Panasonic WH-MDC05F3E5 Service Manual Download Page 94 | Manualshive

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16.5.6 Compressor Low Pressure Protection (H42)

Malfunction Decision Conditions:

During operation of heating and after 5 minutes compressor ON, when outdoor pipe temperature below -29°C or
above 26°C is detected by the outdoor pipe temperature sensor.

Malfunction Caused:

1  Dust accumulation on the outdoor unit heat exchanger.
2  Air short circuit at outdoor unit.
3  2 way valve partially closed.
4  Faulty outdoor unit fan motor.
5  Refrigerant shortage (refrigerant leakage).
6  Clogged expansion valve or strainer.
7  Faulty outdoor pipe temperature sensor.
8  Faulty outdoor unit main PCB (main).

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Summary of Contents for WH-MDC05F3E5

Page 1: ...ion is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the products dealt w...

Page 2: ...F ON Control 74 12 19Holiday Mode 75 12 20Dry Concrete Function 75 13 Protection Control 76 13 1 Protection Control For All Operations 76 13 2 Protection Control For Heating Operation 78 13 3 Protection Control For Cooling Operation 79 14 Servicing Mode 80 14 1 Test Run 80 14 2 How To Adjust Water Flow Rate 80 14 3 Expansion Vessel Pre Pressure Checking 80 15 Maintenance Guide 81 16 Troubleshootin...

Page 3: ...current will cause electrical shock or fire 6 Do not tie up the power supply cord into a bundle by band Abnormal temperature rise on power supply cord may happen 7 Do not insert your fingers or other objects into the unit high speed rotating fan may cause injury 8 Do not sit or step on the unit you may fall down accidentally 9 Keep plastic bag packaging material away from small children it may cli...

Page 4: ...umulates near or around the Mono bloc unit 2 Do not release refrigerant during piping work for installation re installation and during repairing a refrigeration parts Take care of the liquid refrigerant it may cause frostbite 3 Make sure the power supply cord does not contact with hot part i e water piping High temperature may cause insulator of power supply cord damage hence electrical shock or f...

Page 5: ...r Rotary Motor Type Brushless 4 poles Compressor Rated Output kW 1 70 Type Propeller Fan Material PP Motor Type DC 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm Cooling 700 Heating 580 Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 30 17 Heat Exchanger Size W H L mm 38 1 762 903 8 873 8 Item Unit Mono Bloc Unit Height mm inch 865 34 1 16 Width mm inch 1283 50 1...

Page 6: ...se Inner Diameter mm inch 15 00 19 32 Motor Type Brushless DC Motor No of Speed 7 Software Selection Pump Input Power W 47 Type Brazed Plate No of Plates 48 Size H W L mm 81 93 325 Hot Water Coil Water Flow Rate l min m 3 h Cooling 12 9 0 8 Heating 14 3 0 9 Pressure Relief Valve Water Circuit kPa Open 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Device A Residual Current Cir...

Page 7: ...or reverse cycle Inner protector to protect compressor Serviceability Feature Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Pumpdown Button for servicing purpose Front maintenance design for mono bloc unit Operation Condition Water outlet temperature C Ambient temperature C Maximum 55 35 HEATING Minimum 25 20 Maximum 20 43 COOLING Minimum 5 16 NOTICE Wh...

Page 8: ...8 4 Location of Controls and Components 4 1 Mono Bloc Unit Top Plate Air inlet rear Air inlet side Air outlet Cabinet Front Plate Handle 2 pieces front and 2 pieces behind ...

Page 9: ...mp RCCB Cable cover Cabinet front plate Connector name Water inlet Water outlet Cabinet top plate Overload protector Heater assembly Expansion vessel Cover Air purge valve Plug VIEW WITHOUT COVER DETAIL B DETAIL A View without cabinet top plate VIEW WITHOUT PCB 1 2 a b 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Page 10: ...at Mode OFF ON Indicator This icon indicates heating mode OFF ON operation Auto Mode OFF ON Indicator This icon indicates auto mode OFF ON operation Solar Display This LCD show the solar display Caution Tank Temperature above 60 C Indicator This LCD show the Caution display Timer Clock Setting Display This LCD show the weekly schedule timer setting and clock display Outdoor Ambient Temperature Dis...

Page 11: ...NO NO 2 Indoor Backup Heater Selection To reduce the heater power if unnecessary Options of kW vary depending on the model 3 kW 6 kW 9 kW 3 Water System Freeze Prevention To activate or deactivate the water freeze prevention when the system is OFF YES 4 Tank Connection To select whether or not to connect to the optional water tank unit Note If NO is selected menus 5 to 15 are skipped YES 5 Solar P...

Page 12: ...b m a r o o d t u o n e h w s e t a v i t c a r e t a e h n a p e s a b e h T B e p y T 5 C or lower A 18 1 2 Cool Outdoor Temperature setting To set the outdoor ambient temperature for the AUTO mode to change from HEAT to COOL 5 C 25 C 19 1 2 Heat Outdoor Temperature setting To set the outdoor ambient temperature for the AUTO mode to change from COOL to HEAT 5 C 25 C 20 Dry Concrete During constr...

Page 13: ...are shown on the display User Select operation mode Press to select operation mode AUTO Depending on the preset outdoor temperature the system selects HEAT or 1 COOL operation mode AUTO TANK Depending on the preset outdoor temperature the system selects HEAT TANK or 1 COOL TANK operation mode HEAT r e h t i e s i n o i t a r e p o T A E H r o o l f l e n a p e h T turned ON or OFF The mono bloc un...

Page 14: ... r e p m e t t n e i b m a r o o d t u o w o l f o g n i t t e S HEAT C 5 1 C 5 1 e r u t a r e p m e t t n e i b m a r o o d t u o h g i h f o g n i t t e S Setting of water outlet temperature at low outdoor ambient temperature 25 C 55 C Setting of water outlet temperature at high outdoor ambient temperature 25 C 55 C During HEAT mode the water outlet temperature is adjusted as is shown the diagr...

