Gree GMV-ND22PL/B-T User manual

Multi Variable Air Conditioners
Duct Type Indoor Unit
Owner's Manual
Air Conditioners
Models:
GMV-ND22PL/B-T GMV-ND25PL/B-T
GMV-ND28PL/B-T GMV-ND32PL/B-T
GMV-ND36PL/B-T GMV-ND40PL/B-T
GMV-ND45PL/B-T GMV-ND50PL/B-T
GMV-ND56PL/B-T GMV-ND63PL/B-T
GMV-ND72PL/B-T
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 final right to interpret this manual.
 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.greeproducts.es or sent email to [e-mail]
for electronic version.
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) Execution standard of GMV Multi VRF: ISO 15042-2011.
2) For the safe operation of this unit, please read and follow the instructions carefully.
3) During operation, total capacity of indoor units should not exceed the total capacity of
outdoor units. Otherwise, indoor units will not provide enough cooling or heating.
4) Direct operators or maintainers should well keep this manual.
5) 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).
6) 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.
7) All graphics in this manual are only for your reference. For sales or production reasons,
these graphics are subject to change by manufacturer without prior notice.
8) Under the standby status, the unit will consume a little power for ensuring reliability of
complete unit, maintaining normal communication and preheating refrigerant. When the
unit won’t be used for a long time, cut off the power of the complete unit. However, please
preheat it when operating the unit next time.
9) 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.
R410A(R32/125:50/50):2087.5
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 ......................................................................................................... 3
3.1 Standard Fittings................................................................................................................ 3
3.2 Location for Installation ...................................................................................................... 4
3.3 Requirements for Communication Line ............................................................................. 5
3.4 Wiring Requirements ......................................................................................................... 5
4 Installation Instructions ................................................................................................................ 6
4.1 Installation of Indoor Unit ................................................................................................... 6
4.2 Pipe Connection ................................................................................................................ 9
4.3 Installation and Test of Drain Pipe ..................................................................................... 9
4.4 Installation of Air Duct ...................................................................................................... 12
4.5 Installation of Wired Controller......................................................................................... 15
5 Wire Connection ...................................................................................................................... 15
5.1 Connection of Wire and Wiring Board Terminal ............................................................... 15
5.2 Power Cord Connection .................................................................................................. 16
5.3 Connection of Communication Line of IDU and ODU ...................................................... 17
5.4 Connection of Communication Line of Wired Controller .................................................. 17
5.5 Instructions on Connecting Wired Controller and IDU Network ....................................... 18
6 General Maintenance ................................................................................................................ 20
6.1 Cleaning of Air Filter ........................................................................................................ 20
6.2 Maintenance Before Use-season .................................................................................... 20
6.3 Maintenance After Use-season ....................................................................................... 20
7 Malfunction Codes of IDU .......................................................................................................... 20
8 Troubleshooting ......................................................................................................................... 21
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 Floor and Ceiling 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.
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
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.
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.
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.
Be sure to use the exclusive
accessory and part to
prevent the water leakage,
electric shock and fire
accidents.
Frefrigerant leakage happens
during installation, please
ventilate immediately.
Poisonous gas will emerge if
the refrigerant gas meets fire.
Wire size of power cord
should be large enough.The
damaged power cord and
connection wire should be
replaced by exclusive cable.
After connecting the power
cord, please fix the electric
box cover properly in order to
avoid accident.
Never fail to comply with the
nitrigen charge
requirements.Charge
nitrogen when welding pipes.
Never short-circiut or cancel
the pressure switch to prevent
unit damage.
Please firstly connect the
wired controller before
energization, otherwise
wired controller can not be
used.
Before using the unit, please
check if the piping and wiring
are correct to avoid water
leakage, refrigerant leakage,
electric shock, or fire etc.
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 Floor and Ceiling Type Indoor Unit
2
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
deficit 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.
Turn off the unit after it runs at
least five minutes; otherwise it
will influence oil return of the
compressor.
Do not allow children operate
this unit.
Do not operate this unit with
wet hands.
Turn off the unit or cut off
the power supply before
cleaning the unit, otherwise
electric shock or injury may
happen.
Never spray or flush water
towards unit, otherwise
malfunction or electric shock
may happen.
Do not expose the unit to the
moist or corrosive
circumstances.
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.
Under cooling mode, please
don't set the room
temperature too low and keep
the temperature difference
between indoor and outdoor
unit within 5.
I f 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
fire.
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.
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.
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 Floor and Ceiling Type Indoor Unit
3
2 Product Introduction
2.1 Names of Key Components
NO.
①
②
③
④
⑤
Name
Drain Pipe
Electric box
Hooker
Air Outlet
Air-return Opening
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
2.3 Unit Functions
Unit Functions
Wired Controller XK46
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
ｘ
Light Function
√
Swing
√
Notes:
①√: included, ｘ: not included.
②Please refer to the user manual of Wired Controller or Remote Controller for function details.
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.
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 Floor and Ceiling Type Indoor Unit
4
No.
