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Emerson 3000 User Manual

Page 55

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Glycol/GLYCOOL-Cooled Models—Self-Contained Compressor

49

Figure 25 General arrangement—Glycol-cooled models with scroll compressor

Glycol
Pump

Pump
Housing

Unions*

Isolation
Valves*

Expansion
Valve

Drycooler
Electric Box

Drycooler
Coil

Fluid
Return
to Pump

Fluid
Supply
from
Pump

Unions*

Field-Supplied
Reducers Required
on 3-Ton Units

Fill*

Expansion Tank Field-Installed at
Highest Point in System

Expansion
Port*

Air Vents*
at Top of
Risers

Hose
Bibs*

Flow Regulating
Valve*

Pressure
Port*

Sight
Glass

Filter
Dryer

Evaporator
Coil

Sensing
Bulb

External
Equalizers

Hot Gas
Bypass
Valve

Scroll
Compressor

Service
Valves

Hot Gas
Bypass
Solenoid
Valve

Hot Gas
Bypass

Tube
in Tube
Condenser

Tube
in Tube
Condenser

Bypass
Valve

2-Way Water
Regulating
Valve

Fluid
Return
from
Unit

Fluid
Supply
to Unit

Fluid
Return
from
Unit

Fluid
Supply
to Unit

Isolation
Valves*

Hose
Bibs*

3-Way Water
Regulating Valve
(optional)

FACTORY PIPING

FIELD PIPING

*Components are not
supplied by Liebert but
are recommended for
proper circuit operation
and maintenance

DPN000361
Rev. 02