Gree VERSATI SERIES Service Manual
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Gree VERSATI SERIES Service Manual

Air to water heat pump
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AIR TO WATER HEAT PUMP SERVICE MANUAL
-VERSATI SERIES
T1/R410A/50Hz&60Hz
(GC201202- )

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Summary of Contents for Gree VERSATI SERIES

  • Page 1 AIR TO WATER HEAT PUMP SERVICE MANUAL -VERSATI SERIES T1/R410A/50Hz&60Hz (GC201202- )

  • Page 2: Table Of Contents

    CONTENTS PRODUCT ...................... 2 1 MODELS LIST ......................2 1.1 Main Unit ............................2 1.2 Water Tank ............................. 3 2 NOMENCLATURE....................... 3 2.1 Main Unit ............................3 2.2 Water Tank ............................. 3 3 FUNCTION ......................... 4 3.1 Cooling ............................4 3.2 Heating ............................
  • Page 3 1.2 Matters Need Attention ....................... 64 1.3 Dimension Data and Installation Guide ..................65 1.4 Installation Clearance Data ......................72 1.5 The method of calculating the charging pressure of expansion vessel needed to be adjusted is as follows........................73 1.6 Connection of Pipeline ......................
  • Page 4 Air to Water Heat Pump Service Manual- Versati Series PRODUCT...

  • Page 5: Product

    Air to Water Heat Pump Service Manual- Versati Series PRODUCT 1 MODELS LIST 1.1 Main Unit Nominal Model Power Supply Appearance Capacity Refrigerant Model Name Product Code V,Ph,Hz Outdoor Unit Indoor Unit GRS- CQ6.0Pd/ ER010N1050 GRS- Na-K(I) CQ6.0Pd/ GRS- Na-K CQ6.0Pd/...

  • Page 6: Water Tank

    SXVD300LCJ2/A-K ER20000190 SXVD300LCJ2/A-M ER20000270 SXVD300LCJ2/A-H ER20000310 2 NOMENCLATURE 2.1 Main Unit Description Options GREE Air to water heat pump Heat Pump Water Heater Heating Mode Circulating Multi Heat pump Nominal Heating capacity 16=16 kW DC Inverter Refrigerant Type Na-R410A Power Supply K=220-240V,~,50Hz;...

  • Page 7: Function

    Air to Water Heat Pump Service Manual- Versati Series 3 FUNCTION 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 the user’s requirement.

  • Page 8: Weather-Dependent Heating Mode

    Air to Water Heat Pump Service Manual- Versati Series 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, this mode will terminate.
  • Page 9 Air to Water Heat Pump Service Manual- Versati Series AIR TO WATER HEAT PUMP GRS-CQ16Pd/ GRS-CQ12Pd/ GRS-CQ14Pd/ GRS-CQ16Pd/ GRS-CQ16Pd/ Model Na-K(O) Na-M(O) Na-M(O) Na-M(O) Na-H(O) Product Code ER010W1010 ER010W1060 ER010W1070 ER010W1080 ER010W1090 Power Supply V,Ph,Hz 220-240V,~,50Hz 380-415V,3N~,50Hz 380V,3N~,60Hz heating) Capacity 15.5...
  • Page 10 Air to Water Heat Pump Service Manual- Versati Series 4.1.2 Indoor Unit INDOOR UNIT GRS- GRS- GRS- GRS- GRS- Model CQ6.0Pd/ CQ8.0Pd/ CQ10Pd/ CQ12Pd/ CQ14Pd/ Na-K(I) Na-K(I) Na-K(I) Na-K(I) Na-K(I) Product Code ER010N1050 ER010N1040 ER010N1000 ER010N1020 ER010N1030 Power Supply V,Ph,Hz...
  • Page 11 Air to Water Heat Pump Service Manual- Versati Series INDOOR UNIT GRS- GRS- GRS- GRS- GRS-CQ16Pd/ Model CQ12Pd/ CQ14Pd/ CQ16Pd/ CQ16Pd/ Na-K(I) Na-M(I) Na-M(I) Na-M(I) Na-H(I) Product Code ER010N1090 ER010N1010 ER010N1060 ER010N1070 ER010N1080 Power Supply V,Ph,Hz 220-240V,~,50Hz 380-415V,3N~,50Hz 380V,3N~,60Hz Rated input (indoor only)

  • Page 12: Operation Range

    Air to Water Heat Pump Service Manual- Versati 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 SXVD300LCJ2/A-H...

