Gree Versati II Series Service Manual
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Gree Versati II Series Service Manual

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AIR TO WATER HEAT PUMP SERVICE MANUAL
II
Versati
T1/R410A/50Hz
(GC201308- )

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  • Page 1 AIR TO WATER HEAT PUMP SERVICE MANUAL Versati T1/R410A/50Hz (GC201308- )
  • Page 2 CONTENTS PRODUCT ������������������������������������������������������������������������������������������������������ 2 1 MODELS LIST ������������������������������������������������������������������������������������������������������������ 2 1�1 Main Unit ���������������������������������������������������������������������������������������������������������������������������������������� 2 1�2 Water Tank ������������������������������������������������������������������������������������������������������������������������������������� 2 2 NOMENCLATURE ������������������������������������������������������������������������������������������������������� 2 2�1 Main Unit ���������������������������������������������������������������������������������������������������������������������������������������� 2 2�2 Water Tank ������������������������������������������������������������������������������������������������������������������������������������� 3 3 FUNCTION ����������������������������������������������������������������������������������������������������������������� 3 3�1 Cooling ������������������������������������������������������������������������������������������������������������������������������������������ 3 3�2 Heating ������������������������������������������������������������������������������������������������������������������������������������������...
  • Page 3 1�1 Installation Positions ������������������������������������������������������������������������������������������������������������������ 35 1�2 Matters Need Attention ��������������������������������������������������������������������������������������������������������������� 35 1�3 Dimension Data and Installation Guide ������������������������������������������������������������������������������������ 36 1�4 Installation Clearance Data �������������������������������������������������������������������������������������������������������� 42 1�5 The method of calculating the charging pressure of expansion vessel needed to be adjusted is as follows� ���������������������������������������������������������������������������������������������������������������������� 43 1�6 Connection of Pipeline ��������������������������������������������������������������������������������������������������������������...
  • Page 4 Air to Water Heat Pump Service Manual- Versati II Series PRODUCT PRODUCT...
  • Page 5 Air to Water Heat Pump Service Manual- Versati II Series PRODUCT 1 MODELS LIST 1�1 Main Unit Nominal Power Model Appearance Capacity Supply Refrigerant Model Name Product Code V,Ph,Hz Outdoor Unit Indoor Unit GRS-CQ12Pd/ ER010N1130 GRS-CQ12Pd/ NaB-K(I) 12.5 GRS-CQ12Pd/ NaB-K...
  • Page 6 Air to Water Heat Pump Service Manual- Versati II Series 2�2 Water Tank Description Options Tank Used in Heat Pump Heat Pump Water Tank for GMV Units Electric Heater Volume of Tank Stand Pressure-Resistant Static Heating with Dual Coiled Pipe J=Static Heating with single Coiled Pipe ;...
  • Page 7 Air to Water Heat Pump Service Manual- Versati II Series 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.

  • Page 8: Product Data

    Air to Water Heat Pump Service Manual- Versati II Series 4 PRODUCT DATA 4�1 Product Data at Rated Condition Due to continues improvement on the products, the specifications listed above are subject to change without notice, and the ones on the products nameplate should be referred to as final.
  • Page 9 Air to Water Heat Pump Service Manual- Versati II Series 4.1.2 Indoor Unit Model GRS-CQ12Pd/NaB-K(I) GRS-CQ14Pd/NaB-KI) GRS-CQ16Pd/NaB-K(I) Product Code ER010N1130 ER010N1140 ER010N1150 Power Supply V/Ph/Hz 1/220-240/50 1/220-240/50 1/220-240/50 Norminal input 6200 6200 6200 Cooling* 7~25 7~25 7~25 Leaving Cooling* 18~25...
  • Page 10 Air to Water Heat Pump Service Manual- Versati II Series 4.1.3 Water Tank (optional) Models SXVD200LCJ/A-K SXVD200LCJ2/A-K SXVD300LCJ/A-K SXVD300LCJ2/A-K Product Code ER20000160 ER20000170 ER20000180 ER20000190 Models SXVD200LCJ/A-M SXVD200LCJ2/A-M SXVD300LCJ/A-M SXVD300LCJ2/A-M Product Code ER20000240 ER20000260 ER20000250 ER20000270 Models SXVD200LCJ/A-H SXVD200LCJ2/A-H SXVD300LCJ/A-H...
  • Page 11 Air to Water Heat Pump Service Manual- Versati II Series 4�3 Electrical Data Minimum Sectional Minimum Sectional Area Power Supply Leakage Switch Area of Earth Wire of Power Supply Wire Model V,Ph,Hz GRS-CQ12Pd/NaB-K(I) 3×10 GRS-CQ14Pd/NaB-K(I) 3×10 GRS-CQ16Pd/NaB-K(I) 3×10 220-240V,~,50Hz GRS-CQ12Pd/NaB-K(O) 3×4...

