Panasonic WH-SDC12F6E5 Service Manual Download Page 105 | Manualshive

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105

17. Troubleshooting

Guide

17.1 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.

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Summary of Contents for WH-SDC12F6E5

Page 1: ...cuit WARNING This service information 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 serv...

Page 2: ...ntrol 92 13 17Two Ways Valve Control 92 13 18External OFF ON Control 93 13 19Holiday Mode 94 13 20Dry Concrete Function 94 14 Protection Control 95 14 1 Protection Control for All Operations 95 14 2 Protection Control for Heating Operation 97 14 3 Protection Control for Cooling Operation 99 15 Servicing Guide 100 15 1 How to Take Out Front Plate 100 15 2 How to Take Out Side Cabinet 100 15 3 Test ...

Page 3: ...ctrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 10 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electric shock in case equipment breakdown or insulation breakdown 11 Do not use joint cable for indoor outdoor connection cable...

Page 4: ...ry if carried by one person 4 Do not touch outdoor unit air inlet and aluminium fin It may cause injury 5 Select an installation location which is easy for maintenance 6 Pb free solder has a higher melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set i...

Page 5: ...efrigeration Oil cm 3 FV50S 1200 Refrigerant R410A kg oz 2 55 90 0 Height mm inch 1340 52 3 4 Width mm inch 900 35 7 16 Dimension Depth mm inch 320 12 19 32 Net Weight kg lbs 101 223 Liquid mm inch 9 52 3 8 Pipe Diameter Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 50 0 5 Refrigeration ...

Page 6: ...trol Item Unit Indoor Unit Performance Test Condition EUROVENT Outdoor Ambient C Cooling 16 43 Heating 20 35 Operation Range Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 23 1 Heating 33 0 Condition Ambient Water A35W7 A7W35 A2W35 dB A Cooling 33 Cooling 33 Noise Level Power Level dB Cooling 46 Cooling 46 Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Dim...

Page 7: ...2 C and water outlet temperature of 7 C Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 C Specification are subjected to change without prior notice for further improvement Flow rate indicated are based on nominal capacity adjustment of leav...

Page 8: ...tion Oil cm 3 FV50S 1200 Refrigerant R410A kg oz 2 55 90 0 Height mm inch 1340 52 3 4 Width mm inch 900 35 7 16 Dimension Depth mm inch 320 12 19 32 Net Weight kg lbs 101 223 Liquid mm inch 9 52 3 8 Pipe Diameter Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge L...

Page 9: ...Unit Indoor Unit Performance Test Condition EUROVENT Outdoor Ambient C Cooling 16 43 Heating 20 35 Operation Range Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 31 5 Heating 45 0 Condition Ambient Water A35W7 A7W35 A2W35 dB A Cooling 33 Cooling 33 Noise Level Power Level dB Cooling 46 Cooling 46 Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Dimension Dep...

Page 10: ...12 C and water outlet temperature of 7 C Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 C Specification are subjected to change without prior notice for further improvement Flow rate indicated are based on nominal capacity adjustment of lea...

Page 11: ...ation Oil cm 3 FV50S 1200 Refrigerant R410A kg oz 2 55 90 0 Height mm inch 1340 52 3 4 Width mm inch 900 35 7 16 Dimension Depth mm inch 320 12 19 32 Net Weight kg lbs 101 223 Liquid mm inch 9 52 3 8 Pipe Diameter Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge ...

Page 12: ...Unit Indoor Unit Performance Test Condition EUROVENT Outdoor Ambient C Cooling 16 43 Heating 20 35 Operation Range Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 35 2 Heating 58 0 Condition Ambient Water A35W7 A7W35 A2W35 dB A Cooling 33 Heating 33 Noise Level Power Level dB Cooling 46 Heating 46 Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Dimension Dep...

Page 13: ...12 C and water outlet temperature of 7 C Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 C Specification are subjected to change without prior notice for further improvement Flow rate indicated are based on nominal capacity adjustment of lea...

Page 14: ...ete function Weekly timer setting A class energy efficiency pump Water pump speed can be set by selection at control panel Improved deice cycle Protection Feature Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Serviceability Feature Breakdown Self Diagnosis function System Status Che...

Page 15: ...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 Display This LCD show the outdoor ambient temperature Water Outlet Temperature Display This LCD show the water outlet temperature Backup Heater Actual OFF ON Indicator This ic...