Page 15: ...ERVICE and STATUS indicators are ON The system will shift the temperature within water outlet temperature range User Holiday mode By setting the day s in holiday mode it promotes energy saving while you are on holiday and enables the system to resume at the preset temperature after your holiday Ensure that the system is OFF before setting The system will resume operation automatically at 00 00 am ...

Page 16: ...d will disappear To disable enable Weekly Timer To disable weekly timer setting press then press To enable previous weekly timer setting press then press Dealer Operation settings to be done only by the authorised dealer specialist User Operation settings to be done by the authorised dealer specialist or user 7 s s e r P to confirm programme 1 The selected day will be highlighted with After 2 seco...

Page 17: ...re 1 s s e r P and simultaneously and hold for 5 seconds until the display shows 2 s s e r P The display shows 3 s s e r P to select day Press or to set the desired temperature 4 s s e r P to confirm the selection 5 p e t s t a e p e R 3 and 4 to set other days and temperature Press to exit ...

Page 18: ...18 5 Dimensions 5 1 Mono bloc Unit Unit mm Top View Front View Side View Side view 579 152 980 1283 303 319 266 94 865 480 70 172 10 10 20 152 400 355 320 10 ...

Page 19: ...lve Water Flow Switch Water Pump Water Inlet Connect to Sanitary Tank Water Outlet Connect to Sanitary Tank Drain Refrigerant Cycle Heating Water Cycle Heat Exchanger Heat Exchanger Strainer Strainer Receiver 4 Way Valve Gas Side 3 Way Valve Liquid Side 2 Way Valve Pressure Switch High Pressure Sensor Compressor Discharge Temp Sensor Compressor Tank Temp Sensor Compressor Water Pressure Gauge Capi...

Page 20: ...ing Cooling Panel Heater Unit Heating Floor Heating Panel Heating Cold Water Supply Connect to Mono bloc Unit Terminal Board Water System 3 Way Valve 2 Way Valve OLP Heater 1 3kW THs Sanitary Tank Solar Unit Optional THt HEX Indoor Side OPERA TION ACTUAL HEAT ER BOOS TER QUIET SE TTING ST ATUS SERVICE AUT O HE AT COOL TANK HE ATE R FORCE C C ON OFF MON TUE WED THU FRI SAT SUN hr hr kwh ...

Page 21: ...AR M 1 M 1 M 1 MS 3 RY V3 3 WAYS VALVE RY V2 2 WAYS VALVE NOISE FILTER NOISE FILTER NOISE FILTER NOISE FILTER WATER PUMP SC SC WATER PUMP CIRCUIT RY HT L3 BOOSTER HEATER BACKUP HEATER RY BOOSTER REACTOR REACTOR RELAY FUSE2 FUSE1 CAPACITOR CIRCUIT PFC CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT 1 2 3 M M 4 WAYS VALVE BASE PAN HEATER RY HT2 RY HOT CRANKCASE HEATER RY HT1 ...

Page 22: ...MO WHT R R R Y Y O O GR GR B B O BR R Y 3 2 1 2 1 3 5 1 1 3 5 1 3 5 7 1 2 1 2 1 1 3 BR BL BL BL BL BL BL W W TERMINAL BOARD TERMINAL BOARD TERMINAL BOARD TERMINAL BOARD TERMINAL BOARD 19 1 1 2 2 PUMP SOLAR 3 WAY SOLAR VALVE LEAD WIRE FIXING FOR OLP LEAD WIRE FIXING FOR HEATER BLUE BLUE BLACK BLACK RED WHITE WHITE WHITE TRANSFORMER WATER PUMP M HT1 L3 RED AC2 L3 BLK ACL3 BLK ACL BOOSTER BRW ACL BOO...

Page 23: ...6 1 1 ELECTRO MAGNETIC COIL MAIN EXPANSION VALVE R 2 R 1 RY HT2 1 3 3 RY HT1 1 3 1 RY HOT 4 1 2 1 4 7 FAN MOTOR P N U V W U RED V BLUE 3 W YELLOW MS M M G B BL R REACTOR REACTOR BL GR RELAY 4 1 5 6 W W W BL BL BL FG1 GREEN FG2 GREEN G G R B Y HIGH PRESSURE SWITCH R FUSE2 T3 15A L250V FUSE1 T3 15A L250V NOISE FILTER CIRCUIT ELECTRONIC CONTROLLER SUB ELECTRONIC CONTROLLER CAPACITOR ELECTRO MAGNETIC ...

Page 24: ... BOOSTER BRW ACL BOOSTER2 WHT ACL BOOSTER2 BLK AC2 N2 WHT ELECTRONIC CONTROLLER MAIN T3 OLP 80 3 C OLP 80 3 C CN SOLAR_B IVORY HEATER BACKUP HEATER 3kW CN HT WHT CN V2 WHT CN RCV2 WHT CN TH2 WHT CN V3 GRN PUMP L RED ACN 3V BLU ACL1 3V ORG ACL2 3V BRW PUMP N YLW ACN WHT ACL BLK CN PWR BLK ELECTRONIC CONTROLLER SOLAR SW201 RY V201 RY HT L3 RY BOOSTER RY HT RY V2 RY V3 RCCB POWER SUPPLY 2 Single phas...

Page 25: ... RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY CIRCUIT COMPRESSOR TANK TEMP SENSOR THERMISTOR 50kΩ 3950 t CN TANK WHITE 1 3 5V C175 1µ 6 3V 657 R363 4 99k 1 DISCHARGE TEMP SENSOR THERMISTOR 50kΩ 3950 t CN DIS WHITE 1 2 5V C47 1µ 6 3V 100 R102 4 99k 1 5V 90 R100 15 0k 1 R101 7 50k 1 C46 1µ 6 3V C45 1µ 6 3V CN TH1 WHITE 1 2 3 4 OUTDOOR AIR OUTLET TEMP SENSOR THERMISTOR 15kΩ 3950...