  • Page 13: Electrical Data

    Air to Water Heat Pump Service Manual- Versati 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-CQ6.0Pd/Na-K(I) 3×4 GRS-CQ8.0Pd/Na-K(I) 3×10 GRS-CQ10Pd/Na-K(I) 3×10 GRS-CQ12Pd/Na-K(I) 3×10 GRS-CQ14Pd/Na-K(I) 3×10...

  • Page 14: Piping Diagram

    Air to Water Heat Pump Service Manual- Versati 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 15 Air to Water Heat Pump Service Manual- Versati Series CONTROL...

  • Page 16: Units Control

    Air to Water Heat Pump Service Manual- Versati 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 Control...

  • Page 17: Water-Side Auto Anti-Freezing In Winter

    Air to Water Heat Pump Service Manual- Versati Series 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 electric heater water-out temperature is lower than 5 , 30s later the water pump will automatically operate and 120s later the compressor operates.

  • Page 18: Function

    Air to Water Heat Pump Service Manual- Versati Series 3.2 Function 3.2.1 Operation View Name Function description H e a t i n g / C o o l i n g o n / o f f Press the button to turn on or turn off Heating operation or Cooling operation...
  • Page 19 Air to Water Heat Pump Service Manual- Versati Series 3.2.2 Display View Icon. Name Function description Silent mode This icon indicates that the silent mode is active. This icon indicates that the heating mode is active. Heating mode Cooling mode This icon indicates that the cooling mode is active.
  • Page 20 Air to Water Heat Pump Service Manual- Versati Series 24 hours timer This icon indicates that you are setting 24 hours timer or 24 hours timer is active. This icon indicates that you are setting 24 hours decrease timer or 24 hours decrease 24 hours decrease timer timer is active.
  • Page 21 Air to Water Heat Pump Service Manual- Versati Series If there is water tank, press button and the sanitary heating mode will act. The sanitary heating mode icon will show. Press button again to exit sanitary heating mode. 3.2.3.2 Mode Switch...
  • Page 22 Air to Water Heat Pump Service Manual- Versati Series 4) If the unit is turned on (with air function or sanitary water function), press button and the silent mode will operate. The silent mode icon will show. Press button again, and the silent mode will stop.
  • Page 23 Air to Water Heat Pump Service Manual- Versati Series 2) Press button to select the function code that you want to set. 3) Press...
  • Page 24 Air to Water Heat Pump Service Manual- Versati Series 4) Press button to adjust parameters. 5) Press button to save the desired parameter.
  • Page 25 Air to Water Heat Pump Service Manual- Versati Series 6) Repeat step 2 to 5 to set other function parameters. Press button or button to return the main menu. Table of user function parameter Code Function description Detail Range Setting temperature selection:...
  • Page 26 Air to Water Heat Pump Service Manual- Versati Series 0: Sunday 1: Monday 2: Tuesday S e t t i n g s t a r t d a t e o f d i s i n f e c t i o n...
  • Page 27 Air to Water Heat Pump Service Manual- Versati Series 10 ; than 35 ; Forced Operation instantly makes the unit working in Cool/Heat mode for 15 minutes. Note: a. Before setting the forced operation,please turn off the unit; b. When the forced cooling/Heating operation is set,press ON/OFF button in the control panel. The unit will start running.
  • Page 28 Air to Water Heat Pump Service Manual- Versati Series 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 0 , the Metal Base(pedestal) heater will be turned on;...
  • Page 29 Air to Water Heat Pump Service Manual- Versati Series Value of code 24: Upper limit of the outdoor air temperature; Function code 25: Setting temperature gap from target temperature of cooling operation This value requires frequent On and Off of the unit.
  • Page 30 Air to Water Heat Pump Service Manual- Versati Series The table of user function parameter Code Function description Detail Range Setting interval of defrost mode 30~60minute(default:50) Setting duration of defrost mode 1~15minute(default:10) Setting enter temperature of preventing freezing 1~5 (default:3 )
  • Page 31 Air to Water Heat Pump Service Manual- Versati Series Note: a. In heating or cooling mode, it can select room temperature or leaving water temperature. b. In sanitary heating mode, it can select sanitary water tank temperature and solar leaving water temperature (solar kit is installed).
  • Page 32 Air to Water Heat Pump Service Manual- Versati Series 3.2.3.7. View temperature 1) Press button to enter viewing temperature interface. Icon will show. Press button to select one temperature code.
  • Page 33 Air to Water Heat Pump Service Manual- Versati Series The table of view temperature Temperature code Function description 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...
  • Page 34 Air to Water Heat Pump Service Manual- Versati Series 3.2.3.8. timing setting 1) Press button to enter setting current time mode. The current setting hour is blinking. 2) Press button to adjust desired hour.
  • Page 35 Air to Water Heat Pump Service Manual- Versati Series 3) Press button to save the setting hour and the system will automatically enter setting current minute mode. The current setting minute is blinking. Press button to adjust desired minute.
  • Page 36 Air to Water Heat Pump Service Manual- Versati Series 5) Press button to save the setting minute and the system will automatically enter setting current day mode. The current setting day is blinking. 6) Press button to adjust desired day.