  • Page 12: Piping Diagram

    Air to Water Heat Pump Service Manual- Versati II Series 5 PIPING DIAGRAM OUTDOOR UINT INDOOR UINT 1 compressor 19 expansion tank 10 electric heater 2 four-way valve 20 safety valve 11 flow switch 3 finned coil exchanger 12 3-way valve...
  • Page 13 Air to Water Heat Pump Service Manual- Versati II Series CONTROL CONTROL...
  • Page 14 Air to Water Heat Pump Service Manual- Versati II Series UNITS CONTROL 1 OPERATION FLOWCHART Power Switch ON Operation Mode Judgment Water Cooling Heating Heating 3-Way Valve and 3-Way Valve and 3-Way Valve and 2-Way Valve 2-Way Valve 2-Way Valve...
  • Page 15 Air to Water Heat Pump Service Manual- Versati II Series 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...
  • Page 16 Air to Water Heat Pump Service Manual- Versati II Series 3 WIRED CONTROLLER 3�1 Dimension 164.4 129.4 17.5 3�2 Function 3.2.1 External View (This effect drawing is just for reference) CONTROL...
  • Page 17 Air to Water Heat Pump Service Manual- Versati II Series No� Symbol Description No� Symbol Description Running indicating LED ON/OFFF Power indicating LED Cancel/Return key Error indicating LED OK key Left key Function key no. 4 Up key Function key no. 3 Menu key Function key no.
  • Page 18 Air to Water Heat Pump Service Manual- Versati II Series Note: it includes the “Sanitize mode”, “Quiet” mode, “Auto” mode, “Floor debug” mode, “Emergen�mode”, “Holiday mode”, “Forced Cooling” mode, “Forced Heating” mode, and “Debug” mode. 3.2.3 Keys No� Item Functional Description ON/OFF key It is intended to turn on or off the unit.
  • Page 19 Air to Water Heat Pump Service Manual- Versati II Series 2) At the FUNCTION page, by the Right/Left key, the desired function option can be selected, and by the Up/Down key, the setting of the current function option can be modified. The function key no. 3 or no. 4 can be used for switch pages.
  • Page 20 Air to Water Heat Pump Service Manual- Versati II Series Solar heater Solar heater With/Without Without With/Without Without When it is set to “Without”, the “Control Remote sensor Remote sensor With/Without Without state” will be automatically changed to “T-water out”.
  • Page 21 Air to Water Heat Pump Service Manual- Versati II Series [Notes] “Hot water” will take precedence only when “Water tank” is available, other it will tell “Reserved”. ① This setting will be memorized upon power failure. ② 3�3�2�7 Quiet Mode Go to the FUNCTION page and locate “Quiet mode”, then, configure it through the Up/Down key, “On”...
  • Page 22 Air to Water Heat Pump Service Manual- Versati II Series 3�3�2�11 Sanitize 1) At the FUNCTION page, locate “Sanitize”, and then access to the SANITIZE setting page by pressing the OK key. 2) At the SANITIZE setting page, select “Set clock”, “Set week” or “Set temp” through the Left/Right key and then modify the corresponding setting through the Up/Down key.
  • Page 23 Air to Water Heat Pump Service Manual- Versati II Series “Start time” and “End time” for each period, as shown in the figure below. 4) When above settings are finished, pressing the Return key and then pressing “Save”, a pop-up window will pop up to remind if you are determined to save these settings.
