Electrolux EL-KFR26G/TN2Y-A, EL-KFR36G/TN2Y-B, M2OA-18HRN2, M2OA-21HRN2, EL-KFR36G/TN2Y-A Technical & Service Manual

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GD Midea Refrigeration Equipment Co. Ltd

MULTI SPLIT TYPE, HEAT PUMP AIR CONDITIONERS

Technical service manual 2005

R407C multi Series

Indoor Models

[A SERIES] [B SERIES]

EL-KFR26G/TN2Y-A EL-KFR26G/TN2Y-B
EL-KFR36G/TN2Y-A EL-KFR36G/TN2Y-B

Outdoor Models

M2OA-18HRN2 M2OA-21HRN2
M3OA-27HRN2 M3OA-30HRN2

Multi SERIES

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1. Features

2. Specification

3. Dimensions

4. Refrigeration cycle diagram

5. Operation limits

6. Wiring diagram

7. Troubleshooting

8. Electronic function

9. Exploded view parts

10. Characteristic of temp. sensor

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1.Features

1.1 Compact design

1.2 High efficiency and quiet operation

1.3 Unitary outdoor unit design

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2 Specification

2.1 Indoor unit

Model EL-KFR26G/TN2Y-A(B) EL-KFR36G/TN2Y-A(B)

Power supply Ph-V-Hz 1, 220-240V~,50Hz 1, 220-240V~,50Hz

Capacity Btu/h 9000 12000

Input W 36.5 51.5

Cooling

Rated current A 0.17 0.24

Capacity Btu/h 10000 13000

Input W 36.5 51.5

Heating

Rated current A 0.17 0.24

Model RPG13H RPG20D

Brand Welling WELLING

Input W 36.5 51.5

Capacitor uF 1.2 1.5

Indoor fan motor

Speed(hi/mi/lo) r/min 1180/1080/1000 1250/1000/800

a.Number of rows 2 2

b.Tube pitch(a)x row pitch(b) mm 21x13.37 21×13.37

c.Fin spacing mm 1.3 1.3

d.Fin type (code) Hydrophilic aluminium Hydr0philiC aluminium

e.Tube outside dia.and type mm

φ7 INNEGROOVE TUBE φ7, innergroove tube

f.Coil length x height x width mm 578X252X26.74 635×315×27.34

Indoor coil

g.Number of circuits 2 2

Indoor air flow (Hi/Mi/Lo) m3/h 500/460/410 680/520/420

Indoor noise level (Hi/Mi/Lo) dB(A) 40.5/37.4/34.6 42.0/35.0/30.0

Dimension (W*H*D) mm 750×250×214(210) 815x282x217

Packing (W*H*D) mm 837X340X295 915x360x295

Indoor unit

Net/Gross weight Kg 9/11 10.5kg/12kg

Design pressure(Hi/Lo) MPa 2.8/1.2 2.8/1.2

Liquid side/ Gas side mm

Ф6.35/Ф9.53 Ф6.35/Ф12.7

Max. refrigerant pipe length m 10 10

Refrigerant piping

Max. difference in level m 5 5

Connection wiring No No

Plug type 10A 16A

Thermostat type Electronic control Electronic control

Operation temp

℃

17-30 17-30

Ambient temp

℃

18-45 18-45

Application area m2 14-21 18-26

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2.2 Outdoor unit

Model M2OA-18HRN2 M2OA-21HRN2 M3OA-27HRN2 M3OA-30HRN2

Power supply

Ph-V-Hz

1Ph,220-240V,50Hz 1Ph,220-240V,50Hz 1Ph,220-240V,50Hz 1Ph,220-240V,50Hz

Capacity Btu/h 9000X2 9000+12000 9000x3 9000x2+12000

Input W 1050X2 960+1100 1050X3 1800+1300

Rated

current

A 4.6X2 5+6 4.6X3 8.2+5.8

Cooling

EER

Btu/w

.h

8.6 8.8 8.5, 8.9, 8.5,

Capacity Btu/h 10600X2 10000+13000 10600x3 13000+20000

Input W 1080X2 960+1140 1080X3 1750+1300

Rated

current

A 4.8X2 5+6 4.8X3 8.2+5.8

Heating

COP

Btu/w

.h

9.8 9.6

9.6 10.2/ 9.6

Moisture Removal L/h 1.0x2 1.0+1.2 1.0x3 1.0x2 +1.2

Max. input consumption W 1330X2 1500+1900 1330X3 2200+1800

Max. current A 6.0X2 7.0+8.0 10.0 +8.2 10.0 +8.2

Starting current A 19.8 19.8+30 40+30 40+30

Model PG180X1C-4DZ3X2

PG180X1C-4DZ3+P

G225X2C-4FT

PG295X2CS-4KU1;

PG225X2C-4FT

PG295X2CS-4KU1;

PG225X2C-4FT

Type ROTARY Rotary Rotary Rotary

Brand GD TOSHIBA GD TOSHIBA GD Toshiba GD Toshiba

Capacity Btu/h 10800X2 10800+13650 18080; 13650 18080; 13650

Input W 1000X2 1000+1310 1760; 1310 1760; 1310

Rated

current(RLA

)

