Installation, Continued), Engine starting contacts – Winco ASCO 300 H Design 600-1200 Amp User Manual

Page 6: Auxiliary circuits

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background image

terminal block for engine start and

auxiliary circuit connections

left side of

transfer switch

COMMON

FEATURE 7

closes to start

FEATURE 8

opens to start

COMMON

FEATURE 14B

closed on emergency

FEATURE 14A

closed on normal

COMMON

FEATURE 14BA

closed on emergency

FEATURE 14AA

closed on normal

Engine Starting

Signals

5 amps, 32 V DC

5 amps resistive 28 V DC

or 120 V AC max.

TS Auxiliary Contacts

Feature 14A & 14B

10 amps, 32 V DC

10 amps 250 V AC

general purpose

Optional

TS Auxiliary Contacts

Feature 14AA & 14BA

10 amps, 32 V DC

10 amps 250 V AC

general purpose

INSTALLATION

(continued)

1---2

Engine Starting Contacts

Customer connections for engine control contact and TS
auxiliary contacts connections are located on terminal
block TB which is mounted on the front lower left of the
transfer switch. Refer to wiring diagram provided with
the Series 300 ATS and connect the engine start wires to
the appropriate terminals. See Figure 1–1 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 Series 300 Automatic
Transfer Switch. Make the neces-
sary auxiliary connections by refer-
ring to Section 5, Control Features.

Connections to Controller
for other Control Features

(located on bottom of Controller)

Figure 1-1. Engine start and auxiliary circuit

terminal block TB located on the transfer switch.

for factory

use only

Remote Control Features Connections

(refer to the Wiring Diagram &

page 5–4 for DIP switch settings)

Each control contact must be suitable

for a 5 V DC low energy circuit.

Programmable

Engine Exerciser

connection,

if provided

(refer to

page 5–3)

Load Disconnect

Feature

Connections

(see Wiring Diagram

& refer to page 5–4

for DIP switch settings)

Figure 1-2. Input / output label on the Controller showing possible connections to the lower terminal block.

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