GREE ELECTRIC GWC18AC-D3DNA1B User manual

Brand: GREE ELECTRIC

Model: GWC18AC-D3DNA1B

Category: Split-system air conditioners

Type: User manual

This manual is also suitable for

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Service Manual

MODEL:

GWC18AC-D3DNA1B

GWC24AC-D3DNA1B

GWH18AC-D3DNA1B

GWH24AC-D3DNA1B

GWH18AC-D3DNA2B

GWH24AC-D3DNA2B

(Refrigerant R410A)

Table of Contents

Summary and features..................................................................................1

Part 1 Safety Precautions..........................................................................................2

Part 2 Specifications

.....................................................................................................3

2.1 Unit Specifications..................................................................................................3

2.2 Operation Characteristic Curve............................................................................13

2.3 Capacity Variation Ratio According to Temperature............................................14

2.4 Operation Data.....................................................................................................14

2.5 Noise criteria curve tables for both models..........................................................15

Part 3 Construction Views......................................................................................16

3.1 Indoor Unit ...........................................................................................................16

3.2 Outdoor Unit ........................................................................................................17

Part 4 Refrigerant System Diagram

...................................................................18

5.1 Electrical Data......................................................................................................19

5.2 Electrical Wiring....................................................................................................19

5.3 Printed Circuit Board.............................................................................................21

Part 5 Schematic Diagram......................................................................................19

6.1 Remote Control Operations..................................................................................23

6.2 Changing Batteries and Notices ..........................................................................25

6.3 Description of Each Control Operation.................................................................26

6.4 Functions of Outdoor Unit....................................................................................30

Part 6 Function and Control

...................................................................................23

Part 7 Installation Manual........................................................................................33

7.1 Important Notices.................................................................................................35

7.2 Install Indoor Unit.................................................................................................35

7.3 Install Outdoor Unit ..............................................................................................37

Part 8 Exploded Views and Parts List..............................................................39

Part 9 Troubleshooting...............................................................................................55

8.1 Indoor unit.............................................................................................................39

8.2 Outdoor unit..........................................................................................................47

Part10 Removal Procedure.......................................................................................83

10.1

Removal Procedure of Indoor Unit

.....................................................................83

10.2

Removal Procedure of Outdoor Unit

...................................................................86

Summary and features

Indoor Unit

Outdoor Unit

Remote control window

Summary and features

GWC18AC-D3DNA1B/I

GWC24AC-D3DNA1B/I

GWH18AC-D3DNA1B/I

GWH24AC-D3DNA1B/I

GWC18AC-D3DNA1B/O

GWH18AC-D3DNA1B/O

GWC24AC-D3DNA1B/O

GWH24AC-D3DNA1B/O

YT1FF

FAN

MODE

I FEEL

CLOCK TIMER

X-FAN TEMP TIMER

OFF

TURBO SLEEP LIGHT

GWH18AC-D3DNA2B/I

GWH24AC-D3DNA2B/I

1.Safety Precautions

Safety Precautions

Caution

Warning

Caution

could result in

personal injury or death.

Incorrect handling

result in

injury, or damage to product

or property.

Incorrect handling may

minor

Recognize the following safety information:

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 functions

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 and

work 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.

All electric work must be performed by a licensed technician

according to local regulations and the instructions given in this

manual.

Never supply power to the unit unless all wiring and tubing

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.

Have all wiring connected tightly. Loose connection may

lead to overheating and a possible fire hazard.

All installation or repair work shall be performed by your dealer

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

shock, explosion or injury.

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.

Properly insulate any tubing running inside the room to

prevent the water from damaging the wall.

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

surface with no accumulation of snow, leaves, or trash

beside.

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

installation is completed.

Should there be refrigerant leakage, the density of

refrigerant in the air shall in no way exceed its limited

value, or it may lead to explosion.

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.

Keep your fingers and clothing away from any moving

parts.

Clear the site after installation. Make sure no foreign

objects 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.

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.

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.

Should any emergency occur, stop the unit and disconnect

the power immediately.

