GREE ELECTRIC GTHN24A1NK3AA, GTHN48A2NM3AA, GTHN36A2NM3AA, GTHN42A2NM3AA Operation & Installation Instructions

OPERATION

INSTALLATION

&

INSTRUCTIONS

FLOOR AND CEILING TYPE UNIT

GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Read this operating & installation instruction carefully and keep it for future reference

MODELS

GTHN24A1NK3AA

GTHN36A2NM3AA

GTHN42A2NM3AA

COOLING ONL Y OR HEAT PUMP SYSTEM

05-12-10, 10:38

66162315.p6531

GTHN48A2NM3AA

CONTENTS

OPERATION INSTRUCTIONS

1.Part names and their functions..........................................................................................................1

2.How to use the remote control to operate the unit.............................................................................2

3. Protections .........................................................................................................................................11

4. Maintenance ...................................................................................................................................... 12

5. Operating guide................................................................................................................................. 13

6. Precautions .................................................................................................................. ..................... 14

7.Checking before contacting the service personnel...........................................................................15

INSTALLATION INSTRUCTIONS

8. Indoor unit installation ........................................................................................................................ 16

9. Outdoor unit installation..................................................................................................................... 19

10. Pipe preparation ................................................................................................................................ 21

1 1 . Refrigerant piping work ..................................................................................................................... 22

12.Air purging and pipe leakage test......................................................................................................23

13.Liquid pipe and drainage hose...........................................................................................................24

14.Drainage piping work.........................................................................................................................25

15. Test running ....................................................................................................................................... 26

16. Routine check after installation ......................................................................................................... 27

17.Installation accessories.....................................................................................................................28

18. Technical specifications.........................................................................................................................29

66162315.p6505-12-10, 10:3830

The benefits awaiting you with our room air conditioner are not only com-

for

t of life but also in good health. This operation instruction brings you
many comfortable and technological features your unit has. In addition, it
provides

you important information about maintenance, service and
economical operating. Take a few minutes to know how to get your comfort­abl

e and economic of the operation from your new room air conditioner.

66162315

66162315.p6505-12-10, 10:3830

92

66162315.p65 05-12-10, 10:3829

INSTALLATION INSTRUCTIONS

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28

Accessories (Check that if all accessory parts are present before installation)

Quantity

1

2

1

2

1

2

No.

1

2

3

4

5

6

Name

Outdoor drain

age elbow

Outdoor drain

age stem

Paper pattern for installaition

Ripple pipe

Remote control

Battery

NotesShape

H07RN-F 3 G 2.5

Rubber bush

Power supply cord

Power connection cord

7

8

9H07RN-F 4 G 1.0

1

1

Specification

12

5/8

19

AAA 1.5V

GTHN36A2NM3AA
GTHN42A2NM3AA

GTHN24A1NK3AA

GTHN42

A2NM3AA

GTHN36A2NM3AA

H07RN-F 5 G 2.5

GTHN24A1NK3AA
GTHN36A2NM3AA

GTHN48A2NM3AA

1

* Be sure to use the exclusive accessories list

ed above in the installation. or it will lead to water leakage, electric

shock, fire, etc.

66162315.p6505-12-10, 10:3828

INSTALLATION ACCESSORIES

INSTALLATION INSTRUCTIONS

GTHN48A2NM3AA

GTHN48A2NM3AA

GTHN42A2NM3AA

27

Check after installation

Items to be checked

Has it been fixed firmly?
Have you done the refrigerant leakage test?
Is heat insulation sufficient?
Does the unit drain well?

Is the voltage in accordance with the rated
voltage marked on the nameplate?

Is the electrical wiring and piping connection
installed correctly and securely?

Has the unit been connected to a secure earth
connection?

Is the power cord specified?

Has the inlet and outlet been covered?
Has the length of connection pipes and the
refrigerant charge been recorded?

Possible malfunction

The unit may drop,shake or emit noise.
It may cause insufficient refrigerating capacity.
It may cause condensation and dripping.

It may cause condensation and dripping.
It may cause electric malfunction or damage the

part.

It may cause electric malfunction or damage the
part.

It may cause electrical leakage.

It may cause electric malfunction or damage the
part.

