Flow Switch; Thermistors - Mitsubishi Electric EHSC-VM2B Service Manual

Part Name

Flow switch

Flow

Thermistors

OCH532A
Measure the resistance between the terminals with a tester.
1
State of moving part
Paddle vertical (Flow < 5.5 l/min)
2
Paddle inclined (Flow > 5.5 l/min)
3
Disconnect the connector then measure the resistance with a tester.
(At ambient temperatures of 10 - 30°C.)
Thermistor
TH1
TH2
THW1
THW2
THW5
THW6
THW7
THW8
THW9
THWB1
THWB2
65
Check Points
Normal
Open
Short
Normal Abnormal
4.3 - 9.5 kΩ Open or short
40 - 100 kΩ Open or short
Abnormal
Other than open
Other than short