  • Page 24 Air to Water Heat Pump Service Manual- Versati II Series “×”: it indicates even if the Week Timer is activated, the timer on this day is ineffective. “Holiday”: it indicates when the Week Timer is activated but “Holiday” is not activated, then the timer on this day is effective;...
  • Page 25 Air to Water Heat Pump Service Manual- Versati II Series [Notes] When “Weekly timer” and “Clock timer” settings are performed at the same time, the latter takes ① precedence. When the water tank is available, the allowed running modes include “Heat”, “Cool”, “Heat+ hot water”, ②...
  • Page 26 Air to Water Heat Pump Service Manual- Versati II Series Full Name Displayed Name Range Default Set Mode Mode Cool/Heat Heat Period 1 running time Period 1 00:00-23:59 08:30 Water out temperature for cooling / WT-heat 1/ Refer to the temperature...
  • Page 27 Air to Water Heat Pump Service Manual- Versati II Series allowed to be activated, or a dialog box will pop up, warning “Please disable the Floor Debug Mode!”. Upon power failure, this function will be OFF and runtime will be cleared.
  • Page 28 Air to Water Heat Pump Service Manual- Versati II Series [Notes] When “Floor debug” or “Emergen� Mode” is activated, then the control will not receive signals from the ① thermostat. If “Thermostat” is set to “On”, the control will automatically disable some functions concerning timer, and ②...
  • Page 29 Air to Water Heat Pump Service Manual- Versati II Series 3�3�2�28 Address Go to the FUNCTION page and locate “Address”, then, configure it through the Up/Down key to set the address. [Notes] It indicates the address of the control and is intended for the group control.
  • Page 30 Air to Water Heat Pump Service Manual- Versati II Series Displayed No� Full Name Range( Range( Default ℃ ℉ Name Water out temperature 7~25 [With FCU] 45~77 [With FCU] [With FCU] ℃ ℉ ℃ ℉ WOT-Cool for cooling 18~25 [Without FCU]...
  • Page 31 Air to Water Heat Pump Service Manual- Versati II Series 3�3�4 View ★ 1 At the homepage, by pressing the Function key no.3 it is able to go to the VIEW page as shown in the figure below. 3�3�4�1 Status View 1 At the VIEW page, select “Status”...
  • Page 32 Air to Water Heat Pump Service Manual- Versati II Series Circulating two-way valve 2 running state CTW-valve 2 On/Off Doorguard Doorguard Card in/Card out Opration LED Opration LED On/Off Error LED Error LED On/Off 3-way valve running state 4-way valve...
  • Page 33 Air to Water Heat Pump Service Manual- Versati II Series 3�3�4�3 Error View 1) At the VIEW page, select Error and then press the OK key to go to the ERROR page. 2) At the Error View page, it is able to view each error.
  • Page 34 Air to Water Heat Pump Service Manual- Versati II Series Welding protection of the water tank heater Auxi. -WTH Under-voltage DC bus or voltage drop error DC under-vol. Over-voltage DC bus DC over-vol. AC current protection (input side) AC curr. pro.
  • Page 35 Air to Water Heat Pump Service Manual- Versati II Series 3�3�5 General Set At the homepage, by pressing “GEN.” access to the GENERAL SET page. At this page, it is able to set “Temp� unit”, “Language”, “On/off memory”, “Time & Date”, “Beeper” and “Back light”, as shown in the figure below.
