Gree GMV-ND50C/A-T GMV-ND22PHS/B-T Bedienungsanleitung

Owner's Manual

Original Instructions

Commercial Air Conditioners

Super High Static Pressure Duct Type

Indoor Unit

Models:

GMV-ND22PHS/B-T GMV-ND25PHS/B-T GMV-ND28PHS/B-T GMV-ND32PHS/B-T

GMV-ND36PHS/B-T GMV-ND40PHS/B-T GMV-ND45PHS/B-T GMV-ND50PHS/B-T

GMV-ND56PHS/B-T GMV-ND63PHS/B-T GMV-ND71PHS/B-T GMV-ND80PHS/B-T

GMV-ND90PHS/B-T GMV-ND100PHS/B-T GMV-ND112PHS/B-T GMV-ND125PHS/B-T

GMV-ND140PHS/B-T GMV-ND160PHS/B-T

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:

(1) This appliance is not intended for use by persons (including children) with reduced

physical, sensoryor 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.

(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 has gone through strict inspection and operational test before leaving the

factory. In order to avoid damage due to improper disassembly and inspection, whichmay

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.

(5) 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.

(6) 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).

(7) 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.

(8) The final right to interpret for this instruction manual belongs to Gree Electric Appliances

Inc. of Zhuhai.

Contents

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

2 Product Introduction........................................................................................................... 3

2.1 Names of Key Components................................................................................................ 3

2.2 Rated Working Condition.................................................................................................... 3

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

3.1 Standard Fittings................................................................................................................. 3

3.2 Location for Installation....................................................................................................... 4

3.3 Requirements for Communication Line .............................................................................. 5

3.4 Wiring Requirements .......................................................................................................... 6

4 Installation Instructions....................................................................................................... 7

4.1 Installation of Indoor Unit.................................................................................................... 7

4.2 Refrigerant Pipe Connection............................................................................................... 9

4.3 Drainage Pipe Installation and Drainage System Testing .................................................. 9

4.4 Installation ofAir Duct....................................................................................................... 13

4.5 Installation of Wired Controller.......................................................................................... 15

5 Wiring Work.......................................................................................................................16

5.1Connection of Wire and Patch Board Terminal.................................................................. 16

5.2Power Cord Connection .................................................................................................... 17

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

................................................................................................................................................. 17

5.4 Connect Communication Wire of Wired Controller........................................................... 18

5.5 Illuminate for Connection of Wired Controller and Indoor Units Network......................... 18

6 Setting of External Static Pressure....................................................................................20

7 Routine Maintenance.........................................................................................................20

7.1 Cleaning of Filter............................................................................................................... 20

7.2 Maintenance before the Seasonal Use ............................................................................ 20

7.3 Maintenance after the Seasonal Use................................................................................ 20

8 Table of Error Codes for Indoor Unit..................................................................................21

9 Troubleshooting.................................................................................................................21

Multi Variable Air Conditioners Ducted 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.

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.

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.

Multi Variable Air Conditioners Ducted Type Indoor Unit

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.)

Volatile liquid like thinner or

gasoline will damage the

appearance of air conditioner.

(Please use soft dry cloth and

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°C.

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

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 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.

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

Multi Variable Air Conditioners Ducted Type Indoor Unit

2 Product Introduction

2.1 Names of Key Components

Fig 2.1

No.

①

②

③

④

⑤

⑥

⑦

Name

Drain Pipe

Control

box

Pothook

Gas pipe

Liquid pipe

Air-return

Opening

Air Outlet

2.2 Rated Working Condition

Indoor Side Condition

Outdoor Side Condition

Dry Bulb Temp℃(℉)

Wet Bulb Temp℃(℉)

Dry Bulb Temp℃(℉)

Wet Bulb Temp℃(℉)

Rated Cooling

27(80.6)

19(66.2)

35(95)

24(75.2)

Rated Heating

20(68.0)

15(59.0)

7(44.6)

6(42.8)

3 Preparations for Installation

Note: Product graphics are only for reference. Please refer to actual products. Unspecified

measure unit is mm.

3.1 Standard Fittings

Please use the supplied standard fittings listed below as instructed.

No.

Name

Appearance

Q'ty

Usage

Wired Controller

To control the indoor unit

Drain Hose Assembly

To connect with the hard PVC drain pipe

Special Nut

To be used for connecting the refrigerant

pipe

Multi Variable Air Conditioners Ducted Type Indoor Unit

No.

Name

Appearance

Q'ty

Usage

M10X8 Nut with Washer

To be used together with the hanger bolt

for installing the unit.

M10 Nut (M10X8.4 Nut)

To be used together with the hanger bolt

for installing the unit.

M10 Washer (Spring Washer

M10X2.6)

To be used together with the hanger bolt

for installing the unit.

