Gree GRS-CQ4.0PdG/NhH3-E Installer Manual
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Gree GRS-CQ4.0PdG/NhH3-E Installer Manual

Gree GRS-CQ4.0PdG/NhH3-E Installer Manual

Versati air-to-water split heat pump
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Change for life
Installer's Manual
Original Instructions
Air Conditioners
Versati Air-to-water Split Heat Pump
Models:
GRS-CQ4.0PdG/NhH3-E
GRS-CQ6.0PdG/NhH3-E
GRS-CQ8.0PdG/NhH3-E
GRS-CQ10PdG/NhH3-E
GRS-CQ12PdG/NhH3-E
GRS-CQ14PdG/NhH3-E
GRS-CQ12PdG/NhH3-E1
GRS-CQ14PdG/NhH3-E1
GRS-CQ16PdG/NhH3-E1
GRS-CQ8.0PdG/NhH3-M
GRS-CQ10PdG/NhH3-M
GRS-CQ12PdG/NhH3-M
GRS-CQ14PdG/NhH3-M
GRS-CQ12PdG/NhH3-M1
GRS-CQ14PdG/NhH3-M1
GRS-CQ16PdG/NhH3-M1
SPLIT
TYPE

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Summary of Contents for Gree GRS-CQ4.0PdG/NhH3-E

  • Page 1 SPLIT TYPE Change for life Installer's Manual Original Instructions Air Conditioners Versati Air-to-water Split Heat Pump Models: GRS-CQ4.0PdG/NhH3-E GRS-CQ16PdG/NhH3-E1 GRS-CQ6.0PdG/NhH3-E GRS-CQ8.0PdG/NhH3-M GRS-CQ8.0PdG/NhH3-E GRS-CQ10PdG/NhH3-M GRS-CQ10PdG/NhH3-E GRS-CQ12PdG/NhH3-M GRS-CQ12PdG/NhH3-E GRS-CQ14PdG/NhH3-M GRS-CQ14PdG/NhH3-E GRS-CQ12PdG/NhH3-M1 GRS-CQ12PdG/NhH3-E1 GRS-CQ14PdG/NhH3-M1 GRS-CQ14PdG/NhH3-E1 GRS-CQ16PdG/NhH3-M1...
  • Page 2 To Users Thank you for selecting Gree’s product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our...

  • Page 3: Table Of Contents

    Contents Safety Notices (Please be sure to abide ) ..............1 1. Operating Principle ....................7 2. Product Data ......................7 2.1 Main Unit ...........................7 2.2 Cicurlation Water ......................9 3. Installation........................ 10 3.1 Safety Precautions ......................10 3.2 Requirements on Installation Location ................11 3.3 Field Supplied Pipes, Valves and Service Tools .............12 3.4 Precautions for Installation ....................13 3.5 Installaiton Space ......................13...
  • Page 4 5.12 Force mode ........................61 5.13 Gate-Ctrl........................62 5.14 C/P limit (Current Limit/ Power Limit) ................62 5.15 Address .........................63 5.16 Refri. recovery (Refrigerant Recovery) .................64 5.17 Tank heater ........................64 5.18 Gate-Ctrl memory ....................65 5.19 3-Way valve1 .......................65 5.20 Hot water control mode ....................65 5.21 SG (Smart grid) ......................65 5.22 Cool control mode ......................66 5.23 Heat control mode ......................66...

  • Page 5: Safety Notices (Please Be Sure To Abide )

    Air-to-water Heat Pump Split Versati SPLIT TYPE Safety Notices (Please be sure to abide ) WARNING: If not abide strictly, it may cause severe damage to the unit or the people. NOTE: If not abide strictly, it may cause slight or medium damage to the unit or the people.
  • Page 6 Air-to-water Heat Pump Split Versati SPLIT TYPE WARNING Once abnormality Don't operate the unit with Before likeburning smell occurs, wet hand. installation,please see please cut off the power if the voltage of local supply immediately and place accords with then contact with service that on nameplate center.
  • Page 7 Air-to-water Heat Pump Split Versati SPLIT TYPE Before cleaning please cut The power supply must User can not change off the power supply. adopt special circuit with power cord socket leakage switch and enough without prior consent. capacity. Wiring working must be done by professionals.
  • Page 8 Air-to-water Heat Pump Split Versati SPLIT TYPE Don't step on the top of the Never block the air inlet and Keep pressurized unit or place anything on it. outlet of unit. spray, gas holder and so on away from the unit above 1m .
  • Page 9 Air-to-water Heat Pump Split Versati SPLIT TYPE WARNING Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Should repair be necessary, contact your nearest authorized service centre. Any repairs carried out by unqualified personnel may be dangerous.
  • Page 10 Air-to-water Heat Pump Split Versati SPLIT TYPE To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The used refrigerant is the fluoride R32, which is specially cleaned.The refrigerant is flammable and inodorous. Furthermore, it can leads to explosion under certain conditions.

