Installation manual

Glycol Cooled/GLYCOOL™ Models
47
Figure 31 GLYCOOL
™
general arrangement
* Components are not supplied by Liebert
but are recommended for proper circuit
operation and maintenance
Factory Piping
Optional Piping
Field Piping
Glycol Coolant
Circuit
(one required
per unit)
3-Way Glycol
Regulating
Valve
Air Vents*
at top of
risers
Expansion Tank
field-installed at
highest point in
system
Hose
Bibs*
Hose Bibs*
Fill*
Unions*
Gate Valves*
Optional Dual
Pump System
Shown
Pump
Housing
Check Valves * (dual
pump systems only)
Pressure
Ports*
Shutoff
Valves*
Valve
Actuator
Filter
Dryer
Evaporator
Coil
Hot Gas
Reheat
Coil
(optional)
Hot Gas
Bypass
(optional)
Hot Gas
Bypass
Valve
Expansion
Valve
Solenoid
Valves
Sight
Glass
3-Way
Chilled
Glycol
Valve
Drycooler Coil
Drycooler
Electric Box
Glycol
Pumps
Econ-O-Coil
Econ-O-Cycle
Comparator
Flow
Regulating
Valve*
Econ-O-Coil
Circuit
(one supplied
per unit)
Liquid
Return
Muffler
Condenser
3-Way Glycol
Regulating
Valve (optional)
Shutoff
Valve
Relief
Valve
External
Equalizers
Sensing
Bulb
Compressor
Service
Valves
Cylinder
Unloader
(optional)
Check
Valve
Solenoid Valve
provided with
optional hot
gas reheat
To 2nd
refrigeration unit
Flow Switch
supplied with
dual pump
systems
Aquastat
Sensing
Bulbs
Fluid
Return
from Unit
Fluid
Supply
to Unit
Fluid Supply
from Pump
Fluid
Return
to Pump
DPN000579 Rev0
DISCONTINUED
PRODUC T