2.Specifications

2.1 Unit Specifications

Specifications

GWC18AC-D3DNA1B GWC24AC-D3DNA1B

CB11500420 CB11500440

COOLING COOLING

208-230 208-230

60 60

5275(1820~6450) 6450(2300~7680)

18000(6200~22000) 22000(7800~26200)

1500(180~2650) 1832(220~2660)

2650 2660

12 12.2

830/750/650/550 1030/800/700/600

22.5

3.51 3.51

SEER=20 SEER=19

Model of Indoor Unit GWC18AC-D3DNA1B/I GWC24AC-D3DNA1B/I

Fan Motor Speed (r/min) (SH/H/M/L) 1500/1150/1050/950 1380/1000/900/750

Output of Fan Motor (W) 20 35

Input Power of Heater (W) / /

Fan Motor Capacitor (μF) 1.5 2.5

Fan Mo to r R L A(A) 0.25 0.45

Fan Type Cross flow fan Cross flow fan

Diameter-Length (mm) Φ98X733 Φ98X828

Evaporator Aluminum fin-copper tube Aluminum fin-copper tube

Pipe Diameter (mm) Φ7Φ7

Row-Fin Gap(mm) 2-1.4 2-1.5

Coil length (l) X height (H) X coil width (L) 740X304.8X25.4 836X400X25.4

Swing Motor Model MP28VB MP35XX

Output of Swing Motor (W) 2.5 2.5

Fuse (A) PCB 3.15A PCB 3.15A

Sound Pressure Level dB (A) (SH/H/M/L) 46/43/40/35 51/43/40/35

Sound Power Level dB (A) (SH/H/M/L) 56/53/50/45 61/53/50/45

Dimension (W/H/D) ( mm) 960X300X195 1090X330X208

Dimension of Package (L/W/H)( mm) 1035X390X280 1160X410X310

Net Weight /Gross Weight (kg) 13/18 16/21

Energy Class

Indoor

unit

Rated Current (A)

Air Fl o w Vol um e (m 3/h) (SH/H/M/L)

Dehumidifying Volume (l/h)

EER / C.O.P (W/W)

Total Capacity (W) Standard (Low~High)

Total Capacity (Btu/h) Standard (Low~High)

Power Input (W) Standard (Low~High)

Rated Input (W)

Mod el

Function

Rated Voltage(V)

Frequency(Hz)

Product Code

The above data is subject to change without notice. Please refer to the nameplate of the unit.

Specifications

GWC18AC-D3DNA1B/O GWC24AC-D3DNA1B/O

CB115W0420 CB115W0440

China Resources (Shenyang)

Sanyo CO.,LTD

China Resources (Shenyang)

Sanyo CO.,LTD

C-6RZ146H1A C-6RZ146H1A

Twin rotary com pres sor Twin rotary com pres sor

41 41

8.4 8.4

1640 1640

1NT11L-3979 1NT11L-3979

Electric expand valve Electric expand valve

Transducer starting Transducer starting

5≤T≤46 5≤T≤46

Aluminum fin-copper tube Aluminum fin-copper tube

2-1.4 2-1.4

837X660X38.1 967X748X38.1

690/500 780

60 90

0.4 0.6

3200 4200

Axial fan Axial fan

Φ520 Φ552

Auto defros t Auto defros t

T1 T1

IP24 IP24

3.8 3.8

1.2 1.2

54 56

64 66

890X700X340 920X790X370

1030X460X735 1065X485X840

50/55 54/60

R410A/1.45 R410A/1.80

20 30

Liquid Pipe (mm) Φ6Φ6

Gas Pipe (m m ) Φ12 Φ16

Height (m) 15 15

Length (m) 30 30

L.R.A. (A)

Compressor RLA(A)

Model of Outdoor Unit

Compressor Manufacturer/trademark

Compressor Model

Compressor Type

Product Code

Dimension (W/H/D) ( mm)

Dimension of Package (L/W/H)( mm)

Net Weight /Gross Weight (kg)

Refrigerant and Charge (kg)

Permissible Excessive Operating Pressure

for the Discharge Side(MPa)

Permissible Excessive Operating Pressure

for the Suction Side(MPa)

Sound Pressure Level dB (A)

Sound Power Level dB (A)

Defros ting Method

Climate Type

Is olation

Moisture Protection

Fan Motor Capacitor(μF)

Air Flow Volum e of Outdoor Unit（m3/h）

Fan Type

Fan Diameter (mm)

Coil length (l)X height (H) X coil width (L)

Fan Motor Speed (rpm) (H/M/L)

Output of Fan Motor (W)

