Panasonic (WH-UD12CE5-A-1 Service Manual Download Page 87 | Manualshive

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15. Servicing

Mode

15.1 How to Take Out Front Plate

Please follow the steps below 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 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 and right hooks.
3 Hold the left edge and right edge of front plate to lift up front plate from hooks.

15.2 How to Take Out Side Cabinet

Please follow the steps below to remove the side
cabinet. Before removing the front plate of indoor
unit always switch off all power supply (i.e. indoor
power supply, heater power supply and tank unit
power supply).
1 Perform the steps in HOW TO TAKE OUT

FRONT PLATE.

2 Remove all the 13 mounting screws on the left,

right and top of the side cabinet.

3 Gently remove the side cabinet by holding

both of the handles.

15.3 Test

Run

1 Fill up the boiler tank with water. For details refer to boiler tanks installation instruction and operation

instruction.

2 Set ON to the indoor unit and RCCB/ELCB. Then, for control panel’s operation please refers to air-to-water

heatpump’s operation instruction.

3 For normal operation, pressure gauge reading should be in between 0.05 MPa and 0.3 MPa.

If necessary, adjust the water pump speed accordingly to obtain normal water pressure operating range. If
adjust water pump speed cannot solve the problem, contact your local authorized dealer.

4 After test run, please clean the external filter. Reinstall it after finish cleaning.

15.4 Proper Pump Down Procedure

Strictly follow the steps below for proper pump down procedure. Explosion may occur if the steps are not

followed as per sequence.
1 Press the “SERVICE” switch on control panel to enter SERVICE mode. Operate the system in Sr :

01 mode for pump down operation.

2 After 10~15 minutes, (after 1 or 2 minutes in case very low ambient temperatures (< 10°C)), fully close

2 way valve.

3  After 3 minutes, fully close 3 way valve.
4  Press the “OFF/ON” switch on control panel to stop pump down operation.
5  Remove the refrigerant piping.

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Summary of Contents for (WH-UD12CE5-A-1

Page 1: ...EMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigeration 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 pr...

Page 2: ...13 Operation and Control 63 13 1 Basic Function 63 13 2 Water Pump 74 13 3 Pump Down Operation 75 13 4 Flow Switch 75 13 5 Force Heater Mode Operation 75 13 6 Indoor Unit Safety 76 13 7 Auto Restart Control 76 13 8 Indication Panel 76 13 9 Indoor Back Up Heater Control 77 13 10Tank Booster Heater Control 77 13 11Base Pan Heater Control Optional 78 13 12Three Way Valve Control 78 13 13Sterillizatio...

Page 3: ...st 147 20 1 WH SDF07C3E5 WH SDF09C3E5 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 WH SDF07C3E5 1 WH SDF09C3E5 1 WH SDF12C6E5 1 WH SDF14C6E5 1 WH SDF16C6E5 1 147 20 2 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 149 20 3 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 154 ...

Page 4: ... instruction An independent circuit 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 insulatio...

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

Page 6: ... 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 30 0 3 Refrigeration Charge Less m ft 10 32 8 Type Hermetic Motor Rotary Motor Type Brushless 4 poles Compressor Rated Output kW 1 70 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 580 Fin material Aluminium Pre Coat Fin ...

Page 7: ...nlet mm inch 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 2 5 μF No of Speed 3 Pump Input Power W 100 Type Brazed Plate No of Plates 48 Size W x H x L mm 93 82 325 Hot Water Coil Water Flow Rate l min m 3 h 20 1 1 2 Pressure Relief Valve Water Circuit kPa Open 300 Close 265 and below Flow Switch ...

Page 8: ... D O D 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 Type Hermetic Motor Rotary Motor Type Brushless 4 poles Compressor Rated Output kW 1 70 Type Propeller Fan Material PP Motor Type Induction 8 poles Input Power W Output Power W 60 Fan Fan Speed rpm 640 Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 30 17 Heat...

Page 9: ...ameter Outlet mm inch 28 1 3 32 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Motor Type Capacitor Run Induction Motor 2 5 μF No of Speed 3 Pump Input Power W 100 Type Brazed Plate No of Plates 48 Size W x H x L mm 93 82 325 Hot Water Coil Water Flow Rate l min m 3 h 25 8 1 6 Pressure Relief Valve Water Circuit kPa Open 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Devi...

Page 10: ...ifference 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 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 510 Top Fan 550 Bottom Fan Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51...