Page 16: ...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 17: ...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 18: ...own 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 outdoor unit provi...

Page 19: ... 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 20: ...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 21: ...r timer mode and press to enter day setting 2 s s e r P or until your desired day is shown press to confirm your selection 3 s s e r P or to check the set programmes To modify current timer programme or add new timer programme 1 Perform steps 1 to 7 of Weekly timer setting to modify existing timer programme or add any timer programme To cancel current timer programme 1 s s e r P to enter day 2 s s...

Page 22: ...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 23: ... Water pump 7 1 1 phase RCCB ELCB 7 2 6 5 4 3 2 1 e d c b a 15 14 13 12 11 10 9 8 1 phase RCCB ELCB Cabinet front plate Cabinet Handle 2 pieces Overload protector 3 pieces Heater assembly Expansion vessel Bushing Air purge valve Connector name Water Outlet Gas Refrigerant Liquid Refrigerant Water drainage Water inlet d c e b a 14 ...

Page 24: ...24 4 2 Outdoor Unit Air inlet rear Air outlet Air inlet side ...

Page 25: ... 155 97 157 171 57 Relative position between the indoor unit and the installation plate Front View Top View Front View Side View Bottom View 502 116 496 353 360 17 41 4 2 6 74 9 110 5 6 4 0 140 7 306 4 140 7 63 63 213 5 213 5 490 52 5 Installation Plate 6 6 Indoor unit external dimensions line 3 1 5 H O L E Unit mm ...

Page 26: ...26 5 2 Outdoor Unit Unit mm Top View Front View Side View 900 400 320 355 900 318 5 253 218 165 243 1340 615 320 40 40 20 110 356 5 Side view Back view 30 ...

Page 27: ...ng Water Cycle Refrigerant Cycle Cooling Heat Exchanger Heat Exchanger Strainer Strainer 4 Way Valve Gas Side 3 Way Valve Liquid Side 3 Way Valve 2 Way Valve Accumulator in out Pressure Switch High Pressure Sensor Compressor Discharge Temp Sensor Compressor Tank Temp Sensor Compressor Water Pressure Gauge Capillary Tube Muffler Expansion Valve Piping size Model Gas Liquid Rated Length m Max Elevat...

Page 28: ...er Outlet Indoor Unit Room Thermo Fan Coil Unit Heating Cooling Panel Heater Unit Heating Floor Heating Panel Heating Cold Water Supply Connect to Indoor Unit 3 Way Valve 2 Way Valve OLP Heater 1 3kW THs Buffer Tank Unit Solar Unit THt HEX ...

Page 29: ... 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 CIRCUI T RY HT L3 RY HT L2 BACKUP HEATER BOOSTER HEATER RY BOOSTER REACTOR RELAY FUSE2 FUSE1 CAPACITOR CIRCUIT PFC CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT 1 2 3 M M M BASE PAN HEATER RY HT2 RY HOT 4 WAYS VALVE RY V1 2 WAYS VALVE CRANKCASE HE ATER RY HT1 ...

Page 30: ...L BOARD BACKUP HEATER OLP 80 3 C 1 R 2 2 1 1 2 1 2 3 3 W W O O BL R AC2 L2 YLW HT1 L2 ORG O Y W TERMINAL BOARD CN OLP1 WHT B B OLP 80 3 C 1 2 CN FLOW YLW CN TH1 WHT CN TH3 WHT CN TH2 WHT CN OLP2 WHT CN RCV2 WHT CN V3 GRN CN THERMO WHT CN REMOTE2 WHT FLOW SWITCH WATER OUTLET TEMP SENSOR THERMISTOR WATER INLET TEMP SENSOR THERMISTOR REFRIGERANT TEMP SENSOR THERMISTOR CONTROL PANEL BL R BR O BL Y 2 1...

Page 31: ... W G CN WHT WHITE RED DCP CN EV 6 2 CN RY1 SWITCHING POWER SUPPLY CIRCUIT RECTIFICATION CIRCUIT PFC CIRCUIT DCN IN AC C BLUE DCN BLACK 2 DCN 2 BLACK FUSE 1 CN FM2 WHITE 1 4 7 7 4 2 CN FM1 CN PS W1 LOWER FAN MOTOR BLACK V U U RED P N V BLUE RED TO BLUE BLACK 3 2 WAY VA LVE MS R 1 DC P IN WHITE BL CAPACITOR ELECTRONIC CONTROLLER AC C BLACK B 1 CN ACL RY V1 AC BLK01 OPTIONAL 4 REA CTOR W GR W RELAY 6...

