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16. Troubleshooting

Guide

16.1 Refrigeration Cycle System

In order to diagnose malfunctions, make sure that there
are 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.

Value of electric

current during operation

Lower than specified

Higher than specified

Heating Mode

Low

Low

Low

Gas side
pressure

Water leakage or insufficient

water flow rate in the system

●

Measuring electric current
during operation

●

Measuring gas side pressure

Excessive amount

of refrigerant

Inefficient compressor

Insufficient refrigerant

Clogged strainer or

expansion valve

Normal Pressure (Standard)

Gas pressure

MPa (kg/cm

2

G)

Heating Mode

1.4 ~ 1.8 (14 ~ 18)



Condition: • Outdoor temperature 7°C at

heating mode.

• Compressor operates at

rated frequency.

• Water outlet temperature

35°C at heating mode.

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Содержание WH-MHF09G3E5

Страница 1: ...cians technical individ epaired only by is service infor TION OF LOW gerant leakage ETY NOTIC rtant for safety arts List It is es zards Do not NG s only and is n duals of potent y experienced rmation by anyo TEMPERATU during the inst CE These parts a ssential that the modify the orig ot designed for tial dangers in professional te one else could RE tallation or repa Panaso Order No Mono WH M WH M ...

Страница 2: ...trol Optional 68 12 16Three Ways Valve Control 69 12 17External OFF ON Control 69 12 18Holiday Mode 70 12 19Dry Concrete Function 70 13 Protection Control 71 13 1 Protection Control for All Operations 71 13 2 Protection Control for Heating Operation 73 14 Servicing Mode 75 14 1 Remove The Cabinet Front Plate 75 14 2 Test Run 75 14 3 Proper Pump Down Procedure 75 14 4 How To Adjust Water Flow Rate ...

Страница 3: ...not tie up the power supply cord into a bundle by band Abnormal temperature rise on power supply cord may happen 4 Do not insert your fingers or other objects into the unit high speed rotating fan may cause injury 5 Do not sit or step on the unit you may fall down accidentally 6 Keep plastic bag packaging material away from small children it may cause suffocation 7 Do not use pipe wrench to instal...

Страница 4: ...stallation 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 fire 4 Do not touch the sharp aluminum fins or edges of metal parts If you are required to handle ...

Страница 5: ... rpm 490 Top Fan 530 Bottom Fan Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51 18 Size W H L mm 903 7 1295 4 38 1 Item Unit Mono Bloc Unit Dimension Height mm inch 1410 55 1 2 Width mm inch 1283 50 1 2 Depth mm inch 320 12 19 32 Net Weight kg lbs 151 333 Noise Level dB A 49 Power Level dB 66 Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Powe...

Страница 6: ...tor No of Speed 7 Software Selection Input Power W 58 Hot Water Coil Type Brazed Plate No of Plates 80 Size W x H x L mm 130 93 325 Water Flow Rate l min m 3 h 25 8 1 5 Pressure Relief Valve Water Circuit kPa Open 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Device A Residual Current Circuit Breaker 40 Expansion Vessel Volume I 10 MWP bar 3 Capacity of Integrated Electric He...

Страница 7: ...0 Top Fan 550 Bottom Fan Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51 18 Size W H L mm 903 7 1295 4 38 1 Item Unit Mono Bloc Unit Dimension Height mm inch 1410 55 1 2 Width mm inch 1283 50 1 2 Depth mm inch 320 12 19 32 Net Weight kg lbs 151 333 Noise Level dB A 50 Power Level dB 67 Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power kW 2 ...

Страница 8: ...tor No of Speed 7 Software Selection Input Power W 72 Hot Water Coil Type Brazed Plate No of Plates 80 Size W x H x L mm 130 93 325 Water Flow Rate l min m 3 h 34 4 2 1 Pressure Relief Valve Water Circuit kPa Open 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Device A Residual Current Circuit Breaker 40 Expansion Vessel Volume I 10 MWP bar 3 Capacity of Integrated Electric He...

Страница 9: ...everse cycle Inner protector to protect compressor Serviceability Improvement Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Service Mode Button for servicing purpose Front maintenance design for mono bloc unit Operation Condition Water outlet temperature C Ambient temperature C HEATING Maximum 65 35 Minimum 25 20 NOTICE When the outdoor temperature is o...

Страница 10: ...10 4 Location of Controls and Components 4 1 Mono Bloc Unit Air inlet rear Air outlet Air inlet side Handle 2 pieces front and 2 pieces behind Cabinet Front Plate Top Plate ...

Страница 11: ... Pump Station cable 2 x min 0 5mm2 Component name 1 PCB 2 Pressure relief valve 3 Flow switch 4 Pressure gauge 5 Water pump 6 RCCB 7 Bushing 8 Cabinet front plate 9 Cabinet top plate 0 Overload protector a Heater assembly b Expansion vessel c Cover d Air purge valve Connector name g Water inlet h Water outlet VIEW WITHOUT COVER DETAIL Ag DETAIL Ah FOR WH MHF12G6E5 WITHOUT OLP COVER FOR WH MHF09G3E...

Страница 12: ... r Heater Act n indicates bo m Setting Mod n indicates th m Status Chec n indicates th m Service Mo n indicates th maintain the u stops the mo he unit is in o ontroller Con external therm est OFF ON I orce heater re bled Disable ackup heater or uiet mode op or ank mode ope Indicator eating mode N Indicator uto mode OF solar display perature abo Caution displa g Display weekly schedu emperature out...

Страница 13: ...Connection To select whether or not to connect to the optional room thermostat 2 Backup Heater Selection To reduce the heater power if unnecessary Options of kW vary depending on the model 9 kW 3 kW 6 kW 9 kW 3 Water System Freeze Prevention To activate or deactivate the water freeze prevention when the system is OFF 4 Tank Connection To select whether or not to connect to the optional water tank ...