Name
Graphics
Quantity
Purpose
1
wire controller package (including wire
controller, emergency bottom case,
instruction manual, screws, packing box)
1set
Control indoor unit
2
Remote controller
0 or 1
optional parts (including
#7 batteries)
3
Sponge for drainage pipe
2
wrap water pipe and
rubber cork for
condenser
4
Insulating materials
2
used for the joint of gas
pipe and liquid pipe for
indoor unit
5
Corrugated pipe
0 or 1
Diameter of air
pipe≥15.9
6
Union nut
1 or 2
one for the model with
corrugated pipe; two for
other models
7
Spring washer M8, nut M8, nut with
washer M8, washer M8
4
Used for hanging the
indoor unit
8
Tieline
6
Wrap the sponge at the
connection position
9
others
User Manual: 1 copy
Loosen-leaf of Instruction Manual : 1 copy (harmful substance content table)
Qualified Certificate: 1 copy
Bar Code : 1 copy
3.2 Location for Installation
1) The top holder must be strong enough to support unit's weight.
2) Drain pipe can drain water out easily.
3) There is no obstacle at inlet or outlet. Please ensure good air circulation.
4) In order to make sure the space for maintenance, please install the indoor unit according to the
dimension described below.
5) Keep the unit away from heating source, inflammable gas or smoke.
6) This is a concealed ceiling type unit.
7) 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.)
8) The appliance shall not be installed in the laundry.
Unit: mm
Fig 3.1
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Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
5
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
Notes:
If the unit is installed in the place with strong electromagnetic interference, shielded wire must be
applied on the communication wire between indoor unit and wired controller. Twisted pair line with
shielding function must be applied on the communication wire between indoor unit and indoor unit
(outdoor unit).
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/feet)
Wire size
(mm2/AWG)
Material
Standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L≤250m
(L≤820-1/5feet)
2×0.75~2×1
.25
(2×AWG18~
2×AWG16)
IEC
60227-5:
2007
1.Total length of communication line can't
exceed 250m (820-1/5feet).
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 outdoor unit
Fig 3.3.2
Material Type
Total Length L (m/feet)
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≤3280-5/6feet)
≥2×0.75
(≥2×AWG18)
IEC
60227-5:2007
1. If the wire diameter is enlarged to
2×1 mm2 (2×AWG16), the total
communication line length can
reach 1500 m (4921-1/4feet).
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.
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 Floor and Ceiling Type Indoor Unit
6
3.4 Wiring Requirements
（1）
Power Cord Size and Air Switch Capacity
Model
Power Supply
Air Switch
Capacity(A)
Minimum Sectional Area
of Ground Wire(mm2)
Minimum Sectional Area
of Power Cord(mm2)
GMV-ND22PL/B-T
220~240V-1Ph-50Hz
208~230V-1Ph-60Hz
6
1.0
1.0
GMV-ND25PL/B-T
6
1.0
1.0
GMV-ND28PL/B-T
6
1.0
1.0
GMV-ND32PL/B-T
6
1.0
1.0
GMV-ND36PL/B-T
6
1.0
1.0
GMV-ND40PL/B-T
6
1.0
1.0
GMV-ND45PL/B-T
6
1.0
1.0
GMV-ND50PL/B-T
6
1.0
1.0
GMV-ND56PL/B-T
6
1.0
1.0
GMV-ND63PL/B-T
6
1.0
1.0
GMV-ND72PL/B-T
6
1.0
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 power cord to
avoid accident due to overload.
③Above selection requirements: Power cord size is based on BV single-core wire (2~4pc) at 40°C
ambient 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.
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).
3 If 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.
4 Installation Instructions
4.1 Installation of Indoor Unit
4.1.1 Outline Dimension and Installation Spots
Equip with a service port 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.
Below are the outline dimension applicable to indoor units of GMV-ND22PL/B-T, GMV-ND25PL/B-T,
GMV-ND28PL/B-T, GMV-ND32PL/B-T, GMV-ND36PL/B-T, GMV-ND40PL/B-T, GMV-ND45PL/B-T,
GMV-ND50PL/B-T, GMV-ND56PL/B-T, GMV-ND63PL/B-T, GMV-ND72PL/B-T.
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Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
7
Fig 4.1.1
Below are dimensions of A, B, C, etc. for different models:
Unit: mm
Item
Model
A
B
C
D
E
F
GMV-ND22~36PL/B-T
760
415
700
200
450
474
GMV-ND40~63PL/B-T
1060
415
1000
200
450
474
GMV-ND72PL/B-T
1360
415
1300
200
450
474
4.1.2 Punching of Bolt Spots and Bolt Installation
Punch holes on the installation area according to the 4 spots on the paper pattern; The punching diameter
may refer to the diameter of expansion bolt, about 60mm to 70mm depth, as shown in Fig 4.1.2.
Fig 4.1.2
Insert the expansion bolt M10 into the hole and then drive the iron nail into the bolt, as shown in Fig 4.1.3.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.