  • Page 37 Air to Water Heat Pump Service Manual- Versati Series 7) Press button to save the setting day and the system will automatically return to main menu. The current time has been set successfully. 3.2.3.9. Set timer (1) Set 24 hour reservation or 24 hour decrease reservation 1) Press repeatedly button to select setting 24 hour reservation or 24 hour decrease reservation.
  • Page 38 Air to Water Heat Pump Service Manual- Versati Series 2) Press button to select the operation mode of the 24 hour reservation or 24 hour decrease reservation (heating mode , cooling mode , sanitary heating mode , heating mode sanitary heating mode...
  • Page 39 Air to Water Heat Pump Service Manual- Versati Series 3) Press button to save the operation mode of the 24 hour reservation or 24 hour decrease reservation. The system will automatically enter selecting ON/OFF of the 24 hour reservation or 24 hour...
  • Page 40 Air to Water Heat Pump Service Manual- Versati Series 5) Press 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...
  • Page 41 Air to Water Heat Pump Service Manual- Versati Series 7) Press button to save the target temperature of the 24 hour reservation or 24 hour decrease reservation and system will automatically enter the interface of adjusting hour of the 24 hour reservation or 24 hour decrease reservation.
  • Page 42 Air to Water Heat Pump Service Manual- Versati Series 9) Press 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.
  • Page 43 Air to Water Heat Pump Service Manual- Versati Series (2) Set weekly reservation 1) Press repeatedly button to select weekly reservation. The weekly reservation icon will 2) Press button to select the operation mode of the weekly reservation (heating mode...
  • Page 44 Air to Water Heat Pump Service Manual- Versati Series 16) Repeat steps 8 to 15 to program other actions of this day, or press button to return to step 7. 17) Repeat steps 6 to 15 to program other day of weekly reservation, or press button to return to the main menu.
  • Page 45 Air to Water Heat Pump Service Manual- Versati Series bottom to shift to weekly timing menu.
  • Page 46 Air to Water Heat Pump Service Manual- Versati Series Count down setting (ON or OFF) indicates relevant icon. The numbers indicate the time being set to turn on or turn off the unit automatically. Press “Return” or “Esc” menu to exit current timing menu and return to the...
  • Page 47 Air to Water Heat Pump Service Manual- Versati Series If there is no operation in 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.
  • Page 48 Air to Water Heat Pump Service Manual- Versati Series 3.2.3.11 Timing Silent When the wired controller shows the main interface, press “Timer set” & “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 (18:00~8:00 is defaulted upon initial energization).
  • Page 49 Air to Water Heat Pump Service Manual- Versati Series stopping hour, with “OFF” icon showing.
  • Page 50 Air to Water Heat Pump Service Manual- Versati Series stopping minute.
  • Page 51 Air to Water Heat Pump Service Manual- Versati Series return to main interface. Then the timing silent function is set successfully.
  • Page 52 Air to Water Heat Pump Service Manual- Versati Series 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 When the wired controller shows the main interface, press “Timer set” & “Temp set” for 5 seconds to enter...
  • Page 53 Air to Water Heat Pump Service Manual- Versati Series 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 Press “Set” button to save the selection. Then timing temperature function is set successfully.
  • Page 54 Air to Water Heat Pump Service Manual- Versati Series 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...
  • Page 55 Air to Water Heat Pump Service Manual- Versati Series to save the adjustment.
  • Page 56 Air to Water Heat Pump Service Manual- Versati Series “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 defaulted to be the last...
  • Page 57 Air to Water Heat Pump Service Manual- Versati Series Step 3: Set timing temperature of the second period 1) The last timing temperature of the first period is defaulted. (The defaulted time is 17:00 upon initial energization. If the reference point is indoor temperature, the defaulted temperature is 20 for cooling and 26 for cooling and set starting minute of second period.
  • Page 58 Air to Water Heat Pump Service Manual- Versati Series...
  • Page 59 Air to Water Heat Pump Service Manual- Versati Series 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.
  • Page 60 Air to Water Heat Pump Service Manual- Versati Series 3.2.3.13 Set address 1) Press button to enter address viewing mode. 2) Press 3) Press button to adjust desired address (Range:0~125,127-253). 4) Press button to save the desired address. 5) Press button or button to return to the main menu.
  • Page 61 Air to Water Heat Pump Service Manual- Versati Series 3.2.3.14 Error Code Display When the error is occurred to indoor unit or outdoor unit, the error code will be displayed on control panel. Icon will show.
  • Page 62 Air to Water Heat Pump Service Manual- Versati Series The table of error code Error code Error description Malfunction of outdoor environment temperature sensor Malfunction of defrost temperature sensor Malfunction of discharge temperature sensor Malfunction of suction temperature sensor Malfunction of outdoor fan...

