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A question for the Techxperts
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<blockquote data-quote="blisters" data-source="post: 312408" data-attributes="member: 4992"><p>Are the compressors run at the same time? If not you'd wind up with a charge imbalance over the batteries. If run at the same time I question the purpose of wire 2. If the compressors use exactly the same current then wire 2 would be zero current otherwise a charge imbalance would occur with a current equal to the compressor current imbalance measurable on wire 2. If the W compressor uses more current then the current imbalance would be headed S on wire 2 discharging the W battery at a greater rate than the E battery. i.e. if the W compressor uses 1 amp more than the E compressor then you'd see this 1amp on wire 2.</p><p></p><p>If it were me I'd ditch wire 2 and run the compressors in series with one relay and switch. Complicated circuits can have complicated results as Tath pointed out. </p><p>Jon</p></blockquote><p></p>
[QUOTE="blisters, post: 312408, member: 4992"] Are the compressors run at the same time? If not you'd wind up with a charge imbalance over the batteries. If run at the same time I question the purpose of wire 2. If the compressors use exactly the same current then wire 2 would be zero current otherwise a charge imbalance would occur with a current equal to the compressor current imbalance measurable on wire 2. If the W compressor uses more current then the current imbalance would be headed S on wire 2 discharging the W battery at a greater rate than the E battery. i.e. if the W compressor uses 1 amp more than the E compressor then you'd see this 1amp on wire 2. If it were me I'd ditch wire 2 and run the compressors in series with one relay and switch. Complicated circuits can have complicated results as Tath pointed out. Jon [/QUOTE]
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