Whirlpool WRI27SG, WRI24SG, WRI27SW, WRI22SW Service Manual

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REV-00 25/04/07

SERVICE

Whirlpool of India Limited

WRI27SG
WRI27SW
WRI24SG
WRI22SW

Service Manual

o frost Refrigerato

Top Mount

Page

Safety Precautions 2 - 3

Technical data 4

Exploded View 5 - 8

Spare part List 9 - 11

Trouble shooting chart 12 - 15

Board level diagnostics 16

Wiring diagram 17

This document is intended only for qualified technicians who are aware of the respective
safety regulations

01

Safety Precautions

SERVICE

02

REV-00 25/04/07

SERVICE

03

REV-00 25/04/07

Units WRI27SG WRI27SW WRI24SG WRI22SW

Dimensions

Height mm 1690 1690 1580 1420
Width mm 550 550 550 550

Depth mm 655 655 655 655

Weight

Gross weight Kg 60 60 56 53

Refrigerant

Type R-134a R-134a R-134a R-134a
Qty grams 102 102 94 94

Compressor

Model EGZS80HLC EGZS80HLC DG66C11RAW5 DG66C11RAW5
Application

Low back pressure Low back pressure Low back pressure Low back pressure

Voltage 220-240V 220-240V 220-240V 220-240V
Frequency Hz 50-60 50-60 50 50
Motor Input W 112 112 117 117
Current A 0.57 0.57 0.56 0.56
Compressor Weight (with oil) Kg 11.18 11.18 9.6 9.6

Motor Protector (Compressor)

Model 4TM283KFBYY-53 4TM283KFBYY-53 205NHBYY 205NHBYY
Opening temperature °C 105 105 120±5°C 120±5°C
Closing temperature °C 61 61 69±9°C 69±9°C
Trip current 9.4A @ 25°C 9.4A @ 25°C 1.41A±7.5%

@70°C

1.41A±7.5%
@70°C

PTC relay (Compressor)

Model PTH7M220MD3 PTH7M220MD3

330MD2/7M330M 330MD2/7M330M

Resistance ohm 17.6 TO 26.4 @

25°C

17.6 TO 26.4 @
25°C

33 33

Running Capacitor model

351505NGA 351505NGA 401405L 401405L

Rating 5microF/350VAC 5microF/350VAC 4 microF/400V 4 microF/400V

Fan Motor

model ESF2 ESF2 ESF2 ESF2
Speed rpm 3000 3000 3000 3000
Voltage V 220-240 V 220-240 V 220-240 V 220-240 V
Frequency HZ 50-60 HZ 50-60 HZ 50-60 HZ 50-60 HZ
Power Input W 2.5 W 2.5 W 2.5 W 2.5 W

Defrost Heater

Type GLASS HEATER GLASS HEATER GLASS HEATER GLASS HEATER
Heater Power W 180 W 180 W 180 W 180 W

Temperature control

Control type Electronic control Electronic control Electronic control Electroniccontrol
Low cool :(set pt 1) Cut In temp °C 6.5 6.5 6.5 6.5
Cut out temp °C -1.5 -1.5 -1.5 -1.5
Medium cool:(set pt5)Cut In temp °C 1.5 1.5 1.5 1.5
Cut out temp °C -6.5 -6.5 -6.5 -6.5
High cool :(set pt 8) Cut In temp °C -1 -1 -1 -1
Cut out temp °C -11 -11 -11 -11

Defrost timer

Hours between defrost hours 10 10 10 10
Defrost time max minute 24 24 24 24

Defrost thermostat (bimetal)

Type Thermistor Thermistor Thermistor Thermistor
Open temp °C 5±2°C 5±2°C 5±2°C 5±2°C
Close temp °C -7.8 ±4.2°C -7.8 ±4.2°C -7.8 ±4.2°C -7.8 ±4.2°C

Technical data

SERVICE

04

REV-00 25/04/07