Gree GMV-ND112ZD/A-T, GMV-ND36ZD/A-T, GMV-ND125ZD/A-T, GMV-ND63ZD/A-T, GMV-ND140ZD/A-T Owner's Manual

Change for life

Multi Variable Air Conditioners
Floor and Ceiling Type Indoor Unit

Owner's Manual

Air Conditioners

Models:
GMV-ND28ZD/A-T GMV-ND36ZD/A-T
GMV-ND50ZD/A-T GMV-ND63ZD/A-T
GMV-ND71ZD/A-T GMV-ND90ZD/A-T
GMV-ND112ZD/A-T GMV-ND125ZD/A-T
GMV-ND140ZD/A-T

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 [e-mail] 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 nal right to interpret this manual.

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.

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: This marking indicates that this product should not be disposed with

other household wastes. 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.

Contents

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

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

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

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

2.3 Unit Functions ............................................................................................................................. 4

3 Preparations for Installation .................................................................................................. 5

3.1 Standard Fittings ......................................................................................................................... 5

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

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

3.4 Wiring Requirements ..................................................................................................................7

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

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

4.2 Refrigerant Pipe Connection ..................................................................................................... 10

4.3 Drainage Pipe Installation and Drainage System Testing ......................................................... 11

4.4 Installation of Wired Controller ................................................................................................. 14

5 Wiring Work ........................................................................................................................ 15

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

5.2 Power Cord Connection ............................................................................................................ 16

5.3 Connection of Communication Wire between Indoor Unit and Outdoor Unit(or indoor unit) ....16

5.4 Connection of Communication Wire for Wired Controller ......................................................... 17

5.5 Wiring Instructions 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 ................................................................................... 20

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

Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit

Exclusive
accessory

exclusive

N

2

1 Safety Precautions

means items that must be forbidden! Otherwise, it may lead to personal injury or death or

serious damage.

means items that must be followed! Otherwise, it may lead to personal injury or property

loss.

Follow this instruction to complete

the installation work. Please

carefully read this manual before

unit startup and service.

Installation should be conducted

by dealer or qualied personnel.

Please do not attempt to install the

unit by yourself. Improper handling

may result in water leakage,

electric shock or re disaster etc.

Before installation, please check if

the power supply is in accordance

with the requirements specied on

the nameplate. And also take care

of the power safety.

Be sure to use the exclusive

accessory and part to prevent the

water leakage, electric shock and

re accidents.

Wire size of power cord should

be large enough.The damaged

power cord and connection wire

should be replaced by exclusive

cable.

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.

If refrigerant leakage happens

during installation, please ventilate

immediately. Poisonous gas will

emerge if the refrigerant gas meets

re.

After connecting the power cord,

please x the electric box cover

properly in order to avoid accident.

Never fail to comply with the

nitrigen charge requirements.

Charge nitrogen when welding

pipes.

Please rstly connect the wired

controller before energization,

otherwise wired controller can

not be used.

Never short-circiut or cancel the

pressure switch to prevent unit

damage.

Before using the unit, please check

if the piping and wiring are correct

to avoid water leakage, refrigerant

leakage, electric shock, or re etc.

1

Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit

＜5Min

24H

26

C

30

C

Do not insert fingers or objects

into air outlet/inlet grille.

Open the door and window and

keep good ventilation in the room

to avoid oxygen decit when

the gas/oil supplied heating

equipment is used.

Never start up or shut off the air

conditioner by means of directly

plug or unplug the power cord.

Do not allow children

operate this unit.

Turn off the unit or cut off the

power supply before cleaning the

unit, otherwise electric shock or

injury may happen.

Do not expose the unit

to the moist or corrosive

circumstances.

Turn off the unit after it runs at

least ve minutes; otherwise it
will inuence oil return of the

compressor.

Do not operate this unit

with wet hands.

Never spray or ush water

towards unit, otherwise

malfunction or electric shock

may happen.

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).

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.

If anything abnormal happens

(such as burning smell), please

power off the unit and cut off

the main power supply, and

then immerdiately contact Gree

appointed service center.If

abnormality keeps going, the unit

might be damaged and lead to

electric shock or re.

Under cooling mode, please

don't set the room temperature

too low and keep the

temperature difference between

indoor and outdoor unit within

.

5

User is not allowed to repair the

unit. Fault service may cause

electric shock or re accidents.

Please contact Gree appointed

service center for help.

2

Multi Variable Air Conditioners Floor and Ceiling 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

56

No.

Name Drainage Pipe

① ② ③ ④ ⑤ ⑥

4

Connection

Pipe

3

Air Inlet Grille

(With Filter)

12

Louver Main Unit Display board

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 27 19 35 24

Rated Heating 20 15 7 6

3

2.3 Unit Functions

Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit

Unit Functions

Operation Mode

(Cooling, Heating, Fan,

Dehumidifying)

Fan Speed Adjustment

Temperature Adjustment

X-fan Function

Quiet Function

Sleep Function

Save Function

E-heater Function

Memory Function

Absence Function

Timer Function

Low Temp Dehumidify

Function

Wired Controller

XK46(Optional)

Wired Controller

XK49(Optional)

Remote Controller

YAD1F(Standard)

Remote Controller

YV1L1(Optional)

Filter Cleaning

Reminding Function

I Feel

Light Function

Swing

Notes:

√: included, X: not included.

①

Please refer to the user manual of Wired Controller or Remote Controller for function details.

②

4

Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit

3 Preparations for Installation

Note:

measure unit is mm.

3.1 Standard Fittings

Use the following provided accessories according to the requirement.

No. Name Appearance Q’ty Usage

Product graphics are only for reference. Please refer to actual products. Unspecied

1 Remote controller

2 Special nut 1 To connect gas pipe

3 Special nut 1 To connect liquid pipe

4 M10X8 nut with washer 8

5 Insulation 1 To insulate the gas pipe

6 Insulation 1 To insulate the liquid pipe

7 Installation Paperboard

4-φ12

1+2 To control the indoor unit

To be used together with the suspension
bolt for installing the unit.

Locate the drill hole on ceiling

1

Or Wall

8 Fastener 4 To fasten the sponge

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.

Floor type

◆

>1500

>600

Ceiling type

◆

>300

>600

Unit: mm

>1000

5