Fan Motor RLA(A)

Working Temp Range (℃)

Condenser

Pipe Diameter (mm)

Rows-Fin Gap(mm)

Outdoor

unit

Connecti

on Pipe

Length (m)

Gas additional charge(g/m)

Outer Diameter

Max Distance

Compressor Power Input(W)

Overload Protector

Throttling Method

Starting Method

Specifications

COOLING HEATING

5275(1820~6450) 7325(1200~7325)

18000(6200~22000) 25000(4100~25000)

1500(180~2650) 2700(240~2700)

2650 2700

12 12.4

3.51 2.71

SEER=20 HSPF=10.2(Region Ⅳ)

HSPF=8.8(Region Ⅴ)

Model of Indoor Unit

Fan Motor Speed (r/min) (SH/H/M/L) 1500/1150/1050/950 1500/1200/1100/1000

Output of Fan Motor (W)

Input Power of Heater (W)

Fan Motor Capacitor (μF)

Fan Motor RLA(A)

Fan Type

Diameter-Length (mm)

Evaporator

Pipe Diameter (mm)

Row-Fin Gap(mm)

Coil length (l) X height (H) X coil width (L)

Swin g Mo to r Mod el

Output of Swing Motor (W)

Fus e (A)

Sound Pressure Level dB (A) (SH/H/M/L)

Sound Power Level dB (A) (SH/H/M/L)

Dimension (W/H/D) ( mm)

Dim ens ion of Package (L/W/H)( m m )

Net Weight /Gross Weight (kg)

Model

Function

Rated Voltage(V)

Frequency(Hz)

Product Code

Total Capacity (W) Standard (Low~High)

Total Capacity (Btu/h) Standard (Low~High)

Power Input (W) Standard (Low~High)

Rated Input (W)

13/18

Energy Class

Indoor

unit

Rated Current (A)

Air Flow Volume (m 3/h) (SH/H/M/L)

Dehumidifying Volume (l/h)

EER / C.O.P (W/W)

0.25

GWH18AC-D3DNA1B/I

1035X390X280

960X300X1 95

2-1.4

2.5

46/43/40/35

56/53/50/45

740X304.8X25.4

MP28VB

PCB 3.15A

Φ7

830/750/650/550

Aluminum fin-copper tube

GWH18AC-D3DNA1B

208-230

Φ98X733

1.5

Cross flow fan

CB11500430

The above data is subject to change without notice. Please refer to the nameplate of the unit.

Specifications

5≤T≤46 -15≤T≤30

Liquid Pipe (mm)

Gas Pipe (m m )

Height (m)

Length (m)

Outdoor

unit

Connecti

on Pipe

Length (m)

Gas additional charge(g/m)

Outer Diameter

Max Distance

Compressor Power Input(W)

Overload Protector

Throttling Method

Starting Method

Air Flow Volum e of Outdoor Unit（m3/h）

Fan Type

Fan Diameter (mm)

Coil length (l)X height (H) X coil width (L)

Fan Motor Speed (rpm) (H/M/L)

Output of Fan Motor (W)

Fan Motor RLA(A)

Defros ting Method

Climate Type

Is olation

Moisture Protection

Permissible Excessive Operating Pressure

for the Discharge Side(MPa)

Permissible Excessive Operating Pressure

for the Suction Side(MPa)

Sound Pressure Level dB (A)

Sound Power Level dB (A)

Dimension (W/H/D) ( mm)

Dimension of Package (L/W/H)( mm)

Net Weight /Gross Weight (kg)

Refrigerant and Charge (kg)

Model of Outdoor Unit

Compressor Manufacturer/trademark

Compressor Model

Compressor Type

Product Code

L.R.A. (A)

Compressor RLA(A)

0.4

Fan Motor Capacitor(μF)

Working Temp Range (℃)

Condenser

Pipe Diameter (mm)

Rows-Fin Gap(mm) 2-1.4

837X660X38.1

690/500

60W

Electric expand valve

Transducer starting

Aluminum fin-copper tube

8.4

1640

1NT11L-3979

GWH18AC-D3DNA1B/O

China Resources (Shenyang) Sanyo CO.,LTD

C-6RZ146H1A

Twin rotary com pressor

CB115W0430

3200

Axia l fa n

Φ520

Auto defrost

1030X460X735

IP24

3.8

1.2

890X70 0X3 40

50/55

R410A/1.45

Φ6

Φ12

COOLING HEATING

5275(1820~6450) 7325(1200~7325)

