322 | Section 8 Electrical System ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------- Monarch SE 2004
A/C Operation:
The air conditioning compressor operates in all modes, except vent, floor and
off, to dehumidify the air. Rotate the temperature control switch to set discharge
air temperature.
• Setting the Mode Control switch to A/C will allow outside air into the
system.
• Setting the Mode Control switch to MAX A/C will recirculate inside
air. When maximum cold air is desired, select this position.
• Set the Temperature Control switch to the blue zone.
NOTE: The temperature control switch must be set to the blue zone for
cool air.
NOTE: Activate the A/C system monthly to keep internal components of
the compressor lubricated.
Winter Use:
• De-ice the windshield using the DEFROST mode.
• The system will heat up faster with a slower blower speed until
normal engine operating temperature is obtained.
Summer Use:
• Close all windows and vents preventing hot and humid outside air
from entering the motorhome.
• MAX A/C and HI blower will provide quick cool down.
• Using a lower blower speed will produce cooler air.
Operating Tips and Hints:
• Air intake and discharge temperatures are greatly effected by ambient
temperature and relative humidity.
• A large amount of cooling capacity is used to dehumidify air as well
as cool it. After three to five minutes of A/C compressor operation, the
discharged air temperature should be approximately 30º F cooler than
the fresh or recirculated air entering the A/C system.
• The air system on the motorhome must have adequate pressure to
operate the vacuum generator or damper doors will not function.
• At the beginning of the day, activate the compressor with the engine at
idle. This will avoid sudden high speed activation resulting in damage
from lack of internal compressor lubrication.
• The dash A/C and heater system should be used monthly to keep the
compressor lubricated.
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