Yes you did, Steve. Thanks! However, I learned a lot from this discussion and also think there are multiple factors involved in this perfect AC storm. But the basic diagnosis is yours. Well done1
Anne
On Jun 19, 2012, at 11:09 AM, Steve Pfiffner wrote:
> I have spent 40 years running old and new RV A/C units in Texas and in the
> real world as Anne discovered they freeze up with the right set of
> conditions. All I can say is that I diagnosed the problem from a lot of
> experience on the first call.
>
> Steve
>
>
> On Tue, Jun 19, 2012 at 10:50 AM, Rick Kunath <k9ao@charter.net> wrote:
>
>> **
>>
>>
>>
>>> In the small space of an RV the water vapor from humans, pets, cooking,
>>> bathing and going in and out a lot and losing your cool air can cause a
>> new
>>> unit in perfect condition to
>>> freeze up once temperatures get high enough it no longer cycles on the
>>> thermostat which allows the condensate to drain off.
>>
>> Actually, the unit does not need to cycle to remove the evaporator coil
>> condensate. This is an ongoing thing because of the temperature of the
>> evaporator coil. The humidity will condense on the coil and drain
>> continuously. Of course if it has frozen, switching to fan only for a
>> while is the only way to melt off all of the ice.
>>
>> One thing I forgot to mention is that a dirty coil will freeze up easily
>> too. When was the last time that evaporator coil was cleaned? The make
>> special spray cleaner for just that job.
>>
>> And another cause of freezing is having the fan on low. You want a lot
>> of air moving through the unit, so keep the fan on high. Get all of the
>> cool from the evaporator coil as fast as you can.
>>
>> Also, take a good look and make sure that the unit is not sucking it's
>> own just-cooled air back in. Make sure the input and output louvers are
>> not sucking the cold air right back in. If they are rig something to
>> stop that.
>>
>> Rick Kunath
>> WBCCI #3060
>>
>>
>>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> To unsubscribe from this group, go to http://www.groups.yahoo.com/group/AirstreamList/ and unsubscribe. To suspend delivery while traveling, simply change the delivery option to No Mail-Web only.
>
> This site is not sponsored by or affiliated in any way with Airstream Inc, Thor Inc, or the WBCCI.
>
>
> Yahoo! Groups Links
>
>
>
This site is not sponsored by or affiliated in any way with Airstream Inc, Thor Inc, or the WBCCI.
0 comments:
Post a Comment