  • Page 36 Air to Water Heat Pump Service Manual- Versati II Series 3�3�6 Key Lock At the homepage, by pressing the Up/Down keys simultaneously for 5 seconds, it is able to activate or deactivate this function. When it is activated, any key operation is ineffective.
  • Page 37 Air to Water Heat Pump Service Manual- Versati II Series INSTALLATION INSTALLATION...
  • Page 38 Air to Water Heat Pump Service Manual- Versati II Series INSTALLATION 1 INSTALLATION OF UNITS 1�1 Installation Positions 1.1.1 Installation Positions of Outdoor 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.
  • Page 39 Air to Water Heat Pump Service Manual- Versati II Series 1�3 Dimension Data and Installation Guide 1.3.1 Outdoor GRS-CQ12Pd/NaB-K(O),GRS-CQ14Pd/NaB-K(O),GRS-CQ16Pd/NaB-K(O): 1.3.2 Indoor GRS-CQ12Pd/NaB-K(I),GRS-CQ14Pd/NaB-K(I),GRS-CQ16Pd/NaB-K(I): INSTALLATION...
  • Page 40 Air to Water Heat Pump Service Manual- Versati II Series Install process of indoor unit Step1: Drilling hole on the wall in the following draw. expansion bolt hole unit outline Step2: Releasing screws, detach front cover from the indoor unit.
  • Page 41 Air to Water Heat Pump Service Manual- Versati II Series Step3: Attaching indoor unit to the wall make use of accessory expansion bolt. Expansion bolt Install wall CAUTION! ！ While lifting the indoor unit, at least two persons should be joined. Weight of the indoor unit is almost 52kg.
  • Page 42 Air to Water Heat Pump Service Manual- Versati II Series 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.
  • Page 43 Air to Water Heat Pump Service Manual- Versati II Series SXVD200LCJ/A-K SXVD200LCJ2/A-K SXVD300LCJ/A-K SXVD300LCJ2/A-K Models SXVD200LCJ/A-M SXVD200LCJ2/A-M SXVD300LCJ/A-M SXVD300LCJ2/A-M SXVD200LCJ/A-H SXVD200LCJ2/A-H SXVD300LCJ/A-H SXVD300LCJ2/A-H Litre 200L 200L 300L 300L coil specification SUS304 Ф22×0.8 coil length 18.5m 18.5m D(mm) D1(mm) H(mm) 1595...
  • Page 44 Air to Water Heat Pump Service Manual- Versati II Series Indoor Unit Other Thermal sensor (less than 5 meters) Water Tank Hot water output Other Thermal System Temp Sensor 1 Safety check Filter valve Tap water temp sensor 2 Cool Water...
  • Page 45 Air to Water Heat Pump Service Manual- Versati II Series 1�4 Installation Clearance Data 2000 ＞ 1300 (1) Water Volume and Pump capacity Note: The water pump is three speed-adjustable(maximum/medium/minimum), In most case, we strongly ① recommended to set speed as maximum;...
  • Page 46 Air to Water Heat Pump Service Manual- Versati II Series If the noise of the pump is not acceptable, we recommended change the default speed to medium ② speed, but to secure enough flow rate, do not set water speed as “Min”, it can lead unexpected flow rate error “EC”;...
  • Page 47 Air to Water Heat Pump Service Manual- Versati II Series 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.
  • Page 48 Air to Water Heat Pump Service Manual- Versati II Series 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.
  • Page 49 Air to Water Heat Pump Service Manual- Versati II Series Indoor unit Outdoor unit Indoor unit Outdoor unit Outdoor unit Indoor unit Oil trap Pipe size Length B Elevation A Additional (Diameter:Φ) model refrigerant Liquid Standard Max. Standard Max. GRS-CQ12Pd/NaB-K 5/8"...
