Operation CHARM: Car repair manuals for everyone.

Test 2

TEST 2:

Test 2:




Pushbutton Control Unit:




Test Conditions:
Selector Dial: 22°C
Function Button: "c"
Blower: "f"

- Establish condition "mode change" (overlap) by turning temperature dial slowly in upward or downward direction until legroom flaps and center nozzles are open.

Test Results/Observations:
- Monovalve cycling (every 4 to 5 seconds). At temperatures of approx. 22°C.
- Compressor switched on at outside temperatures 22°C.
- Main air flaps open (fresh air).
- Blower starts after approx. 10 seconds.
- Recirculating pump running.