Gree GC202306-I Service Manual
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Gree GC202306-I Service Manual

Gree GC202306-I Service Manual

Swimming pool heat pump (r32)
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SWIMMING POOL HEAT PUMP (R32)
(GC202306-I)
Capacity: 2.2~18.8kW
Rate Frequency: 50Hz/60Hz
Operation Range: -15~45°C

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Summary of Contents for Gree GC202306-I

  • Page 1 SWIMMING POOL HEAT PUMP (R32) (GC202306-I) Capacity: 2.2~18.8kW Rate Frequency: 50Hz/60Hz Operation Range: -15~45°C...

  • Page 2: Table Of Contents

    CONTENTS Safety Notices (Please be Sure to Abide Them) ··················································· 1 PRODUCT ······································································································· 5 1.Product List ··································································································· 5 2.Nomenclature ································································································ 5 3.Product Features ···························································································· 5 4.Specifications ································································································· 8 5.Capacity Curve and Model Selection ··································································· 9 6.Principal of Operation ···················································································· 11 CONTROL ·····································································································...

  • Page 3: Safety Notices (Please Be Sure To Abide Them)

    Gree SWIMMING POOL HEAT PUMP (R32) Safety Notices (Please be Sure to Abide Them) SPECIAL WARNING: (1) Be sure to comply with national gas regulations. (2) Do not pierce or burn. (3) Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
  • Page 4 Gree SWIMMING POOL HEAT PUMP (R32) PROHIBITED! (1) The unit should be grounded to avoid electric shock. Do not connect the ground wire to gas pipe, water pipe, lightning arrester or telephone wire. (2) It is forbidden to change the power cord, socket or grounding mode without authorization.
  • Page 5 Gree SWIMMING POOL HEAT PUMP (R32) WARNING! (17) If the unit is to be installed in a small space, please adopt protective measures to prevent the concentration of refrigerant from exceeding the allowable safety limit; Excessive refrigerant leakage may lead to explosion.
  • Page 6 Gree SWIMMING POOL HEAT PUMP (R32) NOTES! (9) This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.(for GRS-CP11Pd/NhA-K and...

  • Page 7: Product

    GRS-CP11Pd/NhA-S 50/60 Hz GRS-CP18Pd/NhA-K 18.8 220-240 V GRS-CP18Pd/NhA-S 50/60 Hz 2.Nomenclature Description Options Product type Gree swimming pool heat pump Application Swimming pool heat pump Heating capacity High temperature heating capacity (kW) Fixed frequency-omitted Compressor type Inverter-Pd R22-omitted R32-Nh Refrigerant...
  • Page 8 (2) Multi-function Intelligent Control Controller: ON/OFF, Cooling, Heating, AUTO, Timer, Energy saving mode, Fast heating, etc. WiFi (on Gree+ APP): ON/OFF, Cooling, Heating, AUTO, Timer, Energy saving mode, Fast heating, etc.
  • Page 9 Due to the adoption of seamless titanium water side heat exchanger with rigid polyvinyl chloride (PVC) material shell, Gree swimming pool heat pump can achieve high acid resistance, great alkali resistance, excellent corrosion resistance, and with low flow resistance, which makes it more suitable for the heat exchange of frequently-disinfected swimming pool water.

  • Page 10: Specifications

    Gree SWIMMING POOL HEAT PUMP (R32) 4.Specifications 4.1 Specifications GRS-CP11Pd/NhA-K GRS-CP18Pd/NhA-K Model GRS-CP11Pd/NhA-S GRS-CP18Pd/NhA-S Heating capacity 2.2~11.8 5.5~18.8 High-temperature & high-humidity heating: ambient temperature: 27°C/80%, 26°C water Energy — 13.0~5.8 11.0~5.2 inlet efficiency Medium-temperature & medium-humidity Heating capacity 2.0~8.8 3.0~15.1...

  • Page 11: Capacity Curve And Model Selection

    Gree SWIMMING POOL HEAT PUMP (R32) 4.2 Operation Range Use the swimming pool heat pump unit within the following ranges of temperature and water pressure to ensure safe and efficient operation. Heating Mode Cooling Mode Outside temperature -15°C ~ 45°C 16°C ~ 45°C...
  • Page 12 Gree SWIMMING POOL HEAT PUMP (R32) According to the temperature of swimming pool water of 26~28℃, the corresponding unit output capacity under different ambient temperature is shown in the figure as below. Please refer to below table for the model selection based on the unit capacity output.