Page 26: ...oard 10 1 Water System 10 1 1 Main Printed Circuit Board CN TH1 CN SOLAR CN FLOW CN THERMO G05 AC1 L3 G02 G02 DATA G04 CN T1 CN OLP1 CN TH2 CN TH3 CN OLP2 CN REMOTE2 CN PUMP2 G08 CN RCV2 CN V3 CN PWR CN V2 CN HT G01 AC1 N G07 ...

Page 27: ...27 10 1 2 Solar Printed Circuit Board Optional ...

Page 28: ...28 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board CN FM1 AC L CN TH1 CN EV COM3 AC WHT02 AC BLK02 CN HT1 CN HT2 CN HOT CN HPS CN DIS CN TANK CN PSW1 ...

Page 29: ...29 10 2 2 Capacitor Printed Circuit Board DCN IN DCN OUT DCP IN DCP OUT 10 2 3 Noise Filter Printed Circuit Board CN ACL CN ACN ...

Page 30: ... OLP cable 2 min 0 5mm2 Tank Sensor cable 2 min 0 3mm2 External Controller cable 2 min 0 5mm 2 Solar Three way Valve cable 3 min 0 5mm2 Solar Pump Station cable 2 min 0 5mm2 Type designation 60245 IEC 57 or heavier cord cable Water Outlet Pipe Water Inlet Pipe 300mm or more 300mm or more 1000mm or more 100mm or more Wired Remote Control Cable Power Supply 2 cord 3 4 0mm 2 Power Supply 1 cord 3 4 0...

Page 31: ... Cabinet top plate Overload protector Heater assembly Expansion vessel Cover Air purge valve Plug VIEW WITHOUT COVER DETAIL B DETAIL A View without cabinet top plate VIEW WITHOUT PCB 1 2 a b 3 4 5 6 7 8 9 10 11 12 13 14 15 It is advisible to avoid more than 2 blockage directions For better ventilation multiple outdoor installation please consult authorized dealer specialist ...

Page 32: ...r sea region with high content of sulphur or oily location e g machinery oil etc it lifespan maybe shorten When installing the product in a place where it will be affected by typhoon or strong wind such as wind blowing between buildings including the rooftop of a building and a place where there is no building in surroundings fix the product with an overturn prevention wire etc Overturn prevention...

Page 33: ...y Valve Kit Complete with Tank Unit 2 way Valve Kit Field supply Fan Coil Unit Radiator Floor Heater Water Outlet Water Inlet Mono Bloc Unit External Filter Field supply Tank Unit 3 way Valve Kit Field supply Solar Pump Station Field supply Heating model Cooling model Space cooling can be achieved through the fan coil unit ONLY Make sure thefan coil unit is installed in the cooling circuit Do not ...

Page 34: ...eavier cord to the RCCB and to the other end of the cord to isolating device Disconnecting means 2 To avoid the cable and cord being damaged by sharp edges the cable and cord must be passed through cable cover located at the rear side of the mono bloc unit before being connected to the terminal block The cable cover must be screw properly and must not be removed 3 Secure the cable onto the control...

Page 35: ...load for the valve is 9 8VA 6 Room Thermostat cable shall be connected to Room Thermostat refer to Field Supply Accessories table for details Room Thermostat cable must be 4 or 3 min 0 5 mm2 double insulation layer of PVC sheathed or polychloroprene sheathed cable 7 Tank OLP cable must be 2 min 0 5 mm2 double insulation layer of PVC sheathed or polychloroprene sheathed cable note if such connectio...

Page 36: ...N 61000 3 11 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models 0 222Ω Please liaise with supply authority to ensure that the power supply 1 is connected only to a supply of that impedance or less The equipment s power supply 2 complies with IEC EN 61000 3 12 The equipment s power supply 2 complies with IEC EN 61...

Page 37: ...ed separately Medium sized square outlet box obtain locally Part No DS3744 Panasonic Co Ltd or equivalent 2 Secure the remote control lower case to the outlet box with the two accessory screws 3 Make sure that the lower case is flat against the wall at this time with no bending 3 Pass the remote control cable 2 into the box 4 Route the remote control cable 2 inside the lower case through rear feed...

Page 38: ...upply MAKE SURE THESE CORDS DO NOT TOUCH ANY PORTION OF PUMP BODY How to connect Remote Control to Provided Connector Clamp the wired remote control cable with clamper Wired remote control cable Connect the wired remote control cable with the connector provided here 11 5 Checking And Test Cord Run Procedures WARNING Be sure to switch off all the power supplies before performing each of the below a...

Page 39: ...upplied to the unit 12 1 2 Heating Operation 12 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 12 1 2 2 Thermostat Control Outdoor Ambient Temperature Stops pro...

Page 40: ...ckup Heater On Off Backup Heater Startup Timer Heater On Heater Off Heater Off Heater On Timer for backup heater to on back from previous off W ater Outlet Temp 45 o C 53 o C 47 o C 57 o C 50 o 53 o C Backup Heater Startup Timer On Off Solar 3 way valve Open Close 2 ways valve On Off Solar Request Tank Temp 65 o C 77 o C Heat Pump ...

Page 41: ...ontrol o 3 ways valve switch and fix to cooling side 2 Heat pump operates follow normal cooling operation 3 Back up heater DOES NOT operate during cool mode 4 Solar 3 way valve operates follow solar operation specification 5 2 ways valve control o 2 ways valve is closed Cool Mode Operation Time Chart Heat Pump On Off On Off 3 ways valve Mode On HeatPump Thermo On Backup Heater On Off W ater Outlet...

Page 42: ...perature Judgement control o If outdoor ambient temperature Heat to Cool Set Temperature unit will operate in Heat Mode or else the unit will operate in Cool Mode o If current operation is Cool mode outdoor ambient temperature Cool to Heat Temperature unit will maintain Cool mode operation or else the unit will operate Heat mode o If current operation is Heat mode outdoor ambient temperature Heat ...

