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Panasonic S-71WF3E, Service Manual

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261

25.2.15 Indoor Backup Heater OLP Abnormality (- / - / H70)

Malfunction Decision Conditions:

During operation of indoor backup heater, when no power supplies to indoor backup heater or OLP open circuit.

Malfunction Caused:

1.  Faulty power supply connector connection.
2.  Faulty connector connection.
3.  Faulty indoor backup heater overload protector (OLP).
4.  Faulty indoor unit PCB (main).

Abnormality Judgment:

Continue for 60 seconds.

Troubleshooting:

For safety reason and to prevent component breakdown,
always switch off the power before remove and connect the component.

Is the abnormality happened during

operation of indoor backup heater?

Is measured voltage 230Vac?

Is the CN-OLP1 connector

connection normal?

Check the indoor backup heater incoming
AC power supply (2):
- Turn ON power supply (2) & RCCB.
- Measure the AC voltage between RCCB’s

L1 & N1.

- Measure the AC voltage between PCB’s

AC2-L3 & AC2-N2.

Check indoor backup heater OLP
continuity:
- Turn OFF power supply.
- Reset heater 1 OLP.
- Measure the continuity of OLP.

Is there any continuity?

Check the CN-OLP1 connector connection:
- Turn OFF the power.
- Check the connector connection.

No

No

No

No

- Defect in indoor unit PCB (main).
- Replace the indoor unit PCB (main).

- Defect in RCCB.
- Replace RCCB.
- Terminal board assembly

connector poor contact.

- Correct the connection or

replace the indoor unit
PCB (main).

- Connector poor contact.
- Correct the connection.

- Defect in indoor backup

heater OLP.

- Replace indoor backup

heater OLP.

- Defect in indoor unit

PCB (main).

- Replace the indoor unit

PCB (main).

Yes

Yes

Yes

Yes

Use a test pen to push

this button to reset OLP

Multimeter to

measure continuity

Caution

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Summary of Contents for S-71WF3E

Page 1: ...ponents used in this equipment which are important for safety These parts are marked by in the Schematic Diagrams Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY...

Page 2: ... Water Pump 182 14 3 Indoor Unit Safety 185 14 4 Auto Restart Control 185 14 5 Indication Panel 185 14 6 Indoor Back Up Heater Control 186 14 7 Tank Heater Control 188 14 8 Force Heater Mode 189 14 9 Quiet Operation 190 14 10 Sterilization Mode 190 14 11 Outdoor Ambient Thermo OFF Control 191 14 12 Force DHW mode 191 14 13 SMART DHW mode 192 14 14 DHW Capacity Setting 192 14 15 Anti Freeze Control...

Page 3: ...ode 230 23 2 Error Codes Table 232 24 Troubleshooting Guide S 71WF3E 234 24 1 Self Diagnosis Error Code Table 234 24 2 Self Diagnostics Method S 71WF3E 239 25 Troubleshooting Guide CU 2WZ71YBE5 244 25 1 Self Diagnosis Function Outdoor LED Diagnosis Table 244 25 2 Self diagnosis Method 247 26 Disassembly and Assembly Instructions WH ADF0309J3E5CM 290 26 1 To Remove Front Plate and Top Plate 290 26 ...

Page 4: ...u may fall down accidentally 7 Keep plastic bag packaging material away from small children it may cling to nose and mouth and prevent breathing 8 When installing or relocating air conditioner do not let any substance other than the specified refrigerant eg air etc mix into refrigeration cycle piping Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion...

Page 5: ...tion cycle and result in explosion injury etc 24 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage 25 After completion of installation confirm there is no leakage of refrigerant gas It may generate toxic gas when the refrigerant contacts with fire 26 The following check...

Page 6: ...on the air conditioner can cut your fingers When Storing WARNING The appliance shall be stored in a well ventilated area where the room size corresponds to the room area as specified for operation The appliance shall be stored in a room without continuously operating open flames for example an operating gas appliance and ignition sources for example an operating electric heater The appliance shall...

Page 7: ...centage of the lower flammable limit LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 maximum is confirmed Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe work If a leak is susp...

Page 8: ...be checked to confirm no obstruction 9 Before a new refrigerating system is put into service the person responsible for placing the system in operation should ensure that trained and certified operating personnel are instructed on the basis of the instruction manual about the construction supervision operation and maintenance of the refrigerating system as well as the safety measures to be observe...

Page 9: ...so as to minimize the risk of a flammable gas or vapour being present while the work is being performed 2 4 General work area All maintenance staff and others working in the local area shall be instructed and supervised on the nature of work being carried out Avoid working in confined spaces Always ensure away from source at least 2 meter of safety distance or zoning of free space area of at least...

Page 10: ...o the owner of the equipment so all parties are advised Initial safety checks shall include That capacitors are discharged This shall be done in a safe manner to avoid possibility of sparking That no live electrical components and wiring are exposed while charging recovering or purging the system That there is continuity of earth bonding 3 Repairs to sealed components During repairs to sealed comp...

Page 11: ... be adhered to remove refrigerant purge the circuit with inert gas evacuate purge with inert gas open the circuit by cutting or brazing The refrigerant charge shall be recovered into the correct recovery cylinders The system shall be purged with OFN to render the appliance safe remark OFN oxygen free nitrogen type of inert gas This process may need to be repeated several times Compressed air or ox...

Page 12: ...of refrigerant The label shall be dated and signed Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant 11 Recovery When removing refrigerant from a system either for servicing or decommissioning it is recommended good practice that all refrigerants are removed safely When transferring refrigerant into cylinders ensure that only appropriate refrigerant...

Page 13: ...al Pressure Differential kPa 22 3 Noise Level Condition Ambient Water A7W55 Presure Level dB A H L 28 Power Level dB H L 41 Dimension Depth mm 600 Width mm 598 Height mm 1880 Net Weight kg lbs 108 238 Refrigerant Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm inch 12 70 1 2 Water Pipe Diameter Room inch 1 1 4 Shower mm inch 3 4 Water Drain Hose Inner Diameter mm inch 12 00 17 36 Pump Motor Type DC M...

Page 14: ...Pressure Bar 10 Heat Exchanger Material EN 1 4521 Diameter mm 22 Thickness mm 0 8 Surface Area m2 1 8 Total Length m 25 Note In case it is necessary to indicate the air flow volume in I s the value in m3 min shall be multiplied by 16 7 and rounded down the decimal point If the EUROVENT Certified models can be operated under the extra low temperature condition 7 C DB and 8 C WB temperature with rat...

Page 15: ... W X D mm 250 x 1000 x 730 inch 9 27 32 x 39 3 8 x 28 3 4 Net Weight kg lbs 30 66 Piping Connection Refrigerant Gas mm inch O D Ø 12 70 1 2 Flared Type Liquid mm inch O D Ø 6 35 1 4 Flared Type Fan Type Number of Set Sirocco fan 2 Motor Type 10 pole DC motor Rated Output kW 0 165 Fan Speed Hi rpm Cooling 960 Heating 960 Me rpm Cooling 800 Heating 800 Lo rpm Cooling 640 Heating 640 Air heat Exchang...

Page 16: ...on W35 Warmer Average Colder Application Climate Pdesign kW 7 0 7 0 6 0 Tbivalent TOL C 2 2 10 10 15 15 SCOP ns W W 5 69 224 4 00 157 3 61 141 Annual Consumption kWh 1644 3614 4101 Class A A A Medium Temperature Application W55 Warmer Average Colder Application Climate Pdesign kW 6 0 7 0 6 0 Tbivalent TOL C 2 2 7 10 15 15 SCOP ns W W 3 69 145 3 20 125 2 80 109 Annual Consumption kWh 2170 4524 5289...

Page 17: ...pth mm 340 Net Weight kg lbs 82 181 Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm inch 12 70 1 2 Standard Length m ft 5 16 Pipe Length Range 1 room m ft 3 9 8 35 115 Pipe Length Range Max Total Room m ft 70 230 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m 20 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 1 70 Fa...

Page 18: ...actor Power factor means total figure of compressor and outdoor fan motor Condition Cooling Heating Heat Recovery 90 91 91 Power Cord Number of core Length m ft Thermostat Electronic Control Protection Device Electronic Control Note The sound pressure and sound power level is measured with distance 1 0m from the unit and height at 1 5m Test carry out for cooling at ambient 35 C DB and Water Out 7 ...

Page 19: ...parate Quick Menu Guide 2 Back button Returns to the previous screen 3 LCD Display 4 Main Menu button For function setup 5 ON OFF button Starts Stops operation 6 Operation indicator Illuminates during operation blinks during alarm Press centre No glove No pen 2 1 4 5 6 3 Cross key buttons Selects an item Enter button Fixes the selected content Up Down t h g i R t f e L ...

Page 20: ... outdoor unit provides heat to the water tank HEAT TANK The outdoor unit provides heat to the water tank and the system This mode can be selected only when the water tank is installed The direction icons point to the currently active mode Room operation Tank operation Deice operation 2 Operation icons The status of operation is displayed Icon will not display under operation OFF screen whenever op...

Page 21: ...while the display is initializing When initializing screen ends it turns to normal screen When any button is pressed language setting screen appears 1 Scroll with and to select the language 2 Press to confirm the selection Setting the clock 1 h t i w t c e l e S or how to display the time either 24h or am pm format for example 15 00 or 3 00 pm 2 Press to confirm the selection 3 Use and to select y...

Page 22: ... work properly if set wrongly Please consult an authorised dealer To display Main Menu To select menu To confirm the selected content Setting Options Display Default Setting Menu 1 Function setup 1 1 Weekly timer Once the weekly timer is set up User can edit from Quick Menu To set up to 6 patterns of operation on a daily basis Disabled if Force Heater is on Timer setup Select day of the week and s...

Page 23: ...FF 1 5 Tank heater To set the tank heater ON or OFF OFF 1 6 Sterilization To set the auto sterilization ON or OFF ON Do not use the system during sterilization in order to prevent scalding with hot water or overheating of shower Ask an authorised dealer to determine the level of sterilization function field settings according to the local laws and regulations 1 7 DHW mode Domestic Hot Water To set...

Page 24: ...pment 2 2 System information Shows all system information in each area Actual system information of 10 items Inlet Outlet Zone 1 Zone 2 Tank Buffer tank Solar Pool COMP frequency Pump flowrate Select and retrieve 2 3 Error history Refer to Troubleshooting for error codes The most recent error code is displayed at the top Select and retrieve 2 4 Compressor Shows the compressor performance Select an...

Page 25: ...nt date and time Year Month Day Hour Min 3 7 Language Sets the display language for the top screen For Greek please refer to the English version ENGLISH FRANÇAIS DEUTSCH ITALIANO ESPAÑOL DANISH SWEDISH NORWEGIAN POLISH CZECH NEDERLANDS TÜRKÇE SUOMI MAGYAR SLOVENŠČINA HRVATSKI LIETUVI Ų 3 8 Unlock password 4 digit password for all the settings 0000 4 Service contact 4 1 Contact 1 Contact 2 Preset c...

Page 26: ...or signal 6 SG ready control 5 2 Zone Sensor To select the sensors and to select either 1 zone or 2 zone system Zone After selecting 1 or 2 zone system proceed to the selection of room or swimming pool If the swimming pool is selected the temperature must be selected for T temperature between 0 C 10 C Sensor For room thermostat there is a further selection of external or internal 5 3 Heater capaci...

Page 27: ...on will not appear on the display No Yes 5 C Set T for Buffer Tank 5 7 Tank heater Set the internal tank heater delay turn ON after heat pump operation Heater will turn ON only if Backup heater enabled and Tank heater ON condition Internal 1 30 5 8 Bivalent connection To select to enable or disable bivalent connection No Yes To select either auto control pattern or SG ready input control pattern T...

Page 28: ...5 C Set outdoor temperature for turn ON Bivalent connection Yes After selecting the outdoor temperature Control pattern Alternative Parallel Advanced parallel Select advanced parallel for bivalent use of the tanks Control pattern Alternative OFF Option to set external pump either ON or OFF during bivalent operation Set to ON if system is simple bivalent connection Control pattern Advanced parallel...

Page 29: ...OFF during bivalent operation Set to ON if system is simple bivalent connection SG signal Operation pattern Vcc bit1 Vcc bit2 Open Open Heat Pump OFF Boiler OFF Short Open Heat Pump ON Boiler OFF Open Short Heat Pump OFF Boiler ON Short Short Heat Pump ON Boiler ON 5 9 External SW No 5 10 Solar connection The optional PCB connectivity must be selected YES to enable the function If the optional PCB...

Page 30: ...temperature 5 C Set Antifreeze temperature Yes After selecting the tank T ON temperature T OFF temperature After setting the antifreeze temperature 80 C Set Hi limit 5 11 External error signal No 5 12 SG ready No Yes 120 Capacity 1 2 of DHW in Heat in 5 13 External compressor SW No 5 14 Circulation liquid To select whether to circulate water or glycol in the system Water ...

Page 31: ...o use No 5 17 Pump flowrate To set variable flow pump control or fix pump duty control T 5 18 Force DHW To turn on Tank only mode to heat up tank temperature by request priority heating from outdoor unit Under force DHW operation Air to Air unit will stop provide room heating operation Manual 5 19 DHW Defrost Allow system to run defrost by using hot water instead of room unit to provide comfort ro...

Page 32: ...ve X axis 5 C 15 C Y axis 55 C 35 C Input the 4 temperature points 2 on horizontal X axis 2 on vertical Y axis Temperature range X axis 20 C 15 C Y axis See below Temperature range for the Y axis input CU 2WZ71YBE5 20 C 55 C If 2 zone system is selected the 4 temperature points must also be input for Zone 2 Zone 1 and Zone 2 will not appear on the display if only 1 zone system Water temp for heati...

Page 33: ... to Max duty Heater ON OFF Heater ON OFF Outdoor temp for heater ON 0 C Temperature for heater ON Heater ON OFF Delay time for heater ON 0 30 min Delay time for heater to turn on Heater ON OFF Water temperature for heater ON 4 C Setting of water temperature to turn on from water set temperature Heater ON OFF Water temperature for heater OFF 2 C Setting of water temperature to turn off from water s...

Page 34: ... operation in hours and minutes Tank heat up time max 1 00 Maximum time for heating the tank in hours and minutes Tank re heat temp 8 C Set temperature to perform reboil of tank water Sterilization Monday Sterilization may be set for 1 or more days of the week Sun Mon Tue Wed Thu Fri Sat Sterilization Time 12 00 Time of the selected day s of the week to sterilize the tank 0 00 23 59 Sterilization ...

Page 35: ... max duty and operation ON OFF of the pump Flow rate XX X L min Max Duty 0x40 0xFE Pump ON OFF Air Purge 7 2 Dry concrete To dry the concrete floor walls etc during construction Do not use this menu for any other purposes and in period other than during construction Edit to set the temperature of dry concrete ON Edit Edit Stages 1 Temperature 25 C Heating temperature for drying the concrete Select...

Page 36: ...rvice contact To set up to 2 contact names and numbers for the User Service engineer s name and contact number Contact 1 Contact 2 Contact 1 Contact 2 Contact name or number Name phone icon Input name and number Contact name alphabet a z Contact number 1 9 ...

