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Monobloc Air-to-Water Heatpump System

Contents

1. 65 16 Troubleshooting Guide 67 16 1 Refrigeration Cycle System 67 16 2 Relationship between the Condition of the Air to Water Heatpump Indoor and Outdoor Units and Pressure and Electric CPO I debt Uc ss 68 16 3 Breakdown Self Diagnosis Function 69 16 4 Error Codes 70 16 5 Self diagnosis Method 72 17 Disassembly and Assembly Instructions 105 17 1 To Remove The Cabinet Front Plate 105 17 2 To Remove The Cabinet Top Plate 105 17 3 To Remove The Cabinet Rear Plate 106 17 4 To Remove Pressure Gauge 106 17 5 To Remove 106 17 6 To Remove Transformer and Electronic Controller 107 17 7 To Remove Pressure Relief Valve 107 17 8 To Remove Flow Switch 108 17 9 To Remove Water Pump 108 17 10 To Remove Bottle Complete 108 19 Technical Data 109 18 1 Operation Characteristics 109 18 2 Heating Capacity Table 117 18 3 Hydraulic Pump Performance 117 19 Exploded View and Replacement Parts NLIS 118 19 1 WH MDFO9C3E5 WH
2. gt EJ JE cine imr 11 2 83WH0 JSNYH I LI 91 16 gt 13514 0114 YSZ TO POWER SUPPLY 1 i phase 401 EE Cd 1 N31SAS 26 MS 3 055384 HOIH NOISNVdX 40108 3 109 2L13NDVW 0815114 3121400 11114809 3131400 31314802 10535 10545 NOSNJS 3389 101133 8 3 58 58 26 Se 38 39 Eu Ge 9 285 5 3 84 349 9 211 D A 8 8 44 x Es Seo m a Gove SING 78 0 4118 GLIHM 20100 580 po 24 0 13 40 ZHI NO 1 10 510 0 MNVI NO qid d HC JONVUO 0 i M im ware SIG d ae H t NIYA 4911041400 9140819979 fj 1 le E E Av quur GLIHA c3sn yu HOTTA GONYHO GLIMD Foogy 58840 T 10H NO LIH ND 100 21 Ni 21 110 1 NI N N e1 y 80552444020 N l 11 E G y E women ond 283 1 885 5 4 L lt e rang 2 D 233 p 1 1 8 4 030 11 gt x oA T 865 lt ele WNINYI
3. 47 12 1 Basic FUNCTION 47 12 2 Water PUMD 54 12 3 Pump Down Operation o4 12 4 Flow Switch eese 54 12 5 Force Heater Mode Operation 55 12 6 Monobloc Unit Safety 55 12 7 Auto Restart Control 55 12 8 Indication 56 12 9 Back Up Heater Control o6 12 10 Tank Booster Heater Control 57 12 11 Three Way Valve Control 57 12 12 Sterillization 57 12 13 Quiet Operation 57 12 14 Solar Operation Optional 58 12 15 External Room Thermostat Control OPINAN rM 61 13 Protection 62 13 1 Protection Control for All Operations 62 13 2 Protection Control for Heating Operation 63 14 Servicing Mode 64 14 1 Test Run UE 64 14 2 Proper Pump Down 64 14 3 How to Adjust Water Flow Rate 64 14 4 Expansion Vessel Pre Pressure Sore dno MR T 64 15 Maintenance Guide
4. Replace the fan motor Yes Replace the outdoor unit Sa PCB main 88 16 5 18 Input Over Current Detection 16 Malfunction Decision Conditions During operation of cooling and heating when outdoor current above 10 6A is detected by the current transformer CT in the outdoor unit PCB Malfunction Caused 1 Excessive refrigerant 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 20 minutes TO EAS For safety reason and to prevent component breakdown Trou bles hooti ng A Caution always switch off the power before remove and connect the component Get restarted and measure the AC current from the outdoor LIVE terminal Is the measured AC current Replace the outdoor unit over 10 6A 3 recharge with correct amount of refrigerant Cee eee eee eee eee eee Replace the outdoor unit PCB main 89 16 5 19 Compressor Overheating F20 Malfunction Decision Conditions During operation of cooling and heating when temperature above 112 C is detected by the compressor tank temperature sensor Malfunction Caused 1 C1 gt W Abnormality Judgment Faulty compressor tank temper
5. Defect in outdoor unit 3 the measured AC voltage _ main No i pl 5 Supply voltage as specified CEN 230V P RE outdoor unit dio a Yes Yes Check the rectification voltage Check the AC voltage from outdoor unit PCB noise filter between DCP amp DCN Turn OFF the power Plug out connector AC BLK CN BLK amp CN WHT from i in outdoor unit the outdoor unit noise filter Is the measured voltage NO PCB main Turn ON the power between DCP amp DCN 325Vdc Replace the outdoor unit Measure the AC voltage between AC BLK amp CN WHT PCB main Y ____ _ ___ _____________ 2 Defectinoutdoor Check the DC filter capacitor Is the measured AC voltage No unit PCB noise filter PCB connector connection 230V Replace the outdoor Yes tA se dat es 55 Check the AC voltage supply to outdoor unit PCB main iy acier rad tubes de tion Turn OFF the power m Reconnect connector AC BLK CN BLK amp CN WHT to the outdoor unit PCB noise filter Y Turn ON the power Measure the AC voltage between amp CN WHT Defect in outdoor unit PCB main Replace the outdoor unit
6. Outdoor Air Gon TE E ac ceno FT Bui cn T fanaa 25 14000 1760 18 2 4 WH MDF16C9E8 Water Out Out 30 EM s Outdoor Air Eas Power Capacity Power Capacity 2350 3110 16000 3490 18 3 Hydraulic Pump Performance 90 PUMP SPEED 3 pe 50 PUMP SPEED 2 xm 0 Se 7 PUMP SPEED 1 aj 50 22 40 T 30 a 20 102 10 0 WATER FLOW RATE L min 117 19 Exploded View Replacement Parts List 19 1 WH MDFO9C3E5 WH MDF12CGE5 WH MDF14C6E5 WH MDF16C6E5 Refrigerant System 118 119 The above exploded view is for the purpose parts disassembly and replacement The non numbered parts are not kept as standard service parts Note 120 Model Refrigerant System A DESCRIPTION amp WH MDF12C9E8 WH MDF14C9E8 WH MDF16C9E8 REMARKS 1 BASE ASS Y CWD52K1251 1 cowmsson 1 9 BUSHING COMPRESSOR MOUNT 3 CWH50055 4 NurcowmEssoRwOU GASKET FOR TERMINAL COVER cower s CRANKCASEHEATER 000011 Sd s CONDENSER comPLeTE 7 HIGH PRESSURE SENSOR s pscmmcwureR wma o 21
7. 83 16 5 13 Outdoor High Pressure Protection H98 Malfunction Decision Conditions During operation of heating when pressure 4 0 MPa and above is detected by outdoor high pressure sensor Malfunction Caused Faulty water pump Insufficient water flow rate in system Water leak in system 2 3 way closed Clogged expansion valve or strainer Excessive refrigerant Faulty outdoor high pressure sensor Faulty outdoor unit PCB main u bles h ooti n g A S For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the 2 3 way valve Check the system water pump Check the 20 way valve Yes Is the water pump working Replace the faulty water Is the 2 3 way closed Open the 2 3 way CNIRIS SENARE NAERAN i PURER UCC No Check for clogged Check the system water expansion valve or strainer flow rate SPECTER SERRE EERE Hs Replace the expansion Is the expansion valve or Yes valve and or strainer 2 8 2 gt mo p c the water pump speed No ftem eene conned ice kennedy 18 me adjusted according to system gt refrigerant hydraulic external static pressure spesa a Yes Check refrigerant amount Check the system water passage Check the syst
8. 6 COM RED C L BREY 1 CN FM1 CN FM2 36 10 2 1 1 Noise Filter Printed Circuit Board 37 CN BLK 11 Installation Instruction Monobloc Unit Dimension Diagram Rear view Bottom view Drain hose connector Bushing Optional cord cable Cabinet Front e 3 way Valve s cable 3 x min 0 5 Plate 9 9 Booster Heater s cord 3 x min 1 5mm Type Receiver s cable 4 or 3 x min 0 5 designation e Tank OLP s cable 2 x min 0 5mm 60245 Tank Sensor s cable 2 x min 0 3mm IEC 57 or e External Controller s cable 2 x min 0 5mm abe Solar Three way Valve s cable 3 min 0 5mm heavier cord Solar Pump Station s cable 2 x min 0 5mm cable Power Supply 35 cord Power Supply 1 5 1 5mm cord 5 1 5mm Power Supply 2 s cord 3 x 4 0mm 38 Main Components VIEW 21 WITHOUT COVER FOR MDC12C6E5 FOR 09 3 5 MDC14C6E5 WITHOUT OLP MDC16C6E5 COVER WITHOUT OLP COVER Vi tho bi Component name Connector name D PCB Cabinet front plate Water inlet 2 Pressure relief valve Cabinet top b Water outlet 3 Flow switch 9 Overload protector 4 Pressure gauge 9 Heater assembly 5 Water pump 2 Expansion vessel RCCB 3 Cover 7 Bushing 39 11 1 Select the Best Location e Install Monobloc unit at outdoor only e Avoid location where ambient temperature is belo
9. POBRE PB BOB ROB ORB BOB OR Defect in outdoor unit PCB main 48 10 2 46 50 Replace the outdoor unit PCB main E Temperature C 96 16 5 26 Indoor Water Inlet Temperature Sensor Abnormality F37 Malfunction Decision Conditions 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 For safety reason and to prevent component breakdown Trou bleshooti ng A Caution always switch off the power before remove and connect the component Check the CN TH1 connector connection Turn OFF the power Check the connector connection Is the CN TH1 connector Connector poor contact connection normal Correct the connection Yes Check the indoor water inlet temperature sensor Plug out connector from the indoor unit PCB main Measure the resistance of the indoor water inlet temperature sensor Indoor Reingerant Liquid Water Inlet Water Outlet Sensor Characteristic Ly Is the measured resistance of the Defect in indoor water inlet indoor water inlet temperature sensor No temperature sensor matches the value specified in its Replace the indoor w
10. LINJ 6 Terminals on the isolating device L N amp 3 L N from power supply Disconnecting from power supply Disconnecting means Power Supply 1 Power Supply 2 means Power Supply 1 Power Supply 2 Power Supply 3 Solar Pump Station Cable Power Supply 38 Optional RCCB Solar Three way Valve Cable Solar Pump Station Cable Optional Solar Three way Valve Cable Optional Extemal Control Cable Optional Tank Sensor Cable Optional Tank OLP Cable Optional Receiver Cable Optional Booster Heater Cord Optional Earth wire must longer than other wire for safety reason Three way Valve Cable Optional Aw Supply 2 Optional v2 ExemalConrolCabe Opiona 2220729 Tank Sensor Cable Optional Tank OLP Cable Optional T ee T Receiver Cable Optional Booster Heater Cord Optional EM L Earth wire must longer than cibi E other wire for safety reason ONE T 4 arth wire mus than other Three way Valve Cable longer than other A wire for safety 2 H Optional wire for safety 22 reason reason Holder Holder 2 Clamper POWER POWER Clamper SUPPLY 1 SUPPLY 2 SUPPLY 1 SUPPLY2 SUPPLY 3 How to quide power supply cords and optional cable cord for How to quide power supply cords and optional cable cord for MDFO9C3E5 MDF12C6E5 MDF14C6E5 MDF16C6E5 View without internal wirin View without inte
11. SSS SHS ASS SSSA SSAA Is the current 0 65 gt Replace the outdoor unit PCB main Check the 2 3 valve 79 While the system is still in m ES heating operation check the Yes Is the 2 3 way valve closed Open the 2 3 way valve discharge pressure No ME 8 Is the pressure unchanged Replace the outdoor unit Check for gas leakage as when compressor stop 3 R Yes Repair the pipe Is the oil oozing out from Yes Pre While the system is still in heating operation the 2 3 way valve Reclaim and recharge further check by touching Compressor discharge pipe is cold refrigerant did No Compressor body is warm Turn ON the power and to confirm the compressor low compression operate heating operation m m Replace the compressor PPP eee ES ee 103 16 5 33 Cooling High Pressure Overload Protection F95 Malfunction Decision Conditions During operation of cooling when pressure 4 0MPa and above is detected by outdoor high pressure sensor Malfunction Caused Dust accumulation in the outdoor unit heat exchanger Air short circuit at outdoor unit 2 way valve closed Faulty outdoor unit fan motor Clogged expansion valve or strainer Excessive refr
12. Current Max Input Power Heatpump unit Heatpump unit Back up Heater Back up Heater Max Input Power 13 0 9 00 Tank Heater 1 Phase 230V Max Current 13 0 3 00 Max Input Power NE Power Factor Power factor means total figure of compressor and outdoor fan motor MAR m Electronic Control 00000000 1 Performance Test Condition EUROVENT Operation Range Outdoor Ambient 20 35 Water Outlet 25 55 internal Pressure Differential KPa Water Pipe Diameter mm inch 30 1 3 16 mm nh mm nh w Size W x H x L 93 x 100 x 325 m Water Flow Rate l min 34 4 2 1 2 Pressure Relief Valve Water Circuit Open 190 Close 186 and below Flow Switch Magnetic Lead Switch ee Protection Device Residual Current Circuit Breaker 40 Note e Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled water inlet temperature of 30 C and water outlet temperature of 35 e Specification are subjected to change without prior notice for further improvement 2 3 WH MDF14C9E8 __ Refrigerant System Performance Test Condition EUROVENT Heating Capacity 14 00 BTU h 47800 kcal h 12040 COP 4 50 m min
13. i outdoor pipe temperature sensor sensor 8 20 matches the value specified in its Replace the outdoor pipe 31 11111111 characteristic chart temperature sensor 3 ee P CC CCCCC CC CCPC Pee PCCP rer 2 HH Defect in outdoor unit main 4 2 1 10 20 30 40 50 Replace the outdoor unit PCB main Temperature C 100 16 5 30 Outdoor Defrost Temperature Sensor Abnormality F43 Malfunction Decision Conditions 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 5 For safety reason to prevent component breakdown Trou bleshooti ng A Caution always switch off the power before remove and connect the component Check the 2 connector connection Turn OFF the power Check the connector connection Is the CN TH2 connector No Correct the connection Yes Check the outdoor defrost temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the outdoo
14. pressure relief valve prevents excessive water pressure in the water circuit gt 190kPa Electric Heater Additional heating capacity to the system when water and ambient temp is low Expansion Vessel Storage for excessive water 15 4 1 2 Location of Control 4 1 2 1 Remote Control The user interface allows the installer and user to setup use and maintain the unit D OFF ON Button This button starts or stops the mode operation function of the unit 2 Operation LED This LED indicates the unit is in operation Heat Mode Indicator This icon indicates heating mode operation 4 Water Outlet Temperature Display This LCD show the water outlet temperature 5 Tank Mode Indicator This icon indicates tank mode operation Outdoor Ambient Temperature Display This LCD show the outdoor ambient temperature 7 Timer Clock Setting display This LCD show the weekly schedule timer setting and clock display 8 System Setting Indicator This icon indicates the system setting mode request OFF ON display 9 System Status Indicator This icon indicates the status check mode request OFF ON display 10 System Pumpdown Indicator This icon indicates the system pump down OFF ON display 1D Quiet Mode Indicator This icon indicates quiet mode operation 12 HEATER FORCE Indicator This icon indicates backup heater force heater mode operation 13 HEATER BOOSTER indicator This icon indicates backup heater booster heater act
15. 43 42 11 Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S 1200 Refrigerant R410A 2 30 81 2 Pipe Diameter Liquid 9 52 3 8 15 88 5 8 Compress mw Hermetic Motor Motor Type Brushless 4 poles zi 4 Propeller Fan 22222423 p we 17 Fan Speed 540 Top Fan 580 Bottom Fan Aluminium Pre Coat Unit 0 RN PowrlewldB OUR Te 400 Current Max Input Power Heatpump unit Heatpump unit Back up Heater TEVA co epalale Back up Heater Max Current Max Input Power 13 0 9 00 Tank Heater 1 Phase 230V Max Current 13 0 3 00 Max Input Power NE Power Factor Power factor means total figure of compressor and outdoor fan motor MAR m Electronic Control 00000000 1 Performance Test Condition EUROVENT Operation Range Outdoor Ambient 20 35 Water Outlet 25 55 Internal Pressure Differential kPa Water Pipe Diameter mm inch 30 1 3 16 mm inch mm inch w Size W x H x L 93 x 100 x 325 m Water Flow Rate l min 40 1 2 4 2 Pressure Relief Valve Water Circuit Open 190 Close 186 and below Flow Switch Magnetic Lead Switch ee Protection Device Residual Current Circuit Breaker 40 Note e Heating capa
16. 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 Make sure the OFF ON control panel LED is OFF no operation Press the Pump Down button to start the pump down operation AUN Press OFF ON button to stop the pump down operation 12 4 Flow Switch 12 4 1 Flow Switch Control No low pressure protection error during pump down operation and 3 way valve will be shift to heating side 1 The water flow switch serve as an overload protector that shuts down the unit when the water level is detected to be low 2 Detection is Lo OV when there is no water flow and detection is Hi 5V when there is water flow 54 12 5 Force Heater Mode Operation The backup heater also serves as backup in case of malfunctioning of the outdoor unit 1 sure the OFF ON control panel LED is OFF no operation 2 Press the Force button to start the force heater mode operation 3 During force heater mode all other operations are not allowed 4 Press OFF ON button to stop the force heater mode operation 12 6 Monobloc Unit Safety 12 6 1 Monobloc Unit Safety Control 1 When water pump is ON the system will start checking flow switch status ON OFF 2 Ifthe flow switch ON for 10 seconds the system will check on the water inlet temperature for 10 seconds If the water inlet temperature not