  • Page 50 Air to Water Heat Pump Service Manual- Versati II Series 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.
  • Page 51 Air to Water Heat Pump Service Manual- Versati II Series 2�2 PCB Outline (2) GRS-CQ12Pd/NaB-K(O), GRS-CQ14Pd/NaB-K(O), GRS-CQ16Pd/NaB-K(O): Silk screen Specification AC-L live wire input of power supply, red Neutral line input of power supply(PFC blue inductive wire) blue L1-1 PFC brown inductive wire...
  • Page 52 Air to Water Heat Pump Service Manual- Versati II Series (2) GRS-CQ12Pd/NaB-K(I), GRS-CQ14Pd/NaB-K(I), GRS-CQ16Pd/NaB-K(I): HEAT2-L 2V1_OFF 3V1_OFF Other _OFF HEAT1-L 2V2_OFF PUMP2 AC_L N HEAT3-L Other _ON PUMP1 2V1_ON 2V2_ON 3V1_ON LED1 LED2 LED3 CN30 T-SENSOR 1 CN31 T-SENSOR 2...
  • Page 53 Air to Water Heat Pump Service Manual- Versati II Series 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...
  • Page 54 Air to Water Heat Pump Service Manual- Versati II Series 2.3.2 Wiring Diagram: Outdoor Unit GRS-CQ12Pd/NaB-K(O),GRS-CQ14Pd/NaB-K(O),GRS-CQ16Pd/NaB-K(O): 2.3.3 Wiring Diagram: Water Tank SXVD200LCJ/A-K, SXVD200LCJ2/A-K, SXVD300LCJ/A-K, SXVD300LCJ2/A-K: INSTALLATION...
  • Page 55 Air to Water Heat Pump Service Manual- Versati II Series SXVD200LCJ/A-M, SXVD200LCJ2/A-M, SXVD300LCJ/A-M, SXVD300LCJ2/A-M,SXVD200LCJ/A-H, SXVD200LCJ2/A-H, SXVD300LCJ/A-H, SXVD300LCJ2/A-H: Thermostat1T hermostat2 Heater WP95A-R (WP85A-R) INSTALLATION...
  • Page 56 Air to Water Heat Pump Service Manual- Versati II Series 2.3.4 Wiring Diagram: Indoor and Outdoor Unit (Including Field Wiring) GRS-CQ12Pd/NaB-K, GRS-CQ14Pd/NaB-K, GRS-CQ16Pd/NaB-K: INSTALLATION...
  • Page 57 Air to Water Heat Pump Service Manual- Versati II Series 2.3.5 Terminal Board Information GRS-CQ12Pd/NaB-K, GRS-CQ14Pd/NaB-K, GRS-CQ16Pd/NaB-K: Terminal board 3 Thermostat(1) Terminal Board 1 power supply for Water tank electric heater 345678 N(2) Connecting external electric power supply for Indoor Unit...
  • Page 58 Air to Water Heat Pump Service Manual- Versati II Series 2.3.6 Connecting with External Electric GRS-CQ12Pd/NaB-K, GRS-CQ14Pd/NaB-K, GRS-CQ16Pd/NaB-K: Water Tank CN15 CN14 CN13 CN12 CN11 CN10 Water Tank Temp Sensor 1 N(2) Water Tank Temp Sensor 2 External Power Supply (230V 50Hz 2.3.7 2-Way Valve...
  • Page 59 Air to Water Heat Pump Service Manual- Versati II Series 2 way value 1 2 way value 2 WARING! Normal Open type should be connected to wire (NO) and wire (N)for valve closing in cooling mode. ① Normal Closed type should be connected to wire (NC) and wire (N)for valve closing in cooling mode.
  • Page 60 Air to Water Heat Pump Service Manual- Versati II Series 2.3.10 Gate-controller If there is gate control function, pull out the leading wire 50 on terminal board(XT2) between19 and 20 or between 21 and 22, and then connect the Gate-controller .
  • Page 61 Air to Water Heat Pump Service Manual- Versati II Series Note: Distance between the indoor unit and the remote air temperature senor should be less than 15 meter ① due to length of the connection cable of remote air temperature sensor;...
  • Page 62 Air to Water Heat Pump Service Manual- Versati II Series MAINTENANCE MAINTENANCE...