  • Page 11: Operating Principle

    (a) Water mixing accessories are optional parts. When they are required, please contact the manufacturer.The diagram above is just for reference and actual installation depends on the project’s field. 2. Product Data 2.1 Main Unit 2.1.1 Nomenclature Description Options GREE G-GREE Air to Water Heat Pump Heating Mode S= Static; C=Circulating Function Q=Multi-function; Omit=Single-function Nominal Heating Capacity 10=10kW;...
  • Page 12 Air-to-water Heat Pump Split Versati SPLIT TYPE 2.1.2 Operation Range Temperature Range Mode Heat Source Side Temperature (°C) User Side Temperature (°C) Heating -30~35 20~65 Cooling -15~48 5~25 Water Heating -30~45 40~80 Maximum and Minimum Water Operating Temperatures Minimum water operating Maximum water operating Item temperatures(°C)

  • Page 13: Cicurlation Water

    Air-to-water Heat Pump Split Versati SPLIT TYPE 2.2 Cicurlation Water 2.2.1 Temperature Sensor Parameter Nominal working datas Displayed Name Range Remark Cooling Heating Hot water T-outdoor -40~150 8~50 -35~37 -27~45 temperature sensor resistance 15K T-suction -40~150 5~30 -35~20 -25~30 temperature sensor resistance 20K T-discharge -30~150 30~102...

  • Page 14: Installation

    • Do not connect to power until all installation work is completed. WARNING • Installation should be performed by GREE appointed servicemen, or improper installation would lead to unusual operation, water leakage, electric shock or fire hazard. • The unit should be installed on the foundation which is capable of supporting the unit, or the unit would fall off or even lead to personal injury.

  • Page 15: Requirements On Installation Location

    Air-to-water Heat Pump Split Versati SPLIT TYPE SAFETY • Always use safety outfits at the construction site. • No smoking and no drunken operation are allowed at the construction site. • Wear no gloves and tighten the cuff when operating the machinery and electrical equipment. Do not maintain it during operation.

  • Page 16: Field Supplied Pipes, Valves And Service Tools

    Air-to-water Heat Pump Split Versati SPLIT TYPE If turn the air outlet side toward the building's wall, fence or screen. Make sure there is enough room to do the installation. 3.2.3 Cold Climate Installation In cold climate locations installation should take account of the following considerations: (1) Never install the unit at a site where the suction side may be exposed directly to wind.

  • Page 17: Precautions For Installation

    Air-to-water Heat Pump Split Versati SPLIT TYPE 3.4 Precautions for Installation 3.4.1 Precautions for Installation of Outdoor Units (1) When moving outdoor unit, it is necessary to adopt 2 pieces of long enough rope to hand the unit from 4 directions.
  • Page 18 Air-to-water Heat Pump Split Versati SPLIT TYPE Notes: (a) For areas with frequent snowfall, please clean up the snow in time to avoid covering unit. (b) The unit is installed in areas expecting snow are suggested to be raised with support frames. (c) If possible, avoid locations that are likely to accumulate snow.
  • Page 19 Air-to-water Heat Pump Split Versati SPLIT TYPE 3.5.2 Installation Space for Indoor Units 600mm Wall Wall Wall Wall Service Space Note NOTE • While lifting the indoor unit, at least two persons should be joined. Weight of the indoor unit is more than 50kg. •...

