Panasonic WH-SDF07C3E5 Service Manual Download Page 81 | Manualshive

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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-SDF07C3E5

Page 1: ...orized copying and distribution is a violation of law Order No PHAAM1006122C2 Air to Water Heatpump Indoor Unit Outdoor Unit WH SDF07C3E5 WH UD07CE5 A WH SDF09C3E5 WH UD09CE5 A WH SDF12C6E5 WH UD12CE5 A WH SDF14C6E5 WH UD14CE5 A WH SDF16C6E5 WH UD16CE5 A ...

Page 2: ...cation Panel 70 13 9 Indoor Back Up Heater Control 70 13 10 Tank Booster Heater Control 71 13 11 Three Way Valve Control 71 13 12 Sterillization Mode 71 13 13 Quiet Operation 71 13 14 Solar operation Optional 72 13 15 External Room Thermostat Control Optional 75 14 Protection Control 76 14 1 Protection Control For All Operations 76 14 2 Protection Control For Heating Operation 77 15 Servicing Mode...

Page 3: ...rcuit and single outlet must be used If electrical 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 join...

Page 4: ...rson 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 it to 700 20 F 370 10 C ...

Page 5: ... Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 30 0 3 Refrigeration Charge Less m ft 10 32 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 1 70 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Speed rpm 580 Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 30 17 Si...

Page 6: ...re Differential kPa 22 0 Noise Level dB A 30 Power Level dB 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm inch 353 13 29 32 Net Weight kg lbs 43 95 Refrigerant Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 28 1 3 32 Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run In...

Page 7: ...nt g m oz ft 30 0 3 Refrigeration Charge Less m ft 10 32 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 1 70 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Speed rpm 640 Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 30 17 Size W H L mm 38 1 762 873 8 903 8 Item Unit Power So...

Page 8: ...evel dB A 30 Power Level dB 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm inch 353 13 29 32 Net Weight kg lbs 43 95 Refrigerant Pipe Diameter Liquid mm inch 6 35 1 4 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 28 1 3 32 Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run Induction Motor 2 5 μF No of Speed...

Page 9: ...m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 3 00 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Speed rpm 510 Top Fan 550 Bottom Fan Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51 18 Size W H L mm 881 5 1295 4 44 Item ...

Page 10: ... 30 Power Level dB 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm inch 353 13 29 32 Net Weight kg lbs 49 108 Refrigerant Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 28 1 3 32 Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Input P...

Page 11: ... m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 3 00 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Speed rpm 540 Top Fan 580 Bottom Fan Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51 18 Size W H L mm 881 5 1295 4 44 Item...

Page 12: ... 30 Power Level dB 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm inch 353 13 29 32 Net Weight kg lbs 49 108 Refrigerant Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 28 1 3 32 Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Input P...

Page 13: ... m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output kW 3 00 Fan Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Speed rpm 580 Top Fan 620 Bottom Fan Heat Exchanger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51 18 Size W H L mm 881 5 1295 4 44 Item...

Page 14: ... 30 Power Level dB 43 Dimension Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Depth mm inch 353 13 29 32 Net Weight kg lbs 49 108 Refrigerant Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 28 1 3 32 Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Input P...

Page 15: ...m auto restart after power failure for safety restart 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 NOTICE When the outdoor ...

Page 16: ...16 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...

Page 17: ...17 ...

Page 18: ...18 ...

Page 19: ...19 4 1 2 Weekly Timer Setting ...

Page 20: ...20 4 1 3 Setting Up The Special Functions ...

Page 21: ...21 4 1 4 Main Components 4 2 Outdoor Unit ...

Page 22: ...22 5 Dimensions 5 1 Indoor Unit ...

Page 23: ...23 5 2 Outdoor Unit 5 2 1 WH UD07CE5 A WH UD09CE5 A ...

Page 24: ...24 5 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 25: ...wn in the table Piping size Rated Length m Common Length m Max Elevation m Min Piping Length m Max Piping Length m Additional Refrigerant g m Model Gas Liquid UD07CE5 A 5 8 1 4 7 10 20 3 30 30 UD09CE5 A 5 8 1 4 7 10 20 3 30 30 UD12CE5 A 5 8 3 8 7 30 30 3 40 50 UD14CE5 A 5 8 3 8 7 30 30 3 40 50 UD16CE5 A 5 8 3 8 7 30 30 3 40 50 ...