Page 11: ...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 190 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 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Dev...

Page 12: ...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 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 540 Top Fan 580 Bottom Fan Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 5...

Page 13: ...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 190 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 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Dev...

Page 14: ...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 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 580 Top Fan 620 Bottom Fan Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 5...

Page 15: ...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 190 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 300 Close 265 and below Flow Switch Magnetic Lead Switch Protection Dev...

Page 16: ...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 Indoor Outdoor Water out...

Page 17: ...17 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...

Page 18: ...18 ...

Page 19: ...19 ...

Page 20: ...20 4 1 2 Weekly Timer Setting ...

Page 21: ...21 4 1 3 Setting Up The Special Functions ...

Page 22: ...22 4 1 4 Main Components ...

Page 23: ...23 4 2 Outdoor Unit ...

Page 24: ...24 5 Dimensions 5 1 Indoor Unit ...

Page 25: ...25 5 2 Outdoor Unit 5 2 1 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 ...

Page 26: ...26 5 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 ...

Page 27: ...ngth m Max Piping Length m Additional Refrigerant g m UD07CE5 5 8 1 4 5 7 5 20 3 30 30 UD09CE5 5 8 1 4 5 7 5 20 3 30 30 UD12CE5 5 8 3 8 5 7 5 30 3 40 50 UD14CE5 5 8 3 8 5 7 5 30 3 40 50 UD16CE5 5 8 3 8 5 7 5 30 3 40 50 If piping length is over common length additional refrigerant should be added as shown in the table ...

Page 28: ...28 7 Block Diagram 7 1 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 ...

Page 29: ...29 7 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 ...

Page 30: ...30 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SDF07C3E5 WH SDF09C3E5 WH SDF07C3E5 1 WH SDF09C3E5 1 ...

Page 31: ...31 8 1 2 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 WH SDF12C6E5 1 WH SDF14C6E5 1 WH SDF16C6E5 1 ...

Page 32: ...32 8 2 Outdoor Unit 8 2 1 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 ...

Page 33: ...33 8 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 ...

Page 34: ...34 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SDF07C3E5 WH SDF09C3E5 WH SDF07C3E5 1 WH SDF09C3E5 1 ...

Page 35: ...35 9 1 2 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 WH SDF12C6E5 1 WH SDF14C6E5 1 WH SDF16C6E5 1 ...

Page 36: ...36 9 2 Outdoor Unit 9 2 1 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 ...

Page 37: ...37 9 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 ...

Page 38: ...38 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 39: ...39 10 1 2 Solar Printed Circuit Board Optional ...

Page 40: ...40 10 2 Outdoor Unit 10 2 1 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 10 2 1 1 Main Printed Circuit Board ...

Page 41: ...41 10 2 1 2 Capacitor Printed Circuit Board 10 2 1 3 Noise Filter Printed Circuit Board ...

Page 42: ...42 10 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 10 2 2 1 Main Printed Circuit Board ...

Page 43: ...43 10 2 2 2 Capacitor Printed Circuit Board 10 2 2 3 Noise Filter Printed Circuit Board ...

Page 44: ...UNIT 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 installations in areas where the ambient temperature may drop 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 i...

Page 45: ...solar pump station the distance between both apparatuses shall be 2 8 meters and the length of the said cable must be shorter than 10 meter Failure to do so may lead to abnormal operation to the system 2 Engage the slots on the indoor unit to the hooks of installation plate Ensure the hooks are properly seated on the installation plate by moving it left and right 3 Fix the screws to the holes on t...

Page 46: ...age 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 piping and sufficiently tighten the ...

Page 47: ...ring and electronic type Valve 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 should be directed to heating mode when it is OFF Maximum load for the valve is 9 8VA 5 Room Thermostat cable must be 4 or 3 x min 0 5 mm2 double insulation layer of PVC sheathed or rubber sheathed ...

Page 48: ...48 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 49: ...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 50: ...rting 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 panel 1 ...

Page 51: ...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 o Be sure to check for gas leakage CAUTION If gauge needle does not move from 0cmHg 0MPa to 76cmHg 0 1MPa in step above take the following measur...

Page 52: ...m 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 is used please ensure to follow below o the unit should be placed on a stand which is taller than 50...

Page 53: ... is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed Avoid installations in areas where the ambient temperature may drop 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...

