Untitled - Inventor
Contents
1. Insulated Water Tank Main Unit 7 Manual discharge valve Hot Water Outlet m Water Inlet d D Cut off valve Hot water output i gt al Water Outlet Temp Sensor Sensor 1 D ll Circulation Water Outlet Safety check l 9 valve Filter Cut off valve C Tifi 7T Circulation Water Inlet KA Mid Manual discharge Cut off valve A Bes Tap water valve B 1 Lower temp sensor TIJLI Blowoff Outlet Earthing wire of water tank C of Valve D 24 HEAT PUMP WATER HEATER INSTALLATION Insulated Water Tank Main Unit Manual discharge valve A Hot Water Outlet Automatic discharge valve gt m Water Inlet d 5 5 Cut off valve Hot water output ensor 1 a Water Outlet Temp 5 Sensor 1 ZN Tube Connecter 3 82. A hn m Circulation Water Outlet Safety check valve Filter Cut off valve C Ti ki Manual an Circulation Water Inlet ul discharge lt bl 6 M valve Cut off Valve A Auxiliary 99 Wate Sensor 2 s 4 LON Electric ie 6 water Power of auxiliary Heater electric heater ii E Lower temp sensor Blow off Outlet Cut off Valve D Joints Dimension Description Joint pipe thread Circulating water inlet outlet of main unit G3 4 Hot water inlet of water tank G1 2 Circulating water inlet outlet of water tank G3 4 Cooling water inlet of water tank G1 2 Pipe joint G3 4 N Notice 1 Distance between master unit and insulated water tank should not exceed 5m levellv 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 above joint dimension If cut off valve 15 installed outside the room PPR material 15 recommended to avoid freeze damage 3 Waterway pipelines can t be installed until water heater is fixed Do not let dust and other sundries enter into pipeline system during installation of connection pipes 4 After connection of all waterway pipel
3. KM A2 3 Model DHW C3 8 NbA K XT BI qu p m YRN 5 0 d BU 1 qmm lt T BN RD B 2l BL copi JA l LI XD Auxiliary electric Prset J ah 0 Connection mE m l t 1 1 Vater R y WE Zz W A BEA RD A RD L x4 4 XB X6 P Sensor Bg get 08 07 06 cM ON WS YE BU COMP HEAT gt gt ET PE 4 X19 1 gt m 9 12V gt gt L XI High pressure switch RE M a PS My BU BK BN TEN 1 Transformer _ EH 2 EKV controller DE YEGN J M m WE Electronic 1 m aay ave inflate Valve ati Ta Jh xo BU XT N ES PE Fan Mot HEAT PUMP WATER HEATER MAINTENANCE 4 Model DHW C5 0 NbA K
4. 37 HEAT PUMP WATER HEATER MAINTENANCE Mount new compressor and fix serey f e P h L 5 Fix the new ut a new compressor in the corresponding IN f position n ae e Tighten the fixing screw of compressor idm Be CN Do not install the compressor up side down por eSolder the connectin pipe of the compressor 6 Connect the to make then connected air inlet and ls EV n eDuring welding charge nitrogen of outlet 10 the i UE CR 2 EP Dp 0 5x0 1kgf cm relative pressure BE 5 NOLO B eDo not burn the other parts during soldering Connect power cord of Aa compressor TES 55 7 Connect the power cord of compresso I d CS Perform leak test for the welding spot Mount the power cord e Tighten the fixing screw of the power cord SUSE n Vacuumize the system via freon inlet 8 Vacuumize it Vacuumize the system via freon inlet via freon inlet 38 HEAT PUMP WATER HEATER MAINTENANCE Charge refrigerant from here 9 Recharge N uU lm a e Recharge refrigerant via freon inlet refrigerant via A The refrigerant volume
5. XT MI i ON li YEGN 1 aa BU Pp IN BN RD BK ur IIA j Discharge Environment Water Tem pire Water Out let a Compressor P MG N mA Connection YE CAM GR CA EET E Yi i Y X1 Vater Tem BI gp Sp CAB py RD li Sensor CNS ON cM CNIS cur 18 12177 BU PE I COMP AT gt gt E AM X19 LPP gt it C X5 0 T 9 18 T P X16 FAN LOW CN3 CM X17 7v uo ss FAN HIGH X8 2 pump CER CV High pressure switch V di V TO BU BK TECK a Transformer _ a N NC EKV controller 13 d AER Wi Electronic 1 inflate Valve C Fan Motor 34 HEAT PUMP WATER HEATER MAINTENANCE 2 Model DHW C7 2 A1 K BU BK DN BN gt Z L AC m M 1
6. JBU op BN Power 10BK IN BU N 2 IN n s 25 85 XN H EE b Ramm a Compressor 25 28 BE 83 5 ER L T MP 51 RTI RT2 RTS j XT2 1 PE Air eec Consumer m vy n 1 ij 2 2 Ad Connect ion huw p Pal 5 7 7 I i 2 ih Water Tem m u E 221 2 0 AM PPE sensor 1 KAM CNS CN E RE L HEAT o WEATYIS eo _180G U fi 7 10906 E n AP 2006 BBU X5 0 gt ke 210G 101 na V X16 FAN LOW X8 PUMP ONM G eo M High pressure switch 98K m 5 KA 7 N N NV jed gt eu 20YE 20YEGN D BN 1IBK YEGN Ly Transformer m Im PUMP N Wired p 2 x DS EKV controller a ye N Spp ay y Nm Q oe mm PR PR 15BN Electronic e 4 way valve inflate Valve PE J26 Specification an Motor Im The wires in the imaginal diagram ku are connected by consumer J 5 Model WT 150LC K WT 200LC K WT 250LC K WT 300LC K fee POWER BN BU 1 N URON S 1 PE XT2 Outdoor Unit PE thermostat1 thermostat2 n E
7. d ZI NS PE nvironmen A V yV ta Inspire Ten 01864189 0 Tem Sensor Vater Tem dud Water Dutl RD BK BN Wi T T Sensor Sensor 2 Tem Sensor BK YE XT1 2 E LI PE Compressor 9 7 TE 523 dN L l EM ay 0 0 0 0 j 0 Auxiliary electric CI MP i EE i Connect ion 0504 21 E23 A X13 X14 X6 cee a ld jg one CNB CNIS am jH 1 r YE 1 BU 0 COMP 1 COMP L HEAT 0 HEAT kl x9 18 0 dik ty fh AP X5 1 00 m X19 pp 06 X18 woo 06 X16 FAN LOW L CN3 UE iP XT FAN HIGH X8 Ml PUMP at P pue C High pressure switch VEN 4 J V RD 1 y YEGN ERN YEGN ue TC BU BK V D s N 1 BE IT du d Pa l E Transformer N j EZ pp pp 7 TEN n ur valve WH Wired E Yn controller Electronic kw wa WM 227 2 n inflate Valve
