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Air-to-Water Heat Pump Service Manual (T1/R410A/50Hz)

1. FID VD GIREE su Ro IR gt I 1 Te 5 0 a iL I II 9 y C M LO er CA gt pL wl 5 1 9 24 i DEM I E i 71 SI 2 1 1 I I T I JEN ft fi IL p jan Vv iv T 1 I ERES lo I l T I I i 4 TT A 1 I LUC VI HL A T nn LY VI m I 7 LI I 7 WZ 1 1 1 Z ______ 1 i gt LL f O I ES Cd UJ Hj 1 35 EN v fl C m KC ON Y x ff 3 lan GOH wp oa Ww _ 7 67 AIR TO WATER HEAT PUMP INSTALLATION 1 3 2 Indoor GRS CQ6 0Pd Na K lI GRS CQ8 0Pd Na k I GRS CQ10Pd Na K l GRS CQ12Pd Na K I GRS CQ14Pd Na K lI GRS CQ16Pd Na K
2. LJ 8 IPSS Ld FIC RPFPFFEPEEFFPFFPFPPP 22 5 n FH LLL DL 7 T 6l T B fron IC JC 1 MED CIT 66 AIR TO WATER HEAT PUMP INSTALLATION GRS CQ12Pd Na K O GRS CQ14Pd Na K O GRS CQ16Pd Na K O GRS CQ12Pd Na M O GRS CQ14Pd Na M O GRS CQ16Pd Na M OY
3. a Indoor Unit Ap ET A POWER D sg Kel RTB e Man Boar L lt q CAC L CNIS 5w Water flow switch N CS a 2 s al RT7 Thermostat P SM if 0634 0 1 E 2 _ Kel RTE Hro Thermostat 8 4 A7 165 QUUD SL 34 EMT crees 22 WP9SAR 2 N 2 8 2 2 la 1 33 ll mE Water tank V Auxilia n XT1 valve1 52 _ ili E 5 o5 SPD y RTI 1 2 AC contactor Consumer Connection 3 6 2 XDN 9 95 li Water tank Auxiliary electric E valve2 e 5 Rie heater AC contactor Specification gni 3 a z Ta 2 Client water pump 1 If there is gate control function 7 3 aon 37 gt O 3 contactor pull out the leading wire 50 on dd KM valve T lt lt M Water PUMP terminal boards between19 and 20 8 6 16 8 e P0k 9 RT4 yo Auxiliary electric and then connect the WH RD MW Bi 3 way 3 1 heater 1 2 Gate controller B valve2
4. Judgment AMET Water Cooling Heating bist 3 Way Valve and 3 Way Valve and 3 Way Valve and 2 Way Valve 2 Way Valve 2 Way Valve Control Control Control YES YES YES NO NO Water Pump es NO Water Pump Control Error Indication Pump Contro Error Indication Control YES YES 4 NO uu NO Water Flow Wear eum Water Flow TM Error Indication epee Switch Control Error Indication YES YES YES Electric Expansion Valve Control Electric Expansion Valve Control Electric Expansion Valve Control YES YES NO s NO NO Outdoor fan Motor jac gt Outdoor fan Motor Error Indication Outdoor fan Motor I TEE Error Indication Control Error Indication YES NO YES YES NO Ec ae Error Indication Compressor Error Indication Error Indication ontro Control Control YES YES 4 PS Cooling 4 Way Valve Error Indication Oper
5. Water Tank Temp Sensor Ww jJ m 2 _ Water Tank Temp Sensor2 1 7 103 JA External Power Supply a 380 415V 50Hz 3N 2 3 7 2 Way Valve 2 way valve is required to control water flow while cooling operation Role of 2way valve is to cut off water flow into under floor loop in cooling mode when fan coil unit is equipped for cooling operation General Information NO 2 wire AC NC 2 wire 97 AIR TO WATER HEAT PUMP INSTALLATION 1 Normal Open type When electric power is NOT supplied the valve is open When electric power is supplied the valve is closed 2 Normal Closed type When electric power is NOT supplied the valve is closed When electric power is supplied the valve is open How to Wire 2 Way Valve Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the indoor unit and open the control box Step 2 Find terminal block and connect wire as below 1 2 4 5 6 OFF ON N OFF N NC NO N NC NO N 2 way value 1 2 way value 2 WA
6. i 4 ul 3 i 4 Le i ti T gt Ph nup 2d E FT 4 E 121 AIR TO WATERHEATPUMP MAINTENANCE 3 2 2 Radiator Overheating Protection 5 1s displayed on the wired controller Main Board 88 Y Indicating Lamp Monitor Display Y Radiator Overheating Protection If the discharge air and return air of the outdoor unit are shortcut the heat dissipation effect would be much poor If the heat dissipation of the outdoor not 15 in good condition If so the heat dissipation effect of the radiator would be mush poor If the radiator is blocked by filth Replace the main board Record and report the actual result Fig 3 2 2 Flowchart of diagnosis of Radiator Overheating Protection 122 AIR TO WATERHEATPUMP MAINTENANCE 3 2 3 Tripping Tripping If all switches meet the requirement Please install the electrical switch in accordance with the No User s Manual If tripping occurs once the compressor is started If tripping occurs No once the power is on 1 Check if the connection of wire L1 L2 L3 N also the earth wire 1s proper 2 After the power is off check if there 15 short circuit be
7. 22 OMNEM 148 MAINTENANCE Exploded View of GRS CQ12Pd Na K O GRS CQ14Pd Na K O and GRS CQ16Pd Na K O AIR TO WATERHEATPUMP 177 xi 17 RENE ji GEESE SE SUUS gv SUSUSUSUSUSUSOSUSUSOSOSU SUSUSUSEUSUNSSUSOSOSUROSOS 149 2 e lo V ___ mU 4 P Xe Y N 26 D _ c 9 p 38 S 010 AIR TO WATERHEATPUMP MAINTENANCE Parts List of GRS CQ12Pd Na K O GRS CQ14Pd Na K O and GRS CQ16Pd Na K O No Nameofpat Partcode Quantity Drainage Plug 6813401 Chassis Sub assy 1192820 8 QlapboadSub Assy 1242808 9 Compressor support sub assy 018052959 10 205224 12 7425216 13 1715001 Rear Side Plate Sub Assy 01314171P Inhalation Tube Sub Assy 4675328 16 43120122 26235253 Magnet Coil 4300040029 3 20 4142823 24 Condenser Assy 1122817 25 Rear Grill 1475432 1255262 28 1392862 31 1435436 34 30223313 35 Filter Board 30228115 Terminal Board 3 bit 42011242
8. high temp hurt 140 AIR TO WATERHEATPUMP MAINTENANCE 9 Remove compressor and gas liquid separator Remove the connection wire of compressor See Fig 13 welding out the suction pipe discharge See Fig 14 Loosen the bolts fixing the compressor and Remove the compressor and gas liquid separator 141 AIR TO WATERHEATPUMP MAINTENANCE Indoor Unit 1 Front panel assy Fig 1 Fig 2 Fig 2 142 AIR TO WATERHEATPUMP MAINTENANCE 2 Electric box assy Fig 3 3 Water pump switch and water flow switch See Fig 4 143 AIR TO WATERHEATPUMP 4 Electric heater automatic air outlet valve and relieve valve See Fig 5 joint of pressure gauge for capillary shall be removed 5 Expansion tank See Fig 6 6 Plate type heat exchanger See Fig 7 MAINTENANCE 144 AIR TO WATERHEATPUMP MAINTENANCE 5 EXPLODED VIEWS AND PART LIST 5 1 Outdoor Exploded View and Part List Exploded View of GRS CQ6 0Pd Na K O 7 2 lt lt a lt lt V xU 2 QO 30 KO p9 9 4 f N we PA 9 BEEN X 5 AY gt A EN EM Fr TB S E EM X p EN
9. BET 1111111 x x mx xxx Connection for Indicating Gate Control Fuction 12345 678 910 1112 13 1 15 16 17 18 19 20 N 57 2wayvdue 1 2wayvaue 2 3wayvaue 3wayvaue 2 Comedion for water s AC contactor Accident lihgt 94 AIR TO WATER HEAT PUMP INSTALLATION GRS CQ12Pd Na M GRS CQ14Pd Na M GRS CQ16Pd Na M Terminal Board 2 Connection for Indicating Gate Control Fuction 12 3 45 67 8 910 1112 13 14 45 16 17 18 19 20 2wayvdue 2wayvdue2 3wayvdue 3wayvalue 2 Connection for Qient SUE E water s AC contactor Terminal Board 1 1 L2 L3 N Comeding extema power supply for Indoor Unit Terminal board 3 21 22 23 24 25 26 27 28 29 30 31 Thermostat 1 Thermostat 2 power supply for water tank eletric heater 95 INSTALLATION AIR TO WATER HEAT PUMP 1 3 6 Connecting with External Electric GRS CQ6 0Pd Na K GRS CQ8
10. kL SP CN66 p E DE 6 2 e E P HP A 4 2 477 8 E LPP KK ES RT ND E 20K RT 5 E y AMA 3K WHIYE BL U M Ww 4 Ww MPN JTDOOR UN NAME ELECTRIC HEATER BOARD INDUC TANCE CLIMP COMPRESSOR FAN MOTOR BAND HEATER YV 4 WAY VALVE ELECTRONIC INFLATE VALVE SWITCI PRESSUR Pressure sensor High side COMP OVER AD 20K PIPE TEMP gt SENSOR 15K NVIRUNMEN SENSOR GAS PRESSURE Electric component position BAND HEATER RT SUCTON TEMP SENSOR OK JEFROST TEMP SENSOR ATD4 BL RTO AF Z NO AIR TO WATER HEAT PUMP INSTALLATION GRS CQ12Pd Na M O GRS CQ14Pd Na M O GRS CQ16Pd Na M O NDOOR UNI L gt gt 2 lt 5 H DD p FT lt gt 2 23 f lt x 2y Vi aK A VJ UK A N OU W is W14 uf COMP
11. _ 7 Terminal Board TEO EAO _ 9 ______ 154 AIR TO WATERHEATPUMP MAINTENANCE Exploded View of GRS CQ8 0Pd Na K I GRS CQ10Pd Na K I GRS CQ12Pd Na K GRS CQ14Pd Na K I and GRS CQ16Pd Na K l 7 2 eo i 42 ES N N ur E v LU Fs 9 J o 606 29 155 AIR TO WATER HEAT PUMP MAINTENANCE Parts List of GRS CQ8 0Pd Na K I GRS CQ10Pd Na K I GRS CQ12Pd Na K I GRS CQ14Pd Na K I and GRS CQ16Pd Na K l s pete o FrotPanel _ 1542808 _ 1 ME 1 1 Electric 1392940 1 0090284 0100 Piate Heat Exchanger 6 Water Manometer 1 4902803 1 7 BotomCovrPlate __ 1262870 1 8 OutetGasPipeSub Assy 4322857 1 9 lnltGasPipeSub Assy 4322859 Perses SIL 0 1 1 _ 12 OutetWaterPipeSub
12. WIRENCI WORK 93 Te tue NE 33 2 AO rre 84 2 3 zi Wining Desio 88 UNITS Pug pec 102 WERRORIC ODE IIIS 102 2FLOW CHART OF TROUBLES HOO 108 3 DIAGNOSIS 112 3 1 Diagnosis Flowchart of Driving of Single phase 113 3 2 Diagnosis Flowchart of Driving of Three phase 120 METHOD OF TESTING IPM MODULE SHORT CIRCUIT 121 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 128 5 EXPLODED VIEWS 5 0 2 0 0661 0 3 145 5 1 Outdoor Exploded View and Part List 145 5 2 Indoor Exploded View and Part 153 5 3 Water Tank Exploded View and Part 5 159 GREE COMMERCIAL AIR CONDITIONERS AIR TO WATER HEAT PU
13. X lem 1 hae a 3x mem 0d ___7 swainer gt 8 compressor Gasket a _ 9 Compressorandritings 001056086 _ 145 AIR TO WATERHEATPUMP MAINTENANCE 12 Pressure Protect Switch 46020006 1 Temperature Sensor 3900028010 3 14 Electrical heater Chassis 765100044 15 Pressure Protect Switch 46020007 1 18 Cabinet 01435004P 19 Front Grill 22415003 20 10335005 2 15702802 22 Motor Support Sub Assy 01802876 23 Left Side Plate 01305043P 24 49010109 Electric Box Sub Assy 01395787 26 PFC Inductance 43128003 Electric Box Cover 01425279 Electric Box Assy 01392879 Insulated board cover of electric box 20113003 31 Box Cover 0425 31 32 8 9 30 33 42011242 3 Magnet Coil 4300040029 Top Cover Sub Assy 01255007 36 Condenser Support Plate 01175037 37 Rear Grill 01475008 38 Temperature Sensor 3900028010 39 Condenser Assy 01122816 41 Temperature Sensor 39008054 42 Clapboard 01245237 44 Sensing Device 322101031 45 electronic Expansion Vae 3 o 46 __ drainage Connecter 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 146 AIR TO WATERHEATPUMP Exploded View of GRS CQ8 0Pd Na k O and GRS CQ10Pd Na K O A 7 7 z E
14. G GREE 2 Sal 2 EN NB 5 han set AIR TO WATER HEAT PUMP CONTROL 3 Press Set button to enter function parameter setting mode The function parameter is flashing x G GREE C Orn O 2 58 m EFL 4 Press button to adjust parameters GREE 20 AIR TO WATER HEAT PUMP CONTROL 5 Press Set button to save the desired parameter C GREE Orn e imt Esc 6 Repeat step 2 to 5 to set other function parameters Press LJ button Return button to return the main menu Yu G GREE Orn OH ih dib dh Ap mim T 7 RSS b AMEN D k 21 AIR TO WATER HEAT PUMP CONTROL Table of user function parameter Code Function description Setting temperature selection Selection for setting temperature as temperature Forced Operation Celsius Fahrenheit switching 3 Display temperature in Celsius Fahrenheit p unit operation disinfection operation 16 Other thermal equipment room temperature or outflow water demand and sanitary water heating demand are required at the same time Setting priority when under heating demand and sanitary water heating demand are required at the same time Setting status of b
15. o Pme _ 008 _ 157 AIR TO WATERHEATPUMP MAINTENANCE LICORNNUN em 00 __ Tememmser 1 _ mm 1 Thermostat 45048006 m usen cmm Memes meme wmm _ mme 1 _ _______ _ 158 AIR TO WATERHEATPUMP MAINTENANCE 5 3 Water Tank Exploded View and Part List Exploded View of SXVD200LCJ A K SXVD200LCJ A M SXVD300LCJ A K and SXVD300LCJ A M p 159 AIR TO WATERHEATPUMP MAINTENANCE Parts List of SXVD200LCJ A K ____ Nameofprt fPartcode Quantity 2 Fixation Bracket Outside 01802819P 1 m 4 Electric Box Assy 01392865 5 Bottom Cover Plate 6 Drainage Pipe Sub Assy 0439280 1 ___ 7 PWatrTankBasee 080985 __ 3 10 12 13 14 15 16 17 18 19 20 21 22 23 24 m m Parts List of SXVD200LCJ A M Name of part Part code Quantity Bottom Cover Plate 01262801P Fixation Bracket Outside 01802819P Electric Box Assy 01392885 1 Drainage Pipe Sub Assy 04362821 1 WaerTakBae 3 Water Pipe Joint accessory 06652838 9 0 2 32110009 P ON 10 45048016 T 05230012 12 26902805 14 45048003
16. 51 zm Retum Set a The table of error code Error code Error description F4 Malfunction of outdoor environment temperature sensor F6 Malfunction of defrost temperature sensor F7 Malfunction of discharge temperature sensor F5 Malfunction of suction temperature sensor EF Malfunction of outdoor fan E5 Overload protection of compressor or malfunction of driver E1 High pressure protection of compressor E3 Low pressure protection of compressor E4 High temperature protection of discharge C5 Malfunction of indoor capacity switch E6 Communications failure between outdoor and indoor mainboard E6 Communications failure between outdoor mainboard and wired controller Fc Malfunction of high pressure sensor F9 Malfunction of outlet temperature sensor dH Malfunction of backup outlet temperature sensor F1 Malfunction of liquid pipe temperature sensor inside refrigerant F8 Malfunction of inlet temperature sensor FE Malfunction of the second sanitary water tank temperature sensor 61 AIR TO WATER HEAT PUMP CONTROL Malfunction of gas pipe temperature sensor inside refrigerant dF Malfunction of other thermal outlet temperature sensor Over temperature of outlet temperature This error code will not displayed on wired controller but only on mainboard of outdoor unit 3 2 3 15 Test Mode The test mode setting is as follow 1 Operate the wired controller to let the heating cooling operation OFF and wa
17. 5V 84 AIR TO WATER HEAT PUMP INSTALLATION 2 GRS CQ12Pd Na K O GRS CQ14Pd Na K O GRS CQ16Pd Na K O I SENSURZ LPF SENSURS H PRESS HPP ChDO CMO 3 7 i rk rU 1 ZIN i E HEAT o L 1 I OW E T A 1 F 1 7l i wie an ed 1 i a E dum dU DC MOTORI Dc MOTORS Silk Screen Specification Live wire input of power supply red N Neutral line input of power supply PFC blue inductive wire blue PFC brown inductive wire PFC yellow inductive wire PFC white inductive wire U phase of compressor V phase of compressor DC 1 1 pin strong power supply fan GND 4 pin 15V 5 pin control signal 6 W phase of compressor pin feedback signal DC MOTOR2 1 pin strong power fan 4 15 5 pin control signal 6 pin feedback signal Electric heating tape _ VA 1 E heater of chassis HPP pressure switch Low pressure switch T SENSOR2 1 2hole pipe temperature 3 4hole environment 5 6hole exhaust SENSOR3 1 hole 3 3V 2 hole detection suction temperature sensor CN66 CN67 Communication cable 2 pin B 3 pin A Communication cable 1 pin earthed 2 pin 4 pin 12 power supply CN65 De It can not be used for communication between outdoor unit a
18. 128 AIR TO WATERHEATPUMP MAINTENANCE PP am eo FAM tem EXIRET RA A M Wi ur 1 NA WW AMI 1 TEILT T AM 2 l Y TM M Mi Yi M a n NN ud WA ANN t NW M AD ime Fig 3 2 Remove the Cabinet Loosen the two tapping screws and remove the Cabinet See Fig 3 Fig 4 129 AIR TO WATERHEATPUMP MAINTENANCE 3 Remove right side plate Loosen the two tapping screws right side plate Fig 5 4 Remove the Rear Grill Loosen the two tapping Screws and remove the 130 AIR TO WATERHEATPUMP MAINTENANCE 5 Remove the Electric Box Assy Fig 7 Loosen the two tapping Screws and remove the Electric Box Assy See Fig 8 131 AIR TO WATERHEATPUMP MAINTENANCE 6 Remove the axial fan Loosen the ball nuts and remove the axial fan See Fig 9 7 Remove the motor Loosen the screws fixing the motor support Remove the motor support Loosen the wire of motor and pull it through the hole Remove the motor See Fig 10 132 AIR TO WATERHEATPUMP MAINTENANCE 8 Remove the 4 way valve Remove the 4 way valve Loosen the screws fixing the coil of 4 way valvel Remove the coil of 4 valve Unsolder the tubes connected to the 4 way valve Remove the 4 way valve See Fig 11 When welding the va
19. episu eui ueuj pue 02 n pue g ueeAdeq z Lx Og ZO lac J lc 81 11101 8 5 06 y 1no IN we 9 N mm Neo Uonounj si JI gt 62 E m Dj E s amp mE jejsouuJou JEJSOWISY fs E o2 55 58 fewz Aem z y se pejoeuuoo eq jou ueo AOU 2 82 2292 52 e xooIq se jd OY S13 Jvc c ze LZ e1 xoor jeuruue 139euuoo S 1 104 ddns 93 AIR TO WATER HEAT PUMP 2 3 5 Terminal Board Information GRS CQ6 0Pd Na K GRS CQ8 0Pd Na K GRS CQ10Pd Na K GRS CQ12Pd Na K GRS CQ14Pd Na K GRS CQ16Pd Na K Terminal board 3 INSTALLATION 21 22 23 24 25 26 27 28 Therrostat 1 Thermostat 2 Terminal Board 1 power supply for Water tank electric heater L N 1 N Connecting extemal electric power supply for Indoor Unit Terminal Board 2 IND 0 00 ye X7 X6 Xe
20. umm On Of i Ei Temp zat dh um dub di pm NN i view W ANS i 5 viet 33 AIR TO WATER HEAT PUMP CONTROL 2 Press button to adjust desired hour G GREE Orn Of aN V Te Set 3 Press Set button to save the setting hour and the system will automatically enter setting current minute mode The current setting minute is blinking G GREE te um Orn Off ae d gt i mm dii Em E um m AS S d 34 AIR TO WATER HEAT PUMP CONTROL 4 Press L J button to adjust desired minute CG GREE v Orn OH m ees un db rv w um e 5 Press Set button to save the setting minute and the system will automatically enter setting current day mode The current setting day is blinking nmn G GREE i Orn OH amp a Temp view ite wu d dii Ze fa 6 E olen M l 35 AIR TO WATER HEAT PUMP CONTROL 6 Press button to adjust desired day G GREE a On O 7 Press Set button to save the setting day and the system will automatically return to main menu The
