Gree GKH24S3GI Bedienungsanleitung

Owner's Manual

Air Conditioners

Indoor unit Outdoor unit

Thank you for choosing 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 sent email to global@gree.com.cn or electronic version.

GREE reserves the right to interpret this manual which will be subject to any change due to product

improvement without further notice.

GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.

GKH24S3GI

GUHD24NS3GO

GKH36S3GI

GUHD36NS3GO

GKH42S3GI

GUHD42NS3GO

GKH48S3GI

GUHD48NS3GO

DC Inverter U-match Series

Cassette Type Unit

Preface

For correct installation and operation, please read all instructions carefully. Before

reading the instructions, please be aware of the following items:

(1) For the safe operation of this unit, please read and follow the instructions

carefully.

(2) During operation, total capacity of indoor units should not exceed the total

capacity of outdoor units. Otherwise, poor effect of cooling or heating may

result.

(3) Direct operators or maintainers should well keep this manual.

(4) If this unit fails to operate normally, please contact our service center as soon

as possible and provide the following information:

Content on the nameplate (model number, cooling capacity, production code,

ex-factory date).

Malfunction details (before and after the malfunction occurs).

(5) Each unit has been strictly tested and proved to be qualified before ex-factory.

In order to prevent units from being damaged or operating normally because of

improper disassembly, please do not disassemble the unit by yourself. If you

need to disassemble and check units, please contact our service center. We

will send specialists to guide the disassembly.

(6) All graphics in this manual is only for your reference. For sales or production

reasons, these graphics are subject to change by manufacturer without prior

notice.

Contents

1 Safety Precautions...................................................................................1

2 Outline of the Unit and Main Parts...........................................................3

3 Preparative for Installation .......................................................................4

3.1 Standard Accessory Parts.......................................................................4

3.2 Selection of the Installation Location ......................................................5

3.3 Connection Pipe Requirement................................................................7

3.4 Electrical Requirement............................................................................8

4 Installation of the Unit...............................................................................9

4.1 Installation of the Indoor Unit ..................................................................9

4.2 Installation of the Outdoor Unit ............................................................. 11

4.3 Installation of the Connection Pipe .......................................................13

4.4 Vacuum and Gas Leakage Inspection..................................................18

4.5 Installation of the Drain Hose................................................................20

4.6 The Panel Installation............................................................................24

4.7 Electrical Wiring ....................................................................................26

5 Installation of Controllers........................................................................32

6 Test Running ..........................................................................................33

6.1 Trial Operation and Testing...................................................................33

6.2 Working Temperature Range................................................................35

7 Troubleshooting and Maintenance.........................................................36

7.1 Troubleshooting.....................................................................................36

7.2 Routine Maintenance............................................................................37

DC Inverter U-match Series Cassette Type Unit

1 Safety Precautions

WARNING!

This mark indicates procedures which, if improperly performed, might lead to

the death or serious injury of the user.

CAUTION!

This mark indicates procedures which, if improperly performed, might

possibly result in personal harm to the user, or damage to property.

WARNING!

(1). Installation should be left to the dealer or another professional. Improper installation may

cause water leakage, electrical shock, or fire.

(2). Install the air conditioner according to the instructions given in this manual. Incomplete

installation may cause water leakage, electrical shock, or fire.

(3). Be sure to use the supplied or specified installation parts. Use of other parts may cause the

unit to come to lose, water leakage, electrical shock, or fire.

(4). Install the air conditioner on a solid base that can support the weight of the unit. An inadequate

base or incomplete installation may cause injury in the event the unit falls off the base.

(5). Electrical work should be carried out in accordance with the installation manual and the

national electrical wiring rules or code of practice. Insufficient capacity or incomplete

electrical work may cause electrical shock or fire.

(6). Be sure to use a dedicated power circuit. Never use a power supply shared by another

appliance.

(7). For wiring, use a cable length enough to cover the entire distance with no connection. Do not

use an extension cord. Do not put other loads on the power supply, use a dedicated power

circuit. (Failure to do so may cause abnormal heat, electric shock or fire.)

(8). Use the specified types of wires for electrical connections between the indoor and outdoor

units. Firmly clamp the interconnecting wires so their terminals receive no external stresses.

Incomplete connections or clamping may cause terminal overheating or fire.

(9). After connecting interconnecting and supply wiring be sure to shape the cables so that they do

not put undue force on the electrical covers or panels. Install covers over the wires.

Incomplete cover installation may cause terminal overheating, electrical shock, or fire.

(10). If any refrigerant has leaked out during the installation work, ventilate the room. (The

refrigerant produces a toxic gas if exposed to flames.)

(11). After all installation is complete, check to make sure that no refrigerant is leaking out. (The

refrigerant produces a toxic gas if exposed to flames.)

DC Inverter U-match Series Cassette Type Unit

(12). When installing or relocating the system, be sure to keep the refrigerant circuit free from

substances other than the specified refrigerant (R410A), such as air. (Any presence of air or

other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture,

resulting in injury.)

(13). During pump-down, stop the compressor before removing the refrigerant piping. If the

compressor is still running and the stop valve is open during pump-down, air will be sucked in

when the refrigerant piping is removed, causing abnormal pressure in the freezer cycle which

will lead to breakage and even injury.

(14). During installation, attach the refrigerant piping securely before running the compressor. If the

compressor is not attached and the stop valve is open during pump-down, air will be sucked in

when the compressor is run, causing abnormal pressure in the freezer cycle which will lead to

breakage and even injury.

