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Figure 37 3-ton centrifugal air-cooled condensing unit (con't.)
DPN000207
Rev0
Single- or three-phase
electric service
not by Liebert
Optional factory-installed
disconnect switch
Factory-wired
to components
on electric panel
Line voltage electric power
supply conduit entrance
Field-supplied 24V
NEC Class 2 wiring
to fan/coil unit
Single- or three-phase
electric service
not by Liebert
Field-supplied unit disconnect
switch when optional disconnect
is not provided in unit
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.
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 GA (1.6mm) for up to 75' (23m)
or not to exceed 1 volt drop in control line.
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)