21. 1300 76 AIR TO WATER HEAT PUMP INSTALLATION 1 Water Volume and Pump capacity Hydraulic Head Loss mH O Hydraulic Head Loss mH O Note Maxumun speed 100 120 20 40 80 Water FLowrate l min I cA ha ce medium speed 0 20 40 60 80 10 0 Water Flowrate l min The water pump is three speed adjustable maximum medium minimum In most case we strongly recommended to set speed as maximum If the noise of the pump is not acceptable we recommended change the default speed to medium speed but to secure enough flow rate do not set water speed as it can lead unexpected flow rate error EC 2 Water Volume and Expansion Vessel Pressure pre pressure in expension vessel Bar 50 100 150 200 250 300 350 400 ce Maximun total watar volume liter 77 AIR TO WATER HEAT PUMP INSTALLATION Note Expansion vessel is included which 10 liter and pre pressure 2 Total water volume of 280 liter is default if total water is changed because of installation condition the pre pressure should be adjusted to secure proper operation If the indoor unit is located at the highest position adjustment is not required Minimum total water volume is 20 liter To adjust pre pressure use nitrogen gas by certificated installer The method of calculating the charging pressure of expansion vessel needed to be adjus
22. Does silica gel of If radiating silica gel is module no too thick it will affect meet the radiating or even burn requiremen the module ts yes Check if temperature sensor and voltage dividing resistance are normal It is recorded and reflected Fig 3 1 5 Flowchart of diagnosis of radiator superheat protection 117 AIR TO WATERHEATPUMP 3 1 6 Overvoltage Protection of DC Bus on wired controller 5 1s displayed yes How many times does it occur within 1 hour no It is caused by interference Inspect wiring or interference source Take some actions to prevent interference Replace mainboard C Monitoring Nixie tube of diaplay mainboard Overvoltage PH is protection of dried DC bus xd Is input voltage within the running range 185 264VAC Does it occur during running of compressor no yes no Does it occur during frequency drop of compressor yes CES MINNIE It is caused by slowdown of the compressor If it always happens inspect the compressor It is recorded and reflected MAINTENANCE The voltage is too high Please cut off the power immediately in case damaging the unit or causing fire accident Fig 3 1 6 Flowchart of diagnosis of DC bus overvoltage protection 118 AIR TO WATERHEATPUMP MAINTENANCE 3 1 7 Under
23. electric heater two sets 2 3 Control of Heating Tape on Chassis When heating operation starts in low temperature in order to prevent the condensation water generated by defrosting from freezing in chassis which will incur malfunction of drainage the heating tape is installed in chassis If the ambient temperature is lower than 09 when the compressor operates electric heating will operate if the ambient temperature is higher than 2 or compressor stops the electric heating will stop 2 4 Control of Fan In cooling the outdoor fan will adjust fan speed according to pressure detected by high pressure sensor In heating or water heating the fan will adjust fan speed according to ambient temp 2 5 Control of Compressor Output capacity of compressor is adjusted according to the comparison of current outlet water temperature and setting outlet water temperature or the comparison of indoor ambient temperature and setting indoor temperature The output capacity will not be adjusted within 6 min after the compressor operates once compressor stops it can t be started within at least 3 min 2 6 Control of Electric Expansion Valve In heating or water heating operation electric exchange valve is adjusted according to superheat degree of plate type heat exchanger In cooling operation electric exchange valve is adjusted according to superheat degree of outdoor heat exchanger AIR TO WATER HEAT PUMP CONTROL Electric exp
24. Address e Em Ww Y VIEW 58 AIR TO WATER HEAT PUMP CONTROL GREE 5 Address Function sel Lus Return ES 1 n f GREE Address Funclion Clock sei d T 3 Press Set to save the adjustment During operation press Return or Esc button to save the set value and return to main interface The unset items are defaulted to be the last set values 59 AIR TO WATER HEAT PUMP CONTROL GREE 3 2 3 13 Set address Address 1 Press J button to enter address viewing mode G GREE eS 7 a On OA TR Temp E um a T Temp view mm mm um 5 2 Press Set button to enter address setting mode address is flashing v 3 Press button to adjust desired address Range 0 125 127 253 4 Press Set button to save the desired address 60 AIR TO WATER HEAT PUMP CONTROL Esc 5 Press LJ button Return button to return to the main menu The system will automatically release without any input after 20 seconds 3 2 3 14 Error Code Display displayed on control panel Icon C GREE Orn OH piss s i i view
25. Air to Water Heat Pump Service Manual T1 R410A 50Hz GREE ELECTRIC APPLIANCES INC OF ZHUHAI GREE COMMERCIAL AIR CONDITIONERS AIR TO WATER HEAT PUMP CONTENTS PRODUC 1 EMODE TE ccu ute UE MT ut 1 1 Irc TANK RENTE 2 Z NOMENCLATURE 2 2 ZL NNA TOE a E N E OEM aOR ta 3 SFUNCTION Arc 3 EE 3 Pm 3 3 IOAN Gc 3 3 5 Heatingt Water Heating 425 4 2 0 a E Isi T 4 3 AUIEK Water mmm 4 SAMONA Ts 4 3 9 Forced Operation 4 Dc 4 SO DISINFE COM 4 3 12 Weather dependent Heating 4 A PRODUC DATA alae seca et 5 4 1 Product Data at Rated Condition sess 5 4 2 ODGrallont 9 A
26. so there must be supply of tap water 9 During using the cut off valve of cooling water inlet of water tank should be kept normally on 74 AIR TO WATER HEAT PUMP INSTALLATION 1 3 4 Electric Wiring 1 3 4 1 Wiring Principle 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 holding qualification are allowed to perform wire connection on the site Before connection work is started the power supply must be shut off Installer shall be responsible for any damage due to incorrect connection of the external circuit of the unit Caution MUST use copper wires Connection of power cable to the electric cabinet of the unit Power cables should be laid out through cabling trough conduit tube or cable channel Power cables to be connected into the electric cabinet must be protected with rubber or plastic to prevent scratch by edge of metal plate Power cables close to the electric cabinet of the unit must be fixed reliably to make the power terminal in the cabinet free from an external force Power cable must be grounded reliably 1 4 Installation Clearance Data A d 73 AIR TO WATER HEAT PUMP INSTALLATION NL MN VM 200 800
27. 46020018 150 AIR TO WATERHEATPUMP MAINTENANCE Exploded View of GRS CQ12Pd Na M O GRS CQ14Pd Na M O and GRS CQ16Pd Na M O NO f NO ES 0 de 3 3 8 39 Em Q In 4 Foe FS SH Ararat IAN BH CRUSH dr hc _ 4 48 19 x JU N N N N N Parts List of GRS CQ12Pd Na M O GRS CQ14Pd Na M O and GRS CQ16Pd Na M O No Nameofpat Partcode Quantity ____2 Inhalation Tube Sub Assy 04675328 1 Gastiquid Separator ____ 0740596 1 _ 4 Compressor support sub assy 01805295P 1 _ 5 ___ Chassis subassy 09 1 _ ____6 Electrical heater Chassis 76510041 1 T ____ Compressor Gasket 768520 3 _ 8 eectricalheater 76515003 1 o Compressor and fittings _____ 024006 1 _ 10 Pressure Protect Switch 4600070 1 _ Clapboard Sub Assy li 1 1570411501 26235253 151 AIR TO WATERHEATPUMP MAINTENANCE Front gril 22414102 18 Cabinet 01435436 Front Side Plate Sub Assy 01305430 A
28. Check if the the electric expansion valve is blocked The refrigerant of the system is not enough and add refrigerant according to the required volume Check if the system has leaked Repair the leakage of system pipe and add refrigerant according to the required volume 109 AIR TO WATERHEATPUMP Comp Overload Protection E5 Check if the AC 4 Overload proection of compressor or driver error E5 yes MAINTENANCE contactor is damaged no Check if the compressor no Replace the AC contactor Adjust the wiring is correct yes Check if the voltage is normal yes Check if the refrigerant of the system is excessive 5 Outdoor fan error EF Outdoor fan error EF Check if the mainboard of outdoor unit is damaged no Check if the wire connecting the wiring terminals of the mainboard breaks yes Replace the wire connecting the wiring terminals of the mainboard no yes yes compressor wiring Contact the power supply company Recharge suitable amount of the refrigerant Replace the mainboard of outdoor unit 110 AIR TO WATERHEATPUMP 6 Temperature sensor error Temperature Sensor Error Check if the plug on temperature sensor is correctly connected to the socket yes Check if the resistance of temperature sensor is correct yes Replace
29. Indoor Water Temperature 40 C 45 C Outdoor Air Temperature 7 CDB 6 CWB Standard piping length 7 5m AIR TO WATER HEAT PUMP PRODUCT 4 1 2 Indoor INDOOR UNIT GRS CQ GRS CQ GRS CQ GRS CQ GRS CQ Model 6 0Pd Na 8 0Pd Na 10Pd Na 12Pd Na 14Pd Na K I K I K I K I K I Power Supply 220 240V 1Ph 50Hz Rated input Gndoor only 3200 Liquid side diameter 6 35 1 4 9 52 3 8 Gas side diameter inch 12 7 1 2 15 9 5 8 Cooling FCU 7 25 Range Outflow Cooling Floor 18 25 water temp Heating FCU 25 55 High Temperature Cycle Heating Floor 25 45 Low Temperature Cycle Type Water cooled m Nr of speed 3 P Power input 200 Water flow LPM 75 limit Volume 10 3 Vessel Max 2 Water Pressure Bar 1 o Pre Sheath 2 Material ww __ Stainless Steel c Operation Automatic Electric S 2 Heater NEN Capacity KW 1 5 1 5 3 3 Combination Power input Pu 1 230 50 Heat Type _ Brazed Plate HEX Exchanger Quantity _ 1 Unit WxDx H 900x 500 324 E E Packed unit WxDx H 1040x 605x 380 AIR TO WATER HEAT PUMP PRODUCT INDOOR UNIT Model GRS CQ16P GRS CQ12P GRS CQ14 GRS CQ16 d Na K l 1 Pd Na M I V 220 Power Supply Ph 240V 1Ph 50 380 415V 3Ph 50Hz Hz Hz Rated input Gadoor only Liquid side diameter m 9 52 3 8
30. test run and when out door temperature is higher than 35 Forced Operation instantly makes the unit working in Cool Heat mode for 15 minutes 23 AIR TO WATER HEAT PUMP CONTROL Note Before setting the forced operation please turn off the unit When the forced cooling Heating operation is press ON OFF button in the control panel The unit will start running Press ON OFF button in the control panel forced operation mode will be finished After running 15 minutes under Forced Operation the system will automatically stop operating Function code 3 Celsius Fahrenheit switching Temperature is displayed in Celsius or Fahrenheit Function code 4 Thermostat control Code 4 is set as 1 The unit operation is controlled by the Thermostat Note Thermostat control only for space cooling and space heating Function code 5 Quick sanitary heating If code 5 is set as 1 and sanitary heating is ON both the heat pump and electric heater in water tank should be turned on With code 5 set as O and sanitary heating ON if the water tank temperature is below maximum water tank temperature only the heat pump will operate If the water tank temperature is higher than maximum water tank temperature the heat pump will stop operating and electric heater in water tank will run e Function code 6 Disinfection operation Disinfection operation is special sanitary tank operation mode to kill and to
31. 18 Cable CrossLoop 765100267 2 19 Gasket 74094 2 20 Toggle Switch Sheath 26900820 2 21 Temperature Sensor 390002832 22 TempSensorPipeSub Assy 04162802 2 ____23 Toggle Switch Sheath 269008230 _ 2 222 Toggle Switch Sheath 26242801 WIM ITN Ie e e jejejeje j unje Parts List of 4 5 2 ____ Fixation Bracket Outside 1 01802819P 1 3 BodyOfOutdoorUnit 01512833P __ 1 4 MagnesiumSub Asy 046280 1 5 Gakt 1 748412100 6 Box Assy 013988 7 BotomCoverPlte 1 01262804 8 JjHlectricheatr 3211000 1 9 WatrTanBae 0189285 3 __ 10 42450480106 Gakt 1 7509800 __ 1 12 j BDraiagehse 0523002 13 ____ Water Pipe Joint accessory 06652838 1 14 1 26900805 1 15 Thermmsa 45048803 16 DrainagePipeSub Asy 1 04328210 __ 17 ReiefVave 21 0738280 1 ___ 18 CableCrssLop 76510067 19 Gakt 7042800 ___ 2 0 20 ____ Toggle SwitchSheath 2600283 2 21 Temperature Senor 1 3900028300 __1 22 Temp Sensor Pipe Sub Assy 0416280 2 23 Toggle Switch Sheath 1 269008200 2 24 ____ Toggle Switch Sheath 26242800 m
32. 24 Toggle Switch Sheath 2 Electric Box Cover 26902805 0 m 1 ININ Re NIN N 164
33. 3V2 ON Electric magnetic 3 way valve2 is normally open T SENSOR1 terminal of temperature sensor1 T SENSOR2 CN11 terminal of temperature sensor2 T SENSOR3 CN12 terminal of temperature sensor3 T SENSOR4 CN13 terminal of temperature sensor4 T SENSOR5 CN14 terminal of temperature sensor5 T SENSOR6 CN15 terminal of temperature sensor6 DOOR C CN23 Door detection input OVC HEAT3 CN28 e heater of water tank adhesion proof protection detector OVC HEAT 1 CN26 e heater of indoor unit1 adhesion proof protection detector OVC HEAT2 CN27 e heater of indoor unit2 adhesion proof protection detector IN SW CN25 detection input of water flow switch COM MANUAL CN6 connect the wired controller COM OUT CN5 connect to outdoor unit COM BMS CN7 Building Management System BMS TR OUT1 CN2 transformer output 1 TR OUT2 CN3 transformer output 2 TR IN CN1 220V in put of transformer CN30 CN30 heavy current interface of end controller CN31 CN31 heavy current interface of end controller 87 AIR TO WATER HEAT PUMP INSTALLATION 2 3 Electric Wiring Design 2 3 1 Wiring Diagram Indoor Unit GRS CQ6 0Pd Na K l GRS CQ8 0Pd Na K lI GRS CO10Pd Na K I GRS CQ12Pd Na 1 GRS CQ14Pd Na K I GRS CQ16Pd Na K
34. Gas side diameter 15 9 5 8 Operation Range Outflow Cooling Floor C 18 25 water temp Heating FCU C 25 55 High Temperature Cycle Heating Floor 25 45 Low Temperature Cycle Type Water cooled Nr of speed Power input W Water ow 75 limit Volume Liter 10 Vessel 2 Pre Sheath E Material Stainless Steel 5 Operation Electric Steps Capacity Ph Power input NIHZ 1 230 50 3 400 50 Type Brazed Plate HEX Quantity 1 Heater Heat Exchanger Unit WxDx H mm 900x 500x 324 C D C 8 Packed unit WxDx H mm 1040x 605 x 380 AIR TO WATER HEAT PUMP PRODUCT 4 1 3 Water Tank optional SXVD200LC_ A K SXVD300LC_ A K SXVD200LC A M SXVD300LC A M Models 7 Electric Heater Power 3000 Occ Outer diameter ool Water Screw thread spec 1 2 Female BSP Outer diameter ot Water Screw thread 4 2 Female BSP spec Outer diameter Circulation Water Inlet O utlet Pipe Screw thread spec Water mm DN20 Outer diameter Inlet Outlet He 3 4 at Pump Pipe 2x Screw thread spec 3 4 Female BSP Unit Dimension D x 540 1595 620 1620 Packing Dimension 1940 99 Depth 625 705 Note Tank is optional part and the specific model of tank shall be selected according to local weather and professional suggestions 4 2 Operation Range Range of Outdoor Tempera
35. Inspect the mainboard after power off or the buss voltage is below 36V Is it wet dirty or short circuit no yes Dry and clean it or remove short circuit Restart the Is 15V of unit Does it ids mainboard work stable 15V A normally pin 1 2 yes yes 1 If it is affected by damp find out the reason and take some precautionary measures After drying the mainboard brush it with damp proof gum water 2 If it is polluted find out the reason and protect it from dust If the environment 1s bad clean the dirt Is IPM module of mainboard damaged yes no periodically 3 If it is short circuit find out the reason and clean the electric box so as to prevent the conductive matter such as iron chippings adhering on the board Replace mainboard It is recorded Fig 3 1 1 Flowchart of diagnosis of PFC abnormality 3 1 2 IPM Protection The reasons may be Untight screws of IPM module damaged IPM module defective radiating of IPM module abnormal 15V power strip abnormal PFC module 113 AIR TO WATERHEATPUMP MAINTENANCE wire connection error with PFC wrong cement resistance RS1 RS3 of driving abnormal compressor interference 5 is displayed on the wired controller Monitoring Nixie tube of display mainboard PM protection Display H5 Inspect the mainboard Imin after power off or the buss voltage is be
36. L 21 x 2 pe 1 2 a lt 2 IN 4 Y 147 MAINTENANCE AIR TO WATER HEAT PUMP MAINTENANCE Parts List of GRS CQ8 0Pd Na k O and GRS CQ10Pd Na K O BigHande T _ 2 VaveSupotSubAsy 1 3 RgnSdePete 05946 1 _ 4 071388167 5 za 4 1 Electric Expansion Valve 073493 1 7 _____ Electronic Expansion Valve loop 4300000008 1 _ Pressure Protect Switn 4902007 1 _ 3 0 MotrSupotSubAssy 08086 1 at FaMoor 1870800 01 0 ___ 2 1 _ ____13 ___ Frontside Plate 7 01805072P 1 292904 2 2 Front Grill 22415003 Tt si ng 03 s8 prc inductance 481280083 1 _ C ji X Electric Box Assy 01392863
37. Of EB ny fanum Set 3 2 3 11 Timing Silent When the wired controller shows the main interface press Timer set amp Silent button for 5 seconds to enter timer silent interface The silent icon ON and the last set time of timer silent will display while the starting hour of timer silent will blink 180 00 80 00 is defaulted upon initial energization GREE mE Pi Address lamp view um mm zi 48 AIR TO WATER HEAT PUMP CONTROL oteps for Setting Timer Silent 1 Press A and V button to adjust starting hour Press Set button to save the adjustment and set starting minute 5 CLT aa me ili in r f GREE i Temp tH dis uum Furichan Chock ma Temp e ED SN N 2 Press and V button to adjust starting minute Press Set button to save the adjustment and to set stopping hour with OFF icon showing 49 AIR TO WATER HEAT PUMP CONTROL n On Off a M 3 an Teme eo dip db mum Gd Addrous Funch tock ps Temp wu u dB RB mm GRE ap AS 3 Press A and W button to adju
