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AIR COOLED PIPING SCHEMATIC
COOLPHASE CDU
DPN001040_REV6
REV : B
REV : 08/2024
LIEBERT® MCV WITHOUT RECEIVER MOUNTED ABOVE XDM300
CIRCUIT 1
CIRCUIT 2
Liebert® MCV Condenser
Unit
Liebert® EconoPhase
Unit
Field Piping
Liquid
Return
2
XDM300
54 7/8"
1393mm
Ref.
Notes:
1. Single refrigerant circuit shown for clarity, for XDM300 units refrigerant connections
are typical.
2. The bottom of the condenser coil must be less than 60' (18.3m) above the elevation of the
EEVs inside the indoor unit.
3. Unit must be trapped at bottom of riser with any rise over 5 feet (1.5m) high. If rise exceeds
25 feet (7.5m), then a trap is required in 20 foot (6.1m) increments or evenly divided.
4. Pitch horizontal hot gas piping at a minimum of ½ inch per 10 feet (42mm per 10m) so that gravity
will aid in moving oil in the direction of the refrigeration flow.
5. All indoor and outdoor field refrigerant piping must be insulated, ½ inch minimum. All outdoor
insulation must be UV and ozone resistant.
6. Consult factory for any exceptions to the above guidelines.
2
Hot Gas
Discharge
Hot Gas
Discharge
Liquid
Return
XDM300
Maximum Vertical
Rise
Internal EEV
Height
H
60'
(18.3m)
Internal EEV Height H inch (mm)
XDM300 62 (1575)
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