Page 32: ...BR W BL BR 12 11 10 2 WAY VALVE N OPEN CLOSE 3 WAY VALVE N OPEN CLOSE 9 8 7 SIGNAL DETECTION CIRCUIT TERMINAL BOARD TERMINAL BOARD CN V2 WHT 1 3 5 3 2 1 6 5 4 ELCB POWER SUPPLY 1 Single phase AC230V 50Hz 230V 30A l n 30mA L N BL W ACN BOOSTER2 BLK SURGE PROTECTION CIRCUIT 12V_2 CN SOLAR WHT C3 1µ 16V C10 0 1µ 16V R9 10k R100 1k C6 100µ 25V 5V 1 2 3 4 5 6 7 22 17 14 R137 1k 18 R138 1k 15 CN OLP1 WH...

Page 33: ...TOR 50kΩ 3950 t CN TANK WHITE 1 3 5V C175 1µ 6 3V 657 R363 4 99k 1 1 10W DISCHARGE TEMP SENSOR THERMISTOR 50kΩ 3950 t CN DIS WHITE 1 2 5V C47 1µ 6 3V 100 R102 4 99k 1 1 10W 5V 90 R100 15 0k 1 1 10W R101 7 50k 1 1 10W C46 1µ 6 3V C45 1µ 6 3V CN TH1 WHITE 1 2 3 4 OUTDOOR AIR OUTLET TEMP SENSOR THERMISTOR 15kΩ 3950 t t 97 98 99 1 2 DEFROST TEMP SENSOR THERMISTOR 4 96kΩ 3800 t CN TH2 BLUE C49 C48 R104...

Page 34: ...10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board CN TH1 CN SOLAR CN FLOW CN T1 CN THERMO G05 G07 G08 CN OLP1 CN TH2 CN TH3 CN OLP2 CN REMOTE2 CN PUMP2 CN RCV2 CN V3 CN PWR CN V2 ...

Page 35: ...35 10 1 2 Solar Printed Circuit Board Optional ...

Page 36: ...tdoor Unit 10 2 1 Main Printed Circuit Board CN TH3 CN TH1 CN RY1 CN V1 COM3 DCN2 DCP AC WHT02 AC BLK02 CN HOT CN PSW1 CN HT1 CN HT2 CN HPS CN TANK CN FM1 AC L DCN AC C AC BLK01 CN TH2 CN WHT CN FM2 CN DIS CN EV ...

Page 37: ...37 10 2 2 Noise Filter Printed Circuit Board CN BLK CN WHT AC BLK CN ACL CN ACN FG1 FG2 10 2 3 Capacitor Printed Circuit Board ...

Page 38: ...ace 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 fitting model number K KYZP15C If piping length is over 10 m additional refrigerant should be added as shown in the table Example If piping l...

Page 39: ...r Unit 1 When connecting solar pump station cable between indoor unit and solar pump station the distance between both apparatuses shall be 2 8 meters and the maximum length of 10 meter only Failure to do so may lead to abnormal operation to the system 2 Engage the slots on the indoor unit to the hooks of installation plate Ensure the hooks are properly seated on the installation plate by moving i...

Page 40: ...r tightening cause water leakage 11 3 3 3 Insulation Mount the PS foam and long banding strap to water inlet and outlet connectors as shown in below illustration Water Connector PS Foam 7 Water Connector Long Banding Strap PS Foam 7 8 11 3 3 4 Indoor Unit Refrigerant Pipe Installation 1 Please make flare after inserting flare nut located at joint portion of tube assembly onto the copper pipe In ca...

Page 41: ...door unit before being connected to the terminal block The bushing must be used and must not be removed Indoor unit Outdoor unit connection 1 2 3 2 3 1 L N N L Power Supply 1 Terminal on the outdoor unit Colour of wires Connecting cables Terminal on the indoor unit Power Supply Cord Terminals on the isolating device from power supply Disconnecting means L1 N1 L1 N1 Power Supply 2 Connecting with e...