18000(6200~22000) 25000(4100~25000)

1500(180~2650) 2700(240~2700)

2650 2700

12 12.4

3.51 2.71

SEER=20 HSPF=10.2(Region Ⅳ)

HSPF=8.8(Region Ⅴ)

Model of Indoor Unit

Fan Motor Speed (r/min) (SH/H/M/L) 1500/1150/1050/950 1500/1200/1100/1000

Output of Fan Motor (W)

Input Power of Heater (W)

Fan Motor Capacitor (μF)

Fan Motor RLA(A)

Fan Type

Diameter-Length (mm)

Evaporator

Pipe Diameter (mm)

Row-Fin Gap(mm)

Coil length (l) X height (H) X coil width (L)

Swin g Mo to r Mod el

Output of Swing Motor (W)

Fus e (A)

Sound Pressure Level dB (A) (SH/H/M/L)

Sound Power Level dB (A) (SH/H/M/L)

Dimension (W/H/D) ( mm)

Dim ens ion of Package (L/W/H)( m m )

Net Weight /Gross Weight (kg)

Model

Function

Rated Voltage(V)

Frequency(Hz)

Product Code

Total Capacity (W) Standard (Low~High)

Total Capacity (Btu/h) Standard (Low~High)

Power Input (W) Standard (Low~High)

Rated Input (W)

13/18

Energy Class

Indoor

unit

Rated Current (A)

Air Flow Volume (m 3/h) (SH/H/M/L)

Dehumidifying Volume (l/h)

EER / C.O.P (W/W)

0.25

GWH18AC-D3DNA2B/I

1035X390X280

960X300X1 95

2-1.4

2.5

46/43/40/35

56/53/50/45

740X304.8X25.4

MP28VB

PCB 3.15A

Φ7

830/750/650/550

Aluminum fin-copper tube

GWH18AC-D3DNA2B

208-230

Φ98X733

1.5

Cross flow fan

CB11500470

Specifications

5≤T≤46 -15≤T≤30

Liquid Pipe (mm)

Gas Pipe (m m )

Height (m)

Length (m)

50/55

R410A/1.45

Φ6

Φ12

1030X460X735

IP24

3.8

1.2

890X70 0X3 40

3200

Axia l fa n

Φ520

Auto defrost

GWH18AC-D3DNA1B/O

China Resources (Shenyang) Sanyo CO.,LTD

C-6RZ146H1A

Twin rotary com pressor

CB115W0430

8.4

1640

1NT11L-3979

837X660X38.1

690/500

60W

Electric expand valve

Transducer starting

Aluminum fin-copper tube

L.R.A. (A)

Compressor RLA(A)

0.4

Fan Motor Capacitor(μF)

Working Temp Range (℃)

Condenser

Pipe Diameter (mm)

Rows-Fin Gap(mm) 2-1.4

Model of Outdoor Unit

Compressor Manufacturer/trademark

Compressor Model

Compressor Type

Product Code

Dimension (W/H/D) ( mm)

Dimension of Package (L/W/H)( mm)

Net Weight /Gross Weight (kg)

Refrigerant and Charge (kg)

Permissible Excessive Operating Pressure

for the Discharge Side(MPa)

Permissible Excessive Operating Pressure

for the Suction Side(MPa)

Sound Pressure Level dB (A)

Sound Power Level dB (A)

Defros ting Method

Climate Type

Is olation

Moisture Protection

Air Flow Volum e of Outdoor Unit（m3/h）

Fan Type

Fan Diameter (mm)

Coil length (l)X height (H) X coil width (L)

Fan Motor Speed (rpm) (H/M/L)

Output of Fan Motor (W)

Fan Motor RLA(A)

Outdoor

unit

Connecti

on Pipe

Length (m)

Gas additional charge(g/m)

Outer Diameter

Max Distance

Compressor Power Input(W)

Overload Protector

Throttling Method

Starting Method

The above data is subject to change without notice. Please refer to the nameplate of the unit.