It may cause insufficient refrigerating capacity.

The refrigerating capacity is not accurate

Situation

16

ROUTINE CHECK AFTER INSTALLATION

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3827

26

15

TEST RUNNING

Thermometer

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3826

25

5

16

17

18

19

5)

16、17)

18)

17)

19)

14

DRAINAGE PIPING WORK

INSTALLATION INSTRUCTIONS

66162315.p6505-12-10, 10:3825

24

13

LIQUID PIPE AND DRAINAGE HOSE

Drainage
Hose

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3824

23

12

AIR PURGING AND PIPE LEAKAGE TEST

12.1

12.2

12.3

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3823

22

11

REFRIGERANT PIPING WORK

11.1

11.2

11.3

1 1.4

GTHN24A1NK3AA

GTHN36A2NM3AA

GTHN48A2NM3AA

GTHN24A1NK3AA
GTHN36A2NM3AA

GTHN48A2NM3AA

191

12 1

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3822

GTHN42A2NM3AA

GTHN42A2NM3AA

21

10

PIPE PREPARATION

10.1

10.2

10.3

10.4

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3821

20

OUTDOOR UNIT INSTALLATION

Electric wiring connection

(1) Remove the front side plate (Fig.12)
(2) Break through the hole for wires and put on rubber bush.
(3) Pull all wires through the rubber bush.
(4) Connect the outdoor unit according to the “WIRING DIAGAM” of outdoor unit. Make sure to wire firmly.
(5) Tighten the wires with clamp and clasp.

CAUTION

Wrong wiring may cause fire of
electric shock.
Do not pull the wire when fixing it
with wire clamp and clasp.
Do not let the wire too loose in the
outdoor unit.
All the electrical work must be done
by qualified personnel according to
the local rules and this instruction.
The rated voltage and the exclusive
circuit must be used.
Leakage circuit-breaker must be
installed.
Please use specified fuse.
If the power supply cord of the unit
is damaged, it must be replaced by
the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard.
An all-pole disconnection air switch which have a contact separation of at least 3mm in all pole is needed.

(Fig.12)

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3820

GTHN24A1NK3AA

GTHN36A2NM3AA
GTHN42A2NM3AA
GTHN48A2NM3AA

２２０－２４０Ｖ～　５０ＨＺ

Ｐｏｗｅｒ　ｓｕｐｐｌｙ

（ｔｏ　ｉｎｄｏｏｒ　 ｕｎｉｔ）

Ｐｏｗｅｒ　ｓｕｐｐｌｙ

（ｔｏ　ｉｎｄｏｏｒ　 ｕｎｉｔ）

３８０－４１５Ｖ　３Ｎ～　５０ＨＺ

GTHN24A1NK3AA can be connected only to a supply with system impedance no more than 0.047. In case necessary,
please consult your supply authority for system impedance information. 

19

9

OUTDOOR UNIT INSTALLATION

CAUTION

9.1

INSTALLA TION INSTRUCTIONS

66162315.p6505-12-10, 10:3819

18

INDOOR UNIT INSTALLATION

INSTALLA TION INSTRUCTIONS

1. Open the surface panel.

2. Remove the electrical box cover.

3. Route the power connection cord from the back of the indoor unit and pull it toward the front throught the wiring
hole for connection.

4. Connect the blue wire of the power connection cord to the terminal “N”,the brown one to “L”, and the Black one
to “A ” as shown in Fig.10.

5. Reassemble the electrical box cover.

6. Recover the surface panel.

Fig.10

Electrical wiring

66162315.p6505-12-10, 10:3818

Fig.11

7.The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.

8.Rated parameter for FUSE:AC 250V,3.15A;AC 250V,5A.