38. Press button to enter viewing temperature interface Icon will show f GREE imm Dn Of E ig i view s r NR m Y 5 2 A d V 2 Press L button to select one temperature code G GREE tes On OF E sal ES es 2554 8 lock zat view CRT 2 A Set Tw 5 zu The table of view temperature Temperature Function description code Outer ambient temperature Suction temperature Discharge temperature Defrost temperature The temperature of liquid pipe inside refrigerant Inlet temperature Outlet temperature Internal electric heater outlet temperature Sanitary water tank temperature 2 32 AIR TO WATER HEAT PUMP CONTROL sanitary water tank temperature 1 Room temperature The temperature of gas pipe inside refrigerant Other thermal outlet temperature Esc 3 Press button or Return button to return to the main menu system will automatically release without any input after 20 seconds 2 T G GREE C uum On OF m zal 3 E di d dai mm didi he E SN S 3 2 3 8 timing setting Clock set 1 Press button to enter setting current time mode current setting hour is blinking f GREE e
39. Setting temperature gap from target temperature of cooling operation Set the temperature gap from target temperature outflow water or room air in 27 AIR TO WATER HEAT PUMP CONTROL cooling mode This value requires frequent On and Off of the unit e Function code 26 Setting temperature gap from target temperature of heating operation Setting the temperature gap from target temperature outflow water or room air in heating mode This value requires frequent On and Off of the unit e Function code 27 Setting temperature gap from target temperature of sanitary heating operation Set the temperature gap from target water tank temperature in sanitary heating mode Val ue of Code 27 Target temperature Set by user 2222 J A l Water tank temperature Value of code 21 A heating by heat pump B heating by water heater in tank C no heating D heating by water heater in tank Sanitary water heating 3 2 3 5 Set engineer function parameter Function 1 Press and Set buttons at the same time and hold on 5 seconds to enter engineer function setting mode Icon will display 28 AIR TO WATER HEAT PUMP CONTROL Press LJ button to select the function code that you want to set Press Set button to enter function parameter setting mode The function parameter is flashing Press button to adjust desired parameter Press Set button to save the desired p
40. below 36V and then the unit is powered on and runs for a period of time Mistake adjustment caused by interference check 1f there is any interference source all around and if the wiring inside the electric control box is proper If the compressor 15 st and is running Yes arted No I Check if the wiring of wires I L2 and L3 is on good condition 2 Check the input power supply quality of with a universal meter and observe if there is large fluctuation between two power cords 3 If the above conditions go normally then take the following steps after the unit 1s powered off for one minute step I check if all wiring on the main board is fastened step 2 check if the screws for the IPM module are tightened otherwise the temperature of the IPM would be extremely high or the IPM module would come into protection step 3 check if the silica gel beneath the IPM module is even or if there is foreign matters between the IPM and the radiator step 4 check if the radiator is blocked by filth otherwise the IPM module would come into protection owing to the poor heat elimination step 5 if all troubles mentioned above are cleared out then check if the ventilation of the outdoor unit is in good condition otherwise the IPM would come into protection under the cooling mode due to the over high outdoor ambient temperature Take the following steps after the unit is powered off for one minut
41. e heater of the indoor unit When the setting outflow temperature or indoor temperature is reached the e heater of indoor unit will stop running as to water heating mode the e heater of indoor unit stops while the e heater of water tank runs When the setting temperature or water tank is reached the e heater will stop running 3 7 Quick Water Heating In quick water heating mode the unit runs according to the water heating control of heat pump and the e heater of water tank runs at the same time 3 8 Holiday Mode This mode is only available for heating mode This mode is set to keep indoor temperature or outflow temperature in a certain range so as to prevent water system of the unit from freezing or protect certain indoor articles from freezing damage This mode requires installing indoor temperature sensor When the outdoor unit stops due to malfunction the two e heaters of the unit will run 3 9 Forced Operation Mode This mode is only used for refrigerant recovery and debugging of the unit 3 10 Silent Mode Silent mode is available in cooling heating and water heating mode In silent mode the outdoor unit will reduce the running noise via automatic control 3 11 Disinfection Mode In this mode the water heating system can be disinfected When starting up the disinfection function and setting corresponding time to meet the requirement of disinfection mode the function will start After the setting temperature is reached th
42. is polluted find out the reason and protect it from dust If the environment is bad clean the dirt periodically 3 If it is short circuit find out the 4 is damaged Driving board is reason and clean the electric box so as to damaged Replace prevent the conductive matter such as the mainboard iron chippings adhering on the board Is there obvious vibration or noise for compressor no Replace the mainboard It is recorded Fig 3 1 4 Flowchart of PFC inductor abnormal noise diagnosis 116 AIR TO WATERHEATPUMP MAINTENANCE 3 1 5 Superheat Protection of Radiating Fin Monitoring display Superheat protection of radiator ES is displayed on wired controller Nixie tube of mainboard P8 is displayed If short circuit happens to air outtake and air return of outdoor unit the radiating effect will be worse Is radiating of outdoor unit in good state If radiator is dirty or blocked the the radiating will be worse Is radiator dirty or blocked If the module 1s loose its temperature will be too high which may burn the module Is module tight Is silica gel of module even If radiating silica gel is too thick it will affect radiating or cause misjudge due to uneven temperature or burn the module
43. nuts with your hands Tighten the flaring nuts with torque wrench until you hear a click 80 AIR TO WATER HEAT PUMP INSTALLATION Bend of fitting pipe shall not be too low otherwise the fitting pipe might crack Please use pipe bender when bending the fitting pipe 4 When connecting outdoor and indoor unit never pull the big and small joint of indoor unit with force so as to prevent the tubes of indoor unit from cracking and causing leakage Connecting pipe shall be supported by a rack without transmitting its weight to other units Pipe of indoor nut Pipe PF a Fi a ar at A Ka 4 J Spanner 4 Ar Moment spanner m 2 Installation of Protective Layer on Connection Pipe avoid condensate dew or water leakage on connecting pipe the air pipe and liquid pipe must be wrapped with heat preservation material and adhesive pipe for insulation from the air The joints on indoor unit and outdoor unit must be wrapped with heat preservation materials and have no clearance against the wall surface of indoor unit and outdoor unit Wrap the pipe with tapes 1 Use the adhesive tape to wrap the connecting pipe and cable into one bundle To prevent condensate water from overflowing out of the drainpipe the drainpipe shall be separated from connecting pipe and cable 2 Wrap the heat preservation tape so
44. resistance of temperature sensor is not correct The plug Sanitary water tank sensor is not Press ON OFF key to clear High temp protection connected to the socket on mainboard Mainboard of outdoor unit is No display damaged outlet temperature The resistance of temperature High temp protection sensor is not correct De energize the unit and then This error code will not je The plug temperaturelenergize it again If the displayed on wired sensor is correctly malfunction is removed the connected to the socket on code will be cleared controller but only on mainboard of outdoor unit mainboard 105 AIR TO WATERHEATPUMP MAINTENANCE Mainboard of outdoor unit is damaged The resistance of temperature sensor is not correct The plug on solar outlet High temp sensor is not Press ON OFF key to clear protection connected to the socket on mainboard Mainboard of outdoor unit is damaged De energize the unit and then the first internal electric l energize it again the heater connection 6 contactor is damaged TP malfunction is removed the Malfunction code will be cleared De energize the unit and then second internal electric l energize it again If the heater connection _ contactor is damaged m malfunction is removed the Malfunction code will be cleared De energize the unit and then sanitary water t
45. voltage Protection of DC bus 5 is displayed on wired controller Display on Nixie tube on monitor mainboard Lack of voltage protection PL is displayed Whether input voltage d is in the range 185 264VAC Whether it occurs during operation of compressor yes no How many times it occurs within one hour If it occurs when compressor starts no yes Input voltage is close to be low voltage and please check if the diameter of power cord is qualified or It is incurred by interference and figure out the interference source and Replace mainbaord take anti interference measures if the power cord is too long Record it and feed it back Fig 3 1 7 Flowchart of diagnosis of DC bus under voltage y Voltage of power system 15 too low and please cut off the power Don t turn on the unit or else the unit may be damaged or fire may be incurred 119 AIR TO WATERHEATPUMP 3 2 Diagnosis Flowchart of Driving of Three 3 2 1 IPM Module Protection MAINTENANCE phase Unit 5 is displayed on the wired controller Monitor Display IPM Protection Main Board 88 Indicating Lamp H5 See if the error is eliminated after the unit is powered off for one minute or the bus voltage drop
46. 07382801 15 160 AIR TO WATERHEATPUMP MAINTENANCE Parts List of SXVD300LCJ A K 3 3 Body Of Outdoor Unit 0151283401P 1 4 Electric Box Assy 01392865 1 5 Bottom Cover Plate 0126280602P 1 ____6 DranagePipeSubAsy 043600801 7 warnhe O 8 ____ Water Pipe Joint accessory 06652838 9 ____ BlectricHeater 3100686 1 12 ____ Electric Box Cover 269080 1 i _ M 1 99898 a _ Relief Valve 07382801 2 17 Toggle Switch Sheath 269083 8 Gake 70408001 __ 1 O 19 ____ Magnesium Sub Assy 04680 1 1 70412804 emp Sensor Pips SubAsg 24 ____ Toggle Switch Sheath 26242801 Parts List of SXVD300LCJ A M No Nameofpert Partcode 1 Bottom Cover Plate 0122800pP 1 2 Fixation Bracket Outside f 01800833P _____58 ____ Of Outdoor Unit 015128401lP 1 _____4 ElectricBox Assy 01392885 1 ___ 5 Bottom Cover Plate 012628000P 1 6 Drainage Pipe Sub Assy 04362821 1 7 WatrTankBae 0189285 3 8 ____ Water Pipe Joint accessory 06528 __1 9 ElectricHeater 921009 1 ___ 210 PThemosat o 5406 1 pL Drainagehoe 659002 1 Electric Box Cover 269028000 14 Thermostat 404805 15 ReliefValve
47. 073828800 _____16 Cable CrossLoop f 765100267 ____ _____17 ____ Toggle Switch Sheath 2985 1 18 Gasket 7041280401 1 ___ 19 Magnesium Sub Assy _ 04162800 20 ____ ToggleSwithSheah 26908930 21 Temperature Sensor 3900028302 22 Gasket 74080 2 23 Temp Sensor Pipe Sub Assy 0416280 2 24 ToggleSwithSheah 2 NTN TR TR Te Re le 03 Re N 161 AIR TO WATERHEATPUMP MAINTENANCE Exploded View of SXVD200LCJ2 A K SXVD200LCJ2 A M SXVD300LCJ2 A K and SXVD300LCJ2 A M J Tr 162 AIR TO WATERHEATPUMP MAINTENANCE Parts List of SXVD200LCJ2 A K Bottom Cover Plate 01262801P 3 Body Of Outdoor Unit 01512833P ____ Magnesium Sub Assy 1 _ Gasket 7041280401 E 7 BotomCovePlae 01262806P 1 8 JjBlticheter 32110008 1 9 WaterTankBae 0892825 3 10 Thermostat 450480500100 11 Gasket 5042802 12 Drainagehose 2302 1 ____13 Water Pipe Joint accessory 0665288 1 14 JjBlectrcBoxCovr 2690285 1 15 Thermostat 45048000 ___ 1 ____16 DrainagePipeSub Asy _ 0436280 1 17 ReliefValve 0738280 1
48. 0Pd Na K GRS CQ10Pd Na K GRS CQ12Pd Na K GRS CQ14Pd Na K GRS CQ16Pd Na K wo 110 g m Wate a N 15 30 T 1 CN14 O M CN13 CN12 E ii az CN11 CN10 i H l lo Water Tank Temp Sensor1 P WY P 7 I AA WY ERNS SN X f X 2 Jj Se 2 Water Tank 7 Temp Sensor2 2257 External Power Supply 230 50Hz AC AIR TO WATER HEAT PUMP INSTALLATION GRS CQ12Pd Na M GRS CQ14Pd Na M GRS CQ16Pd Na M Water Tank 910 I0 90 ZNO amp ns n CJIO CN15 OU a CN14 CN13 B Li BAL A 12 ml EC gt EL LEl 11 CN10 Jj ASG OO 60000 Xi X9 48 X X6 5 XB XT XG XE XB N gt
49. 0Pd Na K GRS CQ10Pd Na K GRS CQ12Pd Na K Wiring Diagram Indoor and Outdoor Unit Including Field Wiring GRS CQ14Pd Na K GRS CQ16Pd Na K O2 6I ejeq 01 39U3194 1 5 jeuonippe 104 Ajesseoeu s c JOOUUOD jOU SI OS 1N N 101 si pINM 40196 u09 OY juel 2 Z y JO s seq y uo JOU JO pejoeuuoo 40413 pue 1H duue Duneoipur pueuJep sjuel o Josues Gl yue n wy N sm oS EN ZHOS COINODIGV JOOPINO Q jo oouejsip Buo dV Ke dsia i eu I e US 1 e y 99N3 N J cog m ar ara T A gt SE NN Xu Y dd No c K 4 5 Y e F p x ZNO SNO INI TINO N 1 pJoeg LLX xog 5112913 82172 Pelee pe 12 0 8 2 9 2 2 2 1 H It N 1938 00 NDE NDE TKDN 9 60 5 8 E zB 7 jejsouuJeu L jejsouuJeu 20 8
50. 1 Wired controller connects to terminal CN6 on mainboard of indoor unit by 4 core communication line 2 The indoor unit connects to outdoor unit by 3 core communication line Wiring terminal of indoor unit is CN5 and that of the outdoor unit is CN66 3 Remote monitoring device connects to terminal CN7 of indoor unit by 4 Communication line 64 GREE COMMERCIAL AIR CONDITIONERS AIR TO WATER HEAT PUMP INSTALLATION AIR TO WATER HEAT PUMP INSTALLATION INSTALLATION 1 INSTALLATION OF UNITS 1 1 Installation Positions 1 1 1 Installation Positions of Outdoor a Outdoor unit must be installed on a firm and solid support Outdoor unit shall be installed close to the indoor unit hence to minimize the length and bends of cooling pipe Avoid placing the outdoor unit under window or between two constructions hence to prevent normal operating noise from entering the room Air flow at inlet and outlet shall not be blocked Install at a well ventilated place so that the machine can absorb and discharge sufficient air Do not install at a place where flammable or explosive goods exist or a place subject to severe dust salty fog and polluted air 1 1 2 Installation Positions of Indoor Avoid direct sunshine Ensure the hanger rod ceiling and building structure have sufficient strength to support the weight of air conditioner unit Drainage pipe is easy to connect out Indoor and outdoor connec
51. 20K ol 275 Terminal block heat exchanger 2 20119 xT2 pt MN ep __ water out temp sensor cS 3 7 We eT Plate heat exchanger ingleating lamp a a water in temp sensor grs Liquidline temp sensor indicating lamp Gate controller co L lo R14 Gas line temp sensor cw TS lt S py Ke Gas ine temps 50 2 US Auxiliary electric heater ITE Ao COM us water out temp sensor o o WU 54 ow m 2 The wires in the imaninal frames E i 55 2 connected by the consumer E m 56 2 RT7 Water tank temp sensor D OL RTB Other thermal 3 power supply for Thermostat If it ji ay LE d SEE Water out temp sensor is 230V AC please connect Terminal sz 25 279 Remote Air temp sensor block xt3 21 22 23 24 1 it is 24V E 25 4 Main Board Only For RT AC please connect Terminal D m al 2 e lanne block xt3 25 26 27 28 dog Communication line o 3 Do agi Am TE 2 969 cu UT DLILIR UNIT zo Zz Long distance board if Monitor PC GRS CQI2Pd Na M I GRS CQIAPd Na M D GRS CQ16Pd Na M I PE PE Indoor Unit RTO amp 15 2 CX S o ADO NN CODE NAME 1 RIS Main board A e lt gt NI5 5 SW Water flow switch m m _ 1277 Therm
52. 5 2 08 55 58 emg y se eq zou ueo ABUL rs gt 80229252 jeuiuue JOBUUOD eseejd OV Ava S 1 Jive eec ze Le X OIG jeuruue 39euuoo AOEZ S Jo Ajddns Je og 92 INSTALLATION GRS CQ12Pd Na M GRS CQ14Pd Na M GRS CQ16Pd Na M AIR TO WATER HEAT PUMP eje OL 92U9J9J9J 5 5 104 si c JOOUUOD JOU SI y OS eJnjnJ y dn xoeq si OY 19 e ual Z y JO SISeq y uo jou pue 1 Buluuny o __ so CONO22IdV Joyuoui n 5504 c EX 5 B 3 4T S cag xogou 2 ae A1 SEEN S NO3A PLNO SNO ping ZINI TINO LE 0 6 1 P 2 poeg UIe A dd CLX LIX a 6L 02 SN xog got cp
53. AINTENANCE communication line are not mounted with magnetic ring outdoor unit is not electrically powered The sensor is damaged High pressure sensor The wire of the sensor is loose It will be automatically cleared error The position of the sensor isjafter the failure is removed The plug sensor is not Outlet temperature connected to the socket onjlt will be automatically cleared sensor error mainboard after the failure is removed The resistance of temperature sensor is not correct The plug sensor is Backup outlet connected to the socket on lt will be automatically cleared temperature sensor error mainboard after the failure is removed The resistance of temperature sensor is not correct The plug TEM sensor 15 Lliquid pipe temperature connected to the socket will be automatically cleared sensor Inside refrigerant mainboard after the failure is removed error The resistance of temperature sensor is not correct The plug sensor is Inlet temperature sensor connected to the socket will be automatically cleared error mainboard after the failure is removed The resistance of temperature sensor is not correct The plug sensor is The second sanitary connected to the socket will be automatically cleared water tank temperature mainboard after the failure is removed sensor error The resistance of temperature sensor