17. Pressure relief valve o out the cover with remove the mounting screw for access to the pressure relief valve o Check for correction operation of pressure relief valve by turn up the lever to become horizontal Refer to figure below o Ifyou do not hear a clacking sound due to water drainage contact your local authorized dealer Turn down the lever after checking finish o Incase the water keeps drained out from the unit switch off the system and then contact your local authorized dealer o Reinstall the cover with tighten the mounting screws properly if the pressure relief valve is functioning Pressure 1 relief valve Cover P Mounting Screws Turn up How to check pressure relief valve 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 RCCB Ensure the RCCB set to ON condition before check RCCB Turn on the power supply to the monobloc unit This testing could only be done when power is supplied to the monobloc unit WARNING Be careful not to touch parts other than RCCB test button when the power is supplied to Monobloc Unit Else electrical shock may happen o Pushthe TEST button on the RCCB The lever would turn down and indicate 0 and indicate green colour if it functions normal o Contact authorized dealer if the RCCB mal
18. SCREW FAN MOTOR MOUNT 8 ss PROPELLERFANASSY 2 s NUT PROPELLERFAN 2 0 2 s cwmerrowrPATE owe 0200 0200 s pscmmccmue 2 wmm s cwmerspEPLATERSSY 1 e wenn 714 own lt lt e2 Accessory comeeTe CABNETFRONTPLATE owo lt e 0 lt lt e CAPTURE 1 owmma 7 switch 1 lt Oooo mcw a Lm 3 121 CWAT73C5080R CWA73C5081R NENNEN 1 1 1 1 11111 11111 1 1 1 DESCRIPTION amp NAME WH MDF12C9E8 WH MDF14C9E8 WH MDF16C9E8 REMARKS Note e All parts are supplied from PHAAM Malaysia Vendor Code 00029488 marked parts are recommended to be kept in stock 122 19 2 WH MDFO9C3E5 WH MDF12CGE5 WH MDF14C6E5 WH MDF16C6E5 Water System 123 The above exploded view is for the purpose parts disassembly and replacement The non
19. Low _ 208 9 _ 209 8 1279 8 21 6 Refrigeration And Water Cycle Diagram Outdoor Side Monobloc Unit Water Liquid Expansion Gauge side Vessel Water Capillary Expansion 3 Way 2 Flow D Tube Strainer Valve Strainer Valve S ESR E Water lt 9 22 2 aas 298 inlet Receiver Water Connect Defrost Pump to Sensor Sanitary Pii Tank Sensor Sensor Air Sensor Heat Exchanger Drain Pressure i gt lt 4 Temp Sensor Water 22 ES Outlet is Pressure Co Side 22 Pressure ay Sanitary ani gra Switch 3 Way Tank Valve NA Discharge Temp Sensor pressor Tank Temp Sensor Refrigerant Cycle Heating Water Cycle 22 Indoor Side Room Thermo Optional i m FANCOIL UNIT heating cooling Connect to Monobloc Unit Terminal Board Water System l PANEL HEATER UNIT 1 4 3 valve 2 Way valve heati ng To Water Inlet _ r Monobloc Unit From Water Outlet p H Monobloc Unit FLOOR HEATING PANEL heating d 17 Remote control 88 8 i C
20. 2 Air short circuit at outdoor unit 3 Faulty water pump 4 Insufficient water flow rate in system o 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 minutes Troubleshooting Check the dust accumulation on the outdoor unit heat exchanger Yes 7 s A EE Clean the heat exchanger m SSS STS Check the outdoor air passage Yes Provide sufficient air 4 a Is there any short circuit passage No Check the system water pump Replace the faulty water Is the water pump working 2i PDE g Replace outdoor high Yes pressure sensor Check the system water flow rate Readjust the water pump speed Replace outdoor high pressure sensor PSSST CeCe Is the water pump speed adjusted according to system hydraulic external static pressure Yes 86 Dust accumulation on the outdoor unit heat exchanger Check the 2 3 way valve Yes Is the 2 3 way valve closed 5 Check the system water passage Yes Is there any water leakage No Ls Check for clogged 1 expansion valve or strainer Yes Is the expansion valve strainer clogged ice formed No
21. Ambient temperature 2 77777 NOTICE When the outdoor temperature is out of the above temperature range the heating capacity will drop significantly and monobloc unit might stop for protection control 13 4 Location of Controls and Components 4 1 Monobloc Unit Air inlet rear Top Plate Airinet siae m 17 Cabinet Front Plate Air outlet OE Ep Handle 2 pieces front and 2 pieces behind 4 11 Main Components lt Top View gt Main Electronic Controller Refrigerant JUI SL Ee Main Electronic Controller Water System ian _ Side View ree 8 E RCCB rw le 3 pieces me 1 4 Pressure PES s 8 Relief Valve H ET e 2 pieces L 6 y 4 pieces a 4 Pressure Gauge SN S Electric 4 Flow Switch Expansion Vessel Liquid Refrigerant Gas Refrigerant Water pump The pump circulates the water in the water circuit Pressure gauge The manometer allows read out of the water pressure in the water circuit Flow switch The flow switch checks the flow in the water circuit and protects the heat exchanger against high pressure built up and the pump against damage Pressure relief valve
22. No Check refrigerant amount 5 Is the additional refrigerant amount filled correctly Ye For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Open the 2 3 way valve er 8 SA and or strainer Reclaim and recharge refrigerant Replace outdoor high Reclaim and recharge with correct amount of refrigerant Replace outdoor high Replace the outdoor unit PCB main Replace the outdoor high pressure sensor and switch E F 16 5 16 Compressor Rotation Failure F14 Malfunction Decision Conditions A 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 For safety reason to prevent component breakdown Trou bleshooti ng z A Caution always switch off the power before remove and connect the component Check the and connector connection Turn OFF the power Check the U V and W connector connection at outdoor unit PCB main and
23. Off tank side i room side WV 5 3 way valve Thermo Off Heatpum ius On Off Heater Thermo Off Booster On heater Off Solar request Solar off due to upper limit Off Solar 3 way valve Off T1 Heating T2 Tank interval T3 Booster heater delay timer 59 Heat Tank Mode Heating Priority Set 3 way valve Heatpump Booster heater Solar request Solar 3 way Room Side Booster heater Off due to solar 3 way valve on Booster heater Thermo Off Solar priority set Solar priority not set solar off due to upper limit Solar priority set Off valve On Solar priority not OR set Tank Mode Solar Priority Set 3 way valve Heatpump Booster heater tank side Solar request Solar 3 way valve Solar off due to upper limit Solar Priority Not Set 3 way valve Heatpump Booster heater tank side Heat pump Thermo Off Booster heater Thermo Off On Off Solar request Solar 3 way valve On M n 22 Off Solar off due to upper limit On Off 60 12 15 External Room Thermostat Control Optional Purpose 1 Better room temperature control to fulfill different temperature request by external room thermostat Recommended external room thermostat Characteristic Siemen REV200 Touch panel Siemen 20 Connection external room thermostat Wire Connection and
24. and W winding resistance U V V winding shorted Measure the winding resistance between W or U W shorted Replace the compressor U V V W and W U vs 222 322 bon 22 325 ate is Outdoor electronic circuit defect due to power transistor shorted Checking the power transistor Replace the outdoor unit Never touch any live parts for at least 10 minutes after turning off the circuit breaker PCB main e If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 V using the tester e For the UVW make measurements at the Faston terminal on the board or the relay connector transist r Do E wer r Tester s negative terminal 7 o Power transistor Power transistor Tester s positive terminal Normal resistance Several kohms to several Mohms 92 16 5 22 Refrigeration Cycle Abnormality F24 Malfunction Decision Conditions 1 During operation of cooling and heating compressor frequency gt Frated 2 During operation of cooling and heating running current 0 65A 1 65 3 During operation of cooling water inlet temperature indoor refrigerant liquid temperature lt 5 C 4 During operation of heating indoor refrigerant liquid temperature water inlet temperature 5 Malfunction Caused Faulty water inlet or indoor refrigerant liquid tempe
25. 00 s 1 10 swwsvavE GaS 1 we lt lt 1 www 12 3 WAYS VALVE LIQUID 1 CWB011292 00000 1 SOUND PROOFWATERIAL 1 OWaxmxs 0 2 21 SOUND PROOFWATERIAL x _ 0 VCOLCOMPLETE AWAYVAUE Owncne 9 vcotcowmETE EXPVAvE 5 SeNsORODTewp coL lt lt as sewoncowenscmmGE 1 Cwasocas7s 00 00 x sesoncowe rop 227 P 1284 pac rp E po 1 1 rg o i a 1 CABINET REAR PLATE COMPLETE CWE02K1019A CONTROL BOARD CASING CWH10K1133 31 TERMINAL BOARD ASS Y CWA28K1214 ELECTRONIC CONTROLLER NOISE EET dl x TERMNALCOVER 1 NUT TERMINAL COVER 1 lt 0400 Ls mwwornemckr soa SCREW FANMOTOR BRACKET 8 s mwwormuem 1 9 s FANMOTOR eose
26. 1 minute after operation rou b le S hooti n g A For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the indoor outdoor units connection wires Vos gy m 52 Correct the indoor outdoor 2 gt Is there any wiring error d No CCC PPP CPP Pee eee Turn OFF the power and disconnect terminal 3 wire Turn ON the power and measure Vdc between terminal 2 amp 3 from the outdoor unit Is the fluctuate is Replace the outdoor unit between 45 60Vdc 1 main Yes Turn OFF the power and reconnect terminal 3 wire Turn ON the power and again measure Vdc between terminal 2 amp 3 from the outdoor unit Is the Vdc fluctuate No Replace the indoor unit between 15 60Vdc 2 PCB main 81 16 5 11 Tank Booster Heater OLP Abnormality H91 Malfunction Decision 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 For safety reason to prevent component breakdown Trou bleshooti ng A Caution always switch off the power before remove and connect the component Is the abnormality happened during
27. 11 13 15 17 19 21 233 25 Outdoor Air Temperature 115 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 6 WBT Indoor water inlet temperature 0 Indoor water outlet temperature 35 Piping length 7m Capacity Input Power kW 17 000 16 500 16 000 15 500 15 000 14 500 14 000 3 800 3 600 3 400 3 200 D 4456 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m 34 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m 116 18 2 Heating Capacity Table 18 2 1 WH MDFO9CS3ES8 40 Outdoor Air q m ceno FT Capacity n Capacity 2 315 8650 3100 3250 7950 3450 7600 3650 7150 3750 6700 3850 9350 2950 a 3200 8850 3500 8700 3800 8300 3850 7900 3900 gt sso 9000 2550 9000 2820 9000 5090 8900 3530 8800 3080 1090 8730 1480 8460 1680 8280 2040 18 2 2 WH MDF12C9E8 Water Out Outdoor Air Capacity conc FT Capacity ELE Capacity ceno FT Em Lame Capacity 2 1138001 3140 11400 3340 11000 3570 10600 9800 3980 9100 4180 z 140 T 12000 250 T 12000 2000 3480 T 12000 3820 12000 4200 12000 18 2 3 WH MDF14C9E8 Water
28. 2 150 2 100 TUY HHH 2 050 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m 110 18 1 2 WH MDF12C9E8 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 Capacity kW Input Power kW D 12 000 ES 11 500 11 000 10 500 10 000 9 500 9 000 8 500 i 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 Outdoor Air Temperature C 4 000 3 500 3 000 2 500 2 000 15 13 11 9 7 11 13 15 17 19 21 23 25 Outdoor Air ERN re 111 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 6 WBT Indoor water inlet temperature 0 Indoor water outlet temperature 35 Piping length 7m Capacity KW Input Power kW 13 000 12 500 12 000 11 500 11 000 10 500 10 000 9 500 4 3 5 6 Mee HDI 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 28 30 Piping Length m 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m 112 18 1 3 WH MDF14C9E8 Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 6 WBT Indoor water
29. 30 minutes e Outdoor temperature is updated every 30 minutes when operation ON 12 1 5 1 Heating Mode Operation Time Chart Example ways valve On i i Heat Pump On Off ce Heater OR E e ID Water Pump on Request a Solar 3 way valve i Off Timer for backup Backup Heater heater to on back Backup Heater Startup Timer from previous off Startup Timer i quip MM Im i i ee Mode On Heater On Heater Off Heater Heater Off HeatPump HeatPump Thermo Off Thermo 1 ways valve control ways valve switch fix to heating side Heatpump operate follow normal heating operation Backup heater operate follow normal operation Solar 3 way valve operates follow solar operation specification AUN 12 1 6 Water Temperature Thermo Shift Setting Switchs are ignored during PUMPDW Switchs are ignored during STATUS ON 52 e SELECT switch are ignored if SETTING OFF CANCEL switch is ignored if SETTING OFF amp STATUS OFF e f SET Switch pressed for less than 5secs immediately enter water temperature shift setting mode Onceenter this setting mode SETTING display is ON This setting mode is used to easily shift the target water outlet temperature Water Temp H20 LO H20 Shift value OUT LO OUT HI Outdoor T
30. ADEZ 30V 1 188 single phase AC2 SSY 04908 YN 9N 081039 5 10861 VE 91 121 138113 E yupg uv amp GZ dRova 98108089 285 185 m Ime 34 mol vugg uv 4007 8904 NI VI H3T10H1NOO 910319973 a HM i Li N9 EJ n 21 3 phase ACAQOV bOHz REFRIGERANT SYSTE E TO POWER SUPPLY 1 N31SAS 431 3 phase 400 50Hz 28 MS 3 055384 HOIH NOISNVdX 40108 3 109 2L13NDVW 0815114 3121400 11114809 3131400 31314802 10535 10545 NOSNJS 3389 101133 8 3 58 58 26 Se 38 39 Eu Ge 9 285 5 3 84 349 9 211 D A 8 8 44 x Es Seo m a Gove SING 78 0 4118 GLIHM 20100 580 po 24 0 13 40 ZHI NO 1 10 510 0 MNVI NO qid d HC JONVUO 0 i M im ware SIG d ae H t NIYA 4911041400 9140819979 fj 1 le E E Av quur GLIHA c3sn yu HOTTA GONYHO GLIMD Foogy 58840 T 10H NO LIH ND 100 21 Ni 21 110 1 NI N N e1 y 80552444020 N l 11 E G y E wom
31. Abnormality 62 Malfunction Decision Conditions During operation of cooling and heating the water flow detected by the indoor water flow switch is used to determine water flow error Malfunction Caused Faulty water pump Water leak in system Faulty connector connection Faulty water flow switch Faulty indoor unit PCB main Abnormality Judgment Continue for 10 seconds but no judgment for 9 minutes after compressor startup restart Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Is CN FLOW connector Connectorpoorcontact Check the system water pump connection normal Correct the connection Is the water pump working Yes Replace the faulty water Check the indoor water flow switch pump Plug out connector from the indoor unit PCB main No Yes NEUEN LO ME Fo RA SG Ie ee Is there any water leakage Fix Defect in indoor water flow Yes Dismantle the water flow switch Position the water flow switch in reverse direction downward Measure the continuity of the water flow switch 3 Replace the indoor water flow switch 1 Check the CN FLOW connector connection Turn OFF the power Yes Defect in indoor unit Check the connector c
32. 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 Pb free solder will tend to splash when heated too high about 1100 F 600 C 7 Power supply connection to Monobloc unit e Power supply point should be in easily accessible place for power disconnection in case of emergency e Must follow local national wiring standard regulation and this installation instruction e Strongly recommended to make permanent connection to a circuit breaker For WH MDFO9C3E8 Power 1 Use approved 20A 4 poles circuit breaker with a minimum contact gap of 3 0mm Power 2 Use approved 15 16A 2 poles circuit breaker with a minimum contact gap of 3 0mm For WH MDF12C9E8 WH MDF 14C9E8 WH MDF 16C9E8 Power 1 Use approved 20A 4 poles circuit breaker with a minimum contact gap of 3 0mm Power 2 Use approved 15 16A 2 poles circuit breaker with a minimum contact gap of 3 0mm Power 3 Use approved 15 16A 4 poles circuit breaker with a minimum contact gap of 3 0mm 8 Do notrelease refrigerant during piping work for installation servicing re installation and during repairing a refrigeration parts Take care of the liquid refrigerant it may cause frostbite 10 Make sure the insulation of power supply cord does not contact to hot part i e ref
33. Set 3 Pr SOLAR To choose the solar use for water tank heat up Heating Priority YES NO Set 4 To choose the heat pump only use for Heating side during HEAT TANK mode Note If select Heating priority is YES Set 5 7 are skipped Heating Heat up Interval Set Ses mb HEAT To set timer for Heating during HEAT TANK mode 0 5hour 10hours Tank Heat up Interval Set Sete Ib TANK To set timer for Tank during HEAT TANK mode 5minutes 1hour 35minutes Booster Heater Delay Time Set Set 7 du BOOSTER To set delay timer for booster heater to ON if tank temperature is not reached 20minutes 1hour 35minutes Sterilization YES NO seg un ob rL To set sterilization if required Note If select Sterilization is NO Set 9 11 are skipped Sterilization Day amp Time Set Ok To set timer for sterilization only once week Ur Sterilization Temperature Set Fu To set temperature for sterilization function 40 C 75 sterilization Continue Time To set timer to maintain heating temperature in order to complete the sterilization function 5minutes 1hour Set 9 Set 10 hn Set 11 20 5 Dimensions 5 1 Monobloc Unit Top View Side view _______ _ ____ _ ___ ____ ___ _ SS on _150_ EE E 820