Page 43: ...tlet Thermo Condition o Heat pump THERMO OFF TEMP 1 Heat pump THERMO OFF TEMP 53 C 4 C 2 Water outlet temperature Heat pump THERMO OFF TEMP for continuous 3 minutes heat pump OFF o Heat pump THERMO ON TEMP 1 Heat pump THERMO ON TEMP Water inlet during thermo OFF time 3 C 2 Heat pump ON back when water outlet temperature Heat pump THERMO ON TEMP Water Inlet Thermo Condition o Heat pump THERMO OFF T...

Page 44: ...44 57 C 57 C 57 C 57 C ...

Page 45: ...45 ...

Page 46: ...condition Tank temperature Tank THERMO OFF TEMP for continuous 10 seconds OR Solar Valve ON Under Solar Priority Not Set condition Tank temperature Tank THERMO OFF TEMP for continuous 10 seconds Judge only after heat pump THERMO OFF THERMO ON and THERMO OFF point refer to case below Operation condition when 3 ways valve switch to tank side Tank water set temperature tank set temperature or 50 C wh...

Page 47: ...t condition o When solar request ON solar valve will ON turn OFF heat pump and water pump and switch 3 ways valve to room side o THERMO ON TEMP 1 THERMO ON TEMP Heat pump tank target temperature 2 C 2 If tank temperature THERMO ON TEMP AND External Room Thermo OFF AND Solar 3WV OFF switch to tank side Turn ON heat pump after water pump turns ON for 3 minutes 3 Backup heater control o During Extern...

Page 48: ...48 Heat Tank Mode Heating priority set Under Solar Priority Set Condition Under Solar Priority Not Set Condition ...

Page 49: ...F AND Tank THERMO ON TEMP End Room Interval OR Switch to tank heat up interval and start counting tank heat up timer when tank temperature THERMO ON TEMP THERMO ON TEMP is defined Tank thermo ON OFF condition below o During tank heat up interval Heat pump tank target temperature Tank set temperature or 50 C whichever lower Heat pump Water Outlet set temperature is set to 53 C during tank interval ...

Page 50: ... interval timer finish AND External Room Thermo ON OR Only when this condition occur at tank side before tank temperature thermo OFF switch to room side compulsory and continue until complete room heat up interval and switch back to tank side 2 Fulfill Tank thermo OFF condition 3 Backup heater control o During heating heat up interval Follow normal back up heater control operation o During tank he...

Page 51: ...51 ...

Page 52: ...52 ...

Page 53: ...53 57 C 57 C 50 C 50 C ...

Page 54: ...ar Priority Set condition Tank temperature Tank THERMO OFF TEMP for continuous 10 seconds OR Solar Valve ON Under Solar Priority Not Set condition Tank temperature Tank THERMO OFF TEMP for continuous 10 seconds THERMO ON and THERMO OFF point refer to case below Operation condition when 3 ways valve switch to tank side Tank water set temperature tank set temperature or 55 C whichever lower Heat Pum...

Page 55: ... Condition o When solar request ON solar valve will ON and switch 3 ways valve to room side o THERMO ON TEMP 1 THERMO ON TEMP Heat pump tank target temperature 2 C 2 If tank temperature THERMO ON TEMP AND External Room Thermo OFF AND Solar 3WV OFF switch to tank side 3 Backup heater control o Back up heater does not operate at Cool Tank Mode 4 Booster heater control o Booster heater ON OFF follow ...

Page 56: ...THERMO ON TEMP THERMO ON TEMP is defined from following tank thermo ON OFF condition b During tank heat up interval Tank water set temperature tank set temperature or 55 C whichever lower Heat Pump Water Outlet set temperature is set to 53 C Initial Tank THERMO ON TEMP heat pump tank target temperature 2 C Tank Thermo ON OFF characteristic o THERMO OFF TEMP 1 THERMO OFF TEMP Tank water set tempera...

Page 57: ...om side is compulsory and continue until complete cooling interval and switch back to tank side 2 Fulfill case 1 of thermo OFF condition 3 Backup heater control a Backup heater does not operate at Cool Tank Mode 4 Booster heater control a During cooling interval o Booster heater ON OFF according to booster heater operation control b During tank heat up interval o Once switch from cooling interval ...

Page 58: ...e by control panel setting Outdoor Temp Water Temp H2O HI H2O LO OUT LO OUT HI outdoor ambient set temperature outdoor ambient set temperature OUT LO Low outdoor ambient set temperature OUT HI High outdoor ambient set temperature H2O LO Water outlet set temperature at low H2O HI Water outlet set temperature at high Outdoor temperature is updated every 30 minutes when operation ON Setting water out...

Page 59: ... temperature Outdoor Temp Water Temp H2O HI 5 0 Shift value 5 H2O LO OUT LO OUT HI OUT LO Low outdoor ambient set temperature OUT HI High outdoor ambient set temperature H2O LO Water outlet set temperature at low outdoor ambient set temperature H2O HI Water outlet set temperature at high outdoor ambient set temperature Shift value Setting water temperature thermo shift 12 1 10 Outdoor Fan Motor Op...

Page 60: ... 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 shall be continuously running The water pump will remain ON when compressor OFF due to thermostat OFF setting is reached Water pump must always operate during heating mode d...

Page 61: ...sure loss and type the water flow rate can be adjusted by control panel 1 Press SERVICE button for 5 seconds 2 Press button to enter menu S02 and press SET button 3 Press SELECt button then press button to change SPEED and press SET to confirm 4 Press OFF ON button to quit setting EXTERNAL STATIC PRESSURE kPa WATER FLOW RATE I min P Q 0 0 0 10 20 30 40 50 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90...

Page 62: ...press SET S W to start water pump only operation 3 way valve turn OFF and 2 way valve turn ON Water pump will stop operation when H62 is triggered Press the OFF ON button to stop the water pump only operation 12 3 Pump Down Operation Service Mode 01 Purpose Ensure the pump down operation when relocating or disposing of the unit The pump down operation will extract all refrigerant from the piping i...