  • Page 63: Installation

    Air to Water Heat Pump Service Manual- Versati Series 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 water heating OFF and then hold down ESC and Return buttons at the same time for 10 seconds into test mode.
  • Page 64 Air to Water Heat Pump Service Manual- Versati Series (3) After LCD is removed, unplug communication line according Fig 4. (4) Then remove three retaining screws on mounted plate. The following disassembly methods are incorrect: Disassembly from top Disassembly from bottom...

  • Page 65: Control Wiring Design

    Air to Water Heat Pump Service Manual- Versati Series Disassembly from left side Disassembly from right sid 4 CONTROL WIRING DESIGN Diplay board Indoor Unit CN66 AP1 Outdoor Unit Eletric box Eletric box Main board Main board Long-distance Minitor PC Installation Instruction : (1) Wired controller connects to terminal CN6 on mainboard of indoor unit by 4-core communication line.
  • Page 66 Air to Water Heat Pump Service Manual- Versati Series INSTALLATION...

  • Page 67: Installation

    Air to Water Heat Pump Service Manual- Versati Series INSTALLATION 1 INSTALLATION OF UNITS 1.1 Installation Positions 1.1.1 Installation Positions of Outdoor Outdoor unit shall be installed close to the indoor unit, hence to minimize the length and bends of cooling pipe.

  • Page 68: Dimension Data And Installation Guide

    Air to Water Heat Pump Service Manual- Versati Series 1.3 Dimension Data and Installation Guide 1.3.1 Outdoor GRS-CQ6.0Pd/Na-K(O),GRS-CQ8.0Pd/Na-k(O),GRS-CQ10Pd/Na-K(O): 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),GRS-CQ16Pd/Na-H(O):...
  • Page 69 Air to Water Heat Pump Service Manual- Versati Series 1.3.2 Indoor GRS-CQ6.0Pd/Na-K(I),GRS-CQ8.0Pd/Na-k(I),GRS-CQ10Pd/Na-K(I),GRS-CQ12Pd/Na-K(I),GRS-CQ14Pd/ Na-K(I),GRS-CQ16Pd/Na-K(I),GRS-CQ12Pd/Na-M(I),GRS-CQ14Pd/Na-M(I),GRS-CQ16Pd/Na-M(I),GRS- CQ16Pd/Na-H(I): Install process of indoor unit Step1: Drilling hole on the wall in the following draw. expansion bolt hole unit outline...
  • Page 70 Air to Water Heat Pump Service Manual- Versati Series Step2: Releasing screws, detach front cover from the indoor unit. Step3: Attaching indoor unit to the wall make use of accessory expansion bolt. 1). GRS-CQ6.0Pd/Na-K(I), GRS-CQ8.0Pd/Na-K(I), GRS-CQ10Pd/Na-K(I), GRS-CQ12Pd/Na-K(I), GRS- CQ14Pd/Na-K(I), GRS-CQ16Pd/Na-K(I), GRS-CQ12Pd/Na-M(I), GRS-CQ14Pd/Na-M(I), GRS-...
  • Page 71 Air to Water Heat Pump Service Manual- Versati Series 2). GRS-CQ16Pd/Na-H(I) 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. Precautions on Installation of Indoor Unit Indoor unit shall be vertically mounted on the wall of the room with expansion bolt.
  • Page 72 Air to Water Heat Pump Service Manual- Versati 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 73 Air to Water Heat Pump Service Manual- Versati 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 length 18.5m 18.5m D(mm) D1(mm) H(mm) 1595 1620 A(mm) B(mm) C(mm) E(mm)
  • Page 74 Air to Water Heat Pump Service Manual- Versati 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 75: Installation Clearance Data

    Air to Water Heat Pump Service Manual- Versati 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 recommended to set speed as maximum;...

