Air Conditioner User Manual

Installation
9
Figure 7 Electrical field connections, 1- to 5-ton units
Horizontal Air Discharge Models
DPN000134
Rev. 1
Field-supplied unit
disconnect switch
Single- or three-phase
electric service not provided
by Liebert
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
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
Field-supplied 24V
NEC Class 2 wiring
to evaporator module
Top Air Discharge Models
(5 Ton High Ambient or 5 Ton Quiet-Line)
Refer to tables or unit serial label
for FLA, WSA and OPD values.