Search found 7 matches

by opey456
Tue Apr 29, 2008 9:00 pm
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

RE: Low Suction Pressure

Also forgot to write the model number of the A Coil down when i had it pulled but i do remember it being a 60,000 BTU coil.


The MH is a 99 model. the first compressor lasted 7 years but the owner said it never really cooled great.
by opey456
Tue Apr 29, 2008 8:50 pm
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

RE: Low Suction Pressure

The MH is roughly 2100 SF. .The blower motor is a 3/4 HP 1075 RPM . But i the blower wheel size is 10 in DIA. and 8 inches wide. I looked on your site and it said for an electric furnace it should be 12x8 but that was for electric heat .But that should be the same size for gas furnace because it is ...
by opey456
Tue Apr 29, 2008 7:03 am
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

RE: Low Suction Pressure

Went back yesterday afternoon checked all the duct work to make sure it was clean and all of it was even crossover pipe.Then unsweated the suction manifold from the evap. coil and blew back nitrogen through each cap tube and each one blew through fine. Replaced manifold evacuated system weighed in t...
by opey456
Mon Apr 28, 2008 7:04 am
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

RE: Low Suction Pressure

I replaced the compressor due to it blowing the terminals out.After starting the new compressor up is when the suction pressure would not rise.The reason the last compressor blowed the terminals could be due to the last guy leaving it that way the homeowner said that it kept freezing up after he lef...
by opey456
Sun Apr 27, 2008 11:03 am
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

RE: Low Suction Pressure

I commend you for seeking help, just wish you had done so sooner, but better late than never This is my first time working on this unit i cannot help what the installer and/or previous techs did by apparently not keeping the copper clean and leaving the previous 2 compressors running with those pres...
by opey456
Sun Apr 27, 2008 10:57 am
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

RE: Low Suction Pressure

Well I'm sorry to think the coil is bad but i have already gone over the line set inch by inch thinking it was kinked somewhere.I also did recover the refrigerant and blow dry nitrogen through the system both ways. I then evacuated the system to 400 microns charged the system and had the same thing....
by opey456
Sat Apr 26, 2008 5:34 pm
Forum: Coleman Service & Repair
Topic: Low Suction Pressure
Replies: 15
Views: 7908

Low Suction Pressure

I recently replaced the compressor in a unit for a customer. This is the third compressor in 3 years for this customer. This is the first time I have replaced it, other companies replaced the previous 2. After starting the compressor, the suction pressure would not rise above 60. The temperature ins...