  • Page 76: The Method Of Calculating The Charging Pressure Of Expansion Vessel Needed To Be Adjusted Is As Follows

    Air to Water Heat Pump Service Manual- Versati Series If the noise of the pump is not acceptable, we recommended change the default speed to medium “EC”; (2) Water Volume and Expansion Vessel Pressure Note: Expansion vessel is included which 10 liter and 1bar pre-pressure.
  • Page 77 Air to Water Heat Pump Service Manual- Versati 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 78: Connection Of Pipeline

    Air to Water Heat Pump Service Manual- Versati Series After confirming that there is no leakage from the system, when the compressor is not in operation pipe valve of the outdoor unit. Since this refrigerant is a mixed refrigerant, adding it in gas form may cause the refrigerant composition to change, preventing normal operation.
  • Page 79 Air to Water Heat Pump Service Manual- Versati Series Indoor unit Outdoor unit Indoor unit Outdoor unit Outdoor unit Indoor unit Oil trap Pipe size Length B Elevation A Additional model refrigerant Liquid Standard Max. Standard Max. GRS-CQ6.0Pd/Na-K 1/2" 1/4"...

  • Page 80: Electric Wiring Work

    Air to Water Heat Pump Service Manual- Versati 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 81: Pcb Outline

    Air to Water Heat Pump Service Manual- Versati Series 2.2 PCB Outline (1) GRS-CQ6.0Pd/Na-K(O), GRS-CQ8.0Pd/Na-K(O), GRS-CQ10Pd/Na-K(O): Silk Screen AC-L Live wire input of power supply, red Neutral wire input of power supply, white Ground wire, yellow green L2-2 PFC blue inductive wire...
  • Page 82 Air to Water Heat Pump Service Manual- Versati Series (2) GRS-CQ12Pd/Na-K(O), GRS-CQ14Pd/Na-K(O), GRS-CQ16Pd/Na-K(O): Silk Screen 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 L2-1 PFC yellow inductive wire...
  • Page 83 Air to Water Heat Pump Service Manual- Versati Series (3) GRS-CQ12Pd/Na-M(O), GRS-CQ14Pd/Na-M(O), GRS-CQ16Pd/Na-M(O),GRS-CQ16Pd/Na-H(O): Silk Screen live wire input of power supply Neutral line input of power supply Reactor red inductive wire U-phase of compressor V-phase of compressor W-phase of compressor...
  • Page 84 Air to Water Heat Pump Service Manual- Versati Series (4) GRS-CQ6.0Pd/Na-K(I), GRS-CQ8.0Pd/Na-K(I), GRS-CQ10Pd/Na-K(I), GRS-CQ12Pd/Na-K(I), GRS- CQ14Pd/Na-K(I), GRS-CQ16Pd/Na-K(I), GRS-CQ12Pd/Na-M(I), GRS-CQ14Pd/Na-M(I), GRS-CQ16Pd/Na- M(I),GRS-CQ16Pd/Na-H(I): HEAT2-L 3V2_OFF 2V1_OFF 3V1_OFF HEAT1-L 2V2_OF F PUMP2 AC_L N HEAT3-L 3V2_ON PUMP1 2V1_ON 2V2_ON 3V1_ON LED1 LED2 LED3...

