Gree GMV-ND45T/A-T Bedienungsanleitung

Owner's Manual

Original Instructions

Commercial Air Conditioners

Multi Variable Air Conditioners

Cassette Type Indoor Unit

Models:

GMV-ND28T/A-T GMV-ND36T/A-T

GMV-ND45T/A-T GMV-ND50T/A-T

GMV-ND56T/A-T GMV-ND63T/A-T

GMV-ND71T/A-T GMV-ND80T/A-T

GMV-ND90T/A-T GMV-ND100T/A-T

GMV-ND112T/A-T GMV-ND125T/A-T

GMV-ND140T/A-T GMV-ND160T/A-T

To Users

Thank you for selecting Gree 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 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.

(2) In order to ensure reliability of product, the product may consume some power under stand-by

status for maintaining normal communication of system and preheating refrigerant and lubricant.

If the product is not to be used for long, cut off the power supply; please energize and preheat

the unit in advance before reusing it.

(3) Please properly select the model according to actual using environment; otherwise it may

impact the using convenience.

(4) This product can’t be installed at corrosive, inflammable or explosive environment or the place

with special requirements, such as kitchen. Otherwise, it will affect the normal operation or

shorten the service life of the unit, or even cause fire hazard or serious injury. As for above

special places, please adopt special air conditioner with anti-corrosive or anti-explosion

function.

(5) If the product needs to be installed, moved or maintained, please contact our designated dealer

or local service center for professional support. Users should not disassemble or maintain the

unit by themselves, otherwise it may cause relative damage, and our company will bear no

responsibilities.

(6) 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. If there is

adjustment in the product, please subject to actual product.

Exception Clauses

Manufacturer will bear no responsibilities when personal injury or property loss is caused by the

following reasons:

(1) Damage the product due to improper use or misuse of the product.

(2) Alter, change, maintain or use the product with other equipment without abiding by the

instruction manual of manufacturer.

(3) After verification, the defect of product is directly caused by corrosive gas.

(4) After verification, defects are due to improper operation during transportation of product.

(5) Operate, repair, maintain the unit without abiding by instruction manual or related regulations.

(6) After verification, the problem or dispute is caused by the quality specification or performance of

parts and components that produced by other manufacturers.

(7) The damage is caused by natural calamities, bad using environment or force majeure.

Contents

1 Safety Notices (Please be sure to abide) ......................................................................1

2 Product Introduction ......................................................................................................4

2.1 Names of Key Components..................................................................................................... 4

2.2 Rated Working Condition......................................................................................................... 4

3 Preparations for Installation ..........................................................................................4

3.1 Standard Fittings...................................................................................................................... 4

3.2 Installation Position Selection.................................................................................................. 5

3.3 Requirements of Communication Wire Selection .................................................................... 6

3.4 Wiring Requirement................................................................................................................. 7

4 Installation Instructions .................................................................................................8

4.1 Indoor Unit Installation............................................................................................................. 8

4.2 Refrigerant Pipe Connection ..................................................................................................11

4.3 Drainage Pipe Installation and Drainage System Testing...................................................... 12

4.4 Panel Installation ................................................................................................................... 15

4.5 Wired Controller Installation .................................................................................................. 16

5 Wiring Work...................................................................................................................17

5.1 Connection of Wire and Patch Board Terminal...................................................................... 17

5.2 Power Cord Connection ........................................................................................................ 18

5.3 Connection of Communication Wire between Indoor Unit and Outdoor Unit (or indoor unit) 18

5.4 Connection of Communication Wire for Wired Controller...................................................... 19

5.5 Instructions on Connecting Wired Controller and Indoor Units Network ............................... 19

6 Routine Maintenance....................................................................................................21

6.1 Cleaning of Filter ................................................................................................................... 21

6.2 Maintenance Before The Seasonal Use................................................................................ 21

6.3 Maintenance After The Seasonal Use ................................................................................... 21

7 Table of Error Codes for Indoor Unit...........................................................................22

8 Troubleshooting............................................................................................................22

Multi Variable Air Conditioners Cassette Type Indoor Unit

1 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.

