Main vent fan in center of coach

[Ed Gardels]

Pete-- I replaced my vent fan motor and switch, when I first got my
coach(motor was burnt out).I believe the switch has a thermostat
conected to it, up inside the unit. You could call them and ask, I did
hope this helps
Ed Gardels 89sp
Arlington Texas





--- In WanderlodgeForum@yahoogroups.com, Pete Masterson
wrote:
>
> My coach has a Fantastic Fan in the bathroom ... that works as
> expected. It also has a vent fan located more or less above the
> kitchen area in the forward section of the coach. This roof top
vent
> fan is controlled by the thermostat (when set to "cool") that also
> controls the electric Perfectoe heater in the toe kick area under
the
> kitchen cabinets.
>
> Through experimentation, I discovered that you set the thermostat
to
> "cool" and move the temperature setting toward the lower
temperatures
> to get the fan to cycle on. I also find that I can simply set the
> "fan" switch from "auto" to "on" to get the fan to run. I can set
> both switches -- heat/off/cool to cool (with the temperature
setting
> below the ambient temperature) and "auto/on" to on and the fan will
run.
>
> Now the question: No matter how the thermostat is set, the fan
will
> sometimes come on immediately when the switch is set appropriately
> and sometimes will come on after a delay of some period of time
(from
> a few seconds to a few minutes). While the fan is running,
sometimes
> it will run continuously for a long period of time (that is, until
I
> turn it off) and sometimes it will shut down for 5 or 10
seconds ...
> or a minute or two ... and start up again. During this start/stop/
> start cycle, I've observed the thermostat with the cover off and
> noted that the thermocouple in the thermostat does not 'flip' --
so
> the on-off-on cycle _is_ _NOT_ being affected by the thermostat.
>
> It is possible that there is a faulty circuit breaker that shuts
off
> power and then resets.
>
> So, does anyone have any ideas about what is causing this
behavior?
> And, does anyone know where the circuit breaker that protects this
> circuit might be hiding? (I presume that the fan operates on 12
volts
> -- I haven't, yet, disassembled anything to start testing
voltages,
> etc.)
>
> Any details or comments will be appreciated.
>
> I'm thinking of simply replacing this fan with a Fantastic Fan (to
> get the skylight effect as I have in the bathroom), so has anyone
> done that? And, is it a good idea?
>
> Pete Masterson
> '95 Blue Bird Wanderlodge WBDA 42
> aeonix1@...
> On the road at
>