Gree GMV-ND28T/A-T User manual

Change for life
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 [email protected] 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.
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
Owner's Manual
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

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.
●
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.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

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 ............................................................................................. 3
3 Preparations for Installation.....................................................................4
3.1 Standard Fittings......................................................................................... 4
3.2 Installation Position Selection ..................................................................... 5
3.3 Requirements of communication wire selection.......................................... 5
3.4 Wiring Requirement .................................................................................... 6
4 Installation Instructions............................................................................8
4.1 Indoor unit installation ................................................................................. 8
4.2 Refrigerant Pipe Connection....................................................................... 9
4.3 Drainage Pipe Installation and Drainage System Testing ......................... 10
4.4 Panel installation....................................................................................... 12
4.5 Wired controller installation....................................................................... 13
5 Wiring Work ...........................................................................................14
5.1 Connection of Wire and Patch Board Terminal ......................................... 14
5.2 Power Cord Connection............................................................................ 14
5.3 Connection of Communication Wire between Indoor Unit and Outdoor
Unit(or indoor unit) .......................................................................................... 15
5.4 Connection of Communication Wire for Wired Controller ......................... 15
5.5 Illuminate for Connection of Wired Controller and Indoor Units Network. 16
6 Routine Maintenance.............................................................................18
6.1 Cleaning of Filter....................................................................................... 18
6.2 Maintenance before the Seasonal Use..................................................... 18
6.3 Maintenance after the Seasonal Use........................................................ 18
7 Table of Error Codes for Indoor Unit......................................................19
8 Troubleshooting.....................................................................................19
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
1
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.
Please install the unit according
to instructions in this manual.
Read this manual carefully
before starting up or checking
the machine.
For units with wired controller,
do not connect power supply
until the wired controller is well
installed. Otherwise, the wired
controller cannot be used.
Diameter of power cord must
be large enough. Damaged
power cord and connecting
wire must be replaced by
specialized electric cable.
Nitrogen must be charged
according to technical
requirements.
Make sure the local power
supply is in accordance with
units before installation,
and check the power supply
carefully.
Installation should be
performed by dealer or qualied
technicians. Do not install the
product by yourself. Improper
installation may result in water
leakage, electric shock or re
hazard.
Please use specialized
accessories or parts to carry
out installation,or water
leakage, electric shock,re
hazard may resulted.
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.
R410A refrigerant can produce
poisonous gas once it meets
fire, so please ventilate the
room immediately if refrigerant
leaks out during installation.
After the power cord is
connected, please install the
cover of electric box to avoid
danger.
Short circuit is forbidden.
Do not cancel the pressure
switch in case the unit may be
damaged.
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.
N2
Specialized
Fittings
Specialized
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
2
＜5Min