  • Page 13: Principal Of Operation

    Gree SWIMMING POOL HEAT PUMP (R32) 6.Principal of Operation Through the thermal cycle, the heat absorbed in the air is transferred to the water-side heat exchanger for water supply (hot water), or the heat absorbed by the water-side heat exchanger (cold...

  • Page 14: Control

    Gree SWIMMING POOL HEAT PUMP (R32) CONTROL 1.Units’ Control 1.1 Schematic Diagram of Units’ Control 1.2 Key Control Logics (1) Control on compressor After power is connected, start the system by the manual operator and detect the outdoor ambient temperature sensor. If the outdoor ambient temperature is not lower than -15°C and when no fault is detected and start up conditions of the compressor are met, the system starts.

  • Page 15: Controller

    Gree SWIMMING POOL HEAT PUMP (R32) 2.Controller Fig. 2-1 LCD Display of Wired Controller Table.2.1 LCD Display Description Symbols Instructions Cooling mode Water outlet icon; water outlet icon and lower part of temperature area jointly refers to water outlet temperature.

  • Page 16: Query Parameters

    Gree SWIMMING POOL HEAT PUMP (R32) 3.Query Parameters This function is provided for the debugging personnel to query running status of the unit. After pressing and holding “ ” + “ ” button for 5s, the parameter displays area blinks. 00 is displayed by default.
  • Page 17 Gree SWIMMING POOL HEAT PUMP (R32) Fig. 4-3 Mode Setting 4.3 Grade setting In the ON state interface, each time press the “ ”button for once, the grade will switch among smart, fast and energy saving grades, the order for switching is shown as the figure.
  • Page 18 Gree SWIMMING POOL HEAT PUMP (R32) (3) Press “ ” button again, set the timer ON minute,“ ” and ”ON” icons are constantly on, and timer ON minute icon flashes, press“ ”or “ ”button to adjust timer ON minute; (4) Press “...
  • Page 19 Gree SWIMMING POOL HEAT PUMP (R32) Fig. 4-7 Setting of Timer ECO Time 4.5.4 Multistep Timer Setting (1) In ON or OFF status, or setting interface of system time, press and hold “ ”button for 5 seconds to enter setting of multistep timer ON/OFF and multistep ECO function.
  • Page 20 Fig. 4-9 Setting Steps of Weekly Timer 4.6 WiFi Function Setting You can use “Gree+” App to control it, please scan the QR code in the home page to download it. Only common functions of WiFi wired controller can be set through App: ON/OFF, mode, set temperature, grade, timer ON/OFF, timer ECO.
  • Page 21 Gree SWIMMING POOL HEAT PUMP (R32) “ OFF ” for 5 seconds, after the clean function is turned off, it will return to temperature display interface. Fig. 4-10 Clean Function is ON Fig. 4-11 Clean Function is OFF 4.7.3 Special Parameters Setting (1) In ON or OFF state interface, press and hold “...
  • Page 22 Gree SWIMMING POOL HEAT PUMP (R32) Special Special Parameter Parameter Instruction Remarks Parameters Option Value ON/OFF control Settable in both ON and Selectable value: 00; 01; 02 temperature sensor OFF states Valid Water temperature Settable in both ON and compensatory status...

  • Page 23: Installation

    Gree SWIMMING POOL HEAT PUMP (R32) INSTALLATION 1.Installation Safety Precautions Please read the instructions for use, installation and maintenance carefully before use. (1) For the product to be installed, moved and repaired, please contact the local technical service personnel and seek the support of professional institutions. Otherwise, our company may not be able to assume the relevant legal liability in case of any damage.

  • Page 24: Unit Installation Diagram

    Gree SWIMMING POOL HEAT PUMP (R32) sectional area shall not be less than the specification requirements of the power cord in the Manual. (15) The unit shall use special circuit and socket, and be equipped with appropriate leakage protection switch and circuit breaker (air switch). The circuit breaker shall be full-pole open, with the contact breaking distance of at least 3 mm.

  • Page 25: Unit Installation Requirements

    Gree SWIMMING POOL HEAT PUMP (R32) Unit: mm Fig. 3-1 Dimensions of units installation space 4.Unit Installation Requirements (1) Ensure that the sound and air flow of unit operation will not affect others or animals and plants. (2) Ensure that the unit has good ventilation. If a canopy is installed to protect the unit, the heat dissipation and absorption shall not be affected.

