INSTALLATION (continued)
1 --- 2

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.
Referto thewiring diagram provided with the automati c
transfer switch and connect the engine start wires tothe
appropriate terminals. See Figure 1–1 and Table A.
TableA. Engine start connections.
When normal source
fails
Ter m i n a l s on
Ter m i n a l Bl o c k TB
contact closes TB1 and TB2
contact opens TB1 and TB3
Note: Totemporarilydisable engine controlfrom
the automatic transfer switch you can unplug J3
from the small P3 receptacle at the bottom of the
assembly. BesuretoreconnectplugJ3totheP3
receptaclefor automatic transfer switch operation.

Auxiliary Circuits

Connect auxiliary circuitwires to appropriate terminals
on transfer switch terminal block TB as shown on the
wiring diagram provided with this automatic transfer
switch.
engine start
connections
on
customer
terminal
block TB
Figure 1-1. Customer terminal block onthe top right
side of the enclosure.
Functional Test
The FunctionalTest consists of three checks:
❐1 — Manual Operation Test,page 1–3
❐2—VoltageChecks,page1–4
❐3 — Electrical Operation, page 1–5
Do these checks in the order presented
to avoid damaging theACTS.
!
Read all instructions on the Wiring Diagram and labels
affixedto the automatic transfer switch. Note the control
features that are provided and review their operation
before proceeding.
Note the position of the contact shafts as shown below.

window indicators

Ois open

Cis closed

Emergency contacts

(upper shaft)

Normal contacts

(lower shaft)

contact

position

indicators

(right side)

Figure 1-2. Contact position indica tors.
Shown with Emergency open and Nor mal closed.
Continue to 1–ManualOperationTest on next page.