  • Page 63: Error Code List

    Air to Water Heat Pump Service Manual- Versati II Series UNITS MAINTENANCE 1 ERROR CODE LIST 1) Complete Unit Code Error Name Control Description Code Indication Source of Error Signal ● The plug on temperature sensor is not correctly connected to the socket on...
  • Page 64 Air to Water Heat Pump Service Manual- Versati II Series De-energize the unit and then, energize it Indoor capacity switch error again. If the malfunction is removed, the code will be cleared. ● The communication line of the unit is not connected.
  • Page 65 Air to Water Heat Pump Service Manual- Versati II Series ● The plug on temperature sensor is not correctly connected to the socket on Refrigerant gas line temperature It will be automatically cleared after the mainboard. sensor error failure is removed.
  • Page 66 Air to Water Heat Pump Service Manual- Versati II Series 2) Drive Failure Code ● The Same Malfunctions for Single-phase Unit and Three-phase Unit Display on Display on Wired Item Nixie Tube of Remarks Controller Outdoor Unit Over-voltage DC bus DC over-vol.

  • Page 67: Flow Chart Of Troubleshooting

    Air to Water Heat Pump Service Manual- Versati II Series 2 FLOW CHART OF TROUBLESHOOTING (1) Comp High-pressure Protection E1 Comp High-pressure protection E1 Replace the High-pressure Check if the High-pressure switch switch is broken Check if the High-pressure switch Replace the wiring wiring is loose .
  • Page 68 Air to Water Heat Pump Service Manual- Versati II Series (2) Comp Low- pressure Protection E3 Comp Low-pressure Protection E3 Check if comp low-pressure switch Replace comp is broken or the wiring is loose. low- pressure or rewire Check if the fans stop running or reverse...
  • Page 69 Air to Water Heat Pump Service Manual- Versati II Series (4) Overload proection of compressor or driver error E5 Comp Overload Protection E5 Check if the AC Replace the AC contactor contactor is damaged Check if the compressor Adjust the...
  • Page 70 Air to Water Heat Pump Service Manual- Versati II Series (6) Temperature sensor error Temperature Sensor Error Check if the plug Check the orientation on temperature sensor is correctly of plug and socket connected to the socket. Replace the Check if the resistance of temperature sensor is correct.
  • Page 71 Air to Water Heat Pump Service Manual- Versati II Series (8) Indoor capacity switch error(code:"C5") E5 is displayed on the wired controller Is the jumper Connect the jumper connected ? Connect the right Is the number jumper of the jumper...
  • Page 72 Air to Water Heat Pump Service Manual- Versati II Series 3.1.2 IPM or PFC over-temperature protection(code:"P8") E5 is displayed on the wired controller P8 is displayed in the mainboard 88 Indicating Lamp Is the IPM or PFC module of mainboard tightened?
  • Page 73 Air to Water Heat Pump Service Manual- Versati II Series 3.1.4 Drive-to-main-control communication error(code:"P6") E5 is displayed on the wired controller P6 is displayed in the mainboard 88 Indicating Lamp Is the CPU tightened? Replace Tighten the mainboard the CPU board Work Normally 3.1.5 Compressor startup failure(code:"Lc")
  • Page 74 Air to Water Heat Pump Service Manual- Versati II Series 3.1.6 Compressor current protection(code:"P5") ; Compressor motor desynchronizing(code:"H7") ; IPM protection(code:"H5"); Phase loss(code:"Ld") E5 is displayed on the wired controller P5 H7 H5 or Ld is displayed in the mainboard 88...