54. Assy 4362888 13 FlowSwitchSub Assy 4502800 1 14 DispayBord _ 30203300 1 15 __ 7422800 1 16 X WaterPum __ 43138220 1 17 OutetWaterPipe Sub Assy 43629177 1 18 EletcHeaer _ 32102820 1 i oea 1 20 TopCovrPate _ 12625 1 21 ReiefVaee __ 738284 22 Connec ngPipeSub Assy 5032851 1 23 777108028 021 24 Inlet Water Pipe Sub Assy 4362893 1 25 SensoSubAsy 390080803 1 _____26 _____ Terminal Board 4bity _ 420005901 1 AC Contactor 44010245 EM _ 30223311 9 Terminal Board 20 bit 42011254 LR 4311027001 1 gt 09 Note Only is part of GRS CQ8 0Pd Na K I and GRS CQ10Pd Na K l Model Only is part of GRS CQ12Pd Na K I GRS CQ14Pd Na K I GRS CQ16Pd Na K l Model 156 AIR TO WATERHEATPUMP MAINTENANCE Exploded View of GRS CQ12Pd Na M I GRS CQ14Pd Na M I 5 16 0000110010001 9 KD fe 1H 1 11111119 4 oor 006 e Tof gw
55. DC Bus High Voltage Protection Wired Controller Display E5 Monitor Dispay DC Bus High Voltage Protection voltage is larger than 475V Replace the main board Record and report the actual condition If the input power supply MAINTENANCE Main Board 88 Indicating Lamp If the power supply voltage is too high please cut off the power supply otherwise the unit would be damaged Fig 3 2 5 Flowchart of diagnosis of DC Bus High Voltage Protection 125 AIR TO WATERHEATPUMP MAINTENANCE 3 2 6 Open Phase E5 1s displayed on the wired controller Main Board 88 Indicating Lamp Monitor Display Open Phase Check if wire U V W is connected reliably after the power is cut off for minute Connect wires reliably If the terminal wiring of the compressor is reliable Make the terminal wiring of the compressor reliable or replace the damaged compressor Replace the main board ecord and report the actual condition Fig 3 2 6 Flowchart of diagnosis of Open Phase 126 AIR TO WATERHEATPUMP MAINTENANCE 3 2 7 Communication Error between the Indoor and Outdoor Units E6 is displayed on the nixie tube of the outdoor unit indicating the communication error between the indoor and outdoor units See if the error is eliminated after the po
56. Display View Silent mode This icon indicates that the silent mode is active Heatna mode This icon indicates that the heating mode is active 9 In holiday mode or urgent heating model the icon will flashing 15 AIR TO WATER HEAT PUMP CONTROL Cooling mode This icon indicates that the cooling mode is active Weather This icon indicates that the weather depending mode is active depending mode and in Timing Silent mode this icon will flashing sanitary heating mode This icon indicates that the sanitary heating mode is active In urgent sanitary heating model the icon will flash This icon indicates that the disinfection mode is active If disinfection isn t successful the icon will flash This icon indicates that you are setting target room air temperature or current room air temperature is displaying In Timing Temperature mode this icon will flashing This icon indicates that you are setting target leaving temperature or Disinfection mode Room air temperature Water Leaving temperature current leaving temperature is displaying In Timing Temperature mode this icon will flashing Sanitary water This icon indicates that you are setting target sanitary water tank tank temperature temperature This icon indicates that you are setting target Solar leaving temperature temperature Function setting This icon indicates that you are setting engineer parameter T
57. L f GREE n ES 620 E p i amp otep 2 Set timing temperature of the first period 1 The last timing temperature of the first period is defaulted The defaulted time is 8 00 upon initial energization If the reference point is indoor temperature the defaulted temperature is 20 for cooling and 26 for heating If the reference point is outflow water temperature the defaulted temperature is 18 for cooling and 4O for heating Press A and V button to adjust starting hour Press Set to save the adjustment GREE amp dii hi mim me surn 54 AIR TO WATER HEAT PUMP CONTROL E fp GREE 2 and to set starting minute of first period Press A and V button to adjust starting minute Press Set to save the adjustment d m 23 AIR TO WATER HEAT PUMP CONTROL fp GREE view bole um Ben AS T sn 3 and to set timing temperature of the first period Press and V button to adjust temperature Press Set to save the adjustment and to set timing temperature of the second period During operation press Return or Esc button to save the set value and return to main interface The unset items are defaulte
58. MP PRODUCT AIR TO WATER HEAT PUMP PRODUCT 1 MODELS LIST 1 1 Main Unit Model Refrigerant Model Name GRS CQ6 0Pd Na K GRS CQ8 0Pd Na K GRS CQ10Pd Na K GRS CQ12Pd Na K R410A GRS CQ14Pd Na K GRS CQ16Pd Na K GRS CQ12Pd Na M GRS CQ14Pd Na M GRS CQ16Pd Na M PRODUCT Appearance Outdoor Unit Indoor Unit 22011 240V 1Ph 50Hz ore 380 415V 3Ph 50Hz Note 1Ton 12000Btu h 3 517kW AIR TO WATER HEAT PUMP PRODUCT 1 2 Water Tank Nominal Cubage L Appearance SXVD200LCJ A K SXVD200LCJ A M SXVD300LCJ A K SXVD300LCJ A M SXVD200LCJ2 A K SXVD200LCJ2 A M SXVD300LCJ2 A K SXVD300LCJ2 A M 2 NOMENCLATURE 2 1 Main Unit TNO Description Options 1 GREEAtowaterheatpump 2 HemPumpWaerHeser O O OOOO s 8 Power Supply K 220 240V 1Ph 50Hz M 380 415V 3Ph 50Hz indoor unt unt outdooru AIR TO WATER HEAT PUMP PRODUCT 2 2 Water Tank Tank Used In Heat Pump Heat Pump Water Tank for GMV Units Electric Heater Volume Of Tank K 220 240V 1Ph 50Hz M 380 415V 3Ph 50Hz 3 3 1 Cooling In cooling mode the refrigerant is condensed in the outdoor unit and evaporated in the indoor unit Via the heat exchange with water in the indoor unit the temperature of water decreases and it releases heat while the refriger
59. NG 16 broken no Check if the High pressure switch wiring is loose no Check if the water in the tank is enough no Check if the installation of tank temp sensor is correct no Check if the gas valve and liquid valve are fully open no Check if the electric expansion valve can work normally Replace the High pressure switch yes Replace the wiring yes Fill the tank with the water yes Install rightly the tank temp sensor yes Fully open the valve yes Replace the thermal expansion valve 108 AIR TO WATERHEATPUMP MAINTENANCE 2 Comp Low pressure Protection E3 Comp Low pressure Protection E3 yes Check if comp low pressure switch Replace comp is broken or the wiring is loose low pressure or rewire no yes Check if the fans stop running or reverse Check the fans no yes Repair the leakage of system Check if the system has leaked pipe and add refrigerant according to the required volume 30 Comp Discharge Temp Protection E4 Comp Discharge Temp Protection E4 Measure if the resistance of temperature sensor is correct Measure if the exhaust no temperature of compressor reaches 120 C yes Replace the corresponding exhaust temperature sensor yes no Replace the mainboard of outdoor unit Replace the electric expansion valve
60. OFF of the 24 hour reservation or 24 hour decrease reservation ON OFF is flashing Note If 24 hour reservation or 24 hour decrease reservation is set pressing Set button will cancel the current 24 hour reservation or 24 hour decrease reservation and return to main menu 38 AIR TO WATER HEAT PUMP CONTROL e GREE SE umm On Off 5 e 5 25 ry 8 X 5 Temp view EE dii mus a Raetum _ 4 C v 4 Press L button to select ON OFF of the 24 hour reservation or 24 hour decrease reservation on mode or off mode OFF GCG GREE Xx e On Off 5 Press Set button to save ON OFF mode of the 24 hour reservation or 24 hour decrease reservation and the system will automatically enter next step If ON mode is selected it will enter step 6 or step 8 The value that you want to set is flashing 39 AIR TO WATER HEAT PUMP CONTROL CG GREE xx sb as On Off Return dem NN 5 6 Press button to adjust target temperature of the 24 hour reservation 24 hour decrease reservation gt GREE LE Orn O dib E db dum am 4 7 Press Set putton to save the target temperature of the 24 hour reservation or 24 hour decrease reserv
61. RNING Normal Open type should be connected to wire NO and wire N for valve closing in cooling mode Normal Closed type should be connected to wire NC and wire N for valve closing in cooling mod NO Line signal for Normal Open type from PCB to 2way valve NC Line signal for Normal Closed type from PCB to 2way valve N Neutral signal from PCB to 2way valve 2 3 8 3 Way Valve 3way valve is required to operate sanitary water tank Role of 3way valve is flow switching between under floor heating loop and water tank heating loop General Information Flow A between SPDT Flow A and Flow B 3 wire 230V 50Hz AC Selecting Flow B between Flow B and Flow A 1 Flow B and Neutral for common 2 3 Flow B means water flow from the indoor unit to sanitary water tank SPDT Single Pole Double Throw Three wires consist of Live1 for selecting for selecting Flow A means water flow from the indoor unit to under floor water circuit How to Wire 3Way Valve Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the indoor unit and open the control box Step 2 Find terminal block and connect wire as below 98 AIR TO WATER HEAT PUMP INSTALLATION 7 8 9 10 11 12 OFF ON OFF ON N 3 way value 1 3 way value 2 A WARNING 3way valve should select water ta
62. RODUCT 5 PIPING DIAGRAM OUTDOOR UINT INDOOR UINT 19 Nw 17 3 20 RT 9x 12 13 y H5 gm 5 k 4 9 6 10 RT gt 2414 2 U ZEE T Pa E pk 1 m 19 15 16 I o 2 o R T 1 conpressor 10 electric heater 19 expansi on tank 2 four vay val ve 11 flowswtch 20 safety val ve 3 finned coil exchanger 12 3 vay val ve RIT pl ate outlet tenperature sensor 4 fan nator 13 2 way val ve liquid line tenperature sensor filter 14 by pass valve gas line tenperature sensor 6 electronic expansion valve 15 under floor heating MT returning water tenperature sensor 7 plate heat exchanger 16 radi ator RT leaving veter tenperature sensor 8 punp 17 other thernal system veter tank tenperature sensor 1 9 air vent valve 18 water tank R T vater tank tenperature sensor 2 11 GREE COMMERCIAL AIR CONDITIONERS AIR TO WATER HEAT PUMP CONTROL AIR TO WATER HEAT PUMP CONTROL UNITS CONTROL 1 OPERATION FLOWCHART Power Switch ON Operation Mode
63. T PUMP CONTROL Weekly timing indicates relevant icon Press or button to check which weekday were set The selected weekday flashes Press Set to view the set time Press or V to view the next setting times f GREE Go On OF dis G GREE c Orn Of at d db imt e 46 AIR TO WATER HEAT PUMP CONTROL CG GREE Orn Of 5 pem Sat db diam dm ES E ie E Count down setting ON or OFF indicates relevant icon The numbers indicate the time being set to turn or turn off the unit automatically Press Return or Esc menu to exit current timing menu and return to the main menu a f GREE tum If there is no operation 20 seconds the system will exit current setting menu automatically 3 2 3 10 Child lock This function is to prevent children or other people from using controller 1 Press LJ button for 5 seconds to enter this mode 47 AIR TO WATER HEAT PUMP CONTROL 2 During child lock EE will display always and nothing will happen whenever entering any kind of buttons except L button for 5 seconds 3 Press button for 5 seconds again to exit this f GREE Orn
64. Y M gt yE pc D C 5 Was MADE EN Ex C j P j X 1 hh 3 Y MU 4 4 y N N 1 1 4 2 gt 3 N gt y N Y ley ov iX d a ds Aue Parts List of GRS CQ6 0Pd Na K O m Gy clem
65. ack up heater indoor Setting start date of disinfection Setting start time in 24 hours of 19 Heating operation level 0 leaving water temperature 1 room temperature 0 no Forced operation 1 Forced cooling operation 2 Forced heating operation 0 disable 1 enable 0 priority to cooling 1 priority to water tank heating 0 priority to heating 1 priority to water tank heating use half capacity of Back up heater 3kW use full capacity of Back up heater 6kW Sunday Monday Tuesday Wednesday Thursday Friday Saturday 00 00 00 01 01 00 23 23 00 1 low temperature cycle 0 high temperature cycle 0 1 default 0 0 2 default 0 0 Celsius 1 Fahrenheit ECL 4 Thermostat control isEnable disable o 0 1 default 0 1 enable 5 Enable disable of quick sanitary heating 2 O 1 default 0 Enable disable of disinfection operation O 1 default 0 7 Enable disable of holiday mode Setting priority when under cooling O 1 default 0 O 1 default 0 O 1 default 0 1 2 default O 6 default 6 0 23 default 23 0 NOT Equipped 17 FCU equipment 1 Equipped 0 1 default 0 18 Remote air temperature sensor E equipped 0 1 default 0 1 Equipped O 1 default 1 2 N AIR TO WATER HEAT PUMP CONTROL 20 Setting turn on temperature of back up J 20 18 C default heater indoor unit 0 C Setting maximum water ta
66. and winding for short the capacity leakage spot and Is PFC module on requirements deal with it the mainboard short circuit JE ON yes Rc d Y Y T Are relavs K8 on no Is PFC module on no E oon the mainboard the mainboard x connected short circuit contactors are T connected Ensure that there is not short yes circuit between P N Replace Check line Wrong relay replace mainboard chart mainboard A N T It 18 recorded and reflected Fig 3 1 3 Flowchart of trip diagnosis 115 AIR TO WATERHEATPUMP MAINTENANCE 3 1 4 Abnormal Noise of PFC Inductor Generally the continuous and minute sound of inductor is normal Abnormal noise of PFC inductor refers to discontinuous and obvious noise The reasons may be e PFC malfunction abnormal output of driving Abnormal noise of PFC inductor Is there abnormal noise upon startup of compressor yes Inspect the PFC min after power off or the buss voltage is below 36V Is it wet dirty or short circuit no yes Dry and clean it or remove short circuit Reinstall and debug it Inspect running of compressor Does it work no normally yes 1 If it is affected by damp find out the reason and take some precautionary measures After drying the mainboard brush it with damp proof gum water 2 If it
67. ank i energize it again If the electric heater The AC contactor is damaged malfunction is removed the connection Malfunction code will be cleared Pull out of the It will be cleared after the the gate controller is pull out gate controller gate controller is rewire 106 AIR TO WATERHEATPUMP MAINTENANCE gt Drive Failure Code Display on Nixie Display on Item Tube of Outdoor Remarks l Wired Controller Unit Reset of Drive PO E5 System Startup Failure of Lc E5 Compressor Phase Protection Ld E5 Lock LE E5 Overspeed LF E5 Current protection of P5 E5 compressor Communication P6 E5 failure Sensor failure of heat P7 E5 sink Overheat protection P8 E5 of heat sink AC contactor P9 E5 protection AC current protection Inverter Drive 5 input side Failure Current sensor failure Pc E5 Connection Pd E5 protection of sensor Temperature drift PE E5 protection Ambient sensor PF E5 failure of drive plate Overvoltage PH E5 protection Under voltage PL E5 protection Abnormality of input PP E5 AC voltage Charge circuit failure PU E5 IPM protection H5 E5 Desynchronizing of H7 E5 motor PFC abnormality Hc E5 107 AIR TO WATERHEATPUMP 10 Comp High pressure Protection E1 Comp High pressure protection E1 Check if the High pressure switch MAINTENANCE 2 FLOW CHART OF TROUBLESHOOTI
68. ansion valve will not be adjusted within 3 min after the unit operates 3 WIRED CONTROLLER 3 1 Dimension amp 120 394 O d x H 4 RN 4p 3 2 Function 3 2 1 Operation View 1 v A s 18 2 m 7 16 E D is pcs f 15 6 AIR TO WATER HEAT PUMP CONTROL Function Function description B on off Press the button to turn on or turn n Heating operation or button Cooling operation xj LCD display Display unit information Increasing button Press this button to increase the parameter winking EN Temperature set button Press the button to active temperature set Heating Cooling button button Press the button to select Press the button to select heating or cooling operation or cooling operation h ff oe Press the button to turn on or off water Temperature view button view button Press the button to view the Press the button to view the temperature mode Press this button to turn on or weather depending operation Q semen F3 M98 Le moss pmnan 3 2 2
69. ant absorbs heat and evaporates With the help of wired controller the outflow temperature can meet the user s requirement Through the control of valve the low temperature water in the system is connected with indoor fan coil and underground pipe and exchanges heat with the indoor air so that the indoor temperature decreases to the required range 3 2 Heating In heating mode the refrigerant evaporates in the outdoor unit and is condensed in the indoor unit Via the heat exchange with water in the indoor unit the water absorbs heat and its temperature increases while the refrigerant releases heat and is condensed With the help of wired controller the outflow temperature can meet the user s requirement Through the control of valve the high temperature water in the system is connected with indoor fan coil and underground pipe and exchanges heat with the indoor air so that the indoor temperature increases to the required range 3 3 Water Heating In water heating mode the refrigerant evaporates in the outdoor unit and is condensed in the indoor unit Via the heat exchange with water in the indoor unit the water absorbs heat and its temperature increases while the refrigerant releases heat and is condensed With the help of wired controller the outflow temperature can meet the user s requirement Through the control of valve the high temperature water in the system is connected with the coil pipe of bearing water tank and exchanges heat wi
