Gree Versati III GRS-CQ4.0PdG/NhH2-E Manual de usuario

Change for life

Air-to-water Heat Pump All in one Versati

Models:

GRS-CQ4.0PdG/NhH2-E

GRS-CQ8.0PdG/NhH2-E

GRS-CQ8.0PdG/NhH2-M

GRS-CQ12PdG/NhH2-M

GRS-CQ16PdG/NhH2-M

GRS-CQ14PdG/NhH2-E

GRS-CQ6.0PdG/NhH2-E

GRS-CQ10PdG/NhH2-E

GRS-CQ10PdG/NhH2-M

GRS-CQ14PdG/NhH2-M

GRS-CQ12PdG/NhH2-E

GRS-CQ16PdG/NhH2-E

Owner's Manual

Original Instructions

Air Conditioners

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 e󰀨ect, we hereby instruct as below:

(1) This equipment should be installed, operated or maintained by the qualified 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 responsible for their

safety. Children should be supervised to ensure that they do not play with the appliance.

(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 our designated dealer or local service

center for professional support if necessary.

(3) When the product is faulted and cannot be operated, please contact our designated dealer or local service

center as soon as possible by providing the following information..

• Contents of nameplate of product (model, cooling/heating capacity, product No., ex-factory date).

• Malfunction status (specify the situations before and after the error occurs).

(4) 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 without further notice..

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 ..................................................................................................12

5.1 Indoor unit .......................................................................................................................12

5.2 Outdoor unit ..................................................................................................................13

6. Installation Guideline of Outdoor Unit...................................................................15

6.1 Instruction to installation ................................................................................................15

6.2 Installation of outdoor unit...............................................................................................15

7. Installation of Indoor Unit.......................................................................................18

7.1 Select installation location of indoor unit ........................................................................18

7.2 Space requirements for installation.................................................................................19

7.3 Outline dimension of indoor unit ...................................................................................19

7.4 Precautions on installation of indoor unit ........................................................................20

7.5 Water volume and pump capacity (with pump)...............................................................21

7.6 Water volume and expansion vessel pressure ...............................................................22

7.7 The method of calculating the charging pressure of expansion vessel ..........................22

7.8 Selection of expansion vessel.........................................................................................23

8. Connection of Pipelines..........................................................................................24

8.1 Connection of outlet pipe for indoor & outdoor unit ........................................................24

8.2 Installation of protective layer on connection pipe .........................................................24

9. Remote Air Temperature Sensor............................................................................26

10. Thermostat.............................................................................................................27

11. 2-Way Valve ............................................................................................................27

12. 3-Way Valve............................................................................................................28

13. Other Auxiliary Heat Sources .............................................................................28

14. Gate-controller.......................................................................................................29

15. Charging and Discharging of Refrigerant...........................................................29

16. Refrigerant Collecting...........................................................................................30

17. Handling of the Unit ..............................................................................................31

18. Wring Diagram.......................................................................................................32

18.1 Control Board................................................................................................................32

18.2 Electric Wiring ...............................................................................................................38

19. Commissioning......................................................................................................46

19.1 Check before startup.....................................................................................................46

19.2 Test run .........................................................................................................................47

20. Daily Operation and Maintenance .......................................................................48

20.1 Recovery.......................................................................................................................49

20.2 Decommissioning..........................................................................................................49

20.3 Safety consideration .....................................................................................................50

20.4 Notice before Seasonal Use .........................................................................................52

20.5 Replacement of the Magnesium Rod............................................................................52

20.6 Requirements on water quality ....................................................................................52

20.7 Precautions ...................................................................................................................52

21 External Water Pump and Three-way Valve .........................................................53

Air-to-water Heat Pump All in One Versati

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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

Air-to-water Heat Pump All in One Versati

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TYPE

WARNING

Once abnormality

likeburning smell occurs,

please cut o󰀨 the power

supply immediately and

then contact with service

center.

If the abnormality still exists,

the unit may be damaged

and electric shock or re

may result.

Don't operate the unit with

wet hand.

Otherwise, it may cause

electric shock.

Before

installation,please see

if the voltage of local

place accords with

that on nameplate

of unit and capacity

of power supply,

power cord or socket

is suitable for input

power of this unit.

Special circuit must be

adopted for power supply

to prevent re.

Do not use octopus

multipurpose plug or mobile

terminal board for wire

connection.

Be sure to pull out the

power plug and drain the

indoor unit and water tank

when unit is not in use for a

long time.

Otherwise, the accumulated

dust may cause

overheating,re or freeze of

water tank or coaxial heater

exchanger in winter.

Never damage the

electric wire or use

the one which is not

specied.

Otherwise, it may

cause overheating or

re.

Air-to-water Heat Pump All in One Versati

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TYPE

Before cleaning please cut

o󰀨 the power supply.

Otherwise, it may cause

electric shock or damage.

