Gree Versati II+ Manual de usuario

Change for life

Air-to-water Heat Pump

Monobloc Versati

Air Conditioners

Owner's Manual

Thank you for choosing our 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.

greeproducts.es or send an email to info@greeproducts.es for the electronic

version.

Contents

1 Instruction to Users..................................................................................1

2 Safety Considerations .............................................................................2

3 Diagram of the Operating Principle .........................................................5

4 Operating Principle of the Unit.................................................................6

5 Nomenclature ..........................................................................................8

6 Installation Example .............................................................................9

7 Main Components ................................................................................ 11

8 Installation Guideline of the Unit............................................................13

9 Remote Air Temperature Sensor ...........................................................17

10 Thermostat ..........................................................................................18

11 2-Way Valve.........................................................................................18

12 3-Way Valve.........................................................................................19

13 Wired Controller .................................................................................20

14 Other Auxiliary Heat Sources .............................................................20

15 Gate-controller ...................................................................................20

16 Charging and Discharging of Refrigerant ............................................21

17 Installation of Insulated Water Tank ....................................................22

18 Wring Diagram.....................................................................................27

19 Commissioning....................................................................................36

20 Daily Operation and Maintenance ......................................................38

Air-to-water Heat Pump Monobloc Versati

1 Instruction to Users

Thank you for choosing our air to water heat pumps. 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

attachments.

◆For proper installation and future maintenance please read this Instruction and keep it carefully.

◆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.

◆For improvement of products, there should be not additional notice of amendment of the

contents.

Notice!

◆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.

Correct Disposed of this product

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.

R410A(R32/125:50/50):2087.5

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.

Air-to-water Heat Pump Monobloc Versati

2 Safety Considerations

Please read the following contents carefully before operating.

WARNING

■Once abnormality like burning

smell occurs, please cut off

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 unit and

water tank when unit is not in

use for a long time.

Otherwise, the accumulated dust

may cause overheating,fire 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.

■Before cleaning please cut off

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.

Air-to-water Heat Pump Monobloc Versati

2 3

■Earthing: the unit must be

earthed reliably ! The earthing

wire should connect with

special device of buildings.

If not, please ask the qualified

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 uint to avoid

damage . And never insert

your hands into the air outlet

of the unit.

■Don't attempt to repair the unit

by yourself.

Improper repair may cause electric

shock or fire, so you should

contact the service center to

repair.

■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 efficiency 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 firm

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.

Notice!

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

nameplate, and check the safety of power.

(2) Before using, please check and conrm if wires and water pipes are connected correctly to avid

water leakage, electric shock or re etc.

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

Air-to-water Heat Pump Monobloc Versati

(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.

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

(6) Don’t operate the unit without water in water tank .The air outlet/inlet of unit can not be blocked

by other objects.

(7) 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.

(8) 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.

(9) The power cord must be separated with the communication line.

(10) maximum and minimum water operating temperatures.

Item Minimum water operating

temperatures

Maximum water operating

temperatures

Cooling 7°C 25°C

Heating 25°C 60°C

Water heating 40°C 80°C

maximum and minimum water operating pressures.

Item Minimum water operating

pressures

Maximum water operating

pressures

Cooling

0.05MPa 0.25MPaHeating

Water heating

maximum and minimum entering water pressures.

Item Minimum entering water pressures Maximum entering water

pressures

Cooling

0.05MPa 0.25MPaHeating

Water heating

the range of external static pressures at which the appliance was tested (add-on heat pumps, and

appliances with supplementary heaters,only);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.

(11) The appliance is intended to be permanently connected to the water mains and not connected

by a hose-set.

If there is any question, please contact with local dealer, authorized service center, agencies

or our company directly.

