Emerson 3000 User Manual

Page of 88
Glycol/GLYCOOL-Cooled Models—Self-Contained Compressor
51
Liebert
®
 Challenger 3000
Figure 26 General arrangement—Glycol-cooled models with digital scroll
Digital
Solenoid
Valve
Glycol
Pump
Housing
Unions*
Isolation
Valves*
Expansion
Valve
Drycooler
Electric
Box 
Drycooler
Coil
Fluid
Return
to Pump
Fluid Supply
from Pump
Unions*
Fill*
Expansion Tank Field-Installed at
Highest Point in System.
Expansion
Port*
Air Vents*
at Top of
Risers
Flow Regulating
Valve*
Pressure
Port*
Sight
Glass
Filter
Dryer
Evaporator
Coil
Sensing
Bulb
External
Equalizer
Digital
Compressor
Service
Valves
Tube
in Tube
Condenser
Tube
in Tube
Condenser
2-Way
Motorized
Ball Valve
Fluid
Return
from
Unit
Fluid
Supply
to Unit
Isolation
Valves*
Hose
Bibs*
Hose
Bibs*
Hose
Bibs*
Fluid
Supply
to Unit 
Fluid
Return
From
Unit
3-Way
Motorized
Ball Valve
(optional)
FACTORY PIPING
*Components are not supplied by Liebert but
are recommended for proper circuit operation
and maintenance.
FIELD PIPING
DPN001722
Rev. 0
Field-Supplied
Reducers
Required on 3
Ton Units
To iCOM Control
To iCOM Control
Pump