Page 54: ...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 12 3 3 2 Water Pipi...

Page 55: ... are after inserting fl are 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 nut with torque wr...

Page 56: ...alve shall be spring and electronic type Valve 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 should be directed to heating mode when it is OFF Maximum load for the valve is 9 8VA 5 Room Thermostat cable must be 4 or 3 x min 0 5 mm2 double insulation layer of PVC sheathed or ...

Page 57: ...57 Terminal screw Tightening torque N cm kgf cm M4 157 196 16 20 M5 196 245 20 25 12 3 4 1 Wire Stripping and Connecting Requirement ...

Page 58: ...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 SDF1...

Page 59: ...N 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 project in any...

Page 60: ...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 serv...

Page 61: ...eted tie the wires 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 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 IN...

Page 62: ...50 mm o cover the 8 holes ø20mm with Rubber cap refer to illustration below o use a tray field supply when necessary to dispose the outdoor unit drain water If the unit is used in an area where temperature falls below 0 C for 2 or 3 consecutive days it is recommended not to use the Drain elbow and Rubber cap for the drain water freezes and the fan will not rotate ...

Page 63: ...et Temperature Internal Water Setting Temperature 2 C for continuously 3 minutes Compressor is ON after waiting for 3 minutes if the Water Outlet Temperature Water Inlet Temperature temperature at thermostat OFF is triggered 3 C 13 1 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 Tank ...

Page 64: ...after DELAY TIMER 2 When tank temperature lower than HEATER ON TEMP 3 20 minutes from previous heater off Booster heater turn OFF condition 1 When tank temperature higher than tank set temperature for continuous 15 secs Solar 3 way valve Solar pump operates follow solar operation specification 2 way valve closes Others Indoor backup heater cannot be ON during tank mode only ...

Page 65: ...65 ...

Page 66: ...oom Thermo OFF AND Solar 3 ways valve OFF 2 Heat pump operation control o During External Room Thermo ON time When room thermo ON heat pump must operate to room side Heat pump operate follow normal operation at room side o During External 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 Sola...

Page 67: ...2 o Heat pump THERMO OFF TEMP 1 Heat pump THERMO OFF TEMP 53 C 4 C 2 Water outlet temperature Heat pump THERMO OFF TEMP for continuous 3 minutes heat pump OFF o Next THERMO ON TEMP 1 THERMO ON TEMP Water inlet when heat pump THERMO OFF 3 C 2 If water outlet temperature THERMO ON TEMP AND External Room Thermo OFF heat pump ON Case 3 o Heat pump THERMO OFF TEMP 1 Water inlet temperature 55 C for con...

Page 68: ...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 ...

Page 69: ...emperature or 50 C whichever lower Heat pump Water Outlet set temperature is set to Maximum 55 C during tank interval Initial Tank THERMO ON TEMP heat pump tank target temperature 1 C Case 1 THERMO OFF TEMP 1 THERMO OFF TEMP Heat pump tank target temperature 1 C 2 Tank temperature THERMO OFF TEMP for continuous 10 seconds after heat pump off due to water thermo switch 3 ways valve to room side End...

Page 70: ...eat up interval Booster heater ON OFF according to booster heater operation control o During tank heat up interval Once switch from heating heat up interval to tank heat up interval turn off the booster heater and start counting the BOOSTER HEATER DELAY TIMER Booster heater turn ON after BOOSTER HEATER DELAY TIMER fulfill and tank temperature lower than tank set temperature BOOSTER HEATER DELAY TI...

Page 71: ...71 ...

Page 72: ...72 ...

Page 73: ...ump 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 operation 4 Solar 3 way valve operates follow solar operation specification 5 2 way valve opens 13 1 6 Water Temperature Thermo Shift Setting Swit...

Page 74: ...ill be OFF permanently and OFF ON control panel LED will blink H62 error occurs When error happen the power has to be reset to clear the error If there is no error indication The water pump shall be continuously running The water pump will remain ON when compressor OFF due to thermostat OFF setting is reached Pump ON OFF control a During operation OFF or water pump stop at Tank Mode b During ERROR...

Page 75: ...ce mode 2 In service mode select Sr 01 and press SET S W to start Pump Down operation 3 There will be no Low Pressure error Freeze prevention judgement during pumpdown operation 4 3 ways valve will shift to room side 5 Press the ON OFF button to stop the unit 13 4 Flow Switch 13 4 1 Flow Switch Control 1 The water flow switch serve as an overload protector that shuts down the unit when the water l...