34. compressor terminal Is the connector connection Connector poor contact normal Correct the connection T 3 15 L 250 Outdoor unit Compressor VT PCB main terminal Disconnect the harnesses U V and 2 W from the compressor terminal Yi Real Dus veiw From the disconnected harnesses Y and M M 1 connect them to the inverter checker Turn EROA ON the power and operate the system Check the inverter checker 6 LEDs blinking condition INVERTER SONAL amp CAE i BLU BLUE RED RED z Is the blinking of the 6 LEDs in No sare pears OO Ur Replace the outdoor unit TRADE MARK same sequence condition E SUN COMP TERMINAL Yes Inverter Replace the compressor ERR PNE checker 87 16 5 17 Outdoor Fan Motor DC Motor Mechanism Locked F15 Malfunction Decision Conditions The rotation speed detected by the Hall IC of the fan motor during fan motor operation is used to determine abnormal fan motor feedback of rotation gt 2550rpm lt 50 Malfunction Caused Operation stop due to short circuit inside the fan moto
35. e When connecting solar pump station cable between Monobloc unit and solar pump station the distance between both apparatuses shall be 2 8 meters and the length of the said cable must be shorter than 10 meters Fail to do so may lead to abnormal operation to the system a D 2 dl if 40 11 2 Monobloc Unit Installation Monobloc unit will become heavy when filled with water Therefore please install the Monobloc unit on strong concrete floor by considering weight of unit and water Fix Mono bloc unit on the concrete floor with M12 anchor bolt at 4 locations Pull out strength of these anchor bolts must be above 15000N Grip anchor bolt Anchor bolt 60mm or more Broken stone 7 2 X y 300mm or eer se 272 Arius VE UE VE date 20 Embedded anchor bolt Floor bolt Above 20mm Floor slab concrete Compress strength of concrete is above 18MPa 180kgf cm llustration of grip type and embedded type anchor bolt 11 3 Piping Installation This section is for authorized and licensed electrician water system installer only Work behind the front plate secured by screws must only be carried out under supervision of qualified contractor installation engineer or service person Please engage a licensed water circuit installer to install this water circuit The minimum requirement of water in the system is 50 litres If this value c
36. or connect the wire even only partial wire break Exchange the whole wiring unit 3 Do not wrench the fasten terminal Pull it out or insert it straightly 4 Engage dealer or specialist for installation and servicing If installation of servicing done by the user is defective it will cause water leakage electrical shock or fire Install according to this installation instructions strictly If installation is defective it will cause water leakage electric shock or fire Use the attached accessories parts and specified parts for installation and servicing Otherwise it will cause the set to fall water leakage refrigerant leakage fire or electrical shock Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury Do not install outdoor unit near handrail of veranda When installing outdoor unit at veranda of high rise building child may climb up to outdoor unit and cross over the handrail and causing accident Q For electrical work follow the local national wiring standard 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 lightnin
37. thermo characteristic of Siemen 200 Setting L L1 H Heat Thermo L L2 C Cool Thermo Set Temp Actual Temp Open Circuit Short Circuit Set Temp Actual Temp Short Circuit Open Circuit Indoor Unit L label Siemen REV200 L1 label 112 label 9 Terminal Bord Connect only heating line for heating only model And connect both heating and cooling line for heat cool model Wire Connection and thermo characteristic of Siemen RAA20 Setting L Y1 H Heat Thermo L Y2 C Cool Thermo Set Temp lt Actual Temp Open Circuit Short Circuit Set Temp gt Actual Temp Short Circuit Open Circuit Indoor Unit Siemen 20 1 label mmm 2 label 9 Terminal Bord No Connect only heating line for heating only model And connect both heating and cooling line for heat cool model Control Content External room thermostat control activate only when remote thermostat connection select YES by Indoor remote control e 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 Heatpump Off immediately when receive thermo off feedback 61 13 Protection Control 13 1 Protection Control for Operations 13 1 1 Time Delay Safety Control 1 The compressor will not start for three minutes after stop of operation 13 1 2 30 Seconds Forced Operation 1 O
38. 2 Black and connector CN T1 White from the Electronic Controller Board Transformer Electronic Controller Board sing screw driver remove screw to TM remove Electronic Controller Board 1 2 Disconnect all connectors of CN TH2 WHT CN TH1 WHT CN BOOSTER BLU CN OLP2 WHT CN PUMP1 GRN CN RCV WHT CN V3 GRN CN FLOW YLW CN REMOTE WHT CN THERMO WHT DATA RED G02 GRN AC3 L1 BLK 501 G04 AC2 L3 HT1 L2 ORG HT1 L3 RED CN OLP1 WHT and CN HT WHT from the Electronic Controller Board 17 7 To Remove Pressure Relief Valve 3 Pull outward to remove Pressure Relief Valve 1 Remove 2 Retaining Rings 22 2 Pull down to remove water hose A When reinstall the water pipe use grease or water at the joining 107 17 8 Remove Flow Switch Flow Switch 2 Remove 4 screws to remove Flow Switch 7 Disconnect the connector CN FLOW YLW from the Electronic Controller Board When reinstall the water pipe use grease or water at the joining 17 9 To Remove Water Pump Water Pump 2 Loosen 2 nuts to remove the Water Pump 1 Disconnect the connector of Water Pump When reinstall the water pipe use grease or water at the joining 17 10To Remove Bottle Complete 1 Loosen 2 nuts 2 Disconnect the connector CN HEATER2 YLW CN HEATER1 BLK CN TH1 WHT from
39. 3 Todetermine the abnormality description the Error Code table needs to be referred To display past last error code 1 ON power supply 2 Press and hold the CHECK button for than 5 seconds to enter status mode 3 Press the SEARCH DOWN UP button to retrieve past last error code 4 Press the CANCEL button or wait 30 seconds to exit status mode To permanently delete error code from IC memory 1 ON power supply 2 Press and hold the ERROR RESET button for more than 8 seconds till beep sound is heard Downward Upward Button CANCEL CHECK Button Button ERROR RESET Button 69 16 4 Error Codes Table Diagnosis display Abnormality Protection control Abnormality Judgement Primary location to verify No abnormality detected H12 Indoor Outdoor capacity unmatched 90s after power supply e Indoor outdoor connection wire e Indoor outdoor PCB e Specification and combination table in catalogue abnormality defective or disconnected H Indoor refrigerant liquid temperature e Refrigerant liquid temperature sensor sensor abnormality defective or disconnected H 2 Compressor low pressure abnormality e Outdoor pipe temperature sensor e Clogged expansion valve or strainer e Insufficient refrigerant e Outdoor PCB e Compressor 2 4 H64 Refrigerant high pressure abnormality Continue for 5 sec e Outdoor high pressure sensor defective or disconnected H7 Back up heater OLP abnormality Continu
40. A T8 8 d top 431515 1 391 8338 u AY 138 21 LINIYA 31 9 2 WH MDF12C9E8 WH MDF14C9E8 WH MDF16C9E8 EC UTC 410 318 4441 34 339 LINH WAIS 28004 9 9 A H9 TOMIMOD MOSNJS 410 SATA TWH3IX3 M3A 13234 4315008 AWM 338Hi 8 1 To H ian ASSY EN 0810 ug LIT RS EE NOIIVIS AVA 771 did Ev Ds 0 4 48105 1 32601 SSV eziez 11161 00 JLT WA 805835 LLL ON T09 5 90508 Bi TWNO 140 B 3 phase AC4O0V 4 5 KB p A ts gt 2 2 H m s VOR E AQEZ lt 25 a NS E 5 m ec n H E 2 1 2 45237525 910089 4 lt VE 91 e 135114 A 767 4007 a a Stee 2 08 05 18 amp 21 gt ea 18 wor 8 E M e ED N31SAS M31VM 887767 So 045 HEER J U
41. B Tro les h ooti n g A Tm For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the outdoor unit fan motor operation ROBO d OR OR POR OR POR A OR OR Is the outdoor unit fan SENDER HUNE Check the dust accumulation on the motor operate normally and or outdoor outdoor unit heat exchanger main Is the outdoor unit heat Yes THO E exchanger dirty Clean the heat exchanger Repair the pipe flare or me Is the oil oozing out from 1 union nuts Check the outdoor air the 2 3 way valve Reclaim and recharge ve RUD UNS Y Replace the expansion Is the expansion valve or Yes valve and or strainer strainer clogged ice formed Reclaim and recharge Check the 2 Ive 3 eck the 2 way valve No refrigerant INA IURE Reclaim and recharge for a Is the 2 way valve partially Yes specified amount of fresh refrigerant PNE closed Replace the outdoor unit m PCB main Replace the outdoor pipe temperature sensor Is abnormality happened Yes i 75 16 5 5 Water Flow Switch
42. Defect in indoor unit PCB main operation of tank booster heater Replace the indoor unit PCB main BOR POBOR ON P OBS OR eee eee ee Yes Check the CN OLP2 connector connection Turn OFF the power Check the connector connection Is the CN OLP1 connector No Contact connection normal Correct the connection cee che a E Yes Use a test pen to push this button to reset OLP Check tank booster heater OLP continuity Turn OFF power supply Reset tank booster heater OLP Measure the continuity of OLP Is there any continuity Multimeterto measure continuity No __ Defect in tank booster heater OLP a Replace tank booster heater OLP gt Defect in indoor unit PCB main Replace the indoor unit PCB main OB BOB OB EB OB 82 16 5 12 Unspecified Voltage between 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 Tr oubl sh oti n g 0 For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the supply voltage
43. I 8 32 YELLOW ee TRADEMARK Y G YELLOW GREEN GR GRAY AGNETIC RELAY ELECTRO MAGNETIC COIL EXPANSION VALVE SENSOR COMPLETE ELECTRON IG CONTROLLER MAIN TEMP SEHSOR T THERMISTOR 1 DISCHARGE TEMP SENSOR THERM STOR d 508 TEMP SENSOR THERM STOR ELECTRO MAGNETIC COIL 4 WAY VALVE gt ui 1 2 21 5 TN a LL 2 33 10 Printed Circuit Board 10 1 Water System 10 1 1 Main Printed Circuit Board 4 o m eo eo Oe 7 amp H BOLAR T CN SOLAR CN TH1 4184 E ri E M 4182 41483 JI a CN TH2 EN THA RED CN BOOSTER CN FLOW Sana CN REMOTE2 GH REMOTET 9320 0 5 mm T NE CN THERMO AC1 L3 93 AC1 N AS ACI M 34 10 1 2 Solar Printed Circuit Board Optional NOV 62 02M2 Mug 980 AE 119 1052 1 V0 5 1 10235 4 102 1024 l029d 330 lt gt NO TOZMS 35 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board 2 A CN PSW1 E 181
44. Internal Water Setting Temperature 12 1 2 Heating Operation 12 1 2 1 Thermostat control e Compressor is OFF when Water Outlet Temperature Internal Water Setting Temperature gt 2 C for continuously 3 minutes e Compressor is ON after waiting for 3 minutes if the Water Outlet Temperature Water Inlet Temperature temperature at thermostat OFF is triggered lt 3 C 12 1 3 Tank Mode Operation Control contents ways valve direction 3 ways valve switch and fix to tank side e Heatpump Thermostat characteristic Water set temperature Tank set temperature or 55 C whichever lower Heatpump Water Outlet set temperature is set to Maximum 55 C at tank mode i Case 1 THERMO OFF TEMP 1 OFF TEMP Water set temperature 2 2 Tank temperature gt THERMO OFF TEMP for continuous minutes heatpump OFF and water pump OFF THERMO ON TEMP 1 THERMO ON TEMP Water set temperature 3 C 2 When detect tank temperature lt THERMO ON TEMP water pump ON for 3 minute then heatpump Pump ON when Tank temperature is less than tank temperature when Heatpump Thermo Off 3 C 47 2 OFF TEMP 1 THERMO OFF TEMP 55 C 2 2 Water outlet temperature gt THERMO OFF TEMP for continuous minutes OFF but water pump ON Heatpump THERMO ON TEMP 1 THERMO ON TEMP Wat
45. L dWOO z 2 NIN 4 AUS 09 ing ESL _ 10 81 NIET a l EIS 1 1008 04 18 5 Az 8 6063813 MOTTAA WTA d 4 5 018 Ao0g voz 8 1023513 431113 JS ON NUD 110809 20203 9310410313 9 13 55 1NVH39 18333 wopovay 3 AY T38 27 8 2 WH MDF12C9E8 WH MDF14C9E8 WH MDF16C9E8 JWv3ug 1100812 1 7 001538 8093 iHi RES n uw a POWER SUPPLY 2 POWER SUPPLY 3 NJ3H9 MOTT3A 9 TWWH3IXJ 315009 49 NOlIVIS 3349 9 00 1 38079 HY IOS 0 105 NMONS 49 Mus MOTTA gt hy ASSY 4 CBE EPIT TIG CERET i EIEE d SSV 181 0 Hg 18 WNINH3I LdWfid NJ 31379805 4058435 HOLS HOLS 805835 HOSN3S 1371100 HOLIMS 013 LL 86108 2 8 109313 14101140 1031403 e310N34 N 22 1410 82 445 R CN BOOSTE BLU 4 ONT 051049 3 yO 551 08
46. L BOARD COVER 1 Lu 2 48 CABINETSIDEPLATEASSY 1 _ Lar CABINETFRONTPLATE _ Las CRAWCASEWEMTER Las omcurssweR Note e All parts are supplied from PHAAM Malaysia Vendor Code 00029488 marked parts are recommended to be kept in stock 1 1 1 ee EE 4 1514 E LI 12 12120101 2 04214152 15 IgE 1 1 Printed in Malaysia SYBZ1010 00 125
47. Lower Case Screw 3 Outlet box JIS C 8336 Lower tab N CAUTION When the wall is hollow please be sure to use the sleeve for remote controller cable to prevent dangers caused by mice Remote controller biting the cable Connector A CONT Upper case cable 2 Rear feeding out Upper case position Lower case Lower case 45 B 2 Installing The Remote Controller Unit To The Wall Upper case Lower case Screw 3 or Screw 4 If Remote Controller Cable Is Exposed 1 Install the remote controller lower case to the wall with the two accessory screws 4 Fasten the screws properly until screw head is lower than the rib and reach the base of remote controller lower case to ensure they do not damage the PCB inside the remote controller 1 Rib yya Remote controller cable 2 gasss Wall Upper case Upper tab Screw 4 Connector 1 Hemote Lower case controller lower case Screw 4 Lower tab The feeding out direction for the remote controller cable can be either via top left or right side Use nipper to cut a notch at the upper case Select the intended feeding out position Route the remote controller cable 2 inside the lower case in accordance with the intended feeding out direction Refer to the illustration at below Insert firmly the connector of remote controller cable 2 to connector CON1 in the upper case
48. MDF12C6E5 WH MDF14C6E5 WH MDF16CGE95 118 19 2 WH MDFO9C3E5 WH MDF12C6E5 WH MDF14C6E5 WH MDF16CGE5 123 1 Safety Precautions Read the following SAFETY PRECAUTIONS carefully before perform any servicing e Electrical work and water installation work must be installed or serviced by a licensed electrician and licensed water system installer respectively Be sure to use the correct rating and main circuit for the model installed e caution items stated here must be followed because these important contents are related to safety The meaning of each indication used is as below Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications N WARNING This indication shows the possibility of causing death or serious injury This indication shows the possibility of causing injury or damage to properties he items to be followed are classified by the symbols m symbol denotes item that is PROHIBITED from doing e out test run to confirm that no abnormality occurs after the servicing Then explain to user the operation care and maintenance as stated in instructions Please remind the customer to keep the operating instructions for future reference 1 Do not modify the machine part material during repairing service If wiring unit is supplied as repairing part do not repair
49. MUERE 5 S Yes Defect outdoor high pressure sensor E Defectin outdoor unit Replace the outdoor Yes i 7 high pressure sensor 5 there continul iesu dixe ee Replace the outdoor unit PCB main No 77 16 5 7 Indoor Backup Heater OLP Abnormality H70 Malfunction Decision Conditions During operation of indoor 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 2 For safety reason to prevent component breakdown Trou bleshooti ng A Caution always switch off the power before remove and connect the component Is the abnormality happened during No Defect in indoor unit PCB main operation of indoor backup heater the indoor unit PCB main Yes Check indoor backup heater OLP Use a test pen to push Check the indoor backup heater incoming continuity his button to reset OLP AC power supply 2 Turn OFF power supply A Turn ON power supply 2 amp Reset heater 1 OLP Measure the continuity of OLP Me
50. Order No PHAAM1010087C2 Service Manual Monobloc Air to Water Heatpump System Monobloc Unit WH MDFO09C3E8 WH MDF12C9E8 WH MDF14C9E8 WH MDF16C9E8 WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death PRECAUTION LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit 0 anasonic Panasonic HA Air Conditioning M Sdn Bhd 2010 Unauthorized copying and distribution is a violation of law TABLE OF CONTENTS PAGE 1 Safety Precautions 3 2 Specifications s rini 5 2 1 WH MDFO9C3E5 5 22 WH MDEFT12GOE9 7 2 3 14 6 5 9 2 4 16 6 5 11 3 0 13 4 Location of Controls and Compone