Page 42: ...ber sheathed cable Strongly recommended install with maximum length of 10 meter only Tank OLP Cable Terminals on the indoor Lead wire cord 1 2 3 4 5 6 Three way Valve Cable Two way Valve Cable Solar Pump Station Cable External Controller Cable 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Booster Heater Cord Room Thermostat Cable Solar Three way Valve Cable Only if Solar Connection PCB installed...

Page 43: ...11 3 4 2 Connecting Requirement The equipment s power supply 1 complies with IEC EN 61000 3 12 provided that the short circuit power Ssc is greater than or equal to 1200 kW for WH SDC12F6E5 UD12FE5 at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator...

Page 44: ...ping to valves and then tighten with torque wrench to the specified torque as stated in the table Local pipes can project in any of four directions Make holes in the pipe panels for the pipes to pass through Be sure to install the pipe panels to prevent rain from getting inside the outdoor unit Removing the service panel 1 Remove the three mounting screws 2 Slide the service panel downward to rele...

Page 45: ...ce port 2 Connect the center hose of the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa Then evacuate the air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that th...

Page 46: ...that they do not touch other parts such as the compressor and bare copper pipes 6 Install back the control board cover Outdoor Unit Banding strap Field Supply Cord clamp Indoor outdoor unit terminal board Connecting cable refer below diagram for its guiding 11 4 4 1 Wire Stripping and Connecting Requirement Same as indoor requirement For details please refer the diagram on AIR TO WATER HEATPUMP IN...

Page 47: ...he 8 holes ø20 mm with Rubber cap refer to illustration below o use a tray field supply when necessary to dispose the outdoor unit drain water Rubber cap Drain elbow 8 2 5 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 and Rubber cap for the drain water freezes and the fan will not rotate ...

Page 48: ... 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 fitting model number K KYZP15C If piping length is over 10 m additional refrigerant should be added as shown in the table Example If pipin...

Page 49: ...r Unit 4 When connecting solar pump station cable between indoor unit and solar pump station the distance between both apparatuses shall be 2 8 meters and the maximum length of 10 meter only Failure to do so may lead to abnormal operation to the system 5 Engage the slots on the indoor unit to the hooks of installation plate Ensure the hooks are properly seated on the installation plate by moving i...

Page 50: ...ightening cause water leakage 12 3 3 3 Insulation Mount the PS foam and long banding strap to water inlet and outlet connectors as shown in below illustration Water Connector PS Foam 7 Water Connector Long Banding Strap PS Foam 7 8 12 3 3 4 Indoor Unit Refrigerant Pipe Installation 1 Please make flare after inserting flare nut located at joint portion of tube assembly onto the copper pipe In case ...

Page 51: ...door unit before being connected to the terminal block The bushing must be used and must not be removed Indoor unit Outdoor unit connection 1 2 3 2 3 1 L N N L Power Supply 1 Terminal on the outdoor unit Colour of wires Connecting cables Terminal on the indoor unit Power Supply Cord Terminals on the isolating device from power supply Disconnecting means L1 N1 L1 N1 Power Supply 2 Connecting with e...

Page 52: ...ber sheathed cable Strongly recommended install with maximum length of 10 meter only Tank OLP Cable Terminals on the indoor Lead wire cord 1 2 3 4 5 6 Three way Valve Cable Two way Valve Cable Solar Pump Station Cable External Controller Cable 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Booster Heater Cord Room Thermostat Cable Solar Three way Valve Cable Only if Solar Connection PCB installed...

Page 53: ...3 4 2 Connecting Requirement The equipment s power supply 1 complies with IEC EN 61000 3 12 provided that the short circuit power Ssc is greater than or equal to 1200 kW for WH SDC14 16F6E5 UD14 16FE5 at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network opera...

Page 54: ... piping to valves and then tighten with torque wrench to the specified torque as stated in the table Local pipes can project in any of four directions Make holes in the pipe panels for the pipes to pass through Be sure to install the pipe panels to prevent rain from getting inside the outdoor unit Removing the service panel 1 Remove the three mounting screws 2 Slide the service panel downward to r...

Page 55: ...ce port 2 Connect the center hose of the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa Then evacuate the air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that th...

Page 56: ...that they do not touch other parts such as the compressor and bare copper pipes 6 Install back the control board cover Outdoor Unit Banding strap Field Supply Cord clamp Indoor outdoor unit terminal board Connecting cable refer below diagram for its guiding 12 4 4 1 Wire Stripping and Connecting Requirement Same as indoor requirement For details please refer the diagram on AIR TO WATER HEATPUMP IN...