Page 37: ...ate 16 Top Plate 17 Right Plate 18 Left Plate 19 Rear Plate 20 Tank Sensor Not Visible 21 Safety Relief Valve 22 Bushing 4 pieces 23 Main PCB 5 Magnetic Water Filter Set 7 Heater Assembly 8 9 10 3 Way Valve Overload Protector Not Visible Single Phase RCCB ELCB Main Power 6 1 6 2 Single Phase RCCB ELCB Backup Heater Water Pump 2 1 5 4 3 15 17 14 12 7 10 8 21 18 13 2 11 22 23 20 19 16 9 6 1 6 2 ...

Page 38: ...nk e 3 4 16UNF Refrigerant Gas f 7 16 20UNF Refrigerant Liquid g Domestic Hot Water Tank Discharge Drain Tap Type Ball Valve Rc 1 2 h Drain Water Hole i Drain Elbow Model Capacity L Weight kg Empty Full WH ADF0309J3E5CM 185 108 293 Dimension Diagram Tube Position Diagram Adjustable Feet position FRONT VIEW SIDE VIEW 1880 455 66 80 37 37 63 58 70 90 79 75100 526 435 266 597 599 BOTTOM VIEW TOP VIEW...

Page 39: ...1 150 750 P150X5 792 1000 1067 228 250 23 140 23 98 55 60 389 5 145 5 140 55 Unit mm Wired remote control Optional CZ RTC4 120 120 20 Wired remote control Optional CZ RTC5B 120 120 16 Wired remote control Optional CZ RTC6 Series 86 86 25 ...

Page 40: ...40 5 3 CU 2WZ71YBE5 Top View Front View Anchor Bolt Pitch 620 x 380 5 Side View Side View Unit mm 100 mm 100 mm 1000 mm 620 170 36 2 380 5 940 999 36 340 27 5 5 67 7 107 7 74 6 125 2 ...

Page 41: ...SEL PRESSURE GAUGE CAPILLARY TUBE WATER PUMP FILTER S 71WF3E PIPE TEMP SENSOR 2 PIPE TEMP SENSOR 1 INTAKE AIR TEMP SENSOR HEAT EXCHANGER EVAPORATOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING CU 2ZW71YBE5 STRAINER EXPANSION VALVE A EXPANSION VALVE C STRAINER 3 WAY VALVE OUTDOOR TEMP SENSOR PIPE TEMP SENSOR DEF INTAKE TEMP SENSOR HEAT EXCHANGER CONDENSER PIPE TEMP SENSOR PIPE TEMP ...

Page 42: ...NE 2 WATER PUMP ZONE 1 SSR203 SSR202 SSR201 SSR200 SSR1 EXTRA PUMP 3 WAYS VALVE WATER PUMP SC POWER SUPPLY 1 1 phase AC230V 50Hz FUSE1 L ELCB N RY V3 WATER PUMP CIRCUIT NOISE FILTER M M 1 SSR206 M 1 M 1 M 1 M 1 M 1 M 1 SSR205 MIXING VALVE 1 M 1 SSR204 SUB RY HT L3 BACKUP HEATER POWER SUPPLY 2 1 phase AC230V 50Hz L ELCB RCCB N ...

Page 43: ...43 7 2 S 71WF3E 1 FUSE FM SC LM SSR 2 3 ...

Page 44: ...OR CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT REACTOR NTC NTC CRANKCASE HEATER 4 WAY VALVE RY HT PTC SC RY PWR RY AC FUSE 2 NOISE FILTER FUSE 401 NTC TO TANK UNIT A TO DUCT UNIT C 3 1 2 3 OUTDOOR UNIT MS 3 M RY HOT 4 WAY VALVE RY HOT2 1 2 ...

Page 45: ... L3 BLK AC2 N2 WHT AC2 N3 WHT RY HT L3 SW1 SW2 EXTERNAL CONTROL 1 BOILER CONTACT DEFROST SIGNAL EXTRA PUMP RY CONTACT1 t t t t 80 3 C TERMINAL BOARD TERMINAL BOARD GROUNDING TO OUTDOOR UNIT BACKUP HEATER 3kW OLP BOOSTER HEATER ROOM TEMP ZONE 1 OLP 80 3 C CN6 CN4 CN3 SSR1 BL BL BL W L 1 N 1 GROUNDING RCCB ELCB BL W BL BL R W R 3 2 2 1 1 3 4 4 CONTROL PANEL G01 GRN RECTIFICATION CIRCUIT SIGNAL DETEC...

Page 46: ...BLK BL BL G E BR LB or B BL REACTOR 1 1 3 4 7 5 6 BL W 1 3 5 1 3 5 CN076 NANO WHT CN1 WHT CN2 WHT HIGH VOLTAGE POWER SUPPLY NANOE X GENERATOR 1 2 W BL W R W B BL FAN MOTOR W Y B R BL W Y B R BL CN045 BLK SHORT OPEN 1 3 CN309 OP1 YEL 1 3 WIRE COLOR B BLUE O ORANGE BR BROWN R RED G GREEN W WHITE LB LIGHT BLUE Y YELLOW BL BLACK P PINK 1 2 TO INTEGRATED CONTROL SYSTEM 1 2 CN040 OC BLU CN041 RC BLU CN0...

Page 47: ...ON CIRCUIT CN PSW1 WHITE R R FUSE 2 T3 15A L250V W W W W W W W W W W W W W W W W W W W W W W W W W W W W W ELECTRONIC CONTROLLER MAIN HIGH PRESSURE SW FUSE 1 T3 15A L250V MS 3 1 2 UNIT A ELECTRO MAGNETIC COIL EXPANSION VALVE ELECTRO MAGNETIC COIL B EXPANSION VALVE UNIT C ELECTRO MAGNETIC COIL EXPANSION VALVE M M 6 1 CN STM3 BLUE M 4 1 CN TH1 WHITE 2 CN TANK WHITE 1 TANK TEMP SENSOR THERMISTOR HIGH...

Page 48: ... 230V 30A 40A I n 30mA POWER SUPPLY 1 Single phase AC230V 50Hz POWER SUPPLY 2 Single phase AC230V 50Hz L N BL W Y G ELCB 230V 30A I n 30mA R LEAD WIRE FIXING FOR HEATER N OPEN CLOSE N OPEN CLOSE B BL BR 3 WAY VALVE M 1 N OPEN CLOSE 1 2 3 4 CN TH1 CN TH3 12V 5V R166 G2 G2 G2 5V_2 L4 C61 1000p 50V C63 1000p 50V R81 10k R86 10k 5V 20V 5V_2 G6 20V C294 1u 50V G2 G2 5V_2 5V C201 220u 10V C282 220u 10V ...

Page 49: ...8 3k 1 6 R606 R608 5V_ 5V_ R601 R604 C602 R602 2 4k 1 R603 10k 1 R607 10k 1 C605 0 1u C604 C603 C601 0 1u C610 0 1u CN601 RED BLK C609 0 1u C608 0 1u C607 0 1u C606 0 1u FB101 5V_ FB102 R122 3 3k 1 R124 2 7k 1 R121 3 3k 1 1 2 1 2 BL BL BL INDOOR AIR TEMP SENSOR TA t t INDOOR HEAT EXCHANGER TEMP SENSOR E1 INDOOR HEAT EXCHANGER TEMP SENSOR E2 BL 1 2 BL t BL CN104 YEL CN102 RED CN101 BLK 1 2 1 3 Shor...

Page 50: ...CHECK SW W W W W W W W W W W W W W W W W W W W W R370 10k R376 1k R371 10k R372 10k R373 10k R374 10k R375 10k CN DISP1 Natural 1 7 1 14 5V 5V 5V R304 1 2k R305 1 2k R306 1 2k R307 1 2k R308 1 2k R309 1 2k SW1 1 2 3 4 1 2 3 4 SW4 ON OFF 1 2 3 2 1 3 4 SW5 Green LED1 JP1 ON OFF 3 A K A K A K A K A K A K 2 1 Green LED2 Green LED3 Green LED4 Green LED5 Green LED6 SW2 SW3 PRIORITY MODE SW POWER SAVE SW...

Page 51: ...d 10 1 WH ADF0309J3E5CM 10 1 1 Main Printed Circuit Board HT1 L3 CN OLP1 G02 AC2 N2 AC2 N3 AC2 L3 CN PWR CN1 AC1 N AC1 L3 CN PWR4 CN2 G01 L2 L1 CN PWR2 CN PWR3 DATA CN PUMP1 CN FLWSEN CN TH2 CN TH1 CN TH3 CN CNT G03 CN6 CN4 CN3 ...

Page 52: ...52 10 1 2 Sub Printed Circuit Board Optional CN208 CN209 ACL ACN CN201 CN202 CN203 DCN CN PWR202 CN210 CN206 DCP CN207 CN204 CN 205 CN PWR204 CN CNT CN COMM ...

Page 53: ...9 R147 R146 R145 C108 R144 R143 R142 R141 C104 FB150 C103 C102 R330 IC080 TM1 R329 R328 R134 R133 R326 R323 R321 R320 R512 R129 R511 R128 R510 R127 R126 R319 R125 R318 R124 R317 R123 R316 R122 R509 R315 R121 D085 R508 R507 R313 R506 R312 R505 R504 IC060 R503 R502 R501 R119 R118 R117 R115 R114 R308 R307 R110 R109 R108 R106 R104 FB111 R100 FB110 IC041 IC040 D252 VA305 VA301 PC314 VA100 PC308 C097 D0...

Page 54: ...54 10 2 2 nanoeTM X Printed Circuit Board CN2 CN1 ...

Page 55: ...2WZ71YBE5 10 3 1 Main Printed Circuit Board CN HOT1 CN HOT2 CN DISP1 CN DISP2 CN HT CN HPS CN STM1 CN STM2 CN STM3 CN TH1 CN TH2 CN TH5 CN FM1 CN TH4 CN TANK CN DATA1 CN PSW1 CN 101 CN 102 CN DISP3 CN DATA2 CN TH3 ...

Page 56: ...56 10 3 2 Noise Filter Printed Circuit Board CN COM CN DATA CN WHT CN BLK AC1 AC2 10 3 3 Display Printed Circuit Board CN DISP1 CN NMODE1 ...

Page 57: ...Determine the Amin total based on the Total Refrigerant Charge mc from Table II 3 The total floor area of both Aroom and Broom must exceed Amin total C Determine Minimum Venting Opening Area VAmin for natural ventilation 1 From Table III calculate mexcess 2 Then determine VAmin corresponding to the calculated mexcess for natural ventilation between Aroom and Broom 3 The unit can be installed at sp...

Page 58: ...5 93 2 94 9 85 2 26 5 99 2 96 9 98 2 28 6 04 2 98 10 12 2 30 6 09 3 00 10 25 2 32 6 14 3 02 10 39 2 34 6 24 3 04 10 53 2 36 6 34 3 06 10 67 2 38 6 45 3 08 10 81 2 40 6 56 3 10 10 95 2 42 6 67 3 12 11 09 2 44 6 78 3 14 11 23 2 46 6 89 3 16 11 38 2 48 7 01 3 18 11 52 2 50 7 12 3 20 11 67 2 52 7 23 For intermediate mc values the value that corresponds to the higher mc value from the table is consider...

Page 59: ...Z TAW1 and Extension Cable CZ TAW1 CBL Field Supply Accessories Optional No Part Model Specifications Maker i Room thermostat Wired PAW A2W RTWIRED AC230V Wireless PAW A2W RTWIRELESS ii Mixing valve 167032 AC230V Caleffi iii Pump Yonos 25 6 AC230V Wilo iv Buffer tank sensor PAW A2W TSBU v Zone water sensor PAW A2W TSHC vi Zone room sensor PAW A2W TSRT vii Solar sensor PAW A2W TSSO It is recommende...

Page 60: ... in 100 M in 100 11 2 1 2 Transport and Handling Be careful during transportating the unit so that it is not damaged by impact Only remove the packaging material once it has reached it is desired installation location It may need three or more people to carry out the installation work The weight of Tank Unit might cause injury if carried by one person The Tank Unit can be transported either in ver...

Page 61: ...ank Unit is designed for combination with Panasonic Multi Split Heat Pump Outdoor Unit If Outdoor Unit from other manufacturer are being used in combination with Panasonic Tank Unit optimum operation and reliability of the system is not guaranteed Thus warranty cannot be given in such case 1 Connect Tank Unit to Multi Split Heat Pump Outdoor Unit with correct piping size Spanner Torque wrench Mode...

Page 62: ...tand the pressures and temperatures of the system Make sure to use two spanners to tighten the connection Further tighten the nuts with torque wrench in specified torque as stated in the table Cover the pipe end to prevent dirt and dust when inserting it through a wall If non brass metallic piping is used for installation make sure to insulate the pipes to prevent galvanic corrosion Do not connect...

Page 63: ...sly downward direction and in a frost free environment Improper drain piping may cause water leakage hence damage the furnitures If drain hose is long use a metal support fixture along the way to eliminate the wavy pattern of drain tube Guide the drain hose to outdoor as illustrated Illustration of guide drain hose to outdoor Discharge below fixed grating Fixed grating Trapped gulley Possible wall...

Page 64: ... CZ RTC6BLW 1 See below table for cable size requirements Model Connecting Cable Min Cable Size Max Cable Length Tank Unit Outdoor Unit Indoor Unit WH ADF0309J3E5CM CU 2WZ71YBE5 S 71WF3E A 3 x min 1 5 mm2 B 3 x min 4 0 mm2 C 4 x min 4 0 mm2 40 m D 4 x min 1 5 mm2 40 m 2 Refer to Outdoor Installation Manual for detailed connection between Outdoor Unit Indoor Unit 3 For optional accessories refer in...

Page 65: ...nit Outdoor Unit connection Power Supply 2 Cable Power Supply 1 Cable Terminal Board RCCB ELCB 1 1 Connecting Cable Holder Clamper Holder Clamper Terminal screw Tightening torque cN m kgf cm M4 157 196 16 20 M5 196 245 20 25 1 Earth wire must be longer than other cables for safety reasons 11 2 4 3 Wire Stripping and Connecting Requirement Wire stripping 5mm or more gap between wires No loose stran...

Page 66: ... counterclockwise For Space Heating 1 Turn the plug on the Air Purge Valve outlet anticlockwise by one complete turn from fully closed position Air Purge Valve Plug turn anticlockwise by one complete turn 2 Set the Pressure Relief Valve lever DOWN Pressure Relief Valve Pressure Relief Valve Lever Turn down or Pressure Relief Valve Lever Turn down Pressure Relief Valve 3 Start filling water with pr...

Page 67: ...it Else electrical shock may happen Before obtaining access to terminals all supply circuits must be disconnected Push the TEST button on the RCCB ELCB The lever would turn down and indicate 0 if it functions normal Contact authorized dealer if the RCCB ELCB malfunction Turn off the power supply to the Tank Unit If RCCB ELCB functions normal set the lever to ON again after testing finish 11 2 7 In...

