Gree GRS-CQ16Pd/NaB-K Owner's Manual

Gree GRS-CQ16Pd/NaB-K Owner's Manual

Air-to-water heat pump

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Air-to-water Heat Pump
Owner's Manual
Commercial Air Conditioners
Thank you for choosing Commercial Air Conditioners ,please read this
owner's manual carefully before operation and retain it for future reference.

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Summary of Contents for Gree GRS-CQ16Pd/NaB-K

  • Page 1 Change for life Air-to-water Heat Pump Owner's Manual Commercial Air Conditioners Thank you for choosing Commercial Air Conditioners ,please read this owner’s manual carefully before operation and retain it for future reference.
  • Page 2: Table Of Contents

    Contents 1 Instruction to Users..................1 2 Safety Considerations ................2 3 Diagram of the Operating Principle ............4 4 Operating Principle of the Unit..............4 5 Nomenclature ..................6 6 Installation Example ................7 7 Main Components ..................9 7.1 Indoor unit ....................9 7.2 Outdoor unit ................... 10 8 Installation Guideline of the Unit ............
  • Page 3 11 Remote Air Temperature Sensor ............20 12 Thermostat ..................21 13 2-Ways Valve ..................21 14 3-Way Valve..................22 15 Other Auxiliary Heat Sources .............23 16 Gate-controller ...................23 17 Filling of Refrigerant ................23 18 Installation of Insulated Water Tank ............24 18.1 Installation measure ................24 18.2 Outline dimension and parameter of water tank ........
  • Page 4: Instruction To Users

    Air-to-water Heat Pump 1 Instruction to Users Thank you for choosing our Air to water Heat Pump. Please read this manual carefully before installation and use the unit correctly according to the following procedure. After receipt of the unit, check it for appearance, unit model compared with your desire and ◆...
  • Page 5: Safety Considerations

    Air-to-water Heat Pump 2 Safety Considerations Please read the following contents carefully before operating. WARNING ■ Once abnormality like burning ■ Don't operate the unit with wet ■ Before installation,please smell occurs, please cut off hand. see if the voltage of local the power supply immediately place accords with that on and then contact with service...
  • Page 6 Air-to-water Heat Pump ■ Earthing: the unit must be ■ N e v e r i n s e r t a n y f o r e i g n ■ Don't attempt to repair the unit earthed reliably ! The earthing m a t t e r i n t o u i n t t o a v o i d by yourself.
  • Page 7: Diagram Of The Operating Principle

    Air-to-water Heat Pump (3) Don’t operate the unit with wet hand, and don’t allow children to operate the unit. (4) The On/off in the instruction is for the operation to on and off button of PCB for users; cut off power means to stop supplying power to the unit.
  • Page 8 Air-to-water Heat Pump (6) Emergency mode; (7) Quick water heating; (8) Holiday mode; (9) Forced Operation Mode; (10) Silent mode; (11) Disinfection mode; (12) Weather-dependent Operation; (13) Floor debugging (14) Air removal of the water system Cooling: in cooling mode, the refrigerant is condensed in the outdoor unit and evaporated in the indoor unit.
  • Page 9: Nomenclature

    Air removal of the water system: this function is intended to replenish water and remove air in the water system to make the equipment run at the stabilized water pressure. 5 Nomenclature Description Options GREE G-GREE Air to water heat pump Heat Pump Water Heater Heating Mode S= Static; C=Circulating Function Q=Multi-function; Omit=Single-function Nominal Heating Capacity 6=6.0kW;...
  • Page 10: Installation Example

    Air-to-water Heat Pump 6 Installation Example CASE 1: Connecting Under-floor Coil for Heating and Cooling Under- floor coil Indoor Outdoor By-pass value(Fi e ld supply) Shut off value Remote room Thermostat(Field supply) High temperature line Low temperature line Note: ① Type of thermostat and specification should be complied with installation of this manual; ②...
  • Page 11 Air-to-water Heat Pump Note: ① In this case, three-way valve should be installed and should be complied with installation of this manual; ② Sanitary water tank should be equipped with internal electric heater to to secure enough heat energy in the very cold days; CASE 3 : Connecting Sanitary Water Tank and Heat Emitters for Heating and Cooling Under-floor coil Radiator...
  • Page 12: Main Components

