Emerson 3000 installation manual DPN000207, Rev0

Split System Models

Figure 37 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

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Field-supplied 24V
NEC Class 2 wiring	Factory-wired
to fan/coil unit
	to components
	on electric panel

Optional factory-installed

Line voltage electric power disconnect switch supply conduit entrance

Single- or three-phase

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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
mod:				Rev0
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.

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