8. esi 20 1 2 Matters need A U eto 20 1 3 Dimension Data i i e 20 ELECIRIC WIRING WORK i at 24 DAs NN Me VIN SSA 24 2 2 lecti Wirine ae 24 2 3 Sp cification of Power Air Swit aei pi 26 UNITS MAINTENANCE a aa 29 l ERRORECODE LIS it 29 2 PLOW CHART OF TROUBLESHOOTING tatis se esee OT 30 3 WIRING DIADRAM 5 E MN s 34 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN 37 JLEXPLOPDED VIEW tr 43 PRODUCT HEAT PUMP WATER HEATER PRODUCT PRODUCT INTRODUCTION 1 MODELS LIST Nominal Power Supply al Appearance Capacity kW V Ph Hz N Refrigerant Model Name _ R22 DHW CS 0 AL K DHW C7 2 A1 K WEM DHW C3 8 NbA K R134a 7 DHW 5 0 NbA K a m Comme HEAT PUMP WATER HEATER PRODUCT 2 NOMENCLATURE 6 Power sive 731415164171 L31 15 Symbol of heat pump water WT tank 3 Tank type Lack common heat pump water tank V heat pump water tank for multi VRF system 2032 Function code Lack no electric h
9. WP95A R WP75A R 4 BK DON gt OR N pz N x l VEGN Heater da ja 1 e water tank mil Ene 36 HEAT PUMP WATER HEATER MAINTENANCE 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Disassembly and Assembly of Compressor Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the compressor Handling Instruction remove power cord eUnscrew the retaining screw of power cord 1 Disconnect the power cord with screwdriver Unplug the power cord Loosen fixing screw of compressor 7 2 Boy i o gt Dt eRemove fixing screw of compressor with fixing screw of MEN BU screwdriver compressor Hoc gt Solder off suction and discharge Solder the suction and discharge pipe of the 3 Disconnect VU MWA compressor before removing them the suction and e During welding charge nitrogen of discharge pipe 0 Sa 0 540 1 relative pressure eDo not burn the other parts during soldering 4 Remove the dae ee e Remove compressor from the chassis from the chassis A
10. AIR CONDITIONING SYSTEMS Air to water Circulating Heat Pump Systems Service Manual O inventor CONTENTS PRODUCT IN TROD UG THON iii tai eva eaae ka e va Cavo 2 IMO DE lia P 2 2 outa 3 FPUNC KHON a E 3 4 PRODUCG BID TT 4 2 1 Product Dataat Conditioner tet e i ue eee 4 IODO RANG 6 A y Operation iii ifa reet an 6 2 PIPING DIAGRAM R 8 UNITS CONTRO L A i A 11 P OPERAMNONEFEOWEOH A RU eu PH 12 21 socias rr a 12 DDT ST OS WIN tuat Ex le ra MEE 12 REN 12 DIMENSIO 12 TR 12 3 3 Tastallatlofi zo e co roce tete ense a 17 INSTALLATION eia o evi sev tiem ei 20 DAE a Ka inte 20 LT Installation econ
11. back baffle 01352802P 1 45 HEAT PUMP WATER HEATER condenser Sub Assy isolation Sub Assy Terminal box Sub Assy Terminal Board 2 22 right Side Plate 30 freon inlet R22 Handle 31 0 1 2 3 4 5 6 7 8 9 1 2 3 5 6 7 8 39 chassis Sub Assv DHW C3 8 NbA K DHW C5 0 NbA K Exploded views MAINTENANCE 01422805 01892813 01133464 01233038 01422806 01892815 01192802P pr 46 HEAT PUMP WATER HEATER MAINTENANCE Parts List 1 paelgil e 2413981 1 __2_ pal 0533802 1 3 AxilFlowFan 103304 1 6 fontbafle 01352803P 1 NM 9 support rack 01892819 11 condenser Sub Assy 1 electrical cover 01202095 Ww 20 Terminal Board 42011147 1 36 wayvalue 43000403 1 a 38 freoninlet R22 06022002 1 1 39 solnoidcol 4300040 1 40 chassisSub Asy 01192809P 1 Front fixup Plate 02222806 4 4 NI 4 HEAT P
12. E E 7 4 H 2 3 i E a i 0 RE vp RAAHAA oy L DHW C3 5 A1 K DHW C7 2 A1 K DHW C3 8 NbA K DHW C5 0 NbA K 20 HEAT PUMP WATER HEATER INSTALLATION m hot water outlet fi temperature sensor Fai cycle water outlet 5 2001 1 i QJ WT SX250LC BLK temperature sensor 2 m c cycle water inlet O tap water inlet inlet cycle inlet outlet outlet drain 4 Installation Clearance Data 1 4 1 Installation of Master Unit of Water Heater 1 The installation requirement of master unit is the same as that of outdoor unit It can be installed on the wall rooftop balcony or floor Air outlet should be kept away from the upwind direction 2 The distance between master unit and each wall around or other shelters shall not be too small The following requirements shall be met Unit mm 3 If canopy is installed radiation and heat absorption of heat exchanger should not be hindered 4 Master unit should be installed vertically at firm place and fixed with foot bolts If vibration 1s great anti shock rubber mat should be added 5 Confirm sealing connection between drainage pipe and water outlet of master unit as shown in 21 HEAT PUMP WATER HEATER INSTALLATION the following figure niin ain ki Hi AEN AA Mia Li
13. place where there is interference of electromagnetism signal line and wiring communication of wired controller must be shielding twisted pair lines 18 INSTALLATION HEAT PUMP WATER HEATER INSTALLATION INSTALLATION 1 UNITS INSTALL 1 1 Installation Positions For outdoor unit The installation is frost free The space around the unit is adequate for servicing The space around the unit allows for sufficient air circulation There is 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 should be reported immediately to the carrier claims agent 1 3 Dimension Data
14. the system Check water system and clean the filter Communication failure flow chart of trouble shooting Communication failure 15 communication line connected rightly yes y 15 communication no Correct the connection line closed circuit yes Y Check if display no Replace communication line panel normal yes mainboar ot exchang e mainboard no Replace display panel E6 MAINTENANCE 33 HEAT PUMP WATER HEATER MAINTENANCE Temperature sensor failure flow chart of trouble shooting temp sensor failure T no Is temperature sensor de connected rightly with connection the mainboard yes v Is resistance no within normal Change temp sensor range yes Mainboard ur Change mainboard 3 WIRING DIADRAM 1 Model DHW C3 5 A1 K DHW GC5 0 A l K