51. PM temperature Sensor Malfunction Caused 1 Faulty outdoor unit fan motor 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 30 minutes For safety reason and to prevent component breakdown Troubles hooti ng A Caution always switch off the power before remove and connect the component Check the outdoor unit installation condition i a MER MN AM Reinstall the outdoor unit Is there any improper heat radiation Remove the obstacle s No Is the outdoor unit fan Replace the outdoor unit motor operating _ fan motor Defect in IPM Replace the outdoor unit 91 16 5 21 Output Over Current Detection F23 Malfunction Decision Conditions During operation 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 the outdoor unit PCB Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty compressor Abnormality Judgment Continue for 7 times For safety reason and to prevent component breakdown Troubleshooting A Caution always switch off the power before remove and connect the component Check the compressor winding resistance te EE Turn OFF the power and disconnect the Are the compressor s Compressor defective due to harnesses U V
52. RE v OUT and DCN OUT normal Replacethe outdoorunit oetwean 20s 9 S ________ Yes Replace the outdoor unit No 99 16 5 29 Outdoor Pipe Temperature Sensor Abnormality F42 Malfunction Decision Conditions 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 T rou b le S hooti n g A 222 For safety and to prevent component breakdown always switch off the power before remove and connect the component Check the CN TH1 connector connection Turn OFF the power Check the connector connection 1 a s LI s s s s a LI s a a s a LI s LI Is the CN TH1 connector connection normal Connector poor contact Correct the connection Yes Check the outdoor pipe temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the outdoor pipe temperature sensor Quideor Pipe Defrost Sensor Characteristic Is the measured resistance of the Defect i in outdoor pipe temperature
53. ain No Defect in outdoor high pressure switch Replace the outdoor high pressure 95 16 5 25 Outdoor Air Temperature Sensor Abnormality F36 Malfunction Decision Conditions 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 7 5 For safety reason to prevent component breakdown Trou bleshooti ng 5 A Caution always switch off the power before remove and connect the component Check the CN TH1 connector connection Turn OFF the power Check the connector connection e mom om mom mom om omo o Is the CN TH1 connector No Connector poor contact connection normal Correct the connection Yes Check the outdoor air temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the outdoor air temperature sensor EEEE EEEE E E E EE E EE EE EEEE EEE Is the measured resistance of the Defect in outdoor air ir temperature E outdoor air temperature sensor No sensor m matches the value specified in its Replace the outdoor air characteristic chart temperature sensor do B B OB OB
54. ase electrical parts of the product for the purpose of installation service maintenance and etc They might cause electrical shock or fire 24 Do not branch the power from terminal block to heater tape Overloaded terminal block will cause electrical shock or fire 25 Installation or servicing work It may need four or more people to carry out the installation or servicing work 26 Do use unspecified cord modified cord joint cord or extension cord for power supply cord Do not share the single outlet with other electrical appliances Poor contact poor insulation or over current will cause electrical shock or fire 27 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage 1 Do not install the monobloc unit at place where leakage of flammable gas may occur In case gas leaks and accumulates at surrounding of the monobloc unit it may cause fire Q 2 Carry out drainage piping as mentioned in installation instructions If drainage is not perfect water may enter the room and damage the furniture may need four or more persons to carry out the installation work The weight of monobloc unit might cause injury if carried by less than four person 4 Do not touch monobloc unit air inlet and aluminum fin It may cause injury 9 5 Select an installation location which is easy for maintenance 6
55. asure the AC voltage between RCCB s L1 amp N 1 Measure the AC voltage between PCB s AEN Defect in RCCB WIEN Replace RCCB En i i Terminal board assembly uum spi Correct the connection No heater OLP Yes replace the indoor unit 5 Replace indoor backup Check the CN OLP1 connector connection heater OLP 0 as 1 Turn OFF the power Check the connector connection Defectinindoorunit Yes PCB main E i Replace the indoor unit Is the CN OLP1 connector 1 Connector poor contact PCB main connection normal Correct the connection l 78 16 5 8 Tank Temperature Sensor Abnormality H72 Malfunction Decision Conditions 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 For safety reason and to prevent component breakdown Trou bleshooti ng A Caution always switch off the power before remove and connect the component SRR a Ra the abnormality happened during No Defect in indoor unit PCB tank connection set to ON Replace the indo
56. ater inlet characteristic chart temperature sensor Resistance Yes p SQ Defect in indoor unit main Replace the indoor unit PCB main Temperature C 97 16 5 27 Outdoor Discharge Pipe Temperature Sensor Abnormality F40 Malfunction Decision Conditions 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 Tro es h ooti n g A ares For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the CN DIS connector connection Turn OFF the power Check the connector connection 4 Is the CN DIS connector No Connectorpoorcontact connection normal Correct the connection Yes Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the outdoor discharge pipe temperature sensor Compressor Tank Compressor Discharge Sensor Characteristic 21 2 1 1 8 12 Is the measured resistance of the Defect in outdoor discharge pipe tede outdoor
57. ature sensor 2 3 way valve closed Refrigerant shortage refrigerant leakage Clogged expansion valve or strainer Faulty outdoor unit PCB main Faulty compressor Continue 4 times in 30 minutes No Check for gas leakage Is the oil oozing out from Troubleshooting A Check the compressor tank temperature sensor Does it conform to the sensor characteristic chart Yes Check the 2 3 way valve the 2 3 way valve No No Yes Replace the compressor tank temperature sensor Repair the pipe flare or union nuts Reclaim and recharge TTA THATS 90 Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice formed Yes Reclaim and recharge for a specified amount of fresh refrigerant Is abnormality happened Yes again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Replace expansion valve and or strainer Replace the outdoor unit PCB main Replace the compressor LLLI Las Procedure complete 16 5 20 IPM Overheating F22 Malfunction Decision Conditions During operation of cooling and heating when temperature 95 is detected by the outdoor I
58. before remove and connect the component Check the DC voltage from the indoor unit PCB main Plug out connector from the indoor unit PCB main Turn ON the power the CN REMOTE No Connector poor contact Measure the DC voltage pin1 amp 4 CN REMOTE connector connection normal Correct the connection Yes Check the remote control cable connection Is the remote controller 3 Defect i in remote controller v voltage 5Vdc pin1 amp 4 Replace the remote generated controller Defect indoor unit PCB A BOEOROE OR RR RR OR GE No 3 main Is the remote control cable Defect i in cable connection Yes 80 16 5 10 Indoor Outdoor Abnormal Communication H90 Malfunction Decision Conditions During operation of cooling and heating the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty indoor unit PCB main 3 Indoor outdoor signal transmission error due to wrong wiring 4 Indoor outdoor signal transmission error due to breaking of wire 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
59. circuit board Refer to the illustration at below Secure the remote controller upper case to the lower case with the tabs provided Remote Top feeding out Controller Notches position cable 2 35 Connector Left x feeding QE out rv Upper case position E Upper case Lower Lower case Case 11 4 3 3 The Remote Controller Cable To Monobloc Unit N CAUTION Be sure to turn off the main power before installing and connecting the remote controller Otherwise it will cause the electrical shock 1 Remowve the cabinet front plate and cabinet top plate 2 Connect the remote controller s connector to 2 as shown in below illustration Refer wiring diagram for detail 3 Guide the remote controller cable through the clamper and Bushing C Refer illustration How to connect Remote Controller to for detail 4 Reinstall the cabinet front plate and cabinet top plate after connection complete PCB Connector CN REMOTE2 Remote Controller 46 Wired remote controller s cable Clamp the wired remote controller s cable with clamper Bind the wired remote controller s cable and all power supply cords to the tube with band strap 2 Apply cut LJ Bushing How to connect Remote Controller to PCB 11 4 3 4 Disposal of Monobloc Unit Drain Water e lf the unit is used in an area wh
60. cities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 e Specification are subjected to change without prior notice for further improvement 10 2 4 WH MDF16C9E8 __ Refrigerant System Performance Test Condition EUROVENT Heating Capacity 16 00 BTU h 54600 kcal h 13760 COP 4 23 kcal W m min ft min 21 Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S 1200 Refrigerant R410A 2 30 81 2 Pipe Diameter Liquid 9 52 3 8 15 88 5 8 Compresor Hermetic Motor Motor Type 4 Brushless 4 poles Fan LU Propeller Fan 11 EUM 8 O Fan Speed 580 Top Fan 620 Bottom Fan Aluminium Pre Coat 72222110 ses 400 TR Current Max Input Power Heatpump unit Heatpump unit Back up Heater Back up Heater Max Input Power 13 0 9 00 Tank Heater 1 Phase 230V Max Current 13 0 3 00 Max Input Power NE Power Factor Power factor means total figure of compressor and outdoor fan motor MAR m Electronic Control 00000000 1 11 Performance Test Cond
61. discharge pipe temperature No temperature sensor sensor matches the value specified Replace the outdoor discharge pipe in its characteristic chart temperature sensor Se BOB OS OBOB OB OBOB BOB OB BOB OBOBOB OS BOB BOBO BR Resistance Defect in outdoor unit PCB main Replace the outdoor unit PCB main Temperature 98 16 5 28 Power Factor Correction Abnormality F41 Malfunction Decision Conditions During 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 For safety reason and to prevent component breakdown Trou bleshooting A Caution always switch off the power before remove and connect the component Measure the winding resistance between U V W W U Check the compressor winding resistance Check the supply voltage Turn OFF the power supply and disconnect the harnesses U V and W Are the compressor s winding resistance U V V W U W uniform Operate the system Verify PFC abnormality by measuring the DC voltage between DCP OUT and DCN QUT of the outdoor unit PCB main PCB main Replace the compressor Is the DC voltage between DCP _ ER
62. e for 60 sec e Back up heater OLP Disconnection or activated 9 9 9 H72 H76 Indoor remote control communication e Indoor control panel o e Indoor Outdoor H Tank heater OLP abnormality Continue for 60 sec e Tank heater OLP __ 95 Indoor Outdoor wrong connection e Indoor Outdoor supply voltage IEEE H98 Outdoor high pressure overload e Outdoor high pressure sensor protection e Water pump or water leakage e Clogged expansion valve or strainer e Excess refrigerant e Outdoor PCB H Indoor heat exchanger freeze prevention e Indoor heat exchanger e Refrigerant shortage 15 3 0 0 1 9 12 minutes minutes F20 Outdoor compressor overheating 4 times occurrence within 30 protection minutes e Compressor tank temperature sensor e Clogged expansion valve or strainer e Insufficient refrigerant e Outdoor PCB e Compressor F22 IPM power transistor overheating e Improper heat exchange minutes e PM Power transistor detection continuously e Compressor F24 Refrigeration cycle abnormality 2 times occurrence within 20 e Insufficient refrigerant minutes e Outdoor PCB e Compressor low compression F25 Cooling Heating cycle changeover 4 times occurrence within 30 e 4 way valve abnormality minutes e V coil Outdoor air temperature sensor Continue for 5 sec e Outdoor air temperature sensor Indo
63. e or electrical shock 5 If passing the remote controller cable through wall be sure to install a water trap above the cable Otherwise it will cause the electrical shock 4 Be sure to use only the accessory screws to avoid damage of remote controller PCB 11 4 3 1 Selecting The Installation Location Allow sufficient space around the remote controller 1 as shown in the illustration above Install in a place which is away from direct Remote controller sunlight and high humidity Install in a flat surface to avoid warping of the remote controller If installed to a wall Upper case with an uneven surface damage to the LCD case or operation problems may result Install in a place where the LCD can be easily seen for operation Standard height from the floor is 1 2 to 1 5 meters Avoid installing the remote controller cable near refrigerant pipes or drain pipes else it will cause electrical shock or fire Lower case 44 1 Install in a flat surface to avoid warping of remote controller else damage to the LCD case or operation problems may result 2 Avoid installing the remote controller cable near refrigerant pipes or water pipes else will cause electrical shock or fire 3 Install the remote controller cable at least 5cm away from electric wires of other appliances to avoid miss operation electromagnetic noise Remote controller lower case or more 11 4 3 2 1 Remove the remote contro
64. eat up interval to tank heat up interval turn off the booster heater and start counting the BOOSTER HEATER DELAY TIMER Booster heater turn ON after BOOSTER HEATER DELAY TIMER fufil and tank temperature lower than tank set temperature BOOSTER HEATER DELAY TIMER is clear when switch to heating heat up interval 5 Solar 3 way valve o Solar 3WV operates follow solar operation specification 50 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 Heat Tank heating no priority Sol into tank interval after solar Go into tank interval when tank temp lt pump off thermo on temp Room interval Tank interval end early due to heat pump thermo off 3j ways valve On 1 1 Heatpump Heatpump Heat Pump Thermo On i off s bec i n 1 Off PEN GE eee Backup Heater amp Booster heater OFF when o dad 7 tum in to tank interval 1 1 2 1 i gt ID Water Pump i l x PEN i i Solar request On Off Solar 3 way valve i i i l i n i Off T1 Backup heate
65. ect jumper between terminal no 13 and 14 Tank Sensor shall be resistance type please refer to Graph 4 1 for the characteristic and details of sensor Its cable shall be 2 x min 0 3 mm double insulation layer with insulation strength of min 30V of PVC sheathed or polychloroprene sheathed cable External Controller shall be connected to 1 pole switch with min 3 0mm contact gap connection refer to Diagram 4 3 Its cable must be 2 x min 0 5 mm b double insulation layer of PVC sheathed or polychloroprene sheathed cable note When making such connection kindly remove the jumper between terminal no 17 and 18 Switch used shall be CE compliance component Maximum operating current shall be less than Solar Three way Valve s cable shall be 3 x min 0 5 mm double insulation layer PVC sheathed or polychloroprene sheathed cable Must install Solar Connection to Monobloc unit when Solar Pump Station is utilized Refer Solar Connection PCB s installation instruction for detail of installation Solar Pump Station s cable shall be 2 x min 0 5 mm of double insulation PVC sheathed or polychloroprene sheathed cable Strongly recommended install with maximum length of 10 meter only Terminals on the Mono locuni WEE EE o z I 0 m 0 o m 2 gt m m r NN d Three wa
66. em water passage Is the additional refrigerant No arge with gt correct amount of Y amount filled correctly refrigerant 1 es i Is there any water leakage Fix ees No 1 main Replace the outdoor high 1 pressure sensor 84 16 5 14 Indoor Freeze up Protection H99 Malfunction Decision Conditions During anti freezing control in cooling operation when the indoor refrigerant liquid temperature lt 0 Malfunction Caused 1 Faulty water pump Insufficient water flow rate in system Water leak in system 2 valve partially closed Clogged expansion valve or strainer Refrigerant shortage refrigerant leakage Faulty indoor refrigerant liquid temperature sensor Faulty indoor unit PCB main COND 01 gt For safety reason to prevent component breakdown Trou bleshooting A Caution 2 5 switch off the power before remove and connect the component Check the system water pump Check for clogged EE TINTE E NIE TE NITE 1 expansion valve or strainer Replace the faulty water Is the water pump working Replace the pump Yes aD SEPA 2 1 valve and or strainer 3 Is
