Heat Pumps and Electric Heating - Insulate both refrigerant lines?
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woody_pennsy
03-26-08, 03:17 PM
The answer may be obvious if I was real familiar with the operation of these systems, but would it be beneficial to insulate both refrigerant lines for a Heat Pump? On A/C we only had the return (large) line insulated, I believe. Thanks!
Jay11J
03-26-08, 05:01 PM
Just the large line is needed to be insulated.
woody_pennsy
03-26-08, 05:09 PM
Just the large line is needed to be insulated.
Thanks. So the refrigerant always goes the same direction through the indoor lines & coil with a HP?
Thanks. So the refrigerant always goes the same direction through the indoor lines & coil with a HP?
Jay11J
03-26-08, 05:55 PM
Thanks. So the refrigerant always goes the same direction through the indoor lines & coil with a HP?
In cooling mode, the cool gas is going back to the compressor, and the liquid is going from the outdoor unit to the coil inside.
In heating mode, then hot gas from the compressor is going to the coil inside, and small line liquid is going to the coil outside.
In cooling mode, the cool gas is going back to the compressor, and the liquid is going from the outdoor unit to the coil inside.
In heating mode, then hot gas from the compressor is going to the coil inside, and small line liquid is going to the coil outside.
Ed Imeduc
03-27-08, 09:54 AM
The large line has insulation on it because in the summer it will sweat on AC and you will have water all over where it runs. It also help on the heat side some. The small line wont on heat or AC so it dont need the insulation.;)
woody_pennsy
03-27-08, 10:07 AM
The large line has insulation on it because in the summer it will sweat on AC and you will have water all over where it runs. It also help on the heat side some. The small line wont on heat or AC so it dont need the insulation.;)
Ok, I appreciate the info. I assumed it was insulated for heat loss (rather than sweat prevention), as with hot water pipes.
Ok, I appreciate the info. I assumed it was insulated for heat loss (rather than sweat prevention), as with hot water pipes.
Ed Imeduc
03-27-08, 10:57 AM
Its all for the sweat that will come off that pipe in the summer.