Page 26: ...26 ...

Page 27: ...27 7 Block Diagram 7 1 WH UD07CE5 A WH UD09CE5 A ...

Page 28: ...28 7 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 29: ...29 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SDF07C3E5 WH SDF09C3E5 ...

Page 30: ...30 8 1 2 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 ...

Page 31: ...31 8 2 Outdoor Unit 8 2 1 WH UD07CE5 A WH UD09CE5 A ...

Page 32: ...32 8 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 33: ...33 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SDF07C3E5 WH SDF09C3E5 ...

Page 34: ...34 9 1 2 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 ...

Page 35: ...35 9 2 Outdoor Unit 9 2 1 WH UD07CE5 A WH UD09CE5 A ...

Page 36: ...36 9 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 37: ...37 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 38: ...38 10 1 2 Solar Printed Circuit Board Optional ...

Page 39: ...39 10 2 Outdoor Unit 10 2 1 WH UD07CE5 A WH UD09CE5 A 10 2 1 1 Main Printed Circuit Board ...

Page 40: ...40 10 2 1 2 Capacitor Printed Circuit Board 10 2 1 3 Noise Filter Printed Circuit Board ...

Page 41: ...41 10 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A 10 2 2 1 Main Printed Circuit Board ...

Page 42: ...42 10 2 2 2 Capacitor Printed Circuit Board 10 2 2 3 Noise Filter Printed Circuit Board ...

Page 43: ...T If an awning is 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 wi...

Page 44: ...on 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 2 Water Piping Installation The minimum requirement of water in the system is 30 litres If this value could not be achieved please install additional buffer tank field supply Water inlet and water outlet in indoor unit are used for connection to water circuit Please req...

Page 45: ...g Flare nut may be broken and cause leakage Use proper spanner or ring wrench 3 Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 11 3 3 4 Drain Hose Installation Use inner diameter 15 mm drain hose in the market This hose must to be installed in a continuosly...

Page 46: ...esignation 60245 IEC 57 or heavier or similarly double insulation sheathed cable note Should be CE marking compliance component It should be directed to heating mode when it is OFF Maximum load for the valve is 3VA 5 Receiver shall be connected to Room Thermostat refer to Field Supply Accessories table for details Receiver s cable must be 4 or 3 x min 0 5 mm2 double insulation layer of PVC sheathe...

Page 47: ...47 11 3 4 1 Wire Stripping and Connecting Requirement Terminal screw Tightening torque Nlcm kgf cm M4 157 196 16 20 M5 196 245 20 25 ...

Page 48: ...greater than or equal to 828 38kW The equipment s power supply 1 shall be connected to a suitable supply network having service current capacity 100A per phase Please liaise with supply authority to ensure 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 ...

Page 49: ... 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 release the pawls After this pull the se...

Page 50: ...ice port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 N m with a torque 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 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage 11 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DET...

Page 51: ...BLE TO THE INDOOR UNIT 11 4 5 PIPE INSULATION 1 Please carry 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 ...

Page 52: ...er 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 of sulphur...

Page 53: ...by moving it left and right 3 Fix the screws to the holes on the hooks of installation plate as illustrated below 12 3 3 2 Water Piping Installation The minimum requirement of water in the system is 50 litres If this value could not be achieved please install additional buffer tank field supply Water inlet and water outlet in indoor unit are used for connection to water circuit Please request a li...

Page 54: ...ken and cause leakage Use proper spanner or ring wrench 3 Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 12 3 3 4 Drain Hose Installation Use inner diameter 15 mm drain hose in the market This hose must to be installed in a continuosly downward direction an...

Page 55: ... 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 should be directed to heating mode when it is OFF Maximum load for the valve is 3VA 5 Receiver shall be connected to Room Thermostat refer to Field Supply Accessories table for details Receiver s cable must be 4 or 3 x min 0 5 mm2 double insulation la...

Page 56: ...56 12 3 4 1 Wire Stripping and Connecting Requirement Terminal screw Tightening torque N cm kgf cm M4 157 196 16 20 M5 196 245 20 25 ...

