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TT-1686 3/16
INSTALLATION INSTRUCTIONS
Original Issue Date:
3/16
Model:
GLS-1, GTS-1, K-1, and KB-1 Automatic Transfer Switches
Market:
ATS
Subject:
S340 to Decision-Maker
r
MPAC 1500 Controller Conversion Kit
GM99332-S1
Introduction
Use conversion kit GM99332-S1 to replace the S340
controller with a Decision-Maker
r
MPAC 1500 controller
on the standard-transition automatic transfer switch
models listed above. See Figure 7 to interpret the
transfer switch model designation.
Note:
Do
not
use
this
conversion
kit
on
programmed-transition models.
See Figure 1 for an illustration of the installed kit. See
Figure 2 for controller identification, if necessary.
Note:
Do not discard these instructions after kit
installation. Keep this document with the transfer
switch documentation for future reference.
GM99332
2
1. Decision Maker
r
MPAC 1500 controller assembly
2. Optional accessory module assembly (not provided with
controller conversion kit)
1
Figure 1
Decision-Maker
r
MPAC 1500 Controller
Conversion Kit, Installed
TT1686
Decision-Maker
r
MPAC 1500
S340
Figure 2
Controller Identification
Tools Required
D
Phillips
r
screwdriver
D
Small flat tip screwdriver
D
Wire cutter
D
7/16 nut driver
D
11/32 nut driver
D
5/16 nut driver
D
Jigsaw or reciprocating saw to cut an opening in the
enclosure door
D
Gray (ANSI 61) touch-up paint
Read the entire installation procedure and compare the
kit parts with the parts list in this publication before
beginning installation. Refer to the wiring diagrams at
the end of this publication as needed during the
installation. Perform the steps in the order shown.
Summary of Contents for GLS-1
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Page 12: ...12 TT 1686 3 16 Figure 20 Current Sensing Kit Wiring Diagram GM47803 ...
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