Next message: Robert Meyer: "Re: T&T: bow thrusters"
In a message dated 6/1/04 12:03:13 AM,
writes:
<< I have had domestic appliances (fridge and freezer) on board Penta for
the last 10 plus years. When I started the current refit these units were
removed and although the coils were both touching the wood inside the space
there was no sign of overheating. In the last few years I added circulation
fans to both units by connecting an AC relay to the compressor input and
using the relays to turn on muffin fans. What I immediately noticed was a
much reduced run time due to the extra cooling but there did not seem to be
any dangerous overheating in the first place. I just went out to the shop
and gave the wiring a close look and once again, no sign of overheating.
Maybe I was just lucky but it would seem unusual to me for the manufacturers
of these appliances to have them engineered such that dangerous heat would
be generated in any type of installation - like U/L would not catch such a
problem?? >>
OK guys, back to Physics 101. A refrigerator operates by transferring heat
from the interior to the exterior by a complex process involving compression and
witchcraft. The exterior heat must be dissipated to the air. If you read the
instructions for the household refrigerators that many of us use, you will see
that ample space for air circulation must be provided. Unfortunately many of
us feel that witchcraft alone is sufficient and insist in enclosing our
refrigerators in attractive woodwork with the heat dissipation surfaces up against
flammable paneling. It is unlikely that the coils will get hot enough to ignite
the wood but the efficiency of heat transfer will be degraded and the
refrigerators will run forever.
The advice to provide plenty of ventilation and to use muffin fans to
circulate cooling air is sound. Your pocketbook will thank you and your beer will be
cold.
Larry Z
_______________________________________________
http://lists.samurai.com/mailman/listinfo/trawlers-and-trawlering
To Unsubscribe send email to
Include the word Unsubscribe (and nothing else) in the subject or body of the message.