70. arameter Esc Repeat step 2 to 5 to set other function parameter or press LJ button or Return button to return to the main menu The table of user function parameter Function description x _ Setting interval of defrost mode 30 60minute default 50 Setting enter temperature preventing freezing operation 50 default 3 Setting exit temperature of preventing freezing operation 60 14 default 12 Setting enter temperature of anti high temperature operation 550 600 default 58 Setting exit temperature of anti high temperature operation 400 54 default 53 Setting enter temperature of defrost operation 10 default 4 Setting exit temperature of defrost 29 AIR TO WATER HEAT PUMP CONTROL 3 2 3 6 Set target temperature d i 1 Press button or button to turn on the unit GREE u n amp view a Set E Temp set Press repeatedly button to select one target temperature room 2 temperature outflow water temperature sanitary water tank Que temperature and solar outflow water temperature The setting temperature is blinking E f GREE Mid On Off ib di om di gt Note In heating or cooling mode it can select room temperature or leaving water temperature Q In sanitary heating mode it can s
71. ating kW 12 14 15 Capacity Cooling floor cooling 15 15 5 15 3 Bowsr Heating floor heating 3 33 3 9 3 90 Cooling floor cooling 4 28 4 4 4 62 EER Cooling floor cooling o oss 3 5 3 5 3 35 Heating floor heating o 45 4 2 4 4 00 Capacity adiator Cooling for Fan coil 10 5 11 Power Radiator 2 Fancoil 3 6 4 4 20 EER Cooling for Fan 29 2 8 2 7 2 50 e men Raoa maton Refrigerant Charge 3500 3500 3500 3300 Sanitary water Temperature C 40 80 40 80 40 80 40 80 99 59 62 Sound Pressure Level Gas Piping Connection m 15 9 15 9 15 9 15 9 3 3 gt Liquid Piping Connection 9 52 9 52 9 52 9 52 Outdoor WxDxH unit unpacked 950x412 950x412 950x412 950x412x 1253 1253 1253 1253 3 C 7 C E e Note Capacities and power inputs are based on the following conditions Cooling conditions Indoor Water Temperature 23 18 Outdoor Air Temperature 35 CDB 24 CWB Heating conditions Indoor Water Temperature 30 35 Outdoor Air Temperature 7 CDB 6 CWB Standard piping length 7 5m Capacities and power inputs are based on the following conditions Cooling conditions Indoor Water Temperature 12 C 7 C Outdoor Air Temperature 35 CDB 24 CWB Heating conditions
72. ation Control Control YES Heating Water Heating Operation Operation 2 MAIN LOGIC 2 1 Defrosting Mode 2 1 1 The condition of start defrosting mode Under heating mode or water heating mode if the accumulative running time of compressor is over the set interval time of defrosting default 5O min and the defrosting temperature outdoor unit heat exchanger temperature is lower than the set starting temperature default 4 C the unit will start running defrosting and the 4 way valve will shut off and the outdoor fan will stop 12 AIR TO WATER HEAT PUMP CONTROL 2 1 2 The condition of quit defrosting mode Under defrosting mode if the continual defrosting time is over the set continual time of defrosting default 10min and the defrosting temperature is over the set stopping temperature default 159 the unit will restart running heating mode and the 4 way valve will turn on and the outdoor fan will run 2 2 Water side Auto Anti freezing in Winter In low temperature When the compressor stops including normal or abnormal stop of the unit if auxiliary heat is lower than 3 C water pump will automatically operate and 30s later the compressor operates When outlet water temperature is less than 209 the unit will operate while it will stop when the outlet water temperature is more than 20 C However if there is malfunction of the unit anti freezing operation will be started by indoor
73. ation and system will automatically enter the interface of adjusting hour of the 24 hour reservation or 24 hour decrease reservation 40 AIR TO WATER HEAT PUMP CONTROL G GREE Orn OF Hii ul ui mm AS 1 D m MEE 8 Press button to adjust hour of the 24 hour reservation or 24 hour decrease reservation ep GREE x NENNEN On Off TER dis di d dub P us u C 3 EB TR HL Retum Se Set button to save the hour of the 24 hour reservation or 24 hour decrease reservation and the system will automatically enter the interface of adjusting minute of the 24 hour reservation or 24 hour decrease reservation 4 AIR TO WATER HEAT PUMP CONTROL e GREE XE of On Off Wii ES Set es 10 Press button to adjust minute of the 24 hour reservation or 24 hour decrease reservation ep GREE ra a em 2 um 11 Press Set button to save the minute of the 24 hour reservation or 24 hour decrease reservation and the system will automatically return to main menu 24 hour reservation or 24 hour decrease reservation has been set successfully 24 hour 5 reser
74. be automatically cleared error mainboard after the failure is removed The resistance of temperature sensor is not correct The plug on temperature sensor is Suction temp sensor not correctly connected to the lt will be automatically cleared error Socket on mainboard after the failure is removed The resistance of temperature sensor is not correct Mainboard of outdoor unit isjlf it occurs for 6 times during damaged one hour it is cleared by Outdoor fan error The wire connecting the wiring de energization If it occurs for terminals of the mainboardjless than 6 times it will be breaks automatically cleared It is the compressor overload switch error or the compressor drive protection and please Overload protection of 2 Drive failure it will be see the indicating lamp on the compressor or driver Jautomatically cleared after 1 main board of the outdoor unit error min or the 88 nixie tube for the protection code 102 AIR TO WATERHEATPUMP MAINTENANCE Comp High pressure switch is broken or the wiring is loose e The water in the tank is not enough De energize the unit and then T Comp High pressure 6 installation of tank tempjenergize it again If the protection sensor is not correct malfunction is removed the The gas valve and liquid valve code will be cleared are not fully open The electric expansion valve can not work normally Comp Low pressure swi
75. ce of adjusting minute of startup time in the first action of this day L Press L button to adjust minute of startup time in the first action of this day Press Set button to save the minute of startup time in the first action of this day The system will automatically enter adjusting hour mode of stop time in the first 43 AIR TO WATER HEAT PUMP CONTROL action of this day 12 Press __ button to adjust hour of stop time in the first action of this day 13 14 15 16 gt 17 Press Set putton to save the hour of stop time in the first action of this day and system will automatically enter adjusting minute mode of stop time in the first action of this day Press button to adjust minute of stop time in the first action of this day Press Set putton to save the minute of stop time in the first action of this day The system will automatically enter adjusting hour mode of startup time in the second action of this day Repeat steps 8 to 15 to program other actions of this day or press Return button to return to step 7 Esc Repeat steps 6 to 15 to program other day of weekly reservation or press button to return to the main menu The weekly reservation has been set successfully The weekly reservation icon will display always 3 Holiday Reservation 1 Timer set If weekly reservation is activated press repeatedly button to select holiday reservation The h
76. current time has been set successfully e GREE Cm On Off 85 81 E Raum re a hb i E 1 z ER 36 AIR TO WATER HEAT PUMP CONTROL 3 2 3 9 Set timer 1 Set 24 hour reservation or 24 hour decrease reservation Timer set 1 Press repeatedly LJ button to select setting 24 hour reservation or 24 hour F GREE eo umm Onset Temp set 5 view us um decrease reservation 24 hour reservation icon 9 or 24 hour decrease reservation l icon will show The default operation model icon of 24 hour reservation or 24 hour decrease reservation will flash f GREE On Off 37 AIR TO WATER HEAT PUMP CONTROL 2 Press L button to select the operation mode of the 24 hour reservation or 24 hour G GREE On Off d m n Lc L _ 6 mm ZEE decrease reservation heating node cooling 11 sanitary heating MAR heating NAE sanitary heating MATE cooling MAL sanitary heating nol E 3 3 Press Set putton to save the operation mode of the 24 hour reservation or 24 hour decrease reservation The system will automatically enter selecting ON
77. d to be the last set values GREE ib di ro x 2 a 56 AIR TO WATER HEAT PUMP CONTROL mmm Address lamp view ob mum mum z 5 BB NN ne Se Step 3 Set timing temperature of the second period 1 The last timing temperature of the first period is defaulted The defaulted time 15 170 00 upon initial energization If the reference point is indoor temperature the defaulted temperature is 20 for cooling and 26 for heating If the reference point is outflow water temperature the defaulted temperature is 18 for cooling and 40 for heating Press and V button to adjust starting hour Press Set to save the adjustment and to set starting minute of second period fp GREE Address Funrlips Glock sei Aw EN ser N 57 AIR TO WATER HEAT PUMP CONTROL 5 Em em 25 h diresa unclirn sel emp view 858 m Return um 2 Press button to adjust starting minute Press Set to save the adjustment and to set timing temperature of the second period Press and V button to adjust temperature 5 fp GREE
78. e NO 163 AIR TO WATERHEATPUMP MAINTENANCE Parts List of SXVD300LCJ2 A K Name of part Quantity No 6 ____ Electric Box Assy 01392865 8 JjHlecticheater 320 9 WaterTankBae 0189285 3 Parts List of SXVD300LCJ2 A M Nameofpart Partcode Quantity 2 ____ Fixation Bracket Outside 01802833P 1 3 Body Of Outdoor Unit ___ 01512834P 1 4 Magnesium Sub Assy 041980 1 1 7042800 1 6 ___ Electric Box Assy 0132885 1 7 Bottom Cover Plate 0126280pP 1 8 ___ Electricheater 301009 1 9 ___ WaterTankBase 018995 3 10 ___ Thermostat 4506 1 __ u __ __ 750980 12 Dmingehse __ 053012 1 13 Water Pipe Joint accessory 06652838 1 14 Cover 17 269080500 1 15 ___ Thermostat _ 450808 1 16 DraiagePipeSub Asy _ 0439801 1 17 __ Relief Valve _ 078201 1 18 ___ Cable CrossLoop 765810060 2 19 Gasket 1 74094 2 20 ___ Toggle Switch Sheath 26900803 2 21 ___ Temperature Sensor 39000830 1 22 TempSensorPipeSub Asy 04162802 2 23 ___ Toggle Switch Sheath 269002300 2
79. e Step I check if the IPM module is damaged or not firstly remove the wires U V W and then test the voltage between U N V N W N P U P V P W with the diode option of the universal meter 0 3V 0 7V is the normal range otherwise it is indicated that the module is damage and should be replaced Step 2 Check if all wiring is tightened See if the error is eliminated Check if the compressor is in good condition Yes Record and report t actual condition gt Fig 3 2 1 Flowchart of diagnosis of IPM Module Protection 120 AIR TO WATERHEATPUMP MAINTENANCE Method of Testing IPM Module Short Circuit 1 Preparation before test prepare a universal meter and turn to its diode option and then remove the wires U V W of the compressor after it is powered off for one minute 2 Testing Steps 3 Step 1 put the black probe on the place P and the red one on the wiring terminal U V W respectively as shown in the following figure to measure the voltage between UP VP and WP otep 2 put the red probe on the place N and the black one on the wiring terminal U V W respectively as shown in the following figure to measure the voltage between NU NV and NW If the measured voltages between UP VP WP NU are all among 0 3V 0 7V then it indicates the IPM module is normal If any measured valve is 0 it indicates the IMP is damaged
80. e is higher than 2 C the Metal Base pedestal heater will be turned off 25 AIR TO WATER HEAT PUMP CONTROL Function code 14 Quantity of tank sensor If code 14 is set as 1 there is only one temperature sensor on the sanitary water tank If code 14 is set as 2 there are two temperature sensors on the sanitary water tank the one in the middle of the tank is for display in the control the other one is for control ON OFF of the heat pump or electric heater Function code 15 Tank equipment If code 15 is set as 0 there is no sanitary water tank installed in the system The sanitary water heating and disinfection operation are in valid in the control Panel If code 15 is set as 1 sanitary water tank is installed in the system The sanitary water heating and disinfection operation are available in the control panel Function code 16 Other thermal equipment If code 16 is set as O there is no other thermal equipment connected to the tank If code 16 is set as 1 other thermal equipment such as gas boiler oil boiler or solar system is connected to the tank this tank must be two coil one for heat pump and the other for other thermal equipment Function code 17 FCU equipment If code 17 is set as O there is no FCU FAN COIL UNIT equipped in the water system In order to preventing condensation on the floor during cooling the setting value of the ou
81. e pipe length is longer than 10 m additional charge of the refrigerant is needed according to the table Example if 16kw model is installed at a distance of 25m 25 10 50 750g refrigerant should be added Rated capacity is based on standard pipe length and maximum allowable length 15 base on the product reliability in the operation Oil trap should be installed every 5 7 meters when the location of outdoor unit is higher than indoor unit 2 ELECTRIC WIRING WORK 2 1 Wiring Principle 1 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 holding qualification are allowed to perform wire connection on the site Before connection work is started the power supply must be shut off Installer shall be responsible for any damage due to incorrect connection of the external circuit of the unit Caution MUST use copper wires Connection of power cable to the electric cabinet of the unit Power cables should be laid out through cabling trough conduit tube or cable channel Power cables to be connected into the electric cabinet must be protected with rubber or plastic to prevent scratch by edge of metal plate Power cables close to the electric cabinet of the unit must be fixed reliably to make the power terminal in the cabinet free from an external force Power cable must be grounded re
82. e total volume of the water system is 100L Referring to the above figure it is not necessary to adjust the pressure of the 78 AIR TO WATER HEAT PUMP INSTALLATION expansion vessel Example 2 The indoor unit is installed on the highest spot of the water system and the total water volume is 350L As the volume of water system is higher than 280L it is necessary to adjust the pressure of the expansion vessel be lower The formula of calculating pressure P H 10 0 3 0 10 0 3 0 3 Bar The maximum volume of the water system is about 410L As the actual volume of the water system is 350L the expansion vessel meets the installing requirement Adjust the pre set pressure of the expansion vessel from 1 0Bar to 0 3Bar Selection of expansion valve Formula C e Lp v Volume of expansion vessel Total water volume p Pre set pressure of expansion vessel p The highest pressure during running of the system that is the action pressure of safety valve The expansion factor of water the difference between the expansion factor of the original water temperature and that of highest water temperature Water expansion factor in different temperature Expansion factor e 2 2 0 00013 0482 2 70170 80 1 1 0 029 _____ 90 7 00899 79 AIR TO WATER HEAT PUMP INSTALLATION 3 Filling of Ref
83. eded Preparation of pipelines Circulating water outlet inlet pipe must be hot water pipe PPR pipe with nominal out diameter of dn25 and 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 52 5 series wall thickness of 3 4mm being recommended If other insulated pipes are adopted refer to the above dimensions for out diameter and wall thickness Installation of circulating water inlet outlet pipes Connect the water inlet of unit with circulating outlet of water tank and water outlet of unit with circulating inlet of water tank Installation of water inlet outlet pipes of water tank Safety check valve 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 is needed for the water outlet pipe Installation of blow off pipe at the bottom of water tank 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 73 AIR TO WATER HEAT PUMP INSTALLATION After connection of all waterway pipelines perform leakage test firstly refer to debugging of the unit After that bind up the water pipes water temp sensor and wires with wrap
84. elect sanitary water tank temperature and solar 30 AIR TO WATER HEAT PUMP CONTROL leaving water temperature solar kit is installed 0 Room temperature setting is available when you have selected room temperature as control target Please refer function code 01 heating mode if weather depending mode is activated you can t set the room temperature or outflow water temperature 0 In heating mode there are two Heating operation level high temperature cycle lowtemperature cycle 7 Please refer to In function code 19 3 Adjust desired temperature by pressing button TE imer Temp zat CSI Addresa lock zat d B uo EB URS 5 Set X 2 Note D A Increase 1 C 1 F for each press V 2 L Decrease 1 C or 1 F for each press 4 Press Set putton to save the setting target temperature and return to the main menu The range of the setting temperature Outflow water temperature NO FCU 18 25 default 18 Outflow water temperature FCU 7 25 default 7 high temperature cycle 25 55 default 40 Outflow water temperature low temperature cycle 25 45 default 40 Room temperature cool 18 30 default 20 Room temperature 18 30 default 26 Sanitary water tank temperature 40 80 default 50 31 AIR TO WATER HEAT PUMP CONTROL 3 2 3 7 View temperature Temp view 1