15. water pump Disconnect connecting pipe of master unit Remove top cover and front Remove the water pump i Ta Remove the electric box and its parts eScrew off the connector on both sides of water pump Remove power cord of water pump 3 Open the electric box cover 2 Remove the power cord T e Remove power cord of water water pump y pump 42 HEAT PUMP WATER HEATER MAINTENANCE Tighten screw of eConnect water pump and ensure B it is sealed eConnect power cord of water pump Mount a new water pump N i HSS eMount electric box and electric box cover e Mount back side panel and top COVET eConnect water pipe 5 Exploded Views DHW 3 5 Al K DHW GC5 0 A l K Exploded views Do 15 11 18 1 20212223 X 2 ESN a 1 EP wl 22 33 Parts List No J Nameofprt Quantity 1 pmelgnl 2241343 EE NEN EN pane 015330126 3 AxialFlowFan 1033304 1 motor support M 1 01703102010 6 front baffle 01352803P lowe
16. 00 400 1 740 FI sse Bt MM SOO o 60 300 gt a Water yield volumell h Water outlet temperature C ES 0 5 10 15 20 25 30 3 40 45 Outdoor temperature C DHW C3 8 NbA K Water Yield Capacity Correction 300 4 f l ERI H NS JATUR X FI V N HEAT PUMP WATER HEATER PRODUCT DHW C5 0 NbA K Water Yield Capacity Correction 20 aS m EN 40 i D VES 1 4 4 L Byes m le Li 300 i 90 T gt 4 JW we pas A C 200 m LRL n qup A p AC ur 100 pe a E Pp _ emp E 74 a T gee pH i 0 5 e eo 30 5 a SE 5 PIPING DIAGRAM Electronic Capillary Filter Expansion Valve 4 way compressor valve Heat Heat Exchange Exchanger Thermal with Cross with Expansio Liquid Heat Temperature Pressure Exchanger Sensor Switch wit
17. 5m please enlarge its sectional area to avoid overload 3 Specification of power cord was selected when BV single core wire 2 4 pieces through plastic pipe is laid at ambient temperature of 40 C and temperature of D type air switch is 40 C 4 If there is any change of actual condition of installation please change the specification of power cord and air switch supplied by us Electric Wiring and Connection 1 Unscrew the screws fixing terminal box cover on right side plate of master unit to open terminal box cover External wiring diagram 1s as below 2 Connect one end of earthing wire attached with the master unit with the earthing screw at the bottom of water tank and the other end with the earthing screw in the terminal box at the side of main unit 3 There is a piece of power cord with leakage protective function attached with the unit One end of it should be connected with terminal board of master unit blue with N brown with L and yellow green wire earthed And the other end with leakage module should be connected with the air switch equipped by the user Pay more attention to difference between live and neutral wires 26 HEAT PUMP WATER HEATER INSTALLATION brown with output live wire and blue wire with output neutral wire of air switch The end with leakage module can not be installed in the bathroom kitchen balcony and other wet places 4 Coat the water temperature sensor led out by the master unit with heat conductin
18. UMP WATER HEATER MAINTENANCE Note only is part of DHW C3 8 NbA K Model 2 only is part of DHW C5 0 NbA K Model Water tank Exploded views Wa 0 gt Ss Pd 7 Fa we L E A 2 E d P gt E 48 HEAT PUMP WATER HEATER Parts List Part Code io MAN a d 2 l Botomcoverrae meae pans onena provaz preno one ose see 1 s ji 4 mone pisano psu osan nonae osans oe 1 _ s oer ue mene war rsen massa ose sewer 1 _ S OOO o s a 9 Tem Sensor Pipe sub Assy 0662802 2 10 7082800 Pod Ceble Crosstoop 69 a 17 18 19 TR r2 IN IN IN Ie lel Re Rf Re Gasket 75042802 Water Tank Base 01892825 49
19. US WE LATERI Chassis of main unit 1 4 2 Installation of Insulated Water Tank Outdoor drainage joint 1 The insulated water tank should be installed and kept levelly within 5m and vertically within 3m from the master unit It can be installed on the balcony rooftop and floor or in the room 2 Standing water tank must be installed vertically with the bottom on the ground never suspended Installation place must be firm enough and the water tank should be fixed on the wall with bolts to avoid vibration as shown in the following figure Weight capacity of water tank during installation should also be considered Water tank Fix 4 with bolts Installed on the ground and never suspended 3 There should be water pipe hot water joint and floor drain near the water tank in favor of water replenishment hot water supply and drainage of water tank 4 Connection of inlet outlet waterway Connect the safety check valve attached with the unit points at insulated water tank with the water inlet of water tank with PPR pipe according to the following figure sealing with sealed tape The other end of the safety check valve should connect with tap water joint Connect the hot water pipe and water outlet of water tank with PPR pipe 22 HEAT PUMP WATER HEATER INSTALLATION aa Safet
20. alve 1 Remove the coil of electronic expansion valve 2 Disassemble the electronic expansion valve Remove coil of electric magnetic valve e Turn the coil clockwise or counter clockwise so that the boss breaks away from the dent Upturn to remove the coil Avoid burning other pipes during welding e Remove the electronic expansion valve carefully Avoid hiting other pipes and parts e During welding charge nitrogen of 0 5 0 1kgf em relative pressure 41 HEAT PUMP WATER HEATER MAINTENANCE The model of new electronic expansion valve should be the same as that of the origianl one Wrap the valve with wet cloth in Mee conneding pipe case of burnt gliding block and entering of water eDuring welding charge nitrogen of 0 5x0 lkgf cm relative pressure ePerform leak test for the welding spot 3 Wled a new electronic expansion valve e After welding the connecting 5 pipe mount coil 4 Mount the coil of the electronic Mount colo expansion vae e If plug of electronic expansion expansion valve a KUL EZ valve coil has been disconnected M it is necessary to cut off the power and reenergize it after it is connected Disassembly and Assembly of Water Pump Remarks It is a must to cut off the power and discharge the water before disassembling the water pump Handling Instruction Loosen screw _of
