4-13
4.11 POWER ROOF VENT (OPTIONAL)
Each motorhome is equipped with a roof
vent with a reversible fan to provide a
controlled air flow through the vehicle.
Use the vent fan in conjunctions with an
open window to provide a flow of fresh air
into the unit.
Use these controls:
1. In/Out:
This rocker switch controls the
rotational direction of the fan in the
vent. Depress the IN side of the
switch for the fan to draw air into the
coach. Depress the OUT side for
the fan to blow air out. The fan must
always come to a complete stop
when changing directions.
2. ON/OFF Fan Speed:
This 4 position rotary switch controls
the power to the fan and the fan
speed. Turn the switch to its most
counterclockwise position to turn the
fan off. Turn the switch to its first,
second or third clockwise detents
(Position 1, 2 and 3 respectively) to
set the fan speeds at low, medium or
high. The roof vent must be open at
least 3 inches or the internal safety
switch will prevent the fan from
coming on.
3. Vent Height:
This knob controls the position of the
vent hood. Turn the knob clockwise
to pull the hood down and close it.
Turn counterclockwise to raise or
open the hood.
Inside
Outside
CLASS C MOTORHOME
4. Thermostat:
This rotary switch controls the set point for the
system thermostat. Turn the knob to the
desired position. Moving the pointer to the red
portion of the scale will increase the tempera-
ture of the set point for the vent fan to come on.
To operate, the vent must be open and fan
switch turned to either in or out.
Fig. 4-17 ROOF VENT
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