Page 57: ...5 UD16CE5 0 244Ω Please liaise with supply authority to ensure that the power supply 1 is connected only to a supply of that impedance or less The equipment s power supply 2 complies with IEC EN 61000 3 12 The equipment s power supply 2 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models WH SDF12C6E5 UD12CE5 WH SD...

Page 58: ...fter 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 outdoor unit Removing the service...

Page 59: ...n 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 the needle in the gauge does not move after approximately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the se...

Page 60: ...ontrol board cover 12 4 4 1 Wire Stripping and Connecting Requirement Same as indoor requirement For details please refer the diagram on AIR TO WATER HEATPUMP INDOOR UNIT section 12 3 4 CONNECT THE CABLE TO THE INDOOR UNIT 12 4 5 PIPE INSULATION 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to ...

Page 61: ... used as internal water setting temperature and it is updated continuously whenever the electrical power is supplied 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 tem...

Page 62: ...inlet during thermo off time 3 C 2 Water pump ON back when tank temp tank temp when heatpump thermo off 3 C 3 Heat pump only ON back after water outlet temperature Heat pump THERMO ON TEMP water pump ON for 3 minutes Booster heater control Booster heater turn On and Off follow normal operation Booster heater turn ON condition 1 During startup time initialization Booster heater turn ON after DELAY ...

Page 63: ...Priority is set not set by control panel 1 3 ways valve control 3 ways valve switch to room side during heating heat up interval and switch to tank side during tank heat up interval Both mode will switch alternatively 2 Heat pump operation control During heating heat up interval Follow normal heating operation Under solar priority set condition Always detect the tank temperature after heating heat...

Page 64: ...at up interval and start count heating heat up interval THERMO ON TEMP 1 THERMO ON TEMP Tank temp when heatump thermo off 3 C 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature THERMO ON TEMP iv 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...

Page 65: ...65 Under solar priority is not set condition solar 3WV only can ON during heating heat up interval ...

Page 66: ... Outdoor temperature is updated every 30 minutes when operation ON 13 1 5 1 Heating Mode Operation Time Chart Example 1 3 ways valve control 3 ways valve switch and fix to heating side 2 Heat pump operate follow normal heating operation 3 Backup heater operate follow normal operation 4 Solar 3 way valve operates follow solar operation specification 13 1 6 Water Temperature Thermo Shift Setting Swi...

Page 67: ...ng mode is used to easily shift the target water outlet temperature 13 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 68: ...ump will remain ON when compressor OFF due to thermostat OFF 13 3 Pump Down Operation Purpose Ensure the pump down operation when relocating or disposing of the unit The pump down operation will extract all refrigerant from the piping into the outdoor unit 1 Make sure the OFF ON control panel LED is OFF no operation 2 Press the Pump Down button to start the pump down operation 3 No low pressure pr...

Page 69: ...tem will start checking flow switch status ON OFF 2 If the flow switch ON for 10 seconds the system will check on the water inlet temperature for 10 seconds If the water inlet temperature not exceeds 80 C the water pump shall be continuously running with normal mode If the water inlet temperature exceeds 80 C for continuously 10 seconds the water pump will be OFF immediately 3 After water pump OFF...

Page 70: ...ion 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 Heater On Condition a After water pump operate 9 mins b When water outlet temperature water set temperature 8 C c 20 minutes sinc...

Page 71: ...de heat capacity to heating side 2 3 ways valve switch On During 3 ways valve switch On time the hot water will provide heat capacity to tank side 3 Stop condition During stop mode 3 ways valve will be in switch off position 13 12 Sterillization Mode 1 During Sterillization mode Tank will be heat up to the Sterillize Set temperature for a certain period of time also set by controller 2 The functio...

Page 72: ...operation request from Solar pump station OR Tank hot water temp is above solar off upper limit temp EEPROM 2 77 C heat pump OFF OR operate to room side when solar pump operate during solar priority set booster heater OFF when solar pump operate during solar priority set When solar priority is NOT SET 1 Operation condition a Solar pump operates if all of the following conditions are fulfilled Powe...

