I think the DVM is a digital voltage meter ....... not an animal doctor
but I could be wrong :-)
On 12/30/2014 5:27 PM, Charles Geilfuss wrote:
Twenty two years! That's pretty amazing for what I assume you mean is a
heat pump AC/Heating system. Mine only lasted 13 years before it had to be
replaced. But then I do live by salt water marsh. Pretty harsh on the
mechanicals. By the way, why did you need help from your veterinarian? ;^)
Charlie
On Tue, Dec 30, 2014 at 2:02 PM, Chris Trask <christrask@xxxxxxxxxxxxx>
wrote:
My air conditioner was installed 22 years ago, and this is the first
time that I've used the heating function. It worked fine at first on
Sunday, but during the night it began to malfunction. The next day it
worked fine after I adjusted the anticipation setting, but then it
malfunctioned again during the night. It was fun being up on the roof with
a flashlight in my mouth and a DVM in my hand. Couldn't find anything
wrong.
This morning I tested things again, and still couldn't find anything
amiss. Then I heard a sound from outside while it was starting up, which
led me to discover that the circuit breaker was intermitent. I toggled it
a couple of times to reset it and clean the contacts, and everything has
been working fine. It was failing when it got cold, causing the compressor
to partially stalling out when the condenser blower came on, but then
letting the circulation blower run when the compressor and condenser blower
tripped out.
Then it was off on a treasure hunt to find a replacement circuit
breaker. The older Square D breakers are a bit difficult to find, and the
newer ones will not fit. I ended up buying one at Grainger's for $30, and
I'm going to buy a few spares by way of evilBay while they're still
available.
A repairman would have charged me $100 or so just for the service
call, and probably would have told me that I need an entirely new
distribution panel.
Chris
When the going gets weird, the weird turn pro
- Hunter S. Thompson
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