Страница 14: ...n Temperature To set the temperature of sterilisation 14 Continuation of Sterilisation To maintain heating temperature in order to complete the sterilisation 10 minutes 5 minutes 1 hour 15 Base Pan Heater To select whether or not to connect to the optional base pan heater Note If NO is selected menu 16 is skipped 16 Base Pan Heater type Type A The base pan heater activates only during deice operat...

Страница 15: ...peration the and buttons are not in use User Turn on or off the system Press When the system is ON the operation LED is lit and the actual water outlet temperature and outdoor ambient temperature are shown on the display User Select operation mode Press to select operation mode HEAT turned ON or OFF The mono bloc unit provides heat to the The panel floor HEAT operation is either system HEAT TANK T...

Страница 16: ... mode The display shows SETTING 2 Press or to select a menu 3 Press to enter the menu 4 Press or to set the desired temperature 5 Press to confirm the setting Repeat steps 2 to 5 to set other menus Menu Default setting Temperature setting Display Setting of low outdoor ambient temperature HEAT Setting of high outdoor ambient temperature Setting of water outlet temperature at low outdoor ambient te...

Страница 17: ...VICE 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 af...

Страница 18: ...de and press to enter day setting 2 Press or until your desired day is shown press to confirm your selection 3 Press or to check the set programmes To modify current timer programme or add new timer programme 1 s p e t s m r o f r e P 1 to 7 of Weekly timer setting to modify existing timer programme or add any timer programme To cancel current timer programme 1 Press to enter day 2 Press or until ...

Страница 19: ... shows 3 Press Press to select day or to set the desired temperature 4 Press to confirm the selection 5 Repeat step 3 and 4 to set other days and temperature Press to exit To Reset the Remote Control to Default Setting 1 Press continuously for 5 seconds The operation is off during this period 2 The display shows for 2 seconds for confirmation After 2 seconds it goes to normal display ...

Страница 20: ...20 5 Dimensions 5 1 Mono Bloc Unit 579 400 356 154 1410 615 426 5 175 275 413 30 c c 70 277 320 152 1283 256 30 293 318 5 50 45 45 45 83 5 Unit mm Top View Front View Back View Side View Side View ...

Страница 21: ... Pressure Relief Valve Air Purge Valve Water Flow Switch Water Pump Water Inlet Connect to Sanitary Tank Water Outlet Connect to Sanitary Tank Drain Refrigerant Cycle Water Cycle Heat Exchanger Heat Exchanger Strainer Strainer Subcooler 4 Way Valve Gas Side 3 Way Valve Liquid Side 3 Way Valve Pressure Switch High Pressure Sensor Compressor Discharge Temp Sensor Compressor Water Pressure Gauge Capi...

Страница 22: ...Outlet Mono bloc Unit Remote Control Room Thermo Optional Fan Coil Unit Heating 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 ...

Страница 23: ...0Hz FUSE1 RY V201 SOLAR 3 WAYS VALVE SOLAR M 1 M 1 M 1 MS 3 RY V3 3 WAYS VALVE SSR1 WATER PUMP NOISE FILTER NOISE FILTER NOISE FILTER SC SC BACKUP HEATER RY HT L3 REACTOR RELAY FUSE2 FUSE1 CAPACITOR CIRCUIT PFC CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT 1 2 3 M M BASE PAN HEATER RY HT2 RY HOT 4 WAYS VALVE CRANKCASE HE ATER RY HT1 NOISE FILTER BOOSTER HEATER RELAY ...

Страница 24: ...V201 SOLAR 3 WAYS VALVE SOLAR M 1 M 1 M 1 MS 3 RY V3 3 WAYS VALVE SSR1 WATER PUMP NOISE FILTER NOISE FILTER NOISE FILTER SC SC BACKUP HEATER RY HT L3 RY HT L2 REACTOR RELAY FUSE2 FUSE1 CAPACITOR CIRCUIT PFC CIRCUI T RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT 1 2 3 M M BASE PAN HEATER RY HT2 RY HOT 4 WAYS VALVE CRANKCASE HE ATER RY HT1 NOISE FILTER BOOSTER HEATER RELAY ...

Страница 25: ...L RED DATA G04 GRN HT1 L3 RED AC2 L3 BLK AC2 N2 WHT SURGE PROTECTION CIRCUIT SIGNAL DETECTION CIRCUIT ACN BOOSTER WHT t 80 3 C CN OLP1 WHT 2 1 B B TERMINAL BOARD REFRIGERANT SYSTEM BACKUP HEATER R OLP 80 3 C BL R 1 1 BL BL BL BL W L1 N1 W GROUNDING TERMINAL BOARD ELCB T3 G 3 1 1 1 BL BL 2 2 1 1 2 2 A B SIGNAL DETECTION CIRCUIT R BR O BL Y R BR O BL Y CONTROL PANEL SURGE PROTECTION CIRCUIT GRN G01 ...

Страница 26: ... L3 BLK AC2 N2 WHT SURGE PROTECTION CIRCUIT SIGNAL DETECTION CIRCUIT ACN BOOSTER WHT t 80 3 C CN OLP1 WHT 2 1 B B TERMINAL BOARD REFRIGERANT SYSTEM BACKUP HEATER O R 80 3 C O OLP 80 3 C BL R BL BL BL W BL W L1 N1 W GROUNDING TERMINAL BOARD ELCB T3 Y G G 3 1 1 1 BL BL 2 2 CN HT WHT O 1 1 2 2 3 3 2 2 1 1 A B SIGNAL DETECTION CIRCUIT R BR O BL Y R BR O BL Y CONTROL PANEL SURGE PROTECTION CIRCUIT GRN ...

