32
PKFY-P18NFMU-E
PKFY-P24NFMU-E
PKFY-P30NFMU-E
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 50°F~86°F)
Disconnect the connector then measure the resistance of valve using a tester.
(Surrounding temperature 68°F)
Linear expansion
valve (LEV)
Room temperature
thermistor (TH21)
Liquid pipe temperature
thermistor (TH22)
Gas pipe temperature
thermistor (TH23)
Normal
4.3k
~9.6k
Abnormal
Open or short
Abnormal
Open or short
Normal
150
$
10%
White-Red
Yellow-Brown Orange-Red
Blue-Brown
Orange
Red
White
Blue
Brown
Yellow
M
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68°F)
Fan motor (MF)
1
3
3
2
5
1
Red
White
Black
FAN
Protector
PKFY-P18/P24NFMU-E
99.5
$
10%
103.5
$
10%
PKFY-P30NFMU-E
62.6
$
10%
74.0
$
10%
Abnormal
Open or short
Red-Black
White-Black
Motor terminal or
Relay connector
Normal
Measure the resistance between the terminals using a tester.
(Surrounding temperature 68°F~86°F)
Vane motor (MV)
Normal
Connector
Abnormal
186~214
Open or short
Brown — Yellow
Brown — Blue
Red — Orange
Red — Pink
Blue
Yellow Brown
Orange
Red
Pink
M
OPEN : 266
9°F
CLOSE : 181
27°F
1
3
3
2
5
1
Red
White
Black