Page 68: ...ly Claw 2 places Wall to which the remote controller fixed is Mount the bottom case to the wall Connect the remote control wiring Arrange the wires along the groove of the case For embedded type Preparation Make 2 holes for screws using a driver UP Avoid the wire being caught Mount the top case Align the claws of the top caseandthenaligntheclaws of the bottom case Hole for screw Screw field supply...

Page 69: ...e with lower water flow may trigger H75 during defrost process 11 2 8 2 Reset Overload Protector Overload Protector a serves the safety purpose to prevent the water over heating When the Overload Protector a trip at high water temperature take below steps to reset it 1 Take out the cover 2 Use a test pen to push the centre button gently in order to reset the Overload Protector 3 Fix the cover to t...

Page 70: ...gular intervals to ensure it is not blocked and to remove lime deposit Use a container to collect high volume of discharge water from the discharge hose 11 2 9 3 Maintenance for Safety Relief Valve It is strongly recommended to operate the valve by turn the knob counter clockwise to ensure free water flow through discharge pipe at regular intervals to ensure it is not blocked and to remove lime de...

Page 71: ...tly to the Tank Unit Remote controller is installed on Tank Unit This is the basic form of the most simple system 2 Room Thermostat Outdoor Tank Unit receive Room Thermo signal ON OFF from Remote controller to control HP and circulation pump There is a build in thermistor in the remote controller Floor heating Indoor Setting of remote controller Installer setting System setup Optional PCB connecti...

Page 72: ... remote controller Installer setting System setup Optional PCB connectivity No Zone Sensor Room thermistor Connect floor heating or radiator directly to Tank Unit Remote controller is installed on Tank Unit Install separate external room thermistor specified by Panasonic in the room where floor heating is installed This is an application that uses external room thermistor There are 2 kinds of circ...

Page 73: ...tional PCB CZ NS4P Floor heating Radiator Outdoor Radiator Thermistor 1 Thermistor 2 Buffer tank Pump 2 Pump 1 Mixing valve 1 Indoor Floor heating Setting of remote controller Installer setting System setup Optional PCB connectivity Yes Zone and Sensor 2 Zone system Zone 1 Sensor Water temperature Zone 2 Sensor Room Water temperature Connect floor heating or radiator to 2 circuits through buffer t...

Page 74: ...k sensor on buffer tank It requires connection setting of buffer tank and ΔT temperature setting at heating operation separately This system requires the Optional PCB CZ NS4P Must connect swimming pool to Zone 2 If it is connected to swimming pool operation of pool will stop when Cooling is operated Swimming pool only Thermistor Pump Swimming pool Heat EX Indoor Outdoor Setting of remote controlle...

Page 75: ...erature of both circuits can be set independently However temperature of high temperature side and low temperature side cannot be reversed This system requires the Optional PCB CZ NS4P NOTE Thermistor 1 does not affect operation directly But error happens if it is not installed Please adjust flow rate of zone 1 and zone 2 to be in balance If it is not adjusted correctly it may affects the performa...

Page 76: ... remote controller Installer setting System setup Optional PCB connectivity Yes Bivalent Yes Turn ON outdoor temp Control pattern This is an application that connects the boiler to the Tank Unit to compensate for insufficient capacity by operate boiler when outdoor temperature drops heat pump capacity is insufficient Boiler is connected parallel with heat pump against heating circuit Besides that ...

Page 77: ...shall be connected to 1 pole switch with min 3 0 mm contact gap Its cable must be 2 x min 0 5 mm2 double insulation layer of PVC sheathed or rubber sheathed cable note Switch used shall be CE compliance component Maximum operating current shall be less than 3Arms 5 Room sensor zone 1 cable shall be 2 x min 0 3 mm2 double insulation layer of PVC sheathed or rubber sheathed Power Supply 1 RCCB ELCB ...

Page 78: ...d zone 2 cable shall be 2 x min 0 3 mm2 double insulation layer of PVC sheathed or rubber sheathed cable 10 SG signal cable shall be 3 x min 0 3 mm2 double insulation layer of PVC sheathed or rubber sheathed cable 11 Heat Cool switch cable shall be 2 x min 0 3 mm2 double insulation layer of PVC sheathed or rubber sheathed cable 12 External compressor switch cable shall be 2 x min 0 3 mm2 double in...

Page 79: ...om sensor zone 1 cable Room sensor zone 2 cable Buffer tank sensor cable Pool sensor cable Water sensor zone 1 cable Water sensor zone 2 cable Solar sensor cable SG signal cable External Compressor switch cable Ensure all sensor cables are not touching with Front Panel Guide the wiring inside the unit like below ﬁgure Once all wiring work done tie the cable cord with the banding strap ﬁeld supply ...

Page 80: ...l be 50m or less Outputs 3 way valve AC230V N Neutral Open Close direction For circuit switching when connected to DHW tank Extra pump AC230V Used when Tank Unit pump capacity is insufficient Boiler contact Defrost signal Dry contact System setup necessary Thermistor inputs Zone 1 room sensor PAW A2W TSRT Optional PCB It does not work when using the 11 3 2 5 Connection of Optional PCB CZ NS4P Vcc ...

Page 81: ...or pocket and paste it on the buffer tank surface 40 black brown blue Ø6 Dimensions mm 2 Zone water sensor PAW A2W TSHC Use to detect the water temperature of the control zone Mount it on the water piping by using the stainless steel metal strap and contact paste both are included 93 70 35 Dimensions mm 3 Room sensor PAW A2W TSRT Install the room temperature sensor to the room which requires room ...

Page 82: ... to the CN CNT connector of the Optional PCB Connection examples CN CNT cable Without Optional PCB CN CNT cable With Optional PCB 2 Insert a flat head screwdriver into the slot on the top of the adaptor and remove the cover Connect the other end of the CN CNT cable connector to the connector inside the adaptor Slot Connector 3 On the wall near the Tank Unit attach the adaptor by screwing screws th...

Page 83: ...ating 3 Temp setting Set room temp Compensation curve Set direct water temp Set pool temp 4 Display Heat temp Display current heating temperature it is set temperature when enclosed by line 5 Display tank temp Display current tank temperature it is set temperature when enclosed by line 6 Outdoor temp Display outdoor temp A B C D G F E Name Function A Main screen Display information B Menu Open Clo...

Page 84: ...N ﬁrstly initialization screen appears 10 sec 12 00am Mon When initialization screen ends it turns to normal screen 12 00am Mon When any button is pressed language setting screen appears NOTE If initial setting is not performed it does not go into menu 12 00am Mon When language is set setting screen of time display appears 24h am pm Set time display conﬁrm Date time Hour Min 12 00am Mon 12 00 YY M...

Page 85: ...r setup 8 Bivalent connection Yes No Bivalent setup 9 External SW Yes No 10 Only when the selection for Optional PCB is Yes Solar connection Yes No Tank setup Solar setup 11 Only when the selection for Optional PCB is Yes External Error signal Yes No 12 Only when the selection for Optional PCB is Yes SG ready Yes No Capacity setup 13 Only when the selection for Optional PCB is Yes External Compres...

Page 86: ...temperature for Heater OFF Tank Floor operation time max Max operation time for Heat Cool mode setup 25 Tank heat up time max Max operation time for Tank mode setup 26 Tank re heat temp Tank re heat temp setup 27 Sterilization Sterilization day and temp and time setup 28 Force DHW Temp Force DHW temp setup 29 Service setup Pump maximum speed Pump maximum speed setup Air purge 30 Dry concrete ON Dr...

Page 87: ...al setting Depend on model System setup 12 00am Mon Optional PCB connectivity Zone Sensor Heater capacity Anti freezing Select Conﬁrm If there is built in Heater set the selectable heater capacity NOTE There are models which cannot select heater capacity 4 Anti freezing Initial setting Yes System setup 12 00am Mon Optional PCB connectivity Zone Sensor Heater capacity Anti freezing Select Conﬁrm Op...

Page 88: ...rding to remote controller instruction Boiler icon will be displayed on remote controller top screen After Bivalent connection Set YES there is two option of control pattern to be select SG Ready Auto 1 SG ready Only available to set when optional PCB set to YES SG Ready input from optional PCB terminal control ON OFF of boiler and heat pump as below condition SG signal Operation pattern Vcc bit1 ...

Page 89: ...ler output will be reset to OFF Please have good understanding on the boiler control characteristic in order to select the optimal setting for the system 9 External SW Initial setting No System setup 12 00am Mon Buffer tank connection Tank heater Bivalent connection External SW Select Conﬁrm Able to turn ON OFF the operation by external switch 10 Solar connection Initial setting No System setup 12...

Page 90: ...14 Circulation Liquid Initial setting Water System setup 12 00am Mon Demand control SG ready External compressor SW Circulation liquid Select Conﬁrm Set circulation of heating water There are 2 types of settings water and glycol NOTE Please set glycol when using anti freeze liquid It may cause error if setting is wrong 15 Force Heater Initial setting Manual System setup 12 00am Mon External compre...

Page 91: ...0am Mon Defrost signal Pump ﬂowrate Force DHW DHW Defrost Select Conﬁrm If setting is YES system can run defrost operation by using hot water while other room units in heat mode operation If setting is NO system will not run defrost by using hot water 11 3 3 4 Operation Setup Heat 20 Water temp for heating ON Initial setting compensation curve 35 C 5 C 15 C 55 C Hot water temperature compensation ...

Page 92: ...Heater ON Heater OFF d Heater OFF Tof target Temp Initial setting 2 C Set water temperature for heater to turn off at heat mode Setting range is 8 C 0 C Tank 24 Floor operation time max Initial setting 8h Heat Tank 30min 10h Set max operating hours of heating When max operation time is shortened it can boil the tank more frequently It is a function for Heating Tank operation 25 Tank heat up time m...

Page 93: ...n model Service setup 12 00am Mon Flow rate Max Duty Operation 88 8 L min 0xCE Air Purge Select Normally setting is not necessary Please adjust when need to reduce the pump sound etc Besides that it has Air Purge function When Pump ﬂow setting is Max Duty this duty set is the ﬁx pump duty run during room side operation 30 Dry concrete 30 C 1 2 3 4 5 6 35 C 35 C 40 C 40 C 45 C Stage Operate concret...

Page 94: ... of Custom menu Custom menu 12 00am Mon Back up heater Reset energy monitor Reset operation history Smart DHW Select Conﬁrm Please press for 10 sec Items that can be set Backup heater Use Do not use Backup heater NOTE It is different from to use not to use backup heater set by client When this setting is used heater power on due to protection against frost will be disabled Please use this setting ...

Page 95: ... information included in the Operating Instructions and or Installation Instructions 12 1 1 1 Tools Required for Installation not supplied 1 Flathead screwdriver 2 Phillips head screwdriver 3 Knife or wire stripper 4 Tape measure 5 Carpenter s level 6 Sabre saw or keyhole saw 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer...

Page 96: ...hylene insulation for copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 8 mm 3 Use insulated copper wire for field wiring Wire size varies with the total length of wiring See the section 12 1 4 ELECTRICAL WIRING for details CAUTION Check local electrical codes and regulations before obtaining wire Also check any specified instructions or ...

Page 97: ... the fan blades or heat exchanger select a location where tubing and drain pipe have the shortest run to the outdoor unit allow room for operation and maintenance as well as unrestricted air flow around the unit the limitation of the tubing length between the indoor and the outdoor units should be referred to the Installation Instructions of the outdoor unit allow room for mounting the remote cont...

Page 98: ...m Min 650 200 Min 350 Min 250 Min 20 Min 300 Min 1 800 Min 20 Minimum space for installation and maintenance services It is necessary to make space for the cleaning as well as the maintenance of the drain pan and the heat exchanger Do not put any obstacle not to cause obstructing maintenance or cleaning works If the place where the ceiling material cannot be removed make an opening section below t...

Page 99: ... Refrigerant tubing joint liquid tube b Refrigerant tubing joint gas tube c Upper drain port VP20 ø26 mm 200 mm flexible hose supplied d Bottom drain port VP20 ø26 mm e Suspension lug 4 12 30 mm f Power supply outlet g Fresh air intake port ø100 mm h Flange for flexible air outlet duct i Electrical component box i c d a b g e h 32 5 183 340 183 80 6 150 41 223 5 71 255 25 54 33 5 D C 154 D 33 5 18...

Page 100: ...r side air intake Front side air intake While in heating mode the temperatures may increase higher than the set temperature While in heating mode the temperatures may increase higher than the set temperature 12 1 3 2 2 Install the Filter When not connecting the air intake duct be sure to install the filters Accessories Case A and Case C are shown below Filters Accessories Screws A Type 71 View A M...

Page 101: ... and the support plate removed in step 1 and filters accessories in the direction shown in the figure below B Filters Accessories Screws Cover plate 3 Attach the filters accessories in the manner shown in the figure Securely fix the filters with the screws Filter Attach the filter to the main unit while pushing the tip of the latches in the direction of the arrow View B Main unit ...

Page 102: ... shown in the tables and diagrams under the section 12 1 3 1 Tubing must be laid and connected inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing into position for connection to the unit before placing the unit inside the ceiling 2 Screw in the suspension bolts allowing them to protrude from the ceiling Cut the ceiling material if necessary 3 Thread th...

Page 103: ... weight of the unit Ensure to fix the unit In order to suppress vibrations provide the spacer between the unit and the wall Fasten the hanging brackets and bolts using by the hexagon nuts and washers Check to make sure the unit is installed in a horizontal position by using a level Water leakage may occur if the unit is not installed horizontally ...

Page 104: ...Hard PVC pipe VP20 not supplied 3 After connecting the drain pipe securely wrap the supplied packing and drain pipe insulator around the pipe then secure it with the clampers Packing supplied Drain insulator supplied 130 26 26 Drain insulator supplied Hose band supplied Drain insulator supplied Clampers supplied 12 1 3 4 1 Horizontal Installation Make sure the drain pipe has a downward gradient 1 ...

Page 105: ... Replace the connectors When installing the unit vertically disconnect the connectors of the drain pump 3 pin and the float switch 2 pin from the PCB Float switch connector 2 pin Drain pump connector 3 pin Insert the supplied short circuit connection to the place where the connectors were removed Short circuit connection Accessories 2 pin 2 pin 3 pin 3 pin Pay attention to the type of connector Af...

Page 106: ...ressing the or button Change the Code no to 3F by pressing the or button or keeping it pressed Detailed settings Unit no Code no Set data 1 1 0007 Sel Next 20 30 THU 3F 4 Select the Set data by pressing the or button 0007 or 0000 set at shipment Change the Setting Data 0001 by pressing the or button Then press the button 5 Select the Code no by pressing the or button Change the Code no to 06 by pr...

Page 107: ...tons for the temperature setting buttons and confirm the values or set at shipment 4 Press the buttons for the time to amend the values for the set data Select 5 Press the button The display will stop blinking and remain illuminated 6 Specify the item code by pressing the buttons for the temperature setting buttons and confirm the values set at shipment 7 Press the buttons for the time to amend th...