Страница 27: ...HIT E B L CAPACITOR ELECTRONIC CONTROLLER A C C B LA CK B 1 CN ACL A C B LK 01 O P TIONA L 4 REA CTO R W G R W RE LA Y 6 W RY HOT FG 2 GREE N BL BL BL DCN OUT ELECTRONIC CONTROLLER SUB CN AC N BLAC K FG 1 G REE N WHITE B LA CK A C B LK CN B LK B LA CK CN W HT CIRCUIT W R B B Y R BR Y W HIT E HEA T E R CIRCUIT W HITE CIRCUIT R LOW PRESSURE SENSOR HIGH PRESSURE SENSOR 2 3 1 BL 4 CN LPS BLUE CN HOT B...

Страница 28: ...T ACN BOOSTER WHT t 80 3 C CN OLP1 WHT 2 1 B B TERMINAL BOARD REFRIGERANT SYSTEM BACKUP HEATER R OLP 80 3 C BL R 1 1 BL BL BL BL W L1 N1 W GROUNDING TERMINAL BOARD ELCB T3 G 3 1 1 1 BL BL 2 2 1 1 2 2 A B SIGNAL DETECTION CIRCUIT R BR O BL Y R BR O BL Y CONTROL PANEL SURGE PROTECTION CIRCUIT GRN G01 RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT ELECTRONIC CONTROLLER MAIN CN TH3 WHT 1 2 t HEX WATER OU...

Страница 29: ...P HEATER O R 80 3 C O OLP 80 3 C BL R BL BL BL W BL W L1 N1 W GROUNDING TERMINAL BOARD ELCB T3 Y G G 3 1 1 1 BL BL 2 2 CN HT WHT O 1 1 2 2 3 3 2 2 1 1 A B SIGNAL DETECTION CIRCUIT R BR O BL Y R BR O BL Y CONTROL PANEL SURGE PROTECTION CIRCUIT GRN G01 RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT ELECTRONIC CONTROLLER MAIN CN TH3 WHT 1 2 t HEX WATER OUTLET TEMP SENSOR THERMISTOR 20k 3950 BR BL L1 WHT...

Страница 30: ...NSOR 2 3 1 BL CN LPS BLUE CN HOT BLUE CN HT1 WHITE CN HT2 BLACK AC BLK02 BLACK AC WHT02 WHITE COM3 RED CN HPS RED W R ELECTRO 5 TERMINAL BOARD TERMI WATER SYSTEM NAL BOARD t t t t t t 3 1 2 A W V U RED BLUE COMPRESSOR TERMINAL REFER TO TERMINAL COVER FOR WIRE INSERT YELLOW R103 7 50k 1 5V 5V C46 1µ 6 3V C45 1µ 6 3V R100 15 0k 1 R386 7 50k 1 5V C47 1µ 6 3V R102 4 99k 1 13V R139 5 6k R138 5 6k C65 0...

Страница 31: ...oard 10 1 Water system 10 1 1 Main Printed Circuit Board CN TH1 CN SOLAR CN FLOW CN THERMO G05 DATA G07 AC1 L3 AC1 L1 AC1 L2 G04 CN OLP1 CN T1 CN TH2 CN TH3 CN OLP2 CN REMOTE2 CN PUMP2 G08 CN RCV2 CN V3 G03 CN PWR CN HT AC1 N ...

Страница 32: ...32 10 1 2 Solar Printed Circuit Board Optional ACL PUMP L PUMP N CN SOLAR_B ACL1 3V ACL2 3V ACN 3V ACN ...

Страница 33: ...33 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board CN TH3 CN DIS AC BLK02 AC WHT02 COM3 CN HOT CN PSW1 CN HT1 CN HT2 CN EV2 CN TH2 CN RY1 CN HPS CN FM1 CN FM2 CN TH1 CN EV CN LPS ...

Страница 34: ...34 10 2 2 Noise Filter Printed Circuit Board 10 2 3 Capacitor Printed Circuit Board CN ACL AC BLK CN ACN AC WHT CN BLK CN WHT FG2 FG1 DCN IN DCP IN DCN OUT AC C ...

Страница 35: ...imension Diagram Front view Bottom view Rear view 50 83 5 45 45 45 24 5 273 400 980 150 28 413 275 175 320 1283 39 1410 1340 20 Water Outlet Pipe Water Inlet Pipe 3 0 0 m m o r m o r e 300mm or more 1000mm or more 100mm or more Drain hose connector ...

Страница 36: ...ller cable 2 x min 0 5mm2 Solar Three way Valve cable 3 x min 0 5mm2 Solar Pump Station cable 2 x min 0 5mm2 Component name 1 PCB 2 Pressure relief valve 3 Flow switch 4 Pressure gauge 5 Water pump 6 RCCB 7 Bushing 8 Cabinet front plate 9 Cabinet top plate 0 Overload protector a Heater assembly b Expansion vessel c Cover d Air purge valve Connector name g Water inlet h Water outlet VIEW WITHOUT CO...

Страница 37: ...If Mono bloc unit installed near 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 preventi...

Страница 38: ... water inlet of the Mono bloc unit Refer to Diagram 3 1 for pipe connection of Radiator Floor Heater Tank Unit Solar Pump Station 3 way Valve Kit and etc Fail to connect the pipes appropriately might cause the unit malfunction Choose proper sealer which can withstand the pressures and temperatures of the system Make sure to use two spanners to tighten the connection Tighten the nuts with torque wr...

Страница 39: ... and power supply 2 cord 3 x 4 0 mm2 type designation 60245 IEC 57 or heavier 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 a bushing located at the right hand side of the mono bloc unit before being connected to the terminal block The bushing must be use...

