Liebert 50 & 60Hz User Manual

Page of 72
Site Preparation and Installation
28
Figure 18 Indoor water/glycol condensing unit dimensional data
1. 24V GND System 1
2. 24V Supply System 1
3. High-Pressure Alarm 
System 1
4. Hot 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).
5. 24V GND System 2
6. 24V Supply System 2
7. High-Pressure Alarm 
System 2
8. Hot 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).