  • Page 85: Electric Wiring Design

    Air to Water Heat Pump Service Manual- Versati Series 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...
  • Page 86 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ12Pd/Na-M(I), GRS-CQ14Pd/Na-M(I), GRS-CQ16Pd/Na-M(I): Indoor Unit POWER 2-way valve1 2-way valve2 3-way valve1 3-way valve2 Specification: 1. If the gate control function is required, Running pull out the leading wire 50 between...
  • Page 87 Air to Water Heat Pump Service Manual- Versati Series 2.3.2 Wiring Diagram: Outdoor Unit GRS-CQ6.0Pd/Na-K(O),GRS-CQ8.0Pd/Na-K(O),GRS-CQ10Pd/Na-K(O): GRS-CQ12Pd/Na-K(O),GRS-CQ14Pd/Na-K(O),GRS-CQ16Pd/Na-K(O):...
  • Page 88 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ12Pd/Na-M(O), GRS-CQ14Pd/Na-M(O), GRS-CQ16Pd/Na-M(O), GRS-CQ16Pd/Na-H(O):...
  • Page 89 Air to Water Heat Pump Service Manual- Versati Series 2.3.3 Wiring Diagram: Water Tank SXVD200LCJ/A-K, SXVD200LCJ2/A-K, SXVD300LCJ/A-K, SXVD300LCJ2/A-K: 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 WP95A-R (WP85A-R) Heater...
  • Page 90 Air to Water Heat Pump Service Manual- Versati Series 2.3.4 Wiring Diagram: Indoor and Outdoor Unit (Including Field Wiring) 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:...
  • Page 91 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ12Pd/Na-M, GRS-CQ14Pd/Na-M, GRS-CQ16Pd/Na-M:...
  • Page 92 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ16Pd/Na-H:...
  • Page 93 Air to Water Heat Pump Service Manual- Versati Series 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 Thermostat(1) Terminal Board 1 power supply for Water tank electric heater 345678 N(2) Connecting external electric power supply for Indoor Unit...
  • Page 94 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ12Pd/Na-M, GRS-CQ14Pd/Na-M, GRS-CQ16Pd/Na-M: Connection for Gate Control Fuction Indicating lihgt Terminal Board 2 11 12 17 18 19 20 Connection for Client 2 way value(1) 2 way value(2) Connection for 3 way value(1)
  • Page 95 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ16Pd/Na-H: Connection water pump AC contactor Terminal Board 2 Connection for (heat pump) Indicating lihgt 11 12 16 17 18 19 20 Gate Control Fuction 2 way value(1) 2 way value(2)
  • Page 96 Air to Water Heat Pump Service Manual- Versati Series 2.3.6 Connecting with External Electric 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: Water Tank CN15 CN14 CN13 CN12 CN11 CN10 Water Tank Temp Sensor 1 N(2) Water Tank Temp Sensor 2 External Power Supply...
  • Page 97 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ12Pd/Na-M, GRS-CQ14Pd/Na-M, GRS-CQ16Pd/Na-M: Water Tank CN15 CN14 CN13 CN12 CN11 CN10 11 21 Water Tank Temp Sensor1 Water Tank Temp Sensor 2 External Power Supply (380-415V 50Hz 3N )
  • Page 98 Air to Water Heat Pump Service Manual- Versati Series GRS-CQ16Pd/Na-H: Water Tank CN15 CN14 CN13 CN12 CN11 CN10 Water Tank Temp Sensor1 Water Tank Temp Sensor 2 External Power Supply (380V 60Hz 3N~ ) 2.3.7 2-Way Valve General Information Type...
  • Page 99 Air to Water Heat Pump Service Manual- Versati 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. Normal Closed type should be connected to wire (NC) and wire (N)for valve closing in cooling mode.
  • Page 100 Air to Water Heat Pump Service Manual- Versati Series (2). GRS-CQ16Pd/Na-H(I) Gate-controller GREE does not supply this section 2.3.10 Remote Air Temperature Sensor Front side Back side Remote Air Temperature Sensor 1.5 Meters Doors Remote Air Environment CN15 Temp sensor...
  • Page 101 Air to Water Heat Pump Service Manual- Versati Series Remote air temperature sensor should be installed where space heating is mainly applied; After the Remote air temperature sensor is installed, should be set the value form “0”to“1” at the function code 1 in the control panel, so as to select remote air temperature to the control point.
  • Page 102 Air to Water Heat Pump Service Manual- Versati Series MAINTENANCE...

  • Page 103: Units Maintenance

    Air to Water Heat Pump Service Manual- Versati Series UNITS MAINTENANCE 1 ERROR CODE LIST 1) Complete Unit Code Code Indication Error Name Source of Error Signal Control Description The plug on temperature sensor is not correctly connected to the socket on...
  • Page 104 Air to Water Heat Pump Service Manual- Versati 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 105 Air to Water Heat Pump Service Manual- Versati Series The plug on temperature sensor is not correctly connected to the socket on Gas pipe temperature sensor inside It will be automatically cleared after the mainboard. refrigerant error failure is removed.
  • Page 106 Air to Water Heat Pump Service Manual- Versati 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 DC busbar over-voltage protection IPM or PFC over-temperature protection...

  • Page 107: Flow Chart Of Troubleshooting

    Air to Water Heat Pump Service Manual- Versati 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 108 Air to Water Heat Pump Service Manual- Versati 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 109 Air to Water Heat Pump Service Manual- Versati 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 Adjust the Check if the compressor wiring is correct...
  • Page 110 Air to Water Heat Pump Service Manual- Versati 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 111: Diagnosis Of Driving

    Air to Water Heat Pump Service Manual- Versati 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 right ?
  • Page 112 Air to Water Heat Pump Service Manual- Versati 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 113 Air to Water Heat Pump Service Manual- Versati 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 114 Air to Water Heat Pump Service Manual- Versati 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 115: Disassembly And Assembly Procedure Of Main Parts