Page 108: ...tor where the screw is located facing upward Then tighten the insulator with a vinyl tape not to cause the detachment If the tubing parts remain exposed condensation may occur Be sure to use the supplied drain hose If other commercially available hose bands are used the drain hose may become pinched or wrinkled and there is danger of water leakage Therefore be sure to use the supplied hose bands C...

Page 109: ...ng at high speed and could cause injury 4 When the drainage check is complete open the check pin CHK 6P 1 4 and remount the insulator and the cap onto the drain inspection port Water intake Drain inspection port Transparent upper drain port Cap 12 1 3 6 Connecting Duct to Air Intake Port Side 1 Install the duct field supply See the figure for the dimension of the installation hole Use M4 self tapp...

Page 110: ...t be done in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unautho...

Page 111: ...or units Type Connection cable between outdoor and indoor unit G Outdoor Unit CU 2WZ71YBE5 1 5 mm2 F3 Max 40 m Control wiring C Intergrated indoor unit control wiring D Remote control wiring 0 75 mm2 AWG 18 Use shielded wiring 0 75 mm2 Max 1 000 m D Max 500 m The above descriptions can be used for the model CZ RTC4 or CZ RTC5B series For other remote controllers refer to the manual of each unit 1 ...

Page 112: ... wiring sample Use this screw when connecting the shield for the Inter unit control wiring to ground Earth wiring Make the earth wiring 25 30 mm longer than connecting wires to 1 2 3 Remote control wiring Clamper 1 supplied Clamping Clip Integrated control wiring To integrated control system To remote controller 1 2 1 Fasten tightly Connection cable between outdoor and indoor unit To outdoor unit ...

Page 113: ...stallation instructions supplied with the remote controller Optional Auto address setting can be executed by remote controller automatically R1 R2 U1 U2 4P terminal board Remote control wiring 1 2 3 3P terminal board Connection cable between outdoor and indoor unit Type F3 inter unit control wiring CAUTION In he case of 3 line connection connection cable between outdoor and indoor unit shall be ap...

Page 114: ... pressure terminal and replace and tighten the removed terminal screw using a screwdriver Screw and Special washer Ring pressure terminal Terminal board Ring pressure terminal Screw Special washer Wire Wire Examples of shield wires 1 Remove cable coat not to scratch braided shield 2 Unbraid the braided shield carefully and twist the unbraided shield wires tightly together Insulate the shield wires...

Page 115: ...er scraps fall into the tube 3 Remove the flare nut from the unit and be sure to mount it on the copper tube 4 Make a flare at the end of the copper tube with a flare tool Flare nut Copper tubing Flare tool After Before Deburring Copper tubing Reamer When flared joints are reused the flare part shall be re fabricated A good flare should have the following characteristics inside surface is glossy a...

Page 116: ...flare nuts that were supplied with the unit or else flare nuts for R410A R32 type 2 The refrigerant tubing that is used must be of the correct wall thickness as shown in the table at right Because the pressure is approximately 1 6 times higher than conventional refrigerant R22 pressure the use of ordinary flare nuts type 1 or thin walled tubes may result in tube rupture injury or asphyxiation caus...

Page 117: ...oint must be sealed with suitable silicone and insulation material The joint should be sealed on both liquid and gas side Insulation material and silicone sealant Please ensure there are no gaps where moisture can enter the joint Silicone Sealant must be neutral cure and ammonia free Use of silicon containing ammonia can lead to stress corrosion on the joint and cause leakage Taping the flare nuts...

Page 118: ...armoring tape too tightly since this will decrease the heat insulation effect Also ensure that the condensation drain hose splits away from the bundle and drips clear of the unit and the tubing 12 1 5 5 Finishing the Installation After finishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Apply putty here Tubing 1...

Page 119: ... EMG If operation is still not possible after changing the brown connectors cut the jumper on the indoor unit control PCB Be sure to turn the power OFF before performing this work Be sure to set the external static pressure before performing the test run OC CN040 blue EMG CN044 brown Jumper JP040 12 1 8 2 Test Run Procedure Recheck the items to check before the test run Set the remote controller t...

Page 120: ... LINE CONNECTION The displays of the earth is omitted 12 1 8 4 1 Basic connection 1 Single type It is not necessary to make setting of the refrigerant system address When turning on all indoor and outdoor units the auto address will start It takes maximum 10 minutes When the auto address setting is completed wait at least 1 minute and 30 seconds Then start the operation Single type Outdoor unit Re...

Page 121: ...normal stopped status Auto Address Setting from the Remote Controller CZ RTC4 Auto address setting in Cooling mode cannot be done from the remote controller Selecting each refrigerant system individually for auto address setting Auto address setting for each system Item code A1 1 Press the remote controller timer time button and button at the same time Press and hold for 4 seconds or longer 2 Next...

Page 122: ...THU 2 Press the or button to see each menu If you wish to see the next screen instantly press the or button Select 7 Simple settings on the LCD display and press the button 20 30 THU 20 30 THU START CZ RTC5B 3 The Simple settings screen appears on the LCD display Select the Unit no by pressing the or button for changes The initial display is ALL Simple settings Unit no Code no Set data 01 ALL 0001...

Page 123: ... is connected to the remote controller Check that the fan of that indoor unit starts and that air is discharged 5 Press the button again and check the address of each indoor unit in sequence 6 Press the button again to return to normal remote controller mode Number changes to indicate which indoor unit is currently selected Indoor unit address 12 1 8 7 Test Run Using the Remote Controller CZ RTC5B...

Page 124: ... can be performed using the HEAT COOL or FAN operation modes 1 1 4 CZ RTC4 The outdoor units will not operate for approximately 3 minutes after the power is turned ON and after operation is stopped 3 If correct operation is not possible a code is displayed on the remote controller LCD display Regarding the alarm contents see the SUPPLEMENT at the end of this manual 4 After the test run is complete...

Page 125: ... the gas leakage occurs the unit quality not only becomes inferior but affects environment Repair it as quickly as possible Drain Check 9 Has the adhesive been applied to the drain connecting portion resin portion of the indoor unit The resin portion cracks after a few months and it may cause water drain 10 Is there water leakage Since there is a possibility of water drain repair the drain pipe if...

Page 126: ... in the flow chart within the dotted lines and then make the setting accordingly a No setting modification Use as is at shipment there are cases in which the setting may differ from the shipment setting when reset after once setting the external static pressure b Manual setting set with the indoor unit control PCB For high static pressure Switching method with the short circuit connector c Manual ...

Page 127: ... 10 3 Auto airflow volume control operations Note 4 See the section 12 1 10 2 or 12 1 10 3 Operation checks for external static pressure settings Note 2 See the section 12 1 10 2 or 12 1 10 3 Check if the setting is within the range of use on the PQ diagram If out of range adjust until it becomes within the range of use In the case of identical setup it is possible to omit this operation check if ...

Page 128: ...e for use and then make the setting Failure to observe this may result in insufficient airflow or water leakages See Page 303 for the external static pressure setting range There are cases in which automatic variable dampers and other mounted items may trigger the P12 alarm on systems that modify the external static pressure when the auto airflow volume control operations or setting check operatio...

Page 129: ...oor unit control PCB Fig 10 1 3 Change the dip switch SW001 of the indoor unit control PCB according to the setting selected in Table 10 1 Table 10 1 External static pressure of the rated airflow volume DIP switch 10 Pa TP6 TP3 TP1 1 2 3 1 2 3 1 2 3 ON 50 Pa ON TP6 TP3 TP1 110 Pa ON TP6 TP3 TP1 TP6 TP3 TP1 1 ON 23 TP6 TP3 TP1 1 2 3 SW001 Indoor unit control PCB Setting example 1 OFF 2 OFF 3 ON ON ...

Page 130: ...ode no by pressing the or button Change the Code no to B0 by pressing the or button or keeping it pressed Detailed settings Unit no Code no Set data 1 1 001 Sel Next 20 30 THU B0 4 Select the Set data by pressing the or button Select one of the Set data among 0001 0010 according to the desired external static pressure setting by pressing the or button Then press the button See the table below When...

Page 131: ...u wish to see the next screen instantly press the or button Select 4 Test run on the LCD display and press the button 20 30 THU The Test run screen appears on the LCD display Confirm Test run Change 20 30 THU Test run OFF Change the display from OFF to ON by pressing the or button Then press the button Confirm Test run Change 20 30 THU Test run ON The Maintenance func screen appears on the LCD dis...

Page 132: ...o item code and detailed data will blink on the LCD display 2 The indoor unit numbers in the group control will be sequentially displayed whenever the Unit Select button is pressed Only the fan motor for the selected indoor unit will operate during this time 3 Specify the item code by pressing the buttons for the temperature setting buttons and confirm the values set at shipment 4 Press the button...

Page 133: ...etting check operations will not be performed unless the above settings are made 4 The fan motor will be activated and auto airflow volume control operations or external static pressure setting check operations will be started The power of the airflow will change while these operations are in progress The external static pressure setting check operations and auto airflow volume control operations ...

Page 134: ...aned at regular intervals or when the filter indication on the display of the remote controller wired type shows that the filter needs cleaning If the filter gets blocked the efficiency of the air conditioner drops greatly Type F3 Period 2 weeks After Cleaning 1 After the air ﬁlter is cleaned reinstall it in its original position Be sure to reinstall in reverse order 2 In the case of Timer Remote ...

Page 135: ...oor unit to see if the air outlet or air intake is clogged with dirt or soot The internal coil and other components must also be cleaned periodically Consult your dealer or service center Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry...

Page 136: ...ts Cleaning is necessary because unit inside heat exchanger is dirty Consult your dealer as technical engineering is required During defrost operation Fan is rotating for a while even though operation stops Fan rotating makes operation smoothly Fan may sometimes rotate because of drying heat exchanger due to settings Fan may sometimes rotate in internal cleaning operation mode for a while Dust Dus...

Page 137: ...TC6 Medium CZ RTC4 CZ RTC5B CZ RTC6 Low CZ RTC4 CZ RTC5B CZ RTC6 If your air conditioner still does not work properly although you checked the points as described above first stop the operation and turn off the power switch Then contact your dealer and report the serial number and symptom Never repair your air conditioner by yourself since it is very dangerous for you to do so Tips for Energy Savi...

Page 138: ...st 1 8 m Horizontal Installation Vertical Installation Table I Maximum refrigerant charge allowed in a room Vertical Installation Horizontal Installation Aroom m2 Maximum refrigerant charge in a room mmax kg Aroom m2 Maximum refrigerant charge in a room mmax kg Aroom m2 Maximum refrigerant charge in a room mmax kg H 0 6m H 0 6m H 1 8m H 2 0m H 2 2m 49 2 40 69 2 85 1 0 41 0 46 0 51 50 2 42 70 2 87 ...

Page 139: ...6 39 71 5 21 4 69 4 26 2 86 69 62 7 74 6 27 5 65 2 18 40 45 5 26 4 73 4 30 2 88 70 59 7 84 6 35 5 69 2 20 41 19 5 31 4 78 4 34 2 90 71 58 7 95 6 44 5 73 2 22 41 94 5 36 4 82 4 38 2 92 72 57 8 06 6 53 5 76 2 24 42 70 5 40 4 86 4 42 2 94 73 56 8 17 6 62 5 80 2 26 43 47 5 45 4 91 4 46 2 96 74 57 8 29 6 71 5 84 2 28 44 24 5 50 4 95 4 50 2 98 75 58 8 40 6 80 5 88 2 30 45 02 5 55 4 99 4 54 3 00 76 60 8 ...

Page 140: ...indoor unit control PCB In the case of the fuse opened on an indoor unit control PCB after correcting wiring connection it substitutes an EMG plug for OC plug Standby lamp blinking Faulty indoor unit control PCB Faulty outdoor unit control PCB Communication circuit fuse F302 on indoor unit control PCB opened Fuse on outdoor unit control PCB opened Since failure of an outdoor fan motor is considere...

Page 141: ... unit panel Correct the wiring connection P10 Timer and standby lamp blinking alternately Faulty drain pump Repair Replace Drainage failure Correct Contact failure of ﬂoat switch wiring Correct the wiring Float switch High water alarm For vertical installation set the detailed settings Code No 3F to 0001 See pages 108 to 109 P11 Faulty drain pump Repair Replace Drain pump locked Remove the cause P...

Page 142: ...emperature sensor C2 Check the outdoor unit control PCB F08 Operating and timer lamp blinking alternately Outdoor air temperature sensor TO trouble Check the outdoor air temperature sensor TO Check the outdoor unit control PCB F12 Compressor suction temperature sensor TS trouble Check the compressor suction temperature sensor TS Check the outdoor unit control PCB F16 High Pressure Sensor Trouble C...

Page 143: ...upply trouble Check the power supply Check the reactor wiring Check the outdoor unit control PCB Check the compressor wiring P07 HIC IPM temperature trouble Check the outdoor unit control PCB Check the HIC Compressor locked Valve blockage P13 Timer and standby lamp blinking alternately Valve error Refrigerant circuit error Wrong installation for refrigerant piping and wiring Valve blockage Check t...

Page 144: ...d Install vertically against the floor When installing more than 1 remote controller next to each other keep distance of 5 mm on the right and left and 50 mm on top and bottom Avoid the following locations for installation o By the window etc exposed to direct sunlight or direct air o In the shadow or backside of objects deviated from the room airflow o Location where condensation occurs The remot...

Page 145: ...e beginning You must ensure that installation complies with relevant rules and regulations Be careful not to connect cables to other teminals of indoor units e g power source wiring teminal Malfunction may occur Do not bundle together with the power source wiring or store in the same metal tube Operation error may occur If noise is induced to the unit power supply attach a noise filter Wiring as s...

Page 146: ...se o Do not over tighten the screws The bottom case may be deformed resulting in fall of the unit Connecting the remote control wiring o Arrange the wires as shown in the illustration for in step 2 and avoiding unnecessary wires being stored in the case o Avoid the wires touching parts on the PCB o Avoid the wires coming in contact with the metallic object protruded from the PCB Caught wires may d...

Page 147: ... the case Avoid the wire being caught Mount the top case Align the claws of the top case and then align the claws of the bottom case Embedded type Claw 2 places Screw supplied Hole for screw Claw 2 places Terminal board Bottom case Back side Top case Back side 50 mm 6 mm Make 2 holes for screws using a driver Mount the bottom case to the wall Pass the wire through the hole in the centre of the bot...

Page 148: ... RC 33 Temperature display setting C F Test operation Turn on the circuit breaker beforehand referring to the operating instructions for the unit The remote controller starts 1 Press and hold for several seconds TEST display appears The unit enters the test operation mode 2 Press Perform the test operation TEST is display during the test operation 3 Press Finish the test operation TEST display dis...

Page 149: ...tically against the floor When installing more than 1 remote controller next to each other keep distance of 5 mm on the right and left and 50 mm on top and bottom Avoid the following locations for installation o By the window etc exposed to direct sunlight or direct air o In the shadow or backside of objects deviated from the room airflow o Location where condensation occurs The remote controller ...

Page 150: ...t rules and regulations Be careful not to connect cables to other terminals of indoor units e g power source wiring terminal Malfunction may occur Do not bundle together with the power source wiring or store in the same metal tube Operation error may occur If noise is induced to the unit power supply attach a noise filter Wiring as shown below is prohibited 1 2 1 2 1 2 RC main Indoor unit Indoor u...

