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Posted by nucleus on July 4, 2009, 10:46 am
the simple symptom is inadequate cooling.
the details are:
1. the refrigerator is a 12 year old kenmore top freezer model with
R134a system
2. just installed a new compressor and drier, my thanks to HVAC tech
for brazing in
3. i triple evacuated and then charged with 4.0 ounces R134a, which
was amount on sticker inside refrigerator
4. process stub has service port and new drier has service port, not
piercing valves
5. ambient air temp over clean condenser coils 87 F
6. lo pres at process stub 3 psig
7. hi pres at drier inlet 185 psig
8. evap inlet temp is 30 F
9. evap outlet temp is 67 F
10. compressor outlet feels hot, drier feels hot, compressor suction
feels warm
11. with evap cover off, only two of ten evap loops are frosting
12. condenser fan and evap fan are running
13. defrost timer and defrost heater are off, during the above
readings
14. no problem with door seals
do i have a plugged line somewhere?
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Posted by Stormin Mormon on July 4, 2009, 5:17 pm
At this point, I'm thinking either dirty condensor, or maybe
needs another ounce of non-freon.
--
Christopher A. Young
Learn more about Jesus
www.lds.org
.
the simple symptom is inadequate cooling.
the details are:
1. the refrigerator is a 12 year old kenmore top freezer
model with
R134a system
2. just installed a new compressor and drier, my thanks to
HVAC tech
for brazing in
3. i triple evacuated and then charged with 4.0 ounces
R134a, which
was amount on sticker inside refrigerator
4. process stub has service port and new drier has service
port, not
piercing valves
5. ambient air temp over clean condenser coils 87 F
6. lo pres at process stub 3 psig
7. hi pres at drier inlet 185 psig
8. evap inlet temp is 30 F
9. evap outlet temp is 67 F
10. compressor outlet feels hot, drier feels hot, compressor
suction
feels warm
11. with evap cover off, only two of ten evap loops are
frosting
12. condenser fan and evap fan are running
13. defrost timer and defrost heater are off, during the
above
readings
14. no problem with door seals
do i have a plugged line somewhere?
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Posted by Zyp on July 4, 2009, 5:54 pm
nucleus wrote:
> the simple symptom is inadequate cooling.
> the details are:
> 1. the refrigerator is a 12 year old kenmore top freezer model with
> R134a system
> 2. just installed a new compressor and drier, my thanks to HVAC tech
> for brazing in
> 3. i triple evacuated and then charged with 4.0 ounces R134a, which
> was amount on sticker inside refrigerator
> 4. process stub has service port and new drier has service port, not
> piercing valves
> 5. ambient air temp over clean condenser coils 87 F
> 6. lo pres at process stub 3 psig
> 7. hi pres at drier inlet 185 psig
> 8. evap inlet temp is 30 F
> 9. evap outlet temp is 67 F
> 10. compressor outlet feels hot, drier feels hot, compressor suction
> feels warm
> 11. with evap cover off, only two of ten evap loops are frosting
> 12. condenser fan and evap fan are running
> 13. defrost timer and defrost heater are off, during the above
> readings
> 14. no problem with door seals
> do i have a plugged line somewhere?
Fairly simple:
You installed a new filter drier. Is it the same as the one you pulled out?
The "Factory" charge includes "Factory components." If your replacement
filter drier is 'larger' you'll need to compensate by adding a few more
ounces. On the original package for your replacement drier there may have
been a chart for how much liquid refrigerant the drier holds. You may need
to add more refrigerant.
--
Zyp
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Posted by nucleus on July 4, 2009, 7:45 pm
drier is same size as original. condenser coils are clean (see
#5). what is "normal" hi pressure for refrigerators? is my
hi pres too high for my ambient temp?
> nucleus wrote:
> > the simple symptom is inadequate cooling.
> > the details are:
> > 1. the refrigerator is a 12 year old kenmore top freezer model with
> > R134a system
> > 2. just installed a new compressor and drier, my thanks to HVAC tech
> > for brazing in
> > 3. i triple evacuated and then charged with 4.0 ounces R134a, which
> > was amount on sticker inside refrigerator
> > 4. process stub has service port and new drier has service port, not
> > piercing valves
> > 5. ambient air temp over clean condenser coils 87 F
> > 6. lo pres at process stub 3 psig
> > 7. hi pres at drier inlet 185 psig
> > 8. evap inlet temp is 30 F
> > 9. evap outlet temp is 67 F
> > 10. compressor outlet feels hot, drier feels hot, compressor suction
> > feels warm
> > 11. with evap cover off, only two of ten evap loops are frosting
> > 12. condenser fan and evap fan are running
> > 13. defrost timer and defrost heater are off, during the above
> > readings
> > 14. no problem with door seals
> > do i have a plugged line somewhere?
> Fairly simple:
> You installed a new filter drier. =A0Is it the same as the one you pulled=
out?
> The "Factory" charge includes "Factory components." =A0If your replacemen=
t
> filter drier is 'larger' you'll need to compensate by adding a few more
> ounces. =A0On the original package for your replacement drier there may h=
ave
> been a chart for how much liquid refrigerant the drier holds. =A0You may =
need
> to add more refrigerant.
> --
> Zyp- Hide quoted text -
> - Show quoted text -
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Posted by Stormin Mormon on July 4, 2009, 10:59 pm
High pressure depends on the heat load, and also the room
temp. 185 is on the high end of the normal range.
Give it another ounce of freon, and let us know what
happens.
--
Christopher A. Young
Learn more about Jesus
www.lds.org
.
drier is same size as original. condenser coils are clean
(see
#5). what is "normal" hi pressure for refrigerators? is my
hi pres too high for my ambient temp?
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> the details are:
> 1. the refrigerator is a 12 year old kenmore top freezer model with
> R134a system
> 2. just installed a new compressor and drier, my thanks to HVAC tech
> for brazing in
> 3. i triple evacuated and then charged with 4.0 ounces R134a, which
> was amount on sticker inside refrigerator
> 4. process stub has service port and new drier has service port, not
> piercing valves
> 5. ambient air temp over clean condenser coils 87 F
> 6. lo pres at process stub 3 psig
> 7. hi pres at drier inlet 185 psig
> 8. evap inlet temp is 30 F
> 9. evap outlet temp is 67 F
> 10. compressor outlet feels hot, drier feels hot, compressor suction
> feels warm
> 11. with evap cover off, only two of ten evap loops are frosting
> 12. condenser fan and evap fan are running
> 13. defrost timer and defrost heater are off, during the above
> readings
> 14. no problem with door seals
> do i have a plugged line somewhere?