INVENTOR DHW-C3.5/A1-K Service Manual Download Page 10 | Manualshive

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HEAT PUMP WATER HEATER PRODUCT

8

DHW-C5.0/NbA-K Water Yield Capacity Correction

5 PIPING DIAGRAM

Name compressor

4-way

valve

Stop

Valve

Check

Valve

Capillary Filter

Electronic

Expansion

Valve

Sign

Name

Temperature

Sensor

Pressure

Switch

Heat

Exchanger

with Axial

Flow Fan

Heat

Exchange

with Cross

Flow

Blower

Heat

Exchanger

with

Centrifugal

Fan

Thermal

Expansio

n Valve

Gas

Liquid

Separator

Sign

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Summary of Contents for DHW-C3.5/A1-K

Page 1: ......

Page 2: ...12 3 WIRED REMOTE CONTROLLER 12 3 1 Dimension 12 3 2 Function 12 3 3 Installation 17 INSTALLATION 20 1 UNITS INSTALL 20 1 1 Installation Positions 20 1 2 Matters need Attention 20 1 3 Dimension Data...

Page 3: ...1 PRODUCT...

Page 4: ......

Page 5: ...or D single coil D2 double coils 8 Serial number A B C 9 Power 220 240V 1Ph 50Hz 3 FUNCTION Function Description Efficient and energy saving The unit is automatically adjusted by electronic expansion...

Page 6: ...and intelligent defrosting functions can efficiently prevent freezing and frosting All day use The unit can make and supply hot water all day in despite of night overcast and rainy days 4 PRODUCT DATA...

Page 7: ...ing Dimension Height mm 750 800 750 800 Width mm 762 878 762 878 Depth mm 256 360 256 360 Net Gross Weights kg 55 61 60 66 Note 1Ton 12000Btu h 3 517kW Water tank model WT SX400LC B1 K Capacity L 150...

Page 8: ...n of water pipe terminal mm DN15 DN15 DN15 DN15 1 Test conditions of the above data outdoor ambient temp 20 DB 15 WB water tank initial ending temp 15 55 2 If there is any change of product specificat...

Page 9: ...HEAT PUMP WATER HEATER PRODUCT 7 DHW C5 0 A1 K Water Yield Capacity Correction D H W C 7 2 A 1 K W a t e r Y i e l d C a p a c i t y C o r r e c t i o n DHW C3 8 NbA K Water Yield Capacity Correction...

Page 10: ...ame compressor 4 way valve Stop Valve Check Valve Capillary Filter Electronic Expansion Valve Sign Name Temperature Sensor Pressure Switch Heat Exchanger with Axial Flow Fan Heat Exchange with Cross F...

Page 11: ...ce Via the compressor the heat is sent to the condenser and released to the water in water tank The principle is the same as that of heat pump air conditioner except that the heat pump air conditioner...

Page 12: ...10 CONTROL...

Page 13: ...HEAT PUMP WATER HEATER CONTROL 11 UNITS CONTROL 1 OPERATION FLOWCHART...

Page 14: ...nd the set interval time of defrosting default 45min and the defrosting temperature is lower than the set starting temperature default 4 the unit will start defrosting In that case the 4 way valve wil...

Page 15: ...ditioning prior 2 Display of system time timer preset timer and running parameters 3 Icons display of heating up and standby for keeping the same temperature 4 Display of hot water save preset and nig...

Page 16: ...e of unit press Mode button to switch the running modes as the following sequence As shown in the right figure it is in Hot water mode with rapid button pressed Hot water mode according to present wat...

Page 17: ...timer and timer is cancelled Timer range 00 00 23 59 Every press of or will increase or decrease the time of timer by 1 h or 1 min Long press either of them and the time of timer will automatically in...

Page 18: ...icon will flash if operating any button Repress and at the same time for 5s and the lock icon will disappear and functions of wired controller will resume If malfunction occurs lock function will be...

Page 19: ...correct port to avoid communication malfunction Installation of Wired Controller and Project Debugging Pay attention to the following items during installation of wired controller 1 Cut off power sup...

Page 20: ...nsure normal communication of unit signal line and wiring communication of wired controller should separate from power cord and indoor outdoor connection lines The distance between them should be kept...

Page 21: ...19 INSTALLATION...

Page 22: ...s no danger of fire due to leakage of flammable gas All piping lengths and distances have been taken into consideration 1 2 Matters need Attention At delivery the unit should be checked and any damage...

Page 23: ......

Page 24: ...ty of water tank during installation should also be considered L Z L W K E R O W V D W H U W D Q N Q V W D O O H G R Q W K H J U R X Q G D Q G Q H Y H U V X V S H Q G H G 3 There should be water pipe...

Page 25: ...nlet outlet pipes Connect the water inlet of master unit with circulating outlet of water tank and water outlet of main unit with circulating inlet of water tank The manual discharge valve A attached...

Page 26: ...ver check or repair it by yourself to avoid safety accident Green mark is normal while red mark means conglutination between contacts in which case it should be replaced after cutting off its power Ge...

