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LIEBERT® OUTDOOR 

CONTROL ENCLOSURE™

Quick Installation Guide

590-1734-501A/SL-10060_REV5_9-17

   

 1

The Liebert Outdoor Control 

Enclosure is a NEMA 3R rated 

enclosure that mounts on Liebert 

condensers or drycoolers and 

provides control for one or more 

pumps and/or fan motors.

INSTALLING 

THE ENCLOSURE

WARNING:

 Arc flash and 

electric shock hazard. Open all 

local and remote electric power-

supply disconnect switches, verify 

with a voltmeter that power is off 

and wear appropriate OSHA-

approved personal protective 

equipment per NFPA 70E before 

working within the electric control 

enclosure.
Installer must provide a remote, 

electric-power disconnect switch 

and earth ground to unit per NEC, 

CEC and local codes as applicable. 

Failure to comply can cause injury 

or death.

NOTICE:

 Risk of water leaks. Can 

cause equipment damage.

NOTE:

 To flush-mount the back of 

the enclosure, the adjustable 

brackets can be inverted. Refer to 

the “Dimensions” drawings on the 

following page.

NOTE:

 Alternate mounting 

locations are on a secure wall or 

building surface.

Use the provided mounting 

brackets to attach the enclosure to 

a Liebert condenser or drycooler. 

•  Tighten the bracket fasteners 

to maintain the weather rating 

of the enclosure.

•  Ensure that the field wiring 

knockouts are facing down, and 

the enclosure cover is vertical.

•  Ensure that the bolts securing 

the enclosure cover are in place 

and tightened securely when 

the installation is complete.

Outward-facing 

Bracket 

Orientation

Inward-facing 

Bracket 

Orientation

Summary of Contents for Liebert

Page 1: ...witch and earth ground to unit per NEC CEC and local codes as applicable Failure to comply can cause injury or death NOTICE Risk of water leaks Can cause equipment damage NOTE To flush mount the back of the enclosure the adjustable brackets can be inverted Refer to the Dimensions drawings on the following page NOTE Alternate mounting locations are on a secure wall or building surface Use the provi...

Page 2: ...t have to be the same voltage as the Liebert indoor unit This separate power source may be 110V 208V 230V 460V or 575V single phase or three phase 60Hz or it may be 200V 230V 380V or 415V single phase or three phase 50 Hz as appropriate Extra low voltage Control Wiring Control interlock between the control enclosure and the indoor unit s or other source s is required Multiple indoor units may be c...

Page 3: ...ll for cooling the compressor contactor and or the Econ O Coil relay in the Liebert unit is energized The relay and contactor are in the Liebert indoor evaporator section Each compressor contactor has a side switch wired in parallel with the Econ O Coil relay and is responsible for closure of the low voltage pump control circuit This low voltage circuit has a series of contactors relays selector s...

Page 4: ...missions Specifications are subject to change without notice LIEBERT OUTDOOR CONTROL ENCLOSURE Quick Installation Guide 4 1734 501A SL 10060_REV5_9 17 TECHNICAL SUPPORT AND SERVICE Vertiv Services Inc 24x7 dispatch of technicians for all products 1 800 543 2378 Liebert Thermal Management Products 1 800 543 2778 Liebert Channel Products 1 800 222 5877 Liebert AC and DC Power Products 1 800 543 2378...

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