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16.5.14. Indoor Freeze-up Protection (H99)

Malfunction Decision Conditions:

During anti-freezing control in cooling operation, when the indoor 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).

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Summary of Contents for WH-SXF09D3E5

Page 1: ...HA Air Conditioning M Sdn Bhd 2011 Unauthorized copying and distribution is a violation of law Order No PHAAM1104116C2 Air to Water Heatpump Indoor Unit Outdoor Unit WH SXF09D3E5 WH UX09DE5 WH SXF12D6E5 WH UX12DE5 ...

Page 2: ...ation Mode 55 12 13 Quiet Operation 55 12 14 Solar operation Optional 56 12 15 External Room Thermostat Control Optional 59 13 Protection Control 60 13 1 Protection Control For All Operations 60 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 Pressure Checking 6...

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: ... 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 Pb free solde...

Page 5: ...Gas Amount g m oz ft 50 0 5 Refrigeration Charge Less m ft 15 49 2 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 490 Top Fan 530 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 12...

Page 6: ...ower 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 47 104 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 F No of Speed 3 Input Power W...

Page 7: ...g m oz ft 50 0 5 Refrigeration Charge Less m ft 15 49 2 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 520 Top Fan 560 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 Ite...

Page 8: ... 4 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 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 F No ...

Page 9: ...tart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Serviceability Improvement Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Pumpdown Button for servicing purpose Front maintenance design for outdoor unit Operation Condition NOTICE When the outdoor temperature is out of the above temperature range...

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

Page 11: ...11 ...

Page 12: ...12 ...

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

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

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

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

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

Page 18: ... length additional refrigerant should be added as shown 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 UX09DE5 5 8 3 8 7 15 20 3 30 50 UX12DE5 5 8 3 8 7 15 20 3 30 50 ...

Page 19: ...19 ...

Page 20: ...20 7 Block Diagram 7 1 WH UX09DE5 ...

Page 21: ...21 7 2 WH UX12DE5 ...

Page 22: ...22 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SXF09D3E5 ...

Page 23: ...23 8 1 2 WH SXF12D6E5 ...

Page 24: ...24 8 2 Outdoor Unit ...

Page 25: ...25 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SXF09D3E5 ...

Page 26: ...26 9 1 2 WH SXF12D6E5 ...

Page 27: ...27 9 2 Outdoor Unit ...

Page 28: ...28 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 29: ...29 10 1 2 Solar Printed Circuit Board Optional ...

Page 30: ...30 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Page 31: ...31 10 2 2 Capacitor Printed Circuit Board 10 2 3 Noise Filter Printed Circuit Board ...

Page 32: ...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 with high content...

Page 33: ...llation plate Ensure the hooks are properly seated on the installation plate by moving it left and right 3 Fix the screws to the holes on the hooks of installation plate as illustrated below 11 3 3 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 outle...

Page 34: ... 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 35: ...e 3 x min 0 5 mm2 of type designation 60245 IEC 57 or heavier or similarly double insulation sheathed cable note Should be CE marking compliance component It shall be directed to heating mode when it is OFF Maximum load for the valve is 3VA 5 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 insul...

Page 36: ...36 11 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 37: ...e that the service current capacity at the interface point is sufficient for the installation of the equipment The equipment s power supply 2 complies with IEC EN 61000 3 12 The equipment s power supply 2 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models WH SXF09D3E5 UX09DE5 and WH SXF12D6E5 UX12DE5 0 236 Please...

Page 38: ...ied 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 service panel toward you to re...

Page 39: ... 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 DETAIL REFER TO WIRING DIAGRAM AT UNIT 1 Remove the control bo...

Page 40: ... in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above 11 4 6 Disposal of Outdoor Unit Drain Water When a Drain elbow is used please ensure to follow below the unit should be ...

Page 41: ... 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 tem...

Page 42: ...et 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 TIM...

Page 43: ...on Tank temperature Tank THERMO ON TEMP AND Solar Valve OFF Under Solar Priority Not Set condition Tank temperature Tank THERMO ON TEMP b Switch back 3 ways valve to room side Heat pump and water pump turn OFF IF External Room Thermo ON back OR Under Solar Priority Set condition Tank temperature Tank THERMO OFF TEMP for continuous 3 minutes OR Solar Valve ON Under Solar Priority Not Set condition ...

Page 44: ...n heat pump thermo off 3 C 2 If tank temperature THERMO ON TEMP AND External Room Thermo OFF switch to tank side Case 4 Only during solar priority is set condition When solar request ON solar valve will ON and switch 3 ways valve to room side THERMO ON TEMP 1 THERMO ON TEMP Heat pump tank target temperature 3 C 2 If tank temperature THERMO ON TEMP AND External Room Thermo OFF AND Solar 3WV OFF swi...

Page 45: ...45 Heat Tank Mode Heating priority set Under Solar Priority Set Condition Under Solar Priority Not Set Condition ...

Page 46: ...temperature tank set temperature or 55 C whichever lower Heat Pump Water Outlet set temperature is set to 53 C during tank interval Initial Tank THERMO ON TEMP heat pump tank target temperature 3 C Case 1 THERMO OFF TEMP 1 THERMO OFF TEMP Heat pump tank target temperature 2 C 2 Tank temperature THERMO OFF TEMP for continuous 3 minutes switch 3 ways valve to room side End Tank heat up interval and ...