Air-to-water Heat Pump Monobloc Versati

4 5

3 Diagram of the Operating Principle

No. Name No. Name No. Name No. Name

1 Inverter compressor 13 Solenoid valve 25 Water lter 37 Solar system inlet

temperature sensor

2Discharge temperature

sensor 14 EXV 2 26

Inlet temperature

sensor (plate heat

exchanger)

38 Water separator

3 High-pressure switch 15 Low pressure sensor 27 Safety valve 39 2-way Valve 1

4 High pressure sensor 16 Suction temperature

sensor 28 Exhaust valve 40 Floor radiator

5 4-way Valve 17

Outlet water

temperature sensor

(plate heat exchanger)

29 3-way valve 2 41 Water collector

6Finned heat exchanger 18 Auxiliary electric heater 30 Water tank

temperature sensor 1 42 FCU

7Environment

temperature sensor 19 Expansion tank 31 Water tank 43 By-pass valve

8Defrosting temperature

sensor 20 Main outlet temperature

sensor 32 Solar system outlet

temperature sensor 44 Vapor liquid separator

9 Filter 21 Main water pump 33 Solar system ow

switch 45 Main plate heat exchanger

10 EXV 1 22 Main ow switch 34 Solar system water

pump 46 Water tank temperature

sensor 2

11 Flasher 23 Outlet pipe connector 35 Solar panel

12 Pressure sensor 24 Inlet pipe connector 36 Solar panel

temperature sensor

Air-to-water Heat Pump Monobloc Versati

4 Operating Principle of the Unit

DC Inverter Air to Water Heat Pump is composed of the unit,FCU and water tank. Operation

functions:

(1) Cooling;

(2) Heating;

(3) Water heating;

(4) Cooling +water heating;

(5) Heating+ water heating;

(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

(15) Solar water heater

(16) Backup heat source

Cooling: in cooling mode, the refrigerant is condensed in the aluminum fin-copper tube and

evaporated in the plate heat exchanger. Via the heat exchange with water in the plate heat

exchanger, the temperature of water decrease and it releases heat while the refrigerant absorbs

heat and evaporates. With the help of wired controller, the outow temperature can meet the user’s

requirement. Through the control of valve, the low-temperature water in the system is connected

with indoor fan coil and underground pipe, and exchanges heat with the indoor air so that the indoor

temperature decreases to the required range.

Heating: in heating mode, the refrigerant evaporates in the aluminum fin-copper tube and

is condensed in the plate heat exchanger. Via the heat exchange with water in the plate heat

exchanger, the water absorbs heat and its temperature increase while the refrigerant releases heat

and is condensed. With the help of wired controller, the outflow temperature can meet the user’s

requirement. Through the control of valve, the high-temperature water in the system is connected

with indoor fan coil and underground pipe, and exchanges heat with the indoor air so that the indoor

temperature increases to the required range.

Water heating: in water heating mode: the refrigerant evaporates in the aluminum n-copper tube

and is condensed in the plate heat exchanger. Via the heat exchange with water in the plate heat

exchanger, the water absorbs heat and its temperature increase while the refrigerant releases heat

and is condensed. With the help of wired controller, the outflow temperature can meet the user’s

requirement. Through the control of valve, the high-temperature water in the system is connected

with the coil pipe of bearing water tank, and exchanges heat with the water in the water tank so that

the temperature of water tank increases to the required range.

Cooling + water heating: when cooling mode exists together with the water heating mode, the

user can set the priority of these two modes based on the needs. The default priority is heat pump.

That is under the default setting, if cooling mode exists together with the water heating mode, the

heat pump gives priority to cooling. In that case, water heating can only realized with e-heater of

the water tank. Inversely, the heat pump gives priority to water heating and switches to cooling after

nishing water heating.

Heating+ water heating: when heating mode exists together with the water heating mode, the

Air-to-water Heat Pump Monobloc Versati

6 7

user can set the priority of these two modes based on the needs. The default priority is heat pump.