LN

BNBL

YE/GN

Electrical box

cover

A

BK

17

INDOOR UNIT INSTALLATION

INSTALLA TION INSTRUCTIONS

8.4

8.5

8.6

8.7

8.8

6

7

5

5

8

9

8.3 Set the suspension bolt.(Use W3/8 or M10 size suspension bolts)
Adjust the distance from the unit to the ceiling slab beforehand (Refer to Fig.4)

Fig.6

Fig.7

Fig.5

Fig.8

Fig.9

Fig.4

66162315.p6505-12-10, 10:3817

16

INDOOR UNIT INSTALLATION

INSTALLATION INSTRUCTIONS

8

Fig.1

Fig.2

Such a place where is permitting easy connection with
the outdoor unit.
Such a place where is 1m or more away from other electric
appliances such as television, audio device, etc.
Avoid a location where there is heat source, high humidity
or inflammable gas.
Do not use the unit in the immediate surroundings of a
laundry, a bath, a shower or a swimming pool.
Be sure that the installation conforms to the installation
dimension diagram.
The space around the unit is adequate for ventilation (Refer
to Fig.2)

100cm
or more

30cm
or more

60cm
or more

60cm
or more

150cm
or more

8.1

8.2

Fig.3

Side panel fixing screw
(M4)

Remove the side panel fixing screw and pull to
the front direction (arrow direction) to remove.
(Refer to Fig.3)
Loosen two hanger bracket setting bolts (M8)
on eath side for less than 10mm. Remove two
hanger bracket fixing bolts (M6) on the rear side.
Detach the hanger bracker by pulling it backward
(Refer to Fig.5)

66162315.p6505-12-10, 10:3816

Such a place where cool air can be distributed throug­hout the room.
Such a place where is condersation water is easily drained
out.
Such a place that can handle the weight of indoor unit.
Such a place which has easy access for maintenance.

SELECTION OF INSTALLATION LOCATION.

THERE ARE 2 STYLES OF INSTALLATION.

CEILING TYPE

FLOOR TYPE

Each type is similar to the other as follows;

Determine the mounting position on ceiling or wall
by using paper pattern to indicate indoor frarne.
Mark the pattern and pull out the paper pattern.
Remove the return grill,the side panel and the hanger

bracket from the indoor unit as per procedure bellow.

Press the fixing knob of the relurn grilles, the grilles
will be opened wider and then pull it out from
the indoor.

CAUTION FOR INSTALLATION WHERE
AIR CONDITIONER TROUBLE IS LIKELY
TO OCCUR.

Where there is too much of oil.
Where it is acid base area.
Where there is irregular electrical supply.

15

7

CHECK BEFORE CONTACTING THE SERVICE PERSONNEL

PERATION INSTRUCTIONS

CAUSESPROBLEM

66162315.p6505-12-10, 10:3815

14

6

PRECAUTIONS

OPERATION INSTRUCTIONS

Do not locate any obstacle against the air flow
direction of indoor and outdoor unit. Otherwise, it
can cause. Inefficient performance or malfunction.

Turn off the air conditioner if, while the air conditioner
is running, electricity interference occurs. If the
unit is not to be used for a long time, cut off the
power supply main switch.

66162315.p6505-12-10, 10:3814

This product must not be disposed together with the domestic waste. This
product has to be disposed at an authorized place for recycling of electrical
and electronic appliances.

13

5

OPERATING GUIDE

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:3813

12

4

MAINTENANCE

OPERATION INSTRUCTIONS

4.1

4.2

4.3

4.4

Before inspection and maintenance of the unit, always turn power off and pull out the power plug.

66162315.p6505-12-10, 10:3812

11

3

PROTECTIONSOPERATION INSTRUCTIONS

Compressor hight-pressure protection (the discharge pressure of the compressor is too high, causing
the compressor stop working and display the malfunction)

Indoor anti-freezing protection (the temperature of the indoor heat exchange is too low, causing the
stop of the compressor)

Compressor low-pressure protection (the suction pressure of the compressor is too low, causing the
compressor stop working and display the malfunction)

High discharge temp. protection (the discharge temperature is higher than the permitted, the unit stops
working and displays the malfunction)

Over-current protection (when the current of the compressor exceeding the normal rate, the compressor
stop and displays the malfunction)

Error code

CodeError
E1Compressor high-pressure protection
E2Indoor anti-freezing protection
E3Compressor low-pressure protection
E4High discharge temp.protection

E5Over-current protection

66162315.p6505-12-10, 10:3811

E6
F1
F2
F3
F4

F5

Communication malfunction
Indoor ambient sensor malfunction
Indoor tube sensor malfunction
Outdoor ambient sensor malfunction
Outdoor tube sensor malfunction