Page 63: ...ntinuously 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 12 6 Auto Restart Control 1 When the power supply is cut off during the operation of Air to Water Heatpump the compressor w...

Page 64: ...top Condition a When outdoor set temperature outdoor set temperature 2 C for continuous 15 secs OR b When water out temp water set temperature 2 C 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 9 mins b When water outlet temperature water set temperature 8 C c 20 minutes since previous ...

Page 65: ... TIMER can be set by control panel 12 10 Base Pan Heater Control Optional To enable the base pan heater function control panel initial setting has to be manually adjusted by activating Base Pan Heater menu There are 2 optional start condition can be selected Type A or Type B Control details 1 Type A Default Auto Mode Start conditions o When outdoor air temperature 3 C during heating and deice oper...

Page 66: ...e 0 C Booster heater ON Temp Sterilization set temperature 7 C o Sterilization timer which set by control panel will start count after tank achieve sterilization set temperature o Target tank temperature will set back to normal tank set temperature Tank heater control is not affected by solar pump when solar priority set 12 12 Quiet Operation Purpose o To provide quiet operation compare to normal ...

Page 67: ...w conditions is fulfilled o Outdoor ambient temperature 4 C o During 5 C outdoor ambient temp 4 C After water pump ON for 4 minutes and water inlet temp 8 C Else shift to back up heater anti freeze control o During outdoor ambient temp 5 C After water pump ON for 4 minutes and water inlet outlet 20 C Else shift to back up heater anti freeze control However if flow switch is abnormal H62 then water...

Page 68: ...condition a 3 way valve stops operating when No power supply to unit OR There is NO operation request from solar pump station OR Tank hot water temp is above solar off upper limit temp 80 C heat pump OFF OR operate to room side when solar pump operate during solar priority set booster heater OFF when solar pump operate during solar priority set When solar priority is NOT SET 1 Operation condition ...

Page 69: ...69 Solar Operation Chart in different mode and condition Tank Mode Solar Priority SET condition Tank Mode Solar Priority NOT SET condition ...

Page 70: ...l Booster heater Off as solar 3 way valve On Booster heater On as solar 3 way valve Off After heating cooling interval stand by to go in tank side after solar 3 way valve request off and fulfil tank therno on heat pump T1 Heat Tank Mode Heating Priority NOT SET Solar Priority NOT SET condition T1 Heating T2 Tank interval T3 Booster heater delay timer tank side 3 way valve room side Heatpump On Off...

Page 71: ...ff Booster heater Solar request Solar 3 way valve On Off On Off On Off Room Side On Off On Off Booster heater Thermo Off Booster heater Off due to solar 3 way valve on Solar priority set Solar priority not set Solar priority set Solar priority not set Solar off due to upper limit ...

Page 72: ... cool model Indoor Unit 9 L label 10 11 12 L1 label L2 label 9 Terminal Bord No Wire Connection and thermo characteristic of Siemen RAA20 Setting L Y1 H Heat Thermo L Y2 C Cool Thermo Set Temp Actual Temp Open Circuit OFF Short Circuit ON Set Temp Actual Temp Short Circuit ON Open Circuit OFF Cooling Heating Siemen RAA20 Connect only heating line for heating only model And connect both heating and...

Page 73: ... No M L NC 8 N1 7 N2 6 M L NO 8 N1 7 N2 6 8 AC230V During pump down and force mode fix 3 ways valve in close condition Recommended Parts SFA 21 18 Siemens 12 17 Two Ways Valve Control Functionality of 2 ways valve Use to allow hot water to floor heating panel or block cold water to floor heating panel Control contents 1 When indoor running in heat mode OPEN the 2 ways valve 2 When indoor running i...

Page 74: ...ontrol Panel Power LED System Status ON ON ON ON ON OFF OFF OFF OFF ON ON OFF OFF OFF OFF OFF REMOTE ON ON ON ON OFF OFF UNIT OFF OFF OFF ON CONTROLLER During EXTERNAL SW OFF display EXT SW OFF LED REMOTE CONTROLLER SIGNAL EXTERNAL CONTROLLER SWITCH OPERATION ACTUAL HEATER BOOSTER QUIET SETTING STATUS SERVICE AUTO HEAT COOL TANK HEATER FORCE C C ON OFF MON TUE WED THU FRI SAT SUN hr hr kwh During ...

Page 75: ... can be set through control panel by selecting dry concrete menu o Parameters are possible to set up to 99 days with different target set temperature Control details o Dry concrete operation can be activate under Service Mode 3 o Once dry concrete function start day 1 setting temperature will be send to indoor unit by control panel o Unit will operate heat mode with dry concrete preset water outle...

Page 76: ...temperature rises to 95 C compressor will stop immediately 2 Compressor will restart delay 3 minutes when the IPM temperature decreases to 90 C If this condition repeats continuously 3 times within 30 minutes system will stop operation and OFF ON remote control LED will blink F22 error occurs B DC Peak Current Control 1 When the current to IPM exceeds set value of 39 0 5 0 A compressor will stop C...

Page 77: ...etection conditions o When abnormal high voltage detection 5V or when open circuit detection 0V for 5 seconds continuously After detection o When abnormality is detected continue 5 seconds unit stop operation o OFF ON remote control LED will blink H64 error occurs 13 1 8 Outside Temperature Current Control 13 1 9 Extreme Low Temperature Control Purpose To improve the compressor reliability during ...

Page 78: ...Operation 13 2 1 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 14 C in order to avoid compressor overloading 13 2 2 Deice Operation When outdoor pipe temperature and outdoor air temperature is low deice operation start where outdoor fan motor stop 13 2 3 Heat exchanger hot water coil protection control Backup heater ON condition...

