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leaving fridge on
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TURTLE
Posts: n/a
leaving fridge on
wrote:
RP wrote:
So subfreezing condenser air might hurt the compressor, and controlling
the fan duty cycle to keep the hot coil above freezing might avoid that?
It might, that is, if you could insulate the coil from the ambient
environment during the off cycle.
With little mass and no fan, it might heat up fast...
At 100 W, 10 Btu/F would warm 35 F in 1 hour, so maybe we need insulation
and/or heat...
You have to count the compressor mass, and take into account that the
cycle will be extremely short given the low load condition due to
subfreezing ambient around the box.
Less energy use sounds good to me :-)
Here's my suggestion: turn it off, take the food with you
Somebody is
likely to break in and eat it anyway while the cabin is unoccupied for
long periods.
My poor friend just wants to keep ice cream in her full-time 50 F house,
not to become homeless :-) When I kept my old stone kitchen at 36 F,
the fridge seldom ran but the frozen food tended to thaw. OTOH, leaving
the carton of milk out on the counter overnight wasn't a problem.
Refrigerators take awhile to stabilize running pressures, so starting with
a subfreezing condenser coil might mean that the cycle finishes before the
head control even has a chance to takes control...
Is that bad, or just a transient self-correcting condition?
Nick
This is Turtle.
Let me pass this this one by you.
take this refrigerator and have it running in zero f temp and the
refrigerator or coil is at 35 degree f inside and out side is zero
degree f then then the refrigerator does not cycle back on for all nite
and part of the next day and for some reason the refrigerator temp gets
up to set point and turns on with it being at this condition for 24
hours.
All the feon will go to the coldest point of the system and all the
freon will be in the compressor for refrigerators don't have compressor
heaters at all. alleon will be in the compressor mixesd with the oil
when it comes on.
Try this thought out on a refrigerator only and no high fangle
refrigeration system. What would happen.
TURTLE
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