67. emp OUT LO Low outdoor ambient set temperature OUT High outdoor ambient set temperature 20 LO Water outlet set temperature at low outdoor ambient temperature 20 Water outlet set temperature at high outdoor ambient temperature Shift Value Setting water temperature thermo shift 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 2 ompressor i OFF ON Fan Speed ON Outdoor Fan P 30 sec OFF 53 12 2 Water Pump 12 2 1 Water Pump Control 1 the monobloc unit is ON the water pump will be ON immediately and no error judgement for 9 minutes However during this 9 minutes operation if there is any abnormality cause at monobloc unit or malfunction the compressor should be OFF immediately and restart delay after 3 minutes 2 system will start checking on the water flow level after operation start for 9 minutes If water flow level is detected low continuously for 1 minute the water pump and compressor will be OFF permanently and OFF ON remote control LED will blink H62 error occurs 3 water pump will remain ON when compressor OFF due to thermostat OFF Water Pump Control NO Flow S W Status ON Water pump YES OK NG STOP Water pump ERROR reset by power reset ERROR display at Remote control
68. en ond 283 1 885 5 4 L lt e rang 2 D 233 p 1 1 8 4 030 11 gt x oA T 865 lt ele WNINYIL dWOO z 2 NIN 4 AUS 09 ing ESL _ 10 81 NIET a l EIS 1 1008 04 18 5 Az 8 6063813 MOTTAA WTA d 4 5 018 Ao0g voz 8 1023513 431113 JS ON NUD 110809 20203 9310410313 9 13 55 1NVH39 18333 wopovay 3 AY T38 29 9 Electronic Circuit Diagram 9 1 WH MDFO9C3E8 TO POWER SUPPLY 2 single phase AC230V 50Hz RCCB RESIDUAL CURRENT CIRCUIT Y G YELLOW GREEN TANK EXTERNAL TANK SENSOR CONTROL RECEIVER BOOSTER HEATER THREE WAY VALVE TERMINAL BOARD ASS Y STATION SOLAR THREE SOLAR PUMP WAY VALVE WATER SYSTEM TO POWER SUPPLY 1 3 phase AC400V 50Hz 30 HJIH NOISNYdX3 31114809 31314809 31379802 31114 00 1100 0819373 0 D 81 Ju 111 555 40 A ain fes 28881 188 THE 207 UC rH 03 OY JL IHW 1 1HM Ov ENOD 205184 08 O 5 N3349 M0TT34 80 mm 3349 9 39 4 NOT
69. er OFF when solar pump operate during solar priority set When solar priority is NOT SET 1 Operation condition a Solar pump operates if all of the following conditions are fulfilled Power On regardless operation ON or OFF e There is operation request from Solar pump station Tank hot water temp is below solar on upper limit temp EEPROM 1 70 e Heatpump thermo OFF in tank mode OR Heatpump operate to room side During Operation ON and tank mode selected 2 Stop condition a Solar pump stops operating when No power supply to unit OR e here is NO operation request from solar pump station OR e Tank hot water temp is above solar off upper limit temp EEPROM 2 77 C Heatpump thermo ON and operate to tank side During Operation ON and tank mode selected 58 Heat Tank Mode Heatina priority set Solar Priority Set When solar 3 way valve turn on during Tank interval cancel Tank interval immediately and switch 3 way valve to the room After heating cooling interval stand by to go in tank side after solar 3 way side and start a heating cooling interval valve request off and fulfil tank thermo on heat pump T2 T1 tank side 3 way valve room side Heatpump a T3 Booster heater as solar Booster heater On as solar 3 way valve Off Booster On 1 heater Solar request On Off solar 3 way valve On
70. er inlet during thermo off time 3 C 2 ON back when water outlet temperature lt THERMO ON TEMP iii Case THERMO OFF TEMP 1 Water inlet temperature gt 52 C for continuous 60 seconds heatpump OFF and water pump OFF THERMO ON TEMP 1 THERMO ON TEMP Water inlet during thermo off time 3 C 2 Water pump ON back when tank temp lt Tank temp when heatpump thermo off 3 C 3 Heatpump only ON back after water outlet temperature lt THERMO ON TEMP amp 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 When tank temperature lower than HEATER ON TEMP 3 20 minutes from previous heater off Booster heater turn OFF condition 1 When tank temperature higher than tank set temperature for continous 15 sec Solar 3 way valve Solar pump operates follow solar operation specification e Others Indoor backup heater cannot be ON during tank mode only Solar Priority is set 3 ways valve _ Off 8 ME Heat Pump off h 1 Booster heater and heat pump off as Booster Heater 010001 ma On Off IDWaterP
71. er set temperature 2 C for continuous 15 secs OR c Heater switch is Off OR d Heatpump thermo off or OFF condition 2 Force Heater Mode o Heater On Condition a After water pump operate 9 mins b When water outlet temperature water set temperature 8 c 20 minutes since previous Backup heater Off o Heater Stop condition a Force mode off OR b When water outlet temperature gt water set temperature 2 C for continuous 15 secs Do not operate heater at the following situation 1 Water outlet temperature sensor and water inlet sensor abnormal 2 Flow switch abnormal 3 Circulation pump stop condition 4 During Heatpump switch to tank side 56 12 10 Tank Booster Heater Control 12 10 1 Tank booster heater control Heating operation condition Heater OFF Tank set temperature 5 Tank set temperature 2 1 Booster heater Turn On condition After BOOSTER HEATER DELAY TIMER fulfil during heatpump startup time in tank mode or during switching from heating heat up interval to tank heat up interval in heat tank mode heating priority not set Tank temperature lt tank set temperature 5 C o 20 minutes since previous heater off BOOSTER HEATER DELAY TIMER is clear when tank heat up interval end 2 Booster heater Turn Off condition Tank temperature gt Tank set temperature 2 C for continuous 15 sec o When BOOSTER HEATER DELAY TIMER start c
72. ere temperature falls below O C for 2 or 3 days in succession it is recommended not to use a drain elbow for the drain water freezes and the fan will not rotate S a a 1 Ez Drain elbow 1 67 Hose Install the hose at an angle so that the water smoothly flows out 12 Operation and Control 12 1 Basic Function Inverter control which equipped with a microcomputer in determining the most suitable operating mode as time passes automatically adjusts output power for maximum comfort always In order to achieve the suitable operating mode the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting The compressor at monobloc unit is operating following the frequency instructed by the microcomputer at monobloc unit that judging the condition according to internal water setting temperature and water outlet temperature 12 1 1 Internal Water Setting Temperature Once the operation starts control panel setting temperature will be taken as base value for temperature shifting processes These shifting processes are depending on the monobloc unit 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 Start Initialization Remote Control Indoor Heating Mode Operation Status Outdoor Air Temperature Shifting
73. eriod After compressor on for 5 minutes e Detection conditions When abnormal high voltage detection 5V or when open circuit detection OV for 5 seconds continuously e After detection When abnormality is detected continue 5 seconds unit stop operation OFF ON control panel LED will blink H64 error occurs 13 1 9 Outside Temperature Current Control Max current 14 value is regulated 12 20 23 C Compressor stop Outdoor temperature 13 1 10 Crank Case Heater Control e Purpose For compressor protection during low outdoor ambient operation during heating low temperature operation e Control content a Trigger heater START condition when the outdoor air temperature is 4 C or below and discharge temperature is 11 6 C or below b Resetting heater STOP condition 1 when the outdoor air temperature exceeds entry condition 6 C 2 when the discharge temperature exceeds entry condition 18 8 C 13 2 Protection Control for Heating Operation 13 2 1 Outdoor Air Temperature Control The maximum 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 63 14 Servicing Mode 14 1 Test Run 1 Fill up the boiler tank with water For details refer
74. 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 for more than 10 minutes it will be back and the monobloc unit safety control checking is restarted 10s Flow SW ON YES NO to normal mode Water In 80 C for 10s YES Pump OFF 12 7 Auto Restart Control 1 When the power supply is cut off during the operation of Monobloc unit the compressor will re operate after power supply resumes 55 12 8 Indication Panel Light ON Operation ON Light OFF Operation OFF f Operation LED is blinking there is an abnormality operation occurs Note 12 9 Back Up Heater Control 12 9 1 Electric Heater Control 1 Normal Heating Mode o Heater On condition Heater switch is ON After Heatpump thermo ON for 30 mins After water pump operate 9 mins Outdoor air temperature Outdoor set temperature for heater When water outlet temperature lt Water set temperature 8 20 minutes since previous Backup heater Off When heatpump cannot operate due to error happens during normal operation heater will go into force mode automatic Heater need to operate during deice operation o Heater Stop Condition a When outdoor set temperature gt outdoor set temperature 2 C for continuous 15 secs OR b When water out temp wat
75. ficient 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 MDF12C6E5 WH MDF14C6E5 WH MDF16C6ES5 0 236 Please liaise with supply authority to ensure that the power supply 2 is connected only to a supply of that impedance or less The equipment s power supply 3 complies with IEC EN 61000 3 12 The equipment s power supply 3 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax at the interface for models WH MDF12C6E5 WH MDF14C6E5 WH MDF16C6ES5 0 464 Please liaise with supply authority to ensure that the power supply 3 is connected only to a supply of that impedance or less 11 4 3 Wired Remote Controller Installation Be sure to turn off the main power before installing and connecting the remote controller Otherwise it will cause the electrical shock Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall fire or electrical shock Wire routing must be properly arranged so that control board cover is fixed properly If control board cover is not fixed properly it will cause fire or electrical shock Do not modify the length of the remote controller cable Otherwise it will cause fir
76. function o Turn offthe power supply to the monobloc unit o f RCCB functions normal set the lever to ON again after testing finish _ TEST button c c Indicate GREEN colour Indicate 0 Lever turn down Condition of RCCB function normal after press TEST button How to release the trapped air in water circuit o Turn up the lever to become horizontal Refer to figure Pressure relief valve The trapped air will be drained out together with water After few seconds turn down the lever to stop the water drainage o Repeat it until the bubbling sound disappear 65 6 Reset overload protector Overload Protector serves the safety purpose to prevent the water over heating When the Overload Protector trip at high water temperature take below steps to reset it a Take out OLP Cover b Use a test pen to push the centre button gently in order to reset the Overload protector c After finish install back the Overload protector following the reverse order of step a amp b Use test pen amp to push this sS button for reset Overload protector i How to reset Overload protector External water filter field supply Clean the external water filter in regularly basic o External water filter is located inside the tube connector which is before water inlet connector of monobloc unit indicated with WATER IN Refer to figure below o Use spanner to detach the tube connector nut Take out the fi
77. g out connector from the indoor unit PCB main Measure the resistance of the indoor water outlet temperature sensor Indoor Refrigerant Liquid Water Inlet Water Outlet Sensor Characteristic mOm E W Bom WOm om HW E m HB m Gom om Hom om Ww B oW m m m om ok mom Is the measured resistance of the N Defect in indoor water outlet indoor water outlet temperature xe temperature sensor sensor matches the value specified Replace the indoor water outlet in its characteristic chart temperature sensor Resistance Defect in indoor unit main 10 0 10 20 30 40 50 Temperature C 102 Replace the indoor unit PCB main tee 16 5 32 Outdoor Current Transformer Open Circuit F46 Malfunction Decision Conditions A current transformer CT open circuit is detected by checking the compressor running frequency 2 rated frequency and CT detected input current 0 65A for continuously 20 seconds Malfunction Caused 1 defective 2 Faulty outdoor unit PCB 3 Compressor defective low compression Abnormality Judgment Continue 3 times in 20 seconds safety reason and to prevent component breakdown Tr oubleshooting A Caution always switch off the power before remove and connect the component Measure the current from the outdoor LIVE terminal Operate heating operation When F46 occurs again turn OFF the power
78. g rod and telephone Otherwise it may cause electric shock in case equipment breakdown or insulation breakdown 11 Do not use joint cable for monobloc unit connection cable Use specified monobloc unit connection cable refer to Installation Instructions CONNECT THE CABLE TO THE MONOBLOC UNIT and connect tightly for monobloc unit connection Clamp the cable so that no external force will be acted on the terminal If connection or fixing is not perfect it will cause heat up or fire at the connection 12 When install or relocate monobloc unit do not let any substance other than the specified refrigerant eg air etc mix into refrigerant cycle piping Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion injury etc 13 This is a R410A model When connecting the piping do not use any existing R22 pipes and flare nuts Using such same may cause abnormally high pressure in the refrigeration cycle piping and possibly result in explosion and injury Use only R410A refrigerant Thickness of copper pipes used with 410 must be more than 0 8 mm Never use copper pipes thinner than 0 8 mm It is desirable that the amount of residual oil is less than 40 mg 10 m 14 During installation install the refrigerant piping properly before run the compressor Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck in of air abnormal high pressure in refrigeratio
79. gram cannot be set the same day You may also select collective days with same timer setting Promotes energy saving by allowing you to set up to 6 programs in any given day 19 4 1 4 Setting Up The Special Functions After initial installation 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 Day display YES NO Temperature display Operation 777 1 Lu E BOOSTER Actual Operation WATER OUTLET Functions SETTING STATUS indicator SELECT FUNCTIONS AND SET YOUR DESIRED TIMER SET CHECK 1 Press 98 2 simultaneously for 5 seconds to enter special setting mode SETTING and STATUS indicator is ON Make sure the OFF ON remote control LED is OFF no operation Y 2 Press 777 to browse functions SELECT 3 Press 8 to enter the function 4 Press 2 or 7 to enable YES or disable NO function or set your desired day and time Press 6 to confirm XU RUPEE COL TDI EER eR Actual Operation External Thermo Controller YES NO Set COM c To set external thermo controller connection Tank Connection YES NO 52 COM To set tank connection Note If select Tank connection is NO Set 3 11 are skipped Solar Priority YES NO
80. igerant Faulty outdoor high pressure sensor Faulty outdoor unit PCB main O1 oubl e sh oti n g 0 2 For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the outdoor unit fan Check the dust accumulation on the motor operation outdoor unit heat exchanger the outdoor unit fan Is the outdoor unit heat Yes 1 motor operate nornaly unit PCB main exchanger dirty Clean the heat exchanger Yes OR GEN Ge trea Wty stat H Check for clogged No expansion valve or strainer Check the outdoor air Replace the expansion passage Is the expansion valve or Yes valve and or strainer strainer clogged formed Reclaim and recharge OS refrigerant 3 i i No nmt d P Is there any short circuit Provide SUE air esee Check refrigerant amount No Check the 2 way valve Is the additional refrigerant Reclaim and recharge with 7 correct amount of amount filled correctly AENEA refrigerant 0 Yes t Is the 2 way valve closed Open the 2 way valve 1 ER PPPS PTT T TTT TESTE ee Replace the outdoor high pressure 104 17 Disasse
81. inlet temperature 0 Indoor water outlet temperature 35 Piping length 7m 111111 14 000 13 000 42 000 0 HHHH 4 9 000 45 413 11 sd 7 5 3 19 21 23 25 x 5 15 13 11 9 7 5 3 9 11 13 15 17 18 21 23 25 un A esi C 113 Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 6 WBT Indoor water inlet temperature 0 Indoor water outlet temperature 35 Piping length 7m Capacity Input Power kW 13 500 13 000 12 500 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m som gt B 3 000 A 2 900 34 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m 2 600 114 18 1 4 WH MDF16C9E8 Heating Characteristics at Different Outdoor Air Temperature Condition Outdoor air temperature 7 6 WBT Indoor water inlet temperature 0 Indoor water outlet temperature 35 Piping length 7m Capacity kW Input Power kW 15 000 14 000 13 000 12 000 11 000 10 000 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 5 000 4 500 4 000 3 500 3 000 15 13 11 9 7 5 3 1 1 3 5 7 9
