The SV controller measures the heat pump thermistors on the heat pump. These can all be viewed through the diagnostic menu to help confirm operation or issues with the heat pump
SV Series controllers feature hidden diagnostic menu used to troubleshoot and identify issues.
***These measurements should be taken while the heat pump is sitting idle and also while running.***Both measurements should be within a couple of degress when the heat pump is idle and settled.The H.CON reading should widen out up to approx 5 - 10°C when running (H.CON drops while heating / Rises when Cooling)The H.AMB value should remain relatively still between sitting idle and running
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