  • Page 26: Water System Connection

    Gree SWIMMING POOL HEAT PUMP (R32) Fig. 4-1 Drainage pipe connection 5.Water System Connection 5.1 Installation Requirements of Water System Piping (1) The design and construction of the water system must meet the requirements of the local plumbing design specifications and relevant standards.

  • Page 27: Electrical Installation

    Gree SWIMMING POOL HEAT PUMP (R32) Fig. 5-1 Water outlet and water inlet pipe connection 6.Electrical Installation WARNING! The heat pump pool heater is a class I electrical appliance. Please be sure it is installed by professional personnel  according to the relevant standards of the region or country where it is installed.
  • Page 28 Gree SWIMMING POOL HEAT PUMP (R32) If the display board needs to be installed on the unit's panel, its wiring method should be in accordance with method II in the figure. (Note: Connect according to either method I or method II).
  • Page 29 Gree SWIMMING POOL HEAT PUMP (R32) Fig. 6-3 Installation diagram for power cord with buckle magnetic ring (for GRS-CP11Pd/NhA-K、 GRS-CP11Pd/NhA-S) (4) For GRS-CP18Pd/NhA-K, both the power cord and the water pump power cord should be equipped with magnetic rings. For the installation process, see the third point in Section 3.6.2 for steps to install a magnetic ring on an external power cord.
  • Page 30 Gree SWIMMING POOL HEAT PUMP (R32) 6.3.2 Wire Controller Connection The wire controller is installed on the front panel of the unit by default. When it needs to be adjusted to other places outside the unit, to be in compliance EN 55014.

  • Page 31: Commissioning

    Gree SWIMMING POOL HEAT PUMP (R32) Fig. 6-5 Installation of Wired Controller (3) Install in The Unit The wired controller can be directly installed in the unit by installation personnel. (4) Removal Fig. 6-6 Removal of Wired Controller Caution! For removing wired controller in figure ①, please use slot type screwdriver for easily lever the panel and soleplate of wired controller.

  • Page 32: Non-Fault Phenomenon

    Gree SWIMMING POOL HEAT PUMP (R32) Tab. 7.1 Unit installation checklist Items to be Checked Possible Situation in Case of Improper Installation Check whether the water pipeline system is complete. System protection caused by pipeline leakage. Check whether the power supply is consistent with the power supply required in this manual and the unit Abnormal unit or burnt-out parts.

  • Page 33: Maintenance

    Gree SWIMMING POOL HEAT PUMP (R32) MAINTENANCE 1.Notices on Maintenance 1.1 Information on Servicing The manual shall contain specific information for service personnel who shall be instructed to undertake the following when servicing an appliance that employs a flammable refrigerant.
  • Page 34 Gree SWIMMING POOL HEAT PUMP (R32) 1.1.7 Ventilated Area Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out.
  • Page 35 Gree SWIMMING POOL HEAT PUMP (R32) (2) Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, excessive number of connections, terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.
  • Page 36 Gree SWIMMING POOL HEAT PUMP (R32) until the working pressure is achieved, then venting to atmosphere, and finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system. When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable work to take place.
  • Page 37 When oil is drained from a system, it shall be carried out safely. 1.11 After-Sales Services Any quality or other issues encountered in the purchased units, please contact the local Gree after-sales service department.

  • Page 38: Daily Maintenance

    Gree SWIMMING POOL HEAT PUMP (R32) 2.Daily Maintenance (1) In the use season of the pool heat pump unit, it is recommended to clean the filter every week. (2) In the use season of the swimming pool, check that the electrical connection of the heat pump...

  • Page 39: Control Board Description & Fault Code

    Gree SWIMMING POOL HEAT PUMP (R32) 4.Control Board Description & Fault Code 4.1 Main Control Board Silk Screen Introduction Power supply zero line(only for GRS-CP18Pd/NhA-K、GRS-CP18Pd/NhA-S) K7_3 Load power supply fire wire K7_4 Water pump fire wire Power input Electronic anode power supply (Reserved)
  • Page 40 Gree SWIMMING POOL HEAT PUMP (R32) Silk-Screen Introduction Power input zero line Power input fire wire Filter ground wire OFAN DC fan interface Electronic expansion valve interface High-pressure switch interface T-SEN Ambient temperature, discharge and pipe temperature sensor T-SEN1 Suction temperature sensor...
  • Page 41 Gree SWIMMING POOL HEAT PUMP (R32) 4.4 Fault Information Table (Drive Board) Error Error Error Name Error Name Code Code AC current protection (input side) of EPROM memory chip fault variable frequency external fan Drive IPM module protection of variable...