WARNING!

This product can’t be installed at corrosive, inflammable or explosive environment or the place

with special requirements, such as kitchen. Otherwise, it will affect the normal operation or

shorten the service life of the unit, or even cause fire hazard or serious injury. As for above

special places, please adopt special air conditioner with anti-corrosive or anti-explosion

function.

This Multi VRF System shall only be connected to an appliance suitable for the same

refrigerant.

All units in Manual Cover is a partial unit, complying with partial unit of IEC

60335-2-40:2018, and must only be connected to other units that have been confirmed as

complying to corresponding partial unit requirements of this international standard.

The electrical interface shall comply with electrical security requirement, voltage shall be

220-240V~50Hz or 208-230V~60Hz, current shall be referred to the table of “Dimension of

power cord and capacity of air switch” in Section 3.4, and safety class of construction is I.

Please install the unit

according to instructions in this

manual. Read this manual

carefully before starting up or

checking the machine.

Installation should be

performed by dealer or

qualified technicians. Do not

install the product by yourself.

Improper installation may result

in water leakage, electric shock

or fire hazard.

Make sure the local power

supply is in accordance with

units before installation, and

check the power supply

carefully.

This air conditioner must be

properly grounded through the

receptacle to avoid electric

shock. The grounding wire

shouldn't be connected with

gas pipe, water pipe, lightning

arrester or telephone line.

Please use specialized

accessories or parts to carry

out installation, or water

leakage, electric shock, fire

hazard may resulted.

R410A refrigerant can produce

poisonous gas once it meets

fire, so please ventilate the

room immediately if refrigerant

leaks out during installation.

Multi Variable Air Conditioners Cassette Type Indoor Unit

Diameter of power cord must

be large enough. Damaged

power cord and connecting

wire must be replaced by

specialized electric cable.

After the power cord is

connected, please install the

cover of electric box to avoid

danger.

Nitrogen must be charged

according to technical

requirements.

Short circuit is forbidden. Do

not cancel the pressure switch

in case the unit may be

damaged.

For units with wired controller,

do not connect power supply

until the wired controller is well

installed. Otherwise, the wired

controller cannot be used.

When the installation is

finished, please check and

make sure the drain pipe,

pipeline and electric wire are all

well connected in order to

avoid water leakage,

refrigerant leakage, electric

shock or fire hazard.

Do not extend fingers or

objects into air outlet or air

return grille.

If you use gas heater or

petroleum heater in the same

room, please open the door or

window to maintain good air

circulation in case the room

may lack of oxygen.

Never start or stop the air

conditioner by inserting or

removing the power cord.

Do not turn off the air

conditioner until it runs for at

least 5 minutes. Otherwise,

oil-return of the compressor will

be affected.

Children are not allowed to

operate the air conditioner. Do not operate the air

conditioner with wet hands.

Please turn the unit off and

unplug your air conditioner

before cleaning. Otherwise, it

may cause electric shock or

personal injury.

Do not spray water on the air

conditioner or it will cause

malfunction or electric shock.

Do not expose the air

conditioner directly to water or

place it in a damp or corrosive

environment.

Connect power supply 8 hours

before operation. Do not

disconnect power if you want to

stop the unit in a short period of

time, e.g. in one night (This is

for protecting the compressor).

Multi Variable Air Conditioners Cassette Type Indoor Unit

Volatile liquid like thinner or

gasoline will damage the

appearance of air conditioner.

Please use soft dry cloth or wet

cloth with mild detergent to

clean the outer case of air

conditioner.

During Cooling mode, indoor

temperature should not be set

too low. Keep the difference

between indoor temp and

outdoor temp within 5℃.

If abnormal condition occurs

(e.g. unpleasant smell), please

turn off the unit at once and

disconnect power supply. Then

contact GREE service center. If

the air conditioner continues to

operate despite of abnormal

condition, the unit may be

damaged and it may cause

electric shock or fire hazard).