  • Page 20: Connection Of The Refrigerant System

    Air-to-water Heat Pump Split Versati SPLIT TYPE (4) As shown in the figure below, the drain connector is located at the right lower side of the unit. The user is needed to connect the drain pipe to the drain connector for guiding water out. 3.6 Connection of the Refrigerant System 3.6.1 Installation Procedures Installation of the refrigerant piping system should proceed in the following order:...
  • Page 21 Air-to-water Heat Pump Split Versati SPLIT TYPE (2) Tighten the flaring nuts with torque wrench until you hear a “click”. (3) Bend of fitting pipe shall not be too low; otherwise the fitting pipe might crack. Please use pipe bender when bending the fitting pipe.
  • Page 22 Air-to-water Heat Pump Split Versati SPLIT TYPE WARNING • Only dry nitrogen should be used for gastightness testing. Oxygen, air, flammable gases and toxic gases must not be used for gastightness testing. Use of such gases may result in fire or explosion. (2) Procedure The gastightness test procedure is as follows: Step 1...
  • Page 23 Air-to-water Heat Pump Split Versati SPLIT TYPE (2) Check the liquid valve and the gas valve of the outdoor unit. The valves shall be completely shut off. (3) Connect a vacuum pump to the liquid valve and the gas valve of the outdoor unit to remove air from the inside of the indoor unit and the connecting pipe.
  • Page 24 Air-to-water Heat Pump Split Versati SPLIT TYPE Flushing shall be achieved by breaking the vacuum in the system with OFN and continuing to fill 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.
  • Page 25 Air-to-water Heat Pump Split Versati SPLIT TYPE 3.6.7 Size of Connection Pipes and Additional Refrigerant Required Pipe size Length B Elevation A Additional refrigerant (Diameter:Φ) Model (g/m) Liquid Standard Max. Standard Max. GRS-CQ4.0PdG/NhH3-E GRS-CQ6.0PdG/NhH3-E GRS-CQ8.0PdG/NhH3-E GRS-CQ10PdG/NhH3-E GRS-CQ12PdG/NhH3-E GRS-CQ14PdG/NhH3-E GRS-CQ12PdG/NhH3-E1 GRS-CQ14PdG/NhH3-E1 GRS-CQ16PdG/NhH3-E1...
  • Page 26 Air-to-water Heat Pump Split Versati SPLIT TYPE Notes (a) No additional charge of the refrigerant is need when the pipe length is less than 10m, if the pipe length is longer than 10m, additional charge of the refrigerant is needed according to the table. (b) For 4kW and 6kW units, the size of the liquid line is defaulted to be 1/4, if the distance between the indoor and outdoor unit is or larger than 10m, the liquid line should be sized up to 3/8 and additional 50g/m refrigerant is required.

  • Page 27: Curves And Data For The Water Pump And Expansion Vessel

    Air-to-water Heat Pump Split Versati SPLIT TYPE 3.7 Curves and Data for the Water Pump and Expansion Vessel 3.7.1 External lift curves of water pumps (1) Single-phase 4kW and 6kW units with the Wilo water pump (2) Single-phase 4kW and 6kW units with the Shinhoo water pump...
  • Page 28 Air-to-water Heat Pump Split Versati SPLIT TYPE (3) Single-fan 8kW and 10kW units with the Wilo Pump (4) 12kW and 14kW units with the Wilo Pump...
  • Page 29 Air-to-water Heat Pump Split Versati SPLIT TYPE (5) 8kW, 10kW, 12kW, 14kW and 16kW units with the Shinhoo Pump Note See the curve above for the maximum external static pressure. The water pump is of variable frequency. And during operation, the water pump will adjust its output based on the actual load. 3.7.2 Water volume and expansion vessel pressure Notes (a) The expansion vessel is 10 liter and 1bar pre-pressurized;...
  • Page 30 Air-to-water Heat Pump Split Versati SPLIT TYPE 3.7.3 Selection of expansion vessel Formula: V--- Volume of expansion vessel C--- Total water volume --- Pre-set pressure of expansion vessel -- The highest pressure during running of the system (that is the action pressure of safety valve.) e---The expansion factor of water (the difference between the expansion factor of the original water temperature and that of highest water temperature.) Water expansion factor in different temperature...