  • Page 42: Circuit Diagram

    Gree SWIMMING POOL HEAT PUMP (R32) 5.Circuit Diagram The following are for reference only, the circuit diagram can be found on the unit. Fig. 5-1 The circuit diagram of GRS-CP11Pd/NhA-K and GRS-CP11Pd/NhA-S Fig. 5-2 The circuit diagram of GRS-CP18Pd/NhA-K and GRS-CP18Pd/NhA-S...

  • Page 43: Troubleshooting

    Gree SWIMMING POOL HEAT PUMP (R32) 6.Troubleshooting Troubleshooting principle 6.1 “E6” Communication malfunction Possible cause: (1) Exception or incorrect connection of the communication cable; (2) Display error; (3) Mainboard error. Troubleshooting: E6 or communication error Check whether the Re-connect the...
  • Page 44 Gree SWIMMING POOL HEAT PUMP (R32) Check whether the air-in duct or Clear the duct or increase the water air-out duct is blocked or the water flow volume flow volume is not sufficient? Check whether the water Exceed the unit's operation range. The...
  • Page 45 Gree SWIMMING POOL HEAT PUMP (R32) 6.3 “E3” Low-pressure protection Possible cause: (1) Poor contact of low pressure switch; (2) Low pressure is too low; (3) Main board error. Troubleshooting: Check whether the air-in duct or Clear the duct or increase...
  • Page 46 Gree SWIMMING POOL HEAT PUMP (R32) 6.4 “E4” Discharge temperature protection Possible cause: (1) Discharge temperature sensor error; (2) Refrigerant leakage; (3) Insufficient refrigerant. Troubleshooting: Manually power off the unit and then power on again Wether the error can be...
  • Page 47 Gree SWIMMING POOL HEAT PUMP (R32) 6.5 “Ec” Water flow switch protection Possible cause: (1) Insufficient water flow; (2) Loose water flow switch wire; (3) Water flow switch fault. Troubleshooting: Check the pipeline and Check whether the water flow increase the water volume volume is too small? Reinstall it or replace it.
  • Page 48 Gree SWIMMING POOL HEAT PUMP (R32) 6.6 Mafunction of temperature sensor Error code: F3, F4, F6, Fd, F8, or F9 Possible cause: (1) Incorrect connection of temperature sensor; (2) Temperature sensor error; (3) Mainboard error. Troubleshooting: F3,F4,F6,Fd,F8 or F9 Check whether the temperature...
  • Page 49 Gree SWIMMING POOL HEAT PUMP (R32) 6.8 “PF” Electric Box Sensor Error Possible cause: (1) Poor contact between temperature sensor and terminal in mainboard interface; (2) Temperature sensor is abnormal; (3) Detecting circuit is abnormal. Troubleshooting: Note: Please refer to Appendix 1 for the relation between temperature and resistance of temperature sensor.
  • Page 50 Gree SWIMMING POOL HEAT PUMP (R32) 6.9 “H5” IPM Protection Possible reason: (1) Compressor 3-phase wire connection is lack of phase or phase-reversed; (2) System is overloaded and compressor current is too large; (3) Drive board IPM module is damaged;...
  • Page 51 Gree SWIMMING POOL HEAT PUMP (R32) 6.10 “H7” Driver Out-of-Step Protection Possible reason: (1) Compressor 3-phase wire connection is lack of phase or phased-reversed; (2) Compressor phase wire connection is bad; (3) System is blocked, short of refrigerant or compressor oil;...
  • Page 52 Gree SWIMMING POOL HEAT PUMP (R32) 6.11 “HC” PFC Protection Possible reason: (1) Power grid voltage is abnormal; (2) Drive board PFC module is damaged; (3) Drive board IPM module’s 15V power supply is lower than 13.5V; (4) Drive board PWM signal for PFC and the corresponding element are abnormal;...
  • Page 53 Gree SWIMMING POOL HEAT PUMP (R32) 6.12 “Lc” Startup Failure Possible reason: (1) Poor contact of compressor UVW wire; (2) Compressor is broken; (3) Compressor drive board is broken. Troubleshooting：...
  • Page 54 Gree SWIMMING POOL HEAT PUMP (R32) 6.13 “P0” Driver Reset Protection Possible reason: (1) 3.3V drive chip supply voltage drop; (2) TRST lead of JTAG programming is interrupted. Troubleshooting： P0 Driver reset protection 3.3V drive board voltage is normal or...
  • Page 55 Gree SWIMMING POOL HEAT PUMP (R32) 6.14 “P5” Over-Current Protection Possible reason: (1) System load is too much and compressor current is too large; (2) Compressor 3-phase wire connection is lack of phase or phase-reversed; (3) Compressor phase wire is loose or has bad contact;...
  • Page 56 Gree SWIMMING POOL HEAT PUMP (R32) 6.15 “P6” Master Control and Driver Communication Error Possible reason: (1) Communication wire between master control and driver is not well connected, or has bad contact, or is broken; (2) The switch power of drive board is abnormal, therefore, the 3.3V power voltage is abnormal;...
  • Page 57 Gree SWIMMING POOL HEAT PUMP (R32) 6.17 “P8” Driver Module High Temperature Protection Possible reason: (1) Thermal grease is not applied or not evenly applied to the module, or there is other substance on the back of the module; (2) The module securing screws are not tightened up;...
  • Page 58 Gree SWIMMING POOL HEAT PUMP (R32) 6.18 “PA” AC Current Protection Possible reason: (1) System is heavy-loaded and compressor current is too large; (2) Grid voltage is abnormal; (3) PFC module is damaged; (4) Drive board PFC current sampling circuit element is damaged or drive chip PFC current sampling AD terminal is abnormal.
  • Page 59 Gree SWIMMING POOL HEAT PUMP (R32) 6.20 “PL” Bus Low-Voltage Protection Possible reason: (1) Voltage of power grid is abnormal; (2) Drive board busbar voltage sampling circuit element is damaged or drive board busbar voltage sampling AD terminal is abnormal.
  • Page 60 Gree SWIMMING POOL HEAT PUMP (R32) 6.22 “PU” Charge Loop Error Possible reason: (1) Voltage of power grid is abnormal. Voltage is too low; (2) Drive board charge loop element is abnormal; (3) Drive board busbar voltage sampling circuit element is damaged or drive chip busbar voltage sampling AD terminal is abnormal.