Page 76: ...he 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 13 7 Auto Restart Control 1 When the power supply is cut off during the operation of Air to Water Heatpump the compressor will re operate after power supply resumes 13 8...

Page 77: ...ater 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 outlet temperature water set temperature 8 C c 20 minutes since previous Backup heater Off o Heater Stop condition a Force mode off OR b When water outlet temperature water set temperature 2 C for continuous 15 secs Do not operate heater at the foll...

Page 78: ...heater will continue ON for 10 minutes after deice operation ends Base pan heater OFF condition o When outdoor ambient temperature 3 C OR o When operation is not heating OR o Base pan heater ON timer count completed 13 12 Three Way Valve Control Purpose 3 ways valve is used to change flow direction of hot water from heat pump between heating side and tank side Control contents 1 3 ways valve switc...

Page 79: ...eration by reduces outdoor unit noise Starting condition 1 When quiet button is presses 2 When quiet request ON time by weekly timer Refer to control panel When any of above mentioned condition is achieved this control is activated New target FM speed Present target FM speed 80 rpm Minimum target FM speed 200 rpm Cancellation condition 1 Cancel by press quiet button 2 Stop by OFF ON button 3 When ...

Page 80: ... the Solar pump 3 Way Valve is requested ON Refer to figure below 13 16 2 Solar Operation Control When solar priority is SET 1 Operation condition a 3 way valve operates if all of the following conditions are fulfilled Power On regardless operation ON or OFF There is operation request from solar pump station Tank hot water temp is below solar on upper limit temp 72 C 2 Stop condition a 3 way valve...

Page 81: ...rating when No power supply to unit OR There is NO operation request from solar pump station OR Tank hot water temp is above solar off upper limit temp 80 C Heat pump thermo ON and operate to tank side during operation ON and tank mode selected ...

Page 82: ...82 ...

Page 83: ...uit 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 YE...

Page 84: ... 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 UD07CE and UD09CE 44 7 5 0 A UD12CE UD14CE and UD16CE compressor will stop Compressor will restart after three minu...

Page 85: ...top operation o OFF ON control panel LED will blink H64 error occurs 14 1 9 Outside Temperature Current Control 14 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 temperature is 12 C or below...

Page 86: ...e operation start where outdoor fan motor stop 14 2 3 Heat exchanger hot water coil protection control Backup heater ON condition o water inlet temperature 23 C AND o outdoor ambient temperature 10 C Backup heater OFF condition o water inlet temperature 25 C OR o outdoor ambient temperature 13 C ...

Page 87: ...olding both of the handles 15 3 Test Run 1 Fill up the boiler tank with water For details refer to boiler tanks installation instruction and operation instruction 2 Set ON to the indoor unit and RCCB ELCB Then for control panel s operation please refers to air to water heatpump s operation instruction 3 For normal operation pressure gauge reading should be in between 0 05 MPa and 0 3 MPa If necess...

Page 88: ...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 15 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 89: ...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 90: ...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 91: ...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 92: ...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 93: ...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 94: ...akage 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 motor lock abnormality 2 times occurrence w...

Page 95: ...6 Outdoor Current 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...

Page 96: ...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 97: ...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 98: ... 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 99: ...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 100: ...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 101: ...Decision 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 102: ...on 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 103: ...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 104: ...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 105: ...cation Abnormality H76 Malfunction Decision Conditions During standby and operation of cooling and heating indoor control panel error occur Malfunction Caused 4 Faulty connector connection 5 Faulty control panel 6 Faulty indoor unit PCB main ...

Page 106: ...is normal Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty indoor unit PCB main 3 Indoor outdoor signal transmission error due to wrong wiring 4 Indoor outdoor signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units 5 Indoor outdoor signal transmission error due to disturbed power supply waveform Abnormality Judgment Continue for 1 m...

Page 107: ...ion Conditions During operation of tank booster heater and tank booster heater OLP open circuit Malfunction Caused 1 Faulty connector connection 2 Faulty tank booster heater overload protector OLP 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Page 108: ...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 109: ...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 110: ...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 111: ...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 112: ... 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 113: ...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 114: ...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 115: ...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 116: ...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 117: ...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 118: ...A I 1 65A 3 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 compressor Abnormality Judgment Continue 2 times...

