EXPANSION VALVE (FOR HEATING) INSPECTION
1.
Disconnect the expansion valve (for heating) connector.
2.
Measure the resistance value between the terminals of the expansion valve (for heating) side connector.
If it is out of standard value, replace the expansion valve (for heating).
Terminal
Standard value
2
5
8.0 – 10.0 Ω (At 20°C (68°F))
1
4
8.0 – 10.0 Ω (At 20°C (68°F))
2
1
No continuity
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