Page 79: ...ressor starts Compressor frequency will adjust base on outdoor air Temperature 13 3 2 Freeze Prevention Control 1 1 When Mono bloc unit Water System heat exchanger temperature is lower than 0 C continuously for 10 seconds compressor will stop operating 2 Compressor will resume its operation three minutes after the Mono bloc unit Water System heat exchanger is higher than 1 C 3 Mono bloc unit heat ...

Page 80: ...e loss and type the water flow rate can be adjusted by remote control 1 When the Air to Water Heatpump is in stop operation press SERVICE button for 5 seconds 2 Press button to select menu S02 PUMP SPEED ADJUST MODE and press SET button to confirm the menu 3 Press SELECT button then press button to change pump speed and press SET button to confirm the pump speed 4 Press OFF ON button to exit PUMP ...

Page 81: ...h tighten the mounting screws properly if the pressure relief valve is functioning normal Pressure relief valve Lever Cover Turn up Pressure relief valve Mounting screws 3 Mono bloc unit control board area Thorough visual inspection of the control board and look for defects i e loose connection melting of wire insulator and etc 4 RCCB Ensure the RCCB set to ON condition before check RCCB Turn on t...

Page 82: ... from the system turn the plug on the air outlet anticlockwise by one complete turn from fully closed position Excessive air is automatically purged if the plug is kept in this position Plug turn anticlockwise by one complete turn Air purge valve 8 Expansion Vessel Pre Pressure Checking o Expansion Vessel with 6 L air capacity and initial pressure of 1 bar is installed in this Mono bloc unit o Tot...

Page 83: ...eld wiring have to be carried out at regular intervals This maintenance should be carried out by authorized dealer WARNING Do not add or replace other than R410A type It may cause product damage burst injury and etc Use compatible R410A tools for refrigerant piping work and refrigerant charging during installation or servicing ...

Page 84: ...no electrical problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Page 85: ...ressure Electric current during operation Low Pressure High Pressure Electric current during operation Water leakage or insufficient water flow rate in the system Excessive amount of refrigerant Inefficient compression Insufficient refrigerant gas leakage Outdoor heat exchange deficiency Clogged expansion valve or Strainer Carry out the measurements of pressure electric current and temperature fif...

Page 86: ...anel LED will blink 2 Error code of the abnormality will display on the control panel Timer display LCD 3 To determine the abnormality description the error code table needs to be referred To display past last error code 1 Turn ON power supply 2 Press and hold the CHECK button for more than 5 seconds to enter status mode 3 Press the SEARCH DOWN UP button to retrieve past last error code 4 Press th...

Page 87: ...n 1 min after starting operation Internal external cable connections Indoor Outdoor PCB H91 Tank heater OLP abnormality Continue for 60 sec Tank heater OLP Disconnection or activated H95 Indoor Outdoor wrong connection Indoor Outdoor supply voltage H98 Outdoor high pressure overload protection Outdoor high pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refri...

Page 88: ...oor heat exchanger temperature sensor defective or disconnected F43 Outdoor defrost sensor abnormality Continue for 5 sec Outdoor defrost sensor defective or disconnected F45 Indoor water outlet temperature sensor abnormality Continue for 5 sec Water outlet temperature sensor defective or disconnected F46 Outdoor Current Transformer open circuit Insufficient refrigerant Outdoor PCB Compressor low ...

Page 89: ...ration of cooling and heating the capability rank of indoor checked by the outdoor is used to determine connection capability rank abnormality Malfunction Caused 1 Wrong model interconnected 2 Wrong indoor unit or outdoor unit PCB main used 3 Faulty indoor unit or outdoor unit PCB main Abnormality Judgment Continue for 90 seconds ...

Page 90: ...During startup and operation of cooling and heating the temperatures detected by the compressor tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 91: ...abnormal water pump feedback of rotation 6 000rpm or 1 000rpm Malfunction Caused 1 Operation stop due to short circuit inside the water pump motor winding 2 Operation stop due to breaking of wire inside the water pump motor 3 Operation stop due to breaking of water pump lead wires 4 Operation stop due to water pump motor IPM malfunction 5 Operation error due to faulty indoor unit PCB Abnormality J...

Page 92: ... During startup and operation of cooling and heating the temperatures detected by the indoor refrigerant liquid temperature sensor are used to determine sensor error Malfunction Caused 6 Faulty connector connection 7 Faulty sensor 8 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 93: ...igerant pipe temperature 2 C b Present high pressure high pressure at compressor startup 5kg cm2 Judgment only for first time cooling operation and not during pump down operation Malfunction Caused 1 3 way valves closed 2 Faulty high pressure sensor 3 Faulty indoor refrigerant pipe temperature sensor 4 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 minutes ...

Page 94: ...ove 26 C is detected by the outdoor pipe temperature sensor Malfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve partially closed 4 Faulty outdoor unit fan motor 5 Refrigerant shortage refrigerant leakage 6 Clogged expansion valve or strainer 7 Faulty outdoor pipe temperature sensor 8 Faulty outdoor unit main PCB main ...

Page 95: ...etected by the indoor water flow switch is used to determine water flow error Malfunction Caused 1 Faulty water pump 2 Water leak in system 3 Faulty connector connection 4 Faulty water flow switch 5 Faulty indoor unit PCB main Abnormality Judgment Continue for 10 seconds but no judgment for 9 minutes after compressor startup restart ...

Page 96: ... Conditions During operation of cooling and heating when the outdoor high pressure sensor output signal is 0 Vdc or 5 Vdc Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 20 minutes ...

Page 97: ...ndoor 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 ...

Page 98: ...onditions When tank connection is set to ON the temperatures detected by the tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 99: ...cation Abnormality H76 Malfunction Decision Conditions During standby and operation of cooling and heating indoor control panel error occur Malfunction Caused 1 Faulty connector connection 2 Faulty control panel 3 Faulty indoor unit PCB main ...

Page 100: ...is normal Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty indoor unit PCB main 3 Indoor outdoor signal transmission error due to wrong wiring 4 Indoor outdoor signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units 5 Indoor outdoor signal transmission error due to disturbed power supply waveform Abnormality Judgment Continue for 1 m...