Page 151: ... wires touching parts on the PCB Caught wires may destroy the PCB 2 Mount the wall Exposed type Preparation Make 2 holes for screws using a driver 2 1 3 Mount the top case Align the claws of the top case and then align the claws of the bottom case Mount the bottom case to the wall Cut here with a nipper and remove the burr with a file Claw 2 places Screw Supplied Hole for screw Claw 2 places Wall ...

Page 152: ...the claws of the bottom case Avoid the wire being caught Claw 2 places Screw Supplied Hole for screw Claw 2 places Mount the bottom case to the wall Pass the wire through the hole in the centre of the bottom case Remote controller terminal board Remove the coating Approx 6 mm Make sure the wiring connection is in the correct direction Bottom case Back side Top case Back side ...

Page 153: ...vious screen Press Language Clock Controller name 1 Press 2 Select Initial settings 3 Select the item to set Language 4 Set Default setting English Clock 4 Set Repeat Controller name 4 Set Repeat the same procedure for all characters Up to 16 characters Space is included in the number of characters To change the character type Select the character type with and press To delete 1 character Select B...

Page 154: ...ers Up to 16 characters Space is included in the number of characters To change the character type Select the character type with and press To delete 1 character Select BS with and press To enter space Select Space with and press 5 Select Conf 6 Select on the screen for step 3 Contact number Up to 16 characters Space is included in the number of characters 7 Repeat the same procedure for all chara...

Page 155: ...ta Repeat Indoor unit number Set data Code no 4 Press After Selecting YES the unit restarts Code no Set data 31 Vent output setting Set this when connecting a commercially sold fan etc to the ventilation fan output FAN DRIVE 2P White on the indoor control board Dedicated cables optional are required 32 Temp sensor setting Set this when measuring the room temperature with the room temperature senso...

Page 156: ... for outdoor units Power supply voltage Setting value 380 V 220 V 400 V 230 V 415 V 240 V Set Auto address after all units are turned on and 90 seconds or more have passed Operate the units after Auto address is set and 90 seconds or more have passed Set the power supply voltage of outdoor units to calculate electric consumption of the Power consumption monitor If the setting differs from the powe...

Page 157: ...temperature of the remote controller indoor units 3 Select Select the unit number 4 Confirm the content Pressing will return to the Maintenance func screen Service check This displays the alarm history 3 Confirm the content Information of 4 errors is displayed shows that no error has occurred Pressing will return to the Maintenance func screen To delete the error history press and select YES ...

Page 158: ...n step 3 TEST display disappears The test operation can be performed in Heat or Cool mode Temperature cannot be changed The test operation mode is automatically turned off in 60 minutes To prevent continuous test operation Outdoor units do not operate for approx 3 minutes after the power is turned on or operation is stopped Attention Do not use this mode for purposes other than the test operation ...

Page 159: ... Floor 12 2 3 2 Remote Control Wiring Wiring diagram 1 2 R1 R2 Type of wiring o Use cables of 0 75 to 1 25 mm2 Total wire length 500 m or less The wire length between indoor units should be 200 m or less Number of connectable units o Remote controller Max 2 o Indoor unit Max 8 Attention Use the field supplied RC wiring with at least 1 mm in thickness of insulation part including the sheath Wiring ...

Page 160: ...for Main sub for Setting When using the remote controllers in combination set the CZ RTC6 unit to Sub CZ RTC5B Note Remote controllers can be connected to any indoor unit for operation 12 2 3 3 Mounting 1 Remove the top case Insert the screwdriver to the bottom case Insert the flat blade screwdriver to the claws as show in the figure Push the flat blade screwdriver in Push down the flat blade scre...

Page 161: ... case may be deformed resulting in the unit becoming detached from the surface it is fixed to Connection to the remote controller terminal board Depress the push button using a round bar or finger insert the remote control wiring securely from the wiring insertion slot and release the push button Pull the remote control wiring lightly and confirm it is secured There is the danger of shorting if co...

Page 162: ...162 12 2 3 5 Embedded Type A protective film is attached on the Control panel ...

Page 163: ... Ventilation Use this button when you installed a fan available in the market Pressing this button turns on and off the fan When turning off the air conditioner the fan will be also turned off 8 Filter reset Use this button to reset the filter sign When is displayed press this button after cleaning the filter 9 Timer setting buttons 10 Remote control sensor Normally the temperature sensor of the i...

Page 164: ...gy saving Normal operation Menu button Displays the menu screen LCD screen 20 30 28 g n i t a r e p o n e h W d e p p o t s n e h W Start Stop button Starts Stops operation Enter button Fixes the selected content Up Down buttons Selects an item Menu button When pressed while stopped the menu screen is displayed When pressed repeatedly during operation this shows operating status confirmation set t...

Page 165: ...e 4 core Not included in the unit 4 0mm2 or more 3 core Not included in the unit Outdoor unit power supply Single phase 230V 50Hz 30A switch circuit breaker included in tank unit Power supply cable from outdoor unit to duct unit Port C 1 5mm2 or more 4 core Not included in the unit Maximum pipe length 35m Unit A Maximum pipe length 35m Total Maximum pipe length 70m ...

Page 166: ...ou should purchase Note Respective indoor unit installation procedure shall refer to instruction manual provided in the indoor unit packaging It is advisable to avoid more than 2 blockage directions For better ventilation multiple outdoor installation please consult authorized dealer specialist Refrigerant Amount and Allowable Piping Length Outdoor Unit CU 2WZ71 Pre charged refrigerant 2 4 kg Maxi...

Page 167: ...Indoor Outdoor Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø10 mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails A B C D Model A B C D CU 2WZ71 620 mm 170 mm 20 mm 380 5 mm 13 4 Connect The Piping Remove the cabinet side plate metal from the unit by loose...

Page 168: ...iping connection A for Tank unit Piping connection C for Duct unit Spanner or Wrench Torque wrench Be sure to use two spanners to tighten If the nuts are overtightened it may cause the ﬂares to break or leak ...

Page 169: ... no extra refrigerant in the outdoor unit for air purging Air evacuation and tightness test shall be carried out separately for Tank unit and Duct unit piping connection with respective 3 way valve shown below Liquid Gas 3 way valve for Tank unit Gas Liquid 3 way valve for Duct unit Additional gas charging shall be carried out only in cooling mode of Duct unit and Tank unit must be in off conditio...

Page 170: ... of the system 8 If there is any pressure drop perform step 9 12 If there is no pressure drop perform step 13 9 Use Gas Leak Detector to check for leaks Must use the detection equipment with a sensitivity of 5 grams per year of test gas or better 10 Move the probe along the air conditioning system to check for leaks and mark for repair 11 Any leak detected and marked shall be repaired 12 After rep...

Page 171: ...tdoor unit UNIT A UNITC 4 Secure the cable onto the control board with the cable clamper 5 Attach the particular plate back to the original position with scew 6 For wire stripping and connection requirement refer to the diagram below 7 Secure the power supply cord and connecting cables onto the control board with the holder 8 Attach the control board cover back to the original position with screw ...

Page 172: ...r freezes and the fan will not rotate 13 7 2 Pump Down Operation Operate the pump down according to the following procedures 1 Conﬁrm all the 4pcs of 3 way valve on liquid and gas side are open 2 Connect pressure gauge to gas side of 3 way valve for Duct unit recommended 3 Press PUMP DOWN switch SW1 on the display printed circuit board for more than 5 seconds Pump down cooling operation is perform...

Page 173: ...sure to install a new piping Heat insulation is not provided for either liquid side or gas side piping or both The existing refrigerant pipe has been left in an open condition The diameter and thickness of the existing refrigerant piping does not meet the requirement The piping length and elevation does not meet the requirement Perform proper pump down before reuse piping In the circumstances list...

Page 174: ...ously whenever the electrical power is supplied to the unit 14 1 2 Heating Operation 14 1 2 1 Thermostat Control Compressor is OFF when Water Outlet Temperature Internal Water Setting Temperature 2 C for continuously 3 minutes Compressor is ON after waiting for 3 minutes if the Water Outlet Temperature Water Inlet Temperature temperature at thermostat OFF is triggered 3 C 14 1 2 2 Thermostat Contr...

Page 175: ...ift temperature value is depend on the room sensor selection at remote controller as below table B Shift Temp B shift value depend on the room sensor selection at remocon as table below Sensor selection Water temperature B 0 External Room thermostat B 0 Internal Room thermostat Room Thermistor Heat Mode B 0 when Zone OFF or Zone Room Thermo OFF B follow Heating Room Temperature PI control logic Ma...

Page 176: ...perature at Extension System Optional PCB is connected Target water temperature is calculated as below Heat Mode o Target water temperature setting o Max 55 C Min 20 C When buffer tank selection is YES Target water temperature Target buffer tank temperature 2 C When buffer tank selection is NO o If both zone 1 and zone 2 is active Target Water Temperature Higher zone target water temperature of Zo...

Page 177: ...rature B 0 External Room thermostat B 0 Internal Room thermostat Room Thermistor Heat Mode B 0 when Zone OFF or Zone Room Thermo OFF B follow Heating Room Temperature PI control logic Pool Function Selected B Delta value setting from remocon B 0 regardless of which sensor selection if SHP control bit is enable except Pool function select maintain Pool B value Pool function also can be select at Zo...

Page 178: ...Room Thermistor Heat Mode B 0 when Zone OFF or Zone Room Thermo OFF B follow Heating Room Temperature PI control logic Pool Function Selected B Delta value setting from remocon B 0 regardless of which sensor selection if SHP control bit is enable except Pool function select maintain Pool B value Pool function also can be select at Zone 2 when optional PCB is connected and Zone 2 system is select M...

Page 179: ...mostat There will be no zone sensor connected to zone 1 No zone sensor error mixing valve and zone pump will not operate o 2 zone system select Each zone room temperature is control by each sensor which select from either one of the 4 room sensor Target Zone 1 2 Water Temperature is calculated based on selected temperature control type Compensation or Direct and selected room sensor Zone Mixing Va...

Page 180: ...chever lower When tank thermo ON water pump will ON for 3 minutes then only heat pump turn ON Tank water set temperature tank set temperature or 51 C whichever lower 2 ways valve close Heat pump Thermostat Characteristic o Heat pump Water Outlet set temperature is set to below table Outdoor ambient temperature Heat pump target water outlet temperature 5 C 53 C 5 C 56 C Characteristic of heat pump ...

Page 181: ...up heater is enable Internal heater turn ON condition Tank temperature tank set temperature AND Tank Thermo ON for the Remote Control Set timer AND 20 minutes from previous heater off AND Internal tank heater selects USE from control panel Internal heater turn OFF condition Tank temperature tank set temperature for continuously 15 seconds OR Mode change or operation is off by control panel 14 1 7 ...

Page 182: ... and restart delay after 3 minutes The system will start checking on the water flow level after operation start If water flow level is detected low continuously 160 seconds the water pump and the compressor will be OFF permanently and OFF ON control panel LED will blink H62 error occurs When error happens the power has to be reset to clear the error If there is no error indication the water pump s...

Page 183: ... pump install at each zone to circulate the water inside each zone during buffer tank connection selected YES or 2 zone systems Content AC type water pump install for this zone water pump control When optional PCB connected 230V output will drive this zone pump There are three pump can be connected through Optional PCB Zone 1 Pump Zone 2 Pump Pool Pump Zone 1 pump P1 use to circulate zone 1 water ...

Page 184: ... Freeze Zone pump control during Zone Anti Freeze Control When Zone Anti Freeze Flag 1 Zone Pump Turn ON When Zone Anti Freeze Flag 0 Zone Pump Turn OFF Zone pump control during Indoor Anti Freeze Control Zone pump only ON OFF if the Extension PCB connected and Buffer Tank select NO condition When Indoor Anti Freeze flag 1 Zone Pump Turn ON When Indoor Anti Freeze flag 0 Zone Pump Turn OFF Pool Wa...

Page 185: ...ontinuously 10 seconds the water pump will be OFF immediately 3 After water pump OFF for more than 10 minutes it will be ON back and the indoor unit safety control checking is restarted YES YES YES NO to normal mode 10s Flow SW ON Pump ON Pump OFF 10 mins Water In 80 C for 10s 14 4 Auto Restart Control 1 When the power supply is cut off during the operation of Air to Water Heatpump the compressor ...

Page 186: ...r Stop Condition a When outdoor set temperature outdoor set temperature 2 C for continuous 15 secs OR b When water out temp water set temperature Remote Control Heater OFF Setting for continuous 15 secs OR c Heater switch is Off OR d Heatpump thermo off or OFF condition 2 Force Heater Mode o Heater On condition a After water pump operate 3 mins b When water outlet temperature water set temperature...

Page 187: ... heater capacity selection and stop together if stop condition is fulfilled If the heater is request to turn ON OLP feedback will be detected Starting conditions 1 During normal deice operation 4 9 2 Water outlet temperature 10 C or 3 Outdoor air temperature 10 C or 4 Water inlet temperature 27 C Heater operates When 1 and 2 4 is fulfilled However this control does not relate to Heater ON OFF butt...

Page 188: ...eater Control at Tank Mode Internal heater turn ON condition 1 Internal Heater select for Tank heater by remote controller 2 Tank Heater select ON by user 3 Backup Heater Enable 4 Tank Temperature Tank Set Temperature 5 Tank Thermo ON for remote controller set timer 6 20 minutes from previous heater off Room heater turn OFF condition 1 Tank Temperature Tank Set Temperature 0 C for continuous 15 se...

Page 189: ...r operation according to below mode condition Heat mode Only Turn ON backup heater to achieve room heat pump target water temperature Heat Tank mode Turn ON backup heater to heat up room OR Turn ON Heater to Boil up tank water Tank mode Only Operate pump and internal Heater OR External heater to Boil up tank water For heat mode condition backup heater will only turn ON if the backup heater is enab...

Page 190: ...iet function is select the remote control will transmit the signal to indoor and outdoor unit Start condition Quiet mode is set on remote control Quiet mode is request ON by weekly timer Stop condition If any of below condition is achieve OFF ON button is pressed Quiet mode is OFF by remote control Quiet mode is request OFF by weekly timer 14 10 Sterilization Mode Purpose o To sterilize water tank...

Page 191: ...election when user want to use hot water now user can press this force DHW mode under the quick menu to operate tank only mode to boil up the tank temperature For Auto selection when tank temperature drop below the remote controller set temperature Force DHW request will auto turn ON to operate tank only mode Remocon setting Force DHW function can be activate manually under quick menu or set auto ...

Page 192: ...N Reheat when tank temperature below tank set temperature R C Tank re heat Temperature 3 C Condition 2 Tank Heater OFF Reheat when tank temperature below Tank set temperature or 51 C Whichever lower R C Tank re heat Temperature 3 C SMART DHW start time stop time and SMART ON Temperature can change in CUSTOM menu STANDARD DHW Mode Heat pump always reheat the tank water when tank temperature as belo...

