Gree GMV-ND07T/B-T Bedienungsanleitung

Owner's Manual

Original Instructions

Commercial Air Conditioners

Multi Variable Air Conditioners

Compact Cassette Type Indoor Unit

Models:

GMV-ND07T/B-T(U)

GMV-ND09T/B-T(U)

GMV-ND12T/B-T(U)

GMV-ND15T/B-T(U)

GMV-ND18T/B-T(U)

Preface

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

instructions, please be aware of the following items:

This is the safety alert symbol. It is used to alert you to potential personal

injury hazards. Obey all safety messages that follow this symbol to avoid

possible injury or death.

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

the death or serious injury of the user.

This mark indicates procedures which, if improperly performed, might

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

NOTICE is used to address practices not related to personal injury.

(1) Instructions for installation and use of this product are provided by the manufacturer.

(2) Installation must be performed in accordance with the requirements of NEC and CEC by

authorized personnel only.

(3) For the safe operation of this unit, please read and follow the instructions carefully.

(4) 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.

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

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

provide the following information:

1) Content on the nameplate (model number, cooling capacity, production code, ex-factory

date.)

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

(7) 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.

(8) Installation must be performed in accordance with the requirements of NEC and CEC by

authorized personnel only.

User Notice

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.

DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such

waste separately for special treatment is necessary.

Exception Clauses

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

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 Precautions..................................................................................................... 1

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

2.1 Names of Key Components.............................................................................................. 2

2.2 Rated Working Condition.................................................................................................. 2

3 Preparations for Installation ..................................................................................... 2

3.1 Standard Fittings............................................................................................................... 2

3.2 Installation Position Selection ........................................................................................... 3

3.3 Requirements for Communication Line............................................................................. 4

3.4 Wiring Requirement.......................................................................................................... 5

4 Installation Instructions ............................................................................................ 6

4.1 Installation of Indoor Unit.................................................................................................. 6

4.2 Refrigerant Pipe Connection............................................................................................. 8

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

4.4 Panel Installation .............................................................................................................12

4.5 Installation of Wired Controller.........................................................................................14

5 Wiring Work.............................................................................................................. 14

5.1 Connection of Wire and Patch Board Terminal.................................................................15

5.2 Power Cord Connection...................................................................................................15

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

..............................................................................................................................................16

5.4 Connect Communication Wire of Wired Controller...........................................................16

5.5 Illuminate for Connection of Wired Controller and Indoor Units Network..........................17

6 Routine Maintenance............................................................................................... 19

6.1 Cleaning of Filter .............................................................................................................19

6.2 Maintenance before the Seasonal Use............................................................................19

6.3 Maintenance after the Seasonal Use...............................................................................19

7 Table of Error Codes for Indoor Unit...................................................................... 19

8 Troubleshooting....................................................................................................... 20

Multi Variable Air Conditioners Compact Cassette Type Indoor Unit

1 Safety Precautions

(1) 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.

(2) Follow this instruction to complete the installation work. Please carefully read this manual

before unit startup and service.

(3) Wire size of power cord should be large enough. The damaged power cord and connection

wire should be replaced by exclusive cable.

(4) After connecting the power cord, please fix the electric box cover properly in order to avoid

accident.

(5) Never fail to comply with the nitrogen charge requirements. Charge nitrogen when welding

pipes.

(6) Never conditioners short-circuit or cancel the pressure switch to prevent unit damage.

(7) Please firstly connect the wired controller before energization, otherwise wired controller

cannot be used.

(8) Before using the unit, please check if the piping and wiring are correct to avoid water leakage,

refrigerant leakage, electric shock, or fire etc.

(9) Do not insert fingers or objects into air outlet/inlet grille.

(10)Open the door and window and keep good ventilation in the room to avoid oxygen deficit when

the gas/oil supplied heating equipment is used.

(11)Never start up or shut off the air conditioner by means of directly plug or unplug the power

cord.

(12)Turn off the unit after it runs at least five minutes; otherwise it will influence oil return of the

compressor.

(13)Do not allow children operate this unit.

(14)Do not operate this unit with wet hands.

(15)Turn off the unit or cut off the power supply before cleaning the unit, otherwise electric shock or

injury may happen.

(16)Never spray or flush water towards unit, otherwise malfunction or electric shock may happen.

(17)Do not expose the unit to the moist or corrosive circumstances.

(18)Under cooling mode, please don't set the room temperature too low and keep the temperature

difference between indoor and outdoor unit within 5°C(41°F).

(19)User is not allowed to repair the unit. Fault service may cause electric shock or fire accidents.

Please contact Gree appointed service center for help.

(20)Before installation, please check if the power supply is in accordance with the requirements

specified on the nameplate.And also take care of the power safety.

(21)Installation should be conducted by dealer or qualified personnel. Please do not attempt to

install the unit by yourself. Improper handling may result in water leakage, electric shock or fire

disaster etc..

(22)The control box should be installed inside.

(23)Be sure to use the exclusive accessory and part to prevent the water leakage, electric shock

and fire accidents.

(24)Make sure the unit can be earthed properly and soundly after plugging into the socket so as to

avoid electric shock. Please do not connect the ground wire to gas pipe, water pipe, lightning

rod or telephone line.

(25)Electrify the unit 8 hours before operation. Please switch on for 8 hours before operation. Do

not cut off the power when 24 hours short-time halting (to protect the compressor).

(26)If refrigerant leakage happens during installation, please ventilate immediately. Poisonous gas

will emerge if the refrigerant gas meets fire.

(27)Volatile liquid, such as diluent or gas will damage the unit appearance. Only use soft cloth with

a little neutral detergent to clean the outer casing of unit.