Specifications

COOLING HEATING

6450(2300~7680) 8200(1750~8200)

22000(7800~26200) 28000(6000~28000)

1832(220~2660) 2700(260~2700)

2660 2700

12.2 12.5

3.51 3.04

SEER=19 HSPF=10.5(Region Ⅳ)

HSPF=8.8(Region Ⅴ)

Model of Indoor Unit

Fan Motor Speed (r/min) (SH/H/M/L) 1380/1000/900/750 1380/1050/950/850

Output of Fan Motor (W)

Input Power of Heater (W)

Fan Motor Capacitor (μF)

Fan Motor RLA(A)

Fan Type

Diameter-Length (mm)

Evaporator

Pipe Diameter (mm)

Row-Fin Gap(mm)

Coil length (l) X height (H) X coil width (L)

Swin g Mo to r Mod el

Output of Swing Motor (W)

Fus e (A)

Sound Pressure Level dB (A) (SH/H/M/L)

Sound Power Level dB (A) (SH/H/M/L)

Dimension (W/H/D) ( mm)

Dim ens ion of Package (L/W/H)( m m )

Net Weight /Gross Weight (kg)

Model

Function

Rated Voltage(V)

Frequency(Hz)

Total Capacity (W) Standard (Low~High)

Total Capacity (Btu/h) Standard (Low~High)

Power Input (W) Standard (Low~High)

Rated Input (W)

61/53/50/45

1090X330X208

1160X410X310

16/21

MP35XX

2.5

PCB 3.15A

51/43/40/35

Aluminum fin-copper tube

Φ7

2-1.5

836X400X25.4

Cross flow fan

Φ98X828

GWH24AC-D3DNA1B

208-230

1030/800/700/600

2.5

GWH24AC-D3DNA1B/I

2.5

0.45

Product Code CB11500450

Energy Class

Indoor

unit

Rated Current (A)

Air Flow Volume (m 3/h) (SH/H/M/L)

Dehumidifying Volume (l/h)

EER / C.O.P (W/W)

Specifications

5≤T≤46 -15≤T≤30

Liquid Pipe (mm)

Gas Pipe (m m)

Height (m)

Length (m)

Outdoor

unit

Connecti

on Pipe

Length (m)

Gas additional charge(g/m)

Outer Diameter

Max Distance

Compressor Power Input(W)

Overload Protector

Throttling Method

Starting Method

Air Flow Volum e of Outdoor Unit（m3/h）

Fan Type

Fan Diameter (mm)

Coil length (l)X height (H) X coil width (L)

Fan Motor Speed (rpm) (H/M/L)

Output of Fan Motor (W)

Fan Motor RLA(A)

Defros ting Method

Climate Type

Is olation

Moisture Protection

Permissible Excessive Operating Pressure for the

Discharge Side(MPa)

Permissible Excessive Operating Pressure for the

Suction Side(MPa)

Sound Pressure Level dB (A)

Sound Power Level dB (A)

Dimension (W/H/D) ( mm)

Dimension of Package (L/W/H)( mm)

Net Weight /Gross Weight (kg)

Refrigerant and Charge (kg)

Model of Outdoor Unit

Compressor Manufacturer/trademark

Compressor Model

Compressor Type

Product Code

L.R.A. (A)

Compressor RLA(A)

0.6

Fan Motor Capacitor(μF)

Working Temp Range (℃)

Condenser

Pipe Diameter (mm)

Rows-Fin Gap(mm) 2-1.4

967X748X38.1

780

90W

Electric expand valve

Transducer starting

Aluminum fin-copper tube

8.4

1640

1NT11L-3979

GWH24AC-D3DNA1B/O

China Resources (Shenyang) Sanyo CO.,LTD

C-6RZ146H1A

Twin rotary compressor

CB115W0450

4200

Axial fa n

Φ552

Auto defrost

1065X485X840

IP24

3.8

1.2

920X790X370

54/60

R410A/1.80

Φ6

Φ16

Specifications

The above data is subject to change without notice. Please refer to the nameplate of the unit.