21. ase press A V to adjust the hours Repress Timer button and numbers of minute will flash In this case press A V to adjust minute At last repress Timer to complete timer setting Cancel Timer After timer setting press Timer In that case LCD won t display timer and timer is cancelled Timer range 00 00 23 59 Every press of A or V will increase or decrease the time of timer by 1 h or 1 min Long press either of them and time of timer will automatically increase or decrease by 1 h or 1 min per 0 5 second 2 Preset Time Setting In preset mode the present preset time will start automatically Press Timer to preset time Preset time setting Press Timer button and the LCD displays Preset xx xx and numbers of hour will flash In this case press A V to adjust hour Repress Timer button and numbers of minute will flash In this case press A V to adjust minute At last repress Timer to complete preset time setting Check Timek Preset time range 00 00 23 59 Every press of A or C d W will increase or decrease preset time by 1 h or min Long press either of them and then preset time will Prior Rapid automatically increase or decrease by 1 h or 1 min per 0 5 second Preset mode 15 circularly startup Water heater will heat water according to preset time every day and advance time corresponding with ambient temperature and then stop heating 1 h after preset time 3 System Time Setting Press chec
22. ck 8 On off button 1 2 2 RAPID 00 00 HOTWATER PRIOR KEEP HEATUP Function description 1 Display of rapid hot water hot water prior air conditioning prior Display of system time timer preset timer and running parameters Icons display of heating up and standby for keeping the same temperature 4 Display of actual water temperature setting water temperature error code and running parameters HEAT PUMP WATER HEATER CONTROL 3 2 2 Display View Instruction to Functions and Operation of Wired Controller Notice If there is not any button operation for 15s the wired controller will be half light In that case the wired controller can be normally operated only by pressing any button to make it light 3 2 2 1 On off Press On Off button to turn on the water heater Repress it to turn off the water heater Note After energization and under normal communication the LCD will display water temperature and time both under on and off states of the unit It suggests off state if the LCD does not display running mode 3 2 2 2 Mode Setting Under on state of unit press Mode button to switch the running modes as the following sequence As shown in right figure it 15 in Hot water mode with rapid button pressed RAPID HOTWATER Hot water mode according to present water temperature water heater immediately starts up or stops heating Save mode Upp
23. controller in the place where there is electromagnetic interference 3 Make sure communication line is connected to correct port to avoid communication malfunction Installation of Wired Controller and Project Debugging Socket s base Soleplate of Front panel of Screw Description box installed in the controller controller ST2 2X6 5 wall Pay attention to the following items during installation of wired controller 1 Cut off power supply of heavy current wire embedded mounting hole in wall before installation It 15 prohibited to perform the whole procedure with electricity 2 Pull out 4 core twisted pair line in mounting hole and then make it through the rectangle hole at the back of controller s soleplate 3 Join the controller s soleplate on wall face and then fix it in mounting hole with screws M4X25 4 At last insert the 4 core twisted pair through rectangle hole into controller s slot and buckle the front panel and soleplate of controller together 17 HEAT PUMP WATER HEATER CONTROL Caution During connection of wirings pay special attention to the following items to avoid interference of electromagnetism to unit and even failure of it 1 To ensure 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 20cm in min 2 If the unit is installed at the
24. e switch Discharge protection Discharge temp sensor Wired controller and main board communication malfunction Communication failure Auxiliary electric heater Anti bonding detecting bonding protection element Ambient temp sensor amp water temp sensor Automatic antifeezing protection Outdoor ambient temp sensor Outdoor ambient temp sensor failure Discharge temp sensor failure Discharge temp sensor Outdoor heat exchanger pipe temp sensor Outdoor heat exchanger pipe temp sensor failure Intake temp sensor Intake temp sensor failure Water tank water temp Water tank water temp sensor failure sensor Water temp sensor Water temp sensor connected with water tank connected with water failure tank Water pressure switch protection Water pressure switch MAINTENANCE Control Description Press ON OFF key to clear it Press ON OFF key to clear it Press ON OFF key to clear it Automatically resume Press ON OFF key to clear it Press ON OFF key to clear Automatically resume Automatically resume Automatically resume Automatically resume Automatically resume Automatically resume Press ON OFF key to clear 29 HEAT PUMP WATER HEATER 2 FLOW CHART OF TROUBLESHOOTING MAINTENANCE rong connection o interference Correct the circuit High pressure protection flow chart of trouble shoo
