Panasonic WH-SXC09D3E5 Service Manual Download Page 71

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16.2. Relationship Between The Condition Of The Air-to-Water Heatpump

Indoor And Outdoor Units And Pressure And Electric Current

• Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started.

Heating Mode

Cooling Mode

Condition of the

Air-to-Water Heatpump

indoor and

outdoor units

Low Pressure

High Pressure

Electric current

during operation

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

Summary of Contents for WH-SXC09D3E5

Page 1: ...HA Air Conditioning M Sdn Bhd 2011 Unauthorized copying and distribution is a violation of law Order No PHAAM1104117C2 Air to Water Heatpump Indoor Unit Outdoor Unit WH SXC09D3E5 WH UX09DE5 WH SXC12D6E5 WH UX12DE5 ...

Page 2: ...ion Optional 58 12 15 External Room Thermostat Control Optional 62 12 16 Two ways valve control 63 13 Protection Control 64 13 1 Protection Control For All Operations 64 13 2 Protection Control For Heating Operation 66 13 3 Protection Control For Cooling Operation 66 14 Servicing Mode 67 14 1 Test Run 67 14 2 Proper Pump Down Procedure 67 14 3 How To Adjust Water Flow Rate 67 14 4 Expansion Vessel...

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: ...ouch 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 solder ...

Page 5: ...ter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 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 Po...

Page 6: ...Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 7 0 Heating 10 9 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 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 48 106 Refrig...

Page 7: ...8 5 8 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 30 98 4 I D O D Height Difference m ft 20 65 6 Additional Gas Amount g m oz ft 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 Cooling 600 Top Fan 6...

Page 8: ...Unit Performance Test Condition EUROVENT Operation Range Outdoor Ambient C Cooling 16 43 Heating 20 35 Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 12 4 Heating 17 4 Noise Level dB A Cooling 30 Heating 30 Power Level dB Cooling 43 Heating 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 51 112 Refri...

Page 9: ... 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 the heating capac...

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 SXC09D3E5 ...

Page 23: ...23 8 1 2 WH SXC12D6E5 ...

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

Page 25: ...25 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SXC09D3E5 ...

Page 26: ...26 9 1 2 WH SXC12D6E5 ...

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: ...g 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 conte...

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

Page 34: ...ng 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 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 h...

Page 35: ...d 2 It is strongly recommended to use manufacturer recommended parts and accessories for installation 3 Maximum output power of booster heater shall be 3 kW Booster Heater s cord must be 3 min 1 5 mm2 of type designation 60245 IEC 57 or heavier 4 Two way Valve shall be spring and electronic type refer to Field Supply Accessories table for details Valve s cable shall be 3 min 0 5 mm2 of type design...

Page 36: ...nstruction for detail of installation 12 Solar Pump Station s cable shall be 2 min 0 5 mm2 of double insulation PVC sheathed or rubber sheathed cable Strongly recommended install with maximum length of 10 meter only 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: ... 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 SXC09D3E5 UX09DE5 and WH SXC12D6E5 UX12DE5 0 236 Please ...

Page 38: ...specified torque as stated in the table Local pipes can project in any of four directions Make holes in the pipe panels for the pipes to pass through Be sure to install the pipe panels to prevent rain from getting inside the outdoor unit Removing the service panel 1 Remove the three mounting screws 2 Slide the service panel downward to release the pawls After this pull the service panel toward you...

Page 39: ...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 board cover from the unit by loosening the screw 2 Connecting cable between indoor unit and ...

Page 40: ...t 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 placed on a stand which is taller than 50 mm cover the 8 holes ø20mm with Rubber cap refer ...

Page 41: ... base value for temperature shifting processes These shifting processes are depending on the Air to Water Heatpump settings and the operation environment The final shifted value will 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 Outl...

Page 42: ...itch and fix to room side 2 Heat pump operate follow normal cooling operation 3 Backup heater DOES NOT operate during cool mode 4 Solar 3 way valve operates follow solar operation specification 5 2 ways valve control 2 ways valve is closed Cool Mode Operation Time Chart ...

