CONNECTING REFRIGERANT PIPING LINES
INSTRUCTIONS OF CONNECTIING REFRIGERANT PIPING LINES
When making a bend, the installer cuts
insulation and slides it away from the bend
area. Using a tube bender
makes the bend
and then the insulation is replaced gluing it
together.
When there is excessive tubing, it must be
coiled horizontally so that the flow of
refrigerant is from the top to bottom of the
coil and towards the outdoor unit.
The excessive tubing must not be coiled
vertically since the vertical coil affects the
oil return to the compressor.
Avoid disconnecting refrigerant piping
connections after they have been tightened
to avoid refrigerant leaks.
Underground Installation
Outdoor Unit Top Discharge
Use PVC piping as a conduit for all
underground installations.
Buried lines should be kept as short as
possible to minimize the build-up of liquid
refrigerant in the suction line during long
periods of shutdown.
must be coiled
horizontally
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