Liebert 3000 Refrigerator User Manual


 
Split System Models
51
Figure 24 Electrical field connections, prop fan condensing module
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.
NOTE: Refer to specification sheet for full load amp
and wire size amp ratings
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