Curt Sprenger Re: Engine Compartment Hot Air Exhaust Fan

[Scott Forman]

I'm not the guy you asked for, but I did install a fan on my Bird.
Your set-up and Curts are both far more elaborate than mine...I just
bought a cheap fan at AutoZone, attached it to the grill with zip
ties, and wired it up. Low-tech to say the least, but is has served
me well for a year now.

As for my wiring, this is my recollection of how I did it:

1) Removed existing thermostat from compartment ceiling. Discinnect
original wires. You can test th thermostat by connecting a multi
meter to the leads and heating it with a lighter. It current starts
flowing when you heat it up, it works.
2) Run new wires above metal heat shield hanging from ceiling over to
thermostat and connect.
3) Install relay (Radio Shack) in charger comparment...on my coach,
it is right next to the grill. Ran wires through same holes battery
cables go through. Found suitable 12v source in charger compartment.
4) Run wires to fan. Enclose all wires in plastic conduit.

Works like a charm. I installed male-female connectors in-line on
the wires going to the fan, so if I want to change direction, I
simply unhook those and reverse the connection. I find it seems to
work best blowing in rather than sucking out.

The whole project took about 1.5 hours and may have cost me 70
bucks. Certainly not going to be mistaken for a "factory"
installation like y'alls could, but functional nonetheless.

Scott Forman
86 PT38
Memphis

--- In WanderlodgeForum@yahoogroups.com, "bumpersbird"
wrote:
>
> Curt,
>
> I was reading your file on (Engine Compartment Hot Air Exhaust Fan
> System).
>
> Did you set up one or two fans?
>
> In the text it describes a one fan set up but there are two fans in
> the pics.
>
> Would you clarify that for me?
>
> I really like the ability to change fan direction to pull or push
air
> through the compartment. I didn't think of that. Brilliant!
>
> The fans I bought are capable of rotating in either direction so I
> would like to set them up that way.
>
> I'm guessing that the diagram of the relays, breakers, and switchs,
> should be installed twice to get full capability out of a two fan
> system.
>
> I've got the fans built and mounted on the swing out grill right
> rear, so all I need to do is set up the electrical end of the
system.
> The picts are still on the home page under new photos. Pic # 62208-
4
> bumpersbird album.
>
> I have most of the parts to set it up including realy neat
adjustable
> temp snap thermostats. I'm assuming that the the thermostats are
> normally open?
>
> Any help or ideas on your experiance would be great. Thanks in
> advance.
>
> The rest of you shade tree engineers are welcomed to throw in your
> ideas to :}
>
> Kurt Horvath
> 95 PT-42 WLWB
> 10AC
>