  • Page 75: Disassembly And Assembly Procedure Of Main Parts

    Air to Water Heat Pump Service Manual- Versati II Series 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...
  • Page 76 Air to Water Heat Pump Service Manual- Versati II Series Fig. 3 2) Remove the Cabinet. ● Loosen the two tapping screws, and remove the Cabinet. [See Fig� 3] Fig. 4 MAINTENANCE...
  • Page 77 Air to Water Heat Pump Service Manual- Versati II Series 3) Remove the Rear Grill · Loosen the two tapping screws, and remove the Rear Grill.[See Fig.5] Fig.5 4) Remove the Electric Box Assy ● Loosen the two tapping screws, and remove the electric box assy .[See Fig�...
  • Page 78 Air to Water Heat Pump Service Manual- Versati II Series Fig.8 6) Remove the axial fan ● Loosen the ball nuts , and remove the axial fan. [See Fig� 9] Fig. 9 MAINTENANCE...
  • Page 79 Air to Water Heat Pump Service Manual- Versati II Series 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] Fig.10...
  • Page 80 Air to Water Heat Pump Service Manual- Versati II Series . 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.
  • Page 81 Air to Water Heat Pump Service Manual- Versati II Series Fig.14 MAINTENANCE...
  • Page 82 Air to Water Heat Pump Service Manual- Versati II Series Indoor Unit Fig. 1 1) Front panel assy [ Fig� 2] Fig. 2 MAINTENANCE...
  • Page 83 Air to Water Heat Pump Service Manual- Versati II Series 2) Electric box assy [ Fig� 3] Fig. 3 3) Water pump and water flow switch [See Fig�4] N o t e : G R S - C Q 1 6 P d / N a - H ( I ) i s n o t equipped with the water pump.
  • Page 84 Air to Water Heat Pump Service Manual- Versati II Series 4) Electric heater, automatic air outlet valve and relieve valve [See Fig�5] (joint of pressure gauge for capillary shall be removed) Fig.5 5) Expansion tank [See Fig� 6] Fig.6 6) Plate-type heat exchanger [See Fig� 7] Fig.
  • Page 85 Air to Water Heat Pump Service Manual- Versati II Series 5 EXPLODED VIEWS AND PART LIST 5�1 Outdoor Exploded View and Part List ● Exploded View of GRS-CQ12Pd/NaB-K(O),GRS-CQ14Pd/NaB-K(O) and GRS-CQ16Pd/NaB-K(O) MAINTENANCE...
  • Page 86 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of GRS-CQ12Pd/NaB-K(O) for ER010W1130, GRS-CQ14Pd/NaB-K(O) for ER010W1140, and GRS-CQ16Pd/NaB-K(O) for ER010W1150 No� Name of part Part code Quantity Right Connection Board 01344100003P Front Connection Board 01344100002P Gas-liquid Separator...
  • Page 87 Air to Water Heat Pump Service Manual- Versati II Series 5�2 Indoor Exploded View and Part List ● Exploded View of GRS-CQ12Pd/NaB-K(I),GRS-CQ14Pd/NaB-K(I) and GRS-CQ16Pd/NaB-K(I): MAINTENANCE...
  • Page 88 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of GRS-CQ12Pd/NaB-K(I) for ER010N1130, GRS-CQ14Pd/NaB-K(I) for ER010N1140 and GRS-CQ16Pd/NaB-K(I) for ER010N1150 No� Name of part Part code Quantity Front Panel Cover 01262866P Front Panel 01542808 Bottom Cover Plate...
  • Page 89 Air to Water Heat Pump Service Manual- Versati II Series 5�3 Water Tank Exploded View and Part List ● Exploded View of SXVD200LCJ/A-K, SXVD200LCJ/A-M,SXVD200LCJ/A-H, SXVD300LCJ/ A-K,SXVD300LCJ/A-M and SXVD300LCJ/A-H: MAINTENANCE...
  • Page 90 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of SXVD200LCJ/A-K for ER20000160 Name of part Part code Quantity Bottom Cover Plate 01262801P Fixation Bracket (Outside) 01802819P Body Of Outdoor Unit 0151283301P Electric Box Assy 01392865...
  • Page 91 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of SXVD200LCJ/A-H for ER20000280 Name of part Part code Quantity Bottom Cover Plate 01262801P Fixation Bracket (Outside) 01802819P Body Of Outdoor Unit 0151283301P Electric Box Assy 01392885...
  • Page 92 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of SXVD300LCJ/A-M for ER20000250 Name of part Part code Quantity Bottom Cover Plate 0126280102P Fixation Bracket (Outside) 01802833P Body Of Outdoor Unit 0151283401P Electric Box Assy 01392885...
  • Page 93 Air to Water Heat Pump Service Manual- Versati II Series ● Exploded View of SXVD200LCJ2/A-K, SXVD200LCJ2/A-M,SXVD200LCJ2/A-H, SXVD300LCJ2/ A-K,SXVD300LCJ2/A-M and SXVD300LCJ2/A-H: MAINTENANCE...
  • Page 94 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of SXVD200LCJ2/A-K for ER20000170 Name of part Part code Quantity Bottom Cover Plate 01262801P Fixation Bracket (Outside) 01802819P Body Of Outdoor Unit 01512833P Magnesium Sub-Assy 04162801 Gasket...
  • Page 95 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of SXVD200LCJ2/A-H for ER20000290 Name of part Part code Quantity Bottom Cover Plate 01262801P Fixation Bracket (Outside) 01802819P Body Of Outdoor Unit 01512833P Magnesium Sub-Assy 04162801 Gasket...
  • Page 96 Air to Water Heat Pump Service Manual- Versati II Series ● Parts List of SXVD300LCJ2/A-M for ER20000270 Name of part Part code Quantity Bottom Cover Plate 0126280102P Fixation Bracket (Outside) 01802833P Body Of Outdoor Unit 01512834P Magnesium Sub-Assy 04162801 Gasket...
  • Page 97 JF00301971...

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