Page 101: ...ion Conditions During operation of tank booster heater and tank booster heater OLP open circuit Malfunction Caused 1 Faulty connector connection 2 Faulty tank booster heater overload protector OLP 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Page 102: ...tween Indoor and Outdoor H95 Malfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused 1 Insufficient power supply 2 Faulty outdoor unit PCB noise filter main ...

Page 103: ...ssure 4 0 MPa and above is detected by outdoor high pressure sensor Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 2 3 way closed 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor 8 Faulty outdoor unit PCB main ...

Page 104: ...door refrigerant liquid temperature 0 C Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 2 way valve partially closed 5 Clogged expansion valve or strainer 6 Refrigerant shortage refrigerant leakage 7 Faulty indoor refrigerant liquid temperature sensor 8 Faulty indoor unit PCB main ...

Page 105: ...alfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 Faulty water pump 4 Insufficient water flow rate in system 5 Water leak in system 6 2 3 way valve closed 7 Clogged expansion valve or strainer 8 Excessive refrigerant 9 Faulty outdoor high pressure sensor and switch 10 Faulty outdoor unit PCB Abnormality Judgment Continue 4 times in 20 mi...

Page 106: ... compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused 1 Compressor terminal disconnect 2 Faulty outdoor unit PCB main 3 Faulty compressor Abnormality Judgment Continue 4 times in 20 minutes ...

Page 107: ... fan motor feedback of rotation 2550 rpm or 50 rpm Malfunction Caused 1 Operation stop due to short circuit inside the fan motor winding 2 Operation stop due to breaking of wire inside the fan motor 3 Operation stop due to breaking of fan motor lead wires 4 Operation stop due to fan motor Hall IC malfunction 5 Operation error due to faulty outdoor unit PCB Abnormality Judgment Continue 2 times in ...

Page 108: ... operation of cooling and heating when outdoor current above 15 5 A Heating and 7 7 A Cooling is detected by the current transformer CT in the outdoor unit PCB Malfunction Caused 1 Excessive refrigerant 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 20 minutes ...

Page 109: ...ve 112 C is detected by the compressor tank temperature sensor Malfunction Caused 1 Faulty compressor tank temperature sensor 2 2 3 way valve closed 3 Refrigerant shortage refrigerant leakage 4 Clogged expansion valve or strainer 5 Faulty outdoor unit PCB main 6 Faulty compressor Abnormality Judgment Continue 4 times in 30 minutes ...

Page 110: ...onditions During operation of cooling and heating when temperature 95 C is detected by the outdoor IPM temperature sensor Malfunction Caused 1 Faulty outdoor unit fan motor 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 30 minutes ...

Page 111: ...ns During operation of cooling and heating when outdoor DC current is above 39 0 5 0 A is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB main Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty compressor Abnormality Judgment Continue for 7 times ...

Page 112: ...nlet temperature indoor refrigerant liquid temperature 5 C 4 During operation of heating indoor refrigerant liquid temperature water inlet temperature 5 C Malfunction Caused 1 Faulty water inlet or indoor refrigerant liquid temperature sensors 2 2 3 way valve closed 3 Refrigerant shortage refrigerant leakage 4 Clogged expansion valve or strainer 5 Faulty outdoor unit PCB main 6 Poor compression of...

Page 113: ... temperature of thermostat ON indoor unit 0 C 2 During cooling operation when the indoor pipe temperature of thermostat ON indoor unit 45 C Malfunction Caused 1 Faulty sensor 2 Faulty connector connection 3 Faulty outdoor unit PCB noise filter main 4 Faulty four way valve Abnormality Judgment Continue 4 times in 30 minutes ...

Page 114: ...l F27 Malfunction Decision Conditions During compressor stop and outdoor high pressure switch is remain opened Malfunction Caused 1 Faulty connector connection 2 Faulty switch 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 1 minute ...

Page 115: ... During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 116: ...s During startup and operation of cooling and heating the temperatures detected by the indoor water inlet temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 117: ... During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 118: ...ng operation of cooling and heating when the PFC protection circuitry in the outdoor unit PCB main senses abnormal high DC voltage level Malfunction Caused 1 Power supply surge 2 Compressor windings not uniform 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 10 minutes ...

Page 119: ... During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 120: ... During startup and operation of cooling and heating the temperatures detected by the outdoor defrost temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 121: ... During startup and operation of cooling and heating the temperatures detected by the indoor water outlet temperature sensor are used to determine sensor errors Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 122: ...r CT open circuit is detected by checking the compressor running frequency rated frequency and CT detected input current 0 65 A for continuously 20 seconds Malfunction Caused 1 CT defective 2 Faulty outdoor unit PCB main 3 Compressor defective low compression Abnormality Judgment Continue 3 times in 20 minutes ...

Page 123: ... above is detected by outdoor high pressure sensor Malfunction Caused 1 Dust accumulation in the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve closed 4 Faulty outdoor unit fan motor 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor 8 Faulty outdoor unit PCB main ...

Page 124: ...sult in electric shocks Be sure to switch off all the power supply before performing each of the below action 17 1 To Remove The Cabinet Front Plate Screws Cabinet Front Plate Screws 1 Remove 5 mounting screws 2 Slide the cabinet front plate downward to release the pawls Then pull it toward front to remove it 17 2 To Remove The Cabinet Top Plate Screws Screws Cabinet Top Plate 1 Remove the 12 moun...

Page 125: ...ar plate downward to release the pawls Then pull it out to remove it 2 Remove 5 mounting screws 3 Remove 6 mounting screws 1 Remove 2 mounting screws 17 4 To Remove Pressure Gauge Pressure Gauge 1 Remove 4 screws 2 Use spanner to release nut of pressure gauge 1 2 1 ...

Page 126: ...ews to remove RCCB 2 Disconnect 2 lead wires Black and White 17 6 To Remove Transformer Transformer 1 Disconnect 2 lead wire T1 T2 Black from the Electronic Controller Board 2 Disconnect connector CN T1 White from the Electronic Controller Board 3 Remove 4 screws to remove Transformer ...