COOLING HEATING

6450(2300~7680) 8200(1750~8200)

22000(7800~26200) 28000(6000~28000)

1832(220~2660) 2700(260~2700)

2660 2700

12.2 12.5

3.51 3.04

SEER=19 HSPF=10.5(Region Ⅳ)

HSPF=8.8(Region Ⅴ)

Model of Indoor Unit

Fan Motor Speed (r/min) (SH/H/M/L) 1380/1000/900/750 1380/1050/950/850

Output of Fan Motor (W)

Input Power of Heater (W)

Fan Motor Capacitor (μF)

Fan Motor RLA(A)

Fan Type

Diameter-Length (mm)

Evaporator

Pipe Diameter (mm)

Row-Fin Gap(mm)

Coil length (l) X height (H) X coil width (L)

Swin g Mo to r Mod el

Output of Swing Motor (W)

Fus e (A)

Sound Pressure Level dB (A) (SH/H/M/L)

Sound Power Level dB (A) (SH/H/M/L)

Dimension (W/H/D) ( mm)

Dim ens ion of Package (L/W/H)( m m )

Net Weight /Gross Weight (kg)

Model

Function

Rated Voltage(V)

Frequency(Hz)

Total Capacity (W) Standard (Low~High)

Total Capacity (Btu/h) Standard (Low~High)

Power Input (W) Standard (Low~High)

Rated Input (W)

61/53/50/45

1090X330X208

1160X410X310

16/21

MP35XX

2.5

PCB 3.15A

51/43/40/35

Aluminum fin-copper tube

Φ7

2-1.5

836X400X25.4

Cross flow fan

Φ98X828

GWH24AC-D3DNA2B

208-230

1030/800/700/600

2.5

GWH24AC-D3DNA2B/I

2.5

0.45

Product Code CB11500490

Energy Class

Indoor

unit

Rated Current (A)

Air Flow Volume (m 3/h) (SH/H/M/L)

Dehumidifying Volume (l/h)

EER / C.O.P (W/W)

Specifications

5≤T≤46 -15≤T≤30

Liquid Pipe (mm)

Gas Pipe (m m)

Height (m)

Length (m)

Outdoor

unit

Connecti

on Pipe

Length (m)

Gas additional charge(g/m)

Outer Diameter

Max Distance

Compressor Power Input(W)

Overload Protector

Throttling Method

Starting Method

Air Flow Volum e of Outdoor Unit（m3/h）

Fan Type

Fan Diameter (mm)

Coil length (l)X height (H) X coil width (L)

Fan Motor Speed (rpm) (H/M/L)

Output of Fan Motor (W)

Fan Motor RLA(A)

Defros ting Method

Climate Type

Is olation

Moisture Protection

Permissible Excessive Operating Pressure for the

Discharge Side(MPa)

Permissible Excessive Operating Pressure for the

Suction Side(MPa)

Sound Pressure Level dB (A)

Sound Power Level dB (A)

Dimension (W/H/D) ( mm)

Dimension of Package (L/W/H)( mm)

Net Weight /Gross Weight (kg)

Refrigerant and Charge (kg)

Model of Outdoor Unit

Compressor Manufacturer/trademark

Compressor Model

Compressor Type

Product Code

L.R.A. (A)

Compressor RLA(A)

0.6

Fan Motor Capacitor(μF)

Working Temp Range (℃)

Condenser

Pipe Diameter (mm)

Rows-Fin Gap(mm) 2-1.4

967X748X38.1

780

90W

Electric expand valve

Transducer starting

Aluminum fin-copper tube

8.4

1640

1NT11L-3979

GWH24AC-D3DNA1B/O

China Resources (Shenyang) Sanyo CO.,LTD

C-6RZ146H1A

Twin rotary compressor

CB115W0450

4200

Axial fa n

Φ552

Auto defrost

1065X485X840

IP24

3.8

1.2

920X790X370

54/60

R410A/1.80

Φ6

Φ16

The above data is subject to change without notice. Please refer to the nameplate of the unit.

Specifications

Cooling Heating

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110

Compressor speed (rps)

)A( tnerruC

Compressor speed (rps)

)A( tnerruC

• Conditions

Indoor : DB26.7˚C/WB19.4˚C

Outdoor : DB35˚C/WB23.9˚C

Indoor air flow : Turbo

Pipe length : 7.6m

• Conditions

Indoor : DB21.1˚C/WB15.6˚C

Outdoor : DB8.33˚C/WB6.11˚C

Indoor air flow : Turbo

Pipe length : 7.6m

220V

230V

240V

220V

230V

240V

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110

Compressor speed (rps)

)A( tnerruC

Compressor speed (rps)