The power supply must

adopt special circuit with

leakage switch and enough

capacity.

User can not change

power cord socket

without prior consent.

Wiring working

must be done by

professionals. Ensure

good earthing and

don't change earthing

mode of unit.

Earthing: the unit must

be earthed reliably ! The

earthing wire should

connect with special device

of buildings.

If not, please ask the

qualied personnel to

install.

Furthermore, don't connect

earth wire to gas pipe,

water pipe, drainage pipe or

any other improper places

which professional does not

recognize.

Never insert any foreign

matter into outdoor unit to

avoid damage . And never

insert your hands into the

air outlet of outdoor unit.

Don't attempt to repair

the unit by yourself.

Improper repair may

cause electric shock

or re, so you should

contact the service

center to repair.

Air-to-water Heat Pump All in One Versati

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TYPE

Don't step on the top of the

unit or place anything on it.

There is the danger of fall of

things or people.

Never block the air inlet and

outlet of unit.

It may reduce e󰀩ciency or

cause stop of the unit and

even re.

Keep pressurized

spray, gas holder and

so on away from the

unit above 1m .

It may cause re or

explosion.

Please note whether the

installation stand is rm

enough or not.

If damaged, it may cause

fall of the unit and injury of

people.

Unit should be installed

at the place with good

ventilation to save energy.

When there is not

water in water tank,

never power the unit

on to run.

Air-to-water Heat Pump All in One Versati

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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. The appliance shall be stored in a room without continuous operating ignition

sources. (for example: open ames, an operating gas appliance or an operating electric

heater.) Do not pierce or burn.

Appliance shall be installed, operated and stored in a room with a floor area larger

than Xm .(Please refer to table “a” in section of “ Safety Operation of Inflammable

Refrigerant” for space X.)

Appliance filled with flammable gas R32. For repairs, strictly follow manufacturer’s

instructions only. Be aware that refrigrants not contain odour. Read specialist’s manual.

If a stationary appliance is not tted with a supply cord and a plug, or with other means

for disconnection from the supply mains having a contact separation in all poles that

provides full disconnection under overvoltage category III conditions, the instructions

shall state that means for disconnection must be incorporated in the fixed wiring in

accordance with the wiring rules.

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. Children shall not play

with the appliance. Cleaning and user maintenance shall not be made by children

without supervision.

The appliance shall be stored in a well-ventilated area where the room size

corresponds to the room area as specied for operation.

The appliance shall be stored in a room without continuously operating open ames

(for example an operating gas appliance) and ignition sources (for example an operating

electric heater).

The appliance shall be stored so as to prevent mechanical damage from occurring.

NOTE

Appliance lled with ammable gas R32.

Before use the appliance, read the owner’s manual rst.

Before install the appliance, read the installation manual rst.

Before repair the appliance, read the service manual rst.

Air-to-water Heat Pump All in One Versati

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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. But the flammability of the refrigerant is very low. It can be ignited

only by re.

Compared to common refrigerants, R32 is a nonpolluting refrigerant with no harm to

the ozonosphere. The inuence upon the greenhouse e󰀨ect is also lower. R32 has got

very good thermodynamic features which lead to a really high energy efficiency. The

units therefore need a less lling.

Before installation, please check if the adopted power is accordance with that listed on

nameplate, and check the safety of power.

The unit shall contact with the supply mains by a full disconnection device under

overvoltage category Ⅲ.

Before using, please check and confirm if wires and water pipes are connected

correctly to avoid water leakage, electric shock or re etc.

Don’t operate the unit with wet hand, and don’t allow children to operate the unit.

The On/o󰀨 in the instruction is for the operation to on and o󰀨 button of PCB for users;

cut o󰀨 power means to stop supplying power to the unit.

Don’t directly expose the unit under the corrosive ambient with water or dampness.

Don’t operate the unit without water in water tank .The air outlet/inlet of unit cannot be

blocked by other objects.

The water in unit and pipeline should be discharged if the unit is not in use, to prevent

the water tank, pipe line and water pump from frost-cracking.

Never press the button with sharp objects to protect manual controller. Never use

other wires instead of special communication line of the unit to protect control elements.

Never clean the manual controller with benzene, thinner or chemical cloth to avoid

fading of surface and failure of elements. Clean the unit with the cloth soaked in neutral

eradicator. Slightly clean the display screen and connecting parts to avoid fading.

The power cord must be separated with the communication line.

Any person who is involved with working on or breaking into a refrigerant circuit should

hold a current valid certicate from an industry-accredited assessment authority, which

authorises their competence to handle refrigerants safely in accordance with an industry

recognised assessment specication.

Servicing shall only be performed as recommended by the equipment manufacturer.

Maintenance and repair requiring the assistance of other skilled personnel shall be

carried out under the supervision of the person competent in the use of flammable

refrigerants.

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