Figure 26 General Arrangement-Glycol-Cooled Models With Digital Scroll - Emerson Liebert Challenger 3000 Installation Manual

Figure 26 General arrangement—Glycol-cooled models with digital scroll
Expansion Tank Field-Installed at
Highest Point in System.
Fill*
Expansion
Port*
Hose
Bibs*
Air Vents*
at Top of
Pressure
Risers
Port*
Fluid
Supply
to Unit
Fluid
Return
from
Isolation
Unit
Valves*
Hose
Bibs*
Hose
Bibs*
Drycooler
Electric
Drycooler
Box
Coil
Fluid
Return
to Pump
Unions*
Fluid Supply
from Pump
Flow Regulating
Valve*
Filter
Dryer
FACTORY PIPING
FIELD PIPING
*Components are not supplied by Liebert but
are recommended for proper circuit operation
and maintenance.
Glycol/GLYCOOL-Cooled Models—Self-Contained Compressor
Glycol
Pump
Unions*
Isolation
Valves*
Expansion
Valve
Sight
External
Glass
Equalizer
Digital
Compressor
Service
Valves
To iCOM Control
2-Way
Motorized
Ball Valve
Fluid
Supply
to Unit
Fluid
Return
From
Unit
50
Pump
Housing
Evaporator
Coil
Sensing
Bulb
Digital
Solenoid
Valve
Tube
in Tube
Condenser
Tube
in Tube
Condenser
To iCOM Control
3-Way
Motorized
Ball Valve
(optional)
Field-Supplied
Reducers
Required on 3
Ton Units
DPN001722
Rev. 0