Panasonic WH-SDF09C3E8 Service Manual Download Page 123

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123

Note:

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The above exploded view is for the purpose of parts disassembly and replacement.

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The non-numbered parts are not kept as standard service parts.

Summary of Contents for WH-SDF09C3E8

Page 1: ...tion or repairing of 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 professi...

Page 2: ...ol 56 12 12Sterillization Mode 56 12 13Quiet Operation 56 12 14Solar Operation Optional 57 12 15External Room Thermostat Control Optional 60 13 Protection Control 61 13 1 Protection Control for All Operations 61 13 2 Protection Control for Heating Operation 62 14 Servicing Mode 63 14 1 Test Run 63 14 2 Proper Pump Down Procedure 63 14 3 How to Adjust Water Flow Rate 63 14 4 Expansion Vessel Pre Pr...

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: ...or 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 Pb free solder will tend ...

Page 5: ...gth Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Type Hermetic Motor Motor Type Brushless 4 poles Compressor Rated Output kW 4 30 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 material Aluminium Pre Coat Fin...

Page 6: ... 28 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 80 Size W x H x L mm 130 93 325 Hot Water Coil Water Flow Rate l min m 3 h 25 8 1 5 Pressure Relief Valve Water Circuit kPa Open 190 Close 183 and below Flow Switch Magnetic Lead...

Page 7: ... Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Type Hermetic Motor Motor Type Brushless 4 poles Compressor Rated Output kW 4 30 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 510 Top Fan 550 Bottom Fan Fin material Aluminium Pre Coat Fin Ty...

Page 8: ... 28 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 80 Size H x W x L mm 130 93 325 Hot Water Coil Water Flow Rate l min m 3 h 34 4 2 1 Pressure Relief Valve Water Circuit kPa Open 190 Close 183 and below Flow Switch Magnetic Lead...

Page 9: ... Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Type Hermetic Motor Motor Type Brushless 4 poles Compressor Rated Output kW 4 30 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 540 Top Fan 580 Bottom Fan Fin material Aluminium Pre Coat Fin Ty...

Page 10: ...h 28 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 80 Size H x W x L mm 130 93 325 Hot Water Coil Water Flow Rate l min m 3 h 40 1 2 4 Pressure Relief Valve Water Circuit kPa Open 190 Close 183 and below Flow Switch Magnetic Lea...

Page 11: ...h Range m ft 3 9 8 40 131 2 I D O D Height Difference m ft 30 98 4 Additional Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 30 98 4 Type Hermetic Motor Motor Type Brushless 4 poles Compressor Rated Output kW 4 30 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 580 Top Fan 620 Bottom Fan Fin material Aluminium Pre Coat Fin T...

Page 12: ...h 28 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 80 Size H x W x L mm 130 93 325 Hot Water Coil Water Flow Rate l min m 3 h 45 9 2 8 Pressure Relief Valve Water Circuit kPa Open 190 Close 183 and below Flow Switch Magnetic Lea...

Page 13: ...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 5...

Page 14: ...14 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...

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Page 17: ...17 4 1 2 Weekly Timer Setting ...

Page 18: ...18 4 1 3 Setting Up the Special Functions ...

Page 19: ...19 4 1 4 Main Components 4 2 Outdoor Unit ...

Page 20: ...20 5 Dimensions 5 1 Indoor Unit ...

Page 21: ...21 5 2 Outdoor Unit ...

Page 22: ... Elevation m Min Piping Length m Max Piping Length m Additional Refrigerant g m UD09CE8 5 8 3 8 7 30 30 3 40 50 UD12CE8 5 8 3 8 7 30 30 3 40 50 UD14CE8 5 8 3 8 7 30 30 3 40 50 UD16CE8 5 8 3 8 7 30 30 3 40 50 If piping length is over common length additional refrigerant should be added as shown in the table ...

Page 23: ...23 ...

Page 24: ...24 7 Block Diagram 7 1 WH UD09CE8 ...

Page 25: ...25 7 2 WH UD12CE8 WH UD14CE8 WH UD16CE8 ...

Page 26: ...26 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SDF09C3E8 ...

Page 27: ...27 8 1 2 WH SDF12C9E8 WH SDF14C9E8 WH SDF16C9E8 ...

Page 28: ...28 8 2 Outdoor Unit ...

Page 29: ...29 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SDF09C3E8 ...

Page 30: ...30 9 1 2 WH SDF12C9E8 WH SDF14C9E8 WH SDF16C9E8 ...

Page 31: ...31 9 2 Outdoor Unit ...

Page 32: ...32 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 33: ...33 10 1 2 Solar Printed Circuit Board Optional ...