  • Page 31: Electric Wiring Work

    Power supply switch area of earth wire of power supply Model wire V,Ph,Hz GRS-CQ8.0PdG/NhH3-M(O) GRS-CQ10PdG/NhH3-M(O) GRS-CQ8.0PdG/NhH3-M(I) GRS-CQ10PdG/NhH3-M(I) GRS-CQ12PdG/NhH3-M(O) 400V,3N~50Hz GRS-CQ14PdG/NhH3-M(O) GRS-CQ16PdG/NhH3-M(O) GRS-CQ12PdG/NhH3-M(I) GRS-CQ14PdG/NhH3-M(I) GRS-CQ16PdG/NhH3-M(I) GRS-CQ4.0PdG/NhH3-E(O) GRS-CQ6.0PdG/NhH3-E(O) GRS-CQ8.0PdG/NhH3-E(O) GRS-CQ10PdG/NhH3-E(O) GRS-CQ12PdG/NhH3-E(O) GRS-CQ14PdG/NhH3-E(O) GRS-CQ16PdG/NhH3-E(O) 230V,~50Hz GRS-CQ4.0PdG/NhH3-E(I) GRS-CQ6.0PdG/NhH3-E(I) GRS-CQ8.0PdG/NhH3-E(I) GRS-CQ10PdG/NhH3-E(I) GRS-CQ12PdG/NhH3-E(I) GRS-CQ14PdG/NhH3-E(I) GRS-CQ16PdG/NhH3-E(I)
  • Page 32 Air-to-water Heat Pump Split Versati SPLIT TYPE Notes (a) Leakage Switch is necessary for additional installation. If circuit breakers with leakage protection are in use, action response time must be less than 0.1 second, leakage circuit must be 30mA. (b) The above selected power cable diameters are determined based on assumption of distance from the distribution cabinet to the unit less than 75m.
  • Page 33 Air-to-water Heat Pump Split Versati SPLIT TYPE 3.8.3 Control Boards (1) Main board 1 GRS-CQ4.0PdG/NhH3-E GRS-CQ6.0PdG/NhH3-E GRS-CQ8.0PdG/NhH3-E GRS-CQ10PdG/NhH3-E GRS-CQ12PdG/NhH3-E GRS-CQ14PdG/NhH3-E GRS-CQ12PdG/NhH3-E1 GRS-CQ14PdG/NhH3-E1 GRS-CQ16PdG/NhH3-E1 GRS-CQ8.0PdG/NhH3-M GRS-CQ10PdG/NhH3-M GRS-CQ12PdG/NhH3-M GRS-CQ14PdG/NhH3-M GRS-CQ12PdG/NhH3-M1 GRS-CQ14PdG/NhH3-M1 GRS-CQ16PdG/NhH3-M1 Silk Screen Introduction Power supply Power supply...
  • Page 34 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction To the ground Communication with the unit DC12V for Anode Communication with control panel CN18 Build-in water pump signal(PWM) CN19 Back-up water pump signal(PWM)-field supply 20K temperature sensor (inlet water);20K temperature sensor (outlet water);20K temperature sensor CN15 (refrigerant liquid line) 20K temperature sensor (refrigerant vapor line);10K temperature sensor (leaving water for the optional...
  • Page 35 Air-to-water Heat Pump Split Versati SPLIT TYPE (2) Main board 2 GRS-CQ4.0PdG/NhH3-E GRS-CQ6.0PdG/NhH3-E GRS-CQ8.0PdG/NhH3-E GRS-CQ10PdG/NhH3-E GRS-CQ12PdG/NhH3-E GRS-CQ14PdG/NhH3-E GRS-CQ12PdG/NhH3-E1 GRS-CQ14PdG/NhH3-E1 GRS-CQ16PdG/NhH3-E1 GRS-CQ8.0PdG/NhH3-M GRS-CQ10PdG/NhH3-M GRS-CQ12PdG/NhH3-M GRS-CQ14PdG/NhH3-M GRS-CQ12PdG/NhH3-M1 GRS-CQ14PdG/NhH3-M1 GRS-CQ16PdG/NhH3-M1...
  • Page 36 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction AC-L Power supply Power supply 4-way valve VA-1 E-heater of chassis HEAT Electric heating tape 1, 2, 3, 4 signals, 5 power supply to EXV2, pipe electronic expansion valve,1-4 pin: driving impulse output;...
  • Page 37 Air-to-water Heat Pump Split Versati SPLIT TYPE (3) Drive board GRS-CQ4.0PdG/NhH3-E GRS-CQ6.0PdG/NhH3-E GRS-CQ8.0PdG/NhH3-E GRS-CQ10PdG/NhH3-E Silk Screen Introduction DC-BUS1 DC-BUS1 Pin for electric discharge of the high-voltage bar during test POWER-OUT Open DC link voltage Power input of the drive board [1-310V,3-GND]...