    Air-to-water Heat Pump 7 Main Components 7.1 Indoor unit GRS-CQ12Pd/NaB-K(I), GRS-CQ14Pd/NaB-K(I), GRS-CQ16Pd/NaB-K(I), GRS-CQ12Pd/NaB-M(I), GRS-CQ14Pd/NaB-M(I), GRS-CQ16Pd/NaB-M(I) External Safety Valve Air Vent Electric Heater Plate Heat Exchanger Expansion Tank Control Box Water Pump Control Panel Water Pressure Gage Flow Switch Internal...
  • Page 13: Outdoor Unit

    Air-to-water Heat Pump 7.2 Outdoor unit GRS-CQ12Pd/NaB-K(O), GRS-CQ14Pd/NaB-K(O), GRS-CQ16Pd/NaB-K(O), GRS-CQ12Pd/NaB-M(O), GRS-CQ14Pd/NaB-M(O), GRS-CQ16Pd/NaB-M(O) External Control Box DC Fan Motor Compressor Internal...
  • Page 14: Installation Guideline Of The Unit

    (5) Install at a well-ventilated place, so that the machine can absorb and discharge sufficient air. (6) Do not install at a place where flammable or explosive goods exist or a place subject to severe dust, salty fog and polluted air. 8.2.2 Outline dimension of outdoor unit GRS-CQ12Pd/NaB-K(O), GRS-CQ14Pd/NaB-K(O), GRS-CQ16Pd/NaB-K(O),GRS-CQ12Pd/NaB- M(O), GRS-CQ14Pd/NaB-M(O), GRS-CQ16Pd/NaB-M(O)
  • Page 15: Installation Of Indoor Unit

    Air-to-water Heat Pump Description: Unit: inch Name Remarks Liquid-side Service Valve GRS-CQ12/14/16Pd/NaB-K,GRS-CQ12/14/16Pd/NaB-M Gas-side Service Valve GRS-CQ12/14/16Pd/NaB-K,GRS-CQ12/14/16Pd/NaB-M Handle Used to cover or uncover the front case Air discharge Grill 8.2.2 Space requirements for installation 2000 > 8.2.3 Precautions on installation of outdoor unit (1) When moving outdoor unit, it is necessary to adopt 2 pieces of long enough rope to hand the unit from 4 directions.
  • Page 16: Install Process Of Indoor Unit

    Air-to-water Heat Pump 9.2 Install process of indoor unit Step1:Drilling hole on the wall in the following draw. expansion bolt hole unit outline Step2:Releasing screws, detach front cover from the indoor unit.
  • Page 17: Outline Dimension Of Indoor Unit

    Air-to-water Heat Pump Step3: Attaching indoor unit to the wall make use of accessory expansion bolt. Expansion bolt Install wall CAUTION! ① While lifting the indoor unit, at least two persons should be joined. Weight of the indoor unit is more than 50kg.
  • Page 18: Space Requirements For Installation

    Air-to-water Heat Pump Description: Uint: inch Name Remarks Leaving Water Pipe 1″Male BSP Returning Water Pipe 1″Male BSP Gas-side Pipe GRS-CQ12/14/16Pd/NaB-K,GRS-CQ12/14/16Pd/NaB-M Liquid-side Pipe GRS-CQ12/14/16Pd/NaB-K,GRS-CQ12/14/16Pd/NaB-M 9.4 Space requirements for installation 1300 Service Space 9.5 Precautions on installation of indoor unit (1) Indoor unit shall be vertically mounted on the wall of the room with expansion bolt. (2) Keep the indoor unit away from heat sources like heat sink and so on in the room as much as possible.
  • Page 19: Water Volume And Expansion Vessel Pressure

