Marvair SP-SC Air.pdf - Marlow-Hunter, LLC
Marvair SP-SC Air.pdf - Marlow-Hunter, LLC
Marvair SP-SC Air.pdf - Marlow-Hunter, LLC
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SeaMach Reverse Cycle <strong>Air</strong> Conditioners<br />
Instructions for the Manual Thermostat for use with SeaMach models <strong>SP</strong>M or<br />
<strong>SC</strong>M.<br />
Cooling Cycle<br />
1. Set the compressor time delay to 3 minutes<br />
2. Adjust the cooling temperature set point on the thermostat higher than the cabin temperature.<br />
3. Slowly lower the thermostat’s cooling set point until the set point is below the cabin temperature.<br />
The blower, compressor and pump should be operating.<br />
4. Close all doors and hatches.<br />
5. Allow the unit to operate 10 minutes.<br />
6. After 10 minutes, there should be a 15°F (8°C) to 20°F (11°C) difference in the supply and return air<br />
temperatures.<br />
Heating Cycle<br />
Note: Do not turn unit “OFF” and then immediately back “ON”. Wait three minutes to<br />
allow refrigerant pressures to equalize.<br />
1. Adjust the heating temperature set point on the display module or the thermostat higher than the<br />
cabin’s temperature.<br />
2. Slowly raise the thermostat’s heating set point until the set point is above the cabin temperature. The<br />
blower, compressor and pump should be operating.<br />
3. Close all doors and hatches.<br />
4. Allow the unit to operate 5 minutes.<br />
5. After 5 minutes there should be a 15°F (8°C) to 25°F (11°C) difference in the supply and return air<br />
temperature.<br />
SeaMach Owner’s Manual 5/05 Page 13 of 24