85. emperature view This icon indicates that you are viewing the some temperature value This icon indicates that trouble is occurred Defrosting This icon indicates that the defrost mode is active This icon indicates that you are setting 24 hours timer 24 hours timer is 24 hours timer active 24 hours This icon indicates that you are setting 24 hours decrease timer or 24 decrease timer hours decrease timer is active This icon indicates and flashing that you are setting weekly timer or weekly weekly timer timer is active Holiday This icon indicates and flashing that you are clearing some day in weekly reservation timer Water pump This icon indicates that the indoor water pump is active Outdoor unit This icon indicates that the outdoor unit is active s ns stage This icon indicates that the first stage internal electric heater which is internal electric Mm i located inside the indoor unit is operating The second stage internal electric heater sanitary water This icon indicates that the electric heater located inside sanitary water tank heater tank is operating Thermostat This icon indicates connection with thermostat This icon indicates that the unit is controlled by the central controller and Central controller all the buttons will not effect This icon indicates that auxiliary solar thermal pump is active thermal pump This icon indicates that the second stage internal electric hea
86. et as 17 Half capacity of electric heater will start operating when outdoor air temperature is below 1 and current outflow water temperature or room air temperature is much lower than target outflow water temperature or target room air temperature e Function code 21 Setting maximum water tank temperature heated by heat pump cycle Set the maximum temperature generated by AWHP compressor cycle Example If Value is set as 50T If the target water tank temperature is 60 and when the current water tank temperature is below 50 the water tank is heated by heat pump When current water tank temperature is higher than 50 but lower than target water tank temperature in this case is 60 the water tank is heated by water heater in tank e Function code 22 Setting heating temperature of disinfection operation Set the target temperature of disinfection operation Disinfection operation is special sanitary tank operation mode to kill and to prevent growth of viruses inside the tank Before set this function the value of code 6 should be set as 1 e Function code 23 24 Setting the range of weather dependent operation Weather dependent operation is that the unit automatically adjusts target temperature outflow water or room air according to the outdoor air temperature Value of code 23 Lower limit of the outdoor air temperature Value of code 24 Upper limit of the outdoor air temperature Function code 25
87. etting temperature range of the product For other constrains please refer to previous page where constrains about Remote air temperature sensor Do not connect external electric loads Wire L and N should be used only for operation Electric type thermostat Never connect external electric loads such as valves fan coil units etc If connected PCB of the indoor unit can be seriously damaged Installation of Thermostat is very similar to that of Remote air temperature sensor Thermostat Thermostat is generally used to control the product by air temperature When thermostat is connected to the product the product operation is controlled by the thermostat 101 GREE COMMERCIAL AIR CONDITIONERS AIR TO WATER HEAT PUMP MAINTENANCE AIR TO WATERHEATPUMP MAINTENANCE UNITS MAINTENANCE 1 ERROR CODE LIST Complete Unit Code Code Error Name Source of Error Signal Control Description Indication The plug on Sensor IS not Outdoor environment connected to the socket will be automatically cleared temp sensor error mainboard after the failure is removed The resistance of temperature sensor is not correct The plug sensor is not Defrost temp sensor connected to the socket will be automatically cleared error mainboard after the failure is removed The resistance of temperature sensor is not correct plug on t sensor is not Discharge temp sensor connected to the socket will
88. gt WIS UL 2v FAND COMPRESSOR ka I 2 MOTORCUPPER 2 FAN MOTORCBOT TOM 2 Underpan Electrical Heater Electrical Heater 4 V 4 W A V L V L ELECTRONIC INFLATE VALV HIGH PRESSURE SWITCH IW PRESSURE SWITCH P High Pressure Sensor Suction Temp Sensor 31 Jefrost Temp Sensor 2 3 3 Wiring Diagram Water Tank SXVD200LCJ A K SXVD200LCJ2 A K SXVD300LCJ A K SXVD300LCJ2 A K POWER zm wmm ETN BU YEGN thermostat WP95A R thermostat2 WP85A R RD Hq LE Ly water tank 90 AIR TO WATER HEAT PUMP INSTALLATION SXVD200LCJ A M SXVD200LCJ2 A M SXVD300LCJ A M SXVD300LCJ2 A M Water tank Indoor unit 29 30 31 y Thermostat Thermostat2 BK BN BU _ N BU 47 L BK _ N BU i p WP95A R WP85A R YEGN E 91 INSTALLATION AIR TO WATER HEAT PUMP 2 6l 00 21 y JOOUUOD pue 02 pue 21 pJeoq jeuruuo uo 06 eu uonounj s JI GRS CQ6 0Pd Na K GRS CQ8
89. if code 9 is set as 1 that means priority is sanitary heating Sanitary water is heated by heat pump and electric heater Space heating can not act when sanitary water is heated When sanitary water heating is stopped the heat pump will turn to space heating e Function code 10 Setting status of back up heater indoor unit If code 10 is set as 1 half capacity of back up heater in the indoor unit can be turned into use when the out door temperature is below the set value in code 20 If code 10 is set as 2 full capacity of back up heater in the indoor unit can be turned into use when the out door temperature is below the set value in code 20 Function code 11 Setting start date of disinfection operation Value of function code 11 determines the date when disinfection mode is running 0 stands for Sunday 1 for Monday and 6 for Saturday e Function code 12 Setting start time in 24 hours of disinfection operation Value of function code 12 determines the time when the disinfection mode is running 00 stands for 0 00am 01 for 01 00am 22 22 00 and 23 for 23 00pm e Function code 13 Metal Base pedestal heater If code 13 is set as 0 the Metal Base pedestal heater will never be turned on If code 13 is set as 1 when the compressor started and the out door temperature is below the Metal Base pedestal heater will be turned on when the compressor stopped or the out door temperatur
90. is mode will terminate 3 12 Weather dependent Heating Mode This mode is only available for space heating In weather dependent heating mode the indoor temperature is detected and controlled automatically AIR TO WATER HEAT PUMP PRODUCT 4 PRODUCT DATA 4 1 Product Data at Rated Condition 4 1 1 Outdoor AIR TO WATER HEAT PUMP GRS CQ GRS CQ GRS CQ GRS CQ GRS CO Model 6 0Pd N 8 0Pd Na 10Pd Na 12Pd Na 14Pd Na a K O K O K O K O K O Heating floor heating kW 6 2 12 Capacity id Cooling floor cooling kW 22 90 105 14 Heating floor heating kW 1 5 2 67 3 33 Input Cooling floor cooling kw 1 6 3 68 4 28 Heating floor heating 4 1 4 5 4 20 Heating Fan coil or Cooling for Fan coil kw 4 65 80 10 wer EE kW 1 8 2 90 3 35 3 88 Input j Cooling for Fan coil kW 1 53 3 45 3 93 Cooling for Fan coil 2 6 2 9 2 80 cop an toor 3 0 3 0 3 1 3 40 3 35 Radiator Refrigerant Type 410 R410A R410A R410A R410A Charge g 1700 2000 2000 3300 3300 A C 4080 0 80 40 80 dB A 59 59 mm 127 15 9 15 9 Liquid Piping Connection mm 6 35 9 52 9 52 imeno Outdoor WxDxH mum 921x 921x 921x427 950x412 950x412 unit unpacked 427x791 427x791 x 91 x1253 x1253 AIR TO WATER HEAT PUMP PRODUCT AIR TO WATER HEAT PUMP GRS CQ16P GRS CQ16P Model GRS CQ12P GRS CQ14P d Na M O d Na M O d Na M O d Na K O Heating floor he
91. is not correct The plug The first sanitary water sensor 1 l It will be automatically cleared tank temperature sensor connected to the socket on after the failure is removed error mainboard The resistance of temperature 104 AIR TO WATERHEATPUMP MAINTENANCE sensor is not correct plug on t sensor IS not Gas pipe temperature E connected to the socket will be cleared mainboard after the failure is removed d The resistance of temperature sensor is not correct The plug on sensor is not other thermal outlet connected to the socket will be automatically cleared temperature sensor error mainboard after the failure is removed The resistance of temperature sensor is not correct The plug on sensor is not Remote room connected to the socket will be automatically cleared temperature sensor error mainboard after the failure is removed The resistance of temperature sensor is not correct The switch is damaged It will be cleared after the The wire of the switch is loose junit is turned off Water switch error v l The position of the switch is wrong It wil be cleared once The resistance of temperature malfunction is removed or it Indoor anti frozen sensor is not correct will be shown all the time but protetion The electric expansion will be cleared immediately can not work normally when switching operation mode The
92. l GRS CQ12Pd Na M GRS CQ14Pd Na M GRS CQ16Pd Na M I f O 68 AIR TO WATER HEAT PUMP INSTALLATION Install process of indoor unit Step1 Drilling hole on the wall in the following draw expansion bolt hole Y CO CY OO unit outline __ Step2 Releasing screws detach front cover from the indoor unit 69 AIR TO WATER HEAT PUMP INSTALLATION Step3 Attaching indoor unit to the wall make use of accessory expansion bolt Expansion bolt 55 N ZN N 74 N gt 557575 N KAS A N AN lt N XK OK X A x Ni XX SO SO X LX 2 ES d Va lt E N X X 4 NO 2 SA Ke xxx 5555 5 N A xX X VS WAS 5 NON SO x lt 3 4 x NON OX QNO SY Dv NO NON WX VANS NXX XN X NO Wut RETRO OVA gt X ee xw A XK KOK xD CN N KLX N AN JN lt gt III 24 X QN S N NIS X Ad CAUTION While lifting the i
93. liably 83 AIR TO WATER HEAT PUMP INSTALLATION 2 2 PCB Outline 1 GRS CQ6 0Pd Na K O GRS CQ8 0Pd Na K O GRS CQ10Pd Na K O Ir CHGS CHA CHAS Ll Li Lig i i Tet Silk Screen Specification AC L Live wire input of power supply red N Neutral wire input of power supply white E1 Ground wire yellow green 2 2 blue inductive wire L1 1 PFC brown inductive wire L2 1 PFC yellow inductive wire 11 2 white inductive wire U U phase of compressor V V phase of compressor W W phase of compressor DC fan DC MOTOR oum strong power supply fan GND 4 pin 15V 5 pin control signal 6 feedback signal 4V 4V1 4 way valve HEAT Electric heating tape VA 1 E heater of chassis HPP High pressure switch LPP Low pressure switch OVC COMP Overload protection of compressor 2 1 2 hole pipe temperature 3 4 hole environment 5 6 hole exhaust SENSOR3 1 hole 3 3V 2 hole detection suction temperature sensor CN66 CN67 Communication cable 2 pin B 3pinA Communication cable 1 earthed 2 pin pin 4 pin 12power supply ee It can not be used for communication between outdoor unit and indoor unit Pipe electric expansion valve 1 4 driving impulse output 5 12V H PRESS Signal input of pressure sensor 1 pin GND 2 signal input
94. low 36V s it wet dirty or short circuit Dry and clean it or remove short circuit Restart the unit Does it Is compressor wire loose or is work phase sequence normally wrong s 15V of as mainboard stable 15 pin 1 2 If it is affected by damp find out the reason and take some precautionary measures After drying the mainboard brush it with damp proof gum water 2 If it is polluted find out the reason and protect it from dust If the environment is bad clean the dirt periodically 3 If it is short circuit find out the reason and clean the electric box so as to prevent the conductive matter such as iron chippings adhering on the board t is recorded Fig 3 1 2 Flowchart of diagnosis of IPM protection Is IPM module of mainboard damaged Tighten the compressor wire Replace mainboard or adjust the phase sequence 114 AIR TO WATERHEATPUMP MAINTENANCE 3 1 3 Trip Trip Is leak switch 49 trip open no Does switch no capacity meet the requirements yes Does it trip no upon energization Y Y yes The system is abnormal Mount the electric Leakage current is Check the compressor switch according to large Check the wiring
95. lve should be covered by wet cloth in order to avoid the high temp damage Remove gas valve Loosen the bolts fixing the gas valve welding out the pipe connected to the gas valve See Fig 12 Note When welding the valve should be covered by wet cloth in order to avoid the high temp damage 133 AIR TO WATERHEATPUMP MAINTENANCE Remove liquid valve Loosen the bolts fixing the liquid valve Unsolder the pipe connected to the liquid valve See Fig 13 Note When welding the valve should be covered by wet cloth in order to avoid the high temp damage 9 Remove compressor and gas liquid separator Remove the connection wire of compressor Unsolder the suction pipe discharge pipe Loosen the bolts fixing the compressor and remove the compressor and gas liquid separator See Fig 13 134 AIR TO WATERHEATPUMP MAINTENANCE OutdooUnit GRS CQ12Pd Na K O GRS CQ14Pd Na K O GRS CQ16Pd Na K O GRS CQ12Pd Na M O GRS CQ14Pd Na M O GRS CQ16Pd Na M O 1 Remove the cover front side plate and right side plate Loosen the two tapping screws and remove the cover the front side plate and right side plate Fig 2 135 AIR TO WATERHEATPUMP MAINTENANCE Fig 3 2 Remove the Cabinet Loosen the two tapping screws and remove the Cabinet See Fig 3 136 AIR TO WATERHEATPUMP MAINTENANCE 3 Remove the Rear Grill Loo
96. nd indoor unit N U V W V 1 Pipe electric expansion valve FA 1 4 driving impulse 5 12 Signal input of pressure sensor 1 pin GND 2 pin signal 3 pin 5V H PRESS 85 AIR TO WATER HEAT PUMP INSTALLATION 3 GRS CQ12Pd Na M O GRS CQ44Pd Na M O GRS CQ16Pd Na M O LPF _ LU MM 1 1 k T T LI p crx E s M i i Pu 2 EA 4 St E 1 p F aie j 41 chal i e E 1 k H Ty 22 L3 ul DC MOTOR silk screen L1 DC fan 1 pin strong power supply fan GND 4 15V 5 control signal 6 feedback signal DC fan 1 pin strong power supply fan GND 4 15V 5 control signal 6 feedback signal electric heating tape e heater of chassis high pressure switch low pressure switch T SENSOR2 1 2hole pipe temperature 4hole environment 5 6hole exhaust 1 hole 3 3V 2 hole detection suction temperature sensor communication cable 2 pin 3 pin A communication cable 1 earthed 2 pin 4 pin 12 power supply It can not be used for communication between outdoor unit and indoor unit pipe electric expansion valve 1 4 pin driving impulse output 5
97. ndoor unit at least two persons should be joined Weight of the indoor unit is almost 52kg Precautions on Installation of Indoor Unit gt Indoor unit shall be vertically mounted on the wall of the room with expansion bolt Keep the Indoor unit away from heat sources such as heat sink and so on in the room as much as possible Keep the indoor unit as close as possible to outdoor unit Level distance between connection pipes can not exceed 30m and vertical distance can not exceed 15m 70 AIR TO WATER HEAT PUMP INSTALLATION 1 3 3 Installation of Insulated Water Tank 1 3 3 1 Installation Measure The insulated water tank should be installed and keep levelly within 5m and vertically within 3m from the Indoor unit It can be installed in the room 4 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 Veter tank wth bol ts d Installed the ground and never suspence minimum clearance from the water tank to combustible surface must be 500mm 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 Connection of inle
98. nk J 40 50 C default temperature heated by heat pump cycle 50 C Setting heating temperature of J 40 70 C default disinfection operation 70 Setting lower temperature for J 20 5 C default Weather dependent operation 15 C Setting upper temperature for J 10 20 C default Weather dependent operation 15 C Setting temperature gap from target 21 10 C default temperature of cooling operation 5 C Setting temperature gap from target 2 10 C default temperature of heating operation 5 C Setting temperature gap from target 20 8 C default temperature of sanitary heating operation 3 C 3 2 3 4 Function Set up Description Function code Setting temperature selection The unit can operate according to air temperature or outflow water temperature The air temperature or outflow water temperature can be selected as setting temperature Note Air temperature as setting temperature is ONLY available when Remote Air Sensor Connection is enabled and Function Code 18 is set as 01 Function code 2 Forced operation Forced Operation includes forced cooling and forced heating operation Forced cooling operation should be performed when additional refrigerant charge is required To charge the refrigerant the unit must run in Cool mode Forced cooling should be performed upon the first test run and when out door temperature is lower than 10 Forced heating should be performed upon the first ru