Page 43: ...r Outlet set temperature is set to Maximum 53 C at tank mode i Case 1 THERMO OFF TEMP 1 THERMO OFF TEMP Water set temperature 2 C 2 Tank temperature THERMO OFF TEMP for continuous 3 minutes heat pump OFF and water pump OFF THERMO ON TEMP 1 THERMO ON TEMP Water set temperature 3 C 2 When detect tank temperature THERMO ON TEMP water pump ON for 3 minute then heat pump ON Pump ON when Tank temperatur...

Page 44: ...3 C 2 Heat pump ON back when water outlet temperature 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 1 Booster heater turn On and OFF follow normal operation 2 Booster heater turn ON condition During startup time initialization Booster heater turn ON after DELAY TIMER When ta...

Page 45: ...45 Solar Priority is Set Solar Priority is Not Set ...

Page 46: ...RMO OFF point refer to case below Operation condition when 3 ways valve switch to tank side Heat pump tank target 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 te...

Page 47: ...ternal Room Thermo OFF time Backup heater OFF 4 Booster heater control Booster heater On Off follow normal operation Under solar priority is set condition when solar 3 way valve is ON booster heater turn OFF 5 Solar 3 way valve Solar 3 way valve operates follow solar operation specification Under solar priority is set condition when solar 3WV turn ON booster heater will turn OFF and 3 ways valve s...

Page 48: ...perature THERMO ON TEMP End Room Interval Early OR Switch to tank heat up interval and start counting tank heat up timer when tank temperature THERMO ON TEMP AND solar 3WV OFF after room heat up timer complete Under solar priority not set condition Switch to tank heat up interval and start counting tank heat up timer when External Room Thermo OFF AND Tank temperature THERMO ON TEMP End Room Interv...

Page 49: ...rmo 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 Case 4 Only during solar priority is set condition When solar pump ON tank heat up interval end early and 3 ways valve switch to room side THERMO ON TEMP 1 THERMO ON TEMP Heat pump tank target temperature 3 C 2 After Heating heat up interval always d...

Page 50: ...olar priority is set condition when solar 3WV is ON booster heater turn OFF Under solar priority is not set condition solar 3WV only can ON during heating heat up interval 6 2 ways valve control 2 ways valve opens Heat Tank Mode Heating priority not set Under Solar Priority Set Condition ...

Page 51: ...51 Heat Tank Mode Heating priority not set Under Solar Priority Not Set Condition ...

Page 52: ... in warmer water and vice versa The user has the possibility to shift up or down the target water temperature by control panel setting Change in setting water outlet temperature is updated every 30 minutes 12 1 8 1 Heating Mode Operation Time Chart Exp 1 3 ways valve control 3 ways valve switch and fix to room side 2 Heat pump operate follow normal heating operation 3 Backup heater operate follow ...

Page 53: ...ET Switch pressed for less than 5secs immediately enter water temperature shift setting mode Once enter this setting mode SETTING display is ON This setting mode is used to easily shift the target water outlet temperature 12 1 10 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 compre...

Page 54: ...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 55: ...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 56: ...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 57: ...erval DELAY TIMER can be set by control panel 12 11 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 switch Off 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 wat...

Page 58: ...t When tank connection is NOT set at SETTING mode Solar operation is disabled When Pump A from Solar pump station is detected On through connection Y3 and Y4 then the Solar pump 3 Way Valve is requested ON Refer to figure below 12 14 2 Solar operation control When solar priority is SET 1 Operation condition Solar pump operates if all of the following conditions are fulfilled i Power On regardless ...

Page 59: ...OM 1 70 C iv Heat pump thermo OFF in tank mode OR Heat pump operate to room side During Operation ON and tank mode selected 2 Stop condition Solar pump stops operating when í No power supply to unit OR ii There is NO operation request from Solar pump station OR iii Tank hot water temp is above solar off upper limit temp EEPROM 2 77 C iv Heat pump thermo ON and operate to tank side During Operation...

Page 60: ...60 Solar Priority Not Set Heat Tank Mode Heating Priority Set ...