82. interval THERMO ON TEMP 1 THERMO ON TEMP Tank temp when heatpump thermo 3 C 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature lt THERMO ON TEMP Case 3 THERMO OFF TEMP 1 Water inlet temperature gt 52 C for continuous 60 seconds switch 3 ways 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 heatpump thermo off 3 C 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature lt THERMO ON TEMP iv Case 4 Only during solar priority is set condition When solar pump ON tank heat up interval end early and 3 ways valve switch to room side THERMO ON TEMP 1 THERMO ON TEMP Heatpump tank target temperature 3 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature THERMO ON TEMP and solar 3 way valve OFF 3 Backup heater control o During heating heat up interval Follow normal backup heater control operation o During tank heat up interval Backup heater OFF during this interval 4 Booster heater control o During heating heat up interval Booster heater ON OFF according to booster heater operation control o During tank heat up interval Once switch from heating h
83. ition EUROVENT Operation Range Outdoor Ambient 20 35 Water Outlet 25 55 internal Pressure Differential KPa Water Pipe Diameter mm inch 30 1 3 16 mm nh mm nh w Size W x H x L 93 x 100 x 325 m Water Flow Rate l min 45 9 2 8 2 Pressure Relief Valve Water Circuit Open 190 Close 186 and below Flow Switch Magnetic Lead Switch ee Protection Device Residual Current Circuit Breaker 40 Note e Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled water inlet temperature of 30 C and water outlet temperature of 35 e Specification are subjected to change without prior notice for further improvement 12 3 Features Inverter Technology Energy saving High Efficiency e Compact Design e Environment Protection Non ozone depletion substances refrigerant R410A e Easy to use remote control e Weekly Timer setting e Quality Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Serviceability Improvement Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Pumpdown Button for servicing purpose Front maintenance design for monobloc unit e Operation Condition Water outlet temperature
84. ller 1 lower case Insert a flat tipped screw driver or similar tool 2 to 3 mm into one of the gaps at the bottom of the case and twist to open Refer to the illustration at right Be careful not to damage the lower case Do not remove the protective tape which is affixed to the upper case circuit board when remove the remote controller lower case Secure the lower case to an outlet box or wall Refer to A or B instructions below depending on your choice of cable installation Be sure to use only the screws provided Do not over tighten the screws as it may result in damage to the lower case If Remote Controller Cable Is Embedded 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 Secure the remote controller lower case to the outlet box with the two accessory screws 3 Make sure that the lower case is flat against the wall at this time with no bending Pass the remote controller cable 2 into the box Route the remote controller cable 2 inside the lower case through rear feeding out direction Insert firmly the connector of remote controller cable 2 to connector CON1 in the upper case circuit board Refer to the illustration at below Secure the remote controller upper case to the lower case with the tabs provided Upper case Upper tab Connector 1
85. lter carefully so that not deforms it shape o Use tap water only to wash the residue the filter If necessary gently use soft brush only to clean the hard dirt o After clean put it back to the original location and tighten the nut connection with torque wrench 5 p Water Outlet ata S M c Water Inlet N Water Inlet Connector Location Of External Water Filter 66 16 Troubleshooting Guide 16 1 Refrigeration Cycle System In order to diagnose malfunctions make sure that there are 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 Normal Pressure Standard Gas pressure MPa kg cm G Heating Mode 2 3 2 9 23 29 Condition Outdoor temperature 7 at heating mode Compressor operates at rated frequency Value of electric so man Water leakage or insufficient Measuring electric current current during operation water flow rate in the system during operation Lower than specified Gas side Heating Mode Low EE pressure Inefficient compressor Measuring gas side pressure Low I
86. lways detect the tank temperature after heating heat up interval Switch only to tank heat up interval and start counting tank heat up timer when tank temperature lt THERMO ON TEMP AND solar 3WV OFF Under solar priority not set condition Always detect the tank temperature after heating heat up interval Switch only to tank heat up interval and start counting tank heat up timer when tank temperature lt THERMO ON TEMP THERMO ON TEMP is defined form following Case1 to Case4 o During tank heat up interval Heatpump tank target temperature Tank set temperature or 55 whichever lower Heatpump Water Outlet set temperature is set to Maximum 55 C during tank interval 49 Case 1 THERMO OFF TEMP 1 THERMO OFF TEMP Heatpump tank target temperature 2 2 Tank temperature gt THERMO OFF TEMP for continuous minutes switch ways valve to room side End Tank heat up interval and start count heating heat up interval THERMO ON TEMP 1 THERMO ON TEMP Heatpump tank target temperature 3 C 2 After Heating heat up interval always detect tank temperature Switch to next tank heat up interval when tank temperature lt THERMO ON TEMP li Case 2 THERMO OFF TEMP 1 THERMO OFF TEMP 55 2 2 Water outlet temperature gt Heatoump THERMO OFF TEMP for continuous 90 seconds switch 3 ways valve to room side End Tank heat up interval and start count heating heat up
87. mbly and Assembly Instructions 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 17 1 To Remove The Cabinet Front Plate list Midd Waa Wild be 2 Slide the cabinet front plate downward to release the pawls Then pull it toward front to remove it 1 Remove 11 mounting screws 2 Lift the cabinet top plate N upward to remove it ty tA EA ear 105 17 3 To Remove The Cabinet Rear Plate 5 Slide the cabinet 5 rear plate downward to release the pawls x 88 Then pull it out to remove it 5 7 mounting screws 4 Remove 2 mounting screws 1 Remove 2 mounting screws 17 4 To Remove Pressure Gauge 2 Use spanner to release nut of pressure gauge 1 Remove 2 screws To Remove RCCB 17 5 To Remove RCCB Disconnect the 2 lead wire 2 Disconnect the 2 lead wire Black and White Black and White Disconnect the 2 lead wire Black and White RCCB 4 Remove screws to remove RCCB 106 17 6 To Remove Transformer and Electronic Controller Board 1 Disconnect the 2 lead wire T1 T
88. n cycle and result in explosion injury etc 15 During pump down operation stop the compressor before remove the refrigeration piping Removal of refrigeration piping while compressor is operating and valves are opened condition will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc 16 After completion of the installation servicing confirm there is no leakage of refrigerant gas It may generate toxic gas when the refrigerant contacts with fire 17 Ventilate the room if there is refrigerant gas leakage during operation Extinguish all fire sources if present It may cause toxic gas when the refrigerant contacts with fire 18 Only use the supplied or specified installation parts else it may cause unit vibrate loose water refrigerant leakage electrical shock or fire 19 The unit is only for use a closed portable water system Utilization an open water circuit non portable water circuit may lead to excessive corrosion of the water piping and risk of incubating bacteria colonies particularly Legionella in water 20 Do not insert your fingers or other objects into the unit high speed rotating fan may cause injury S 21 Do not dismantle refrigerant piping using pipe wrench It might deform the piping and cause the unit to malfunction 22 Select a location where in case of water leakage the leakage will not cause damage to other properties 23 Do not locally purch
89. nce the compressor starts operation it will not stop its operation for 30 seconds 2 However it can be stopped using remote control 13 1 3 Total Running Current Control 1 When the monobloc unit running current exceeds X value the compressor frequency will decrease 2 Ifthe monobloc unit running current does not exceed X value the compressor frequency will return to normal operating frequency 3 If the monobloc unit running current continue to increase till exceed value compressor will stop and if this occurs 3 times within 20 minutes system will stop operation and OFF ON remote control LED will blink F16 error 5 RENE RENE Operation ose XW YA Heg 62 16 74 16 80 85 _ 13 1 4 IPM Power Transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 95 C compressor will stop immediately 2 Compressor will restart delay minutes when the IPM temperature decreases to 90 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 DC Peak Current Control 1 When the current to IPM exceeds set value of 40 1 5 0 A MDFO9C 44 7 5 0 A MDF12C MDF14C MDF16C compressor will stop Compressor will restart after three minutes 2 Ifthe set value exceeds again for more than 30 seconds after the compres
90. non brass metallic piping is used for installation make sure to insulate the piping to prevent galvanic corrosion Do not use worn out piping 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 check the water leakage condition in connection area during test run Mono Bloc Unit Hoom Thermostat Field supply 3 way Valve Kit Panel Heater Complete with Floor Heater boiler tank 52 fo er Al T or ries akg arca way Water Inlet Water Valve Kit External Filter J Outlet Field Field supply supply EUN Solar Pump c es Field supply Diagram 3 1 Typical Water Piping Boiler Tank Installation In case of a power supply failure or pump operating failure drain the system as suggested in the figure below When water is idle inside the system freezing up is very likely to happen which could damage the system piping installation Use a drain hose with inner diameter of 15 mm The hose must be installed in a continuously downward direction and left open to the frost free atmosphere If drain hose is long use a metal support fixture along the way to eliminate the wavy pattern of drain tube The water may drip from thi
91. nsufficient refrigerant Low Clogged strainer or expansion valve 67 Excessive amount of refrigerant 16 2 Relationship Between The Condition Of The Monobloc Unit And Pressure And Electric Current Heating Mode Condition of the Monobloc Unit 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 Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 68 16 3 Breakdown Self Diagnosis Function 16 3 1 Self Diagnosis Function Three Digits Alphanumeric Code When abnormality occur during operation the system will stop operation and OFF ON remote control LED will blink and error code will display on the remote control Timer display LCD Even error code is reset by turning OFF power supply or by pressing ERROR RESET button if the system abnormality is still un repaired system will again stop operation and OFF ON remote control LED will again blink The error code will store in 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
92. nts 14 4 1 Monobloc Unit 14 5 Dimensions enm m Hmm 21 os MORBODIOG o ocior o Eod 21 6 Refrigeration And Water Cycle Diagram 22 7 Block Diagram s iniu 24 7 1 8 24 7 2 WH MDFO9C9E8 WH MDF12C9E8 14 92 8 25 8 Wiring Connection Diagram 26 8 1 8 26 8 2 WH MDF12C9E8 WH MDF14C9E8 16 92 8 28 9 Electronic Circuit Diagram 30 9 1 8 30 9 2 WH MDF12C9E8 WH MDF14C9E8 16 92 8 32 10 Printed Circuit Board 34 10 1 Water System 2 34 10 2 Refrigerant System 36 11 Installation Instruction 38 11 1 Select the Best Location 40 11 2 Monobloc Unit Installation 40 11 3 Pipitig ion eot Do aree 41 11 4 Connect The Cord And Cable To Monobloc 14 ERES MERE hese 42 12 Operation and Control
93. numbered parts are not kept as standard service parts Note 124 Model Water System WH WH WH WH MDFO9C3E8 MDF12C9E8 MDF14c9E8 16 9 REMARKS 1 lt BASE PAN ASS Y CWD52K1242 1 3 HoT WATER 1 oweowas 3 RECEIVER 1 CWB141039 i m 4 3 s 3 owes 1 11111411 s 1 15 souDPROOFWATERL 1 2 CWA73C5088R CWA73C5090R CWA73C5091R 21 TERMINAL BOARD ASS Y 1 CWA28K1200 35 TERMINAL BOARD ASSY 728 2 22 ELECTRO MAGNETIC SWITCH lt 728 TEMNA BOMRDASSY 1 o 36 TRANSFORMER COMPLETE 3 SENSORCOWPLETE 1 owasocaraa 20 00 72 REMOTE CONTROL COMPLETE _ PRESSURE GAUGE owe PRESSURE RELIEF VALVE OPERATING INSTRUCTION 1 INSTALLATION INSTRUCTION 20 20 TUBE CONNECTOR COMPLETE 1 TUBE CONNECTOR COMPLETE 1 44 CONTRO
94. o setting the current day and time STEP 1 Press CLOCK button STEP 2 Press SETTING Upward or Downward buttons to set current day STEP 3 Press SET button to confirm STEP 4 Repeat STEP 2 and 3 to set the current time Note The current time that has been set will be the standard time for all the Timer Operations Mode Button This button is to set operation mode The mode does the following transition by button operation i Heat Heat Tank Tank 7 20 Quiet Button This button is to enjoy quiet environment by reduces monobloc unit noise 07 This button is to select force heater mode operation Press OFF ON button to stop the force heater mode operation 22 Heater Button This button is to select backup heater mode operation 18 4 1 3 Weekly Timer Setting Timer Display Lights up if Timer operation is selected Lo ON 4 ri ICI 6 different programs can be set in a day 1 ami Ex a MON TUEWEDTHU FRI SAT T Indicates the next timer operation day e Indicates the selected day TIMER OFF ON H Time to be selected 10 minutes step OFF Timer ON Timer To automatically To automatically switch OFF the unit switch the unit xcii to be selected Function Step Enter timer mode Press amp set day amp time 1 Press or to select your desired day SELECT 2 Press
95. of the indoor refrigerant liquid temperature sensor Indoor Refrigerant Liquid Vater Inlet Water Sensor Characteristic 120 A E TS a Is the measured resistance of the Defect in indoor refrigerant liquid indoor refrigerant liquid temperature No temperature sensor g 5 sensor matches the value specified Replace the indoor refrigerant in its characteristic chart liquid temperature sensor Yes 5 Defect indoor unit main 40 10 20 30 40 50 Replace the indoor unit PCB main Temper atur 74 16 5 4 Compressor Low Pressure Protection H42 Malfunction Decision Conditions During operation of heating and after 5 minutes compressor ON when outdoor pipe temperature below 29 or above 26 C is detected by the outdoor pipe temperature sensor Malfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger Air short circuit at outdoor unit 2 way valve partially closed Faulty outdoor unit fan motor Refrigerant shortage refrigerant leakage Clogged expansion valve or strainer Faulty outdoor pipe temperature sensor Faulty outdoor unit main PCB main COND O
96. onnect to Monobloc Unit 44 25 main electronic controller QUT TR i Water System 5 Cold water Solar Unit Optional Supply Sanitary Tank 23 7T Block Diagram 7 1 WH MDFO9C3E8 REFRIGERANT SYSTEM WATER SYSTEM 24 7 2 WH MDF12C9E8 WH MDF14C9E8 WH MDF16C9E8 REFRIGERANT SYSTEM WATER SYSTEM 25 8 Wiring Connection Diagram MDFO9C3E8 8 1 WH limon iN3H409 01538 8994 JAWA 1877 POWER SUPPLY 2 single phase ACZ30V 50842 TO 104140 305435 dW RENDE N3389 MOTIJA 9 A T NHilX3 83180098 AVM 3duHL 49 1 s EX 1 1 uv ys Hv 105 4 MOTTSA 55 111111 9 Teen CAG INE NIRE 1j a 55 ng 35NYH0 A iz oc or TWHIRL 4 18 0 19 J sj NAD THA A N2 H N3 E Oo or 3131402 805835 131110 H24IMS 105 F TIOHINOO 5 QINOHIO3 X 9 101109 pe 2310340 2 CIHN id 10 N2 JN 108082 e yug 405 ADEE E 19 y 04903 V81NH3I WNEWHAL 041017
97. onnection main Replace the indoor unit main 76 16 5 6 Outdoor High Pressure Abnormality 64 Malfunction Decision Conditions During operation of cooling and heating when the outdoor high pressure sensor output signal is OVdc 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 T la For safety reason and prevent component breakdown Troubleshooting A Caution always switch off the power before remove and connect the component Check the CN HPS connector connection Turn OFF the power Check the connector connection Reconnect the high pressure sensor connector to the outdoor unit PCB No main Turn ON the power and run the Is the nbi ie reliant poor contact system Measure the DC voltage pin 1 connection normal a5 Correct tr connection 1 amp 3 GND of CN HPS Yes Defect outdoor unit Check the continuity of the outdoor unit PCB main Mo the measured voltage PCB main high pressure sensor connector CN HPS gt Sie Plug out connector from the outdoor unit PCB main ES TAES tdoor Measure the continuity pin 1 amp 3 GND and pin 1 amp 4 5V CN HP CE