  • Page 38 Air-to-water Heat Pump Split Versati SPLIT TYPE (4) Drive board GRS-CQ12PdG/NhH3-E GRS-CQ14PdG/NhH3-E GRS-CQ12PdG/NhH3-E1 GRS-CQ14PdG/NhH3-E1 GRS-CQ16PdG/NhH3-E1 Silk Screen Introduction AC-L Live line input of the drive board Neutral line input of the drive board L1-1 To PFC inductor brown line L1-2 To PFC inductor white line L2-1 To PFC inductor yellow line...
  • Page 39 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction DC-BUS the other end to the filter board Power input of the drive board [1-310V,3-GND] DC-BUS1 Pin for electric discharge of the high-voltage bar during test (5) Drive board GRS-CQ8.0PdG/NhH3-M GRS-CQ10PdG/NhH3-M GRS-CQ12PdG/NhH3-M GRS-CQ14PdG/NhH3-M...
  • Page 40 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction Connector to reactor (input) Connector to filter L1-F Connector to filter L2-F Connector to filter L3-F COMM1 Reserved,not used COMM Communication interface[1-3.3V,2-RX,3-TX,4-GND] Switch power input (6) Filter board GRS-CQ12PdG/NhH3-E GRS-CQ14PdG/NhH3-E GRS-CQ12PdG/NhH3-E1 GRS-CQ14PdG/NhH3-E1 GRS-CQ16PdG/NhH3-E1...
  • Page 41 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction AC-L Live line input of the main board Neutral line of the power supply for the main board L-OUT Live line output of the filter board (to the drive and main boards) N-OUT Neutral line output of the filter board (to the drive board) N-OUT1...
  • Page 42 Air-to-water Heat Pump Split Versati SPLIT TYPE Silk Screen Introduction AC-L1 Input side phase L1 of the whole unit AC-L2 Input side phase L2 of the whole unit AC-L3 Input side phase L3 of the whole unit Input side neutral line of the whole unit L1-F L2-F Connect to the power supply input of the drive board...
  • Page 43 Air-to-water Heat Pump Split Versati SPLIT TYPE 3.8.4 Terminal Boards (1) Single-phase units...
  • Page 44 Air-to-water Heat Pump Split Versati SPLIT TYPE (2) 3-phase units...
  • Page 45 Air-to-water Heat Pump Split Versati SPLIT TYPE (3) Water tank auxiliary electric heater It is used to heat the water tank when the heating capaicty of the heat pump is poor. (4) Gate-controller If there is gate control function, the gate-controller should be wired as shown in the figure below. (5) Thermostat Installation of the thermostat is very similar to that of the remote air temperature sensor.
  • Page 46 Air-to-water Heat Pump Split Versati SPLIT TYPE General Information Type Power Operating Mode Supported Closing water flow NO 2-wire 230V 50Hz ~AC Opening water flow Closing water flow NC 2-wire 230V 50Hz ~AC Opening water flow 1) Normal Open type. When electric power is NOT supplied, the valve is open. (When electric power is supplied, the valve is closed.) 2) Normal Closed type.
  • Page 47 Air-to-water Heat Pump Split Versati SPLIT TYPE Step 1. Other thermal installation Step 2. Electric wiring work Other thermal L and N connect to XT3~12,20. 12 20 Other Thermal Optional water temperature sensor connecet to AP1 CN16. Optional water temperature sensor CN16 Step 3.
  • Page 48 Air-to-water Heat Pump Split Versati SPLIT TYPE (10) Water heating It is for the external hot water and works when the thermostat is set to “Air+Hot water 2”. (11) SG (Smart grid) SG function introduction: A heat pump with SG Ready function can be accessed by a smart grid through a defined interface for grid load management.