Page 27: ...hould not exceed 5m levelly and 3m vertically If it is higher please contact with us It is recommended that water tank be located lower and master unit higher 2 Prepare the materials according to the...

Page 28: ...d working temperature should not exceed specified value 2 If the power cord is higher than 15m please enlarge its sectional area to avoid overload 3 Specification of power cord was selected when BV si...

Page 29: ...with the red joint lead out by terminal box at the side of master unit and then put them in the terminal box 5 Fix the heavy current wire with clamp and close the terminal box cover 6 Install and fix...

Page 30: ...28 MAINTENANCE...

Page 31: ...ress ON OFF key to clear it d2 Automatic antifeezing protection Ambient temp sensor water temp sensor Press ON OFF key to clear F3 Outdoor ambient temp sensor failure Outdoor ambient temp sensor Autom...

Page 32: ...HEAT PUMP WATER HEATER MAINTENANCE 30 2 FLOW CHART OF TROUBLESHOOTING High pressure protection flow chart of trouble shooting E1...

Page 33: ...HEAT PUMP WATER HEATER MAINTENANCE 31 Low pressure protection flow chart of trouble shooting E3...

Page 34: ...HEAT PUMP WATER HEATER MAINTENANCE 32 Discharge protection flow chart of trouble shooting E4...

Page 35: ...HEAT PUMP WATER HEATER MAINTENANCE 33 Water pressure protection flow chart of trouble shooting L7 Communication failure flow chart of trouble shooting E6...

Page 36: ...HEAT PUMP WATER HEATER MAINTENANCE 34 Temperature sensor failure flow chart of trouble shooting 3 WIRING DIADRAM 1 Model DHW C3 5 A1 K DHW C5 0 A1 K...

Page 37: ...HEAT PUMP WATER HEATER MAINTENANCE 35 2 Model DHW C7 2 A1 K 3 Model DHW C3 8 NbA K...

Page 38: ...HEAT PUMP WATER HEATER MAINTENANCE 36 4 Model DHW C5 0 NbA K Specification The wires in the imaginal diagram are connected by consumer 5 Model WT 150LC K WT 200LC K WT 250LC K WT 300LC K...

Page 39: ...onnect the power cord Unscrew the retaining screw of power cord with screwdriver Unplug the power cord 2 Remove fixing screw of compressor Remove fixing screw of compressor with screwdriver 3 Disconne...

Page 40: ...air inlet and outlet to the pipeline Solder the connectin pipe of the compressor to make then connected During welding charge nitrogen of 0 5 0 1kgf cm2 relative pressure Do not burn the other parts d...

Page 41: ...tion Handling Instruction 1 Disconnect the electric magnetic valve coil of 4 way valve Loosen the screw fixing 4 way valve coil 2 Disconnect the connnecting pipe of 4 way valve It is necessary to reco...

Page 42: ...l of 4 way valve Perform leak test for the welding spot Tighten the fixing screw Disassembly and Assembly of Heat Exchanger Remark Make sure that there isn t any refrigerant in pipe system and the pow...

Page 43: ...ectronic Expansion Valve Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the electronic expansion valve Step Illustration Handling In...

Page 44: ...g pipe mount the coil If plug of electronic expansion valve coil has been disconnected it is necessary to cut off the power and reenergize it after it is connected Disassembly and Assembly of Water Pu...

Page 45: ...ic box and electric box cover Mount back side panel and top cover Connect water pipe 5 Exploded Views DHW C3 5 A1 K DHW C5 0 A1 K Exploded views 3DUWV LVW No Name of part Part code Quantity 1 panel gr...

Page 46: ...il 1 22 solenoid valve 1 23 strainer 1 24 pump 1 25 Terminal box Sub Assy 1 26 right Side Plate 3 1 27 Handle 1 28 Terminal Board 1 29 installation baord of electric parts 1 30 electrical box Sub Assy...

Page 47: ...port 01705003 1 6 front baffle 01352801P 1 7 pump 43130322 1 8 support rack Sub Assy 01892810P 1 9 condenser 01152240 1 10 connect Board 01342800 1 11 Top Cover 01255001 1 12 installation board of ele...

Page 48: ...Sub Assy 00101156 1 27 4way value 43000403 1 28 High pressure switch 4602001001 1 29 right Side Plate 01305013 1 30 freon inlet R22 06120011 1 31 Handle 26235254 1 32 solenoid coil 4300040022 1 33 so...

Page 49: ...capacitance 33010026 1 18 grille nets 01473014 1 19 capacitance 33010743 1 33000046 20 Terminal Board 42011147 1 21 back baffle 01352804P 1 22 solenoid coil 430001089 1 23 solenoid valve 07332803 1 2...

Page 50: ...HEAT PUMP WATER HEATER MAINTENANCE 48 Note only is part of DHW C3 8 NbA K Model only is part of DHW C5 0 NbA K Model Water tank Exploded views...

Page 51: ...151281804P 01512815P 01512809P 0151281201P 01512812P 1 5 Top Cover Plate 0126280101P 01262801P 01262801P 0126280102P 0126280102P 0126280102P 0126280101P 01262801P 01262801P 0126280102P 1 6 Jacket supp...

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