Страница 40: ...ed NO necessary for tank OLP please connect jumper between terminal no 13 and 14 7 Tank Sensor shall be resistance type please refer to Graph 4 1 for the characteristic and details of sensor Its cable shall be 2 min 0 3 mm2 double insulation layer with insulation strength of min 30V of PVC sheathed or polychloroprene sheathed cable 8 External Controller shall be connected to 1 pole switch with min...

Страница 41: ...pacity at the interface point is sufficient for the installation of the equipment The equipment s power supply 2 complies with IEC EN 61000 3 12 The equipment s power supply 2 complies with IEC EN 61000 3 11 and shall be connected to suitable supply network with the following maximum permissible system impedance Zmax 0 257 Ω at the interface Please liaise with supply authority to ensure that the p...

Страница 42: ... sure to install a water trap above the cable Otherwise it will cause the electrical shock CAUTION Install in a flat surface to avoid warping of remote control else damage to the LCD case or operation problems may result Avoid installing the remote control cable near refrigerant pipes or water pipes else will cause electrical shock or fire Install the remote control cable at least 5 cm away from e...

Страница 43: ...he screws provided 5 Do not over tighten the screws as it may result in damage to the lower case A If Remote Control Cable Is Embedded 1 Embed an outlet box JIS C 8336 into the wall Outlet box may be purchased 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 ...

Страница 44: ...ng the remote control Otherwise it will cause the electrical shock 1 Remove the cabinet front plate 2 Connect the remote control cable with the provided connector as shown in below illustration Refer wiring diagram for detail 3 Guide the remote control cable through the clamper and Bushing 7 Refer illustration How to connect Remote Control to Provided Connector for detail 4 Reinstall the cabinet f...

Страница 45: ...it drain water If the unit is used in an area where temperature falls below 0 C for 2 or 3 consecutive days it is recommended not to use the Drain elbow 1 and Rubber cap 2 for the drain water freezes and the fan will not rotate 1 Remove the 5 mounting screws as shown in the illustration 2 Slide the cabinet front plate downward to release the pawls Then pull it toward front to remove it Remove The ...

Страница 46: ... will mperature is ume when O Operation de heating ca tch and fix to ollow normal te follow norm erates follow ens rol crocomputer er for maximu et temperatur pressor at mo udging the c mperature etting temper epending on e used as inte to the unit et Temperatu minutes if the gered 3 C Outdoor Am high outdoo l turn OFF w s set by contr utdoor ambie apacity to roo o heating side l heating ope mal o...

Страница 47: ...C 2 Tank temperature THERMO OFF TEMP for continuous 10 seconds after heat pump OFF water pump OFF or 3 Tank temperature Tank set temperature 2 C for continuously 20 seconds o THERMO ON TEMP 1 THERMO ON TEMP Tank water set temperature 8 C When detect tank temperature THERMO ON TEMP water pump ON for 3 minutes then heat pump ON Characteristic of heat pump thermo ON OFF under Tank Mode condition Wate...

Страница 48: ... Booster heater turns ON after DELAY TIMER 2 When tank temperature lower than HEATER ON TEMP 3 20 minutes from previous heater OFF o Booster heater turns OFF CONDITION 1 When tank temperature higher than tank set temperature for continuous 15 seconds Solar 3 way valve o Solar pump operates follow solar operation specification 2 way valve closes Other o Indoor backup heater cannot be ON during tank...

Страница 49: ...o room side Heat pump and water pump turn OFF IF o External Room Thermo ON back OR Under Solar 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 Judge only after heat pump THERMO OFF THERMO ON and THERMO OFF point refer to case below Operatio...

Страница 50: ...econds heat pump OFF water pump continue ON o Next THERMO ON TEMP 1 THERMO ON TEMP Water inlet temperature 65 C 2 If water inlet temperature THERMO ON TEMP AND External Room Thermo OFF heat pump ON Solar Operation Condition Only during solar priority is set 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 ...

Страница 51: ...r Request OFF T1 Backup heater delay time T2 Booster heater delay time Tank Heat Pump Thermo On Tank Heat Pump Thermo Off Room Thermo OFF Room Thermo On switch to room side Room Thermo On Off 3 ways valve On Off Heat Pump On Off Water Pump On Off Backup Heater On Off Booster Heater On Off Solar Request On Off Solar Valve On Off T1 Backup heater delay time T2 Booster heater delay time Room Thermo O...

Страница 52: ...ank set temperature or 60 C whichever lower Heat pump Water Outlet set temperature is set to 63 C during tank interval Initial Tank THERMO ON TEMP heat pump tank target temperature 8 C Tank thermo ON OFF characteristic o THERMO OFF TEMP 1 THERMO OFF TEMP Heat pump tank target temperature 0 C 2 Tank temperature THERMO OFF TEMP for continuous 10 seconds after heat pump off due to water thermo switch...

Страница 53: ...Once switch from heating heat up interval to tank heat up interval turn OFF the booster heater and start counting the BOOSTER HEATER DELAY TIMER Booster heater turn ON after BOOSTER HEATER DELAY TIMER fulfill and tank temperature lower than tank set temperature BOOSTER HEATER DELAY TIMER is clear when switch to heating heat up interval 5 Solar 3 way valve o Solar 3WV operates follow solar operates...

Страница 54: ...oster Heater ON OFF Solar Request Solar Valve ON OFF ON OFF T1 Room thermo OFF Start with tank mode first Tank thermo OFF End Heat pump thermo OFF Switch to tank heat up when room thermo OFF Go in tank interval only after solar OFF Heat pump OFF at room side when room thermo OFF and high tank temp Solar request ON Booster heater OFF after achieve tank temp T1 T1 T2 T2 T2 T2 ...

