SECTION 3 - HANDLING, STORAGE, AND INSTALLATION
PACE
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Installation & Assembly Manual
Issue Date: 07/03/2018
102
Form PA102.20-N1
Figure 165 -
Typical Piping and Sundries at the DX Coil
LD05171a
Insulated hot gas line from
condensing unit pitch 1/2" per 10'
in direction of flow
Must rise to the top of the coil and
be high enough to slope to the
compressors to facilitate oil return to
the compressors.
Check
Valves
Sight Glass
Thermal
Expansion Valve
Sporlan Asc
Hot Gas
Fitting
Sight Glass
Sporlan Asc
Hot Gas
Fitting
Thermal Expansion Valve
Txv Equalizer
Line
Suction Line
Suction Line
Txv Equalizer
Line
1-7/8"
45°
Ball Value
Liquid Line
Drier
Liquid Line
Solenoid Valve
Liquid Line From
Condensing Unit
To insulate suction line condensing unit
pitch 1/2" per 10' in direction of flow
Mount thermal expansion valve bulb on side of
horizontal run of suction line as shown. Insulate bulb
/ line after clamping bulb to line.
Construct suction line P-trap from street fittings to
maintain minimum trap volume.
Figure 166 -
DX Coil Circuiting Types
LD03319b
Face Split
Row Split
Interlaced
Legend Refrigerant In
Refrigerant Out Warm Air Cold Air
