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102

17 Disassembly and Assembly Instructions

17.1. To Remove The Cabinet Front Plate

17.2. To Remove The Cabinet Top Plate

WARNING

High Voltage are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding

with repair work. Failure to heed this caution may result in electric shocks.

WARNING

Be sure to switch off all the power supply before performing each of the below action.

Содержание WH-MXF09D3E5

Страница 1: ...nasonic HA Air Conditioning M Sdn Bhd 2011 Unauthorized copying and distribution is a violation of law Order No PHAAM1105118C2 Monobloc Air to Water Heatpump System Monobloc Unit WH MXF09D3E5 WH MXF12D6E5 ...

Страница 2: ...iet Operation 53 12 14 Solar operation Optional 54 12 15 External Room Thermostat Control Optional 57 13 Protection Control 58 13 1 Protection Control For All Operations 58 13 2 Protection Control For Heating Operation 60 14 Servicing Mode 61 14 1 Test Run 61 14 2 Proper Pump Down Procedure 61 14 3 How To Adjust Water Flow Rate 61 14 4 Expansion Vessel Pre Pressure Checking 61 15 Maintenance Guide...

Страница 3: ...andard regulation and the installation 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...

Страница 4: ... 4 Do not touch monobloc 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 ...

Страница 5: ...nger Fin material Aluminium Pre Coat Fin Type Corrugated Fin Row Stage FPI 2 51 18 Size W H L mm 881 5 1295 4 44 Item Unit Monobloc Unit Dimension Height mm inch 1410 55 5 Width mm inch 1283 50 5 Depth mm inch 320 12 6 Net Weight kg lbs 155 342 Noise Level dB A 49 Power Level dB 66 Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power kW 1 90 Maximum Input Power For Monobloc Unit kW 5 ...

Страница 6: ...ressure Differential kPa 15 0 Refrigerant Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 30 1 3 16 Outlet mm inch 30 1 3 16 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Input Power W 180 Hot Water Coil Type Brazed Plate No of Plates 60 Size W x H x L mm 93 x 100 x 325 Water Flow R...

Страница 7: ...gated Fin Row Stage FPI 2 51 18 Size W H L mm 881 5 1295 4 44 Item Unit Monobloc Unit Dimension Height mm inch 1410 55 5 Width mm inch 1283 50 5 Depth mm inch 320 12 6 Net Weight kg lbs 155 342 Noise Level dB A 50 Power Level dB 67 Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power kW 2 57 Maximum Input Power For Monobloc Unit kW 6 27 Power Supply 1 Phase ø Max Current A Max Input P...

Страница 8: ...Pa 27 5 Refrigerant Pipe Diameter Liquid mm inch 9 52 3 8 Gas mm inch 15 88 5 8 Water Pipe Diameter Inlet mm inch 30 1 3 16 Outlet mm inch 30 1 3 16 Water Drain Hose Inner Diameter mm inch 15 00 19 32 Pump Motor Type Capacitor Run Induction Motor 5 μF No of Speed 3 Input Power W 180 Hot Water Coil Type Brazed Plate No of Plates 60 Size W x H x L mm 100 x 93 x 325 Water Flow Rate l min m3 h 34 4 2 ...

Страница 9: ...r 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 monobloc unit Operation Condition NOTICE When the outdoor temperature is out of the above temperature range the heating capacity will drop significantly and mono...

Страница 10: ...10 4 Location of Controls and Components 4 1 Monobloc Unit ...

Страница 11: ...11 4 1 1 Main Components ...

Страница 12: ... Control 4 1 2 1 Remote Control Some functions described in this manual may not be applicable to your unit Consult your nearest authorized dealer for further information For normal operation the and buttons are not in use ...

Страница 13: ...13 ...

Страница 14: ...on you can manually adjust the settings The initial setting remains active until the user changes it The remote control can be used for multiple installations Some functions may not be applicable to your unit Ensure the operation LED is in OFF condition before setting ...

Страница 15: ...15 4 1 4 Basic Operation 4 1 5 Advance Operation ...

Страница 16: ...16 4 1 6 Weekly Timer Setting ...

Страница 17: ...17 5 Dimensions 5 1 Monobloc Unit ...