Страница 55: ...heat up when room thermo OFF Tank thermo OFF End Heat pump thermo OFF Heat pump OFF at room side when room thermo OFF and high tank temp Solar request ON Booster heater OFF after achieve tank temp Solar valve close when heat pump switch to tank Room Thermo ON OFF 3 way valve 2 way valve Heat Pump Water Pump Backup Heater Booster Heater Solar Request Solar Valve ON OFF ON OFF ON OFF ON OFF ON OFF O...

Страница 56: ...are ignored during PUMPDW ON Switches are ignored during STATUS ON SELECT switch are ignored if SETTING OFF CANCEL switch is ignored if SETTING OFF STATUS OFF If SET Switch pressed for less than 5secs immediately enter water temperature shift setting mode Once enter this setting mode SETTING display is ON This setting mode is used to easily shift the target water outlet temperature Outdoor Temp Wa...

Страница 57: ...tes If water flow level is detected low continuously 10 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 shall be continuously running The water pump will remain ON when compressor OFF due to thermostat OFF setting ...

Страница 58: ... SELECT button then press button to change SPEED and press SET to confirm 4 Press OFF ON button to quit setting Note Before adjust the water flow rate make sure that the total water volume in the installation is minimum 50 litres for heating side Please ensure the minimum flow rate is not less than 13l min and not more than 50l min Power for drive DC280 373V Power for control DC15 10 Control Signa...

Страница 59: ...lve 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 into the Mono Bloc unit Controls 1 Press the SERVICE S W f...

Страница 60: ...or continuously 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 Mono Bloc unit safety control checking is restarted 12 6 Auto Restart Control 1 When the power supply is cut off during the operation of Mono Bloc unit the compressor will re operate after power supply resumes 12 7 Indication Panel LED Operation Color Green L...

Страница 61: ...dition 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 Backup ...

Страница 62: ...al 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 operation is ON Control contents o Base pan heater is ON during deice opera...

Страница 63: ... 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 o...

Страница 64: ...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...

Страница 65: ...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 a 3 way valve operates if all of the following conditions are fulfilled Power On regardless operation ON or OFF There is operation request from solar pump station Tank ...

Страница 66: ...T condition tank side 3 way valve Heatpump Booster heater Solar request Solar 3 way valve On Off On Off On Off On Off Solar off due to upper limit tank side 3 way valve Heatpump Booster heater Solar request Solar 3 way valve On Off On Off On Off On Off Solar off due to upper limit Booster heater Thermo Off Heat pump Thermo Off ...

Страница 67: ...d switch 3 way valve to the room side and start a heating cooling interval 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 thermo on heat pump T1 T1 Heating T2 Tank interval T3 Booster heater delay timer tank side 3 way valve room side Heatpump On Off...

Страница 68: ...pen Circuit OFF Short Circuit ON Set Temp Actual Temp Short Circuit ON Open Circuit OFF Control Content External room thermostat control activate only when remote thermostat connection select YES by control panel When indoor running heat mode refer thermo On Off from heating line feedback And when indoor running cool mode refer thermo On Off from cooling line feedback Heat pump Off immediately whe...

Страница 69: ...ing pump down and force mode fix 3 ways valve in close condition Recommended Parts SFA 21 18 Siemens 12 17 External OFF ON Control Communication circuit between Mono Bloc unit and external controller is as per below Maximum length of communication cable is 20 meter Control content External Control Switch Control Panel OFF ON Control Panel Power LED System Status ON ON ON ON ON OFF OFF OFF OFF ON O...

Страница 70: ...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 by control panel o Unit will operate heat mode with dry concrete preset water outlet temperature No shift value added to the preset water outlet temperature o After complete day 1 setup operat...

Страница 71: ...ue of 34 A compressor will stop Compressor will restart after three minutes 2 If the set value exceeds again for more than 30 seconds after the compressor restarts operation will restart after two minutes 3 If the set value exceeds again for within 30 seconds after the compressor restarts operation will restart after one minute If this condition repeats continuously for seven times system will sto...

Страница 72: ...detection When abnormality is detected 4 times within 120 minutes unit stop operation OFF ON control panel LED will blink H63 H64 error occurs 13 1 8 Outside Temperature Current Control 13 1 9 Crank Case Heater Control Purpose For compressor protection during low outdoor ambient operation during heating low temperature operation Control content a Trigger heater START condition o When the outdoor a...

Страница 73: ...re is more than 50 C unit will operate deice mode 1 2 When water inlet temperature is less than 27 C unit will operate deice mode 2 3 When water inlet temperature is less than 50 C and outdoor ambient temperature is less than 10 C unit will operate deice mode 2 4 When water outlet temperature sensor 2 detect temperature is less than 22 C unit will operate deice mode 2 30 30 20 10 0 10 20 30 25 20 ...

Страница 74: ... ON OFF OFF ON ON Free 5 7 6 4 9 8 3 2 1 ON ON Free Free max 9 minutes 30 seconds deice 1 OD fan OD fan Main Expansion valve Bypass Expansion valve Four way valve Sequence Pump Gas Bypass SV Compressor Deice mode 2 max 30 minutes Normal Deice 4 6 N O N O F F O OFF OFF 0 ON ON OFF Free Free Free Free ON OFF OFF 1 2 3 4 5 6 7 8 Heating operation ...

Страница 75: ... reading should be in between 0 05 MPa and 0 3 MPa If necessary adjust the water pump speed accordingly to obtain normal water pressure operating range If adjust water pump speed cannot solve the problem contact your local authorized dealer 5 After test run please clean the external filter Reinstall it after finish cleaning 14 3 Proper Pump Down Procedure Strictly follow the steps below for proper...

