Gree Versati III User manual

Change for life
Air-to-water Heat Pump
Thank you for choosing commercial air conditioners. Please read
t
his Owner’ s Manual carefully before operation and retain it for
f
uture reference.
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you have lost the Owner's Manual,please contact the local agent
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he electronic version.
GREE PRODUCTS, S.L.
Owner's Manual
Original Instructions
Air Conditioners
MONOBLOC 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:
This equipment should be installed, operated or maintained by the qualied servicemen who have had specic
training. During operation, all safety issues covered in the labels, User’s Manual and other literature should be
followed strictly. This equipment is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person responsibility for their safety. Children should be
supervised to ensure that they do not play with the appliance.
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.
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.
When the product is faulted and cannot be operated, please contact with our maintenance center as soon as
possible by providing the following information.
(1) Contents of nameplate of product (model, cooling/heating capacity, product No., ex-factory date).
(2) Malfunction status (specify the situations before and after the error occurs).
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.
The nal right to interpret for this instruction manual belongs to Gree Electric Appliances Inc. of Zhuhai.

Contents
Safety Notices (Please be sure to abide ) ...................................................................1
1. Diagram of the Operating Principle .......................................................................10
2. Operating Principle of the Unit............................................................................... 11
3. Nomenclature...........................................................................................................12
4. Installation Example .............................................................................................13
5. Main Components ..................................................................................................15
6. Installation Guideline of Monobloc Unit................................................................17
6.1 Instruction to installation .................................................................................................17
6.2 Installation of monobloc unit ...........................................................................................17
7. Installation of Hydraulic Unit..................................................................................22
7.1 Available External Static Pressure of Outlet ...................................................................22
7.2 Water volume and expansion vessel pressure ...............................................................22
7.3 The method of calculating the charging pressure of expansion vessel ..........................22
7.4 Selection of expansion vessel.........................................................................................23
8. Remote Air Temperature Sensor............................................................................24
9. Thermostat...............................................................................................................25
10. 2-Way Valve............................................................................................................26
11. 3-Way Valve ............................................................................................................26
12. Other Thermal ......................................................................................................27
13. Optional Electric Heater........................................................................................29
14. Gate-controller.......................................................................................................30
15. Charging and Discharging of Refrigerant........................................................... 30
16. Installation of Insulated Water Tank ...................................................................31
16.1 Installation measure......................................................................................................31
16.2 Outline dimension and parameter of water tank ...........................................................33
16.3 Connection of waterway system ...................................................................................34
16.4 Requirements on water quality ....................................................................................35
16.5 Electric wiring work ......................................................................................................35
17. Wring Diagram....................................................................................................... 37
17.1 Control Board................................................................................................................37
17.2 Electric Wiring ...............................................................................................................48
18. Commissioning......................................................................................................52
18.1 Check before startup.....................................................................................................52
18.2 Test run .........................................................................................................................53
19. Daily Operation and Maintenance .......................................................................54
19.1 Recovery.......................................................................................................................55
19.2 Decommissioning..........................................................................................................55

Air-to-water Heat Pump
1
MONOBLOC 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
agent or similarly qualied persons in order to avoid a hazard.
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
where there are corrosive, explosive and inammable substances or smog; otherwise
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