Tim1 wiring basics, Figure 74: incorrect and correct tim1 wiring – GE Industrial Solutions EntelliGuard TU Trip Units User Manual
Page 56
EntelliGuard TU Trip Units: UL/ANSI Models
DEH-4567B
Trip Unit Integration
46
©2012 General Electric All Rights Reserved
TIM1 Wiring Basics:
1.
The
GFZOUT
terminals on the Entelliguard G (GTU) are wired from the downstream
breaker secondary disconnect to the
DOWNSTREAM
input on the TIM1 module.
2.
The
GFZIN
terminals on the Entelliguard G are wired from the upstream breaker secondary disconnect to the
UPSTREAM
input on the TIM1 module.
3.
Polarity must be observed at all times for proper operation.
4.
Up to 6 (six) trip unit GFZOUT terminals can be connected in parallel to a single DOWNSTREAM TIM1 connection terminal
pair.
5.
Each UPSTREAM TIM1 connection can have a maximum of 1 (one) trip unit.
Figure 7-4: Incorrect and Correct TIM1 Wiring
UPSTREAM TIM1 connections can be connected to only one trip unit.
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