Field-supplied 24V NEC Class 1 wiring between glycol condensing unit and drycooler
DPN000228_Rev0

Split System Models

Figure 44 5-ton water/glycol-cooled condensing unit (con't.)

Field-supplied unit disconnect switch when factory unit disconnect switch is not suplied

WATER/GLYCOL

Optional factory-installed disconnect switch

Field-supplied 24V NEC Class 1 wiring to fan/coil unit

Field-supplied 24V NEC Class 1 wiring to drycooler (glycol-cooled units only)

Removable

Access Panel

Electric service;

not by Liebert

Line voltage electric

power supply conduit voltage

Heat rejection connection. Field-supplied 24V NEC Class 2 wiring. Wire connections from evaporator mod:

1.24V ground

2.24V supply

3.High pressure alarm (optional)

4.Hot gas bypass connection

(only on units with hot gas bypass)

Remote drycooler connection; field-supplied 24V NEC Class 1 wiring (glycol-cooled units only)

Connection terminal for field-supplied earth grounding wire

Low-voltage electric power supply conduit entrance

NOTES

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

2.Control voltage wiring must be a minimum of 16 G A (1.6mm) for up to 75' (23m) or not to exceed 1 volt drop in control line.

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Image 82
Emerson 3000 installation manual Water/Glycol

3000 specifications

The Emerson 3000 is a cutting-edge control system designed to enhance the efficiency, reliability, and precision of industrial operations. Employed across various sectors such as oil and gas, pharmaceutical, food and beverage, and power generation, the Emerson 3000 has gained recognition for its robustness and versatility.

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