  • Page 61: Removal Of Parts

    Gree SWIMMING POOL HEAT PUMP (R32) 7.Removal of Parts 7.1 Key Parts Photo Name Function Driven by the electric energy, the compressor compresses refrigerant high-temperature compressor high-pressure gas and enables the gas to flow circularly in the refrigerant. Volume of the low-pressure refrigerant decreases via Electronic compression.
  • Page 62 Gree SWIMMING POOL HEAT PUMP (R32) Photo Name Function It’s used for detecting the water flow and check whether Water flow the flow volume is satisfying the requirements for the switch normal operation of unit. 7.2 Removal of Key Parts 7.2.1 Removal operation for panel...
  • Page 63 Gree SWIMMING POOL HEAT PUMP (R32) Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconnected with the power, Completely open the bypass valve at the water pipeline, close the cut-off valve at the waterway, twist off the joints of inlet pipe and outlet pipe connected with the heat pump unit and then drain out the water inside the titanium tube heat exchanger.
  • Page 64 Gree SWIMMING POOL HEAT PUMP (R32) Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Loose screws fixing the motor with screwdriver; 3.Remove motor ●...
  • Page 65 Gree SWIMMING POOL HEAT PUMP (R32) 7.2.3 Removal operation for compressor Removal operation for compressor Remark: Before removing the compressor, please make sure that there’s no refrigerant inside the pipeline and the power is disconnected.Completely open the bypass valve at the water pipeline, close the cut-off valve at the waterway, twist off the joints of inlet pipe and outlet pipe connected with the heat pump unit and then drain out the water inside the titanium tube heat exchanger.
  • Page 66 Gree SWIMMING POOL HEAT PUMP (R32) 7.2.4 Removal operation for 4-way valve Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected, Completely open the bypass valve at the water pipeline, close the cut-off valve at the waterway, twist off the joints of inlet pipe and outlet pipe connected with the heat pump unit and then drain out the water inside the titanium tube heat exchanger.
  • Page 67 Gree SWIMMING POOL HEAT PUMP (R32) 7.2.5 Removal operation for electronic expansion valve Removal operation for electronic expansion valve Remark: Before removing the electronic expansion valve, please make sure that there’s no refrigerant in the pipeline of system and the power is disconnected,Completely open the bypass valve at the water pipeline, close the cut-off valve at the waterway, twist off the joints of inlet pipe and outlet pipe connected with the heat pump unit and then drain out the water inside the titanium tube heat exchanger.
  • Page 68 Gree SWIMMING POOL HEAT PUMP (R32) Removal operation for the titanium heat exchanger Remark: Before removing the titanium heat exchanger, please make sure that there’s no refrigerant inside the pipeline of system and disconnect the power, Completely open the bypass valve at the water pipeline, close the cut-off valve at the waterway, twist off the joints of inlet pipe and outlet pipe connected with the heat pump unit and then drain out the water inside the titanium tube heat exchanger.