Insulation

To insulate the gas pipe

Insulation

To insulate the liquid pipe

Sponge

To insulate the drain pipe

Fastener

To fasten the sponge

Note: User can purchase remote controller and receiver otherwise by himself.

3.2 Location for Installation

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

(2) The top holder must be strong enough to support unit’s weight.

(3) Drain pipe can drain water out easily.

(4) There is no obstacle at inlet or outlet. Please ensure good air circulation.

(5) In order to make sure the space for maintenance, please install the indoor unit according

to the dimension described below.

(6) Keep the unit away from heating source, inflammable gas or smoke.

(7) This is a concealed ceiling type unit.

(8) Indoor unit, outdoor unit, power cord and electric wire should stay at least 1m from the TV

set and radio. Otherwise, these electrical appliances may have image interference and

noise. (Even if the distance is 1m, when there is strong electric wave, noise may still

occur.)

Multi Variable Air Conditioners Ducted Type Indoor Unit

Fig 3.2

Notes:

①Installation of the unit must be in accordance with National Electric Codes and local

regulations.

②Improper installation will affect unit’s performance, so do not install the unit by yourself.

Please contact local dealer to arrange professional technicians for the installation.

③Do not connect power until all installation work is finished.

3.3 Requirements for Communication Line

Caution:

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

(shielded twisted pair) communication cable must be adopted.

3.3.1 Select Communication Line for Indoor Unit and Wired Controller

Fig 3.3.1

Multi Variable Air Conditioners Ducted Type Indoor Unit

Material type

Total length of

communication

line between

indoor unit and

wired controller L

(m/ft.)

Wire size

(mm2/AWG)

Material

Standard

Remarks

Light/Ordinary

polyvinyl chloride

sheathed cord.

(60227 IEC 52

/60227 IEC 53)

L≤250m

(L≤820-1/5ft.)

2×0.75~2×1.25

(2×AWG18~2×A

WG16)

IEC

60227-5

1)Total length of communication

line can't exceed 250m (820-

1/5ft.).

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.

3.3.2 Select Communication Line for Indoor Unit and Indoor Unit (Outdoor Unit)

Fig 3.3.2

Material Type

Total Length L

(m/ft.) of

Communication

Cable between

Indoor Unit and

Indoor (Outdoor)

Unit

Wire size

(mm2/AWG)

Material

Standard

Remarks

Light/Ordinary

polyvinyl

chloride

sheathed cord.

(60227 IEC 52

/60227 IEC 53)

L≤1000m

(L≤3280-5/6ft.)

≥2×0.75

(≥2×AWG18)

IEC 60227-5

1)If the wire diameter is enlarged to 2×1

mm2(2×AWG16), the total

communication line length can reach

1500 m (4921-1/4ft.).

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.

3.4 Wiring Requirements

(1) Power Cord Size and Air Switch Capacity

Model

Power Cord Size

Air Switch

Capacity

(A)

Minimum Sectional

Area of Ground Wire

(mm2)

Minimum

Sectional Area

of Power Cord

(mm2)

GMV-ND22~160PHS/B-T

220~240V-1ph-50Hz

208~230V-1ph-60Hz

1.0

Notes:

①Use copper wire only as unit’s power cord. Operating temperature should be within its

rated value.

②If the power cord is more than 15m long, please increase properly the sectional area of

Multi Variable Air Conditioners Ducted Type Indoor Unit

power cord to avoid overload, which may cause accident.

③Above selection requirements: Power cord size is based on BV single-core wire (2~4pc)

at 40°Cambient temperature when laying across plastic pipe. Air switch is D type and used

at 40°C. If actual installation condition varies, please lower the capacity appropriately

according to the specifications of power cord and air switch provided by manufacturer.

④If the supply cord is damaged, it must be replaced by the manufacturer or its service agent

or a similarly qualified person in order to avoid a hazard.

(2) Install cut-off device near the unit. The minimum distance between each stage of cut-off

device should be 3mm (The same for both indoor unit and outdoor unit).

4 Installation Instructions

4.1 Installation of Indoor Unit

4.1.1 Outline Dimension and Installation Spots

Equip with an inspection hatch after lifting the unit. For the convenience of maintenance, the

service port should be on one side of the electric box and below unit’s lower level.

Fig 4.1.1

Below are dimensions of A, B, C, etc. for different models:

Unit: mm

Model

GMV-ND22~50PHS/B-T

740

500

830

300

754

700

GMV-ND56~80PHS/B-T

1040

500

1130

300

754

1000

700

GMV-ND90~125PHS/B-T

1440

500

1530

300

754

1400

700

GMV-ND140~160PHS/B-T

1440

500

1580

300

754

1400

700

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