Site Preparation and Installation
Figure 15 Electrical field connections - outdoor condensing unit
Field supplied unit disconnect switch.
Electric service connection
to contactor
or terminal block.
Single or three phase electric service not provided 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.
Single or three phase electric service not provided by Liebert.
Field supplied 24V NEC class 2 wiring to evaporator module.
Factory wired
to components on electric panel.
Heatrejection connection.Field supplied 24V NEC class 2 wiring.
Wire connections from evaporator module:
124V GND System 1
224V Supply System 1
3High Pressure Alarm System 1
4Hot Gas Bypass Connection System 1 (only on units with hot gas bypass.
If no hot gas bypass, connection is provided in the evaporator module. Connect wire 4 and wire 2 to the 24V supply).
524V GND System 2
624V Supply System 2
7High Pressure Alarm System 2
8Hot Gas Bypass Connection System 2 (only on units with hot gas bypass.
If no hot gas bypass, connection is provided in the evaporator module. Connect wire 8 and wire 6 to the 24V supply).
924V GND Condenser Fan
1024V SUPPLY Condenser Fan
DPN000135_Rev0
24