Page 47: ...rol operation b During tank heat up interval Backup heater OFF during this interval 4 Booster heater control a During heating heat up interval Booster heater ON OFF according to booster heater operation control b 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 heate...

Page 48: ...48 Heat Tank Mode Heating priority not set Under Solar Priority Set Condition ...

Page 49: ...49 Heat Tank Mode Heating priority not set Under Solar Priority Not Set Condition ...

Page 50: ...utes 12 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 12 1 6 Water Temperature Thermo Shift Setting Switchs are ignored during PUMPDW ON Switchs are ignored during S...

Page 51: ...51 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 52: ...mp 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 pro...

Page 53: ...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 54: ...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 55: ... During 3 ways valve switch Off time the hot water will provide 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 12 12 Sterillization Mode 1 During Sterillization mode Tank will be heat up to the Sterillize Set temperature for ...

Page 56: ... stops operating when No power supply to unit OR There is NO operation request from Solar pump station OR Tank hot water temp is above solar off upper limit temp 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 o...

Page 57: ...57 ...

Page 58: ...58 ...

Page 59: ...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 60: ...r will restart delay 3 minutes when the IPM temperature decreases to 90 C If this condition repeats continuously 3 times within 30 minutes system will stop operation and OFF ON control panel LED will blink F22 error occurs B DC Peak Current Control 1 When the current to IPM exceeds set value of 53 5 5 0 A compressor will stop Compressor will restart after three minutes 2 If the set value exceeds a...

Page 61: ...ain after 3 mins When abnormalities continuously generated 60 times within 480 minutes system stops Protection operation is prohibited Error H42 will be displayed 13 1 7 High pressure sensor control Purpose To protect the system operation Detection period After compressor on for 1 minute Detection conditions When abnormal high voltage detection 5V or when open circuit detection 0V for 5 seconds co...

Page 62: ...heater control Purpose For compressor protection during low outdoor ambient operation during heating low temperature operation Control content a Trigger heater START conditon when the outdoor air temperature is 13 C or below and discharge temperature is 13 2 C or below b Resetting heater STOP condition 1 when the outdoor air temperature exceeds entry condition 15 C 2 when the discharge temperature...

Page 63: ...e 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 50 litres minimum The water flow rate can be adjusted with select the water pump speed on the water pump The default setting is moderate speed II However please ensure th...

Page 64: ...d 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 ELCB Ensure the RCCB ELCB set to ON condition before check RCCB ELCB 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 ELCB Th...

Page 65: ...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 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: ...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 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: ...ected F46 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 ...

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 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 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: ...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 17 2 To Remove Cabinet WARNING High Voltage are generated in the electrical parts area by the capacitor Ensure that the c...

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

Page 106: ...106 17 5 To Remove RCCB ELCB 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 SXF09D3E5 WH UX09DE5 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: ...12D6E5 WH UX12DE5 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: ... 20 1 97 12 80 2 18 12 00 2 45 11 20 2 71 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 12 00 4 79 12 00 5 00 11 50 5 21 11 00 5 42 10 70 5 86 10 50 6 30 7 12 00 3 89 12 00 4 45 12 00 5 02 12 00 5 58 12 00 5 94 12 00 6 30 2 12 00 3 23 12 00 3 53 12 00 3 91 12 00 4 29 12...

Page 114: ...ded View and Replacement Parts List 19 1 WH SXF09D3E5 WH SXF12D6E5 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 115: ...G302595 CWG302575 19 THERMOSTAT 2 3 CWA151065 O 20 ELECTRONIC CONTROLLER MAIN 1 CWA73C5712 CWA73C5713 O 21 TERMINAL BOARD ASS Y 1 CWA28K1217 22 TERMINAL BOARD ASS Y 1 CWA28K1232 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 29 RESIDUAL CURRENT CIRCUIT BREAKER 2 3 CWA181005 O 30 TRANSFORMER ...

Page 116: ...116 19 2 WH UX09DE5 WH UX12DE5 ...

Page 117: ...117 ...

Page 118: ...118 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 119: ...EF 1 CWA50C2577 28 CABINET REAR PLATE 1 CWE02C1064 29 CONTROL BOARD CASING 1 CWH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 36 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746082 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745446 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C5729R CWA73C5730R O 46 REACTOR 1 G0C592J00006 47 REACTOR 1 G0C592J00007 48 TERMINAL COVER 1 CWH171039A 49 NUT FOR TERMINAL COVER 1 CWH70...

Page 120: ...re recommended to be kept in stock PHAAM Printed in Malaysia FY1104 0 73 V COIL COMPLETE EXP VALVE BYPASS 1 CWA43C2335 74 SENSOR OD TEMP COIL BYPASS 1 CWA50C2797 75 EXPANSION VALVE 1 CWB051029 76 ACCESSORY CO DRAIN ELBOW 1 CWG87C2030 REF NO DESCRIPTION NAME QTY WH UX09DE5 WH UX12DE5 REMARKS ...

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