REV : 10
REV DATE : 2/17
DPN002169
Page :1 /3
PREMIUM EFFICIENCY CONTROL
Form No.: DPN001040_REV4
ELECTRICAL FIELD CONNECTIONS
LIEBERT MC CONDENSER
FAN 2
FAN 1
12
13
70
71
230
SH
NOTICE !
THIS HOLE FOR FIELD
SUPPLIED EXTRA LOW
VOLTAGE CONTROL WIRING
8
9
10
KEY ELECTRICAL DETAILS:
1) Three phase electrical service – Terminals are on top of disconnect switch for one and two fan units. Terminals are on bottom of
disconnect switch for three and four fan units. Three phase service not by Liebert. See note 5.
2) Earth ground – Field lug terminal for earth ground connection. Ground terminal strip for fan motor ground connection.
3) Primary high voltage entrance – Two 7/8” (22.2mm) diameter knockouts located at the bottom of the enclosure.
4) SPD field connection terminals – High voltage surge protective device (SPD) terminals. SPD is an optional device.
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