

| Subject: | Re: 84 GL Heater question |
| From: | Dr. Rainer Woitok |
| Date: | Thu, 10 Dec 1998 16:08:24 +0100 |
Scott and others,
On Thu, 1998-12-10 00:32:28 EST, Scott Desanti wrote:
> ...
> Try moving the bottommost
> heater contol lever to the far right (no outside air in). The next lever
> seems to work best when positioned fart left (function unknown).
Heater controls for a German Vanagon, from top to bottom:
1. Amount of air flow from outside through heater core to windscreen
defroster outlets.
At far left: off. At far right: fully open.
2. Amount of water flow to heater core.
At far left: off, that is cold. At far right: fully open, that is
hot (or rather: warm :-)
3. Amount of air flow from outside through heater core to driver's and
front passenger's feet.
At far left: fully open. At far right: off.
4. Amount of air flow from outside to the roof vents.
At far left: fully open. At far right: off.
Control #2 regulates the temperature for both, windscreen defrosting
(#1) and normal heating (#3) while these latter two controls just
regulate the amount of air flowing to these two places. Control #4 is
sort of a master control for the roof vents because each roof vent can
be controlled individually, too.
If you ask VW why controls #3 and #4 work the other way round as #1 and
#2 and as you'd normally expect, you'll get the answer that with the
controls designed this way it's most easy to set up your Vanagon for
quick defrosting in winter by simply pushing all the controls to the
utter right end and switching the fan to positions 2 or 3.
I hope this helps.
Sincerely
Rainer
'89 Caravelle GL Syncro 16"
----------------------------------------------------------------------
| Rainer M Woitok | Phone: (+49-9131) 85-27811,-27031 |
| Regionales Rechenzentrum | |
| Friedrich-Alexander-Universitaet | Fax : (+49-9131) 30 29 41 |
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