Page 57: ...he 8 holes ø20 mm with Rubber cap refer to illustration below o use a tray field supply when necessary to dispose the outdoor unit drain water Rubber cap Drain elbow 8 2 5 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 and Rubber cap for the drain water freezes and the fan will not rotate ...

Page 58: ...upplied to the unit 13 1 2 Heating Operation 13 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 13 1 2 2 Thermostat Control Outdoor Ambient Temperature Stops pro...

Page 59: ...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 60: ...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 61: ...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 62: ...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 63: ...63 57 C 57 C 57 C 57 C ...

Page 64: ...64 ...

Page 65: ...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 66: ...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 67: ...67 Heat Tank Mode Heating priority set Under Solar Priority Set Condition Under Solar Priority Not Set Condition ...

Page 68: ...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 69: ... 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 70: ...70 ...

Page 71: ...71 ...

Page 72: ...72 57 C 57 C 50 C 50 C ...

Page 73: ...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 74: ... 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 75: ...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 76: ...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 77: ...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 78: ... 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 13 1 10 Outdoor Fan Motor Op...

Page 79: ... 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 80: ...just the water flow rate Depend on the hyraulic system pressure 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 WH SDC12F6E5 WH SDC14 16F6E5 Note Before adjust the water f...

Page 81: ...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 13 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 82: ...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 13 6 Auto Restart Control 1 When the power supply is cut off during the operation of Air to Water Heatpump the compressor w...

Page 83: ...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 84: ... TIMER can be set by control panel 13 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 85: ...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 13 12 Quiet Operation Purpose o To provide quiet operation compare to normal ...

Page 86: ...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 87: ...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 88: ...88 Solar Operation Chart in different mode and condition Tank Mode Solar Priority SET condition Tank Mode Solar Priority NOT SET condition ...

Page 89: ...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 90: ...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 91: ... 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 92: ... 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 13 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 93: ...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 94: ... 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 95: ...1 28 0 25 1 28 0 26 1 28 0 Cooling 16 1 28 0 19 8 28 0 22 8 28 0 A DC Peak Current Control 1 When the current to IPM exceeds set value 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 th...

Page 96: ...ously After detection When abnormality is detected 4 times within 120 minutes unit stop operation OFF ON control panel LED will blink H64 error occurs 14 1 7 Outside Temperature Current Control 23 C 21 C 14 C 12 C 25 C 28 C Compressor stop Outdoor temperature Max current value is regulated 14 1 8 Crank Case Heater Control Purpose For compressor protection during low outdoor ambient operation durin...

Page 97: ...emperature C 3 Heating accumulation time 1 Outdoor air sensor temp 2 Outdoor pipe sensor temp Deice start depends Deice mode selection condition o There are 2 deice modes according to water inlet temperature and outdoor ambient temperature the deice mode is decided 50 C 27 C 10 C Water inlet temperature Outdoor ambient temperature Deice mode 1 Deice mode 2 Judgement details 1 When water inlet temp...

Page 98: ...e 5 7 6 4 9 8 3 2 1 ON ON Free Free max 9 minutes 30 seconds deice 1 b Deice mode 2 control 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 OFF ON ON OFF OFF 0 ON ON OFF Free Free Free Free ON OFF OFF 1 2 3 4 5 6 7 8 Heating operation ...

Page 99: ...n 1 minute after the compressor starts Compressor frequency will adjust base on outdoor air temperature 14 3 2 Freeze Prevention Control 1 1 When indoor 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 indoor heat exchanger is higher than 1 C 3 Indoor heat exchanger freeze preventi...

Page 100: ...mounting screws on the left right and top of the side cabinet 3 Gently remove the side cabinet by holding both of the handles 15 3 Test Run 1 Fill up the boiler tank with water For details refer to boiler tanks installation instruction and operation instruction 2 Set ON to the indoor unit and RCCB ELCB Then for control panel s operation please refers to air to water heatpump s operation instructio...

Page 101: ...s SELECT button then press button to change SPEED and press SET to confirm 4 Press OFF ON button to exit PUMP SPEED ADJUST MODE During PUMP SPEED ADJUST MODE we can select AIR PURGE function by pressing 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...

