Liebert PX018 Installer's/User's Manual page 115

LIEBERT PDX UNIT
(and associated piping)
LIQUID
Digital Solenoid Valve
Service
Valve
Service
Check
Valve
COMPRESSOR
Valve
DISCHARGE
Filter Drier
Sight
Expansion
Glass
Valve
FACTORY PIPING
FIELD PIPING
Notes:
1. Schematic representation shown. Do not use for specific connection locations.
2. Install a 20 mesh strainer, in an easily accessible location, on the water/glycol supply to prevent particles from entering the heat exchanger. Strainer bypass valves are recommended
to allow the strainer to be cleaned while maintaing flow to the cooling unit.
3. Components are not supplied by Liebert.
4. Field installed at highest point in system on return line to pumps.
5. Locate at tops of all risers and any intermediate system high points.
6. Components are Liebert supplied and field installed, and are required for proper circuit operation and maintenance.
7. Component are not supplied by Liebert but are recommended for proper circuit operation and maintenance.
DPN002932
Page :1 /1
LIEBERT PDX
PIPING SCHEMATIC
GLYCOOL™ MODELS
LIEBERT
HEAT REJECTION
DRYCOOLER
(Glycol)
ECON-O-COIL
Sensing Bulb
EVAPORATOR
COIL
SUCTION
External
Equalizer
Pressure
Transducer
SERVICE / SCHRADER (ACCESS) CONNECTION NO VALVE CORE
SERVICE / SCHRADER (ACCESS) CONNECTION WITH VALVE CORE
EXPANSION
TANK
4
Aquastat
Sensing
Bulbs
3
Hose
Shut-Off Valve
Bib
Shut-Off Valve
3-Way
Chilled Glycol
Valve
Thermistor
3-Way
Motorized
Ball Valve
HEAT
EXCHANGER
Optional Dual Pump System shown
GLYCOL
PUMPS
3
Pressure
Port
Air Vents
5
3
(typical)
3
RETURN
RETURN
Shut-Off Valve
3
Hose
Bib
3
REV DATE : 12/16
3
Check Valves
(on Dual Pump
Systems only)
Gate Valves
3
3
Pressure Port
Flow Switch
Supplied with Dual Pump
Systems
Flow-Regulating
Valve
3
SUPPLY
SUPPLY
Hose
3
Bib
Shut-off Valve
(3) Places
7
Y-StraineR
6
From
iCOM
Control
To
iCOM
Control
REV : 3