(28)If anything abnormal happens (such as burning smell), please power off the unit and cut off the

main power supply, and then immediately contact Gree appointed service center. If

abnormality keeps going, the unit might be damaged and lead to electric shock or fire.

Multi Variable Air Conditioners Compact Cassette Type Indoor Unit

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.

2 Product Introduction

2.1 Names of Key Components

Fig.2.1.1

No.

①

②

③

④

⑤

Name

The hanger

bracket

Drainage

Pipe

Louver

Connection

Pipe

Air Inlet Grille

(With Filter)

2.2 Rated Working Condition

Indoor Side Condition

Outdoor Side Condition

Dry Bulb Temp

°C (°F)

Wet Bulb Temp

°C(°F)

Dry Bulb Temp

°C(°F)

Wet Bulb Temp

°C(°F)

Rated Cooling

26.7(80)

19.4(67)

35(95)

24(75)

Rated Heating

21.1(70)

15.6(60)

8.3(47)

7.1(45)

3 Preparations for Installation

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

measure unit is mm (inch).

3.1 Standard Fittings

Please use the supplied standard fittings listed below as instructed.

No.

Name

Appearance

Q'ty

Usage

Drainage hose

assembly

To connect the drainage

pipe

2 Special Nut 2 GMV-ND07~15T/B-T(U)

1GMV-ND18T/B-T(U)

Corrugated pipe

GMV-ND18T/B-T(U)

Insulation

To insulate the gas pipe

Insulation

To insulate the liquid pipe

Multi Variable Air Conditioners Compact Cassette Type Indoor Unit

No.

Name

Appearance

Q'ty

Usage

6 Sponge 2 To insulate the drain pipe

Fastener

To fasten the sponge

Paper pattern for

installation

Locate the drill hole on

ceiling

Tapping screw with

washer

4 Fix paper pattern

10 Remote controller 1+2 To control the indoor unit

11 Washer fixing plate 4

Prevent the washer from

falling off

12 Remote controller

holder 1 Used for holding the

remote controller

13 Tapping screw 2

Used for fixing the remote

controller holder

3.2 Installation Position Selection

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

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

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

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

maintenance.

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

smog spread in the air.

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

(7) Appliances are not accessible to general public.

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

1m (3-1/4ft.) from television and radio in order to prevent interference and noise. (Even

though 1m (3-1/4ft.) distance is ensured, there may be noise if the electric wave is too

strong.)

Unit: mm (inch)

Fig.3.2.1

Multi Variable Air Conditioners Compact Cassette Type Indoor Unit

Unit: mm (inch)

Model

GMV-ND07~18T/B-T(U)

255(10)

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

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

installation.

(3) Make sure all the installation work completed before energizing.

3.3 Requirements for Communication Line

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

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≤250

(L≤820-3/16)

2×0.75

~2×1.25

(2×AWG18

~2×AWG16)

IEC

60227-5

1.Total length of communication

line can't exceed 250m (820ft).

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 Selection of Communication Wire between Indoor Unit and Indoor Unit (or Outdoor

Unit)

Fig.3.3.2

Multi Variable Air Conditioners Compact Cassette Type Indoor Unit

Material Type

Total Length L

(m/ft.) of

Communication

Cable between

Indoor Unit and

Indoor (Outdoor)

Wire size

(mm2/AWG) Material

standard Remarks

Light/Ordinary

polyvinyl

chloride

sheathed cord.

(60227 IEC 52

/60227 IEC 53)

L≤1000

(L≤3280-13/16) ≥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 1500m (4920ft).

The cord shall be Circular cord

(The cores shall be twisted

together).

If unit is installed in places with

intense magnetic field or strong

interference, it is necessary to

use shielded wire.

3.4 Wiring Requirement

Power Cord Size and Air Switch Capacity

Model

Power Supply

MCA(A)

MOP(A)

GMV-ND07T/B-T(U)

208/230V-1ph-60Hz

2 15

GMV-ND09T/B-T(U) 2 15

GMV-ND12T/B-T(U) 2 15

GMV-ND15T/B-T(U) 2 15

GMV-ND18T/B-T(U) 2 15

(1) An all-pole disconnection switch having a contact separation of at least 3mm (1/8 inch) in all

poles should be connected in fixed wiring.

(2) The circuit breaker and power cord specification in above sheet are based on max power (max

current) of the unit.

(3) The power cord specification in above sheet is based on ambient temperature of 40°C (104°F).

(4) The circuit breaker specification in above sheet is based on ambient temperature of 40°C

(104°F). If the working condition is different, please adjust it according to the specification sheet

of circuit breaker.

Multi Variable Air Conditioners Compact Cassette Type Indoor Unit

4 Installation Instructions

4.1 Installation of Indoor Unit

4.1.1 Ceiling opening Dimension and suspension bolt position.

Fig.4.1.1

Unit: mm (inch)

Model

GMV-ND07T/B-T(U)

GMV-ND09T/B-T(U)

GMV-ND12T/B-T(U)

GMV-ND15T/B-T(U)

GMV-ND18T/B-T(U)

670

(26 3/8) 570

(22 7/16) 570

(22 7/16) 495

(19 1/2) 600

(23 5/8)

4.1.2 Suspend the Indoor Unit

(1) Drill bolt holes and install bolts

1) Stick the reference cardboard on the installation position; drill 4 holes according to the

hole site on the cardboard as shown in fig. 4.1.2; diameter of drilling hole is according to

the diameter of expansion bolt and the depth is 60-70mm (2-3/8~2-3/4 inch), as shown in

fig.4.1.3.

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