Canada

Air Passage Continuity Between Ports "a" and "b"
With 12 Volts DC supply
between terminals 1 and 2 Continuity
With NO 12 Volt DC supply
between terminals 1 and 2 NO Continuity

Air Passage Continuity Between Ports "b" and "c"
With 12 Volts DC supply
between terminals 1 and 2 NO Continuity
With NO 12 Volt DC supply
between terminals 1 and 2 Continuity