99. nk loop when electric power is supplied to wire OFF and wire 3way valve should select under floor loop when electric power is supplied to wire ON and wire OFF Line signal Water tank heating from PCB to 3way valve Line signal Under floor heating from to 3way valve N Neutral signal from PCB to 3way valve 2 3 9 Gate controller If there is gate control function pull out the leading wire 50 on terminal board 2 between19 and 20 and then connect the Gate controller Installation Guide follow as 20 19 XT2 20 19 Gate controller GREE does not supply this section 50 2 3 10 Remote Air Temperature Sensor Front side Back side 99 AIR TO WATER HEAT PUMP Note INSTALLATION Remote Air Temperature Sensor YES 1 5 Meters NO NO Doors NO N lo 8 Distance between the indoor unit and the remote air temperature senor should be less than 15 meter due to length of the connection cable of remote air temperature sensor when door is open influence may be applied applied Installation Guide follow as Height from floor is approximately 1 5 meter Remote air temperature sensor can not be located where the area may be hidden Remote air temperature sensor can not be located where external thermal Remote air temperature sensor should be in
100. o Electrical 2 IP 10 Crh 11 UNITS CONTROL 12 OPERATION Drnisin ven EE aae 12 ZV EIN 12 Defrosing 12 2 2 Water side Auto Anti freezing in 13 2 3 Control of Heating Tape on 51 enne eene eene nnns 13 pure Hel an RE Dn THEE 13 2 9 GOMUOL Ol COITDEOSSOlL te ubi 13 2 6 Control of Electric Expansion Valve 0 2220 00 2 100000 13 WERE DC QNO pU qc 4 eI SION e RU EP 14 9 2 Iul Ost tA cete dU M eM OMIM M MM MN NNT 14 SES e Om 62 CONTROL WIRING 64 65 LINSTALLATON OF UNITS T 65 ULM MVS LAM oa otio e EE 65 1 2 Matters etie the eaae van eE Eae ee ETNEA 66 1 ial 8 Jaa Ra eet ts ame nee PE Em 66 1 4 Installation Clearance Data enne nnns 75 T 9 GCohbblecton or PIDelllie i 5 2 2 29498321 9262 5 19934809 00002059403 80
101. oliday reservation icon will show Press Set button to enter the interface of selecting day of the holiday reservation The day have been set in weekly reservation will show and it is flashing Press J button to select one day that you want to clear Press Set button to clear the day in weekly reservation Repeat steps 3 to 4 to clear other day in weekly reservation until no day is in weekly Esc reservation the system will automatically return to the main menu Or press 44 AIR TO WATER HEAT PUMP CONTROL button or Return button to return to the main menu 4 View timer Timing Press Timer set in the main menu for 5 seconds to enter timing menu There won t be any response if there is no timing Hour timing ON or OFF indicates relevant icon the numbers indicate at what time the unit will be turned on or off automatically Press Return or Esc menu to exit current timing menu and come back to the main menu F GREE e XX 6 On m i es d _ 7 In timing menu hour timing or count down setting is the priority as default function Press A or Y bottom to shift to weekly timing menu G GREE LAE guum Gn Of r xs necs a E s x N Em view gt Eom Retum Bet 45 AIR TO WATER HEA
102. ostat sg 00654 0 POWER XT 5 Ns 1 YT 8 RT6 Thermostat won 4 1 _ away vm 3 5 i Water tank Auxiliary electric heater XT valvel lt 3 20 RTI AC contactor mal 16 2 5 E om Water tank auxilia C7 3 5 6 2 1200 1191 52 y 5 um 5 i m x lt 5 20K 9 electric heater AC contactor lt 20 4 3 valve2 1 pl 3U 4 015 INED 3 z Ne Client water pump e ebes ae Y S way eok YS AC contactor UA av 1 SSEM g Si e 7 31 yp KMI V Water pump jp co C 4 16 im COK 9 EH Auxiliary electric heater JPE c PE Bk 3 1500 AT 1 2 2 Terminal block _ P 6 RTS 7 Plate heat exchanger Specification He Client water pump 1 water out temp sensor 1 If the gate control function is required AC contactor T Plate heat exchanger pull out the leading wire 50 between LI water in temp sensor terminal 19 and 20 on the terminal block iod let _ Liquid line temp sensor and then install the gate controller E3 A 271 Gas line temp sensor indicating _____ jg 8 M lt 7 __ Auxiliary electric heate
103. pin 12 signal input of pressure sensor H PRESS 1 pin GND 2 pin signal input 5V 86 AIR TO WATER HEAT PUMP INSTALLATION 4 GRS CQ6 0Pd Na K lI GRS CQ8 0Pd Na K I GRS CQ10Pd Na K l GRS CQ12Pd Na K I GRS CQ14Pd Na K I GRS CQ16Pd Na K l GRS CQ12Pd Na M I GRS CQ14Pd Na M I GRS CQ16Pd Na M I RUN HEAT2 L V2 2V1_OFF 3V1_OFF 3V2 OFF 2V2 OFF a PUMPI HEAT3 L ERR ON 2 2 ON 3 2 ON LEDI LED2 LED3 T SENSORI T SENSOR2 T SENSOR3 T SENSOR4 T SENSORS T SENSORG COM MANUAL DOOR C IN SW OVC HEATI ovc HEAT3 TR OUTI TR OQUT2 COM BMS COM OUT OVC HEAT2 Silk Screen Location Specification AC L live wire of power supply N Neutral wire of power supply PUMP1 X13 live wire of indoor water pump PUMP2 live wire of solar water pump RUN running indicator HEAT3 L e heater of water tank HEAT 1 L X17 e heater of indoor unit 1 HEAT2 L X18 e heater of indoor unit 2 ERR error indicator 2V1 OFF Electric magnetic 2 way valve1 is normally closed 2V1 ON Electric magnetic 2 way valve1 is normally open 2V2 OFF Electric magnetic 2 way valve2 is normally closed 2V2 ON Electric magnetic 2 way valve2 is normally open 3V1 OFF Electric magnetic 3 way valve1 is normally closed 3V1 ON X10 Electric magnetic 3 way valve1 is normally open 3 2 OFF Electric magnetic 3 way valve2 is normally closed
104. ping tapes attached with the unit 4 Refer to Installation Sketch of Unit for details Indoor Unit Other Thermal sensor less than 5 meters Water Tank Hot water output E Other Thermal System J Temp Sensor 1 Safety check valve Filter Tap water Jw temp sensor 2 2 Blow off Outlet VM Cut off Valve Power cord of booster heater Joints Dimension Cooling water inlet of water tank 1 2 Female BSP Note Distance between main unit and insulated water tank should not exceed 5m levelly and 3m vertically If higher please contact with us Water tank on lower and main unit on higher side is recommended 2 Prepare the materials according to the above joints dimension If cut off valve is installed outside the room PPR pipe is recommended to avoid freeze damage Waterway pipelines can t be installed until water heater unit is fixed Do not let dust and other sundries enter into pipeline system during installation of connection pipes After connection of all waterway pipelines 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 Hot water supplied from insulated water tank depends on pressure of water tap
105. prevent growth of viruses inside the tank e Function code 7 Holiday mode If code 7 is set as 1 the system will automatically turn to space heating and other mode will automatically be turned OFF But at the same time if the unit running in emergency model The system will not turn to holiday model In the holiday mode the outflow water temperature or remote room air temperature can not be set In holiday mode the icon will flash e Function code 8 Setting priority when cooling demand and sanitary heating demand are required at the same time 24 AIR TO WATER HEAT PUMP CONTROL If code 8 is set as O that means priority is cooling operation The heat pump will always in space cooling include floor cooling mode In this case sanitary water is only heated by electric heater On the other hand If code 8 is set as 1 that means priority is sanitary heating The sanitary water is heated by heat pump and electric heater In that case space cooling can not act when sanitary water is heated When sanitary water heating is stopped the heat pump will turn to space cooling e Function code 9 Setting priority when heating demand and sanitary heating demand are required at the same time If code 9 is set as O that means priority is heating operation The heat pump will always in space heating include floor heating mode In that case sanitary water is only heated by electric heater On the other hand
106. r 2 201 19 5 19 a M RTD water out temp sensor IB B M Mm 214 Water tank temp sensor 2 Hn 8 MET x m 9 0 2 577 Water tank temp sensor B D ag Other thermal 0L fa 57 RIB 124 2i 2 water out temp sensor EH gt 38 Jm 019 Remote Air temp sensor HEAT ag 27 52 p gt AP Main board only for RT9 2 The wires in broken line should be E 6 N 2 IC Transformer connected by the client E vy 3 Power supply for thermostat If it is 230V AC please connect the 42 we owt E thermostat to the terminal block xt3 m 9 21 22 23 241 it is 24V AC please OUTDOOR gt 4 D PC connect the termostat to the terminal UNIT AP1 i T Long distance block xt3 25 26 27 28 E Monitor 63622817 88 AIR TO WATER HEAT PUMP 2 3 2 Wiring Diagram Outdoor Unit GRS CQ6 0Pd Na K O GRS CQ8 0Pd Na K O GRS CQ10Pd Na K O INSTALLATION CUMMUNICA TIUN f j j 0 Communication PRESS EE MOTOR DC DAL ry i M NIS V 1 pum V TV
107. rigerant Before shipped out from manufacturer the outdoor unit has been filled with refrigerant Additional refrigerant may be filled when carrying out site connection of pipelines Check the liquid valve and the gas valve of the outdoor unit The valves shall be completely shut off Connect a vacuum pump to the liquid valve and the gas valve of the outdoor unit to remove air from the inside of the indoor unit and the connecting pipe Refer to the following figure Pressure meter Pressure meter T n knob HI knob Liquid valve 8 oo Vacuum pump Connection pipe valve Fig 22 After confirming that there is no leakage from the system when the compressor is not in operation charge additional R410A working fluid with specified amount to the unit through the filling opening of the liquid pipe valve of the outdoor unit Besure to charge the specified amount of refrigerant in liquid state to the liquid piper Since this refrigerant is a mixed refrigerant adding it in gas form may cause the refrigerant composition to change preventing normal operation gt Before charging check whether the refrigerant cylinder is equipped with a siphon tube or rs No siphon tube LL 1 5 Connection of Pipeline With siphon tube 1 Connection of Outlet Pipe for Indoor amp Outdoor Unit Align the expansion end of copper pipe with the center of threaded joint Tighten the flaring
108. rned on with air function or sanitary water function 111111 Silent mm f GREE press button and the silent mode will operate The silent mode Silent icon 00 show Press button again the silent mode will 5 i duh 5 RET Temp wiew am d 5 wy If there is error and the compressor have stopped for over 3 minutes press 5 button or LJ button for 5 seconds to enter urgent sanitary heating mode or wy urgent heating model The icon or will flash Press button or 5 button for 5 seconds again to exit urgent sanitary heating mode or urgent heating mode Note With malfunction of internal electric heater malfunction of water switch or malfunction of backup outlet temperature sensor the urgent heating mode is not available AIR TO WATER HEAT PUMP CONTROL 2 With malfunction of sanitary water tank electric heater malfunction of the first sanitary water tank temperature sensor the urgent sanitary heating model is not available 3 2 3 3 Parameter Setting Function 1 Press button to enter user function setting menu Icon will show y f GREE Orn OF 102 8 nck mm dii CB um Function Value Function Code C V 2 Press LJ button to select the function code that you want to set
109. sen the two tapping screws and remove the Rear Grill See Fig 5 4 Remove the Electric Box Assy Loosen the two tapping screws and remove the electric box assy See Fig 8 137 AIR TO WATERHEATPUMP MAINTENANCE 6 Remove the axial fan Loosen the ball nuts and remove the axial fan See Fig 9 138 AIR TO WATERHEATPUMP MAINTENANCE 7 Remove the motor Loosen the screws fixing the motor support Remove the motor support Loosen the wire of motor and it through the hole Remove the motor See Fig 10 8 Remove the 4 way valve Remove the 4 way valve Loosen the screws fixing the of 4 way valve Remove the coil of 4 way valve Unsolder the tubes connected to the 4 way valve Remove the 4 way valve See Fig 11 Note When welding the valve should be covered by wet cloth in order to avoid the high temp damage 139 AIR TO WATERHEATPUMP MAINTENANCE Remove gas valve Loosen the bolts fixing the gas valve welding out the pipe connected to the gas valve See Fig 12 Note When welding the valve should be covered by wet cloth in order to avoid the high temp hurt Remove liquid valve Loosen the bolts fixing the liquid valve welding out the pipe connected to the liquid valve See Fig 12 Note When welding the valve should be covered by wet cloth in order to avoid the v TUE
110. ss it is deenergized and reenergized 4 IPM protection of driving The protection against IPM abnormality is detected after the IPM works for 10s If the protection occurs for 6 times within one hour it can not be resumed unless it is deenergized and reenergized 5 Overcurrent protection of compressor The protection occurs when the instantaneous current is detected over 45A If the protection occurs for 6 times within one hour it can not be resumed unless it is deenergized and reenergized 60 Superheat protection of IPM driving The protection occurs when the internal temperature of IPM is detected higher than 105 degree If the protection occurs for 6 times within one hour it can not be resumed unless it is deenergized and reenergized 7 Abnormal sensor of radiating fin The protection occurs when break circuit or short circuit of the temperature sensor on top of the IPM module If the protection occurs for 6 times within one hour it can not be resumed unless it is deenergized and reenergized 8 Communication error of conversion driver and main controller the driving can not communicate with the main controller normally This error can be resumed automatically 112 AIR TO WATERHEATPUMP MAINTENANCE 3 1 Diagnosis Flowchart of Driving of Single phase Unit 3 1 1 Abnormality E5 is displayed on the wired controller Monitoring Nixie tube of display mainboard PFC abnormal 15 displayed
111. st stopping hour Press Set button to save the adjustment and set stopping minute 50 AIR TO WATER HEAT PUMP CONTROL G GREE On Off 4 Press and V button to adjust stopping minute Press Set button to save the adjustment and return to main interface Then the timing silent function is set successfully 51 AIR TO WATER HEAT PUMP CONTROL i GREE Hid 200 Address Funclicn DincH ss man m 1 Qn 5 During operation press Return or Esc button to save the adjustment and return to main interface But the timing silent function is not set successfully 3 2 3 12 Timing Temperature e When the wired controller shows the main interface press Timer set amp Temp set for 5 seconds to enter timing temperature setting interface 52 AIR TO WATER HEAT PUMP CONTROL GREE Steps for setting timing temperature Step 1 Select timing temperature mode Selection of timing temperature mode the last timing temperature mode is defaulted Heat mode is defaulted upon first energization Press and button to select timer mode including heating and cooling Press Set button to save the selection Then timing temperature function is set successfully mms 1 Bet 53 AIR TO WATER HEAT PUMP CONTRO
112. stalled where space heating is mainly It E m Remote Air Environment Temp sensor 519 Electric box 100 AIR TO WATER HEAT PUMP INSTALLATION Thermostat 21 22 23 24 25 26 27 28 Cool Heat N L Cool Heat N L 230V 24V OUT lE POS TO Fig 1 21 22 23 24 25 26 27 28 Heat N L Heat N L 230V 24V C iD mo Fig 2 L Live signal from PCB to thermostat N Neutral signal from PCB to thermostat How to Wire Thermostat Uncover the front cover of the indoor unit and open the control box Identify the power specification of the thermostat if it is 230V find terminal block as NO 21 24 Otherwise if it is 24V find terminal blockXT3 as NO 25 28 If itis Heating Cooling thermostat please connect wire as Fig 1 If itis Heating only thermostat please connect wire as Fig 2 A CAUTION 1 NEVER USE 230V AC and 24V AC Thermostat at the same time otherwise it will cause short circuit and power cut off by circuit breaker setting temperature by Thermostat heating or cooling should be chosen within the s
113. t 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 unsintered 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 Safety check val ve EC lt wat er 71 AIR TO WATER HEAT PUMP INSTALLATION Note For safe use of water water outlet inlet of water tank must connect with a certain length of PPR pipe L gt 70 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 is on Outline dimension and parameter of water tank LRL A A 3 2 AIR TO WATER HEAT PUMP INSTALLATION SXVD200LCJ A K SXVD200LCJ2 A K SXVD300LCJ A K SXVD300LCJ2 A K SXVD200LCJ A M SXVD200LCJ2 A M SXVD300LCJ A M SXVD300LCJ2 A M Lire 200L 200L 300L coil Pra SUS304 22 0 8 speci fi cati on DiameterxH 540 1595 620X1620 mm Net Se ee Gross 6 9 o Connection of Waterway System f connection between water tank and indoor unit should be through the wall drill a holeq70 for pass of circulating water pipe It is unnecessary if the hole is not ne