Page 34: ...34 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Page 35: ...35 10 2 2 Noise Filter Printed Circuit Board ...

Page 36: ...areful 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 or oilly location e g machinery oil etc it lifespa...

Page 37: ...rs 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 1 Ensure the hooks are properly seated on the installation plate by moving it left and right 3 Fix the screws 5 to the holes on the hooks of installation plate 6 as illustrated below 11 3 3 2 Water Pipi...

Page 38: ...en over tightening cause water leakage 11 3 3 3 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 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 p...

Page 39: ...0 5mm2 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 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 5mm2 double insulation layer ...

Page 40: ...40 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 41: ...8 SDF14C9E8 UD14CE8 SDF16C9E8 UD16CE8 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 the consultation with the distribution network operator if necessary that the equipment is connected only to a supply with short circuit power Ssc greater than or equal to 575kW The equipment s power supply 3 sh...

Page 42: ...52mm 3 8 42 N m Do not over tighten over tightening cause gas leakage Connecting the Piping to Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs 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 ...

Page 43: ...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 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...

Page 44: ...tective bushing provided in accessories to protect cables from sharp edges 5 Once all wiring work has been completed tie the cables and cord together with the binding strap so that they do not touch other parts such as the compressor and bare copper pipes 6 Install back the control board cover 11 4 4 1 Wire Stripping and Connecting Requirement Same as indoor requirement For details please refer th...

Page 45: ...ing 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 If a drain elbow is used the unit should be placed on a stand which is taller than 50mm If the unit is used in an area where temperature falls below 0 C for 2 or 3 days in succession it is recommended not to use a drain elbow for ...

Page 46: ...be used as internal water setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Heating Operation 12 1 2 1 Thermostat control Compressor is OFF when Water Outlet Temperature Internal Water Setting Temperature 2 C for continuously 3 minutes Compressor is ON after waiting for 3 minutes if the Water Outlet Temperature Water Inlet Temperature t...

Page 47: ...ing thermo off time 3 C 2 Water pump ON back when tank temp Tank temp when heatpump thermo off 3 C 3 Heatpump only ON back after water outlet temperature Heatpump 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 TIMER 2 Whe...

Page 48: ... side during heating heat up interval and switch to tank side during tank heat up interval Both mode will switch alternatively 2 Heatpump operation control o During heating heat up interval Follow normal heating operation Under solar priority set condition Always detect the tank temperature after heating heat up interval Switch only to tank heat up interval and start counting tank heat up timer wh...

Page 49: ...hermo 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 side THERMO ON TEMP 1 THERMO ON TEMP Heatpump tank target temperature 3 C 2 After Heating heat up interval alwa...

Page 50: ...50 Under solar priority is not set condition solar 3WV only can ON during heating heat up interval ...

Page 51: ...et water temperature by control panel setting Change in setting water outlet temperature is updated every 30 minutes 12 1 5 1 Heating Mode Operation Time Chart Example 1 3 ways valve control o 3 ways valve switch and fix to heating side 2 Heatpump operate follow normal heating operation 3 Backup heater operate follow normal operation 4 Solar 3 way valve operates follow solar operation specificatio...

Page 52: ...his setting mode SETTING display is ON This setting mode is used to easily shift the target water outlet temperature 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 53: ...ump will remain ON when compressor OFF due to thermostat OFF 12 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 54: ...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 55: ...go into force mode automatic Heater need to operate during deice operation 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 Heatpump thermo off or OFF condition 2 Force Heater Mode o Heater On Condition a After water pump operate 9 mins b...

Page 56: ...rovide heat capacity to heating side 2 3 ways valve switch On o During 3 ways valve 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 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...

Page 57: ...O operation request from solar pump station OR Tank hot water temp is above solar off upper limit temp EEPROM 2 77 C heatpump 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 Pow...

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Page 60: ...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 romote thermostat connection select YES ...

Page 61: ...rature 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 40 1 5 0 A UD09CE 44 7 5 0 A UD12CE UD1...

Page 62: ...nue 5 seconds unit stop operation OFF ON control panel LED will blink H64 error occurs 13 1 9 Outside Temperature Current Control 13 1 10 Crank Case Heater Control Purpose For compressor protection during low outdoor ambient operation during heating low temperature operation Control content a Trigger heater START condition o When the outdoor air temperature is 4 C or below and discharge temperatur...

Page 63: ...Liquid Side 4 After 3 minutes fully close 3 way valve Gas Side 5 Press the OFF ON switch on control panel to stop PUMP DOWN mode 6 Remove the refrigerant piping 14 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 UD09CE and 50 litres minimum UD12CE UD14CE UD16CE The water flow rate can be adjusted with ...

