I’m struggling with a system (Delanaire Mk3) which is behaving strangely:
RH fan motor only runs if RH switch in Defrost; centre vent, recirc vent
and defrost vent don’t operate - but water valve does; no heat from upper
vents - lower vents ok. Signals to failed vent valves from computer ok.
Signals to computer from difference pot and temp pot ok. Vacuum supply
seems ok and water valve operates ok anyway. Occasionally no cooling
either. Feels like a grounding issue. Any ideas chaps?
TIA, Chris===================================================
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