Page 61: ...61 Tank Mode Solar Priority Set Solar Priority Not Set ...

Page 62: ...ivate only when romote thermostat 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 Siemem REV200 Touch panel Siemem RAA200 Analog Setting L L1 H Heat Thermo L L2 C C...

Page 63: ...ing panel Control contents 1 When indoor running in heat mode OPEN the 2 ways valve 2 When indoor running in cool mode CLOSE the 2 ways valve 3 Stop condition a During stop mode fix 2 ways valve in close condition During pump down mode fix 2 ways valve in close condition During force mode open 2 ways valve Recommended Parts SFA 21 18 Siemens ...

Page 64: ... 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 again for more ...

Page 65: ... minute Detection conditions When abnormal high voltage detection 5V or when open circuit detection 0V for 5 seconds continuously After detection When abnormality is detected continue 5 seconds unit stop operation OFF ON control panel LED will blink H64 error occurs 13 1 8 Outside Temperature Current Control 13 1 9 Extreme Low Temperature Control Purpose To improve the compressor reliablity during...

Page 66: ... to avoid compressor overloading 13 2 2 Deice Operation When outdoor pipe temperature and outdoor air temperature is low deice operation start where outdoor fan motor stop 13 3 Protection Control For Cooling Operation 13 3 1 Outdoor Air Temperature Control The Compressor operating frequency is regulated in accordance to The outdoor air temperature as shown in The diagram below This control will be...

Page 67: ...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 68: ... case the water keeps drained out from the unit switch off the system and then contact your local authorized dealer 3 Indoor unit control board area Thorough visual inspection of the control board and look for defects i e loose connection melting of wire insulator and etc 4 RCCB ELCB Ensure the RCCB ELCB set to ON condition before check RCCB ELCB Turn on the power supply to the indoor unit This te...

Page 69: ... order of step a b 7 External water filter field supply Clean the external water filter in regularly basic 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 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 ...

Page 70: ...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 71: ... started Heating Mode Cooling Mode Condition of the Air to Water Heatpump indoor and outdoor units Low Pressure High Pressure Electric current during operation 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 defi...

Page 72: ...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 73: ...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 74: ...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 75: ...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 76: ...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 77: ... 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 78: ...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 79: ...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 80: ...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 81: ...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 82: ...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 83: ...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 84: ...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 85: ...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 86: ...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 87: ...ssure 4 0MPa 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 88: ...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 89: ...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 90: ...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 91: ... 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 92: ...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 93: ...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 94: ...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 95: ...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 96: ...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 97: ...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 98: ...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 99: ... 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 100: ...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 101: ... 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 102: ...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 103: ... 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 104: ... 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 105: ... 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 106: ...r 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 main 3 Compressor defective low compression Abnormality Judgment Continue 3 times in 20 minutes ...

Page 107: ... 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 108: ...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 109: ...109 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...

Page 110: ...110 17 5 To Remove RCCB ELCB 17 6 To Remove Transformer and Electronic Controller Board ...

Page 111: ...111 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 112: ...112 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 113: ...acteristics 18 1 1 WH SXC09D3E5 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 114: ...114 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 115: ...115 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 116: ...116 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 117: ...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 118: ...118 Cooling Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 119: ...119 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 120: ...120 Cooling Characteristics at Different Piping Length Condition Outdoor air temperature 35 C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7m ...

Page 121: ...r 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 00 4 90 12 00 5 51 7 12 00 2 22 12 00 2 57 12 00 3 00 12 00 3 43 12 00 3 82 12 00 4 20 25 13 60 1 59 13 60 1...

Page 122: ...ded View and Replacement Parts List 19 1 WH SXC09D3E5 WH SXC12D6E5 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 123: ...RMOSTAT 2 3 CWA151065 O 20 ELECTRONIC CONTROLLER MAIN 1 CWA73C5714 CWA73C5715 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 COMPLETE 1 CWA40C1075 O ...

Page 124: ...124 19 2 WH UX09DE5 WH UX12DE5 ...

Page 125: ...125 ...

Page 126: ...126 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 127: ...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 128: ...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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