  • Page 69: Exploded View Of Unit And Parts' List

    Gree SWIMMING POOL HEAT PUMP (R32) 8.Exploded View of Unit and Parts’ List 8.1 Exploed View and Parts’ List Exploded view...
  • Page 70 Gree SWIMMING POOL HEAT PUMP (R32) GRS-CP11Pd/NhA-K GRS-CP18Pd/NhA-K GRS-CP11Pd/NhA-S GRS-CP18Pd/NhA-S Product Code： Product Code： Name of Part ER02000180、ER02000190 ER02000170、ER02000200 Part Code Quantity Part Code Quantity Top cover 012049060208P 012049060207P Electric Box Assy 100002079068 100002078976 Radiator 43003406011803 43003406011606 Main Board 300027063117...

  • Page 71: Appendices

    Gree SWIMMING POOL HEAT PUMP (R32) APPENDICES 1.Resistance/Temperature Lists of Temperature Sensors 1.1 Voltage list of 15 kΩ temperature sensors Temperature (°C) Resistance (kΩ) Voltage (V) Temperature (°C) Resistance (kΩ) Voltage (V) 0.311 2.523 2.825 138.1 0.323 2.439 2.838 128.6 0.345...
  • Page 72 Gree SWIMMING POOL HEAT PUMP (R32) Temperature (°C) Resistance (kΩ) Voltage (V) Temperature (°C) Resistance (kΩ) Voltage (V) 8.642 2.094 0.456 3.203 5.997 2.125 0.444 3.205 7.653 2.185 0.433 3.207 7.352 2.215 0.422 3.21 7.065 2.243 0.412 3.212 6.791 2.272 0.401...
  • Page 73 Gree SWIMMING POOL HEAT PUMP (R32) Temperature Temperature Resistance (kΩ) Voltage (V) Resistance (kΩ) Voltage (V) (°C) (°C) 72.41 0.714 1.609 3.054 68.79 0.743 1.561 3.061 65.37 0.773 1.515 3.068 62.13 0.804 1.47 3.074 59.08 0.835 1.427 3.08 56.19 0.866 1.386...
  • Page 74 Gree SWIMMING POOL HEAT PUMP (R32) Temperature Temperature Resistance (kΩ) Voltage (V) Resistance (kΩ) Voltage (V) (°C) (°C) 4.773 2.664 0.3093 3.25 4.605 2.682 0.3024 3.251 4.443 0.2956 3.252 4.289 2.717 0.2891 3.253 4.14 2.734 1.3 Voltage list of 50 kΩ discharge temperature sensors...
  • Page 75 Gree SWIMMING POOL HEAT PUMP (R32) Temperature Temperature Resistance (kΩ) Voltage (V) Resistance (kΩ) Voltage (V) (°C) (°C) 51.408 0.537 2.1816 2.709 49.191 0.558 2.1242 2.722 47.082 0.578 2.0686 2.734 45.074 0.599 2.0148 2.747 43.163 0.621 1.9626 2.759 41.313 0.643 1.9123...

  • Page 76: Temperature/Pressure List Of Refrigerant

    Gree SWIMMING POOL HEAT PUMP (R32) 2.Temperature/Pressure List of Refrigerant Pressure Temperature Pressure Temperature Pressure Temperature °C °C °C -51.909 1250 14.153 2400 38.688 -43.635 1300 15.52 2450 39.529 -37.323 1350 16.847 2500 40.358 -32.15 1400 18.138 2550 41.173 -27.731 1450 19.395...
  • Page 77 JF00305354...

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