Page 102: ... button to quit setting 15 9 EEPROM Factory Default Data Setup Procedure 1 This process should be done at Gemstar and or PAPAMY as the last process after any inspection 2 This condition should be activated by pressing 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 defau...

Page 103: ...er Turn up pressure relief valve How to check 3 Air purge valve Air purge valve must be installed at all high points in a closed water circuit system An automatic air purge valve is provided inside the indoor unit To automatically purge the air 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 ...

Page 104: ...re water inlet connector of indoor unit indicated with WATER IN Refer to figure below o Use spanner to detach the tube connector nut o Take out the filter carefully so that not deforms it shape o Use tap water only to wash the residue on the filter If necessary gently use soft brush only to clean the hard dirt o After clean put it back to the original location and tighten the nut connection with t...

Page 105: ... 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 106: ...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 107: ...panel 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 t...

Page 108: ...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 109: ...door 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 110: ...eration 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 111: ... 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 112: ... 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 ...

Page 113: ... 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 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 114: ...rigerant 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 115: ...bove 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 116: ...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 117: ...n 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 118: ...e water flow 10l min detected by the water flow switch is used to determine deice circulation error Malfunction Caused 1 Water flow in air to water heatpump indoor unit circuitry 2 Faulty indoor unit water flow switch 3 Faulty indoor unit water pump 4 Faulty indoor unit PCB Abnormality Judgment Continue for 10 seconds ...

Page 119: ...indoor backup heater when no power supplies to indoor backup heater or OLP open circuit Malfunction Caused 1 Faulty power supply connector connection 2 Faulty connector connection 3 Faulty indoor backup heater overload protector OLP 4 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Page 120: ...Conditions 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 121: ...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 122: ...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 123: ...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 124: ...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 125: ...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 126: ...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 127: ...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 128: ... 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 129: ... 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 130: ...rrent above 24 1 A Heating and 16 1 A Cooling UD12FE5 25 1 A Heating and 19 8 A Cooling UD14FE5 and 26 1 A Heating and 22 8 A Cooling UD16FE5 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 131: ...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 132: ...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 133: ...tions During operation of cooling and heating when outdoor DC current is above 34 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 134: ...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 135: ... 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 136: ...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 137: ...ons During startup and operation of cooling and heating the temperatures detected by the indoor water outlet temperature sensor 2 are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB Abnormality Judgment Continue for 5 seconds ...

Page 138: ... 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 139: ...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 140: ... 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 141: ...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 142: ... 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 143: ... 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 144: ... 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 145: ...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 146: ... 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 147: ...ting screws which located at bottom of the front plate and 1 mounting screw at the front of the plate 2 Gently pull the lower section of the front plate towards you to remove the front plate from left and right hooks 3 Hold the left edge and right edge of front plate to lift up front plate from hooks When reinstalling the front plate first set the 2 hooks which located at the top of front plate in...

Page 148: ...ve 3 screws then use spanner to release nut of Pressure Gauge 18 4 To Remove Control Panel Control Panel 1 Disconnect the connector Electronic Controller Board from the Electronic Controller of CN REMOTE2 WHT Board 2 Remove 5 screws to remove Control Panel ...

Page 149: ...149 18 5 To Remove RCCB RCCB 2 Disconnect 2 lead wires 3 Remove screws to remove RCCB Black and White 1 Disconnect 2 lead wires Black and White ...

Page 150: ...N G03 GRN AC2 L2 YLW HT1 L2 ORG HT1 L3 RED AC2 L3 BLK AC2 N2 WHT ACN BOOSTER WHT ACL3 BLK ACL BOOSTER BRN ACN BOOSTER2 WHT ACL BOOSTER2 BLK 2 Remove 3 screws to remove Transformer Electronic Controller Board Transformer CN T1 18 7 To Remove Pressure Relief Valve Flow Switch and Air Purge Valve 3 Pull outward to remove Pressure Relief Valve 5 Turn the Air Purge Valve anti clockwise then remove Flow...

Page 151: ...water based grease on packing surface before fix with shut off valve 18 8 To Remove Water Pump and Bottle Complete Water Pump 3 Remove 2 retaining ring then pull out the Water Pump 1 Disconnect CN PUMP2 2 Loosen the nut from Electronic Controller When reinstall the water pipe use grease or water at the joining ...