114. tch is broken or the wiring is loose will be cleared if the Comp Low pressure d The system has leaked malfunction is removed after rotection The fans stop running unit has been turned off reverse The resistance of temperature sensor is not correct The electric expansion valve is lt will be cleared if the Comp Discharge temp E4 blocked discharge temp is lower than protection The system has leaked 92 C Mainboard of outdoor unit is damaged De energize the unit and then Indoor capacity switch energize it again the error malfunction is removed the code will be cleared The communication line of the unit is not connected The communication line is not Communication The communication line of thejlt will be cleared once malfunction between E6 unit is not connected correctly communication recovers or it outdoor and indoor ends oflwill be shown all the time mainboard communication line are not mounted with magnetic ring he outdoor unit is not electrically powered communication line of the E unit is not connected Communication The communication line is will be cleared once malfunction between through communication recovers or it outdoor mainboard and The communication line of be shown all the time wired controller unit is not connected correctly The two ends of 103 AIR TO WATERHEATPUMP M
115. ted is as follows During installation if the volume of water system has changed please check if the pre set pressure of the expansion vessel needs to be adjusted according to the following formula P 10 0 3 Bar the difference between installing location of indoor unit and the highest spot of water system Ensure that the volume of water system is lower than the maximum volume required in the above figure If it exceeds the range the expansion vessel does not meet the installing requirement Water volume Installation height difference 280L 280L Note Adjustment is not necessary 1 Pre set pressure needs to be adjusted according to the above formula 2 Check if the water volume is lower than the maximum water volume with help of the above figure 1 Pre set pressure needs to be adjusted according to the above formula 2 Check if the water volume is lower than the maximum water volume with help of the above figure The expansion vessel is too small and adjustment is not available Installation height difference the difference between installing location of indoor unit and the highest spot of water system if the indoor unit is located at the highest point of the installation the installation height difference is considered Om The minimum volume of the water system is 20 L Example 1 The indoor unit is installed 5m below the outdoor unit and th
116. ter heating OFF and then hold down ESC and Return buttons at the same time for 10 seconds into test mode 2 In test mode except A 5 Esc and Return buttons all buttons are shielded 3 In test mode Press Aor V button to select the type of test mode There are 2 types in total for selection If the minute display area of CLOCK is 01 it means test mode 1 cooling operation If the minute display area of CLOCK is 02 it means test mode 2 heating operation The compressor s frequency during the operation will be adjusted according to the difference between the actual leaving water temperature and target set temperature so test mode is mainly for nominal performance testing 3 3Installation 1 Open front panel of indoor unit and release the clasp of wired controller as shown in Fig 1 62 AIR TO WATER HEAT PUMP 2 Manually remove the LCD of wired controller with caution Disassembly from top Disassembly from bottom CONTROL 63 AIR TO WATER HEAT PUMP 4 CONTROL WIRING DESIGN Indoor Unit Eletric box AP CN5E CONTROL Disassembly from left side Disassembly from right sid Diplay board N CN66 Outdoor Unit chy Main board Eletric box Main board CN7 gt Installation Instruction Long distance Minitor PC
117. ter which is located inside the indoor unit is operating gg oem 16 AIR TO WATER HEAT PUMP CONTROL E 3 2 3 Operation Instruction 3 2 3 1 Operation and Stop of the Unit Xx db Without thermostat press button Heat or Cool mode will operate Heat mode icon Ee or Cool mode icon 5 Will Xx db display Press owot button again to exit Heat or Cool mode wy If there is water tank press button eS t the sanitary heating mode will act The sanitary heating mode icon will show wy j Temp zat E Press C button again to exit sanitary m es m aN S m ORE heating mode 3 2 3 2 Mode Switch 1 Press button to turn the Air conditioning mode Xx 88 Temp sef 2 Press repeatedly LJ button to 2 um mS select Heat mode ca AIR TO WATER HEAT PUMP CONTROL 3 Ifthe air function is on and the modeis wE Quum f GREE On Of heating mode press LJ button and the weather depending mode will act weather depending mode ES i Temp sef will show Press ___ dii mm Eg button again weather depending di di mmm iid C mode will stop amp sat If the unit is tu
118. tflow water temperature can not be below 16 If code 17 is set as 1 there is FCU FAN UNIT equipped in the water system In this case 2 way value should be installed and connected to the indoor PCB Otherwise the unit will operate abnormally Function code 18 Remote air temperature sensor If code 18 is set as 0 the remote air temperature sensor is not equipped The unit can only be operated according outflow water temperature The value of code 1 is can not be set as 1 otherwise the unit can not operate If code 18 is set as 1 the remote air temperature sensor is equipped The unit can operate according the set value of the code 1 Function code 19 Heating operation level If code 19 is set as O in space heating the unit will be operated by high temperature cycle The setting value of outflow water temperature ranges from 26 AIR TO WATER HEAT PUMP CONTROL 250 to 55 The high temperature cycle suitable for FCU or radiator is equipped in the water loop If code 19 is set as 1 in space heating the unit will be operated by low temperature cycle The setting value of outflow water temperature ranges from 25 to 45 low temperature cycle suitable for under floor coil is equipped in the water loop Function code 20 Setting startup temperature of back up heater indoor unit Set the outdoor air temperature when half capacity of electric heater starts operating Example If Value is s
119. th the water in the water tank so that the temperature of water tank increases to the required rangel 3 4 Cooling Water Heating When cooling mode exists together with the water heating mode the user can set the priority of these two modes based on the needs The default priority is heat pump That is under the default setting if cooling mode exists together with the water heating mode AIR TO WATER HEAT PUMP PRODUCT the heat pump gives priority to cooling In that case water heating can only realized with e heater of the water tank Inversely the heat pump gives priority to water heating and switches to cooling after finishing water heating 3 5 Heating Water Heating When heating mode exists together with the water heating mode the user can set the priority of these two modes based on the needs The default priority is heat pump That is under the default setting if heating mode exists together with the water heating mode the heat pump gives priority to heating In that case water heating can only realized with e heater of the water tank Inversely the heat pump gives priority to water heating and switches to heating after finishing water heating 3 6 Emergency Mode Emergency mode this mode is only available for heating and water heating When the outdoor unit stops due to malfunction it will enter the corresponding emergency mode as to heating mode after entering the emergency mode heating can only be realized through
120. that each ring of tape shall press half of the previous ring 3 Fix the wrapped pipe onto the wall with pipe clamp 4 Do not wrap the protective tape too tightly as this will decrease the heat insulation performance 5 After completing the protection work and wrapping the pipe properly close the wall holes with sealing materials clearance 81 AIR TO WATER HEAT PUMP INSTALLATION Indoor unit d Outdoor unit A TIENE Hm I i M E y Outdoor unit no Outdoor unit umm n z Indoor unit Y Pine si pe Size Length B Elevation A Additional Diameter P refrigerant 75m 82 AIR TO WATER HEAT PUMP INSTALLATION Note 0 No additional charge of the refrigerant is need when the pipe length is less than 10 m the standard pipe length is 7 5m f th
121. the mainboard of the unit 7 Communication Malfunction E6 Communication Malfunction E6 Check if the communication line of the unit 15 connected yes Measure if the Communication line 1s through yes Check if the communication line no no no MAINTENANCE no Check the orientation of plug and socket no Replace the temperature sensor Check the orientation of plug and socket Replace the communication line Check the orientation of the unit is connected correctly yes Check if the outdoor unit no of plug and socket Please supply power is electrically powered to the outdoor unit 111 AIR TO WATERHEATPUMP MAINTENANCE 3 DIAGNOSIS OF DRIVING 1 Overvoltage of direct current bus It is detected that the voltage of direct current bus is over 420V after energization If the protection occurs for 6 times within one hour it can not be resumed unless it is deenergized and reenergized 21 Under voltage of direct current bus It is detected that the voltage of direct current bus is lower than 200V after startup of the unit If the protection occurs for 6 times within one hour it can not be resumed unless it is deenergized and reenergized 30 PFC abnormality The protection against PFC abnormality is detected after the PFC works for 10s If the protection occurs for 6 times within one hour it can not be resumed unle
122. tion pipes are easy to go outdoors Do not install at a place where flammable or explosive goods exist or flammable or explosive gas might leak Do not install at a place subject to corrosive gas severe dust salty fog smoke or heavy moisture Air flow at inlet and outlet air is not blocked Note The water pressure gage is installed in returning water line in the indoor unit Please adjust the hydraulics system pressure according to next item If the pressure is less than 0 5 bar please recharge the water immediately when recharging the hydraulics system pressure should be not more than 2 5Bar 1 1 3 Installation Positions of Water Tank 4 The insulated water tank should be installed and keep levelly within 5 and vertically within 3m from the Indoor unit It can be installed in the room 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 65 AIR TO WATER HEAT PUMP INSTALLATION 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 The minimum clearance from the water tank to combustible surface must be 500mm 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 Connection of inlet outlet
123. ture Water heating 20 45 AIR TO WATER HEAT PUMP PRODUCT 4 3 Electrical Data o Minimum Minimum Leakage Sectional Area of ee Sectional Area of witc ower Su Earth Wire Wire Power Supply GRS CQI2Pd Na K I 220 240V Ph 50Hz GRS CQ6 0Pd Na K O GRS CQ8 0Pd Na K O GRS CQ14Pd Na M 1 380 415 V 3Ph 50Hz GRS CQ16Pd Na M O GRS CQ10Pd Na K O Note Power cables are copper core cable and copper connectors must be used for power cable connection Leakage Switch is necessary for additional installation If circuit breakers with leakage protection are in use action response time must be less than 0 1 second leakage circuit must be 30mA The above selected power cable diameters are determined based on assumption of distance from the distribution cabinet to the unit less than 75m If cables are laid out in a distance of 75m to 150m diameter of power cable must be increased to a further grade Indoor outdoor supply cable should be HOSRN F or above The power supply must be of rated voltage of the unit and special electrical line for air conditioning All electrical installation shall be carried out by professional technicians in accordance with the local laws and regulations Ensure safe grounding and the grounding wire shall be connected with the special grounding equipment of the building and must be installed by professional technicians 10 AIR TO WATER HEAT PUMP P
124. tween L L2 L3 N with a universal meter If so the main board should be replaced The operation steps are as follows Step 1 check if the filter plate is burnt Step 2 check if the bridge is damaged Step 3 check if other load or grounding 1s shortcut If the grounding of the IPM or the compressor is shortcut For the former one the main board should be replace for the latter one record and report it v Record and report the actual condition Fig 3 2 3 Flowchart of diagnosis of Tripping 123 AIR TO WATERHEATPUMP 3 2 4 DC Bus Low Voltage Protection 5 1s displayed on the wired controller MAINTENANCE Main Board 88 Monitor Display DC Bus Low Voltage Protection Indicating Lamp If the input voltage is lower than 320 V If the reactor 1s tightened If the malfunction is eliminated after the If power supply voltage is too low please cut off the power otherwise the unit would be damaged Yes reactor is tightened securely If the input terminals L1 L2 L3 are connected Replace the main board Record and report the actual conditon properly v If the malfunction 18 eliminated after the terminals L1 L2 L3 are connected properly Yes Fig 3 2 4 Flowchart of diagnosis of DC Bus Low Voltage Protection 124 AIR TO WATERHEATPUMP 3 2 5
125. vation icon or 24 hour decrease reservation icon will flashing TS 42 AIR TO WATER HEAT PUMP CONTROL 2 Set weekly reservation 1 10 11 Timer set Press repeatedly button to select weekly reservation The weekly reservation icon will display The default operation model will flash C Press __ button to select the operation mode of the weekly reservation heating NE cooling sog sanitary heating heating MM sanitary heating soo cooling model sanitary heating INI Press Set button to save the operation mode of the weekly reservation and the system will automatically enter setting target temperature mode of the weekly reservation The value that you want to set is flashing Press L J button to adjust target temperature of the weekly reservation Press Set button to save the target temperature of the weekly reservation and the system will automatically enter selecting day of the weekly reservation The day selected is flashing Press __ button to select one day of the weekly reservation Press Set putton to save the day of the weekly reservation and the system will automatically enter the interface of adjusting hour of startup time in the first action of this day Press button to adjust hour of startup time the first action of this day Press Set button to save the hour of startup time in the first action of this day The system will automatically enter the interfa
126. 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 unsintered 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 1 2 Matters Need Attention d The installation of unit must be in accordance with national and local safety codes Installation quality will directly affect the normal use of air conditioner unit The user is prohibited from installation by himself Please contact your dealer after buying this machine Professional installation workers will provide installation and test services according to installation manual Do not connect to power until all installation work is completed 1 3 Dimension Data 1 3 1 Outdoor GRS CQ6 0Pd Na K O GRS CQ8 0Pd Na k O GRS CQ10Pd Na K OY
127. wer cords are connected properly Check if the connection of the power cords of the indoor and outdoor units are in good condition Check if both the indoor and outdoor units are powered on Yes Yes Check if the connection ed See if the error is of the communication No Yes eliminated after the line between the indoor communication line is and outdoor units are in connected properly good condition Yes See 1f the error 1s eliminated after the main board of the indoor unit is replaced See 1f the error is eliminated after the main board of the outdoor unit is replaced Yes Record and report the actual condition Fig 3 2 7 Flowchart of diagnosis of Communication Error between the Indoor and Outdoor Units 127 AIR TO WATERHEATPUMP MAINTENANCE 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Disassembly and assembly of external casing Remark Please first cut off the power and discharge the Freon out of the unit Operation Procedure OutdooUnit GRS CQ6 0Pd Na K O GRS CQ8 0Pd Na k O GRS CQ10Pd Na K O Migs il Li uu i sai 1 Remove the cover front side plate and right side plate Loosen the tapping screws and remove the cover the front side plate and right side plate Fig 2 ILE Has ean rmm 1 ds On 771 Arni
128. xial Flow Fan 10338731 15704115 19 20 21 22 23 24 25 26 ___ MagneticRing 490000 27 28 29 31 Electric Box Cover 01424235 1 32 01255013P Magnetic Ring 49010109 1 33 Condenser support sub assy 01894119 Sensor High pressure 322101032 1 35 Condenser Assy 01122820 37 Rear Grill 01475432 Temperature Sensor 3900028002 Temperature Sensor 3900028002 BEEN 1 2 Pressure Protect Switch 46020006 41 Magnet Coil 4300040031 1 1 1 1 1 1 1 1 1 1 43 4 way Valve Sub Assy 04142823 4 way Valve 4300338 1 Nozzle for Adding Freon 06120012 46 Temperature Sensor 3900805401 1 _ 2 51 Cut off Valve 071302391 1 52 Drainage Connecter 06123401 ____53 Drainage Plug 06813401 152 AIR TO WATER HEAT PUMP MAINTENANCE 5 2 Indoor Exploded View and Part List Exploded View of GRS CQ6 0Pd Na K l 27 28 2 ES gt K b 2 FE E BE E s T t st E ptos aj 1 130 gt 2 Bee A E Ll os 4 i 2 _ gt IE sed Ii ue Parts List of GRS CQ6 0Pd Na K l We Nameatpen Qum mem Chassis Sub assy 01192819 Water Flow switch Sub Assy 45028062 153 AIR TO WATERHEATPUMP MAINTENANCE

Air-to-Water Heat Pump Service Manual (T1/R410A/50Hz)

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