Страница 76: ...FORCE button In AIR PURGE function the pump will operate ON and OFF for 10 minutes to purge the air in the hydraulic system Press again the FORCE button to exit AIR PURGE function PUMP SPEED ADJUST MODE will stop operation 14 5 Expansion Vessel Pre Pressure Checking Expansion Vessel with 10 L air capacity and initial pressure of 1 bar is installed in this Mono bloc unit Total amount of water in sy...

Страница 77: ... combination of few SW s for certain time as shown These 3 SW s should press continuously for 5secs Operation should be OFF during this period 3 When this condition is activated default data should be written in EEPROM 4 Once the default data is written in the EEPROM the following full LCD display should be ON for 2secs for confirmation After 2secs it goes back to normal display OPERATION ACTUAL ...

Страница 78: ...ound due to cking finish ed out from t ten the mou at all high po ovided inside tlet anticlock ged if the plu control board N condition ono bloc uni hen power is Lever T Pre Air pu 78 asonal inspec nance should Pa with inspe ation instruct unting screw e relief valve o water drain the unit swit nting screws ints in a clos e the indoor u kwise by one g is kept in t d and look fo before chec it supp...

Страница 79: ...e th WATER IN e tube conne y so that not sh the residu the original l ow to rese 79 WARNI test button when B ELCB The B ELCB mal o Bloc unit the lever to ose to preve steps to res n gently in or rotector follow basic he tube conn Refer to fig ector nut t deforms it s e on the filte ocation and et Overload Loca Wate Con ING n the power is s e lever would function ON again a ent the water et it rder...

Страница 80: ... in the table on the right Value of electric current during operation Lower than specified Higher than specified Heating Mode Low Low Low Gas side pressure Water leakage or insufficient water flow rate in the system Measuring electric current during operation Measuring gas side pressure Excessive amount of refrigerant Inefficient compressor Insufficient refrigerant Clogged strainer or expansion va...

Страница 81: ...ent during operation Water leakage or insufficient water flow rate in the system Excessive amount of refrigerant Inefficient compression Insufficient refrigerant gas leakage Mono Bloc unit refrigerant system heat exchange deficiency Clogged expansion valve or Strainer Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started ...

Страница 82: ... an abnormality occurs system will stop operation and OFF ON remote control LED will blink 2 Error code of the abnormality will display on the remote control 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 Pre...

Страница 83: ...ote control communication abnormality Indoor control panel defective or disconnected H90 Indoor outdoor abnormal communication 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 ...

Страница 84: ...emperature sensor abnormality Continue for 5 sec Outdoor 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...

Страница 85: ... 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 Troubleshooting Match the compatible model Check indoor and outdoor units model number Matched compatibility Is the indoor and outdoor model number matched Check the spare part numbers of the indoor and outdoor unit PCBs and compare with their Part Lists No ...

Страница 86: ...or Replace 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 Discharg...

Страница 87: ...p Turn OFF the power Check if the water pump connector connection normal Disconnect the water pump connector CN PUMP2 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...

Страница 88: ...place 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 Indoor Refrigerant Liquid Water Inlet Water Outlet Sensor Characteristic 10 0 10 20 30 40 50 50 60 70...

Страница 89: ...nt breakdown always switch off the power before remove and connect the component Open the 3 way valve Replace the indoor ref pipe temperature sensor Defect in outdoor unit PCB main Replace the outdoor unit PCB main Defect in outdoor high pressure sensor Replace the outdoor high pressure sensor Check the 3 way valves Is the 3 way valve closed Check for clogged expansion valve or strainer Is the exp...

Страница 90: ...xchanger Check the outdoor unit fan motor operation Is the outdoor unit fan motor operate normally Check for gas leakage Is the oil oozing out from the 2 3 way valve Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice formed Reclaim and recharge for a specified amount of fresh refrigerant Is the outdoor unit heat exchanger dirty Check the outdoor air passag...

Страница 91: ...t the component Check the system water pump Is the CN FLOW connector connection normal Is there any continuity Check the system water 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 water flow switch Replace the indoor water flow switch Defect in indoor unit PCB mai...

Страница 92: ...nection Check the continuity of the outdoor unit PCB main high pressure sensor connector CN LPS Plug out connector from the outdoor unit PCB main Measure the continuity pin 2 3 GND and pin 2 4 5 V of CN LPS Is the CN LPS connector connection normal Is the measured voltage 0Vdc or 5Vdc Reconnect the low pressure sensor connector to the outdoor unit PCB main Turn ON the power and run the system Meas...

Страница 93: ...ction 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 system Mea...

Страница 94: ... Relocate secondary pump to buffer tank so that it does not circulate water to indoor unit during deice This error occurs during deice operation Is secondary pump installed directly to the indoor unit Flow switch defective YES Replace flow switch YES NO Flow switch remain ON check flow switch direction and continuity NO Replace indoor PCB For safety reason and to prevent component breakdown always...

Страница 95: ...heck 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 conne...

Страница 96: ... assembly 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 an...

Страница 97: ...on Turn OFF the power Check the connector connection Check the DC voltage from the indoor unit PCB main Plug out connector from the indoor unit PCB main Turn ON the power Measure the DC voltage pin 1 4 of CN REMOTE Is the CN REMOTE connector connection normal Is the remote controller voltage 5Vdc pin 1 4 generated Check the remote control cable connection Is the remote control cable connection nor...

Страница 98: ...r 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 60Vdc Is the Vdc fluctuate between 15 60Vdc Turn OFF the power and disconnect te...

Страница 99: ... a test pen to push this button to reset OLP Multimeter to measure continuity Is the abnormality happened during operation of tank booster heater Defect in indoor unit PCB main Replace the indoor unit PCB main Connector poor contact Correct the connection Defect in tank booster heater OLP Replace tank booster heater OLP Defect in indoor unit PCB main Replace the indoor unit PCB main Is the CN OLP1...