    Air to Water Heat Pump Service Manual- Versati Series 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Disassembly and assembly of external casing Operation Procedure Illustration OutdooUnit: GRS-CQ6.0Pd/Na-K(O),GRS-CQ8.0Pd/Na-k(O),GRS-CQ10Pd/Na-K(O) Fig. 1 1) Remove the cover.front side plate l and right side plate.
  • Page 116 Air to Water Heat Pump Service Manual- Versati Series Fig. 3 2) Remove the Cabinet. Loosen the two tapping screws, and remove the Cabinet. [See Fig. 3] Fig. 4...
  • Page 117 Air to Water Heat Pump Service Manual- Versati Series 3) Remove right side plate. Loosen the two tapping screws, and remove right side plate. [See Fig.5] Fig. 5 4) Remove the Rear Grill Loosen the two tapping screws, and remove the Rear Grill.[See Fig.6]...
  • Page 118 Air to Water Heat Pump Service Manual- Versati Series Fig.7 5) Remove the Electric Box Assy Loosen the two tapping screws, and remove the Electric Box Assy .[See Fig. Fig.8...
  • Page 119 Air to Water Heat Pump Service Manual- Versati Series 6) Remove the axial fan Loosen the ball nuts , and remove the axial fan. [See Fig. 9] Fig. 9 7) Remove the motor Loosen the screws fixing the motor support. Remove the motor support.
  • Page 120 Air to Water Heat Pump Service Manual- Versati Series 8) Remove the 4-way valve Loosen the screws fixing the coil 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]...
  • Page 121 Air to Water Heat Pump Service Manual- Versati Series . Remove 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.
  • Page 122 Air to Water Heat Pump Service Manual- Versati Series 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), GRS-CQ16Pd/Na-H(O) 1) Remove the cover.front side plate l and right side plate. Fig. 1 Loosen the two tapping screws, and remove the cover, the front side plate and right side plate.[ Fig.
  • Page 123 Air to Water Heat Pump Service Manual- Versati Series Fig. 3 2) Remove the Cabinet. Loosen the two tapping screws, and remove the Cabinet. [See Fig. 3] Fig. 4...
  • Page 124 Air to Water Heat Pump Service Manual- Versati 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. 8]...
  • Page 125 Air to Water Heat Pump Service Manual- Versati Series Fig.8 6) Remove the axial fan Loosen the ball nuts , and remove the axial fan. [See Fig. 9] Fig. 9...
  • Page 126 Air to Water Heat Pump Service Manual- Versati 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 127 Air to Water Heat Pump Service Manual- Versati Series . Remove 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 128 Air to Water Heat Pump Service Manual- Versati Series Fig.14...
  • Page 129 Air to Water Heat Pump Service Manual- Versati Series Indoor Unit Fig. 1 1) Front panel assy [ Fig. 2] Fig. 2...
  • Page 130 Air to Water Heat Pump Service Manual- Versati Series 2) Electric box assy [ Fig. 3] Fig. 3 [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 131 Air to Water Heat Pump Service Manual- Versati 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]...

  • Page 132: Exploded Views And Part List

    Air to Water Heat Pump Service Manual- Versati Series 5 EXPLODED VIEWS AND PART LIST 5.1 Outdoor Exploded View and Part List Exploded View of GRS-CQ6.0Pd/Na-K(O):...
  • Page 133 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ6.0Pd/Na-K(O) for ER010W1050 Name of part Part code Quantity Big Handle 26235001 Valve Support Sub-Assy 0171311501P Right Side Plate 01305044P Cut-off Valve 07130239 Cut-off Valve 071302392 Strainer 07210032...
  • Page 134 Air to Water Heat Pump Service Manual- Versati Series Temperature Sensor 3900028010 Temperature Sensor 39008054 Clapboard 01245237 4300010822 Sensing Device 322101031 Electronic Expansion Valve 07334194 Drainage Connecter 06123401 Drainage Plug 06813401...
  • Page 135 Air to Water Heat Pump Service Manual- Versati Series Exploded View of GRS-CQ8.0Pd/Na-k(O) and GRS-CQ10Pd/Na-K(O):...
  • Page 136 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ8.0Pd/Na-k(O) for ER010W1040 and GRS-CQ10Pd/Na-K(O) for ER010W1000 Name of part Part code Quantity Big Handle 26235001 Valve Support Sub-Assy 01715012P Right Side Plate 01305044P Cut-off Valve 5/8 07133157...
  • Page 137 Air to Water Heat Pump Service Manual- Versati Series Exploded View of GRS-CQ12Pd/Na-K(O),GRS-CQ14Pd/Na-K(O) and GRS-CQ16Pd/Na-K(O)
  • Page 138 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ12Pd/Na-K(O) for ER010W1020, GRS-CQ14Pd/Na-K(O) for ER010W1030, and GRS-CQ16Pd/Na-K(O) for ER010W1010 Name of part Part code Quantity Front grill 22414102 Axial Flow Fan 10338731 Fan Motor 15704115 Front Side Plate Sub-Assy...
  • Page 139 Air to Water Heat Pump Service Manual- Versati Series Exploded View of GRS-CQ12Pd/Na-M(O),GRS-CQ14Pd/Na-M(O) and GRS-CQ16Pd/Na-M(O):...
  • Page 140 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ12Pd/Na-M(O) for ER010W1060, GRS-CQ14Pd/Na-M(O) for ER010W1070 and GRS-CQ16Pd/Na-M(O) for ER010W1080,GRS-CQ16Pd/Na-H(O) for ER010W1090 Name of part Part code Quantity Bidirection Strainer 07220016 Inhalation Tube Sub-Assy 04675328 Gas-liquid Separator 07425216...
  • Page 141 Air to Water Heat Pump Service Manual- Versati Series Temperature Sensor 3900028002 Pressure Protect Switch 46020006 Magnet Coil 4300040031 Rear Side Plate Sub-Assy 01314171P 4-way Valve Sub-Assy 04142823 4-way Valve 43000338 Nozzle for Adding Freon 06120012 Temperature Sensor 3900805401 Strainer...

