Gree VERSATI III Series User manual

Change for life
Air-to-water Heat Pump Split Versati
Models:
GRS-CQ4.0Pd/NhH-E
GRS-CQ6.0Pd/NhH-E
GRS-CQ8.0Pd/NhH-E
GRS-CQ10Pd/NhH-E
Owner's Manua
l
Original Instructions
A
ir Conditioners
Thank you for choosing GREE air conditioners. Please read this
Owner’s Manual carefully before operation and retain it for future
reference.
If you have lost the Owner's Manual,please contact the local agent
or visit www.gree.com or send an email to [email protected] for
the electronic version.
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
SPLIT
TYPE

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
product and achieve expected operating effect, we hereby instruct as below:
(1) This equipment should be installed, operated or maintained by the qualified servicemen who have had
specific training. During operation, all safety issues covered in the labels, User’s Manual and other
literature should be followed strictly. 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 used of this appliance in a safety way
and understand the hazards involved. Children shall not play with the appliances. Cleaning and user
maintenance shall not be made by children without supervision.
(2) This product has gone through strict inspection and operational test before leaving the factory. In order to
avoid damage due to improper disassembly and inspection, which may impact the normal operation of unit,
please do not disassemble the unit by yourself. You can contact with the special maintenance center of our
company if necessary.
(3) For personal injury or property loss and damage caused by improper operation such as improper
installation and debugging, unnecessary maintenance, violation of related national laws and rules and
industrial standard, and violation of this instruction manual, etc., we will bear no liability.
(4) When the product is faulted and cannot be operated, please contact with our maintenance center as soon
as possible by providing the following information.
ЬContents of nameplate of product (model, cooling/heating capacity, product No., ex-factory date).
ЬMalfunction status (specify the situations before and after the error occurs).
(5) All the illustrations and information in the instruction manual are only for reference. In order to make the
product better, we will continuously conduct improvement and innovation. We have the right to make
necessary revision to the product from time to time due to the reason of sales or production, and reserve
the right to revise the contents without further notice.
(6) 

Contents
Safety Notices (Please be sure to abide ) ...................................................................1
1. Diagram of the Operating Principle .........................................................................8
2. Operating Principle of the Unit.................................................................................8
3. Nomenclature...........................................................................................................10
4. Installation Example ............................................................................................. 11
5. Main Components ..................................................................................................14
5.1 Indoor unit.......................................................................................................................14
5.2 Outdoor unit ..................................................................................................................16
6. Installation Guideline of Outdoor Unit...................................................................17
6.1 Instruction to installation .................................................................................................17
6.2 Installation of outdoor unit...............................................................................................17
7. Installation of Indoor Unit.......................................................................................19
7.1 Select installation location of indoor unit ........................................................................19
7.2 Space requirements for installation.................................................................................19
7.3 Installation process of indoor unit ...................................................................................20
7.4 Outline dimension of indoor unit ...................................................................................21
7.5 Precautions on installation of indoor unit ........................................................................21
7.6 Water volume and pump capacity (with pump)...............................................................21
7.7 Water volume and expansion vessel pressure ...............................................................22
7.8 Selection of expansion vessel.........................................................................................22
8. Connection of Pipeline ...........................................................................................23
8.1 Connection of outlet pipe for indoor & outdoor unit ........................................................23
8.2 Installation of protective layer on connection pipe .........................................................23
9. Remote Air Temperature Sensor............................................................................25
10. Thermostat.............................................................................................................26
11. 2-Way Valve ............................................................................................................26
12. 3-Way Valve............................................................................................................ 27
13. Other Auxiliary Heat Sources .............................................................................27
14. Gate-controller.......................................................................................................28
15. Charging and Discharging of Refrigerant...........................................................29
16. Refrigerant Collecting...........................................................................................30
17. Handling of the Unit ..............................................................................................30
18. Installation of Insulated Water Tank ...................................................................31
18.1 Installation measure......................................................................................................31

18.2 Outline dimension and parameter of water tank ...........................................................32
18.3 Connection of waterway system ...................................................................................33
18.4 Electric wiring work ......................................................................................................34
19. Wring Diagram.......................................................................................................36
19.1 Control Board................................................................................................................36
19.2 Electric Wiring...............................................................................................................42
20. Commissioning......................................................................................................44
20.1 Check before startup.....................................................................................................44
20.2 Test run .........................................................................................................................46
21. Daily Operation and Maintenance .......................................................................47
21.1 Recovery.......................................................................................................................48
21.2 Decommissioning..........................................................................................................48
21.3 Safety consideration .....................................................................................................48
21.4 Notice before Seasonal Use .........................................................................................49

Air-to-water Heat Pump Split Versati
1
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.
This sign indicates that the operation must be prohibited. Improper operation may
cause severe damage or death to people
This sign indicates that the items must be observed. Improper operation may
cause damage to people or property.
NOTE
After receipt of the unit, check it for appearance, unit model compared with your desire
and attachments.
Design and installation work of the unit must be performed by authorized personnel
according to applicable laws and regulations and this Instruction.
After installation work, the unit cannot be energized unless there is not any problem in
check.
Ensure periodical clean and maintenance of the unit after normal operation of the unit
for longer life and reliable operation.
If the supply cord is damaged, it must be replaced by the manufacturer, its service

The appliance shall be installed in accordance with national wiring regulations.
This product is a kind of comfort air conditioning, and is not allowed to be installed

it would lead to operation failure, shortened service life, five hazard or even severe
injuries. Special air conditions are required for where mentioned above.
Correct Disposure
This marking indicates that this product should not be
disposed with other household wastes throughout the EU.To
prevent possible harm to the environment or human health from
uncontrolled waste disposal,recycle it responsibly to promote the
sustainable reuse of material resources. To retuern your used
device,please use the return and collection systems or contact
the retailer where the product was purchased. They can take this
product for environmental safe recycling.
R32:675