Страница 100: ...ain Defect in outdoor unit PCB main Replace the outdoor unit PCB main Connector poor contact Correct the connection Check the AC voltage from outdoor unit PCB noise filter Turn OFF the power Plug out connector AC BLK CN BLK CN WHT from the outdoor unit PCB noise filter Turn ON the power Measure the AC voltage between AC BLK CN WHT Check the AC voltage supply to outdoor unit PCB main Turn OFF the p...

Страница 101: ... Check the 2 3 way valve Is 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 th...

Страница 102: ...er Is the expansion valve or strainer clogged ice formed Check refrigerant amount Is the additional refrigerant amount filled correctly Does it conform to the sensor characteristic chart Check the indoor refrigerant liquid temperature sensor Yes Yes Yes Yes Yes Yes Yes Is the water pump working Check the system water flow rate Check the system water passage Is there any water leakage Check the 2 w...

Страница 103: ... 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 to sys...

Страница 104: ... U V and W connector connection at outdoor unit PCB main and compressor terminal From the disconnected harnesses U V and W connect them to the inverter checker Turn ON the power and operate the system Check the inverter checker 6 LEDs blinking condition Is the connector connection normal Is the blinking of the 6 LEDs in same sequence condition Disconnect the harnesses U V and W from the compressor...

Страница 105: ... before remove and connect the component Turn OFF the power and disconnect the fan motor connector Turn ON the power Check the output of the fan motor from outdoor unit PCB main Is the fan motor power supply voltage 325Vdc pin 1 4 generated Is the fan motor control voltage 15Vdc pin 5 4 generated Operate the fan motor is the rotation command voltage 1 5Vdc pin 7 4 generated Does the fan rotate smo...

Страница 106: ...bnormality Judgment Continue 3 times in 20 minutes Get restarted and measure the AC current from the outdoor LIVE terminal Is the measured AC current over 27 9 A No Replace the outdoor unit PCB main Reclaim and recharge with correct amount of refrigerant Replace the outdoor unit PCB main Check refrigerant amount Excess refrigerant Yes No Yes Troubleshooting For safety reason and to prevent compone...

Страница 107: ...ove 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 Is th...

Страница 108: ...mality Judgment Continue 3 times in 30 minutes Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the outdoor unit installation condition Is there any improper heat radiation Is the outdoor unit fan motor operating Reinstall the outdoor unit Remove the obstacle s Replace the outdoor unit fan motor Defect in...

Страница 109: ...the winding resistance 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 un...

Страница 110: ...omponent breakdown always switch off the power before remove and connect the component Check the water inlet and indoor ref liquid temperature sensors Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice formed Reclaim and recharge for a specified amount of fresh refrigerant Is abnormality happened again Does it conform to the sensor characteristic chart Che...

Страница 111: ... of the CN HOT connector Check the continuity of the four way valve coil Is the voltage supply to four way valve 230Vac Disconnect the harness from the CN HOT connector Resistance between harness about 1 52 kohm Measure AC voltage supply to CN HOT pin 1 3 during heating operation Does it conform to the sensor characteristic chart Is F25 occur during heating operation Is the four way valve coil ene...

Страница 112: ...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...

Страница 113: ... Inlet 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...

Страница 114: ...e Air Sensor Characteristic 10 0 10 20 30 40 50 50 60 70 80 90 100 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 outdoor air temperature sensor Replace the outdoor air temperature sensor Defect in outdoor unit PCB main Replace the outdoor unit PC...

Страница 115: ...r 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 Rep...

Страница 116: ... Sensor Characteristic 10 0 10 20 30 40 50 150 200 250 300 350 100 50 0 Temperature C Resistance K No No Yes Yes Check the CN DIS connector connnection Turn OFF the power Check the connector connection Connector poor contact Correct the connection Defect in outdoor discharge pipe temperature sensor Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB main Replace the ou...

Страница 117: ...before remove and connect the component Yes Yes No No No Yes Check the supply voltage Are the compressor s winding resistance U V V W U W uniform Check the compressor winding resistance Turn OFF the power supply and disconnect the harnesses U V and W Measure the winding resistance between U V V W and W U Correct the power supply Replace the compressor Replace the outdoor unit PCB main Defect in PF...

Страница 118: ... Outdoor Defrost Sensor Characteristic 10 0 10 20 30 40 50 15 20 25 30 10 5 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 outdoor pipe temperature sensor Replace the outdoor pipe temperature sensor Defect in outdoor unit PCB main Replace the outdoor unit PCB...

Страница 119: ...oor Defrost Sensor Characteristic 10 0 10 20 30 40 50 15 20 25 30 10 5 0 Temperature C Resistance K No No Yes Yes Check the CN TH2 connector connnection Turn OFF the power Check the connector connection Connector poor contact Correct the connection Defect in outdoor defrost temperature sensor Replace the outdoor defrost temperature sensor Defect in outdoor unit PCB main Replace the outdoor unit PC...

Страница 120: ... 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 Re...

Страница 121: ...ing operation When F46 occurs again turn OFF the power Replace the pipe flare or union nuts Reclaim and recharge refrigerant While the system is still in heating operation further check by touching if Compressor discharge pipe is cold Compressor body is warm to confirm the compressor low compression Measure the current from the outdoor LIVE terminal While the system is still in heating operation c...

Страница 122: ... refrigerant amount Is the expansion valve or strainer clogged ice formed Is the additional refrigerant amount filled correctly Check for clogged expansion valve or strainer Clean the heat exchanger Yes Yes Yes Yes No No No Yes Yes No No No Replace the outdoor unit fan motor and or outdoor unit PCB main Reclaim and recharge with correct amount of refrigerant Replace the expansion valve and or stra...