Do not repair the air

conditioner by yourself.

Improper repair will cause

electric shock or fire hazard.

Please contact GREE service

center and have it repaired by

professional technicians.

Any personal injury or property loss caused by improper installation, improper debug, unnecessary

repair or not following the instructions of this manual should not be the responsibility of Gree Electric

Appliances, Inc. of Zhuhai.

Correct Disposal of this product

his 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 return 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.

Multi Variable Air Conditioners Cassette Type Indoor Unit

2 Product Introduction

2.1 Names of Key Components

Fig.2.1

No.

①②③④⑤⑥

Name

Air Outlet

Filter

Air Inlet Grille

Fittings

Louver

Drainage Pipe

2.2 Rated Working Condition

Indoor Side Condition

Outdoor Side Condition

Dry Bulb Temp (°C)

Wet Bulb Temp (°C)

Dry Bulb Temp (°C)

Wet Bulb Temp (°C)

Rated Cooling

Rated Heating

3 Preparations for Installation

NOTE! This picture is for reference only, please refers to the actual product, the unit of dimension is

mm.

3.1 Standard Fittings

Use the following provided accessories according to the requirement.

No. Name Appearance Q'ty Usage

1 wireless controller 1 set To control the indoor unit.

2 paper pattern for

installation 1 Locate the drill hole on ceiling.

3 Tapping screw with washer 4 Fix paper pattern.

4 Washer fixing plate 4 Prevent the washer from falling off.

Multi Variable Air Conditioners Cassette Type Indoor Unit

No.

Name

Appearance

Q'ty

Usage

5 Drain Hose Assembly 1 To connect with the hard PVC drain

pipe.

6 Special Nut

2 GMV-ND28~50T/A-T.

1 GMV-ND56~160T/A-T.

Corrugated pipe

GMV-ND56~160T/A-T.

8 M10 Washer 10 To be used together with the

hanger bolt for installing the unit.

9 Insulation 1 To insulate the gas pipe.

10 Insulation 1 To insulate the liquid pipe.

11 Sponge 4 To insulate the drain pipe.

Fastener

To fasten the sponge.

3.2 Installation Position Selection

(1) The appliance shall not be installed in the laundry.

(2) The location should be able to withstand the weight of unit.

(3) The water can be drained conveniently from drainage pipe.

(4) There should be no obstruction near air inlet and air outlet.

(5) Follow the installation distance required in the fig below to ensure sufficient space for

maintenance.

(6) The installation location should be far from heat sources, flammable or explosive gas, or smog

spread in the air.

(7) The indoor unit, outdoor unit, power cord and connection electricity wire should be at least 1m

from television and radio in order to prevent interference and noise (Even though 1m distance is

ensure, there may be noise if the electric wave is too strong).

Unit:mm

Fig.3.2

Multi Variable Air Conditioners Cassette Type Indoor Unit

Unit:mm

Model

GMV-ND28~50T/A-T 220

GMV-ND56~80T/A-T

270

GMV-ND90~140T/A-T

350

GMV-ND160T/A-T

310

NOTES!

①The unit shall be installed in accordance with national standards or local regulations.

②Only qualified personnel can carry out installation work, please contact with local dealer before

installation.

③Make sure all the installation work completed before energizing.

④The appliances are not accessible to general public.

3.3 Requirements of Communication Wire Selection

NOTE! If air conditioner used under strong electronic-magnetic interference circumstance, STP

(shielded twisted pair) communication cable must be adopted.

3.3.1 Selection of Communication Wire Between Indoor Unit and Wired Controller

Fig.3.3.1

Wire type

Total length of

communication wire b

etween

indoor unit and wired

controller (m)

Wire diameter

(mm²) Wire standard Remark

Light/normal PVC

hose L≤250 2×0.75

~2×1.25

IEC

60227-5

1. Total length of communication

line can't exceed 250m.

2. The cord shall be Circular cord

(the cores shall be twisted

together).

3. If unit is installed in places with

intense magnetic field or strong

interference, it is necessary to

use shielded wire.

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