Page 193: ...e shift to back up heater anti freeze control However if flow switch is abnormal H62 then water pump circulation anti freeze control will not activate 3 Back up heater anti freeze control Back up heater turn ON when ALL below conditions is fulfilled o Water inlet outlet temp 6 C o Water pump circulation anti freeze control activated and water pump ON for 4 minutes Back up heater turns OFF when ANY...

Page 194: ... to alert on the high water temperature may flow to the zone circuit or DHW piping circuit Therefore pipe which withstand higher water temperature need to be installed Solar remote control setting 1 Solar Setting can only be set when the optional PCB connection is select YES 2 By remote controller Setting as below list can be set for solar function operation Installer Menu o Solar Function YES or ...

Page 195: ...l not able to function o During Solar Panel sensor detect OPEN not include SHORT Solar operation will not able to function too 14 17 Boiler Bivalent Control Boiler is an additional or alternative heat source to heat up the room when necessary Purpose of this control is to turn ON and turn OFF the Boiler output signal when boiler heating capacity needed in the system Boiler is possible to connect t...

Page 196: ...t control default SG ready function will change to control bivalent output o Remote controller can set the External Pump ON OFF like bivalent alternative mode Control Content Indoor will follow the SG ready bit input to control ON OFF heat pump and boiler 00 Heat pump OFF Boiler OFF 01 Heat pump ON Boiler OFF 10 Heat pump OFF Boiler ON 11 Heat pump ON Boiler External pump will turn ON when the ext...

Page 197: ...1 Better room temperature control to fulfill different temperature request by external room thermostat Recommended external room thermostat Maker Characteristic Siemen REV200 Touch panel Siemen RAA20 Analog Connection of external room thermostat Wire Connection and thermo characteristic of Siemen REV200 Setting L L1 H Heat Thermo L L2 C Cool Thermo Set Temp Actual Temp Open Circuit OFF Short Circu...

Page 198: ... feedback 14 19 Three Ways Valve Control Purpose 3 ways valve is used to change flow direction of hot water from heat pump between heating side and tank side Control contents 1 3 ways valve switch Off o During 3 ways valve switch Off time the hot water will provide heat capacity to heating side 2 3 ways valve switch On o During 3 ways valve switch On time the hot water will provide heat capacity t...

Page 199: ...tion select YES from remocon installer menu Heating or Cooling system will operate normally if the External Switch signal is ON Once the External Switch turn OFF System Turn OFF Heat pump water pump heater etc Remocon LED remain ON or OFF according to the current operation request Pop up menu at remocon main screen as above screen to inform customer system stop by External Switch It is possible to...

Page 200: ...pump Indoor water pump Heater Booster heater Backup Heater need to turn OFF o Solar Boiler and zone control can be operate follow normal control condition pump delay OFF also included in this control There is NO pop up screen like External Switch when this External Compressor Switch is OFF Heater ON OFF function Purpose Heater ON OFF function is use to turn OFF the heater backup heater booster hea...

Page 201: ... Solar control and Boiler back up and 2 Zone control can activate While digital input is detected 10 Capacity 1 o Target temperature for heating and DHW Tank is changed according to the percentage set by Remote control setting However which setting temperature is change depend on system setting o Target water temperature of cooling is changed according to the adjustment value set by remocon settin...

Page 202: ... Temperature Tank Set Temperature Remote Control setting for DHW Capacity 2 Max regulation depends on the tank max setting limit If Buffer selection is NO Room side New Target Zone Water Temperature Current Target Zone Water Temperature Remote Control Setting Capacity 2 Zone 1 and Zone 2 will change according to it s own target zone water temperature Max regulation depend on the temperature contro...

Page 203: ...p Target Water Temperature o After complete day 1 setup operation day 2 data will be send to indoor at 12 00am on the second day o Each preset data will be send every day until dry concrete mode is complete unit will turns OFF and exit dry concrete function o 3 ways valve and booster heater will turn OFF and 2 ways valve will turns ON Cancel condition o Dry concrete mode is complete and OFF signal...

Page 204: ... Fan Control 1 min 1 min Setting Speed Indoor Pipe Temperature Compressor Outdoor Unit Fan Indoor Unit Fan Remarks Remaining Heat Removal Freezing Prevention OFF ON OFF ON OFF ON OFF ON OFF 15 2 Dry Mode Operation Soft Dry Operation can be set using remote control Soft Dry operation is applied to dehumidify the room When operation begins the fan speed is control as follows 15 2 1 S 71WF3E 3 5 0 5 ...

Page 205: ...peed set by remote control Auto Fan Speed When operation start or shifting to thermostat ON condition from thermostat OFF condition indoor fan operates as below 1 The indoor fan speed is controlled as shown below during the automatic fan speed 2 The fan speed does not change for 3 minutes during cooling operation once it is changed Cooling Set temp 3 2 1 T deg Indoor fan speed Hi Hi Me Lo Me 15 4 ...

Page 206: ...tion nanoeTM X system disabled when fan speed 430 rpm o During nanoeTM X individual operation fan speed follow remote control setting Auto Fan Speed for nanoeTM X individual operation is cooling medium fan Airflow direction control o During any operation mode combines with nanoeTM X operation airflow direction follows respective operation mode o During nanoeTM X individual operation Air Swing foll...

Page 207: ...ambient temperature is low Control start conditions o Cooling operation is activated with compressor ON o Outdoor ambient temperature is less than 15 C Control contents o When the above conditions are fulfilled based on outdoor pipe temperature the outdoor fan motor will operate according to figure below To improve the judgment accuracy during annual cooling control outdoor ambient temperature sam...

Page 208: ...ation o Not during starting control o During cool mode o Not in Heat Recovery mode All conditions above are satisfied and function selection enable Control Contents Compressor frequency and outdoor fan speed maximum limit is set Adjust accordingly Cancel Condition o Indoor fan speed is equal or higher than Lo fan o 1 operation indoor unit o In any cooling overload zone o During annual cooling o In...

Page 209: ...f the follow conditions o When the powerful operation is OFF for all indoor units o When annual cooling control activated o When freeze dew prevention control is activated 16 2 3 Heating Quiet Operation Provide Quiet heating operation when only 1 room 1 tank in operation Starting Condition Indoor fan speed is lower than low fan only available for room indoor Quiet mode signal Level 1 2 3 is set on...

Page 210: ...n another room o The priority is given to heating operation if the heating mode is selected first In another room where cooling mode is selected afterward the POWER LED blinks to indicate the cooling operation is in standby condition where the fan is stopped hence no discharged air Operation mode priority control o The operation mode designated first by the indoor unit has priority o If the priori...

Page 211: ...it is set at Heating operation and it is not in Force DHW mode Outdoor temperature is higher than 5ºC If outdoor temperature is lower than 5ºC the water inlet temperature has to be lower than 40ºC Not in starting control Operation content Bi Heating mode is carried out 17 2 3 Mode Change When the combination of operation setting is changed the mode is changed from one to another If the mode change...

Page 212: ...otection Control for Heating Operation 18 1 1 Force Defrost Operation Force defrost can be set through remote control If force defrost request from quick menu of remote control outdoor will run force defrost at heat mode if fulfilled certain condition ...

Page 213: ...d dew prevention signal from indoor unit which according to indoor intake temperature and indoor heat exchanger temperature the compressor frequency changes 19 3 Electronic Parts Temperature Rise Protection 1 Cool This control prevents electronic parts temperature rise during cooling overload condition Start conditions o Outdoor ambient temperature is at protection region as shown in figure below ...

Page 214: ...ssor frequency restriction during heating operation Comp stop Comp freq restricted 37 0kgf cm2 35 0kgf cm2 Comp freq free 40 0kgf cm2 High Pressure This control detect outdoor ambient temperature and perform the fan speed adjustment during heating operation 19 6 Extreme Low Temperature Compressor low pressure protection control Heat This control is to prevent low pressure drops too low during extr...

Page 215: ...mpressor oil However it can be stopped using remote control or Auto OFF ON button at indoor unit 19 10 Total Current Control By referring to table below during normal default operation the running current refer to Hi values and during Power Save Mode the running current refer to Lo values When the outdoor unit total running current AC exceeds X value compressor frequency will decrease If the runni...

Page 216: ...peration Indoor pipe temperature indoor intake temperature is below 2 C o Not during deice control o Compressor ON with maximum frequency Control content o Compressor stops and restart after 3 minutes o If the conditions above happen 4 times within 60 minutes the unit will stop operation F91 is indicated 19 13 Compressor Protection Control Gas leak detection control 2 This control detect gas leaka...

Page 217: ...et by using remote control 19 16 Compressor discharge high temperature protection control This control detect compressor tank temperature CU 2WZ71YBE5 and perform the compressor frequency restriction Comp stop Comp freq restricted Comp freq free A C B D A B C D 108 0 C CU 2WZ71YBE5 104 0 C 101 0 C 97 0 C Comp discharge temp CU 2WZ71YBE5 When the discharge temperature more than 108 C the compressor...

Page 218: ...itch SW1 to stop the pump down operation Note Pump down operation will stop automatically after 15 minutes if PUMP DOWN switch SW1 is not pressed again Pump down operation is not started within 3 minutes after compressor is stopped LED 2 3 4 5 Message Status Pump down operation progress 3 minutes before operation end 2 minutes before operation end 1 minute before operation end Pump down operation ...

Page 219: ...ch SW5 to ON before power supply ON When Mode Priority Function is ON the mode priority is given to higher capacity indoor units 20 1 5 Cooling only function The unit capable to limit the operation mode to Cooling Mode only Heating mode disabled by cutting JP1 COOL ONLY before power supply ON This function prevent wrong operation during the unit installed in server room This function could be disa...

Page 220: ...or operation of Remote Controller Note During winter turn on the power supply and standby the unit for at least 15 minutes before test run Allow sufficient time to warm up refrigerant and prevent wrong error code judgement 3 For normal operation Water Pressure Gauge reading should be in between 0 05 MPa and 0 3 MPa 4 During test run use a container to collect high volume of discharge water from Pr...

Page 221: ... min Press or SW to select conﬁrm maximum duty Range 0 x40 0xFF Screen 6 Screen 5 Press or SW to select conﬁrm operation 11 00am Mon NOTE 1 Whenever at Screen 5 if press SW to OFF pump operation should be turned OFF 2 Whenever at Screen 6 if press SW to OFF pump operation should be turned OFF ...

Page 222: ...ess is complete initialization process will re start from beginning Press simultaneously for 5secs continuously initialization process During EEPROM default data setup process display should be as shown below 0 2s Later 0 2s Later 0 2s Later EEPROM default data setup is only possible during initialization process Real time and date will blink ...

Page 223: ... 6 Dry Concrete Setup 11 00am Mon Screen 4 Screen n e e r c S 5 6 Once ON is confirm stage 1 setup will start Every day stage will increment with its respective setup Next Page Press scroll to Installer setup ...

Page 224: ...se to select 10 stages then setup will start from stage 1 10 Press or button to select set temperature Press button to store latest status Move to next stage 2 10 Repeat the same procedure Move to next stage 10 10 Repeat the same procedure Press to store latest status the the display will return to Screen 4 Press button to return to stage 9 10 ...

Page 225: ...ipeline Then set it CLOSE f Turn the Safety Relief Valve knob counterclockwise slightly and hold for 10 seconds to release air from this pipeline Then recover the knob to original position g Ensure Step 5 6 is carried out each time after charging water to Domestic Hot Water Tank h To prevent back pressure from happening to the Safety Relief Valve do turn the Safety Relief Valve knob counterclockwi...

Page 226: ...ton when the power is supplied to Tank Unit Else electrical shock may happen Before obtaining access to terminals all supply circuits must be disconnected o Push the TEST button on the RCCB ELCB The lever would turn down and indicate 0 if it functions normal o Contact authorized dealer if the RCCB ELCB malfunction o Turn off the power supply to the Tank Unit o If RCCB ELCB functions normal set the...

Page 227: ...hrough discharge hose at regular intervals to ensure it is not blocked and to remove lime deposit Use a container to collect high volume of discharge water from the discharge hose 8 Maintenance for Safety Relief Valve It is strongly recommended to operate the valve by turn the knob counter clockwise to ensure free water ﬂow through discharge pipe at regular intervals to ensure it is not blocked an...

Page 228: ...2 1 3 Custom menu Setting method of Custom menu Custom menu 12 00am Mon Back up heater Reset energy monitor Reset operation history Smart DHW Select Conﬁrm Please press for 10 sec Items that can be set Backup heater Use Do not use Backup heater NOTE It is different from to use not to use backup heater set by client When this setting is used heater power on due to protection against frost will be d...

Page 229: ...y Side Temperature Below 60 C pH 7 to 9 Alkalinity 60mg l HCO 300mg l Conductivity 500μS cm Hardness Ca Mg HCO 0 5 Chloride 200mg l at 60 C Sulphate SO 100mg l and HCO SO 1 Nitrate NO 100mg l Chlorine 0 5mg l 22 1 4 2 External filter Solids in the water must be filtered Minimum filter mesh size required for the field supply external filter in the water inlet is 20 mesh ...

Page 230: ...l LED will again blinks and error code will be display The error code will store in IC memory To check the error code 1 When an abnormality occurs system will stop operation and OFF ON control panel LED will blink 2 Error code of the abnormality will be display on the control panel 3 To determine the abnormality description the error code table needs to be referred eg Blinking Error number Press t...

Page 231: ...231 Press button and select System Check Display last 4 error retrieved from EEPROM Screen 4 Press SW to select Error history ...

Page 232: ...er temperature Zone 1 sensor H44 Abnormal Zone 2 sensor Continue for 5 sec Water temperature Zone 2 sensor H51 Outdoor gas pipe temperature sensor abnormality Continue for 5 sec Outdoor gas pipe sensor defective or disconnected H53 Outdoor liquid pipe temperature sensor abnormality Continue for 5 sec Outdoor liquid pipe sensor defective or disconnected H62 Water flow switch abnormality Continue fo...

Page 233: ... V coil F27 Pressure switch abnormality Continue for 1 min Pressure switch F29 Low Discharge Superheat 1 times occurrence within 2550 minutes Discharge Temperature Sensor Discharge Pressure Sensor Pressure Switch Outdoor PCB F30 Water outlet sensor 2 abnormality Continue for 5 sec Water outlet sensor 2 defective or disconnected F32 Abnormal Internal Thermostat Continue for 5 sec Control panel PCB ...

Page 234: ...eck the inter unit control wiring E04 Disconnection Contact failure of inter unit wiring Check the electrical connection of inter unit control wiring Replace the indoor unit control PCB Replace the outdoor unit control PCB Check the electrical connection of fuse F302 on indoor unit control PCB In the case of the fuse opened on an indoor unit control PCB after correcting wiring connection it substi...

Page 235: ...s is not set Correct the indoor unit address L09 Indoor unit capacity is not set Correct the capacity setting of indoor units P01 Indoor unit fan motor locked Remove the cause Indoor unit fan motor layer short Replace the fan motor Contact failure in thermostat protector circuit Correct the wiring P09 Faulty wiring connections of ceiling indoor unit panel Correct the wiring connection P10 Timer an...

