Liebert Challenger ITR - Manual (Page 57)

Split System Models
51
Figure 25 Centrifugal air-cooled condensing unit dimensional data (con't.)
DPN000226
Rev. 0
Field-supplied unit disconnect
switch when factory unit
disconnect switch is not supplied.
Electric service
not by Emerson
Optional factory-installed
disconnect switch
Line voltage electric power
supply conduit voltage
Connection terminal
for field supplied earth
grounding wire
Removable access panels
AIR COOLED
Field-supplied 24V NEC
Class 2 wiring
between condensing
unit and fan/coil unit Low voltage electric power
supply conduit entrance
Heat rejection connection. Field-supplied
24V NEC Class 2 wiring. See Note 2.
Wire connections from evaporator module.
1. 24V GND
2. 24V supply
3. High pressure alarm (optional)
4. Hot gas bypass connection (only on
units with hot gas bypass)
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.