Страница 18: ...18 6 Refrigeration And Water Cycle Diagram ...

Страница 19: ...19 ...

Страница 20: ...20 7 Block Diagram 7 1 WH MXF09D3E5 ...

Страница 21: ...21 7 2 WH MXF12D6E5 ...

Страница 22: ...22 8 Wiring Connection Diagram 8 1 WH MXF09D3E5 ...

Страница 23: ...23 ...

Страница 24: ...24 8 2 WH MXF12D6E5 ...

Страница 25: ...25 ...

Страница 26: ...26 9 Electronic Circuit Diagram 9 1 WH MXF09D3E5 ...

Страница 27: ...27 ...

Страница 28: ...28 9 2 WH MXF12D6E5 ...

Страница 29: ...29 ...

Страница 30: ...30 10 Printed Circuit Board 10 1 Water System 10 1 1 Main Printed Circuit Board ...

Страница 31: ...31 10 1 2 Solar Printed Circuit Board Optional ...

Страница 32: ...32 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board ...

Страница 33: ...33 10 2 1 1 Capacitor Printed Circuit Board 10 2 1 2 Noise Filter Printed Circuit Board ...

Страница 34: ...34 11 Installation Instruction Monobloc Unit Dimension Diagram ...

Страница 35: ...35 Main Components It is advisable to avoid more than 2 blockage directions For better ventilation multiple outdoor installation please consult authorized dealer specialist ...

Страница 36: ...e Mono bloc unit at a location where suction side may be exposed directly to wind If Mono bloc unit installed near sea region with high content of sulphur or oily location e g machinery oil etc it lifespan maybe shorten When connecting solar pump station cable between Mono bloc unit and solar pump station the distance between both apparatuses shall be 2 8 meters and the length of the said cable mu...

Страница 37: ...n make sure to insulate the piping to prevent galvanic corrosion Do not use pipes that are crushed or deformed If these inferior pipes are used it may cause unit malfunction Make sure to insulate the water circuit piping insulator thickness 20mm or more to prevent reduction of heating capacity as well as avoid freezing of the outdoor water circuit piping during winter season After installation che...

Страница 38: ...ht side of Mono bloc unit before carry out electrical connection The bushing must be used and must not take off 3 Secure the cable onto the control board with the holder clamper Connecting with external device optional 1 All connections shall follow to the local national wiring standard 2 It is strongly recommended to use manufacturer recommended parts and accessories for installation 3 Maximum ou...

Страница 39: ...ll be 3 min 0 5 mm2 double insulation layer PVC sheathed or polychloroprene sheathed cable 10 Must install Solar Connection PCB optional to Mono bloc unit when Solar Pump Station is utilized Refer Solar Connection PCB s installation instruction for detail of installation 11 Solar Pump Station s cable shall be 2 min 0 5 mm2 of double insulation PVC sheathed or polychloroprene sheathed cable Strongl...

Страница 40: ...ase 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 supply 2 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models WH MXF12D6E5 0 23...

Страница 41: ... screws as it may result in damage to the lower case A If Remote Controller Cable Is Embedded 1 Embed an outlet box JIS C 8336 into the wall Outlet box may be purchased separately Medium sized square outlet box obtain locally Part No DS3744 Panasonic Co Ltd or equivalent 2 Secure the remote controller lower case to the outlet box with the two accessory screws 3 Make sure that the lower case is fla...

Страница 42: ...r detail 3 Guide the remote controller cable through the clamper and Bushing Refer illustration How to connect Remote Controller to Provided Connector for detail 4 Reinstall the cabinet front plate after connection complete 11 4 3 4 Disposal of Mono bloc 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 50mm Cover th...

Страница 43: ...ed 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 temper...

Страница 44: ...ing 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 TIMER 2 W...

Страница 45: ...Priority is set not set by control panel 1 3 ways valve control 3 ways valve switch to room side during heating heat up interval and switch to tank side during tank heat up interval Both mode will switch alternatively 2 Heat pump operation control During heating heat up interval Follow normal heating operation Under solar priority set condition Always detect the tank temperature after heating heat...

Страница 46: ...ys valve to room side End tank heat up interval and start count heating heat up interval THERMO ON TEMP 1 THERMO ON TEMP Tank temp when heatump thermo off 3 C 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature THERMO ON TEMP iv Case 4 Only during solar priority is set condition When solar pump ON tank heat up interval end earl...