25. eating function D electric heating function available tal 4 Nominal water i06 100p 150 150L 200 200L tank volume B Wall Mounted Type L Floor Standing Type 6 Bearing Lack non bearing water tank C bearing water tank 7 Type of heat Lack no heat exchanger J inner coil static heating J single coil J2 double coils exchange tube JW outer coil static heating D heating coil with floor D single coil D2 double coils 8 Serial number 3 FUNCTION The unit is automatically adjusted by electronic expansion valve Efficient and is 3 5 Running cost 15 1 4 of that of electric water heater 1 3 of that of gas energy saving water heater and 1 2 of that of fuel water heater Safe and There is no need of any electric heating or complete separation between water environmental and electricity to avoid possible electric shock Without possible toxicities of friendly CO user s safety can be ensured Reliable and Adopting special compressor the unit is resistant to high temp and pressure The HEAT PUMP WATER HEATER PRODUCT durable water tank adopts advanced stainless steel inner container with ultra long dual magnesium sticks to ensure long lifespan of the system Without limitation of environment the unit can be installed in kitchen bathroom Easy installation balcony garage stock room or basement It is also suitable for skyscrapers villa and so on Water temperature can be set Water supply ca
26. er limit of setting temperature is 50 C Other inventor functions are the same as they are in hot water mode Preset mode Preset time of hot water The water heater will C C C C decide advance startup time of unit according to the ambient temperature and then decide startup and stop of compressor C O according to the difference between actual water temperature and setting water temperature It will stop lh after preset time Once set it will run circularly every day Nightwork mode Fix preset time of hot water to 00 00 to 06 00 so that the water heater starts up 14 HEAT PUMP WATER HEATER CONTROL during this period and decides startup and stop of compressor according to the difference between actual water temperature and setting water temperature Once set it will run circularly every day 3 2 2 3 Temperature Setting Press A W to increase or decrease setting water temperature When long press it the temperature will increase or decrease by 1 per 0 5 second Water temperature setting range 35 58 C 50 under RAPID HOTWATER save mode As shown in the right figure 3 2 2 4 Timer Setting 1 Timer On Off Setting Gheck timer i In Hot water or Save mode press Timer to timer on off C C ka Timer setting Press Timer button and LCD will displav D Timer XX XX on under on state of unit Timer XX XX O O O off is displayed with numbers of hour flashing In that c
27. g silica gel and then insert it into the temp sensing joint 2 at the bottom of water tank Connect the temperature sensor attached the middle of water tank 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 the wired controller and then connect the communication wire between wired controller and main unit 7 Separately lay the heavy and light current wires Wired controller Master unit E Watertemp Main board sensor 1 B l li E l ES Watertemp sensor 2 e PE Electric box m E UN N Water tank 1 2 PE Wired controller e Main unit _ i _ Water temp Main board l sensor 1 ii Water temp sensor 2 om PE Water tank Electric box IN N Electric 1 L box DP d PE PE External wiring diagram of water tank with auxiliary electric heater 21 MAINTENANCE HEAT PUMP WATER HEATER UNITS MAINTENANCE 1 ERROR CODE LIST Code Indication Error Name Source of Error Signal Comp high pressure protection High pressure switch Comp low pressure protection Low pressur
28. ge refrigerant leaked according to the volume shown on nameplate Is electronic Replace coil of expansion valve expansion valve or normal even the valve yes I d 5 temperature an no PE pressure of filter changes Filter is blocked greatly Replace it y arts or pipes with variant temperature or pressure are blocked Replace them 31 HEAT PUMP WATER HEATER MAINTENANCE Discharge protection flow chart of trouble shooting E4 Discharge protection v Is discharge Is resistance of Change temperature temperature discharge temp beyond 1201 2 sensor correct sensor Mainboar yes alur Change mainboard v Replace coil o Is expansion valve pa expansion valve or normal even the valve yes ystem is blocked Replace related parts Does filter temperature vary greatly no v Pipe leak Repair it and recharge refrigerant 32 HEAT PUMP WATER HEATER Water pressure protection flow chart of trouble shooting protection Water pressure v L7 beyond 1 5 bar Is inflow water pressure yes Short connect mainboard interface Does error remain no Wrong water pressure switch Change it yes v n Mainboard alur Change mainboard Is water flow sufficient Heat exchanger is es y blocked Clean
29. h Axial Flow Fan Flow Centrifugal n Valve Separator Blower HEAT PUMP WATER HEATER PRODUCT water tank heat exchanger a a IN U S NS 54 a expansion valve T tu evaporator liquic gas separator The energy saving water heater makes use of heat pump Through thermal circulation it absorbs heat from the surroundings air source 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 absorbs heat from the environment and supplies heat to the indoor air while the energy saving water heater heats the water with this heat Its COP is 3 times higher than that of the traditional electric water heater It 15 an efficient energy saving and environmental friendly product CONTROL HEAT PUMP WATER HEATER CONTROL UNITS CONTROL 1 OPERATION FLOWCHART Power on No yes No Turn on the unit manually yes Water temperature no compressor yes ater temperature achieved Achieve stop conditiog No Unit keeps on running yes check failure B Display failure code 11 HEAT PUMP WATER HEATER CONTROL 2 MAIN LOGIC 2 1 Heating M