    Air-to-water Heat Pump ② If the noise of the pump is not acceptable, we recommended change the default speed to medium speed, but to secure enough flow rate, do not set water speed as “Min”, it can lead unexpected flow rate error “EC”; 9.7 Water volume and expansion vessel pressure Maximum total water volume(liter) Note:...
  • Page 20: Selection Of Expansion Vessel

    Air-to-water Heat Pump height difference is considered 0m; Example 1: The indoor unit is installed 5m below the outdoor unit and the total volume of the water system is 100L. Referring to the above figure, it is not necessary to adjust the pressure of the expansion vessel. Example 2: The indoor unit is installed on the highest spot of the water system and the total water volume is 350L.
  • Page 21: Connection Of Pipeline

    Air-to-water Heat Pump 10 Connection of Pipeline 10.1 Connection of outlet pipe for indoor & outdoor unit (1) Align the expansion end of copper pipe with the center of threaded joint. Tighten the flaring nuts with your hands. (2) Tighten the flaring nuts with torque wrench until you hear a “click”. (3) Bend of fitting pipe shall not be too low;...
  • Page 22 Additional (Diameter:Φ) Model refrigerant Liquid Standard Max. Standard Max. GRS-CQ12Pd/NaB-K 5/8" 3/8" 50g/m GRS-CQ14Pd/NaB-K 5/8" 3/8" 50g/m GRS-CQ16Pd/NaB-K 5/8" 3/8" 50g/m GRS-CQ12Pd/NaB-M 5/8" 3/8" 50g/m GRS-CQ14Pd/NaB-M 5/8" 3/8" 50g/m GRS-CQ16Pd/NaB-M 5/8" 3/8" 50g/m Note: ① No additional charge of the refrigerant is need when the pipe length is less than 10 m, if the pipe length is longer than 10m,additional charge of the refrigerant is needed according to the table.
  • Page 23: Remote Air Temperature Sensor

    Air-to-water Heat Pump 11 Remote Air Temperature Sensor Front side Back side Remote Air Temperature Sensor 1.5 Meters Doors Remote Air Environment CN15 Temp sensor Electric box Note: ① Distance between the indoor unit and the remote air temperature senor should be less than 15 meter due to length of the connection cable of remote air temperature sensor;...
  • Page 24: Thermostat

    Air-to-water Heat Pump 12 Thermostat Installation of Thermostat is very similar to that of Remote air temperature sensor. Cool Heat Cool Heat (24V) (230V) Thermostat Thermostat Fig .1 This function is only possible in the heating mode, the function priority for sanitary warm water is not available if a thermostat is connected.
  • Page 25: 14 3-Way Valve

    Air-to-water Heat Pump 2 way value 2 2 way value 1 WARING! ① Normal Open type should be connected to wire (NO) and wire (N)for valve closing in cooling mode. ② Normal Closed type should be connected to wire (NC) and wire (N)for valve closing in cooling mode.
  • Page 26: Other Auxiliary Heat Sources

    20 or between 21 and 22, and then connect the Gate-controller . Installation Guide follow as: Gate-controller GREE does not supply this section 17 Filling of Refrigerant (1) Before shipped out from manufacturer, the outdoor unit has been filled with refrigerant.
  • Page 27: Installation Of Insulated Water Tank

    Air-to-water Heat Pump Since this refrigerant is a mixed refrigerant, adding it in gas form may cause the refrigerant composition to change, preventing normal operation. Before charging, check whether the refrigerant cylinder is equipped with a siphon tube or not; ◆...
  • Page 28: Outline Dimension And Parameter Of Water Tank

    Air-to-water Heat Pump pipe ,L ≥70×R (cm, R is inside radius of the pipe). Moreover, heat preservation should be conducted and metal pipe can not be used. For the first use, water tank must be full of water before the power is 18.2 Outline dimension and parameter of water tank SXVD200LCJ/A-K SXVD200LCJ2/A-K...
  • Page 29: Connection Of Waterway System

