SMB Air Conditioner
12 VDC Owner’s Manual 9/09
Page 6 of 13
Chapter 4 - Thermostats
Your unit is controlled by a wall mounted thermostat. Before setting up the thermostat:
1. Turn the seacock valve to the open position
2. If the water pump has a dedicated breaker, turn it on. Verify that water is being discharged
overboard.
Instructions for the Thermostat
Cooling Cycle
1. Adjust the cooling temperature set point on the thermostat higher than the cabin temperature.
2. Slowly lower the thermostat’s cooling set point until the set point is below the cabin temperature.
The blower, compressor and pump should be operating.
3. Close all doors and hatches.
4. Allow the unit to operate 10 minutes.