30. ines perform leakage test firstly After that perform heat preservation of waterway system meanwhile pay more attention to valves and pipe joints Ensure enough thickness of insulated cotton If necessary install heating device for pipeline to prevent the pipeline from freezing 5 Hot water supplied from insulated water tank depends on pressure of water tap so there must be supply of tap water 6 During using the cut off valve of cooling water inlet of water tank should be kept normally on 25 HEAT PUMP WATER HEATER INSTALLATION 2 3 Specification of Power Cord amp Air Switch Layout of Wires 1 Air source heat pump water heater is of I type electric appliance so reliable earthing measure must be performed on special device by professionals 2 Leakage switch and air switch with enough capacity must be reserved in the fixed circuit 3 The power supply must accord with the specifications on the nameplate and special circuit for air conditioner 4 The line width of power cord should be big enough Refer to the following table for selection 5 Install the wires according to national wiring regulations 6 Don t pull the power wire strongly Min sectional area of power cord mm2 Neutral Earthing Live wire wire wire Capacity of air Power supply switch A Notice 1 The power cord must be copper core and working temperature should not exceed specified value 2 If the power cord is higher than 1
31. ing Mount electric magnetic coll of 4 way valve ePerform leak test for the welding 5 Install electric magnetic coil NL ne spot of 4 way valve TELLS e Tighten the fixing screw Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the heat exchanger Solder off connecting pipe e Wrap the inflow pipe and er outflow pipe with wet cloth 1 Solder off the heat exchnager m ames c g e During welding charge V TN A nitrogen of 0 5 0 lkgf em relative pressure eats eRemove the heat exchanger 2 Remove the heat exchanger carefully Avoid hiting other pipe aoe or parts 40 HEAT PUMP WATER HEATER Mount the heat exchanger 4 Weld heat exchanger Mount heat exchanger Weld connecting MAINTENANCE Put the heat exchanger in specific position Match the pipes corerctly Avoid hiting other pipe or parts eConnect the pipe of heat exchanger Wrap the pipe with wet cloth and weld them e During welding charge nitrogen of 0 5 0 1 relative pressure e Perform leak test for the welding spot 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 v
32. k button and defaulted check code 00 will be displayed in water temperature displaying area 15 HEAT PUMP WATER HEATER CONTROL Under check state and when check codes are 00 press Timer button to set system time In this case the LCD displays xx xx and numbers of hour will flash Press A V to adjust hou Repress timer button and numbers of min will flash In this case press A V to adjust min If system time is not needed press check button to quit or let it quit automatically after 15s without any operation Repress timer button to confirm time setting and the time won t flash any more Range system time 00 00 23 59 Every press of A or V will increase or decrease setting time by 1 h or 1 min Long press either of them and then system time will automatically increase or decrease by 1 h or 1 min per 0 5 second as shown in the right figure 3 2 2 5 Special Functions 1 Lock Function Press Aand V at the same time for 5s the wired controller will display lock icon In that case buttons of wired controller are invalid and lock icon will flash if operating any button Repress and W at the same time for 5s and the lock icon Check Timer will disappear and functions of wired controller will resume C If malfunction occurs lock function will be invalid for a while Once it is released lock state will resume Lock state rior O O P 0 9 will be memorized upon power failure 2 Cleani
33. n be on or off depending on water temperature and water volume so that hot water can be supplied at any time Easy operation Unit on off can be set by user according to requirements the unit will stop once water temperature reaches the setting point Running of unit in electric platykurtosis is possible to reduce cost Intelligent The unit with anti freezing and intelligent defrosting functions can efficiently defrosting prevent freezing and frosting The unit can make and supply hot water all day despite of night overcast and All day use rainy days 4 PRODUCT DATA 4 1 Product Data at Rated Condition Nominal w Heating Capacity 1 onm 17060 24566 Power EX lis a lel s Power Supply 220 240V IPh 50Hz High Low pressure switch compressor thermal protection overcurrent Safeties protection lack of phase anti phase protection antifreezing protection R22 Compressor Heat I Tube in tube Condenser 3 4 E Heat HeatExchanger Fin type heat exchanger fle tp Unit Packing Height 750 800 750 800 882 930 Dimension 762 878 762 878 870 994 256 360 256 360 378 428 Net Gross Weights 50 56 55 61 68 79 HEAT PUMP WATER HEATER PRODUCT DHW C3 8 NbA K DHW C5 0 NbA K T T Nominal Heating apacity Btu h 12966 17060 Power Power Supply 220 240V IPh 50Hz High Low pressure switch compressor thermal protection Safeties overcurrent protection lack of phase anti
