Primus System

[ronmarabito2002]

Don't care if it's cold or not, one unit can handle you. I've
operated with one unit down to zero degrees.

The humming and pop is the pump running and the firing of the boiler
probably. All normal.

Simplest troubleshoot is to check the reset in the line of the output
side of the boiler and then check to see if driver area control will
fire system. If not, then you have to check the thermistor, which
will be the one in the galley under the overhead cabinet on the driver
side. It is a small black plastic finned unit about the size of a
silver dollar and 3/4inch thick. Remove it and disconnect the two
wires. Keep them separate and try firing the unit from the panel. If
it fires, touch the two wires together and it should shut down the
unit. If it doesn't fire, more then likely you have a bad board in
the controller. It is possible that the board on the boiler is bad
too, but you have to go through it methodically. The boards are
pretty expensive. Remove the controll panel and check all the
connections and inspect to see if anything is obvious.

I can't help you much past that, other than to make sure you have
adequate coolant in your reservoirs in the upper rear of your engine
compartment. Those reset buttons in the output lines are high
temperature cut-outs and when they go off, sometimes the reservoir
will blow out coolant from the steam that develops in the line.

If push comes to shove on tripping of the high-temp reset, then simply
take the wires loose and connect them by-passing that safety. This is
a redundant safety since there is another built-in to the boiler.

Hope that helps some.

R.E. (Ron) Marabito, Dallas, TX 92WB40


--- In WanderlodgeForum@yahoogroups.com, "Brian Gatley" wrote:
>
> Ron,
>
> What other kind of information do you need to get the front panel
> working? This is the main panel and I do want to get it all working.
> We are cold here and I will need both sides working, plus the storage
> bays. Also, I want to get everything on the coach working.
>
> Any idea what the hum and then pop sounds might be? Is something else
> happening?
>
> Brian Gatley
> 93 WLWB PT 40
> Bend, OR
>
> -----Original Message-----
> From: WanderlodgeForum@yahoogroups.com
> [mailto:WanderlodgeForum@yahoogroups.com] On Behalf Of
> erniecarpet@...
> Sent: Saturday, February 25, 2006 8:36 AM
> To: WanderlodgeForum@yahoogroups.com
> Subject: Re: [WanderlodgeForum] Primus System
>
>
> Your panel in the rear is indicating just fine and you can operate with
> just
> that side of the coach. You do not need to run the panel in the driver
>
> area. You can put the system on and go to the rear of the coach and
> here the
> boiler running. If it shuts down prematurely, there is a little reset
> button in
> the output line of the boiler.
>
> Your front unit could have a problem with the reset in that line, a bad
>
> thermister or it could have a bad board in the control unit.
>
> I would need more intormation before I could tell you more. So the end
>
> result is, you should be able to get ample heat with just the rear unit
> on. It
> will provide heat on the driver side of the coach from front to rear.
>
> R.E. (Ron) Marabito, Dallas, TX 92WB40
>
>
>
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