  • Page 49: Commissioning

    Air-to-water Heat Pump Split Versati SPLIT TYPE 4. Commissioning 4.1 Check for the Communication System When the unit is powered on, check for the communication system, including: communication between AP1 and AP2, between the wired controller and the main board. When there is unusual communication, this error will be displayed at the wired controller.

  • Page 50: Check For Wiring

    Air-to-water Heat Pump Split Versati SPLIT TYPE Tap water Domestic hot water Gas pipe Return water Liquid pipe Supply water Communication cable 4.3 Check for Wiring NOTE • Do not check for the power supply unless proper checkout equipment has prepared and preventive measures have been taken, otherwise it would lead to severe injury.
  • Page 51 Air-to-water Heat Pump Split Versati SPLIT TYPE Presence of fire extinguisher If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO2 fire extinguisher adjacent to the charging area.
  • Page 52 Air-to-water Heat Pump Split Versati SPLIT TYPE Installation of the Water Tank Safety Valve Pressure of the water tank will gradually increase during heating and a safety valve is required to discharge some water for pressure relief. If not or installed incorrectly, it would cause the water tank to expand, to be deformed, to be damaged or even lead to personal injury.

  • Page 53: Test Run

    Air-to-water Heat Pump Split Versati SPLIT TYPE 4.5 Test Run 4.5.1 Check before startup For safety of users and unit, the unit must be started up for check before debugging. The procedures are as below: The following items shall be performed by qualified repair persons. Confirm together with the sales engineer, dealer, installing contractor and customers for the following items finished or to be finished.
  • Page 54 Air-to-water Heat Pump Split Versati SPLIT TYPE 4.5.2 Test run Test run is testing whether the unit can run normally via preoperation. If the unit cannot run normally, find and solve problems until the test run is satisfactory. All inspections must meet the requirements before performing the test run.

  • Page 55: Error Codes

    Air-to-water Heat Pump Split Versati SPLIT TYPE 4.6 Error Codes Full Name Displayed Name Error Code Ambient temperature sensor error Ambient sensor Defrosting temperature sensor error Defrost sensor Discharge temperature sensor error Discharge sensor Suction temperature sensor error Suction sensor Economizer inlet temperature sensor Econ.

  • Page 56: Requirements On Water Quality

    Air-to-water Heat Pump Split Versati SPLIT TYPE Full Name Displayed Name Error Code Radiator or IPM or PFC over-temperature Overtemp.-mod. Radiator or IPM or PFC temperature sensor error T-mod. sensor Charging circuit error Charge circuit AC input voltage error AC voltage Ambient temperature sensor error at the drive board Temp-driver AC contactor protection or input over-zero error...
  • Page 57 Air-to-water Heat Pump Split Versati SPLIT TYPE [Notes] ●At the commissioning parameter setting page, when the state of any function changes, the system will automatically save this change and this change will remain upon power failure. ●Do not modify any commissioning parameter except the approved qualified servicemen, as it would give birth to adverse effects to the main unit.

  • Page 58: Ctrl. State

    Air-to-water Heat Pump Split Versati SPLIT TYPE Item Range Default Description This setting is allowed when the water tank is Tank heater Logic 1/Logic 2 Logic 1 available and the control panel is OFF. Gate-Ctrl. On/Off When it is set to “Current limit” or “Power limit”, sub-parameters stated as below can be set.

  • Page 59: 2-Way Valve

    Air-to-water Heat Pump Split Versati SPLIT TYPE [Notes] ●When “Remote sensor” is set to “With”, this setting can be set to “T-water out” or “T-room”. When “Remote sensor” is set to “Without”, this setting can only be set to “T-water out”. ●...

  • Page 60: Water Tank

    Air-to-water Heat Pump Split Versati SPLIT TYPE 5.4 Water tank [Operation Instructions] At the commissioning parameter setting page, by touching “Water tank”, the control panel will go to the corresponding setting page, where “Water tank” can be set to “With" or "Without". When domestic hot water is required, “Water tank”...

  • Page 61: Other Thermal

    Air-to-water Heat Pump Split Versati SPLIT TYPE ●This setting will be memorized upon power failure. Note: when the main unit is under the control of the thermostat, the operation mode set at the control panel varies with the thermostat, that is, the actual operation status of the main unit, as shown in the table below. Once the thermostat is disabled, restart the main unit after check if the operation mode set at the control panel is expected or not.
  • Page 62 Air-to-water Heat Pump Split Versati SPLIT TYPE Logic 1 1.The set point of other thermal should be equal to that of “WOT-Heat” in “Heat” mode and “Heat + hot water” mode; The set point should be the smaller one between “T-Water tank” +5°C and 60°C in “Hot water” mode. 2.The water pump for other thermal must be always active under the “Heat”...

