AC Thermostat

grouch0jrgrouch0jr Member Posts: 221 ✭✭✭
The AC on my boat cools just fine, but the thermostat doesn't read the ambient temperature correctly. It's probably 80° in the cabin, but the display shows 67. This is a problem because it only lets me adjust the setpoint to a minimum of 65, so it's uncomfortable. It's a Marine Air Systems unit, like the image attached. Is there a way to recalibrate this? Anyone else have this problem? 


2006 342EC - Twin Mercruiser 350 MAG MPI Horizons

Comments

  • grouch0jrgrouch0jr Member Posts: 221 ✭✭✭
    Ok, I feel super silly for posting this, I was able to figure it out on my own immediately after posting. I found the manual online and was able to put the control panel in "program mode", then adjust the Temperature Sensor Calibration (parameter #5). I added 10 degrees to the "measured" temp, and now it's working as expected.
    2006 342EC - Twin Mercruiser 350 MAG MPI Horizons
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