Panasonic WH-SHF09D3E5 Service Manual Download Page 62 | Manualshive

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62

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.

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Summary of Contents for WH-SHF09D3E5

Page 1: ... refrigerant circuit 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...

Page 2: ...Thermostat Control Optional 54 13 Protection Control 55 13 1 Protection Control for All Operations 55 13 2 Protection Control for Heating Operation 57 14 Servicing Mode 58 14 1 How to Take Out Front Plate 58 14 2 How to Take Out Side Cabinet 58 14 3 Test Run 58 14 4 Proper Pump Down Procedure 58 14 5 How to Adjust Water Flow Rate 59 14 6 Expansion Vessel Pre Pressure Checking 59 15 Maintenance Gui...

Page 3: ...rotating fan may cause injury 8 Do not sit or step on the unit you may fall down accidentally 9 Keep plastic bag packaging material away from small children it may cling to nose and mouth and prevent breathing 10 Do not use pipe wrench to install refrigerant piping It might deform the piping and cause the unit to malfunction 11 Do not purchase unauthorized electrical parts for installation service...

Page 4: ...to other properties 32 When installing electrical equipment at wooden building of metal lath or wire lath in accordance with electrical facility standard no electrical contact between equipment and building is allowed Insulator must be installed in between 33 Work done to the indoor outdoor unit after remove the front plate cover that secured by screws must be carried out under the supervision of ...

Page 5: ... 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 70 0 8 Refrigeration Charge Less m ft 15 49 2 Type Hermetic Motor Rotary Motor Type Brushless 4 poles Compressor Rated Output kW 3 00 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 490 Top Fan 530 Bottom Fan Fin mate...

Page 6: ... 1 3 32 Water Pipe Diameter Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Pump Input Power W 180 Type Brazed Plate No of Plates 100 Size W x H x L mm 161 93 325 Hot Water Coil 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 S...

Page 7: ... 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 70 0 8 Refrigeration Charge Less m ft 15 49 2 Type Hermetic Motor Rotary Motor Type Brushless 4 poles Compressor Rated Output kW 3 00 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 520 Top Fan 560 Bottom Fan Fin material Aluminium Pre Coat Fin Type Corrugated ...

Page 8: ... 1 3 32 Water Pipe Diameter Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Pump Input Power W 180 Type Brazed Plate No of Plates 100 Size H x W x L mm 161 93 325 Hot Water Coil 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 S...

Page 9: ...tart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Serviceability Improvement Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Pumpdown Button for servicing purpose Front maintenance design for outdoor unit Operation Condition Indoor Outdoor Water outlet temperature C Ambient temperature C Maximum 6...

Page 10: ...10 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...

Page 11: ...11 ...

Page 12: ...12 ...

Page 13: ...13 4 1 2 Weekly Timer Setting ...

Page 14: ...14 4 1 3 Setting Up the Special Functions ...

Page 15: ...15 4 1 4 Main Components 4 2 Outdoor Unit ...

Page 16: ...16 5 Dimensions 5 1 Indoor Unit ...

Page 17: ...17 5 2 Outdoor Unit ...

Page 18: ...ted Length m Common Length m Max Elevation m Min Piping Length m Max Piping Length m Additional Refrigerant g m UH09DE5 5 8 3 8 7 15 20 3 30 70 UH12DE5 5 8 3 8 7 15 20 3 30 70 If piping length is over common length additional refrigerant should be added as shown in the table ...

Page 19: ...19 ...

Page 20: ...20 7 Block Diagram ...

Page 21: ...21 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SHF09D3E5 ...

Page 22: ...22 8 1 2 WH SHF12D6E5 ...

Page 23: ...23 8 2 Outdoor Unit ...

Page 24: ...24 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SHF09D3E5 ...

Page 25: ...25 9 1 2 WH SHF12D6E5 ...

Page 26: ...26 9 2 Outdoor Unit ...

Page 27: ...27 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 28: ...28 10 1 2 Solar Printed Circuit Board Optional ...

Page 29: ...29 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Page 30: ...30 10 2 2 Capacitor Printed Circuit Board 10 2 3 Noise Filter Printed Circuit Board ...