  • Page 63: Optional E-Heater

    Air-to-water Heat Pump Split Versati SPLIT TYPE Other Thermal Control Product Mode Remark Required accessories Heat Available RT5 temperature sensor Hot water Available Extra 3-way valve, water tank sensor Monobloc Heat+Hot Extra 3-way vlave,RT5 temperature sensor, Available water Water tank sensor Heat Available RT5 temperature sensor...

  • Page 64: Remote Sensor

    Air-to-water Heat Pump Split Versati SPLIT TYPE ●Optional E-Heater and water tank heater won't be started together. 5.8 Remote sensor [Operation Instructions] At the commissioning parameter setting page, by touching “Remote sensor”, the control panel will go to the corresponding setting page, where it can be set to “With” or “Without”. [Notes] ●This setting will be memorized upon power failure.

  • Page 65: Manual Defrost

    Air-to-water Heat Pump Split Versati SPLIT TYPE Full Name Displayed Name Range Default Accuracy Floor debug switch Floor debug On/Off Quantity of segments Segments 1~10 Temperature of the first 25~35°C/ 25°C/ Period 1 temp 1°C segment 77~95°F 77°F Duration of each segment Segment time 12~72 hours 12 hours...

  • Page 66: Gate-Ctrl

    Air-to-water Heat Pump Split Versati SPLIT TYPE [Notes] ●This function is allowed only when the control panel has just repowered and not turned on. For the main unit which once has been put into operation, this function is unavailable, alerting “Wrong operation!”. ●It will not be memorized upon power failure.

  • Page 67: Address

    Air-to-water Heat Pump Split Versati SPLIT TYPE Parameter Description (1) when a water tank with a standard electric heater is supplied by the manufacturer, the power of the electric heater is not required to be input but is Tank heater power automatically identified by the main board.

  • Page 68: Refri. Recovery (Refrigerant Recovery)

    Air-to-water Heat Pump Split Versati SPLIT TYPE 5.16 Refri. recovery (Refrigerant Recovery) [Operation Instructions] At the commissioning parameter setting page, by touching “Refri. recovery”, it will go to the refrigerant recovery page. This function can be used for maintaining the heat pump. When “Refri.

  • Page 69: Gate-Ctrl Memory

    Air-to-water Heat Pump Split Versati SPLIT TYPE 5.18 Gate-Ctrl memory [Operation Instructions] At the commissioning parameter setting page, by touching "Gate-Ctrl Memory”, it will go to the setting page. [Notes] ●When it is enabled, "Gate-Ctrl" will be memorized upon power failure. ●When it is disabled, "Gate-Ctrl"...

  • Page 70: Cool Control Mode

    Air-to-water Heat Pump Split Versati SPLIT TYPE 5.22 Cool control mode When it has been activated, it will limit the highest frequency of the compressor for cooling operation. 5.23 Heat control mode When it has been activated, it will limit the highest frequency of the compressor for heating operation. 5.24 Lowest speed limit of the Water Pump (LSWP enable) It functions to limit the lowest water pump speed to prevent the main unit from alarming for a flow switch fault.

  • Page 71: Information On Servicing

    Air-to-water Heat Pump Split Versati SPLIT TYPE Full Name Display Name Range Default Compressor operating frequency at the Quiet Comp-freq quiet cool 35~120Hz It varies for different models. mode for cool Fan speed at the Quiet Fan speed quiet cool It varies for different models.

  • Page 72: Decommissioning

    Air-to-water Heat Pump Split Versati SPLIT TYPE Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery machine, check that it is in satisfactory working order, has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release.

  • Page 73: Handling Of The Unit

    Air-to-water Heat Pump Split Versati SPLIT TYPE (6) Fully close the ball valve on the gas pipe side of the outdoor unit when the pressure gauge on the gauge manifold shows 0.05 to 0 MPa [Gauge] (approx. 0.5 to 0 kgf/cm²) and quickly stop the air conditioner. When “Refri.
  • Page 74 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 global@cn.gree.com www.gree.com...

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