Daikin R-22 Refrigerant Piping Design Manual page 12

Figure 7: Remote Evaporator Piping Detail
Figure 8: Suction Piping Details
Compressor Below Coil
AG 31-011 • REFRIGERANT PIPING DESIGN
Inverted trap
only required if
there are
evaporators
upstream
Trap to protect
TX valve
from liquid line
Compressor Above Coil
Slope in
direction of
refrigerant flow
Trap to protect
TX valve bulb
from liquid
refrigerant
Trap above
coil height not
required with
pumpdown
systems
Slope in
direction of
refrigerant flow
Slope in
direction of the
refrigerant flow
Compressor Above Coil
12
No inverted trap
required if
properly sloped
Slope in
direction of
refrigerant flow
Trap to protect
TX valve bulb
from liquid
refrigerant
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