Page 31: ...s built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed Avoid location where ambient temperature is below 20 C Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If outdoor unit installed near sea region with high content ...

Page 32: ... shall be 2 8 meters and the length of the said cable must be shorter than 10 meter Fail 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 it left and right 3 Fix the screws to the holes on the hooks of installation plate as illustrated below 11 3 3 ...

Page 33: ...on 1 Please make flare after inserting flare nut located at joint portion of tube assembly onto the copper pipe In case of using long piping 2 Do not use pipe wrench to open refrigerant piping Flare nut may be broken and cause leakage Use proper spanner or ring wrench 3 Connect the piping o Align the center of piping and sufficiently tighten the flare nut with fingers o Further tighten the flare n...

Page 34: ...y Valve shall be spring and electronic type Valve s cable shall be 3 x min 0 5 mm2 of type designation 60245 IEC 57 or heavier or similarly double insulation sheathed cable note Should be CE marking compliance component It shall be directed to heating mode when it is OFF Maximum load for the valve is 3VA 5 Room Thermostat cable must be 4 or 3 x min 0 5 mm2 double insulation layer of PVC sheathed o...

Page 35: ...35 Terminal screw Tightening torque N cm kgf cm M4 157 196 16 20 M5 196 245 20 25 11 3 4 1 Wire Stripping and Connecting Requirement ...

Page 36: ...ure that the service current capacity 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 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models SHF09D3E5 UH09DE5 and SHF12D6E5 UH12DE5 0 236 Ω Please l...

Page 37: ... from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of 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 outdoo...

Page 38: ...ue wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4mm 8 Mount valve caps onto the 2 way valve and the 3 way valve o Be sure to check for gas leakage CAUTION Do not add or replace other than R407C type It may cause product damage burst injury and etc Use compatible R410A tools for refrigerant piping work and ref...

Page 39: ...y out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above 11 4 6 Disposal of Outdoor Unit Drain Water When a Drain elbow i...

Page 40: ...tlet Temperature Internal Water Setting Temperature 2 C for continuously 3 minutes Compressor is ON after waiting for 3 minutes if the Water Outlet Temperature Water Inlet Temperature temperature at thermostat OFF is triggered 3 C 12 1 3 Tank Mode Operation Control contents 3 ways valve direction 3 ways valve switch and fix to tank side Heat pump Thermostat characteristic Water set temperature Tan...

Page 41: ...ternal Room Thermo OFF time Switch 3 ways valve to tank side IF Under Solar Priority Set condition o Tank temperature Tank THERMO ON TEMP AND Solar Valve OFF Under Solar Priority Not Set condition o Tank temperature Tank THERMO ON TEMP Switch back 3 ways valve to room side Heat pump and water pump turn OFF IF o External Room Thermo ON back OR Under Solar Priority Set condition Tank temperature Tan...

Page 42: ... ON booster heater turn OFF 5 Solar 3 way valve o Solar 3 way valve operates follow solar operation specification Under solar priority is set condition when solar 3WV turn ON booster heater will turn OFF and 3 ways valve switch to room side Under solar priority is not set condition solar 3WV will OFF when heat pump operate to tank side o 2 way valve opens Setting 2 When heating priority is not set...

Page 43: ...mp thermo off 3 C Case 3 Heat pump THERMO OFF TEMP 1 Water inlet temperature 60 C for continuous 60 secs heat pump OFF THERMO ON TEMP 1 THERMO ON TEMP Water inlet temperature 65 C Case 4 Only during solar priority is set condition When solar pump ON tank heat up interval end early and 3 ways valve switch to room side THERMO ON TEMP 1 THERMO ON TEMP Heat pump tank target temperature 2 C 2 After Hea...

Page 44: ...setting Change in setting water outlet temperature is updated every 30 minutes 12 1 5 1 Heating Mode Operation Time Chart Operation of heat pump provide heating capacity to room side by hot water through heating panel floor or fan coil 1 3 ways valve control o 3 ways valve switch and fix to heating side 2 Heat pump operate follow normal heating operation 3 Backup heater operate follow normal opera...

