ADC LTPH-UM-1261-01 ユーザーズマニュアル
2-9
B
ONDING
(S
AFETY
) G
ROUND
, P
OWER
AND
F
RAME
G
ROUND
, A
LARM
,
AND
O
PTIONAL
F
AN
I
NPUTS
Bonding (safety) ground, power and frame ground, and alarm connections and cabling are marked for ease of
installation [see ground lug location (labeled BONDING WIRE MIN #10 AWG)], TB1, and TB2 on the rear panel of
the HMS-318 List 3 Shelf, and the following procedures for proper safety ground, power, alarm, and optional fan
(alarms) connections (see
installation [see ground lug location (labeled BONDING WIRE MIN #10 AWG)], TB1, and TB2 on the rear panel of
the HMS-318 List 3 Shelf, and the following procedures for proper safety ground, power, alarm, and optional fan
(alarms) connections (see
).
Bonding (Safety) Ground Procedure
To connect the Bonding (Safety) ground to the HMS-318 List 3 Shelf, complete the following steps:
!
IMPORTANT
Before making connections to the HMS-318 List 3 shelf, ensure that the Main CO power breaker
is off. Otherwise, severe injury to the installer or damage to the unit may result.
is off. Otherwise, severe injury to the installer or damage to the unit may result.
Note:
The ground wire exiting the HMS-318 List 3 Shelf is terminated with a ground lug. The lug can be
either a one-hole or two-hole lug. The surface of the lug that connects to the HMS-318 List 3 Shelf should
be cleaned with an antioxidant. The same should also be applied to the surface of the telco-style rack where
the connection is to be made. The #12 Hexhead screw (supplied) is used to connect the grounding lug to
the HMS-318 List 3 Shelf.
be cleaned with an antioxidant. The same should also be applied to the surface of the telco-style rack where
the connection is to be made. The #12 Hexhead screw (supplied) is used to connect the grounding lug to
the HMS-318 List 3 Shelf.