    Air-to-water Heat Pump Joints Dimension Description Joint pipe thread Hot water outlet of water tank 1/2″Female BSP Circulating water inlet/outlet of water tank 3/4″Female BSP Cooling water inlet of water tank 1/2″Female BSP Pipe joint 3/4″Female BSP 18.3 Connection of waterway system (1) If connection between water tank and indoor unit should be through the wall, drill a holeφ70 for pass of circulating water pipe.
  • Page 30: Electric Wiring Work

    Air-to-water Heat Pump Description Joint pipe thread Circulating water inlet/outlet of main unit 1″Male BSP Cooling water inlet of water tank 1/2″Female BSP Circulating water inlet/outlet of water tank 3/4″Female BSP Hot water outlet of water tank 1/2″Female BSP Note: ①...
  • Page 31 Minimum Sectional Leakage Minimum Sectional Power Supply Area of Power Switch Area of Earth Wire Model Supply Wire V,Ph,Hz GRS-CQ12Pd/NaB-K(I) 3×10 GRS-CQ14Pd/NaB-K(I) 3×10 GRS-CQ16Pd/NaB-K(I) 3×10 220-240V,~,50Hz GRS-CQ12Pd/NaB-K(O) 3×4 GRS-CQ14Pd/NaB-K(O) 3×4 GRS-CQ16Pd/NaB-K(O) 3×4 GRS-CQ12Pd/NaB-M(I) 5×1.5 GRS-CQ14Pd/NaB-M(I) 5×1.5 GRS-CQ16Pd/NaB-M(I) 5×1.5 380-415V,3N~,50Hz GRS-CQ12Pd/NaB-M(O) 5×1.5...
  • Page 32: Wring Diagram

    Air-to-water Heat Pump 19 Wring Diagram 19.1 PCB outline (1) GRS-CQ12Pd/NaB-K(O), GRS-CQ14Pd/NaB-K(O), GRS-CQ16Pd/NaB-K(O) Silk screen Specification AC-L live wire input of power supply, red Neutral line input of power supply(PFC blue inductive wire) blue L1-1 PFC brown inductive wire L2-1...
  • Page 33 Air-to-water Heat Pump (2) GRS-CQ12Pd/NaB-M(O), GRS-CQ14Pd/NaB-M(O), GRS-CQ16Pd/NaB-M(O) Silk screen Specification 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 DC fan DC_MOTOR1 1 pin:strong power supply;3 pin:fan GND;4 pin:+15V;5 pin:control signal;6 pin:feedback signal;...
  • Page 34 Air-to-water Heat Pump (3) GRS-CQ12Pd/NaB-K(I), GRS-CQ14Pd/NaB-K(I), GRS-CQ16Pd/NaB-K(I),GRS-CQ12Pd/ NaB-M(I), GRS-CQ14Pd/NaB-M(I), GRS-CQ16Pd/NaB-M(I) HEAT2-L 2V1_OFF 3V1_OFF Other _OFF HEAT1-L 2V2_OFF PUMP2 AC_L N HEAT3-L Other _ON PUMP1 2V1_ON 2V2_ON 3V1_ON LED1 LED2 LED3 CN30 T-SENSOR 1 CN31 T-SENSOR 2 T-SENSOR 3 T-SENSOR 4...
  • Page 35 Air-to-water Heat Pump T-SENSOR2 CN11 terminal of temperature sensor2 T-SENSOR3 CN12 terminal of temperature sensor3 T-SENSOR4 CN13 terminal of temperature sensor4 T-SENSOR5 CN14 terminal of temperature sensor5 T-SENSOR6 CN15 terminal of temperature sensor6 DOOR-C CN23 Door detection input OVC-HEAT3 CN28 e-heater of water tank adhesion-proof protection detector OVC-HEAT1 CN26...
  • Page 36: Electric Wiring Work

