13-6
CLASS C MOTORHOME
13.6 LP GAS FURNACE
The furnace(s) should not be operated when the
vehicle is underway, and the LP gas should be
turned off at the LP container any time the vehicle
is operated on public roads.
The furnace is controlled by the thermostat located
in the galley.
The furnace(s) has no pilot light but is ignited by a
direct spark ignition system. No manual lighting is
required.
2.
To Shut Down:
a.
Slide the thermostat to the off position.
b.
Close the LP gas tank valve.
For additional information and instructions, refer to
the furnace manufacturer's manual.
1.
To Start Up:
a.
Close the LP gas tank valve.
b.
Slide the thermostat switch from off to
heat.
c.
Set the thermostat above room tem-
perature to start the blower. There will
be a slight delay before the blower
comes on. Allow the blower to run for
5 minutes to purge the combustion
chamber.
d.
Move thermostat lever below room
temperature. The blower will continue
running for about 2 minutes.
e.
After the blower stops, open the LP
gas tank valve.
f.
Set thermostat to desired temperature.
If set above current room temperature, the
blower will come on.
g.
After about 30 seconds, the automatic
ignition device will light the burner. Do not
attempt to light the burner manually.
h.
There should be warm air coming from the
heating ducts. If the burner fails to light,
repeat steps a - e.
i.
If the burner fails to ignite after 3 attempts,
slide the thermostat to the off position,
close the LP gas tank valve and contact
your dealer or a local RV service center.
IMPORTANT
After the initial start-up the
furnace will automatically cycle
on and off as it delivers the
required heat. The thermostat
should be in the heat position.
Fig. 13-8 FURNACE CONTROLS