98. or LIMEN Length Thermostat Electronic Control Protection Device 7 Electronic Control Item Unit Water System LIC CN RN Internal Pressure Differential 2 E Pump ain ttn NL No of Plates Crane Opis ae 18 and BS Flow Switch __ Protection Deviee Residual Current Circuit Breaker 40 e 1 1 212 Note e Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 e Specification are subjected to change without prior notice for further improvement 2 2 WH MDF12C9E8 __ Refrigerant System Performance Test Condition EUROVENT Heating Capacity 12 00 BTU h 40900 kcal h 10320 COP 4 67 amm m min ft min Refrigeration Control Device Expansion Valve Refrigeration Oil FV50S 1200 Refrigerant R410A 2 30 81 2 Pipe Diameter Liquid 9 52 3 8 15 88 5 8 d mp Hermetic Motor Motor Type 4 Brushless 4 poles NE Propeller Fan LL NN 11112 11 2000 EUM Fan Speed 510 Top Fan 550 Bottom Fan Aluminium Pre Coat 72222110 ses 400 TR
99. or unit PCB main E Yes Check the terminal board assembly no 15 and no 16 and CN TH2 connector connections the terminal board assembly No no 15 and no 16 and CN TH2 connector connections normal 1 etsi deant Turn OFF the power Check the connector connections Yes Check the tank temperature sensor Plug out connector from the indoor unit PCB main Measure the resistance of the tank temperature sensor Resistance KC RAED EEE 3 s the measured resistance of the MR BIN tank temperature sensor matches the 258 olera value specified in its characteristic d 1010 20 40 50 2 Sensor chart TONES Tenge i C Yes Defect in indoor unit Replace the indoor unit PCB main 79 16 5 9 Indoor Control Panel Communication 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 contro 3 Faulty indoor unit PCB main Troubleshooting A Fas Check the CN REMOTE connector connection Turn OFF the power Check the connector connection For safety reason and to prevent component breakdown always switch off the power
100. or water inlet temperature sensor Continue for 5 sec e Water inlet temperature sensor o sensor abnormality sensor defective or disconnected F27 F36 F37 40 F Diagnosis display Abnormality Protection control Abnormality Judgement Primary location to verify Outdoor heat exchanger temperature e Outdoor heat exchanger temperature sensor abnormality sensor defective or disconnected 2 3 5 disconnected Indoor water outlet temperature sensor e Water outlet temperature sensor abnormality defective or disconnected 46 Outdoor Current Transformer open e Insufficient refrigerant circuit e Outdoor PCB F95 Cooling high pressure overload e Outdoor high pressure sensor protection e Water pump or water leakage e Clogged expansion valve or strainer e Excess refrigerant e Outdoor PCB F4 F4 F4 e Compressor low 71 16 5 Self diagnosis Method 16 5 1 Connection Capability Rank Abnormality H12 Malfunction Decision Conditions During startup operation 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 Troubleshooting Check indoor and outdoor units model number Is the indoor and outdoor Ma
101. ould not be achieved please install additional buffer tank field supply This water circuit must comply with relevant European and national regulations including EN61770 and local building regulation codes Ensure the components installed in the water circuit could withstand water pressure during operation Do not apply excessive force to piping that may damage the pipes Do not install any valve between Monobloc unit and water piping to avoid accidental closure of water supply to the Monobloc unit Use Rp 1 nut for both water inlet and water outlet connection and clean all piping with tap water before install If old heat pump terminal tank is utilized please clean the dust properly before installation Refer Diagram 3 1 for installation of 3 way Valve Kit Must install an external filter 30 mesh or more field supply before water inlet connector of Monobloc unit indicate with WATER Connect the external of Monobloc unit indicate with WATER OUT to boiler tank inlet Fail to connect the tube appropriately might causing the Monobloc unit malfunction Choose proper sealer which can withstand the pressures and temperatures of the system Make sure to use two spanners to tighten the connection Further tighten the nuts with torque wrench in specified torque as stated in the table Nut size Torque WH MDFO9C3E5 WH MDF12C6E5 WH MDF 14C6E5 WH MDF 16 6 5 Rp 1 1 4 117 6 If
102. ount after switch from heating heat up interval to tank heat up interval DELAY TIMER can be set by control panel 12 11 Three Way Valve Control e Purpose 3 ways valve is used to change flow direction of hot water from heatpump between heating side and tank side e Control contents 1 ways valve switch Off o During 3 ways valve switch Off time the hot water will provide heat capacity to heating side 2 ways valve switch On o During 3 ways valve switch On time the hot water will provide heat capacity to tank side 3 Stop condition o During stop mode 3 ways valve will be in switch off position 12 12 Sterillization Mode 1 During sterillization mode Tank will be heat up to the sterillize Set temperature for a certain period of time also set by controller 2 function can only be set on timer to operate once in a week 3 It will be cancelled even when the temperature is not reached after 4 hours 4 When tank mode is OFF or disabled sterillization is cancelled 12 13 Quiet Operation e Purpose To provide quiet operation compare to normal operation by reduces outdoor unit noise e Starting condition 1 When quiet button is presses 2 When quiet request ON time by weekly timer Refer to remote control When any of above mentioned condition is achieved this control is activated New target FM speed Present target FM speed 80rpm Minimum target FM speed 200rpm e Cancellation condition 1 Cancel by press q
103. plete the 2 3 way valve Reclaim and recharge refrigerant 93 16 5 23 Four Way Valve Abnormality F25 Malfunction Decision Conditions 1 During heating operation when the indoor pipe temperature of thermostat ON indoor unit lt 0 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 Tr ou bl e sh oti n g For safety and to prevent component breakdown always switch off the power before remove and connect the component Four way valve coil Yes Correct the four way disconnected loose Coil Check the indoor pipe No temperature sensor the harness out of the iare d CN HOT connector RE Does it conform to the No Replace the indoorpipe No sensor characteristic chart temperature sensor Check the continuity of the four way valve coil Yes Is 225 occur during heating Yes ion _ Disconnect the harness from the CN HOT connector Resistance between harness about 1 52k ohm coil Is the four way valve coil energize Replace the outdoor unit during cooling operation noise filter main Measure AC voltage s
104. quipment s power supply 1 shall be connected to suitable supply network having service current capacity 2100A per phase Please liaise with supply authority to ensure that the service current capacity at the interface point is sufficient for the installation of the equipment e he equipment s power supply 2 complies with IEC EN 61000 3 12 e he 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 MDFO9C3E5 0 2360 Please liaise with supply authority to ensure that the power supply 2 is connected only to a supply of that impedance or less For WH MDF12C6E5 WH MDF14C6E5 WH MDF 16C6E5 The equipment s power supply 1 complies with IEC EN 61000 3 12 provided that the short circuit power 5 is greater than or equal to 858kW for WH MDF12C6E5 WH MDF14C6E5 WH MDF 16C6E5 at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected only to a supply with a short circuit power Ssc greater than or equal to 858kW The equipment s power supply 1 shall be connected to a suitable supply network having service current capacity 2100A per phase Please liaise with supply authority to ensure that the service current capacity at the interface point is suf
105. r defrost temperature sensor Qutdoor Pipe Outdoor Defrost Sensor Characteristic T 5 30 the measured resistance of the N Defect outdoor defrost 222 outdoor defrost temperature sensor 9 temperature sensor 20 hes the value specified in its i Replace the outdoor defrost 2 V matches p p 15 MER 2 2008 characteristic chart temperature sensor 5 2 Yes Defect in outdoor unit PCB 6 D RE ERROR UTOR EAE AERA Temperature C 101 16 5 31 Indoor Water Outlet Temperature Sensor Abnormality F45 Malfunction Decision Conditions 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 Tr oubl es h oti n g 4 For safety reason to prevent component breakdown always switch off the power before remove and connect the component Check the CN TH1 connector connection Turn OFF the power Check the connector connection Is the CN TH1 connector Connector poor contact connection normal 2 Correct the connection _ Yes Check the indoor water outlet temperature sensor Plu
106. r delay on timer T2 Booster heater delay on timer Heat Tank heating no priority Go into tank interval when tank temp thermo on temp Tank interval i Room interval 3 ways valve On 1 Heater Heater Backup Heater Thermo Off Thermo On Backup Heater amp Booster heater OFF Booster Heater when turn in to tank interval i Thermo Off On b T2 Off ID Water Pump i Off Solar request EE Off T1 Backup heater delay on timer T2 Booster heater delay on timer 51 12 1 5 Setting Water Outlet Temperature for Heat Mode hesettemperature define the parameters for the outdoor ambient temperature dependent operation of the unit Where by the internal water setting temperature is determined automatically depending on the outdoor temperature The colder outdoor temperatures will result in warmer water and vice versa The user has the possibility to shift up or down the target water temperature by remote control setting Water Temp OUT LO Low outdoor ambient set temperature OUT High outdoor ambient set temperature 20 LO Water outlet set temperature at low outdoor ambient temperature 20 Water outlet set temperature at high outdoor ambient temperature 20 LO 20 OUT LO OUT HI Outdoor Temp e Change in setting water outlet temperature is updated every
107. r winding Operation stop due to breaking of wire inside the fan motor Operation stop due to breaking of fan motor lead wires Operation stop due to fan motor Hall IC malfunction Operation error due to faulty outdoor unit PCB Abnormality Judgment Continue 2 times in 30 minutes always switch off the power before remove and connect the component Tro u bles h ooti n g A es For safety reason and to prevent component breakdown Turn OFF the power and rotate the fan by hand Turn OFF the power and disconnect the fan motor SEC TLL pum d EE Missa smoothly Replace the fan motor 7 185 Check the output of the fan motor Turn ON the power and from outdoor unit PCB main operate the fan motor Is the fan motor power supply voltage No Replace the outdoor unit Does it rotate 325Vdc pin1 amp 4 generated Yes Yes Stop the fan motor Is the fan motor control voltage 9 Replace the outdoor unit 15Vdc pin5 amp 4 generated PCB main Check the rotation feedback Yes output from the fan motor Operate the fan motor is the rotation command voltage 1 5Vdc Rotate the fan motor by hand is the No E pin amp 4 generated main rotation feedback voltage 15Vdc p Replace the fan motor 5 amp 4 generated i Yes
108. raph shown the external static pressure kPa versus water flow rate l min eee PUMP SPEED 2 PUMP SPEED 1 EXTERNAL STATIC PRESSURE kPa WATER FLOW RATE L min Flow rate characteristic of indoor unit is as per above mentioned 14 4 Expansion Vessel Pre Pressure Checking Expansion Vessel with 10L air capacity and initial pressure of 1 bar is installed in this monobloc unit Total amount of water in system should be below 200L Note This amount of water is not include the tank unit volume If total amount of water is over 200L please add expansion vessel Please keep the installation height difference of system water circuit within 7m Inner volume of same monobloc unit is about 5L 64 15 Maintenance Guide In order to ensure optimal performance of the unit checks and inspections on the unit and the field wiring must be carried out regularly Please request a licensed technician for carry out maintenance job Before carried out any maintenance or repair work and removing the front plate of heat exchanger unit always switch off all power supply i e monobloc unit power supply heater power supply and sanitary tank power supply Below checks must be carried out at least once a year 1 5 Water pressure Water pressure should not lower than 0 05 MPa with inspects the pressure gauge If necessary add tap water into boiler tank Refer to boiler tank installation instruction for details on how to add water
109. rature sensors 2 3 way valve closed Refrigerant shortage refrigerant leakage Clogged expansion valve or strainer Faulty outdoor unit PCB main Poor compression of compressor 9 Abnormality Judgment Continue 2 times in 20 minutes For safety reason and to prevent component breakdown Troubleshooting A d 5 E always switch off the power before remove and connect the component Check the water inlet and indoor ref liquid temperature sensors Does it conform to the Replace the water inlet or indoor Check for clogged sensor characteristic chart ref liquid temperature sensor expansion valve or strainer Replace expansion valve Is the expansion valve 65 and or strainer Check the 2 5 way valve strainer clogged ice formed Reclaim and recharge refrigerant 9 S Reclaim and recharge for a Is the 2 3 way valve closed the 2 3 way valve specified amount of fresh refrigerant H a Yes Replace the outdoor unit Is abnormality happened Check for gas leakage paste PP PCB main Replace the compressor pC 2 PEE E E PERA Repairthepipeflareor No Is the oozing out from 65 union nuts Procedure com
110. rigerant piping water piping to prevent from insulation failure melt 12 Do not touch the sharp aluminum fins or edges of metal parts If you are required to handle sharp parts during installation or servicing please wear hand glove Sharp parts may cause injury 13 After installation check the water leakage condition in connection area during test run If leakage occur it will cause damage to other properties 14 The unit described in this manual is designed for use in a closed water system only Utilization in an open water circuit may lead to excessive corrosion of the water piping 2 Specifications 21 WH MDFO9C3E8 tem Refrigerant System Performance Test Condition EUROVENT Heating Capacity kcal h COP W W arate Gm Te Hermetic Motor Motor Type Brushless 4 poles REM Mee eC NEM 2 1 Fan Speed 490 Top Fan 530 Bottom Fan TENUES 111 Aluminium Pre Coat Row x Stage x 2 51 18 _ Mem Unit ses PowrlewldB 400 EN RE Heatpump unit Back up Heater 1411 Back up Heater Max Current Max Input Power Common ELCB to Heatpump Tank Heater 1 Phase 230V Max Current 13 0 3 00 Max Input Power ee 2 Power Factor Power factor means total figure of compressor and outdoor fan mot
111. rnal wirin Bind all power supply cords to the tube with band strap 2 Bind all optional cables and cords with these bands Bind all power supply cords to the tube with band Apply cut G Bushing 7 How to quide cable cord to bushin 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 output power of booster heater shall be lt 3 kW Booster Heater s cord must be 3 x min 1 5 mm of type designation 60245 IEC 57 or heavier 4 Three way Valve shall be spring and electronic type Valve s cable shall be 3 x min 0 5 mm of type designation 60245 IEC 57 or heavier or similarly double insulation sheathed cable note Shall be CE marking compliance component t shall be directed to heating mode when it is OFF Maximum load for the valve is 3VA 42 9 10 11 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 double insulation layer of PVC sheathed or polychloroprene sheathed cable connection refer to Diagram 4 L2 Tank OLP s cable must be 2 x min 0 5 mm double insulation layer of PVCsheathed or polychloroprene sheathed cable note if such connection deemed NO necessary for tank OLP please conn
