58
APPLIANCE AND EQUIPMENT OPERATION UNITY MOTORHOME
COACH POWER ROOF VENT
The coach power roof vent is used to provide
controlled air ow throughout the coach cabin. Use the
vent fan in conjunction with an open window to
provide fresh air ow.
OPERATING CONTROLS
The on/off switch
3
controls the power to the fan�
A three-position rotary switch
4
controls the fan
speed. Turn the switch clockwise to positions 1, 2,
or 3 to set the fan speeds to low, medium or high
respectively.
The roof vent controls include an on/off switch and
a thermostatically controlled fan speed switch�
The 12 volt DC fan provides proper ventilation,
comfortable temperature control and adequate air
ow. It is also used to vent the shower and toilet.
Opening a window while operating the fan produces
maximum air ow. Opening windows farthest away
from the fan will provide the best air exchange. Open
windows sufciently to allow proper air circulation.
6
3
5
7
4
8
NOTE: The roof vent must be open at least 3 inches
(76 mm) or the internal safety switch will prevent the
fan from operating�
THERMOSTAT OPERATION
A rotary thermostat
5
controls the coach cabin
temperature. If the roof vent is open, the fan motor
will start and stop automatically as the interior coach
temperature exceeds or drops below the selected
temperature�
MAINTAINING THE ROOF AIR
CONDITIONER/HEAT PUMP
Clean or change the air conditioner lter at least every
two weeks when the air conditioner is in operation.
Do not operate the air conditioner without a lter.
CLEANING/CHANGING FILTER
1� Release the lter cover by depressing the
retainer clip
1
�
1
2
2� Remove the lter
2
and wash in warm soapy
water. Dry the lter thoroughly before reinstalling.
If the lter is excessively dirty, replace with a new
lter.
2
NOTE: Refer to the air conditioner manual in the
Motorhome Information Kit for detailed maintenance
instructions