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Installing, starting up, and servicing air conditioner can be

hazardous due to system pressure, electrical components,

and equipment location, etc.

Only trained, qualified installers and service personnel are

allowed to install, start-up, and service this equipment.

Untrained personnel can perform basic maintenance fun-

ctions such as cleaning coils. All other operations should

be performed by trained service personnel.

When handling the equipment, observe precautions in the

manual and on tags, stickers, and labels attached to the

equipment. Follow all safety codes. Wear safety glasses

andwork gloves. Keep quenching cloth and fire extinguisher

nearby when brazing.

Read the instructions thoroughly and follow all warnings or

cautions in literature and attached to the unit. Consult local

building codes and current editions of national as well as

local electrical codes.

Recognize the following safety information:

Incorrect handling could result in

personal injury or death.

Incorrect handling may result in

minor injury,or damage to product

or property.

Warning

Caution

Warning

All electric work must be performed by a licensed technician

according to local regulations and the instructions given in

this manual.

Before installing, modifying, or servicing system, main

electrical disconnect switch must be in the OFF position.

There may be more than 1 disconnect switch. Lock out

and tag switch with a suitable warning label.

Never supply power to the unit unless all wiring and tub-

ing are completed, reconnected and checked.

This system adopts highly dangerous electrical voltage.

Incorrect connection or inadequate grounding can cause

personal injury or death. Stick to the wiring diagram and

all the instructions when wiring.

Have the unit adequately grounded in accordance with

local electrical codes.

All installation or repair work shall be performed by your dea-

ler or a specialized subcontractor as there is the risk of fire,

electric shock, explosion or injury.

Have all wiring connected tightly. Loose connection may

lead to overheating and a possible fire hazard.

Make sure the outdoor unit is installed on a stable, level

surface with no accumulation of snow, leaves, or trash

beside.

Make sure the ceiling/wall is strong enough to bear the

weight of the unit.

Make sure the noise of the outdoor unit does not disturb

neighbors.

Follow all the installation instructions to minimize the risk

of damage from earthquakes, typhoons or strong winds.

Avoid contact between refrigerant and fire as it generates

poisonous gas.

Apply specified refrigerant only. Never have it mixed with

any other refrigerant. Never have air remain in the

refrigerant line as it may lead to rupture and other hazards.

Make sure no refrigerant gas is leaking out when install-

ation is completed.

Should there be refrigerant leakage, the density of refri-

gerant in the air shall in no way exceed its limited value,

or it may lead to explosion.

Keep your fingers and clothing away from any moving

parts.

Clear the site after installation. Make sure no foreign ob-

jects are left in the unit.

Always ensure effective grounding for the unit.

Never install the unit in a place where a combustible gas

might leak, or it may lead to fire or explosion.

Properly insulate any tubing running inside the room to

prevent the water from damaging the wall.

Make a proper provision against noise when the unit is

installed at a telecommunication center or hospital.

Provide an electric leak breaker when it is installed in a

watery place.

Never wash the unit with water.

Should any emergency occur, stop the unit and discon-

nect the power immediately.

Handle unit transportation with care. The unit should not

be carried by only one person if it is more than 20kg.

Never touch the heat exchanger fins with bare hands.

Never touch the compressor or refrigerant piping without

wearing glove.

Do not have the unit operate without air filter.

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0

1

2

3

4

5

6

7

8

9

10

0 20 40 60 80 100 120

Compressor speed(rps)

Current(A)

0

1

2

3

4

5

6

7

8

9

10

0 20406080100120

Compressor speed(rps)

Current(A)

0

1

2

3

4

5

6

7

8

9

10

0 20 40 60 80 100 120

Compressor speed(rps)

Current(A)

0

1

2

3

4

5

6

7

8

9

10

0 20 40 60 80 100 120

Compressor speed(rps)

Current(A)

Condition

Indoor:DB 80.6°F WB66.2°F

Indoor air flow: Super High

Pipe length:24.6ft

Condition

Indoor:DB 80.6°F WB66.2°F

Indoor air flow: Super High

Pipe length:24.6ft

Condition

Indoor:DB 68°F

Indoor air flow: Super High

Pipe length:24.6ft

Condition

Indoor:DB 68°F

Indoor air flow: Super High

Pipe length:24.6ft

HeatingCooling

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Cooling Heating

Current(A)

Compressor Speed (rps)

12010080604020

Compressor Speed (rps)

Current(A)

13

11

9

7

5

3

1

12010080604020

13

11

9

7

5

3

1

230V 230V

Condition

Indoor:DB 80.6°F WB66.2°F

Indoor air flow: Super High

Pipe length:24.6ft

Condition

Indoor:DB 80.6°F WB66.2°F

Indoor air flow: Super High

Pipe length:24.6ft

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70

80

90

100

110

32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

Capacity ratio(%)

