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M-0329B Instruction Book
3.1
Terminal Block Connections
The M-0329B LTC Backup Control is listed to UL
Standards for Safety by Underwriters Laboratories
Inc. (UL). To fulfill the UL requirements, terminal
block connections must be made as illustrated in
the figure below. The wire should be No. 16 AWG
inserted in an AMP #51864-1 (or equivalent)
connector, and both screws tightened to 16 inch-
pounds torque.
16 AWG
AMP #51864-1
or equivalent
Recommended Wire Terminations
Tighten to 16 inch-pounds
Figure 3
Wire Terminations for External Connections as Required for UL Listing
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TB1
•
•
•
•
BLOCK
120 V ac Power Input Hot
120 V ac Power Input Neutral
Voltage (Sensing) Input Hot
Voltage (Sensing) Input Neutral
BLOCK
RAISE
ALARM
LOWER
LOWER
■
■
■
■
■
NOTE
: All contacts are shown in the inactive (normal) condition, i.e. the output contact between TB1-14
and TB1-15 is open for the No Alarm condition and will close to indicate an Alarm Condition.
Figure 4
External Connections