34. nd then connected with relevant power terminals of outdoor unit and electric heater Never mistake the connection to avoid damage to electric elements If the units are under protection condition check out leakage causes to clear the fault and then open the electric box without power supply to reset leakage protector If leakage protector trips off again stop the unit and ask professionals for help Never check or repair it by yourself to avoid safety accident Green mark is normal while red mark means conglutination between contacts in which case 1 should be replaced after cutting off its power General principles Wires equipment and connectors supplied for use on the site must be in compliance with provisions of regulations and engineering requirements Only electricians with qualification are allowed to perform wire connection on the site Before connection work is started the power supply must be cut off Installer shall be responsible for any damage due to incorrect connection of the external circuit of the unit Caution It is a MUST to use copper wires 2 2 Electric Wiring Design
35. ng Function During stop of unit without malfunction press Mode and V at the same time for 5s and the wired controller will enter into cleaning state LCD will circularly display Hot Water Save Preset and Nightwork refer to the right figure Repress Mode and W at the same time for 5s to quit Cleaning function can maintain max 30 min After startup Check Timer On Off button is shielded Once malfunction occurs cleaning function will automatically quit A Q 3 Parameters Check Prior Rapid This function is usually for debugging personnel When press check button into checking state checking code flashes and corresponding parameters are displayed in clock displaying area Press A and V to switch among code 3 2 2 6 Malfunction Display If malfunctions occur during operation of system temperature displaying area will display error codes 16 HEAT PUMP WATER HEATER CONTROL When malfunction occurs wired controller shields all functions except On off and checking functions The outdoor unit is off If multiple malfunctions occur at the same time error codes will be displayed in cycle If wired controller displays malfunction please turn off the unit and ask professionals for help Refer to error codes in the last page for reference 3 3 Installation Installation Location of Wired Controller 1 Never install wired controller in wet place or under sunlight directly 2 Never install the unit and wired
36. ode When press ON button if the temperature of water tank meets the heating requirements the outdoor fan will start running The compressor will run after 15s If the temperature of water tank is above the set temperature the unit will stop and all loads will terminate The outdoor fans will stop after 15s 2 2 Defrosting Mode Condition of defrosting In heating mode if the accumulative running time of compressor is beyond the set interval time of defrosting default 45min and the defrosting temperature is lower than the set starting temperature default 4 C the unit will start defrosting In that case the 4 way valve will shut off and the outdoor fan will stop after 2s Condition of stopping defrosting In defrosting mode if the continual defrosting time 15 beyond set continual time of defrosting default 8min and the defrosting temperature is beyond the set stopping temperature the unit will restart heating In that case the 4 way valve will be open and the outdoor fan will run 3 WIRED REMOTE CONTROLLER 3 1 Dimension 9001900 240 600 3 2 Function 3 2 1 Operation View Functions and Wired Controller 12 HEAT PUMP WATER HEATER CONTROL Check Timer A Mode O Prior Rapid v On Off 1 Check button 2 Timer button 3 Increase button for temp and clock 4 Mode button 5 Prior button 6 Rapid button 7 Decrease button for temp and clo
37. phase protection antifreezing protection R134a Refrigerant Charge Type Rotary did Heat Exchanger Tube in tube Condenser Water In Out Pipe Inch 3 4 Diameter Heat Exchanger Fin type heat exchanger Evaporator Fan Motor Power W 30 0 Input gia EE 750800 7621878 762 878 imension 256 360 256 360 Net Gross Weights 55 61 60 66 Note 1Ton 12000Btu h 3 517kW Water tank model WT SX150LC B1 K WT SX200LC B1 K WT SX250LC B1 K WT SX300LC B1 K WT SX350LC B1 K WT SX400LC BI K Outline dimension mm 520 1350 540 1595 540 1945 620 1620 620 1895 620 2125 ODxH Package mm 1375 610 605 1620 630 625 1970 630 625 1645 710 705 1920 710 705 2150 710 705 W D H Dimension connecting pipe between mm DN20 DN20 DN20 DN20 DN20 DN20 main unit and water tank Connecting fir 1 000 DNI5 DNI5 DNI5 DNI5 DNI5 DNI5 water pipe terminal HEAT PUMP WATER HEATER PRODUCT Water tank model WT 150LC K WT 200LC K WT 250LC K WT 300LC K Capacity Um Outli utline dimension 520 1350 540 1595 540 1945 620 1620 ODxH Package W D H 1375 610 605 1620 630 625 1970 630 625 1645 710 705 a wo Dimension of DN20 DN20 DN20 DN20 between main unit and water tank Connecting dimension DNIS DNIS 2 of water pipe terminal 1 Test conditions of the above data ou
38. r panel Sub Assy 02222803 011522410 condenser 1 011394000 9 supor 43 HEAT PUMP WATER HEATER MAINTENANCE 11 1 19 7 _ m e O o m 1 m oaan _ m sms pomp 4mm 71 a6 m tae 1 35 797 box DI High pressure switch 1 430004020 4 way value 1 43000403 17 18 19 20 21 22 23 24 25 26 27 28 29 30 2 3 4 002028020 commpressor and other parts 1 002028010 35 36 freon inlet R22 06120011 1 0119280301P 39 chassis Sub Assv 1 01192804 0 Front fixup Plate 02222806 Note D only is part of DHW C3 5 A1 KModel 2 only is part of DHW C5 0 A1 KModel HEAT PUMP WATER HEATER MAINTENANCE DHW C7 2 A1 K Exploded views 2 I panet 1 _ 3 axiat Flow Fan 9 01152240 connect Board 01342800 01255001 installation board of electric parts 01322805 13 mainboard 30222030 electrical box Sub Assy 43110237 33000001 Terminal Board 42011103 33010010 1 AC contactor 44010245 1