Page 236: ...uble Check the compressor discharge temperature sensor TD Check the outdoor unit control PCB F06 Outdoor heat exchanger temperature sensor C1 trouble Check the outdoor unit heat exchanger temperature sensor C1 Check the outdoor unit control PCB F07 Outdoor heat exchanger temperature sensor C2 trouble Check the outdoor unit heat exchanger temperature sensor C2 Check the outdoor unit control PCB F08...

Page 237: ...t Replace the indoor unit EEPROM Check the outdoor unit control PCB Check the type of IU and OU and re set address L18 4 way valve locked trouble operation failure Check the 4 way valve Check the 4 way valve wiring Check the outdoor unit control PCB P03 Compressor discharge temperature trouble Check the refrigerant cycle gas leak Trouble with the electronic expansion valve Check the discharge temp...

Page 238: ...ternately Compressor overcurrent trouble Layer short on the compressor Compressor locked Check the outdoor unit control PCB P22 Outdoor unit fan motor trouble Outdoor unit fan trouble Check the outdoor unit fan motor connector P29 Inverter compressor trouble Layer short on the compressor Check the outdoor unit control PCB Check the inverter compressor wiring Open phase Reverse phase Compressor act...

Page 239: ...n between indoor and outdoor Communication between wired remote controller Wired remote controller improper setting L Improper setting from outdoor indoor unit and wired remote controller F Temperature sensor issue Indoor Outdoor Unit o EEPROM Issue F31 P Protective device activated H Protective device activated inverter compressor ...

Page 240: ...ceiver Group control Confirm the grouped indoor units no more than eight units Check all indoor unit power supply status Make sure group control setting is executed Group control wiring changed after setting is done Grouped control wire Black White shorted mis wiring wrong contact or grounded Setting Related CHK and TEST pin shorted EEPROM no installed or defect when main power switched ON Remote ...

Page 241: ... unit o Outdoor Unit main power supply turned OFF o No proper set for indoor unit resistance impedance terminal CN045 o Communication cable is lose opened improper install Setting Related CHK and TEST pin shorted EEPROM no installed or defect when main power switched ON Outdoor unit main PCB malfunction Wrongly set the indoor unit address duplicated DISP Pin CHK Pin EEPROM ...

Page 242: ...s Measure the DC voltage at terminal 2 3 communication terminals of outdoor unit terminal board Is the measured DC voltage fluctuate between 10 70V NO Improper connection at terminals NO Measure the AC voltage at terminal 1 2 of indoor unit terminal board Is the measured voltage 220 230 240V Defect in receiver transmitter module of YES Measure the DC voltage at terminal 2 3 of indoor unit terminal...

Page 243: ... lower than outdoor unit CHK pin CN062 CN071 and or TEST pin CN064 shorted when power is turned ON 24 2 6 E16 Total Capacity of Indoor Unit is Too High Setting Related When indoor unit capacity higher than outdoor unit CHK pin CN062 CN071 and or TEST pin CN064 shorted when power is turned ON DISP Pin CHK Pin ...

Page 244: ...oor outdoor PCB Specification and combination table in catalogue H15 F04 H15 Compressor temperature sensor abnormality Continuous for 5s Compressor temperature sensor open or short circuit Compressor temperature sensor lead wire and connector H16 H03 F46 Outdoor current transformer CT abnormality Current transformer faulty or compressor faulty Outdoor PCB faulty or compressor faulty H27 F08 F36 Ou...

Page 245: ... lead wire and connector Fan motor lock or block H98 H98 Indoor high pressure protection Indoor high pressure protection Heating Check indoor heat exchanger Air filter dirty Air circulation short circuit H99 H99 Indoor operating unit freeze protection Indoor freeze protection Cooling Check indoor heat exchanger Air filter dirty Air circulation short circuit H64 Outdoor high pressure switch abnorma...

Page 246: ...system Outdoor air circuit F96 P07 F22 Power transistor module overheating protection 4 times happen within 30 minutes Power transistor module overheat PCB faulty Outdoor air circuit fan motor F97 P03 F20 Compressor overheating protection 3 times happen within 30 minutes Compressor overheat Insufficient refrigerant F98 H01 F16 Total running current protection 3 times happen within 20 minutes Total...

Page 247: ...ires between the indoor and outdoor units Troubleshooting When abnormality indication starts again Is there any wiring error YES Matched compatibility Correct the indoor outdoor unit connection wires Check the indoor and outdoor unit connection wires Check the spare part numbers of the indoor and outdoor unit PCBs and compare with their Part Lists Change for the specified indoor or outdoor unit PC...

Page 248: ...place the compressor tank temperature sensor Defect in outdoor unit PCB main Replace the outdoor unit PCB main Check the CN TANK connector connection Turn OFF the power Check the connector connection Check the compressor tank temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the compressor tank temperature sensor Compressor Tank Compressor Discharge Sen...

Page 249: ...rn OFF the power Check if the water pump connector connection normal Disconnect the water pump connector CN PUMP1 Turn ON the power and check the input voltage of the water pump from indoor unit PCB Is the water pump drive power supply voltage range between 280 373Vdc pin1 4 generated Is the water pump control power supply 15Vdc pin5 4 generated Operate the water pump is the duty command range bet...

Page 250: ... Replace the indoor unit PCB main Check the CN TH1 connector connection Turn OFF the power Check the connector connection Check the indoor refrigerant liquid temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the indoor refrigerant liquid temperature sensor Is the CN TH1 connector connection normal Is the measured resistance of the indoor refrigerant liq...

Page 251: ...t Continue for 5 seconds For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Correct sensor connection NO YES Abnormal solar sensor H28 happens check connection at CN207 normal Change solar sensor NO Measure resistance of sensor match characteristic Change Indoor sub PCB Caution ...

Page 252: ...seconds For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Change swimming pool sensor NO YES Measure sensor resistance match swimming pool sensor characteristic Correct sensor connection NO H31 happens check connector sensor at CN204 connection normal Abnormal swimming pool sensor Change Indoor sub PCB Caution ...

Page 253: ...s For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Correct connection NO Change buffer tank sensor NO YES Disconnect sensor from sub PCB measure resistance of sensor and compare against characteristic same Abnormal buffer tank sensor H36 check buffer tank sensor connection at CN205 normal Change sub PCB Caution ...

Page 254: ...de not match For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Use only Panasonic units Change to Panasonic unit NO Brand code not match Check the brand of indoor and outdoor unit both Panasonic Change PCB outdoor Caution ...

Page 255: ...nt breakdown always switch off the power before remove and connect the component NO YES YES Check plug out connector from zone 1 connector sub PCB in match the PCB measure resistance of zone 1 sensor characteristic Abnormal zone 1 sensor Check the turn off power check connector connection Normal Poor contact Correct connection NO Defective zone sensor Defective zone sensor Replace sensor Defective...

Page 256: ...e for 5 seconds For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Correct abnormal connection NO Change sensor zone 2 YES Plug out from sub PCB check sensor characteristics measure resistance is it match Abnormal zone 2 sensor Turn off power check connector connection normal Change PCB Caution ...

Page 257: ...onnect the component Check the system water pump Is the CN4 connector connection normal Defect in flow sensor Replace the flow sensor Check the water system passage Is the water pump working Is there any water leakage Yes Yes Yes Yes No No No No Replace the faulty water pump Connector poor contact Correct the connection Defect in indoor unit PCB main Replace the indoor unit PCB main Fix the water ...

Page 258: ...or connection Check the continuity of the outdoor unit PCB main high pressure sensor connector CN HPS Plug out connector from the outdoor unit PCB main Measure the continuity pin 1 3 GND and pin 1 4 5 V of CN HPS Is the CN HPS connector connection normal Is the measured voltage 0 Vdc or 5 Vdc Reconnect the high pressure sensor connector to the outdoor unit PCB main Turn ON the power and run the sy...

Page 259: ... 5 seconds For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Correct connection NO Change external thermistor 1 NO YES Disconnect sensor from sub PCB measure resistance of sensor and compare against sensor characteristic same Abnormal external thermistor 1 Check CN205 connector on sub PCB normal Change sub PCB Caution ...

Page 260: ...For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Correct external thermistor 2 sensor connector NO Change external thermistor 2 NO YES Check resistance of external thermistor 2 compare against characteristic of external thermistor same Abnormal external thermistor 2 Check connector CN205 on sub PCB normal Change sub PCB Ca...

Page 261: ...k the indoor backup heater incoming AC power supply 2 Turn ON power supply 2 RCCB Measure the AC voltage between RCCB s L1 N1 Measure the AC voltage between PCB s AC2 L3 AC2 N2 Check indoor backup heater OLP continuity Turn OFF power supply Reset heater 1 OLP Measure the continuity of OLP Is there any continuity Check the CN OLP1 connector connection Turn OFF the power Check the connector connecti...

Page 262: ...sembly no 15 and no 16 and CN TH2 connector connections Turn OFF the power Check the connector connections Check the tank temperature sensor Plug out connector from the indoor unit PCB main Measure the resistance of the tank temperature sensor Is the measured resistance of the tank temperature sensor matches the value specified in its characteristic chart Is the terminal board assembly no 15 and n...

Page 263: ... Faulty indoor sub PCB Abnormality Judgment After 1 minute operation started For safety reason and to prevent component breakdown always switch off the power before remove and connect the component YES Correct connection at CN PWR NO YES PCB communication error H74 happens check connection at CN PWR normal YES Abnormal AC POWER supply NO Check CN PWR 230 240 V Replace sub PCB NO Check CN COMM situ...

Page 264: ...Turn OFF the power Check the connector connection Check the Vdc from the indoor unit PCB main Disconnect remote control from the indoor unit PCB terminal CN4 Turn ON the power Measure the Vdc as shown in Figure 1 Is the Vdc measurement 16Vdc Is the CN4 connector connection normal Defect in indoor unit PCB main Replace the indoor unit PCB main Check the control panel cable connection Is the control...

Page 265: ...d power supply waveform Abnormality Judgment Continue for 1 minute after operation Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the indoor outdoor units connection wires Is there any wiring error Is the Vdc fluctuate between 45 60 Vdc Is the Vdc fluctuate between 15 60 Vdc Turn OFF the power and disco...

Page 266: ...ctive Troubleshooting When abnormality indication starts again Is the indoor and outdoor unit model number matched Check indoor and outdoor units model number Check indoor and outdoor PCB part number and compare if they matched part list Change for the specified indoor or outdoor unit PCB Replace the indoor and outdoor unit PCB For safety reason and to prevent component breakdown always switch off...

Page 267: ...the 2 3 way valve closed Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice formed Check refrigerant amount Is the additional refrigerant amount filled correctly Yes Yes Yes Yes Yes Yes No No No No No No Yes Is the water pump working Check the system water flow rate Is there any water leakage Check the system water passage Is the water pump speed adjusted ...

Page 268: ...ger Is the indoor unit heat exchanger dirty NO Check refrigerant amount Is the additional refrigerant amount filled correctly Replace the outdoor unit PCB main Replace the outdoor high pressure sensor YES YES For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Caution Troubleshooting Room air Conditioning unit Reclaim and recharg...

Page 269: ...t radiation Reset the error code and turn on the unit Reinstall the outdoor unit Remove the obstacle s Clean the outdoor heat exchanger Is the outdoor fan motor operating Measure the AC DC voltage between pins of connector CN FM outdoor unit PCB Is the voltage supplied to the outdoor NO Defect in outdoor heat exchanger thermistor Replace the outdoor heat exchanger thermistor NO 0V Defect in outdoo...

Page 270: ...r Is the indoor unit heat exchanger dirty Is there any short circuit Check the air passage Provide sufficient air passage Does it conform to the sensor characteristic chart Check the gas leakage Is Oil oozing out from the 2 3 way valve Replace the indoor unit PCB Replace the indoor pipe temperarure sensor Repair the pipe flare or union nuts Reclaim and recharge refrigerant Replace the indoor unit ...

Page 271: ...assage Is the 2 3 way valve closed Is there any water leakage Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice formed Check refrigerant amount Is the additional refrigerant amount filled correctly Check the outdoor air passage Is there any short circuit Is the water pump working Check the system water flow rate Is the water pump speed adjusted according ...

Page 272: ...e remove and connect the component Check the U V and W connector connection Turn OFF the power Check the U V and W connector connection at outdoor PCB and compressor terminal Is the connector connection normal From the disconnected harnesses U V and Disconnect the harnesses U V and W from the compressor terminal Is the blinking of the 6 LEDs in same sequence condition IPM defective Replace outdoor...

Page 273: ...off power supply and rotate fan by hand Does it rotate CN MTR2 WHT IC19 3 5 1 10 14 16 W U V FAN MOTOR MS CN MTR1 PCB BOARD 5 4 3 2 1 C173 5V R105 1k C176 0 01µ 50V G5 R111 1k C177 0 01µ 50V G5 R120 1k C175 0 01µ 50V G5 G5 YES NO YES Turn off power supply and disconnect fan motor CN MRT2 Check resistance of the motor Measure at fan motor connector CN MRT1 1 2 1 3 2 3 Replace outdoor PCB NO Replace...

Page 274: ...shooting Turn off power supply Check the main circuit electrolytic capacitor When F98 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Get restarted and measure the input current NO Input current limit Replace the outdoor unit PCB NO YES Normal Check refrigerant amount Repair the pipe flare or union nuts Rec...

Page 275: ...re remove and connect the component Check the compressor tank temperature sensor Does it conform to the sensor characteristic chart Check the 2 3 way valve Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice formed Is abnormality happened again Reclaim and recharge for a specified amount of fresh refrigerant Is the 2 3 way valve closed Check for gas leakage...

Page 276: ...PM overheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor Multi Models Only o Compressor OL connector poor contact o Compressor OL faulty Troubleshooting Is outdoor fan motor operating When F96 indication happens For safety reason and to prevent component breakdown always switch off the power...

Page 277: ...sistance between U V V W and W U Are the compressor s winding resistance U V V W or U W shorted Compressor defective due to winding shorted Replace the compressor Outdoor eletronic circuit defect due to power transistor shorted Replace the outdoor unit PCB main Checking the power transistor Never touch any live parts for at least 10 minutes after turning off the circuit breaker If unavoidably nece...

Page 278: ...S NO gas amount is OK NO closed When F91 indication happens Check 3 way valve 3 way valve opened Open 3 way valve YES Check for gas leaking source Check for gas leaking source Refer to H16 Gas leaking Check other parts in refrigeration cycles For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Repair or replace defected part s Re...

Page 279: ...TH from the indoor unit PCB Measure the resistance of the indoor heat exchanger temperature thermistor The 4 way valve may have been damaged or wrongly connected between discharge and suction tube Check connecting tubes to 4 way valve Is the measured resistance of the indoor pipe temperature thermistor matches the value specified in its characteristic chart Problem occurs in heating mode only Defe...

Page 280: ...CN PSW1 connector connection Turn OFF the power Check the connector connection Check the continuity of the outdoor high pressure switch Plug out outdoor high pressure switch connector from CN PSW1 channel Measure the connector continuity Is the CN PSW1 connector connection normal Is there any continuity Defect in outdoor unit PCB main Replace the outdoor unit PCB main Defect in outdoor high pressu...