(15). Be sure to establish an earth. Do not earth the unit to a utility pipe, arrester, or telephone

earth. Incomplete earth may cause electrical shock, or fire. A high surge current from lightning

or other sources may cause damage to the air conditioner.

(16). Be sure to install an earth leakage breaker. Failure to install an earth leakage breaker may

result in electric shocks, or fire.

(17). This appliance 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.

(18). Children should be supervised to ensure that they do not play with the appliance.

(19). If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or

similarly qualified persons in order to avoid a hazard.

CAUTION!

(1). Do not install the air conditioner in a place where there is danger of exposure to inflammable

gas leakage. If the gas leaks and builds up around the unit, it may catch fire.

(2). Establish drain piping according to the instructions of this manual. Inadequate piping may

cause flooding.

(3). Tighten the flare nut according to the specified method such as with a torque wrench. If the flare

nut is tightened too hard, the flare nut may crack after a long time and cause refrigerant leakage.

DC Inverter U-match Series Cassette Type Unit

2 Outline of the Unit and Main Parts

Fig. 2.1

DC Inverter U-match Series Cassette Type Unit

3 Preparative for Installation

3.1 Standard Accessory Parts

The standard accessory parts listed below are furnished and should be used as

required. Table 3.1

Indoor Unit Accessories

No.

Name

Appearance

Q'ty

Usage

Drain Hose

To connect with the hard

PVC drain pipe

Nut with Washer

To fix the hook on the

cabinet of the unit.

Washer

To be used together with the

hanger bolt for installing the

unit.

installation

paperboard

used for ceiling drilling

Gasket mounting

board

Used to prevent gasket from

falling off

Wireless Controller

+Battery

1+2

To control the indoor unit

sealing plaster

Fastener

To fasten the sponge

Insulation

To insulate the gas pipe

Insulation

To insulate the liquid pipe

DC Inverter U-match Series Cassette Type Unit

Sponge

To insulate the drain pipe

Nut

To connect gas pipe

Nut

To connect liquid pipe

Enswathement

Table 3.2

Outdoor Unit Accessories

No.

Name

Appearance

Q'ty

Usage

Drain Plug

2 or 3

To plug the unused drain

hole.

Drainage Connecter

To connect with the hard

PVC drain pipe

3.2 Selection of the Installation Location

WARNING!

The unit must be installed where strong enough to withstand the weight of the unit and fixed securely,

otherwise the unit would topple or fall off.

CAUTION!

①. Do not install where there is the danger of combustible gas leakage.

②. Do not install the unit near heat source of heat, steam, or flammable gas.

③. Children under 10 years old must be supervised not to operate the unit.

Decide the installation location with the customer as follows:

DC Inverter U-match Series Cassette Type Unit

3.2.1 Indoor Unit

Select an installation site where the following conditions are fulfilled and that meets

your customer's approval.

Obstruct should be put away from the intake or outlet vent of the indoor unit so that

the airflow can be blown through all the room.

Make sure that the installation meets the requirement of the schematic diagram of

installation spaces.

Select the place where can stand 4 times of the weight of the indoor unit and would

not increase the operating noise and vibration.

The horizontality of the installation place should be guaranteed.

Select the place where is easy to drain out the condensate water, and connect with

outdoor unit.

Make sure that there are enough space for care and maintenance, and the height

fall between the indoor unit and ground is above 1800mm.

When installing the suspension bolt, check if the installation place can stand 4

times of the weight of the unit. If not, reinforce it before installation.

Note: There will be large amount of greasy dirt accumulated on the fan, heat

exchanger and water pump located in the dinning room and kitchen, which would

reduce the capacity of the heater exchanger, lead to leakage and abnormal operation

of the water pump.

>20mm(3/4inch)

≥1500mm

(59inch)

≥2500mm(98-3/8inch)

≥1500mm

(59inch)

Fig. 3.1

Table 3.3

Models

H(mm)

GKH24S3GI

260

GKH36S3GI

320

GKH42S3GI

GKH48S3GI

DC Inverter U-match Series Cassette Type Unit

3.2.2 Outdoor Unit

WARNING!

①. Install the unit where it will not be tilted by more than 5°.

②. During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely.

If possible, do not install the unit where it will be exposed to direct sunlight. (If

necessary, install a blind that does not interfere with the air flow.)

Install the outdoor unit in a place where it will be free from being dirty or getting wet

by rain as much as possible.

Install the outdoor unit where it is convenient to connect with the indoor unit.

Install the outdoor unit where the condensate water can be drained out freely

during heating operation.

Do not place animals and plants in the path of the warm air.

Take the air conditioner weight into account and select a place where noise and

vibration are small.

Install the outdoor unit where is capable of withstanding the weight of the unit and

generates as less noise and vibration as possible.

Provide the space shown in Fig. 3.2, so that the air flow is not blocked. Also for

efficient operation, leave three of four directions of peripheral constructions open.

＞500mm

(1-2/3feet)

＞2000mm

(6-5/9feet) ＞500mm

(1-2/3feet)

＞500mm

(1-2/3feet)

＞500mm

(1-2/3feet)

＞2000mm

(6-5/9feet)

＞1000mm

(3-2/7feet)

Fig. 3.2

3.3 Connection Pipe Requirement

CAUTION!

The maximum length of the connection pipe is listed in the Table below. Do not place the units between

which the distance exceeds the maximum length of the connection pipe.

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