Страница 47: ...47 Under solar 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 ...

Страница 48: ... Outdoor temperature is updated every 30 minutes when operation ON 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 Swi...

Страница 49: ...is setting mode is used to easily shift the target water outlet temperature 12 1 7 Fan Motor Operation Fan motor is adjusted according to operation condition It starts when compressor starts operation and it stops 30 seconds after compressor stops operation ...

Страница 50: ... pump 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 monobloc unit 1 Make sure the OFF ON remote control LED is OFF no operation 2 Press the Pump Down button to start the pump down operation 3 No low pressur...

Страница 51: ...he system 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 pu...

Страница 52: ...ter 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 since previ...

Страница 53: ... 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 ...

Страница 54: ... 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...

Страница 55: ...55 ...

Страница 56: ...56 ...

Страница 57: ...connection select YES by Indoor remote control 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 Op...

Страница 58: ...estart 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 remote control LED will blink F22 error occurs B DC Peak Current Control 1 When the current to IPM exceeds set value of 49A 5A for MXF09D MXF12D compressor will stop Compressor will restart after three minutes 2 If the set value ex...

Страница 59: ...econds continuously After detection When abnormality is detected continue 5 seconds unit stop operation OFF ON remote control LED will blink H64 error occurs 13 1 9 Outside Temperature Current Control 13 1 10 Crank case heater control Purpose For compressor protection during low outdoor ambient operation during heating low temperature operation Control content a Trigger heater START conditon when ...

Страница 60: ...aximum current value is regulated when the outdoor air temperature rises above 14 C in order to avoid compressor overloading 13 2 2 Deice Operation When Monobloc unit Refrigerant system pipe temperature and outdoor air temperature is low deice operation start where monobloc unit fan motor stop ...

Страница 61: ...3 way valve Gas side 5 Press the OFF ON switch on remote control to stop PUMP DOWN mode 6 Remove the refrigerant piping 14 3 How To Adjust Water Flow Rate Before adjust the water flow rate make sure that the total water volume in the installation is 30 litres minimum 09C3 50 litres minimum 12C6 14C6 16C6 The water flow rate can be adjusted with select the water pump speed on the water pump The def...

Страница 62: ... In case the water keeps drained out from the unit switch off the system and then contact your local authorized dealer Reinstall the cover with tighten the mounting screws properly if the pressure relief valve is functioning normal 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 Ensu...

Страница 63: ...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 monobloc 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...

Страница 64: ...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 ...

Страница 65: ...es after an operation is started Heating Mode Condition of the Monobloc Unit 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 Monobloc unit refrigerant system heat exchange deficiency Clogged expansion valve or Strainer ...

Страница 66: ...IC memory To check the error code 1 When an abnormality occurs system will stop operation and OFF ON remote control LED will blink 2 Error code of the abnormality will display on the remote control 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 t...

Страница 67: ...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...

Страница 68: ... disconnected F45 Indoor water outlet temperature sensor abnormality Continue for 5 sec Water outlet temperature sensor defective or disconnected F46 Outdoor Current Transformer open circuit Insufficient refrigerant Outdoor PCB Compressor low F95 Cooling high pressure overload protection Outdoor high pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant...

Страница 69: ...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 ...

Страница 70: ...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 ...

Страница 71: ... 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 ...

Страница 72: ...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 ...

Страница 73: ...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 ...

Страница 74: ...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 ...

Страница 75: ...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 ...

Страница 76: ...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 ...

Страница 77: ...tion Abnormality H76 Malfunction Decision Conditions During standby and operation of cooling and heating indoor remote control error occur Malfunction Caused 1 Faulty connector connection 2 Faulty remote control 3 Faulty indoor unit PCB main ...

Страница 78: ...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...

Страница 79: ...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 ...

Страница 80: ...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 ...

Страница 81: ...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 ...

Страница 82: ...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 ...

Страница 83: ...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...

Страница 84: ...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 ...

Страница 85: ... 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...

Страница 86: ...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 ...

Страница 87: ...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 ...

Страница 88: ...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 ...

Страница 89: ...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 ...

