Emerson 3000 Manuel D’Utilisation
Glycol/GLYCOOL-Cooled Models—Self-Contained Compressor
Liebert
®
Challenger 3000
™
50
Figure 25 General arrangement—Glycol-cooled models with scroll compressor
Glycol
Pump
Pump
Pump
Housing
Housing
Unions*
Isolation
Valves*
Valves*
Expansion
Valve
Valve
Drycooler
Electric Box
Electric Box
Drycooler
Coil
Coil
Fluid
Return
to Pump
Return
to Pump
Fluid
Supply
from
Pump
Supply
from
Pump
Unions*
Field-Supplied
Reducers Required
on 3-Ton Units
Reducers Required
on 3-Ton Units
Fill*
Expansion Tank Field-Installed at
Highest Point in System
Highest Point in System
Expansion
Port*
Port*
Air Vents*
at Top of
Risers
at Top of
Risers
Hose
Bibs*
Bibs*
Flow Regulating
Valve*
Valve*
Pressure
Port*
Port*
Sight
Glass
Glass
Filter
Dryer
Dryer
Evaporator
Coil
Coil
Sensing
Bulb
Bulb
External
Equalizers
Equalizers
Hot Gas
Bypass
Valve
Bypass
Valve
Scroll
Compressor
Compressor
Service
Valves
Valves
Hot Gas
Bypass
Solenoid
Valve
Bypass
Solenoid
Valve
Hot Gas
Bypass
Bypass
Tube
in Tube
Condenser
in Tube
Condenser
Tube
in Tube
Condenser
in Tube
Condenser
Bypass
Valve
Valve
2-Way Water
Regulating
Valve
Regulating
Valve
Fluid
Return
from
Unit
Return
from
Unit
Fluid
Supply
to Unit
Supply
to Unit
Fluid
Return
from
Unit
Return
from
Unit
Fluid
Supply
to Unit
Supply
to Unit
Isolation
Valves*
Valves*
Hose
Bibs*
Bibs*
3-Way Water
Regulating Valve
(optional)
Regulating Valve
(optional)
FACTORY PIPING
FIELD PIPING
*Components are not
supplied by Liebert but
are recommended for
proper circuit operation
and maintenance
supplied by Liebert but
are recommended for
proper circuit operation
and maintenance
DPN000361
Rev. 2
Rev. 2