Outdoor temp. (°F)

40

60

80

100

120

-15 -10 -5 0 5 10

Capacity ratio(%)

Outdoor temp. (°F)

Condition

Indoor air flow: Super High

Pipe length:24.6ft

Indoor:DB 80.6°F WB66.2°F

Condition

Indoor air flow: Super High

Pipe length:24.6ft

Indoor:DB 80.6°F WB66.2°F

HeatingCooling

Cooling Heating

0

20

40

60

80

100

120

-10 5 0 5

Capacity ratio(%)

464544434241403938373635343332

110

100

90

80

70

60

50

15710-7 2

Outdoor temp. (°F) Outdoor temp. (°F)

Condition

Indoor air flow: Super High

Pipe length:24.6ft

Indoor:DB 68°F Condition

Indoor air flow: Super High

Pipe length:24.6ft

Indoor:DB 68°F

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Indoor side noise when blowing

10

20

30

40

50

Indoor fan motor rotating speed

Noise/dB(A)

MiddleLow High

Outdoor side noise

30

40

50

60

0 20406080100

Compressor frequency/Hz

Noise/dB(A

Right

side

Front

Outdoor side noise

30

40

50

60

0 20 40 60 80 100

Compressor frequency/Hz

Noise/dB(A

Right

side

Front

Indoor side noise when blowing

10

20

30

40

50

Indoor fan motor rotating speed

Noise/dB(A)

MiddleLow High

Outdoor side noise

30

40

50

60

0 20 40 60 80 100

Compressor frequency/Hz

Noise/dB(A

Right

side

Front

Outdoor side noise

30

40

50

60

020406080100

Compressor frequency/Hz

Noise/dB(A

Right

side

Front

HeatingCooling

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46

48

50

52

54

56

58

60

20 30 40 50 60 70 80 90 100

Compressor frequency(Hz)

Noise dB(A)

Heating

Cooling

20

30

40

50

SL L ML M H SH

Indoor fan motor rating speed

Noise/dB(A)

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INDOOR UNIT OUTDOOR UNIT

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

COMPRESSOR

GAS SIDE

3-WAY VALVE

LIQUID SIDE

2-WAY VALVE

COOLING

HEATING

Accumlator

Discharge

Suction

4-Way valve

Electron expansion valve

Strainer Strainer

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ROOM

RT1

0

RT2

0

TUBE

SENSOR SENSOR

ROOM TUBE

DC-MOTOR

FAN MOTOR

STEPPING

RECEIVER

DISPLAY

DISP2

AP1

DISP1

M1

TEMP. TEMP.

BOARD

AND

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UP-DOWN

M3 M4

AP2

BU(WH)

BK

BN(RD)

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BLOCK

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CABLE

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N(1)

2

3

XT

COM-OUT

AC-L

N

PE

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BK

BN

YEGN

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YEGN

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COM-INNER1

(optional)

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N1

AC-L1

4V AC-L2 LX-2 N2 N3

L

COMU

W9 BU

W11 OG W1 2 WH

EKV

CN1

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W3 BK

G

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L1

N(1)

3

2

L2L2L2

L1

G

L1

L2

SAT

HPP

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HP

L3 L3

0

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OFAN1

4YV

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HEAT-L

HEAT-N1

HEATER

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2

3

XT1

P

UNIT

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TERMINAL

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XT

POWER

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BLOCK

INDOOR UNIT

G

PE

G

14YEGN

L2L2

COMP.

L2

RING

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Electronic

expansion

(OPTIONAL)

valve

REACTOR

TEMP. SENSOR

OUTTUBE OUTROOM

TEMP. SENSOR TEMP. SENSOR

DISCHARGE

T-SENSOR

0

RT2 RT3

0

6YEGN

AC-L

N

AP1

COMP-W

COMP-V

COMP-U

16BU

15YE 17RD

U(R)

V(S) W(C)

E

COM-INNER(1)

L

INDC1

1YE 2BU 3RD

12WH

G

OFAN

OVC-COMP

5WH

4WH

SAT

YEGN

13OG

INDC2

COMP

FA

EKV

X1

RT1

G

YE

YE C

PFCC2PFCC1

4YV

4V

4-WAY

VALVE

VT

HALL

CONNECTOR

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GN(YEGN)

WH(BU)

BK(BN)

RD(BN)

BK

WH(BU)

PRINTED CIRCUIT BOARD

L2

G

L1

3

2

N(1)

20YEGN

G

11BK

9BN

10BU

L1

RING

MAGNETIC

7BU

8BN

CAP.

M

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GREE GWH24TB-D3DNA1A User manual

GREE GWH24TB-D3DNA1A User manual

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