Emerson Liebert DS Precision Cooling System 28-105kW Manuel D’Utilisation

When the unit is delivered, inspect all items for visible and concealed damage. Report any damage to 

the carrier immediately and a file a damage claim. Send a copy of the damage claim to Emerson 

Network Power or to your sales representative.

Risk of top-heavy unit falling over. Improper handling can cause equipment damage, injury or 

death.
Read all of the following instructions before attempting to move, lift, remove packaging from 

or preparing unit for installation.

Risk of sharp edges, splinters and exposed fasteners. Can cause personal injury.
Only properly trained and qualified personnel wearing appropriate safety headgear, gloves, 

shoes and glasses should attempt to move, lift, remove packaging from or prepare this unit for 

installation.

DPN001333
Rev. 0

Outside Air Duct
(by others)

Outside Opening with
Louvers, Screen and Bars
to prevent precipitation,
vermin and human entry
(by others)

Liebert
Unit
(Front)

Plenum

Room

Return

Air

Outside
Air Entry

Size collar according
to cooling unit opening

Return Air Sensors
(Field-installed
above damper)

Supply Air Limit Thermistor
(Field-installed under floor)

Outdoor Air Sensor
(Field-installed inside duct;
labeled “Outdoor” Sensor)

Filter
(by others)

Powered Outdoor
Relief Opening
(by others)

Room Relief Air
Discharge (sized and
provided by others)

Relief Air