Page 152: ...nnector HT1 L2 and HT1 L3 6 Remove 4 screws to remove the Bottle Complete Bottle Complete 5 Loosen 3 nuts of CN OLP1 and lead wire When reinstall the water pipe use grease or water at the joining rease or water at the joining ...

Page 153: ...e Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 1 000 2 000 3 000 4 000 5 000 6 000 15 11 7 3 1 5 9 13 17 21 25 8 000 9 000 10 000 11 000 12 000 13 000 15 11 7 3 1 5 9 13 17 21 25 ...

Page 154: ...DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 7 500 8 500 9 500 10 500 11 500 12 500 16 19 22 25 28 31 34 37 40 43 ...

Page 155: ...T C WBT Indoor water inlet temperature 19 C Indoor water outlet temperature 14 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 11 000 12 000 13 000 14 000 15 000 16 000 16 19 22 25 28 31 34 37 40 43 ...

Page 156: ...DBT C WBT Indoor water inlet temperature 23 C Indoor water outlet temperature 18 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 7 000 8 000 9 000 10 000 11 000 12 000 16 19 22 25 28 31 34 37 40 43 ...

Page 157: ... DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m Piping Length m Capacity kW Piping Length m Input Power kW 1 500 2 000 2 500 3 000 3 500 4 000 3 6 9 12 15 18 21 24 27 30 10 000 10 500 11 000 11 500 12 000 12 500 3 6 9 12 15 18 21 24 27 30 ...

Page 158: ...35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m Piping Length m Capacity kW Piping Length m Input Power kW 3 300 3 400 3 500 3 600 3 700 3 800 3 6 9 12 15 18 21 24 27 30 6 000 7 000 8 000 9 000 10 000 11 000 3 6 9 12 15 18 21 24 27 30 ...

Page 159: ...emperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 1 000 2 000 3 000 4 000 5 000 6 000 15 11 7 3 1 5 9 13 17 21 25 8 000 9 500 11 000 12 500 14 000 15 500 15 11 7 3 1 5 9 13 17 21 25 ...

Page 160: ...DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 6 000 8 000 10 000 12 000 14 000 16 000 16 19 22 25 28 31 34 37 40 43 ...

Page 161: ...T C WBT Indoor water inlet temperature 19 C Indoor water outlet temperature 14 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 1 500 2 500 3 500 4 500 5 500 6 500 16 19 22 25 28 31 34 37 40 43 10 000 12 000 14 000 16 000 18 000 20 000 16 19 22 25 28 31 34 37 40 43 ...

Page 162: ...BT C WBT Indoor water inlet temperature 23 C Indoor water outlet temperature 18 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 6 000 8 000 10 000 12 000 14 000 16 000 16 19 22 25 28 31 34 37 40 43 ...

Page 163: ... DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m Piping Length m Capacity kW Piping Length m Input Power kW 1 500 2 000 2 500 3 000 3 500 4 000 3 6 9 12 15 18 21 24 27 30 12 000 12 500 13 000 13 500 14 000 14 500 3 6 9 12 15 18 21 24 27 30 ...

Page 164: ...5 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m Piping Length m Capacity kW Piping Length m Input Power kW 4 100 4 200 4 300 4 400 4 500 4 600 3 6 9 12 15 18 21 24 27 30 7 000 8 000 9 000 10 000 11 000 12 000 3 6 9 12 15 18 21 24 27 30 ...

Page 165: ...mperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 1 000 2 000 3 000 4 000 5 000 6 000 15 11 7 3 1 5 9 13 17 21 25 10 000 11 500 13 000 14 500 16 000 17 500 15 11 7 3 1 5 9 13 17 21 25 ...

Page 166: ...DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 6 000 8 000 10 000 12 000 14 000 16 000 16 19 22 25 28 31 34 37 40 43 ...

Page 167: ...T C WBT Indoor water inlet temperature 19 C Indoor water outlet temperature 14 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 1 500 2 500 3 500 4 500 5 500 6 500 16 19 22 25 28 31 34 37 40 43 12 000 14 000 16 000 18 000 20 000 22 000 16 19 22 25 28 31 34 37 40 43 ...

Page 168: ...BT C WBT Indoor water inlet temperature 23 C Indoor water outlet temperature 18 C Piping length 7 m Outdoor Temperature C Capacity kW Outdoor Temperature C Input Power kW 0 500 1 500 2 500 3 500 4 500 5 500 16 19 22 25 28 31 34 37 40 43 7 000 9 000 11 000 13 000 15 000 17 000 16 19 22 25 28 31 34 37 40 43 ...