Outdoor discharge sensor malfunction

H 1

Defrost

Communication malfunction (if 3 minutes continuously communication malfunction had been detected,
the unit will stop running ,E6 will be displayed)

Indoor ambient sensor malfunction (when this malfunction occurs,F1 will be displayed)
Indoor tube sensor malfunction (when this malfunction occurs, F2 will be displayed)
Outdoor ambient sensor malfunction (when this malfunction occurs, F3 will be displayed)
Outdoor tube sensor malfunction (when this malfunction occurs, F4 will be displayed)

Outdoor discharge sensor malfunction (when this malfunction occurs, F5 will be displayed)

Defrost (HI will be displayed when the unit is defrosting)

10

How to insert batteries

1.Remove the cover from the back
of the remote control.

2.Insert two batteries ( Two AAA dry

- cell batteries ) and press button
“ACL”.

3.Re - attach the cover.

NOTE:

Don’t confuse the new
and worn or different
types of batteries.
Remove batteries when
the remote control is
not in use for a
longtime.
The lifetime of the bat­teries is about one year.
The remote control
should be placed about
1m or more away from
the TV or any other
electric appliances.
Bad batteries are for­bidden to be used.

1.Remove the cover

3.Re - attach the cover.

2. Insert the AAA batteries

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:3810

9

SLEEP mode operation procedure

4.Press FAN button, set

fan speed.

5.Press TEMP. but-

ton, set suitable
SET TEMP.

1.Plug in, press ON/OFF button,

then air conditioner is turned on.

2.Press MODE button,

set

or op-

eration mode.

3.Press SWING button,

the louvers start to ro­tate automatically, and
stop when repressed.

6.SLEEP button
Press it to set SLEEP

operation.

As the unit is cooling or drying, if SLEEP operation is set, SET TEMP. would increase 1

in 1 hour and 2 in 2 hours.

As the unit is heating, if SLEEP operation is set, SET TEMP. would decrease 1 in 1 hour

and 2

in 2 hours.

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:389

8

TIMER mode operation procedure

At stopping,press TIMER ON
button, set ON TIME in
range of 0.5 to 24 hours to start
the unit automatically.

At operating,press TIMER
OFF button.Set OFF TIME
in range of 0.5 to 24 hours to
stop the unit automatically.

0.5

24h

Timer

cancellation

0.5

24h

Timer

cancellation

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:388

7

AUTO mode operation procedure

According to room temp. microcomputer can automatically set operation

mode, so as for best effect.

Under Auto mode operation, standard SET TEMP. is 25 for COOL mode and 20

for HEAT mode.

1.Plug in,press ON/OFF button,

then air conditioner is turned on.

2.Press MODE button, set AUTO

operation mode.

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:387

6

DRY mode operation procedure

If room temp. is lower than set temp., compressor ,outdoor and indoor fan motor stop. If

room temp. is between

2 of set temp., air conditioner is drying.If room temp. is

higher than set temp., it’s at COOL mode.

SET TEMP. should be in range of 16 to 30

3.Press SWING button,

the louvers start to ro­tate automatically, and
stop when repress it.

4.Press TEMP. button,set
suitable SET TEMP.

2.Press MODE button,set

operation mode.

Air speed couldn’t be
changed after the
being set.

1.Plug in,press ON/OFF button,

then air conditioner is turned on.

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:386

5

HEAT mode operation procedure

If room temp. is lower than set temp., compressor runs at HEAT mode;

If room temp. is higher than set temp., compressor and outdoor fan motor stop, only

indoor fan motor runs.

SET TEMP. should be in range of 16 to 30

3.Press SWING button, the

louvers start to rotate
automatically, and stop
when repress it.

4.Press FAN button, set

fan speed.

5.Press TEMP. button, set
suitable SET TEMP.

1.Plug in, press ON/OFF
button,then air condi­tioner is turned on.

2.Press MODE button,

set operation mode.

The unit (cool only) does not receive
the control signal which is used under
the heat mode.

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:385

4

COOL mode operation procedure

4.Press FAN button, set

fan speed.

5.Press TEMP. but­ton, set suitable SET
TEMP.