Страница 123: ...Failure to heed this caution may result 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 17 2 To Remove The Cabinet Top Plate 2 Slide the cabinet front plate downward to release the pawls Then pull it toward front to remove it 1 Remove 5 mounting screws 2 Lift the cabinet top plate upward to remove it 1 ...

Страница 124: ... it out to remove it 3 Remove 7 mounting screws 1 Remove 2 mounting screws 2 Remove 2 mounting screws 4 Remove 2 mounting screws 1 Remove 2 screws 2 Use spanner to release nut of pressure gauge RCCB 4 Remove screws to remove RCCB 3 Disconnect the 2 lead wire Black and White 1 Disconnect the 2 lead wire Black and White 2 Disconnect the 2 lead wire Black and White ...

Страница 125: ...remove screw to remove Electronic Controller Board Electronic Controller Board 3 Disconnect all connectors of CN TH2 WHT CN TH1 WHT CN BOOSTER BLU CN OLP2 WHT CN PUMP1 GRN CN RCV WHT CN V3 GRN CN FLOW YLW CN REMOTE WHT CN THERMO WHT DATA RED G02 GRN AC3 L1 BLK G01 GRN G04 GRN AC2 L3 BLK HT1 L2 ORG HT1 L3 RED CN OLP1 WHT and CN HT WHT from the Electronic Controller Board 3 Pull outward to remove Pr...

Страница 126: ...t the joining Make sure plug is fully close in clockwise direction Apply some water based grease on packing surface before fix with shut off valve Packing 3 Loosen the nut Water Pump 2 Remove the screw from the particular plate 4 Remove 2 retaining rings then pull out the Water Pump 1 Disconnect CN PUMP2 connector ...

Страница 127: ...er pipe use grease or water at the joining 2 Remove the retaining ring 3 Loosen 2 nuts 1 Remove the OLP terminal cover then detached lead wire HT1 L2 orange and AC2 L3 black from the OLP terminal 4 Remove 4 screws to remove the Bottle Complete Bottle Complete ...

Страница 128: ...erature Condition o Outdoor air temperature 7 C DBT 6 C WBT o Indoor water inlet temperature 30 C o Indoor water outlet temperature 35 C Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 15 12 9 6 3 0 3 6 9 12 6 000 7 000 8 000 9 000 10 000 11 000 15 12 9 6 3 0 3 6 9 12 ...

Страница 129: ...r air temperature 7 C DBT 6 C WBT o Indoor water inlet temperature 30 C o Indoor water outlet temperature 35 C Outdoor Temperature C Outdoor Temperature C Input Power kW 15 12 9 6 3 0 3 6 9 12 9 000 10 000 11 000 12 000 13 000 14 000 Capacity kW 1 500 2 500 3 500 4 500 5 500 6 500 15 12 9 6 3 0 3 6 9 12 ...

Страница 130: ...000 1520 9000 1700 9000 1880 9000 2160 9000 2630 9000 3200 is tested with dT 8 C is tested with dT 10 C 18 2 2 WH MHF12G6E5 Water Out C 30 35 40 45 55 65 Outdoor Air C Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W Capacity W Input Power W 15 12000 5160 12000 5530 11000 5510 10800 5490 9700 5520 8000 5610 7 12000 4430 12...

Страница 131: ...131 19 Exploded View and Replacement Parts List 19 1 Refrigerant System 61 50 53 52 55 59 57 58 56 54 52 55 56 60 25 51 28 67 46 76 81 67 58 66 80 ...

Страница 132: ...132 8 25 6 30 68 24 71 13 62 75 10 12 1 3 15 4 2 15 4 20 21 5 71 8 77 7 23 26 14 78 9 11 13 ...

Страница 133: ...133 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 A B B A 38 29 44 22 31 72 36 79 ...

Страница 134: ...8 CABINET REAR PLATE COMPLETE 1 CWE02K1019A 29 CONTROL BOARD CASING 1 CWH10K1049 30 SENSOR COMP DEFROST TEMP CN TH2 1 CWA50C2577 O 31 TERMINAL BOARD ASS Y 1 2 3 1 CWA28K1213 O 36 ELECTRONIC CO CAPACITOR 1 CWA747853 O 38 ELECTRONIC CO NOISE FILTER 1 CWA747856 O 44 ELECTRONIC CONTROLLER MAIN 1 ACXA73C00010R ACXA73C00020R O 46 REACTOR 1 G0C592J00006 O 50 FAN MOTOR BRACKET 1 CWD54K1084 51 SCREW FAN MO...

Страница 135: ...HF12G6E5 REMARK 79 TERMINAL BOARD ASS Y U V W A 1 CWA28K1334 O 80 SOUND PROOF MATERIAL 1 CWG302598 O 81 SOUND PROOF MATERIAL 1 CWG302599 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 136: ...136 19 2 Water System 2 45 44 46 34 17 16 4 1 45 47 3 18 36 33 9 35 19 43 ...

Страница 137: ...ote The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts I I O I O I 32 31 30 27 20 29 28 26 25 21 38 39 40 22 32A 48 ...

Страница 138: ...5 16 17 18 1 CWA28K1222 O 29 CIRCUIT BREAKER 2 CWA181005 O 30 TRANSFORMER COMPLETE 1 CWA40C1096 O 31 SENSOR COMP WATER IN OUT REF TEMP CN TH1 1 CWA50C2749 O 32 REMOTE CONTROL COMPLETE WITH CABLE 15000 mm 1 CWA75C4631 O 32A REMOTE CONTROL CABLE 450 mm 1 CWA221090 33 PRESSURE GAUGE 1 CWB070001 O 34 PRESSURE RELIEF VALVE 1 CWB621092 35 AIR PURGE VALVE 1 CWB621094 36 SENSOR COMP HEX WATER OUTLET CN TH...

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