Справочник Пользователя для Liebert 308 415
Inspection and Installation
24
Figure 20 Electrical field connections for VFD control condensers
Alarm Connections
Field-supplied 24V Class 1
wiring to remote alarm circuits
Variable Frequency Drive (VFD)
alarm contact connections (13, 14)
Transient Voltage Surge Suppressor (TVSS)
alarm contact connections (11, 12).
Field-supplied 24V Class 1
wiring to remote alarm circuits
Variable Frequency Drive (VFD)
alarm contact connections (13, 14)
Transient Voltage Surge Suppressor (TVSS)
alarm contact connections (11, 12).
Factory-wired to 24V
control circuit.
control circuit.
Control interlock (70, 71)
Field-supplied
Class 1 wiring to
interlock condenser 24V
controls to Liebert
room unit; 7/8 in.
(22.2mm) diameter
hole provided in
bottom of electric box.
Field-supplied
Class 1 wiring to
interlock condenser 24V
controls to Liebert
room unit; 7/8 in.
(22.2mm) diameter
hole provided in
bottom of electric box.
Factory-wired to components
on electric panel.
on electric panel.
Earth ground connection (60Hz).
Connection terminal for
field-supplied earth grounding wire
when factory disconnect is supplied.
Connection terminal for
field-supplied earth grounding wire
when factory disconnect is supplied.
Earth ground bar (optional on 50Hz only).
Connection terminals with factory
ground from each high voltage
component for field-supplied
earth grounding wire.
Connection terminals with factory
ground from each high voltage
component for field-supplied
earth grounding wire.
Factory-installed fuse block on
60Hz units. Circuit breaker supplied
in lieu of fuse block on 50Hz units.
60Hz units. Circuit breaker supplied
in lieu of fuse block on 50Hz units.
Electric service connection
terminals with factory-
supplied disconnect.
terminals with factory-
supplied disconnect.
Electric service entrance.
A 7/8" (22.2mm) diameter
hole in a 1-1/8 in (28.6mm)
knockout provided in bottom
of electric box.
A 7/8" (22.2mm) diameter
hole in a 1-1/8 in (28.6mm)
knockout provided in bottom
of electric box.
Electric service,
not by Liebert
not by Liebert
Factory-installed
disconnect switch.
disconnect switch.
DPN001051
Rev. 0
Rev. 0
NOTE: Refer to specification sheet for full load amp. and wire size amp. ratings.