Operator’s Manual Installation
6 381333-194 B
Installation
Engine Starting Contacts
All customer connections, including the engine control
contact connections, are located on terminal block TB
which is mounted on the top right side of the enclosure.
Refer to the wiring diagram provided with the automatic
transfer switch and connect the engine start wires to the
appropriate terminals. See Figure 1 and Table A.
Table A. Engine start connections.
When normal
source fails
Terminals on
transfer switch
contact closes TB1 and TB2
contact opens TB1 and TB3
Auxiliary Circuits
Connect auxiliary circuit wires to appropriate terminals
on transfer switch terminal block TB as shown on the
wiring diagram provided with this automatic transfer
switch.
Figure 1. Customer terminal block on the top right side
of the enclosure.
Functional Test
The Functional Test consists of two checks:
□ 1 - Voltage Checks, page 7
□ 2 - Electrical Operation, page 8
Do these checks in the order presented to avoid
damaging the ACTB.
Read all instructions on the Wiring Diagram and labels
affixed to the automatic transfer switch. Note the control
features that are provided and review their operation
before proceeding.
Continue to 1 – Voltage Checks on next page.
engine start
connections
on
customer
terminal
block TB
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