DH100LP Wiring Guide

Systemwiringdiagramfor2-wireductsmokedetectors(detectorspoweredfrominitiatingdevicecircuit):

WiringdiagramfortheDH100LPtoRTS451/RTS451KEY:

1

2

3

4

5

6

3

4

5

Test +

Test / Reset –

Reset +

Test

Reset

RA +

RA –

V Out +

2-Wire Wiring to RTS 451 KEY

DH100LP

RTS451/RTS451KEY

6

2

1

Alarm

LED

No Connection

4

(+)

(+)

5

8

(–)

(–) IN

(–) OUT

1ST DETECTOR

IN LOOP DH100LP

(–)

RA400Z (OPTIONAL)

REMOTE ALARM LED

2.8 VDC NOM.

IN ALARM

4

(+)

(+)

5

8

(–)

(–) IN

(–) OUT

LAST DETECTOR

IN LOOP DH100LP

(–)

RA400Z (OPTIONAL)

REMOTE ALARM LED

2.8 VDC NOM.

IN ALARM

E

O

L

R

STYLE D OPTIONAL WIRING

UL LISTED

COMPATIBLE 2-WIRE

CONTROL PANEL

ALARM

INITIATION

LOOP

(+)

(–)

EOL RESISTOR

SPECIFIED BY

PANEL MANUFACTURER

DETECTOR

BOARD

7

6

(+) IN

(+) OUT

DETECTOR

BOARD

7

6

(+) IN

(+) OUT

H0263-00

Note:

Terminal6oftheRTS451KEYisnotusedwhenwired

to a 2-wire detector. The RTS451 does not have a

terminal6.

H0264-00