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Installation
10
Figure 8 Electrical field connections, 8-ton units
Factory-wired
to components on
electric panel
DPN000135
Rev. 1
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
Field-supplied unit
disconnect switch
Single- or three-phase
electric service not provided
by Liebert
Field-supplied 24V
NEC Class 2 wiring
to evaporator module
Heat rejection connection.
Field-supplied 24V NEC
Class 2 wiring.
Wire connections from evaporator module:
1. 24V GND System 1
2. 24V Supply System 1
3. High Pressure Alarm System 1
4. Hot Gas Bypass Connection System 1
5. 24V GND System 2
6. 24V Supply System 2
7. High Pressure Alarm System 2
8. Hot Gas Bypass Connection System 2
9. 24V GND Condenser Fan
10. 24V SUPPLY Condenser Fan
Refer to tables or unit serial label
for FLA, WSA and OPD values.