Trendnet Series 300 User Manual download pdf (Page 4)

INSTALLATION (continued)

1--2

Controller Ground

A grounding wire must be connected to the controller’s

lower left mounting stud. Because the controller i s

mounted on the enclosure door, a conductive strap must be

used between the enclosure and the door. This connection

provides proper grounding which does not rely upon the

door hinges.

Engine Starting Contacts

Customer connections for engine control contact and TS

auxiliar y contac ts connec tion s are located on terminal

bloc k TB which is mounted on the front lower left of the

transfer sw itc h. Refer to wiring diagram prov ided with the

Series 300 ATS and connect the engine start wires to the

appropr iate terminals . See Figur e 1–1 and Table A.

Table A. Engine start connections.

When normal

source fails

Te r m in a l s o n

transfer switch

contact closes TB1 and TB3

contact opens TB1 and TB2

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 Automati c Transfer

Switch. Make the necessary auxiliary connections by

referring to Section 5, Control Features.

Harnesses

The transfer switch is connected to the left side of the

controller by a plug–in harness (two plugs).

TB Terminal Block

(field connections)

accepts wire range

22–12 AWG

Engine Starting

Signal s

5amps,32VDC

5ampsresistive28VDC

or 120 V AC max.

TS Auxiliary Contacts

Feature 14A & 14B

10 amps, 32 V DC

10 amps 250 V AC

general purpose

Figure 1-1. Connections to engine starting contact

terminal block located on the Transfer Switch.

Connections to Controller

for other Control Features

(located on bottom of Controller)

for factory

use only

Remote Control Features Connections

(refer to the Wiring Diagram &

page 5–3 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 5–2)

Load Disconnect

Feature

Connections

(see Wiring Diagram

& refer to page 5–3

for DIP sw itch settings)

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

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Trendnet Series 300 User Manual Page 4

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