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Page 75: ...connection select YES by Indoor control panel When indoor running heat mode refer thermo On Off from heating line feedback And when indoor running cool mode refer thermo On Off from cooling line feedback Heat pump Off immediately when receive thermo off feedback Maker Characteristic Siemen REV200 Touch panel Siemen RAA20 Analog Setting L L1 H Heat Thermo L L2 C Cool Thermo Set Temp Actual Temp Ope...

Page 76: ... 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 40 1 5 0 A UD07CE and UD09CE 44 7 5 0 A UD12CE UD14CE and UD16CE 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 ...

Page 77: ...ing low outdoor ambient operation during heating low temperature operation Control content a Trigger heater START conditon when the outdoor air temperature is 4 C or below and discharge temperature is 11 6 C or below b Resetting heater STOP condition 1 when the outdoor air temperature exceeds entry condition 6 C 2 when the discharge temperature exceeds entry condition 18 8 C 14 2 Protection Contro...

Page 78: ...e 3 way valve 5 Press the OFF ON switch on control panel to stop PUMP DOWN mode 6 Remove the refrigerant piping 15 3 How To Adjust Water Flow Rate Before adjust the water flow rate make sure that the total water volume in the installation is 30 litres minimum 07C3 09C3 50 litres minimum 12C6 14C6 16C6 The water flow rate can be adjusted with select the water pump speed on the water pump The defaul...

Page 79: ...r local authorized dealer 3 Indoor unit control board area Thorough visual inspection of the control board and look for defects i e loose connection melting of wire insulator and etc 4 RCCB Ensure the RCCB set to ON condition before check RCCB Turn on the power supply to the indoor unit This testing could only be done when power is supplied to the indoor unit Push the TEST button on the RCCB The l...

Page 80: ...xternal 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 Use spanner to detach the tube connector nut Take out the filter carefully so that not deforms it shape Use tap water only to wash the residue on the filter If necessary gently use soft brush only to clean the hard dirt After clean put it back...

Page 81: ...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 82: ...fifteen minutes after an operation is started Heating Mode Condition of the Air to Water Heatpump indoor and outdoor units 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 Str...

Page 83: ...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 84: ...gh pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant Outdoor PCB H99 Indoor heat exchanger freeze prevention Indoor heat exchanger Refrigerant shortage F12 Pressure switch activate 4 times occurrence within 20 minutes Pressure switch F14 Outdoor compressor abnormal revolution 4 times occurrence within 20 minutes Outdoor compressor F15 Outdoor fan mo...

Page 85: ... 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 F95 Cooling high pressure overload protection Outdoor high pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant...

Page 86: ...ration of cooling and heating the capability rank of indoor checked by the outdoor is used to determine connection capability rank abnormality Malfunction Caused 1 Wrong model interconnected 2 Wrong indoor unit or outdoor unit PCB main used 3 Faulty indoor unit or outdoor unit PCB main Abnormality Judgment Continue for 90 seconds ...

Page 87: ...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 88: ... 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 89: ...ove 26 C is detected by the outdoor pipe temperature sensor Malfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve partially closed 4 Faulty outdoor unit fan motor 5 Refrigerant shortage refrigerant leakage 6 Clogged expansion valve or strainer 7 Faulty outdoor pipe temperature sensor 8 Faulty outdoor unit main PCB main ...

Page 90: ...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 91: ...n Conditions During operation of cooling and 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 92: ...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 93: ...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 94: ...ation 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 95: ...s 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 mi...

Page 96: ...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 97: ...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 98: ...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 99: ...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 100: ...lfunction 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 min...

Page 101: ... 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 102: ...l 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 3...

Page 103: ...itions During operation of cooling and 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 104: ...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 105: ...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 106: ...of cooling and heating when outdoor DC current is above 40 1 5 0A for UD07 09CE OR 44 7 5 0A for UD12 16CE 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 107: ...let 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 108: ... 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 109: ...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 110: ... 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 111: ...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 112: ... 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 113: ...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 114: ... 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 115: ... 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 116: ... 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 117: ...rmer 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 118: ... 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 119: ...ed 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 18 2 To Remove Cabinet WARNING High Voltage are generated in the electrical parts area by the capacitor Ensure that the c...

Page 120: ...120 18 3 To Remove Pressure Gauge 18 4 To Remove Control Panel ...