Page 45: ...45 12 1 7 Outdoor Fan Motor Operation Outdoor fan motor is adjusted according to operation condition It starts when compressor starts operation and it stops 30 seconds after compressor stops operation ...

Page 46: ...he power has to be reset to clear the error 4 If there is no error indication The water pump shall be continuously running 5 The water pump will remain ON when compressor OFF due to thermostat OFF setting is reached 6 Pump ON OFF control a During operation OFF or water pump stop at Tank Mode b During ERROR stop c Water flowing flag ON d Outdoor air temperature 30 C When above a or b and c and d co...

Page 47: ... to room side 5 Press the ON OFF button to stop the unit 12 4 Flow Switch 12 4 1 Flow Switch Control 1 The water flow switch serve as an overload protector that shuts down the unit when the water level is detected to be low 2 Detection is Lo 0V when there is no water flow and detection is Hi 5V when there is water flow 12 5 Force Heater Mode Operation The backup heater also serves as backup in cas...

Page 48: ...the water inlet temperature exceeds 80 C for 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 indoor unit safety control checking is restarted 12 7 Auto Restart Control When the power supply is cut off during the operation of Air to Water Heatpump the compressor will re operate after power supply resumes 12 8 ...

Page 49: ...rature after heater delay timer before ON heater 2 and 1 o Heater Stop Condition a When outdoor set temperature outdoor set temperature 2 C for continuous 15 secs OR b When water out temp water set temperature 2 C for continuous 15 secs OR c Heater switch is Off OR d Heat pump thermo off or OFF condition 2 Force Heater Mode o Heater On Condition a After water pump operate 9 mins b When water outle...

Page 50: ...switch On time the hot water will provide heat capacity to tank side 3 Stop condition o During stop mode 3 ways valve will be in switch off position 12 12 Sterillization Mode Purpose o Boil tank temperature to customer set boiling temperature to operate sterilization Control start condition o Tank connection set to YES by remote controlller o Serilization function selection is YES o Sterilization ...

Page 51: ... boiling time 2 Control according to preset whether solar priority is set or not 3 When tank connection is NOT set at SETTING mode solar operation is disabled 4 When Pump A from solar pump station is detected On through connection Y3 and Y4 then the Solar pump 3 Way Valve is requested ON Refer to figure below 12 14 2 Solar Operation Control When solar priority is SET 1 Operation condition a Solar ...

Page 52: ...mp is below solar on upper limit temp 80 C Heat pump thermo OFF in tank mode OR Heat pump operate to room side during operation ON and tank mode selected 2 Stop condition a Solar pump 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 72 C Heat pump thermo ON and operate to tank side durin...

Page 53: ...53 ...

Page 54: ...t OFF Short Circuit ON Set Temp Actual Temp Short Circuit ON Open Circuit OFF 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 Control Content External room thermostat control activate only when remote thermostat connection select YES ...

Page 55: ...perature rises to 95 C compressor will stop immediately 2 Compressor will restart delay 3 minutes when the IPM temperature decreases to 90 C If this condition repeats continuously 3 times within 30 minutes system will stop operation and OFF ON control panel LED will blink F22 error occurs B DC Peak Current Control 1 When the current to IPM exceeds set value of 53 5 5 0 A compressor will stop Compr...

Page 56: ...minute Detection conditions When abnormal high voltage detection 5V or when open circuit detection 0V for 5 seconds continuously After detection When abnormality is detected continue 5 seconds unit stop operation OFF ON control panel LED will blink H64 error occurs 13 1 8 Outside Temperature Current Control 13 1 9 Extreme Low Temperature Control Purpose To improve the compressor reliability during...

Page 57: ...ng heater STOP condition 1 when the outdoor air temperature exceeds entry condition 15 C 2 when the discharge temperature exceeds entry condition 20 2 C 13 2 Protection Control for Heating Operation 13 2 1 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 14 C in order to avoid compressor overloading 13 2 2 Deice Operation When outd...