Page 64: ...trol 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 Becareful not to touch parts other than RCCB test button when the power is suppli...

Page 65: ...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 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 th...

Page 66: ...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 67: ...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 68: ...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 69: ...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 70: ...cted 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 F95 Cooling high pressure overload protection Outdoor high ...

Page 71: ...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 72: ...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 73: ... 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 74: ...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 75: ...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 76: ...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 77: ...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 78: ...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 79: ...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 80: ...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 81: ...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 82: ...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 83: ...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 84: ...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 85: ...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 86: ...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 87: ... 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 88: ...itions During operation of cooling and heating when outdoor current above 10 6A 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 89: ...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 90: ...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 91: ...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 92: ...et 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 c...

Page 93: ...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 94: ...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 95: ... 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 96: ... 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 97: ... 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 98: ...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 99: ... 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 100: ... 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 101: ... 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 102: ...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 103: ... 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 104: ...w for 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 boiler tank 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 fro...

Page 105: ...105 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...

Page 106: ...106 17 5 To Remove RCCB 17 6 To Remove Transformer and Electronic Controller Board ...

Page 107: ...107 17 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 108: ...108 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 109: ...acteristics 18 1 1 WH SDF09C3E8 WH UD09CE8 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 110: ...110 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 111: ...12C9E8 WH UD12CE8 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 112: ...112 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 113: ...14C9E8 WH UD14CE8 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 114: ...114 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 115: ...16C9E8 WH UD16CE8 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 116: ...116 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 117: ...0 40 3 41 10 00 3 70 9 60 3 99 9 20 4 28 8 70 4 30 8 20 4 31 2 11 80 3 14 11 40 3 35 11 00 3 57 10 60 3 78 9 80 3 98 9 10 4 18 7 12 00 2 14 12 00 2 57 12 00 3 00 12 00 3 43 12 00 3 82 12 00 4 20 25 12 00 1 42 12 00 1 70 11 80 1 98 11 70 2 27 11 50 2 53 11 40 2 78 HC Heating Capacity kW IP Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C 18 2 3 WH SDF14C9E8 WH UD1...

Page 118: ... 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 50 9 80 4 55 7 16 00 3 25 16 00 3 78 16 00 4 31 16 00 4 84 15 20 5 15 14 50 5 45 25 16 00 2 35 16 00 2 73 16 00 3 11 16 00 3 49 16 00 3 71 15 90 3 93 HC Heating Capacity kW IP Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C 18 3 Hydraulic Pump Performance ...

Page 119: ...Replacement Parts List 19 1 WH SDF09C3E8 WH SDF12C9E8 WH SDF14C9E8 WH SDF16C9E8 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 120: ...C5111 O 21 TERMINAL BOARD ASS Y 1 CWA28K1240 25 TERMINAL BOARD ASS Y 1 CWA28K1229 26 TERMINAL BOARD ASS Y 1 CWA28K1230 27 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00004 O 28 TERMINAL BOARD ASS Y 1 CWA28K1231 29a RESIDUAL CURRENT CIRCUIT BREAKER 1 2 CWA181008 29 RESIDUAL CURRENT CIRCUIT BREAKER 1 CWA181005 O 30 TRANSFORMER COMPLETE 1 CWA40C1075 O 31 SENSOR COMPLETE 1 CWA50C2762 O 32 REMOTE CONTROL COMPLETE...

Page 121: ...121 19 2 WH UD09CE8 WH UD12CE8 WH UD14CE8 WH UD16CE8 ...

Page 122: ...122 ...

Page 123: ...123 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 124: ... 1 CWA50C2576 27 SENSOR COMP TOP 1 CWA50C2629 27a SENSOR COMP DEF 1 CWA50C2577 28 CABINET REAR PLATE 1 CWE02C1059 29 CONTROL BOARD CASING 1 CWH10K1133 31 TERMINAL BOARD ASS Y 1 CWA28K1214 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745822 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C5074R CWA73C5075R CWA73C5076R CWA73C5077R O 46 REACTOR 3 G0C293J00001 48 TERMINAL COVER 1 CWH171039A 49 NUT FOR TERMINAL C...

Page 125: ...RO MAGNETIC SWITCH 1 K6C2AGA00002 72 ELECTRO MAGNETIC SWITCH 1 K6C4E8A00001 73 REACTOR 3 G0C153J00009 74 PTC THERMISTORS 1 D4DDG1010001 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock PHAAM Printed in Malaysia SYYW1009 00 ...

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Panasonic WH-SDF09C3E8, Service Manual

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