Page 121: ...121 18 5 To Remove RCCB 18 6 To Remove Transformer and Electronic Controller Board ...

Page 122: ...122 18 7 To Remove Pressure Relief Valve Flow Switch Water Pump and Bottle Complete When reinstall the water pipe use grease or water at the joining ...

Page 123: ...123 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 124: ...cteristics 19 1 1 WH SDF07C3E5 WH UD07CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 125: ...125 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 126: ...9C3E5 WH UD09CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 127: ...127 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 128: ...2C6E5 WH UD12CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 129: ...129 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 130: ...4C6E5 WH UD14CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 131: ...131 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 132: ...6C6E5 WH UD16CE5 A Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 133: ...133 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7m ...

Page 134: ... 5 50 2 82 5 40 3 00 5 20 3 14 5 00 3 33 7 6 10 2 16 5 90 2 36 5 85 2 63 5 80 2 90 5 80 3 06 5 80 3 22 2 6 80 1 87 6 70 2 16 6 70 2 38 6 60 2 64 6 30 2 90 6 00 3 16 7 9 00 1 93 9 00 2 20 9 00 2 45 9 00 2 81 8 95 3 23 8 90 3 87 25 9 00 1 07 9 00 1 27 8 40 1 40 8 00 1 59 7 80 1 81 7 50 2 03 HC Heating Capacity kW IP Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C ...

Page 135: ...0 2 45 14 00 2 80 14 00 3 05 14 00 3 44 HC Heating Capacity kW IP Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C LWC 30 35 40 45 50 55 Tamb HC IP HC IP HC IP HC IP HC IP HC IP 15 10 60 4 13 10 30 4 42 10 00 4 71 9 70 5 00 8 80 4 98 7 90 4 95 7 11 90 4 07 11 40 4 47 10 80 4 87 10 30 5 26 9 60 5 13 9 00 4 99 2 13 50 3 78 13 00 4 00 12 40 4 22 11 90 4 44 10 80 4 5...

Page 136: ...ement Parts List 20 1 WH SDF07C3E5 WH SDF09C3E5 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 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 137: ...E 1 CWH90C0012 CWH90C0011 17 HEATER ASS Y 1 CWA34K1014 CWA34K1020 O 18 SOUND PROOF MATERIAL 1 CWG302544 CWG302575 19 THERMOSTAT 2 3 CWA151065 O 20 ELECTRONIC CONTROLLER MAIN 1 CWA73C4858 CWA73C4859 CWA73C4855 CWA73C4856 CWA73C4857 O 21 TERMINAL BOARD ASS Y 1 CWA28K1217 25 TERMINAL BOARD ASS Y 1 CWA28K1229 26 TERMINAL BOARD ASS Y 1 CWA28K1230 27 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00004 O 28 TERMINAL ...

Page 138: ...138 20 2 WH UD07CE5 A WH UD09CE5 A ...

Page 139: ...139 ...

Page 140: ...140 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 141: ...THERMISTOR 1 CWA50C2665 28 CABINET REAR PLATE CO 1 CWE02C1058 29 CONTROL BOARD ASS Y 1 CWH10K1100 32 TERMINAL BOARD ASS Y 1 CWA28K1198 34 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746184 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745745 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C4833R CWA73C4834R O 46 REACTOR 2 G0C592J00003 48 TERMINAL COVER 1 CWH171039A 49 NUT FOR TERMINAL COVER 1 CWH7080300J 50 BRACKE...

Page 142: ...142 20 3 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...

Page 143: ...143 ...

Page 144: ...144 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 145: ...SENSOR COMP TOP 1 CWA50C2629 27a SENSOR COMP DEF 1 CWA50C2577 28 CABINET REAR PLATE 1 CWE02C1059 29 CONTROL BOARD CASING 1 CWH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 36 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746169 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745446 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C4835R CWA73C4836R CWA73C4837R O 46 REACTOR 2 G0C592J00004 48 TERMINAL COVER 1 CWH171039A 4...

Page 146: ...HAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock PHAAM Printed in Malaysia SFYW1004 00 72 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00003 REF NO DESCRIPTION NAME QTY WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A REMARKS ...

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