Page 127: ...1 N White DATA Red HT1 L3 Red AC2 L3 Black AC2 N2 White ACL3 Black ACL BOOSTER Brown ACN B00STER2 White and ACL BOOSTER2 Black from the Terminal Board CN TH1 CN SOLAR CN FLOW CN THERMO G05 AC1 L3 G02 G02 DATA G04 CN T1 CN OLP1 CN TH2 CN TH3 CN OLP2 CN REMOTE2 CN PUMP2 G08 CN RCV2 CN V3 CN PWR CN V2 CN HT G01 AC1 N G07 3 Remove all the connectors from the Electronic Controller Electronic Controller...

Page 128: ...N PSW1 CN ACL CN ACN 2 Remove earth wire FG1 and FG2 Green 3 Disconnect all the connectors from the electronic control board 4 Remove 4 screws to remove the Control Board Complete 1 Remove lead wire AC BLK02 Black AC WHT02 White and COM3 Red from the terminal board Refrigerant System Main Electronic Control Board Noise Filter Electronic Control Board ...

Page 129: ...acking Pressure Relief Valve 1 Turn the Air Purge Valve anti clockwise then remove 2 Remove 2 retaining ring 3 Pull down to remove the water hose 4 Pull out to remove Pressure Relief Valve 17 10To Remove Flow Switch 1 Disconnect the connector of CN FLOW from the Electronic Controller Board 3 Lift up and pull outward to remove the flow switch 2 Remove 2 retaining ring Flow Switch When reinstall the...

Page 130: ...ove Water Pump 3 Remove 2 retaining ring then pull out the water pump 1 Disconnect CN PUMP2 connector from Electronic Controller Board 2 Loosen the nut When reinstall the water pipe use grease or water at the joining ...

Page 131: ...Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Outdoor Temperature C Outdoor Temperature C Input Power kW Outdoor Temperature C Capacity kW 0 000 1 000 2 000 3 000 4 000 5 000 6 000 15 11 7 3 1 5 9 13 17 21 25 2 000 3 000 4 000 5 000 6 000 7 000 8 000 15 11 7 3 1 5 9 13 17 21 25 ...

Page 132: ...re 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 000 1 000 2 000 3 000 4 000 5 000 18 21 24 27 30 33 36 39 42 45 0 000 1 000 2 000 3 000 4 000 5 000 6 000 18 21 24 27 30 33 36 39 42 45 ...

Page 133: ...e 35 C DBT C WBT Indoor water inlet temperature 19 C Indoor water outlet temperature 14 C Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 000 1 000 2 000 3 000 4 000 5 000 18 21 24 27 30 33 36 39 42 45 1 000 2 000 3 000 4 000 5 000 6 000 7 000 18 21 24 27 30 33 36 39 42 45 ...

Page 134: ...e 35 C DBT C WBT Indoor water inlet temperature 23 C Indoor water outlet temperature 18 C Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 000 1 000 2 000 3 000 4 000 5 000 18 21 24 27 30 33 36 39 42 45 1 000 2 000 3 000 4 000 5 000 6 000 7 000 18 21 24 27 30 33 36 39 42 45 ...

Page 135: ...510 4500 1645 4500 1780 4400 1940 4300 2100 2 4800 1220 4800 1280 4650 1400 4500 1520 4250 1620 4000 1720 7 5000 910 5000 985 5000 1130 5000 1260 5000 1445 5000 1630 25 5000 670 5000 710 5000 785 5000 860 5000 980 5000 1100 18 3 Cooling Capacity Table Water In C 12 19 23 Water Out C 7 14 18 Outdoor Air C Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W 18 1950 450 2200 45...

Page 136: ...136 19 Exploded View and Replacement Parts List 19 1 WH MDC05F3E5 Refrigerant System 46 61 50a 56 55 54a 57 58 59 67 67 66 53 50 1 60 28 22 ...

Page 137: ...137 21 26 23 11 9 7 20 5 1 6 24 68 25 70 73 13 12 10 4 4 27 2 3 4a 4a 8 62 75 49 48 ...

Page 138: ...138 29 44 36 31 72 38 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 139: ... o 28 CABINET REAR PLATE COMPLETE 1 CWE02C1062 29 CONTROL BOARD CASING 1 CWH10K1150 31 TERMINAL BOARD ASS Y 1 2 3 1 CWA28K1251 o 36 ELECTRONIC CO CAPACITOR 1 CWA746184 o 38 ELECTRONIC CO NOISE FILTER 1 CWA747839 o 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C8150R o 46 REACTOR 2 G0C592J00005 o 48 TERMINAL COVER 1 CWH171039A 49 NUT TERMINAL COVER 1 CWH7080300J 50 FAN MOTOR BRACKET 1 CWD54K1052 50a SCREW F...

Page 140: ...140 19 2 WH MDC05F3E5 Water System 18a 3 45 44 46 2 4 33 19 16 5 17 1 47 45 48 18 49 50 34 9 43 42 ...

Page 141: ... 39 24 20 31 30 27 21 25 26 29 O I 38 54 55 56 52 51 52 53 53 32 32a 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 142: ... O 31 SENSOR COMPLETE CN TH1 1 CWA50C2816 O 32 REMOTE CONTROL COMPLETE 1 CWA75C4466 O 32a REMOTE CONTROL CABLE 1 CWA221090 33 PRESSURE GAUGE 1 CWB070001 O 34 PRESSURE RELIEF VALVE 1 CWB621092 38 OPERATING INSTRUCTION 1 CWF569400 39 OPERATING INSTRUCTION 1 CWF569417 40 INSTALLATION INSTRUCTION 1 CWF616165 42 TUBE CONNECTOR 1 CWT01C6777 43 TUBE CONNECTOR COMPLETE 1 CWT01C6778 44 CONTROL BOARD COVER ...

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