Page 119: ... 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 120: ...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 121: ... 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 122: ...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 123: ... 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 124: ...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 125: ... 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 126: ... 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 127: ... 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 128: ...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 129: ... 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 130: ...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 131: ...131 18 3 To Remove Pressure Gauge 18 4 To Remove Control Panel ...

Page 132: ...132 18 5 To Remove RCCB 18 6 To Remove Transformer and Electronic Controller Board ...

Page 133: ...133 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 134: ...134 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 135: ... 1 WH SDF07C3E5 WH UD07CE5 A WH SDF07C3E5 1 WH UD07CE5 A 1 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 136: ...136 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 137: ...5 A WH SDF09C3E5 1 WH UD09CE5 A 1 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 138: ...138 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 139: ...5 A WH SDF12C6E5 1 WH UD12CE5 A 1 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 140: ...140 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 141: ...5 A WH SDF14C6E5 1 WH UD14CE5 A 1 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 142: ...142 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 143: ...5 A WH SDF16C6E5 1 WH UD16CE5 A 1 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 144: ...144 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 145: ...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 19 2 3 WH SDF12C6E...

Page 146: ... Power Input kW LWC Leaving Water Condenser Temperature C Tamb Ambient Temperature C 19 2 5 WH SDF16C6E5 WH UD16CE5 A WH SDF16C6E5 1 WH UD16CE5 A 1 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 50 ...

Page 147: ...SDF09C3E5 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 WH SDF07C3E5 1 WH SDF09C3E5 1 WH SDF12C6E5 1 WH SDF14C6E5 1 WH SDF16C6E5 1 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 148: ...A34K1014 CWA34K1020 18 SOUND PROOF MATERIAL 1 CWG302595 CWG302702 19 THERMOSTAT 2 CWA151065 O 20 ELECTRONIC CONTROLLER MAIN 1 CWA73C6703 CWA73C6704 CWA73C6705 CWA73C6706 CWA73C6707 O 21 TERMINAL BOARD ASS Y 1 CWA28K1217 O 25 TERMINAL BOARD ASS Y 1 CWA28K1229 O 26 TERMINAL BOARD ASS Y 1 CWA28K1230 O 27 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00004 O 28 TERMINAL BOARD ASS Y 1 CWA28K1231 O 29 RESIDUAL CURRE...

Page 149: ...149 20 2 WH UD07CE5 A WH UD09CE5 A WH UD07CE5 A 1 WH UD09CE5 A 1 ...

Page 150: ...150 ...

Page 151: ...151 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 152: ... 28 CABINET REAR PLATE COMPLETE 1 CWE02C1058 29 CONTROL BOARD CASING 1 CWH10K1100 32 TERMINAL BOARD ASS Y 1 CWA28K1198 O 34 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746184 O 38 ELECTRONIC CONTROLLER NF 1 CWA745745 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C4833R CWA73C4834R O 46 REACTOR 2 G0C592J00005 O 48 TERMINAL COVER 1 CWH171039A 49 NUT TERMINAL COVER 1 CWH7080300J 50 FAN MOTOR BRACKET 1 CWD54K1052 5...

Page 153: ... WH UD07CE5 A 1 WH UD09CE5 A WH UD09CE5 A 1 REMARK 81 ACCESSORY COMPLETE 1 CWH82C1535 82 ACCESSORY CO DRAIN ELBOW 1 CWG87C900 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 154: ...154 20 3 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A WH UD12CE5 A 1 WH UD14CE5 A 1 WH UD16CE5 A 1 ...

Page 155: ...155 ...

Page 156: ...156 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 157: ...SENSOR COMP TEMP COIL 1 CWA50C2730 O 26 SENSOR COMP DISCHARGE 1 CWA50C2576 27 SENSOR COMPLETE TOP 1 CWA50C2629 O 27a SENSOR COMP DEF 1 CWA50C2577 O 28 CABINET REAR PLATE COMPLETE 1 CWE02C1059 29 CONTROL BOARD CASING 1 CWH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 O 36 ELECTRONIC CONTROLLER 1 CWA746169 O 38 ELECTRONIC CONTROLLER NF 1 CWA745446 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C4835R CWA73C4...

Page 158: ...UD14CE5 A 1 WH UD16CE5 A WH UD16CE5 A 1 REMARK 70 EXPANSION VALVE 1 CWB051028 72 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00003 O 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 FB0412 0 ...

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