39. rtically and upwards next to circulating inlet of water tank If allowed valve B should be at the place where it 1s easy to be operated by the users 4 Installation of water inlet outlet pipes of water tank Safety check valve on the valve body points at water tank filter and cut off valve must be installed for water inlet pipe according to the installation sketch of unit At least a cut off valve 1s needed for the water outlet pipe 5 Installation of drainage pipe Connect a piece of PPR pipe with drainage outlet to floor drain A cut off valve must be installed in the middle of the drainage pipe and at the place where it is easy to be operated by the users 6 1 Passing through the wall for connection between master unit and water tank Wrap the circulating water pipe with insulated cotton Cover the temperature sensor with spool Lead them together with the earthing wire through the wall pipe after tied by plastic tape Put protective 23 HEAT PUMP WATER HEATER INSTALLATION sleeves on both sides of the duct 2 Not passing through the wall for connection between master unit and water tank Wrap the circulating water pipe with insulated cotton Cover the temperature sensor with spool Tie them together with the earthing wire by plastic tape 7 Refer to Installation Sketch of Unit for details 2 ELECTRIC WIRING WORK 2 1 Wiring Principle The power cord should be firstly connected with dynamic power terminal in electric box a
40. should accord with freon inlet NS 1 Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the4 way valve Remove electric magnetic coil of 4 way valve 1 Disconnect the electric Loosen the screw fixing 4 way magnetic valve coil of 4 way valv valve e It is necessary to record the direction of the 4 way valve before Remove connecting pipe of removing It ul Wrap the valve with wet cloth in case of burnt gliding block and entering of water e Heat the pipe and remove the electronic expansion valve e During welding charge nitrogen of 0 5 0 Ikgf em relative pressure e Do not burn the other parts during soldering 2 Disconnect the connnecting pipe of 4 way valve sues 4 CSCS 3 Remove the 4 way valve l Wil Remove 4 way valve 39 HEAT PUMP WATER HEATER MAINTENANCE Connect connecting pie of eWrap the valve with wet cloth in case of burnt gliding block and entering of water 4 Connet the pipe of 4 way Weld the pipeline valve with system pipeline During welding charge nitrogen Weld them of 0 5 0 relative W pressure Do not burn the other parts during solder
41. tdoor ambient temp 20 C DB 15 CWB water tank initial ending temp 15 55 2 If there is any change of product specification please refer to nameplate 4 2 Operation Range Range of Outdoor Temperature C 4 3 Operation Performance During heating the water is heated by the unit absorbing heat energy from outside and then releasing it to the water in water tank Heating capacity may be reduced if outdoor temperature is decreased The following chart is for reference DHW C3 5 A1 K Water Yield Capacity Correction 300 T NN EE CC Se a 49C co A Pa 5550 LE ESPRIME E mara MAR E A PA 4 O gt p yl Ps D PA 2 EE 5 i ui Zo ae e 150 out iam f Shee Spe m Sp 2 5 M M s uis ze aes 92 Pa gn 5 5 JA 9 L L i gibson i P P Co 100 ______ ____ NET a existe RUP DM EE Se Ss e Ri 0 Outdoor temperature C HEAT PUMP WATER HEATER PRODUCT DHW C5 0 A1 K Water Yield Capacity Correction 500 400 ye _50 Water yield volume l h 100 Water outlet temperature C 5 0 5 10 15 20 25 30 5 40 45 Outdoor temperature C DHW C7 2 A1 K Water Yield Capacity Correction 5
42. ting High pressure switch Connect oressure Short connection of gauge Is high ne mainboard interface dm Is pressure switch pressure really Is protection damaged high es E pee lace pressure failure Replace switch mainboard Does water flow meet the requirements yes lower than Wrong parts Check hydraulic set and clear filters 2 5 bar in spring summer and autumn 1 5 bar in winter no eat exchanger scaling Clean the unit yes Y Is expansion valve normal yes Check if refrigerant and filter temperature vary greatly yes Filter is blocked Replace it no R eplace coil of expansion valve or even the valve Parts with obvious temperature variation is blocked Replace 30 HEAT PUMP WATER HEATER MAINTENANCE Low pressure protection flow chart of trouble shooting Low pressure protection Check with pressure no Mainboard interface no rong connection of gauge if the low H short connected Does Is pressure switch P interference Correct 9 pressure is low protection remain damaged pas yes yes mainboard failure Change Change pressure n switch mainboard yu Is refrigerant yes Char
43. y check valve Tap water Note For safe use of water water outlet inlet of water tank must connect with a certain length of PPR pipe L 270xR2 cm R is inside radius of the pipe Moreover heat preservation should be conducted and metal pipe can not be used For the first use water tank must be full of water before the power 15 on 1 4 3 Connection of Waterway System 1 If connection between water tank and main unit should be through the wall drill p70mm hole for pass of circulating water pipe It is unnecessary if the hole is not needed 2 Preparation of pipelines Circulating water outlet inlet pipe must be hot water pipe PPR pipe with nominal out diameter of dn25 52 5 series wall thickness of 4 2mm being recommended Cooling water inlet pipe and hot water outlet pipe of water tank should also be hot water pipe PPR pipe with nominal out diameter of dn20 and S2 5 series wall thickness of 3 4mm being recommended If other insulated pipes are adopted refer to the above dimensions for outer diameter and wall thickness 3 Installation of circulating water inlet 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 with the unit must be installed vertically and downwards at water inlet of main unit The other manual discharge valve B attached with the unit must be installed ve
Download Pdf Manuals
Related Search