112. s discharge hose Therefore must guide the hose without close or block the outlet of the hose Do not insert this hose into sewage hose or cleaning hose that may generate ammonia gas sulfuric gas etc If necessary use a hose clamp to tighten the hose at drain hose connector to prevent it from leaking Drain hose connector 1 Drain hose Illustration of how to fix drain hose to Mono bloc unit 11 4 Connect The Cord And Cable To Monobloc Unit REFER TO WIRING DIAGRAM AT UNIT FOR DETAIL 1 Cable connection to the power supply through isolating device Disconnecting means e Isolating device Disconnecting means should have minimum 3 0 mm contact Connect the approved polychloroprene sheathed power supply 1 cord 3 x 4 0 or 6 0 mm and power supply 2 cord 3 x 4 0 mm and power supply 3 cord 3 x 1 5 mm type designation 60245 IEC 57 or heavier cord to the RCCB and to the other end of the cord to isolating device Disconnecting means 2 To avoid cable and cord harmed by sharp edge cable and cord must go through bushing located at the right side of Monobloc 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 Terminal on the Mono bloc unit L TN LIN Terminal on the Mono t S LIN S LIN Power Suppl cM e Supply Cord EN M IN Terminals on the isolating device
113. sor restarts operation will restart after two minutes 3 If the set value exceeds again for within 30 seconds after the compressor restarts operation will restart after one minute If this condition repeats continuously for seven times system will stop operation and OFF ON remote control LED will blink F23 error occurs 13 1 5 Compressor Overheating Prevention Control he compressor operating frequency is regulated in accordance to compressor tank temperature as shown below figures When the compressor tank temperature exceeds 112 C compressor will stop and if this occurs 4 times within 30 minutes system will stop operation and OFF ON remote control LED will blink F20 error occurs 112 Compressor OFF 97 Compressor Frequency Reduced 108 A y 96 C Compressor Frequency Maintain 105 C 95 C Compressor tank temperature 62 13 1 6 Low Frequency Protection Control 1 e When the compressor continuously operates at frequency lower than 25 Hz for 240 minutes the operation frequency will change to 24 Hz for 2 minutes 13 1 7 Low Frequency Protection Control 2 e When all the below conditions comply the compressor frequency will change to lower frequency Temperature T for Outlet water C T lt 14 or T 2 48 Outdoor air C T lt 4orT 224 Indoor heat exchanger C 13 1 8 High Pressure Sensor Control e Purpose To protect the system operation e Detection p
114. tch the compatible model number matched model Yes Check the spare part numbers of the indoor and outdoor unit PCBs and compare with their Part Lists UE Change for specified indoor y or outdoor unit main BOB OH HB B BOB OB B BO BOB SCPC PSPSPS PPP PRPS Yes Replace the indoor and outdoor unit PCBs main 72 16 5 2 Compressor Tank Temperature Sensor Abnormality H15 Malfunction Decision Conditions 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 Troubleshooting Check the CN TANK connector connection Turn OFF the power Check the connector connection Is the CN TANK connector Connector poor contact connection normal 4 Correct the connection Yes Check the compressor tank temperature sensor Plug out connector from the outdoor unit PCB main Measure the resistance of the compressor tank temperature sensor Compressor Tank Compressor Discharge Sensor Charactenstic Is the measured resistance of the Defect in compressor tank compressor tank temperat
115. the Electronic Controller Board Bottle Complete 8 Remove 4 screws to remove the Bottle Complete AN When reinstall the water pipe use grease or water at the joining 108 18 Technical Data 18 1 Operation Characteristics 18 11 WH MDFO09C3E8 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 Capacity KW Input Power kW 9 500 211111111111 11 9 000 211111111 7 111111114 8 500 oot t LL LLL tT TA TE EE _ 7 000 15 13 11 9 7 5 3 41 1 3 5 7 9 11 13 15 17 18 21 23 25 Outdoor Air Temperature ___ ___ _ 2005 13 11 9 7 5 3 4 1 3 5 7 9 11 13 15 17 19 21 23 25 Outdoor Air Temperature Heating Characteristics at Different Piping Length Condition Outdoor air temperature 7 6 WBT Indoor water inlet temperature 0 Indoor water outlet temperature 35 Piping length 7m 9 400 9 200 E 9 000 8 800 3 ok b bam 5 SE 8 600 ER 8 200 HI 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Piping Length m 2 350 2 300 gt 2 250 5 2 200 4 5
116. the expansion valve Yes strainer clogged ice formed Reclaim and recha Check the system water _Strainer clogged ice formed flow rate Server vOXVEFVEFCVNVETEEAEREE YEN VEN FETTE UTE E Check refrigerant amount Is the water pump speed No a WS ae Mine DENISE _ adjusted according to system water pump E hydraulic external static pressure peed Is the additional refrigerant NO Reclaim and recharge with Iva amount filled correctly correct amount of refrigerant Rice End Aq teet Check the system water passage Check the indoor refrigerant liquid temperature sensor Is there any water leakage tg Does conform to the No sensor characteristic chart Check the 2 way valve _ Yes Replace the indoor unit PCB main Yes Saaana Is the 2 way partially Open the 2 way valve the indoor refrigerant closed NE f liquid temperature sensor No Dac mon ROSOCHORORCOEOROROHORO ROROBOROROBOROROSOROROROEOROROEOR 85 16 5 15 Outdoor High Pressure Switch Activate F12 Malfunction Decision Conditions During operation of cooling and heating when pressure 4 5MPa and above is detected by outdoor high pressure switch Malfunction Caused 1
117. to boiler tanks installation instruction and operation instruction 2 Set ON to the monobloc unit and RCCB Then for remote control operation please refers to monobloc unit operation instruction 3 normal operation pressure gauge reading should be in between 0 05 MPa 0 2 MPa If necessary adjust the water pump speed accordingly to obtain normal water pressure operating range If adjust water pump speed cannot solve the problem contact your local authorized dealer 14 2 Proper Pump Down Procedure 1 sure the OFF ON remote control LED is OFF no operation Press the PUMPDW switch on remote control to begin PUMP DOWN mode Operate the system in PUMP DOWN mode for 10 15 minutes 3 After 10 15 minutes after 1 or 2 minutes in case very low ambient temperatures lt 10 C fully close way valve Liquid side 4 After 3 minutes fully close 3 way valve Gas Side 9 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 and 50 litres minimum 12C6 14C6 amp 16C6 The water flow rate can be adjusted with select the water pump speed on the water pump The default setting is moderate speed 1 Adjust it to high speed and slow speed if necessary e g reduce the noise of running water Below g
118. to confirm ELECT 3 1 will be blinking press to set program 1 OFF ON 4 Press 42 select or OFF timer 5 Press 2 Or M to select your desired time MODE QUIET If you want to set the timer together with other operations press and lt 7 gt Add Modify timer Disable timer Enable timer Check timer Cancel timer Notes 6 Press e to confirm program 1 The selected day will be highlighted with V After 2 seconds the display will move to the next program 7 Repeat steps 4 to 7 to set programs 2 to 6 During timer setup if no button is pressed within 30 seconds or if the 5 button is pressed the setting at that moment is confirmed and timer ind is ended Repeat the steps above TIMER CANCEL Press then press Press amp 5 then press TIMER Press SELECT Press 25 57 until your desired day is shown press 8 to confirm your selection n3 Press 0 or 57 to check the set programs Cad TIMER Press Gm a Press 2 57 until your desired day is shown SELECT Press to enter program setting w Press 2 or until your desired program is shown CANCEL Press to cancel the program You can set the Timer for each day of the week Monday to Sunday with 6 programs per day ON Timer can be set together with your desired temperature and this temperature will be used continuously Same timer pro
119. ual operation 03 Remote Display This LCD show the external thermo controller display 4 Solar Display This LCD show the solar display 05 Cool Mode Indicator This icon indicates cooling mode operation 16 Open cover for buttons selections 1 System Setting Button These setting button can change the temperature range of setup setting mode selection Perform the steps below to set preferred temperature range STEP 1 Press SET button for 5 seconds to enter setting mode STEP 2 Press upward or downward button to choose the 8 of the parameter as below for change the temperature range 1 Outdoor ambient set temperature for heat mode at low water outlet temperature Selection range 15 C 15 C 2 Outdoor ambient set temperature for heat mode at high water outlet temperature Selection range 15 C 15 3 Water outlet set temperature for heat mode at low outdoor ambient temperature Selection range 25 C 55 C 4 Water outlet set temperature for heat mode at high outdoor ambient temperature Selection range 25 C 55 C 5 Set temperature for turning OFF heating operation Selection range 5 C 35 6 Outdoor ambient set temperature for turning ON heater operation Selection range 15 C 20 7 Water set temperature during cool mode 5 C 20 8 Sanitary tank set temperature Selection range 40 75 STEP 3 Press SELECT button to enter selected parameter STEP 4 Press
120. uiet button 2 Stop by OFF ON button 3 When quiet request OFF time by weekly timer When any of above mentioned condition is achieved this control is cancelled 57 12 14 Solar Operation Optional 12 14 1 Solar Operation 1 Control according to preset whether solar priority is set or not 2 When tank connection is set at SETTING mode Solar operation is disabled 3 When Pump A from Solar pump station is detected On through connection Y4 then the Solar pump 3 Way Valve is requested ON Refer to figure below Connecting diagram with the Solar Pump Station communication cable B Indoor Unit Pump A Operation Solar Pump Station Signal Input Pump Operatian Signal Output ACZ3U V E Tank temperature sensor for Solar pump station 8mm OLP 12 14 2 Solar Operation Control When solar priority is SET 1 Operation condition a Solar pump operates if all of the following conditions are fulfilled Power On regardless operation ON or OFF e here 1 operation request from Solar pump station Tank hot water temp is below solar on upper limit temp EEPROM 1 70 2 Stop condition a Solar pump stops operating when No power supply to unit OR e here is NO operation request from solar pump station OR e Tank hot water temp is above solar off upper limit temp EEPROM 2 77 C heatpump OFF OR operate to room side when solar pump operate during solar priority set booster heat
121. ump Booster Heater from previous off 1 Delay Time I L il gt i 48 Solar Priority is not set 3 ways valve We 1 1 I 1 1 1 1 Off T Solar 3 way valve On Off Timer for Booster Booster Heater heater turn On back Delay Time i from previous off E 12 1 4 Heat Tank Mode Operation Setting 1 When Heating priority is set by control panel 1 ways valve control 3 ways valve switch and fix to room side 2 Heatpump operation control operate follow normal operation 3 Backup Heater control o Backup heater operate follow normal operation 4 Booster heater control o Booster heater On Off follow normal operation 5 Solar 3 way valve o Solar 3 way valve operates follow solar operation specification Under solar priority is set condition when solar 3 way valve is ON booster heater turn OFF Setting 2 When heating priority is not set by control panel When Solar Priority is set not set by control panel 1 ways valve control o 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 Heatpump operation control o During heating heat up interval Follow normal heating operation Under solar priority set condition A
122. upply to CN HOT pin1 amp 3 during heating Replace the four way valve operation Is the voltage supply to four No the unit way valve 230Vac noise filter main POROHOROROBOROROSOHOROROB ee Yes 94 16 5 24 Outdoor High Pressure Switch Abnormal 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 For safety reason and to prevent component breakdown Troubleshooti ng A Caution always switch off the power before remove and connect the component Check the CN PSW1 connector connection Turn OFF the power Check the connector connection Is the CN PSW1 connector Connector poor contact connection normal Correct the connection Yes quee 01 cu pswi GREEN Check the continuity of the outdoor high EL pressure switch Plug out outdoor high pressure switch connector from CN PSW 1 channel Measure the connector continuity EAU HIGH PRESSURE SMITH ELECTRO MAGNETIC EXPANSION VALVE normally close Multimeter Defect in outdoor unit es main i 2 3 Is there any continuity Replace the outdoor unit m
123. upward or downward button to set desired temperature STEP 5 Press SET button again to confirm the setting Note Repeat steps 2 to 5 to set other parameters STEP 6 Press CANCEL button or wait 30 seconds to exit setting mode Water Temperature Thermo Shift Setting Perform the steps below to set the desired shift temperature STEP 1 Press SET button within 5 seconds STEP 2 Press SELECT button to enter the setting temperature STEP 3 Press upward or downward button to set desired temperature Selection range 5 5 STEP 4 Press SET button again to confirm the setting STEP 5 Press CANCEL button or wait 30 seconds to exit setting 17 15 Error Reset Button This button is to reset the remote control and system error code System Pumpdown Button This button is to select the pump down operation Press 5 seconds Press OFF ON button to stop the pump down operation 7 System Status Check Button This button is to check the various mode status Perform the steps below to check the selection status STEP 1 Press CHECK button for 5 seconds to enter status mode STEP 2 Press SEARCH Upward or Downward buttons for checking below value 1 Compressor running frequency 2 Error history 3 Water inlet tempetarure 4 Tank Temperature STEP 3 Press CANCEL button at setting mode or wait 30 seconds to exit status check Timer Button This button is to set weekly timer and clock time combine with setting button Perform the steps below t
124. ure sensor temperature sensor 5 2 matches the value Mies in its E Replace the compressor tank 1 1 121 5 1212121221 ROTER Yes 2 Defect in outdoor unit PCB main 0 1 9 30 40 5 1 Replace the outdoor unit PCB main Temperature 73 16 5 3 Indoor Refrigerant Liquid Temperature Sensor Abnormality H23 Malfunction Decision Conditions 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 Trou bleshooting A For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the CN TH1 connector connection Turn OFF the power Check the connector connection O Is the CN TH1 connector No connection normal Correct the connection Yes Check the indoor refrigerant liquid temperature sensor Plug out connector from the indoor unit PCB main Measure the resistance
125. w 20 C e Must install on a flat horizontal and solid hard surface place where should not be any heat source steam near the Monobloc unit place where air circulation is good place where drainage can be easily done place where Monobloc unit s operation noise will not cause discomfort to the user A place where accessible for maintenance e Ensure to keep minimum distance of spaces as illustrated below from wall ceiling or other obstacles A place where flammable gas leaking might not occur place where the Monobloc piping and wiring lengths come within reasonable ranges an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed e not place any obstacles which may cause a short circuit of the discharged air e Avoid install the Monobloc unit at a location where suction side may be exposed directly to wind e If Monobloc unit installed near sea region with high content of sulphur or oily location e g machinery oil etc it lifespan maybe shorten e When installing the product in a place where it will be affected by typhoon or strong wind such as wind blowing between buildings including the rooftop of a building and a place where there is building surroundings fix the product with an overturn prevention wire Overturn prevention fitting model number K KYZP15C
126. y Valve Booster Heater TankOLP Tank solar Three Cable Cord Cable Sensor Controller wawa Cable y Cable Cable Cable Tightening torque Necm kgf cm 157 196 16 20 196 246 0 25 11 4 1 Wire Stripping And Connecting Requirement Wire stripping Conductor Conductor Conductor not fully einig fully insert over insert insert 1 No loose strand when gap between T EROHETED 16000 14000 12000 10000 i 8000 Receiver Terminal oom Thermostat Receiver 5 6000 L ELE External Controller 4000 Controller Optional Switch ON OFF 2000 is connected to the 117 0 Mono bloc unit 418 30 20 10 0 10 20 30 Diagram 4 2 Room Thermostat Receiver Diagram 4 3 External Controller Graph 4 1 Tank sensor characteristic connecting diagram connecting diagram 11 4 2 Connecting Requirement For WH MDFO9C3E5 e he equipment s power supply 1 complies with IEC EN 61000 3 12 provided that the short circuit power is greater than or equal to 858kW for WH MDFO9C3E5 at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected only to a supply with a short circuit power greater than or equal to 858kW 43 e

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