)A( tnerruC

• Conditions

Indoor : DB26.7˚C/WB19.4˚C

Outdoor : DB35˚C/WB23.9˚C

Indoor air flow : Turbo

Pipe length : 7.6m

• Conditions

Indoor : DB21.1˚C/WB15.6˚C

Outdoor : DB8˚C/WB6.11˚C

Indoor air flow : Turbo

Pipe length : 7.6m

220V

230V

240V

220V

230V

240V

Cooling Heating

2.2 Operation Characteristic Curve

Specifications

Models:GWC18AC-D3DNA1B,GWH18AC-D3DNA1B,GWH18AC-D3DNA2B

Models:GWC24AC-D3DNA1B,GWH24AC-D3DNA1B,,GWH24AC-D3DNA2B

Specifications

2.3 Capacity Variation Ratio According to Temperature

2.4 Operation Data

NOTES :

(1) Measure surface temperature of heat exchanger pipe around center of heat exchanger path U

bent. (Thermistor themometer)

(2) Connecting piping condition : 7.6 m

Cool i n taeH gi n g

3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 3 –1 5 –10 – 5 0 5 7 10

4 0 4 1 42

100

105

Outdoor tem p . (˚C)

) % ( o i t a r y t i c a p a C

110

100

Outdoor tem p . (˚C)

) % ( o i t a r y t i c a p a C

Conditions

Indoor:DB21.1 /WB15.6

Indoor air flow:Turbo

Pipe length:7.6m

Conditions

Indoor:DB26.7 /WB19.4

Indoor air flow:Turbo

Pipe length:7.6m

Cooling

Heating

Standard

pressure

Indoor Outdoor P (MPa) T1 (°C) T2 (°C)

18K 0.9 to 1.1 12 to 14 41 to 43 High High 62

24K 0.8 to 1.0 10 to 12 43 to 45 High High 78

Outdoor fan

mode

Compresso

r revolution

(rps)

26.7/19.4 35/–

Temperature condition

(°C) Model

name

Heat exchanger pipe

temp. Indoor fan

mode

Standard

pressure

Indoor Outdoor P (MPa) T1 (°C) T2 (°C)

18K 2.2 to 2.4 37 to 38 2 to 4 High High 62

24K 2.5 to 2.7 42 to 44 0 to 3 High High 80

Outdoor fan

mode

Compresso

r revolution

(rps)

21.1/

–

8/6.11

Temperature condition

(°C) Model

name

Heat exchanger pipe

temp. Indoor fan

mode

P: The high side pressure measured from gas valve

T1:The coil temperature of indoor unit

T2:The coil temperature of outdoor unit

2.5 Noise criteria curve tables for both models

Specifications

200406080100

Indoor side noise when blowing Outdoor side noise

Indoor fan motor rotating speed

High

Compressor frequency/Hz

MiddleLow Super High

Noise/dB(A)

18K 24K 18K 24K

3. Construction Views

3.1 Indoor Unit

Constrction views

Right

Left

MODEL W( )H()D()

24K 1090 330 208

18K 960 300 195

7cm

960

694

119

61 125

1090

685 185

330

110

114

220

147

300

15cm

18K

24K

Uint:mm

3.2 Outdoor Unit

18K

Constrction views

340

890

700

963

560

368

396

Unit:mm

370

920

1000

610

399

427

790

24K

4. Refrigerant System Diagram

(1)Cooling Only Models

(2)Cooling & Heating Models

2-Way

valve

Strainer

3-Way

valve

Muffler

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

rotalumucca-buS

rosserpmoC

Cooling

Heating

Constrction views

Models:

GWC18AC-D3DNA1B

GWH18AC-D3DNA1B

GWH18AC-D3DNA2B

Liquid:1/4”(6mm)

Gas:1/2”(12mm)

Models:

GWC24AC-D3DNA1B

GWH24AC-D3DNA1B

GWH24AC-D3DNA2B

Liquid:1/4”(6mm)

Gas:5/8”(16mm)

3-Way

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GREE ELECTRIC GWC18AC-D3DNA1B User manual

Brand: GREE ELECTRIC

Model: GWC18AC-D3DNA1B

Category: Split-system air conditioners

Type: User manual

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GREE ELECTRIC GWC18AC-D3DNA1B User manual

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GREE ELECTRIC GWC18AC-D3DNA1B User manual

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