Page 58: ...olding both of the handles 14 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 instruction 3 For normal operation pressure gauge reading should be in between 0 05 MPa and 0 3 MPa If necess...

Page 59: ...e noise of running water Below graph shown the external static pressure kPa versus water flow rate L min Flow rate characteristic of indoor unit is as per above mentioned 14 6 Expansion Vessel Pre Pressure Checking Expansion Vessel with 10L air capacity and initial pressure of 1 bar is installed in this indoor unit Total amount of water in system should be below 200L Note This amount of water is n...

Page 60: ...hen contact your local authorized dealer 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 plug ...

Page 61: ...r of step a b 7 External water filter field supply Clean the external water filter in regularly basic o External water filter is located inside the tube connector which is before 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 t...

Page 62: ...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 63: ...nits 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 fifteen minutes after an operation is st...

Page 64: ...IC memory To check the error code 1 When an abnormality occurs system will stop operation and OFF ON control panel LED will blink 2 Error code of the abnormality will 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 tha...

Page 65: ...pply voltage H98 Outdoor high pressure overload protection Outdoor high pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant Outdoor PCB H99 Indoor heat exchanger freeze prevention Continue for 10 sec Indoor heat exchanger Refrigerant shortage F12 Pressure switch activate 4 times occurrence within 20 minutes Pressure switch F14 Outdoor compressor abnor...

Page 66: ... Transformer open circuit Insufficient refrigerant Outdoor PCB Compressor low F48 Outdoor EVA outlet temperature sensor abnormality Continue for 5 sec Outdoor EVA outlet temperature sensor defective or disconnected F49 Outdoor bypass outlet temperature sensor abnormality Continue for 5 sec Outdoor bypass outlet temperature sensor defective or disconnected F95 Cooling high pressure overload protect...

Page 67: ...up operation of 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 68: ...tions During startup and operation of 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 69: ...itions During startup and operation of 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 70: ...ove 26 C is detected by the outdoor pipe temperature sensor Malfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 3 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 71: ... water flow switch is used to determine water flow error Malfunction Caused 1 Air trapped in water system 2 Faulty water pump 3 Water leak in system 4 Faulty connector connection 5 Faulty water flow switch 6 Faulty indoor unit PCB main Abnormality Judgment Continue for 10 seconds but no judgment for 9 minutes after compressor startup restart ...

Page 72: ...ecision Conditions During operation of heating when the outdoor low pressure sensor output signal is 0Vdc or 5Vdc Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 20 minutes ...

Page 73: ...ecision Conditions During operation of heating when the outdoor high pressure sensor output signal is 0Vdc or 5Vdc Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 20 minutes ...

Page 74: ...ndoor backup heater when no power supplies to indoor backup heater or OLP open circuit Malfunction Caused 1 Faulty power supply connector connection 2 Faulty connector connection 3 Faulty indoor backup heater overload protector OLP 4 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Page 75: ...onditions When tank connection is set to ON the temperatures detected by the tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Page 76: ...mmunication Abnormality H76 Malfunction Decision Conditions During standby and operation of heating indoor remote control error occur Malfunction Caused 1 Faulty connector connection 2 Faulty remote control 3 Faulty indoor unit PCB main ...

Page 77: ...al 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 minute a...

Page 78: ...on 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 79: ...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 80: ...essure 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 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 81: ...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 82: ...tected by outdoor high pressure switch Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 3 way valve closed 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor and switch 8 Faulty outdoor unit PCB Abnormality Judgment Continue 4 times in 20 minutes ...

Page 83: ...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 84: ... fan motor feedback of rotation 2550rpm or 50rpm 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 30...

Page 85: ...n Conditions During operation of heating when outdoor current above 27 9A 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 86: ...2 C is detected by the compressor tank temperature sensor Malfunction Caused 1 Faulty compressor tank temperature sensor 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 87: ...sion Conditions During operation of 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 88: ...ration of heating when outdoor DC current is above 40 1 5 0A for 6kW 9kW OR 44 7 5 0A for 12kW 16kW 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 89: ...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 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 compressor Abnormality Judgment Continue 2 times in 20 minutes...