Page 169: ... DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m Piping Length m Capacity kW Piping Length m Input Power kW 3 200 3 400 3 600 3 800 4 000 4 200 3 6 9 12 15 18 21 24 27 30 14 500 15 000 15 500 16 000 16 500 17 000 3 6 9 12 15 18 21 24 27 30 ...

Page 170: ...5 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m Piping Length m Capacity kW Piping Length m Input Power kW 4 500 4 600 4 700 4 800 4 900 5 000 3 6 9 12 15 18 21 24 27 30 8 500 9 500 10 500 11 500 12 500 13 500 3 6 9 12 15 18 21 24 27 30 ...

Page 171: ...ut Power W Capacity W Input Power W Capacity W Input Power W 15 9900 3870 9500 4010 9000 4150 8600 4290 7900 4410 7300 4520 7 11100 3690 10700 4040 10200 4390 9800 4740 9100 4720 8500 4700 2 12900 3470 12400 3690 11900 3910 11400 4130 10400 4250 9500 4360 7 14000 2560 14000 3070 14000 3590 14000 4100 13600 4570 13300 5040 25 14000 1710 14000 2060 14000 2410 14000 2760 14000 3010 14000 3400 19 2 3 ...

Page 172: ...ter 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 16 7750 1570 15000 2400 11500 2050 25 13300 3570 18100 3520 11500 2340 35 11500 4360 13800 4560 11500 2850 43 8980 3800 12600 5470 9200 3380 19 3 3 WH SDC16F6E5 WH UD16FE5 Water In C 12 19 23 Water Out C 7 14 18 Outdoor Air C Capacity W Input Power W Capacity W Input Power...

Page 173: ...I I 39a O I 39 52 51 49 50 O I 42 48 31 18 33 13 4 9 10 37 30 28 26 25 46 20 21 7 3 2 1 6 14 16 17 5 31a 35 38 36 34 29 19 32 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 174: ...RMINAL BOARD ASS Y TANK 1 CWA28K1231 O 29 RESIDUAL CURRENT CIRCUIT BREAKER 2 CWA181005 O 30 TRANSFORMER COMPLETE 1 CWA40C1096 O 31 SENSOR CO WATER INLET OUTLET REF TEMP CN TH1 1 CWA50C2762 O 31a SENSOR CO HEX WATER OUTLET CN TH3 1 CWA50C3164 O 32 REMOTE CONTROL COMPLETE 1 CWA75C4464 O 33 PRESSURE GAUGE 1 CWB070001 O 34 AIR PURGE VALVE 1 CWB621094 O 35 CABINET 1 CWE001050A 36 HANDLE 2 CWE161008 37 ...

Page 175: ... 53 55 56 54a 50a 61 60 25 59 57 58 55 56 54 66 54a 50a 58 64 28 65 22 62 62 46 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 176: ... 21 70 23 73 74 13 68 10 4 20 5 4a 4a 19 12 11 13 24 27a 26 49 27 48 72 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 177: ...177 38 71 29 44 31 75 79 76 78 77 36 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 178: ... CWA50C2730 O 26 SENSOR COMP DISCHARGE TEMP CN DIS 1 CWA50C2576 O 27 SENSOR COMP COMP TEMP CN TANK 1 CWA50C2629 O 27a SENSOR COMP DEFROST TEMP CN TH2 1 CWA50C2577 O 28 CABINET REAR PLATE COMPLETE 1 CWE02C1059 29 CONTROL BOARD CASING 1 CWH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 O 36 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746169 O 38 ELECTRONIC CONTROLLER NF 1 CWA747852 O 44 ELECTRONIC CONTROLLER...

Page 179: ... O 72 SENSOR COMPLETE EVA EXIT CN TH3 1 CWA50C3204 O 73 2 WAYS VALVE 1 CWB021637 O 74 V COIL COMPLETE FOR 2 WAY VALVE 1 CWA43C2607 O 75 BAG 1 CWG861204 76 BASE BOARD COMPLETE 1 CWG62C1086 77 SHOCK ABSORBER 2 CWG712852 78 SHOCK ABSORBER 1 CWG712854 79 C C CASE 1 CWG568054 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock PAPAMY ...

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