13
TROUBLESHOOTING
8
7
REFRIGERANT SYSTEM DIAGRAM
8-1. HOW TO CHECK THE PARTS
PKFY-P32, 40, 50VHM-E PKFY-P32, 40, 50VHM-ER1
PKFY-P32, 40, 50VHM-E
PKFY-P32, 40, 50VHM-ER1
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(At the ambient temperature 10
~30
)
Disconnect the connector then measure the resistance value using a tester.
(Coil temperature 20
)
Vane motor (MV)
Linear expansion
valve (LEV)
Refer to the next page for the details.
Room temperature
thermistor (TH21)
Liquid pipe temperature
thermistor (TH22)
Gas pipe temperature
thermistor (TH23 ,24)
Normal
4.3k
~9.6k
Abnormal
Open or short
Normal
200
± 10%
Abnormal
(1)-(5)
White-Red
(2)-(6)
Yellow-Brown
(3)-(5)
Orange-Red
(4)-(6)
Blue-Brown
Open or short
Measure the resistance between the terminals using a tester. (Coil temperature 25
)
Normal
350
± 7%
Abnormal
-
Brown-Red
-
Brown-Orange
-
Brown-Yellow
-
Brown-Green
Open or short
Fan motor (MF)
Red
Yellow
Brown
Orange
Green
Connect pin No.
M
1
2
3
4
5
6
LEV
White
Yellow
Orange
Blue
Red
Brown
CN60
Refer to 8-1-3.
Strainer (#50mesh)
Strainer (#100mesh)
Strainer1 (#50mesh)
Strainer2 (#100mesh)
Heat exchanger
Room temparature thermistor TH21
Gas pipe thermistor TH23
Liquid pipe thermistor TH22
Linear expansion valve
Gas pipe
Liquid pipe
Flare connection
Gas pipe
Liquid pipe
PKFY-P32VHM-E(R1)
PKFY-P40VHM-E(R1)
:
12.7(1/2)
:
6.35(1/4)
PKFY-P50VHM-ER1
:
12.7(1/2)
:
6.35(1/4)
Item
Service Ref.
Unit : mm (inch)
Gas pipe thermistor TH24
PKFY-P50VHM-E
:
12.7(1/2)/
:
15.88(5/8)
:
6.35(1/4)/
:
9.52(3/8)
