Remove cover.
Valve (A) must be open or lifted off of its seat at + 15º C (57º F).
Switch on ignition at temperatures below + 15º C (57º F).
After about 1 minute the bimetallic spring (C) of valve (A) must have
lifted 1 to 2 mm (0.040 to 0.078").
If the valve does not lift the resistor is defective or the flat plug is
without current.
Caution The valve seat (B) is adjusted in a climatic room.
This setting may never be altered.
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