Liebert Challenger ITR - Manual (Page 53)

Split System Models
47
Figure 22 Electrical field connections, prop fan condensing module
NOTE: Refer to specification sheet for full load amp
and wire size amp ratings. SL-11081 PG 8
Factory-wired
to components on
electric panel.
Heat rejection connection. Field-
supplied 24V NEC class 2 wiring.
Wire connections from evaporator module:
1. 24V GND
2. 24V Supply
3 High Pressure Alarm
4. Hot Gas Bypass Connection
(only on units with hot gas bypass.
If no hot gas bypass, connection is
provided in the evaporator module.
Connect wire 4 with wire 2 to the
24V supply).
Electric service
connection to contactor
or terminal block
Single- or 3-phase
electric service; not
by Liebert
High voltage electric
power supply entrance
Low voltage electric
power supply entrance
Earth ground connection
terminal for field wiring.
SL-11081PG 8A
TOP AIR
DISCHARGE MODELS
(23 & 33kW High Ambient
and 23 & 33kW Quiet-Line)
HORIZONTAL AIR DISCHARGE MODELS
Single- or
3-phase
electric
service; not
by Liebert
Field-supplied 24V NEC
Class 2 wiring to
evaporator module
Single- or
3-phase
electric
service;
not by Liebert
Field-supplied unit
disconnect switch
Field-supplied 24V
NEC Class 2 wiring
to evaporator
module