Страница 90: ...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...

Страница 91: ...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 ...

Страница 92: ...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 ...

Страница 93: ... 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 ...

Страница 94: ... 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 ...

Страница 95: ... 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 ...

Страница 96: ...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 ...

Страница 97: ... 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 ...

Страница 98: ... 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 ...

Страница 99: ... 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 ...

Страница 100: ...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 ...

Страница 101: ... 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 ...

Страница 102: ...WARNING High Voltage are generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks WARNING Be sure to switch off all the power supply before performing each of the below action ...

Страница 103: ...103 17 3 To Remove The Cabinet Rear Plate 17 4 To Remove Pressure Gauge 17 5 To Remove RCCB ...

Страница 104: ...104 17 6 To Remove Transformer and Electronic Controller Board 17 7 To Remove Pressure Relief Valve When reinstall the water pipe use grease or water at the joining ...

Страница 105: ...tall the water pipe use grease or water at the joining 17 9 To Remove Water Pump When reinstall the water pipe use grease or water at the joining 17 10 To Remove Bottle Complete When reinstall the water pipe use grease or water at the joining ...

Страница 106: ...Operation Characteristics 18 1 1 WH MXF09D3E5 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 ...

Страница 107: ... 18 1 2 WH MXF12D6E5 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 ...

Страница 108: ...9000 4110 7 9000 1680 9000 1900 9000 2200 9000 2500 9000 2880 9000 3100 25 13600 1540 13600 1750 13200 1970 12800 2180 12000 2450 11200 2710 Water Out 30 35 40 45 50 55 Outdoor Air Capacity Input Power Capacity Input Power Capacity Input Power Capacity Input Power Capacity Input Power Capacity Input Power 15 12000 4790 12000 5000 11500 5210 11000 5420 10700 5860 10500 6300 7 12000 3890 12000 4450 ...

Страница 109: ...109 19 Exploded View and Replacement Parts List 19 1 Refrigerant System ...

Страница 110: ...110 ...

Страница 111: ...111 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 ...

Страница 112: ...T REAR PLATE COMPLETE 1 CWE02K1019A 29 CONTROL BOARD CASING 1 CWH10K1049 31 TERMINAL BOARD ASS Y 1 CWA28K1213 O 36 ELECTRONIC CONTROLLER CAPACITOR 1 CWA746082 O 38 ELECTRONIC CONTROLLER NOISE FILTER 1 CWA745446 O 44 ELECTRONIC CONTROLLER MAIN 1 CWA73C5731R CWA73C5732R O 46 REACTOR 1 G0C592J00006 O 47 REACTOR 1 G0C592J00007 O 48 TERMINAL COVER 1 CWH171039A 49 NUT TERMINAL COVER 1 CWH7080300J 50 FAN...

Страница 113: ...ded to be kept in stock 76 CRANKCASE HEATER BASE PAN 1 CWA341071 77 V COIL COMPLETE 1 CWA43C2335 O 78 SENSOR COMP 1 CWA50C2807 O 79 TERMINAL BOARD ASS Y 1 CWA28K1238 O 80 SOUND PROOF MATERIAL 1 CWG302598 81 SOUND PROOF MATERIAL 1 CWG302599 REF NO DESCRIPTION NAME QTY WH MXF09D3E5 WH MXF12D6E5 REMARKS ...

Страница 114: ...114 19 2 Water System ...

Страница 115: ...115 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 ...

Страница 116: ...AIN 1 CWA73C5716R CWA73C5717R O 21 TERMINAL BOARD ASS Y 1 CWA28K1200 O 25 TERMINAL BOARD ASS Y 1 CWA28K1211 O 26 TERMINAL BOARD ASS Y 1 CWA28K1221 O 27 MAGNET RELAYS 1 K6C1AYY00004 O 28 TERMINAL BOARD ASS Y 1 CWA28K1222 O 29 CIRCUIT BREAKER 2 CWA181005 O 30 TRANSFORMER COMPLETE 1 CWA40C1075 O 31 SENSOR COMPLETE 1 CWA50C2749 O 32 REMOTE CONTROL COMPLETE 1 CWA75C3687 O 32a REMOTE CONTROL CABLE 1 CWA...

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