Liebert DS User Manual

PARADENSER®

CONDENSER

DRYCOOLER

(Glycol)

EXPANSION

TANK**

GLYCOL

PUMPS

Aquastat
Sensing
Bulb

Pressure
Port*

Hose
Bib*

Shut-Off Valve*

Shut-Off Valve*

Optional Dual Pump System shown

Air Vents
(typical)***

Check Valves*
(on Dual Pimp
Systems only)

Gate Valves*

Pressure Port*

Flow Switch
Supplied with Dual
Pump Systems
Flow-Regulating
Valve*

RETURN

SUPPLY

Shut-Off Valve*

Hose
Bib*

3-Way
Chilled Glycol
Valve

Thermistor

3-Way
Motorized
Ball Valve

From
iCOM
Control

To
iCOM
Control

Shut-Off Valve*

Hose
Bib*

RETURN

SUPPLY

FACTORY PIPING
FIELD PIPING

SERVICE / SCHRADER (ACCESS) CONNECTION NO VALVE CORE

SERVICE / SCHRADER (ACCESS) CONNECTION WITH VALVE CORE

*    Components are not supplied by
      Liebert but are recommended for
      proper circuit operation and
      maintenance
**   Field installed at highest point in
      system on return line to pumps
***  Locate at tops of all risers and
      any intermediate system high points

NOTE: SCHEMATIC REPRESENTATION SHOWN. THIS SCHEMATIC DOES NOT IMPLY OR DEFINE ELEVATIONS AND
            COMPONENT LOCATION, UNLESS SPECIFICALLY NOTED.

LIQUID

28-42kW Digital Solenoid Valve

53-70kW Digital
Solenoid Valve

Service
Valve
Check
Valve COMPRESSOR

DISCHARGE

SUCTION

EVAPORATOR

COIL

External
Equalizer

Expansion
Valve

Solenoid
Valve

Sight
Glass

Filter Drier

Relief valve(s) supplied
with 50 Hz EU CE units rated
maximum 480 PSIG (33 Bar).

Pressure
Transducer

NOTE: TWO REFRIGERATION CIRCUITS PROVIDED
             SINGLE REFRIGERATION CIRCUIT SHOWN FOR CLARITY.

TO SECOND

REFRIGERATION

CIRCUIT

Sensing Bulb

ECON-O-COIL

DPN001432
Rev. 0