2.Press MODE button,

set operation
mode.

3.Press SWING button,

the louvers start to ro­tate automatically, and
stop when repressed.

1.Plug in, press ON/OFF button,then
air conditioner is turned on.

According to difference between room temp. and set temp., microcomputer can control

cooling on or not.
If room temp. is higher than set temp., compressor runs at COOL mode.
If room temp. is lower than set temp., compressor stops and only indoor fan motor runs.
SET TEMP. should be in range of 16 to 30

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:384

3

Name and Function-Remote control (Remove the cover)

Note: This type of remote control is a kind of new current control.

Some buttons of the control which are not available to this air con-

ditioner will not be described below.

Operate on unmentioned buttons would not impact on the normal use.

SLEEP button

Press this button to set SLEEP
operation. and stop when re­pressed

Liquid crystal displayer. It
shows all set contents.

TIMER ON button
At stopping, press TIMER ON button,
set ON TIME in range of 0.5 to 24
hours at the interral of 0.5h to start the
unit automatically.

TIMER OFF button
At operating, press TIMER
OFF button, set OFF TIME
in range of 0.5 to 24 hours to
stop the unit automatically.

0.5 24 h

Timer

cancellation

0.5 24h

Timer

cancellation

How to use the remote control to operate the unit

OPERATION INSTRUCTIONS

66162315.p6505-12-10, 10:383

2

Name and Function-Remote control

Note:

Be sure that there are no obstructions between receiver and remote control.
Don’t drop or throw the remote control

.

Don’t let any liquid in the remote control and put the remote control

directly under the sunlight or any place where is very hot.

SWING button

When it is pressed, the louvers
start to rotate automatically and
stop when repressed.

FAN button
Press this button to change
the fan speed of:

“ COOL mode

“

DRY mode

“

FAN mode

“

HEAT mode

ON/OFF button

Press this button to turn
on or turn off the unit.

MODE button
Press this button to change the
operation mode in order of:

AUTO

TEMP. button
SET TEMP. increases 1

by
pressing button once,and de­creases 1

by pressing button
once.
At COOL mode operation, SET
TEMP. can be selected from 16
to 30 .
At DRY mode operation, SET
TEMP. can be selected from 16
to 30 .
At HEAT mode operation, SET
TEMP. can be selected from 16
to 30 .

2

How to use the remote control to operate the unit

OP ERATION INSTRUCTIONS

66162315.p6505-12-10, 10:382

1

1

PART NAMES AND THEIR FUNCTIONS

OPERATION INSTRUCTIONS

Remote Control

Drai

nage hose

Draini ng wat er

Draining

whil e the

unit

is functioning

Ref riger ant Tu be

Working temperature range

Maximum cooling

Minimum cooling

Maximum heating

Minimum heating

Indoor side DB/WB(

)

32/23

21/15

27/-

20/-

Outdoor side DB/WB(

)

43/26

21/15

24/18

-5/-6

66162315.p6505-12-10, 10:381

“ＯＮ／ＯＦＦ”ｗｉｔｈ　ｓｙｓｔｅｍ　ｒｕｎｎｉｎｇ　／　ｓｔｏｐｐｉｎｇ

①　ＰＯＷＥＲ　ｉｎｄｉｃａｔｏｒ　ｌｉｇｈｔ：

ａｎｄ　ｆｌａｓｈ　ｓｈｅｎ　ｓｙｓｔｅｍ　ｉｎ　ｐｒｏｔｅｃｔｉｏｎ　ｓｔａｔｅ．

“ＯＮ／ＯＦＦ”ｗｉｔｈ　ｏｐｅｒａｔｉｏｎ　ｏｆ　ｃｏｏｌ　ｏｎ／ｏｆｆ．

②　ＣＯＯＬ　ｉｎｄｉｃａｔｏｒ　ｌｉｇｈｔ：

③　ＨＥＡＴ　ｉｎｄｉｃａｔｏｒ　ｌｉｇｈｔ：
“ＯＮ／ＯＦＦ”ｗｉｔｈ　ｏｐｅｒａｔｉｏｎ　ｏｆ　ｈｅａｔ　ｏｎ／ｏｆｆ．