    Air-to-water Heat Pump 19.2 Electric wiring work 19.2.1 Wiring principle (1) General principles Wires, equipment and connectors supplied for use on the site must be in compliance with ◆ provisions of regulations and engineering requirements. Only electricians holding qualification are allowed to perform wire connection on the site. ◆...
  • Page 37 Air-to-water Heat Pump 19.2.2 Electric wiring design 19.2.2.1 Wiring diagram: indoor unit GRS-CQ12Pd/NaB-K(I),GRS-CQ14Pd/NaB-K(I),GRS-CQ16Pd/NaB-K(I) ◆ Indoor Unit NAME CODE Main Board POWER Water flow switch (AC-L) CN15 Thermostat1 (WP65A-R ) Thermostat2 (WP95A-R) L1(OFF) N(2) 2-way Water-tank L2(ON) valve1 Auxiliary electric heater...
  • Page 38 Air-to-water Heat Pump 19.2.2.2 Wiring diagram: outdoor unit GRS-CQ12Pd/NaB-K(O), GRS-CQ14Pd/NaB-K(O), GRS-CQ16Pd/NaB-K(O) ◆ GRS-CQ12Pd/NaB-M(O), GRS-CQ14Pd/NaB-M(O), GRS-CQ16Pd/NaB-M(O) ◆...
  • Page 39 Air-to-water Heat Pump 19.2.2.3 Wiring diagram: indoor and outdoor unit(including field wiring) GRS-CQ12Pd/NaB-K, GRS-CQ14Pd/NaB-K, GRS-CQ16Pd/NaB-K: ◆...
  • Page 40 Air-to-water Heat Pump GRS-CQ12Pd/NaB-M, GRS-CQ14Pd/NaB-M, GRS-CQ16Pd/NaB-M: ◆...
  • Page 41 Air-to-water Heat Pump 19.2.2.4 Terminal board information GRS-CQ12Pd/NaB-K, GRS-CQ14Pd/NaB-K, GRS-CQ16Pd/NaB-K: ◆ Terminal board 3 Thermostat(1) Terminal Board 1 power supply for Water tank electric heater 345678 N(2) Connecting external electric power supply for Indoor Unit Connection for Gate Control Fuction...
  • Page 42 Air-to-water Heat Pump GRS-CQ12Pd/NaB-M, GRS-CQ14Pd/NaB-M, GRS-CQ16Pd/NaB-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) 3 way value(2) water's AC contactor Accident lihgt Terminal Board 1...
  • Page 43: Debugging Operation Of Unit

    Air-to-water Heat Pump 20 Debugging Operation of Unit 20.1 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 forthe following items having been finished or to be finished.
  • Page 44: Test Run

    Air-to-water Heat Pump 20.2 Test run Test run is testing whether the unit can run normally via preoperation. If the unit can not run normally, find and solve the engineering or unit problem until the test run is satisfactory. All inspection must meet the requirements before performing the test run.
  • Page 45: Daily Operation And Maintenance

    Air-to-water Heat Pump 21 Daily Operation and Maintenance In order to avoid damage of unit, all protecting devices in the unit had been set before outgoing, so the user can never adjust or remove them. For the first startup of the unit or next startup of unit after long-period stop (above 1 day)by cutting off the power, please electrify the unit in advance to preheat the unit for more than 8hr Never put sundries on the unit and accessories.
  • Page 46 Air-to-water Heat Pump The table of error code Full Name Displayed Name Error Code Ambient temperature sensor error Ambient sensor Condenser temperature sensor error Cond. sensor Discharge temperature sensor error Disch. sensor Suction temperature sensor error Suction sensor Outdoor fan error Outdoor fan Compressor internal overload protection Comp.
  • Page 47: Operation Range

    Air-to-water Heat Pump 22 Operation Range Mode Range of Outdoor Temperature( Heating -20~35 Cooling 10~48 Water heating -20~45...
  • Page 48 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com...

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