Page 281: ...et Water Outlet Sensor Characteristic 10 0 10 20 30 40 50 50 60 70 80 90 100 110 120 40 30 10 20 0 Temperature C Resistance K No No Yes Yes Check the CN TH3 connector connnection Turn OFF the power Check the connector connection Connector poor contact Correct the connection Defect in indoor water outlet temperature sensor Replace the indoor water outlet temperature sensor Defect in indoor unit PCB...

Page 282: ...he outdoor air temperature sensor Is the measured resistance of the outdoor air temperature sensor matches the value specified in its characteristic chart Defect in outdoor air temperature sensor Replace the outdoor air temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off the power Check the connector connection Is the connector connect...

Page 283: ...ter Outlet Sensor Characteristic 10 0 10 20 30 40 50 50 60 70 80 90 100 110 120 40 30 10 20 0 Temperature C Resistance K No No Yes Yes Check the CN TH1 connector connnection Turn OFF the power Check the connector connection Connector poor contact Correct the connection Defect in indoor water inlet temperature sensor Replace the indoor water inlet temperature sensor Defect in indoor unit PCB main R...

Page 284: ...utdoor compressor temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor compressor temperature sensor For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Is the measured resistance of the outdoor compressor temperature sensor matches the value specified in its characteristic chart C...

Page 285: ...mal fluctuation AC power supply abnormal surge Defect in PFC circuitry Replace the outdoor unit PCB YES 280Vdc Defect in outdoor fan motor Replace outdoor fan motor NO Defect in compressor Replace compressor NO Defect in reactor Replace reactor YES YES Verify PFC abnormality by measuring DC voltage between Is the DC voltage between DCP and DCN normal Confirm the DC voltage between CN FM 1 and 4 wh...

Page 286: ...ure sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor heat exchanger temperature sensor Defect in outdoor heat exchanger temperature sensor Replace the outdoor heat exchanger temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off the power Check the connector connection Is the connector connection n...

Page 287: ...chart When abnormality indication starts again Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Defect in outdoor discharge pipe temperature sensor Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector co...

Page 288: ...er Outlet Sensor Characteristic 10 0 10 20 30 40 50 50 60 70 80 90 100 110 120 40 30 10 20 0 Temperature C Resistance K No No Yes Yes Check the CN TH1 connector connnection Turn OFF the power Check the connector connection Connector poor contact Correct the connection Defect in indoor water outlet temperature sensor Replace the indoor water outlet temperature sensor Defect in indoor unit PCB main ...

Page 289: ...l Technical Graph for Temp vs Current and Pressure In forced cooling check suction ressure versus running current Running current and suction pressure is very low Compressor Lack Compression Replace Compressor Check replace defected CT Running current is much too low and suction pressure is much too high Suction pressure and running current is normal Check for gas leaking source Repair or replace ...

Page 290: ...y the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 26 1 To Remove Front Plate and Top Plate Hook 2X screw 1 Remove 2 screw at the bottom to remove the Front Plate 2 Remove 12 screw at the top to remove the Top Plate ...

Page 291: ...nut of Pressure Gauge 26 3 To Remove Remote Control 1 Remove the top case from the bottom case Bottom case Flat blade screwdriver Insert the driver and slightly turn Disconnect the remote controller wiring Claw 2 places 2 Disconnect the Remote Controller wiring 3 Remove 3 screws then take out the bottom case ...

Page 292: ... RCCB RCCB 2 Disconnect lead wires Black and White from the RCCB 26 5 To Remove Electronic Controller 1 Disconnect all connectors from main PCB CN FLWSEN CN PUMP1 CN TH1 CN TH2 CN TH3 CN OLP1 CN1 CN2 CN3 CN4 CN5 CN6 Detach all wires REMOTE CONTROLLER 3 WAY VALVE AC1 L3 AC1 N G01 DATA G02 L2 L1 G03 HT1 L3 AC2 L3 AC2 N2 AC2 N3 ...

Page 293: ...When reinstall Flow Switch ensure the arrow on the flow switch is parallel with the pipe shaft and is facing in the direction of flow During reinstall Air Purge Valve Make sure plug is fully close in clockwise direction Packing Apply some water based grease on packing surface before fix with shut off valve 26 7 To Remove Water Pump 2 Disconnect 2 pipe connection 1 Disconnect CN PUMP1 from electron...

Page 294: ...2 pipe connection 4 Remove 4 screw from bracket 1 Disconnect the connector CN OLP1 from the Electronic Controller and detached the lead wire HT1 L3 Red and AC2 L3 Black 26 9 To Remove Water Filter 1 Turn to remove the Magnet Bar at bottom of Magnetic Water Filter Set Filter ...

Page 295: ...caution may result in electric shocks 27 1 Indoor Electronic Controller Removal Procedures 1 Remove the 1 screw of the Rain Cover Screw Rain Cover Fig 1 2 Remove the 5 screws of the Control Board Cover Screw Control Board Cover Fig 2 3 Detach all connectors from Electronic Controller Release the 11 connectors of the Electronic Controller Fig 3 4 Remove the Electronic Controller from 2 Hook Release...

Page 296: ...g with repair work Failure to heed this caution may result in electric shocks 28 1 Outdoor Unit Removal Procedure Caution When handling electronic controller be careful of electrostatic discharge 28 1 1 Removing the Cabinet Top Plate 1 Remove the cabinet top plate remove the 11 screws Fig 1 28 1 2 Remove the Control Board Cover and Particular Plates 2 Remove the control board cover remove the 5 sc...

Page 297: ...emove the particular plate remove the 3 screws Fig 3 4 Remove the particular plate remove the 5 screws Fig 4 28 1 3 Removing the Cabinet Front Plate 5 Remove the cabinet front plate remove the 7 screws 5 Fig 5 ...

Page 298: ...s and others 8 Release the Control P C Board tab to remove the Control P C Board Fig 7 28 1 5 Removing the Propeller Fan and Fan Motor 9 Remove the propeller fan by removing the nut turning clockwise as its center 10 Disconnect the fan motor connector from the Control P C Board Loosen the 4 fan motor mounting screws then remove the fan motor 9 10 Fig 8 ...

Page 299: ... 6 800 7 500 8 200 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 1 400 1 600 1 800 2 000 2 200 2 400 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 29 2 Heating Capacity Table Water Out C 25 35 45 55 Outdoor Air C Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W 15 4850 2150 4750 2280 4650 2440 4500 3200 7 5400...

Page 300: ...71WF3E 30 1 Fan Performance S 71WF3E Cooling IVDS AF Power level dB dB A Heating IVDS AF Power level dB dB A Hi 960 22 70 57 00 34 00 960 22 70 57 00 34 00 Me 800 19 80 800 19 80 Lo 640 15 00 49 00 26 00 640 15 00 49 00 26 00 ...

Page 301: ... l i n e Lim it line Limit line Limit line H M L H M L 0 20 40 60 80 100 120 140 160 180 15 20 25 30 Airflow Volume m3 minute External static pressure Pa External static pressure 130Pa 50Pa L i m i t l i n e Limit line Limit line H M L H M L H M L H M L 0 20 40 60 80 100 120 140 160 180 0 20 40 60 80 100 120 140 160 180 A 15 20 25 30 15 20 25 30 Airflow Volume m3 minute Airflow Volume m3 minute Ex...

Page 302: ...5 47 2 51 5 85 2 51 6 42 2 51 31 2 Air Heat Mode Performance Data Unit setting Standard piping length Hi Fan Heat mode at 30 C Voltage 230V 50Hz Indoor Air Temp C Outdoor Air Temp C 16 15 15 14 10 9 7 6 6 5 2 1 Q W Q W Q W Q W Q W Q W 16 9 82 2 13 9 90 2 24 10 31 2 83 10 56 3 18 10 31 3 15 9 31 3 05 18 9 62 2 16 9 71 2 29 10 14 2 91 10 39 3 29 10 14 3 26 9 15 3 13 20 9 43 2 20 9 51 2 33 9 94 3 00 ...

Page 303: ...CUIT NOISE FILTER CIRCUIT COMMUNICATION CIRCUIT RECTIFICATION CIRCUIT BL W 230V 30A 40A I n 30mA POWER SUPPLY 1 Single phase AC230V 50Hz POWER SUPPLY 2 Single phase AC230V 50Hz L N BL W ELCB 230V 30A In 30mA R LEAD WIRE FIXING FOR HEATER CLOSECLOSE N N OPENOPEN 1 1 3CN PWR BLK ACN WHT ACL BLK CN209 SSR202 SSR203 CN208 SSR200 SSR201 RY201 CN20 CN202 SSR204 SSR205 SSR206 SSR207 CN203 SIGNAL DETECTIO...

Page 304: ...mbly and replacement The non numbered parts are not kept as standard service parts 55 63 74 9 96 5 97 78 67 76 62 68 48 49 59 6 4 7 14 16 65 66 10 73 11 12 31 70 54 52 20 47 69 50 44 58 56 43 42 2 57 71 72 83 82 45 64 79 99 99 13 8 19 46 3 9 9 51 77 18 101 100 60 17 53 ...

Page 305: ...MPLETE CN TH1 1 ACXA50C18190 20 SENSOR COMPLETE CN TH3 1 ACXA50C18200 21 CABINET SIDE PLATE L 1 ACXE04 12760A 22 CABINET SIDE PLATE R 1 ACXE04 12770A 23 CABINET REAR PLATE 1 ACXE02 03020 24 HANDLE 2 ACXE16 00300 25 CONTROL BOARD 1 ACXH10 08530 26 ELECTRONIC CONTROLLER MAIN 1 ACXA73C80820 27 REACTOR 1 G0C103Z00003 28 CIRCUIT BREAKER 2 K5KYYAY00003 29 TERMINAL BOARD ASS Y 1 2 3 1 CWA28K1217 30 TERMI...

Page 306: ...PARTICULAR PLATE 1 ACXD90 26060 62 TUBE ASSY COMPLETE 1 ACXT00C32681 63 PACKING 1 CWB811224 64 RETAINING RING 1 ACXH58 00370 65 TUBE ASSY COMPLETE 1 ACXT00C32692 66 PACKING 1 CWB811179 67 TUBE ASSY COMPLETE 1 ACXT00C39030 68 TUBE ASSY COMPLETE 1 ACXT00C39040 69 LEAD WIRE COMPLETE CN FLWSEN 1 ACXA60C82910 70 U SHAPED PIECE 1 CWD721031 71 LEAD WIRE COMPLETE CN OLP1 1 ACXA60C62220 72 LEAD WIRE COMPLE...

Page 307: ...WT251032 101 FLARE NUT 1 4 1 CWT251063 102 INDICATION LABEL 1 ACXF71 03400 103 ACCESSORY COMPLETE 1 ACXH82C04160 104 ACCESSORY COMPLETE L TUBE 1 ACXH82C21740 105 L TUBE 1 CWH5850080 106 PACKING 1 CWB81012 107 NETWORK ADAPTER 1 ACXG50C03490 108 BAG 1 ACXG86 06130 109 SHOCK ABSORBER 1 ACXG70 14150 110 SHOCK ABSORBER 1 ACXG70 14160 111 CORRUGATED CARDBOARD 1 ACXG57 10710 112 SHOCK ABSORBER 4 CWG71313...

Page 308: ... are not kept as standard service parts O I I I 64 51 54 74 65 50 52 20 58 40 42 71 38 72 39 66 43 47 53 48 55 44 14 13 4 13 25 24 23 26 34 70 68 22 56 37 11 2 5 7 9 17 28 73 12 45 46 41 21 6 8 10 1 2 27 60 57 15 1 32 82 33 29 75 30 31 49 3 59 61 62 35 36 67 ACX F85 8379 0 36kg 69 77 81 Panasonic CZ RTC6BLW 78 80 79 77 80 76 ...

Page 309: ...LETE 1 ACXE04C06580 21 FIXED INDUCTORS 1 G0C153K00011 22 HIGH VOLTAGE POWER SUPPLIES VO 600V 1 N0GE1E000011 23 LEAD WIRE COMPLETE 1 ACXA60C79150 24 LEAD WIRE COMPLETE 1 ACXA60C79090 25 LEAD WIRE COMPLETE 1 ACXA60C79100 26 LEAD WIRE COMPLETE 1 ACXA60C79110 27 PUMP BRACKET COMPLETE 1 ACXD58C00012 28 CONTROL BOARD ASSY 1 ACXH10K02320 29 FIN TUBE EVAPORATER COMPLETE 1 ACXB30C35640 30 UNION NUT LIQUID ...

Page 310: ... STYRENE COMPLETE 1 ACXG07C00781 61 WIRE SPRING 1 CWH722020 62 FLEXIBLE PIPE 1 CWH851211 64 OPERATING INSTRUCTION 1 ACXF55 32380 65 INSTALLATION INSTRUCTION 1 ACXF60 45201 66 DRAIN NOZZLE 1 ACXH41 00600 67 PARTICULAR PIECE 1 ACXD93 19650 68 PARTICULAR PIECE 1 ACXD93 19660 69 PARTICULAR PIECE 1 ACXD93 18402 70 PARTICULAR PIECE 1 ACXD93 18411 71 PUMP BRACKET 1 ACXD58 00230 B 72 FLEXIBLE PIPE COMPLET...

Page 311: ... 14 16 17 18 19 20 22 23 23 24 25 26 27 28 31 33 34 35 79 78 36 38 39 40 41 43 44 45 47 49 50 51 52 53 54 55 56 58 58 58 59 60 72 82 83 73 86 74 75 76 77 80 81 83 82 84 21 21 22 85 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 312: ...VALVE 3 CWB051029 23 4 WAYS VALVE 2 ACXB00 01470 24 DISCHARGE MUFFLER 2 ACXB12 00650 25 HEATING PRESSURE SWITCH 1 ACXA10 00640 26 FLARE NUT 1 4 2 CWT251030 27 FLARE NUT 3 8 2 CWT251032 28 SOUND PROOR MATERIAL 1 CWG302804 31 SOUND PROOF MATERIAL 1 CWG302801 33 V COIL CO 4 WAY VALVE CN HOT1 1 CWA43C2586 34 V COIL CO EXPAND VALVE WHITE CN STM1 1 CWA43C2587 35 V COIL CO EXPAND VALVE YELLOW CN STM2 1 C...

Page 313: ... INSTALLATION INSTRUCTION 1 ACXF60 45850 68 INSTALLATION INSTRUCTION 1 ACXF60 45860 69 INSTALLATION INSTRUCTION 1 ACXF60 45870 70 INSTALLATION INSTRUCTION 1 ACXF60 45880 71 INSTALLATION INSTRUCTION 1 ACXF60 45890 72 ACCESSORY CO DRAIN ELBOW 1 ACXH82C21740 73 BADGE PANASONIC 1 CWE373439 74 LEAD WIRE COMPRESSOR 1 CWA68C1395 75 V COIL CO 4 WAY VALVE CN HOT2 1 ACXA43C07380 76 SENSOR COMPLETE CN TANK 1...

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