26 C
30 C
Do not extend ngers or
objects into air outlet or air
return grille.
Never start or stop the air
conditioner by inserting or
removing the power cord.
Children are not allowed to
operate the air conditioner.
Please turn the unit off and
unplug your air conditioner
before cleaning. Otherwise, it
may cause electric shock or
personal injury.
Do not expose the air
conditioner directly to water or
place it in a damp or corrosive
environment.
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.)
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 re hazard.)
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.
Do not turn off the air
conditioner until it runs for at
least 5 minutes. Otherwise, oil-
return of the compressor will be
affected.
Do not operate the air
conditioner with wet hands.
Do not spray water on the
air conditioner or it will cause
malfunction or electric shock.
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.)
During Cooling mode, indoor
temperature should not be set
too low. Keep the difference
between indoor temp and
outdoor temp within 5°C.
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.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
3
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
1
2
3
4
5
6
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 27 19 35 24
Rated Heating 20 15 7 6
Indoor Unit Working Temperature Range:16°C~ 32°C.
2.3 Unit Functions
Unit Functions Wired Controller
XK46(Optional)
Wired Controller
XK49(Optional)
Remote Controller
YAD1F(Standard)
Remote Controller
YV1L1(Optional)
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
Filter Cleaning Reminding
Function
I Feel
Light Function
Swing
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
4
Notes:
①
√: included, X: not included
②
Please refer to the user manual of Wired Controller or Remote Controller for function details.
3 Preparations for Installation
Note: this picture is for reference only, please refer 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
1wireless controller 1 To control the indoor unit
2paper pattern for installation
Lifting bolt distance is
680mm
Lifting bolt distance is 780mm
INSTALLATION MODEL PAPER
Drainage side
Pipe side
Installationhole
inthe main body
Centerof ceiling opening
Archinstallation paper
Ceiling
Articulation
Screw
Installationhole
inthe main body
Installationhole
inthe main body
Installationhole
inthe main body
1Locate the drill hole on ceiling
3Tapping screw with washer 4Fix paper pattern
4Washer xing plate 4Prevent the washer from falling off
5Drain Hose Assembly 1To connect with the hard PVC drain
pipe
6 Special Nut 1To be used for connecting the
refrigerant pipe
7M10X8 Nut with Washer 4To be used together with the
hanger bolt for installing the unit.
8M10 Nut (M10X8.4 Nut) 4To be used together with the
hanger bolt for installing the unit.
9M10 Washer (Spring Washer
M10X2.6) 4To be used together with the
hanger bolt for installing the unit.
10 Insulation 1 To insulate the gas pipe
11 Insulation 1 To insulate the liquid pipe
12 Sponge 1 To insulate the drain pipe
13 Fastener 4 To fasten the sponge
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
5
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, ammable 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
H
>20
90~140
28~50
Ceiling
Wall
Floor
Wal
Model
H
210
260
340
56~80
160
315
Fig 3.2
Notes:
①
The unit shall be installed in accordance with national standards or local regulations..
②
Only qualied 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 of communication wire selection
Notes:
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
Sub-master
Controller
Master
Controller
Indoor Unit 1 Indoor Unit 2 Indoor Unit 3 Indoor Unit n
L=Lx1+Lx2+L1+L2+......+L(n-1)(n≤16)
L1
Lx1Lx2
L2 L(n-1)
Fig 3.3.1
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
6
Wire type
Total length of
communication wire between
indoor unit and wired
controller (m)
Wire diameter
(mm2)Wire standard Remark
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤250 2×0.75~2×1.25 IEC 60227-
5:2007
1. Total length of
communication cable
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 eld 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)
Indoor Unit 1 Indoor Unit 2 Indoor Unit n
Outdoor
unit1
Outdoor
unit 2
Outdoor
unit 3
Outdoor
unit 4
LO1
L=LO1+LO2+LO3+Li1+Li2+.......+Lin(n≤80)
LO2 LO3 Lin
Fig 3.3.2
Wire type
Total length of
communication wire between
indoor unit and indoor
unit(outdoor unit) (m)
Wire diameter
(mm2)Wire standard Remark
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤1000 ≥2×0.75 IEC 60227-
5:2007
1. If the wire diameter is
enlarged to 2 × 1 mm2, the
total communication cable
length can reach 1500 m.
2. The cord shall be
Circular cord (the cores shall
be twisted together).
3. If unit is installed in
places with intense magnetic
eld or strong interference,
it is necessary to use
shielded wire.
3.4 Wiring Requirement
(1) Dimension of power cord and capacity of air switch
Model Power Cord Size Air Switch Capacity
Minimum Sectional
Area of Ground
Wire
Minimum
Sectional Area of
Power Cord
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Multi Variable Air Conditioners Cassette Type Indoor Unit
7
GMV-ND28T/A-T
220~240V-1ph-50Hz
208~230V-1ph-60Hz
6 1.0 1.0
GMV-ND36T/A-T 6 1.0 1.0
GMV-ND45T/A-T 6 1.0 1.0
GMV-ND50T/A-T 6 1.0 1.0
GMV-ND56T/A-T 6 1.0 1.0
GMV-ND63T/A-T 6 1.0 1.0
GMV-ND71T/A-T 6 1.0 1.0
GMV-ND80T/A-T 6 1.0 1.0
GMV-ND90T/A-T 6 1.0 1.0
GMV-ND100T/A-T 6 1.0 1.0
GMV-ND112T/A-T 6 1.0 1.0
GMV-ND125T/A-T 6 1.0 1.0
GMV-ND140T/A-T 6 1.0 1.0
GMV-ND160T/A-T 6 1.0 1.0
Notes:
①
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should
be connected in xed wiring.
②
The circuit breaker and power cord specication in above sheet is based on max power(max
current) of the unit.
③
The power cord specication in above sheet is based on ambient temperature of 40°C.
④
The circuit breaker specication in above sheet is based on ambient temperature of 40°C. If the
working condition is different, please adjust it according to the specication sheet of circuit breaker.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.