Page 90: ...During heating operation when the indoor pipe temperature of thermostat ON indoor unit 0 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 91: ...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 92: ...itions During startup and operation of 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 93: ...itions During startup and operation of 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 94: ...itions During startup and operation of 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 95: ...s During operation of 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 96: ...itions During startup and operation of 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 97: ...itions During startup and operation of 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 98: ...itions During startup and operation of 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 99: ...mer CT open circuit is detected by checking the compressor running frequency rated frequency and CT detected input current 0 65A for continuously 20 seconds Malfunction Caused 1 CT defective 2 Faulty outdoor unit PCB 3 Compressor defective low compression Abnormality Judgment Continue 3 times in 20 seconds ...

Page 100: ... 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 101: ...r take out front plate Before removing the front plate of indoor unit always switch off all power supply i e indoor unit power supply heater power supply and tank unit power supply 1 Remove the 2 mounting 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...

Page 102: ...102 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...

Page 103: ...103 17 5 To Remove RCCB ELCB 17 6 To Remove Transformer and Electronic Controller Board ...

Page 104: ...104 17 7 To Remove Air Purge Valve Pressure Relief Valve Flow Switch Water Pump and Bottle Complete When reinstall the water pipe use grease or water at the joining ...

Page 105: ...105 When reinstall the water pipe use grease or water at the joining When reinstall the water pipe use grease or water at the joining ...

Page 106: ... kW IP Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C Piping Length 7m 18 1 2 WH SHF12D6E5 WH UH12DE5 LWC 30 35 40 45 Tamb HC IP HC IP HC IP HC IP 15 12000 5200 12000 5570 11000 5550 10600 5570 7 12000 4470 12000 4800 11500 4950 11200 5100 2 12000 3460 12000 3720 11500 3900 11300 4180 7 12000 2560 12000 2730 12000 3100 12000 3480 16 12000 2070 12000 2210 12000 ...

Page 107: ... 7 9000 1980 12000 2730 10 8000 1880 10300 2550 20 7400 1880 9500 2550 30 7000 1880 9000 2550 HC Heating Capacity kW IP Power Input kW Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping Length 7m 18 3 Hydraulic Pump Performance 18 4 Usage Limitation ...

Page 108: ...ded View and Replacement Parts List 19 1 WH SHF09D3E5 WH SHF12D6E5 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 109: ... CWA151065 O 20 ELECTRONIC CONTROLLER MAIN 1 CWA73C6516 CWA73C6517 O 21 TERMINAL BOARD ASS Y 1 CWA28K1217 25 TERMINAL BOARD ASS Y 1 CWA28K1229 26 TERMINAL BOARD ASS Y 1 CWA28K1230 28 TERMINAL BOARD ASS Y 1 CWA28K1231 29 RESIDUAL CURRENT CIRCUIT BREAKER 2 3 CWA181005 O 30 TRANSFORMER COMPLETE 1 CWA40C1096 O 31 SENSOR COMPLETE 1 CWA50C2762 O 32 REMOTE CONTROL COMPLETE 1 CWA75C3998 O 33 PRESSURE GAUG...

Page 110: ...110 19 2 WH UH09DE5 WH UH12DE5 ...

Page 111: ...111 ...

Page 112: ...112 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 113: ...76 27 SENSOR COMP TOP 1 CWA50C2629 27a SENSOR COMP DEF 1 CWA50C2577 28 CABINET REAR PLATE COMPLETE 1 CWE02C1067 29 CONTROL BOARD CASING 1 CWHH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 36 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746082 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA746991 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C6518R CWA73C6519R O 46 REACTOR 1 G0C592J00006 48 TERMINAL COVER 1 CWH17105...

Page 114: ...3 73 V COIL COMPLETE EXP VALVE BYPASS 1 CWA43C2335 74 SENSOR COMP TEMP COIL BYPASS 1 CWA50C2797 76 ACCESSORY CO DRAIN ELBOW 1 CWG87C2030 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock PAPAMY Printed in Malaysia FO0112 0 ...

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