A 4.4X2 4.4+6.1 8.5; 6.1 8.5; 6.1

Locked rotor

Amp(LRA)

A 24X2 24+31 44, 31 44, 31

Thermal

protector

UP3QE0591-T61X2

UP3QE0591-T61+U

P3RE0591-T56

Internal Internal

Capacitor uF 25X2 25+35

35uF/440VAC;

35uF/440VAC

35uF/440VAC;

35uF/440VAC

Compre

ssor

Refrigerant

oil

ml 400X2 400+ 480 750; 480 750; 480

Model

YDK69-6 YDK69-6

YDK50-4G1 YDK50-4G1

Brand WeiLing WeiLing Welling Welling

Input W 154 154 107Wx2 107Wx2

Capacitor uF

4 4

4uFx2 4uFx2

Outdoor

fan

motor

Speed r/min

900/670 900/670

1150 1150

a.Number of rows

2 2

2 2

Outdoor

coil

b.Tube pitch(a)x

row pitch(b)

mm

25.4X22 25.4X22

25.4x22 25.4x22

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c.Fin

spacing

mm

1.7 1.7

1.5 1.5

d.Fin type

(code)

HYDROPHILIC

ALUMINIUM

HYDROPHILIC

ALUMINIUM

Hydrophilic

aluminium

Hydrophilic

aluminium

e.Tube

outside

dia.and type

mm

Ф9.53

INNERGROOVE

TUBE

Ф9.53
INNERGROOVE
TUBE

Ф9.53, Innergroove

tube

Ф9.53, Innergroove

tube

f.Coil length

x height x

width

mm

810X610X44 810X610X44

813X812X44 813X812X44

g.Number of

circuits

12 12

5(A System);4(B

System)

5(A System);4(B

System)

Outdoor air flow m3/h

1900 2070

1450x2 1450x2

Outdoor noise level dB(A)

58 58 60 62

Dimension(

W*H*D)

mm

895X345X655 895X345X655

860X830X330 860X830X330

Packing

(W*H*D)

mm

1050X470X720 1050X470X720

983X915X425 983X915X425

Outdoor

unit

Net/Gross

weight

Kg

73/77 60/65 90/94 90/94

Refrigerant type g R407C/800X2 R407C/750+1000 R407C/ 1470+820 R407C/ 1470+820

Design pressure(Hi/Lo) MPa 2.8/1.2 2.8/1.2 2.6 2.6

Liquid side/

Gas side

mm(in

ch)

Ф6.35/Ф9.53

Ф6.35/Ф9.53; Ф

6.35/Ф12.7

Ф6.35/Ф9.53;Ф

6.35/Ф12.7

Ф6.35/Ф9.53

Max.

refrigerant

pipe length

m 10 10 10 (each unit) 10 (each unit)

Refriger

ant

piping

Max.

difference in

level

m 5 5 5 (each unit) 5 (each unit)

Connection wiring No No No No

Plug type No NO No No

Thermostat type Electronic control Electronic control Electronic control Electronic control

Operation temp

℃

17-30 17-30 17~30 17~30

Ambient temp

℃

18~45(cooling);

-7~30(heating)

18~45(cooling);

-7~30(heating)

18~45(cooling);

-7~30(heating)

18~45(cooling);

-7~30(heating)

Application area m2 (14-21)x2 14-21; 18-26 (14-21)x3 (14-21)x2,16-24

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3.Dimensions

3.1 Indoor unit

A B

C

D B

C

Pan el A

Pan el B

A B C

EL-KFR26G/TN2Y-A(B)

214 750 250

EL-KFR36G/TN2Y-A(B)

217 815 282

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3.2 Outdoor unit

Outdoor unit 18K/21K

Outdoor unit 27K/30K

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4.Refrigeration cycle diagram

“1 drive 3 system” is made up of one “1 drive 1 system” and one “1 drive 2 system”.

PMV1

1 drive 2 system

SV1：Primary four-way valve SV2：Secondary four-way valve PMV1，PMV2：Electronic expansive valve
T1，T2：Indoor pipe temperature sensor

Condenser

Four-way valve

Evaporator

Compressor

1 drive 1 system

Notice：For 1 drives 2 system, there are two individual refrigerant circuit and two compressors, but for the 1drive 2
system in the 1 drive three system, there is only one refrigerant circuit and only one compressor.

PMV2

SV2

SV1

2＃

1＃ T2

T1

refrigeration distributor

Compressor

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5.Operation limits

5.1Cooling operation

Outdoor unit air temp.℃ DB

45

17

-7

0 17 32

Indoor air temp.

℃ DB

Note: 1.The chart is the result from the continuous operation under constant air temperature

Condition. However, excludes the initial pull-down stage.

2.The operation range below the dashed is the result added the low ambient kit.

5.2Heating operation

Indoor air temp. ℃ DB

30

25

20

15

10

5

-5 5 15 25

Outdoor unit air temp.

℃ DB

Note : The chart is the result from the continuous operation under constant air

temperature conditions. However, excludes the initial pull-down stage.

COOLING