Quote:
Originally Posted by William.c.Jones
We're rookies and we wired our pressure cut off switch in series with the supply voltage after the spike relay. Now we've read that this is not correct and have to rewire the switch to the digital side car. what happens if your code is wrong and it does not read the switch won't the compressor say on.
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I believe the Spikes can be used in both normally open or closed state, and can be controlled through software. The compressor switch will turn off the compressor and is installed between the Spike input and the Digital sidecar. If your programming is wrong, the pressure switch is a control device to ensure it will turn it off when the system reaches 125 lbs. Sorry I can't help you with the code, but I'm sure someone else on this forum can, or I can get the info from our student programmer.
See R72, which verifies that the pressure switch must be wired to the digital sidecar input port and ground.