Emerson 3000 User Manual

Page of 88
Split System Models
Liebert
®
 Challenger 3000
66
Figure 34 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-11081
Pg. 8A
TOP AIR 
DISCHARGE MODELS
(5-Ton High Ambient 
& 5-Ton 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