Main vent fan in center of coach

[Pete Masterson]

The AC switch doesn't see to affect the Kool-matic (but most
certainly does affect the toe-heater).

Pete Masterson
aeonix1@...
'95 Blue Bird Wanderlodge WBDA 42'
El Sobrante, CA




On May 14, 2007, at 5:13 PM, Leroy Eckert wrote:

>
> Mine does not start and stop. It just runs until I shut it off. I
> could be a weak breaker as you say or a loose wire, possibly at the
> fan. Unfortunately, I do not know where the breaker resides. When
> I am up to the bus again this week I will see if I can figure it out.
> I did not check this. Since the thermostat that controls the fan
> also operates the little toe heater, mine also near the driver, I
> wonder if that front A/C master has anything to do with it. I had
> my front a/c on today while I was working.
> I do like the Kool Matic, it is a lot quieter than the bathroom
> Fantastic fan.
>
>
> ----- Original Message -----
> From: Pete Masterson
> To: WanderlodgeForum@yahoogroups.com
> Sent: Monday, May 14, 2007 4:43 PM
> Subject: Re: [WanderlodgeForum] Main vent fan in center of coach
>
>
> Leroy,
>
> Yes ... the Kool-matic fan. That's the one I'm talking about.
> (Couldn't remember the name earlier.)
>
> It sounds like the fan simply runs ... no starts and stops, right?
> Mine will run for a while, then quits for a few seconds and then run
> for awhile... I suspect a 12 v circuit breaker that's tripping then
> resetting itself. The thermostat is _not_ the problem. I've switched
> the fan on with the heat/off/cool set to off and the auto/on set to
> on ... runs... stops... runs ... stops... runs. Same with heat/off/
> cool set to cool (auto/on set to auto). Runs ... stops... runs...
> stops... etc. ... I've had the cover off the thermostat and the
> thermocouple (the coiled spring thing) does NOT move when the fan
> cycles on/off (although I can get the thermostat to cycle the fan
> off
> by moving the temperature setting above the ambient temperature).
>
> I'm assuming a faulty circuit breaker, of course, the fan motor
> itself may be drawing too much current, causing the breaker to
> trip... either case, I can't put a tester on it (conveniently) with
> out knowing which breaker and what value to be checking...
>
> So, my question really is, where is the circuit breaker that
> services
> the fan? I've got dozens of pages of wiring diagrams that often
> provide little useful information (or information so encoded as
> to be
> near-impossible to decode). So far, I've found description of
> many of
> the fuses in the front compartment and those in the back closet ...
> but many others of the fuses in both locations aren't described. The
> descriptions up front are almost all related to vehicle functions...
> but "house" functions aren't described. (Likewise the rear panel in
> the back closet.)
>
> <sigh> This is soooo frustrating sometimes.
>
> Pete Masterson
> '95 Blue Bird Wanderlodge WBDA 42
> aeonix1@...
> On the road at Lockhart, Texas
>
> On May 14, 2007, at 3:15 PM, Leroy Eckert wrote:
>
>>
>> Pete:
>> Mine operates in a similar fashion. My fan is 12v Kool Matic
>> RV-12. With the heat/cool side set to off, the fan operates when
>> the auto/fan side is switched to on. In auto and cool selected the
>> fan operates if the thermostat lever is moved below air
>> temperature. In the on position it will run until it is turned
>> off. Presumably, in the auto position it will run until
>> themperatures drop( I am not certain) I was finalizing my side
>> camera install today and tried it out. It stayed on in the auto
>> position the whole time I was working.
>> It does not run on heat/auto.
>> I have always used it with the heat/cool off and fan on. Didn't
>> know it would operate the other way until now.
>>
>> Leroy Eckert
>> 1990 WB-40 "Smoke N Mirrors"
>> Niceville, FL
>
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