Split System Models

Figure 27 3 ton centrifugal air cooled condensing unit (con't.)

Field-supplied unit disconnect switch when optional disconnect is not provided in unit

Single- or three-phase electric service

not by Liebert

Field-supplied 24V NEC Class 2 wiring to fan/coil unit

 

Optional factory-installed

 

disconnect switch

 

Factory-wired

Line voltage electric power

to components

on electric panel

supply conduit entrance

 

Single- or three-phase electric service

not by Liebert

Connection terminal for field-supplied grounding wire

Low-voltage electric power supply entrance

Heat rejection connection.

Field-supplied 24V NEC

Class 2 wiring. See NOTE 2.

Wire connections from evaporator

 

DPN000207_Rev0

mod:

 

1.

24V ground

 

 

2.

24V supply

NOTES:

3.

High-pressure alarm (optional)

4.

Hot gas bypass connection

1.

Refer to specification sheet for full load amp. and wire size amp. ratings.

 

(only on units with hot gas

2.

Control voltage wiring must be a minimum of 16 GA (1.6mm) for up to 75' (23m)

 

bypass)

 

or not to exceed 1 volt drop in control line.

56

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Image 62
Liebert 3000 installation manual DPN000207Rev0, Ton centrifugal air cooled condensing unit

3000 specifications

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