  • Page 142: Indoor Exploded View And Part List

    Air to Water Heat Pump Service Manual- Versati Series 5.2 Indoor Exploded View and Part List Exploded View of GRS-CQ6.0Pd/Na-K(I):...
  • Page 143 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ6.0Pd/Na-K(I) for ER010N1050 Name of part Part code Quantity Front Panel Cover 01262866 Front Panel 01542808 Electric Box Cover 01422821 Electric Box Assy 01392864 Enter Water Pipe Sub-Assy...
  • Page 144 Air to Water Heat Pump Service Manual- Versati Series Exploded View 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(I):...
  • Page 145 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ8.0Pd/Na-K(I) for ER010N1040, GRS-CQ10Pd/Na-K(I) for ER010N1000, GRS- CQ12Pd/Na-K(I) for ER010N1020, GRS-CQ14Pd/Na-K(I) for ER010N1030 and GRS-CQ16Pd/Na-K(I) for ER010N1010 Name of part Part code Quantity Front Panel Cover 01262866P Front Panel...
  • Page 146 Air to Water Heat Pump Service Manual- Versati Series Exploded View of GRS-CQ12Pd/Na-M(I), GRS-CQ14Pd/Na-M(I), GRS-CQ16Pd/Na-M(I):...
  • Page 147 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ12Pd/Na-M(I) for ER010N1060, GRS-CQ14Pd/Na-M(I) for ER010N1070, GRS- CQ16Pd/Na-M(I) for ER010N1080 Name of part Part code Quantity Front Panel Cover 01262866P Front Panel 01542808 Electric Box Cover 01422821 Electric Box Assy...
  • Page 148 Air to Water Heat Pump Service Manual- Versati Series Exploded View of GRS-CQ16Pd/Na-H(I):...
  • Page 149 Air to Water Heat Pump Service Manual- Versati Series Parts List of GRS-CQ16Pd/Na-H(I) for ER010N1090 Name of part Part code Quantity Front Panel Cover 01262866P Front Panel 01542808 Display Board 30293301 Outlet Water Pipe Sub-Assy 04262800007 Water Flow Switch Sub-Assy...

  • Page 150: Water Tank Exploded View And Part List

    Air to Water Heat Pump Service Manual- Versati 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:...
  • Page 151 Air to Water Heat Pump Service Manual- Versati 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 Bottom Cover Plate...
  • Page 152 Air to Water Heat Pump Service Manual- Versati 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 Bottom Cover Plate...
  • Page 153 Air to Water Heat Pump Service Manual- Versati 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 Bottom Cover Plate...
  • Page 154 Air to Water Heat Pump Service Manual- Versati Series Exploded View of SXVD200LCJ2/A-K, SXVD200LCJ2/A-M,SXVD200LCJ2/A-H, SXVD300LCJ2/ A-K,SXVD300LCJ2/A-M and SXVD300LCJ2/A-H:...
  • Page 155 Air to Water Heat Pump Service Manual- Versati 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 7041280401 Electric Box Assy...
  • Page 156 Air to Water Heat Pump Service Manual- Versati 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 7041280401 Electric Box Assy...
  • Page 157 Air to Water Heat Pump Service Manual- Versati 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 7041280401 Electric Box Assy...
  • Page 158 JF00300495...

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