That is under the default setting, if heating mode exists together with the water heating mode, the

heat pump gives priority to heating. In that case, water heating can only realized with e-heater of

the water tank. Inversely, the heat pump gives priority to water heating and switches to heating after

nishing water heating.

Emergency mode: this mode is only available for heating and water heating. When the monobloc

unit stops due to malfunction, enter the corresponding emergency mode; as to heating mode, after

entering the emergency mode, heating can only be realized through e-heater .When the setting

outflow temperature or indoor temperature is reached, the e-heater will stop running; as to water

heating mode, the e-heater stops while the e-heater of water tank runs. When the setting temperature

or water tank is reached, the e-heater will stop running.

Quick water heating: in quick water heating mode, the unit runs according to the water heating

control of heat pump and the e-heater of water tank runs at the same time.

Forced Operation Mode: this mode is only used for refrigerant recovery and debugging for the

unit.

Holiday mode:this mode is only available for heating mode. This mode is set to keep indoor

temperature or leaving water temperature in a certain range, so as to prevent water system of the

unit from freezing or protect certain indoor articles from freezing damage. When the unit stops due to

malfunction, the two e-heaters of the unit will run.

Disinfection mode: in this mode, the water heating system can be disinfected. When starting up

the disinfection function and setting corresponding time to meet the requirement of disinfection mode,

the function will start. After the setting temperature is reached, this mode will terminate.

Weather-dependent Operation: this mode is only available for space heating or space cooling.

In Weather- dependent mode, the setting value (remote room air temperature or leaving water

temperature) is detected and controlled automatically when the outdoor air temperature is changed.

Quiet mode: Silent mode is available in cooling, heating and water heating mode. In silent mode,

the unit will reduce the running noise via automatic control.

Floor commissioning: this function is intended to preheat the oor periodically for the initial use.

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.

Solar water heater: when the condition for starting the solar water heater is satised, the solar

heater will start to heat the circulation water. Then the heated water will go to the water tank and

exchange heat with water in it. At any condition, the solar water heater will be given priority for startup

so as for energy conservation.

Backup heat source: when the outdoor temperature is lower than the set point for starting the

backup heat source and the unit is under the error condition and the compressor has stopped for

three minutes, then the backup heat source will start to supply heat or hot water to the room.

Air-to-water Heat Pump Monobloc Versati

5 Nomenclature

G RS - C Q 16 Pd / Na C - M

12 3456 78 9

NO. Description Options

1 GREE G-GREE Air to water heat pump

2 Heat Pump Water Heater RS

3 Heating Mode S= Static; C=Circulating

4 Function Q=Multi-function; Omit=Single-function

5 Nominal Heating Capacity 6=6.0kW; 8=8.0kW;10=10kW; 12=12kW; 14=14kW; 16=16kW

6 Compressor Style Pd=DC Inverter; Omit=On/Off

7 Refrigerant Na=R410A

8 Design Serial Number B,C,D......

9 Power Supply K=220-240V,~,50Hz; M=380-415V,3N~,50Hz

Model Line-Up

Model Name Capacity Power supply

Heating1,kW Cooling2,kW

GRS-CQ8.0Pd/NaC-K 8.2 8.6 220-240V,~,50Hz

GRS-CQ10Pd/NaC-K 9.5 9.8

GRS-CQ12Pd/NaC-M 13.0 13.6 380-415V,3N~,50Hz

GRS-CQ14Pd/NaC-M 14.2 14.5

Note:

1Capacities and power inputs are based on the following conditions:

Indoor Water Temperature 30°C/35°C,Outdoor Air Temperature 7°C DB/6°C WB;

2Capacities and power inputs are based on the following conditions:

Indoor Water Temperature 23°C/18°C,Outdoor Air Temperature 35°C DB/24°C WB.

Operation Range

Mode Heat Source Side Temperature (°C) User Side Temperature (°C)

Heating -20~35 25~60

Cooling 10~48 7~25

Water Heating -20~45 40~80

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