System Sensor DH500ACDC User Manual

Page 6

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ALARM SIGNAL (+)

AUX POWER (–)

2

6

(+)

(–)

DUCT DETECTOR
DH500ACDC

PA400 (OPTIONAL)
AUDIBLE ALERT

ALARM SIGNAL (+)

AUX POWER (–)

2

6

(+)

(–)

DUCT DETECTOR
DH500ACDC

RA400Z (OPTIONAL)
REMOTE (LED)
ANNUNCIATOR

RED

ALARM SIGNAL (+)

AUX POWER (–)

2

6

1

2

DUCT DETECTOR
DH500ACDC

RTS451/RTS451KEY
(OPTIONAL) REMOTE
TEST STATION

R
E
D

5

3

1

4

TEST (+)

3

ACCESSORY CURRENT LOADS AT 24VDC

DEVICE

PA400

RA400Z

RTS451/RTS451KEY

STANDBY

0mA

0mA

0mA

ALARM

15mA MAX

10mA MAX

10mA MAX

ANY COMBINATION OF ACCESSORIES MAY BE USED
SUCH THAT THE GIVEN CURRENT LOADS TOTAL:

AUX POWER (+)

TEST (–)

STANDBY STATE:
ALARM STATE:

30mA OR LESS
80mA MAX, 24 VDC (TERMINALS 3 & 6)
20mA MAX, AUXILIARY ALARM OUTPUT (TERMINALS 2 & 6).

NOTE: THE RTS451 RESET CANNOT BE USED ON THE DH500ACDC.

TEST (–)

RESET
(NOT USED)

4

5

6

7

8

9 10

11

12

13

14 15

16

17

+

COMMUNICATION

LINE

FROM PANEL

(+)

(–)

(+)

(–)

COMMUNICATION

LINE TO REST

OF SYSTEM

NOTE: FOR POWER SUPPLY
WIRES, POLARITY IS NOT
IMPORTANT.

ALWAYS RUN AUXILIARY CONTROL

WIRING IN SEPARATE CONDUIT

J5

K2

1

2

3

24 VAC &

24 VDC

240 VAC

120 VAC

NOTE: JUMPER WIRE (J5)
IS REQUIRED TO BE
INTACT FOR 2-WIRE
APPLICATIONS ONLY.
CUT J5 FOR 4-WIRE
POWER SUPERVISION.

NOTE: WHEN INITIATING AN ALARM, THE RTS451/RTS451KEY REQUIRES

95mA MAXIMUM IN PRE-ALARM AND 103mA MAXIMUM IN ALARM.
NOMINAL STANDBYCURRENT IS 0mA. ALARM CURRENT IS 8mA
MAXIMUM WHEN TEST MAGNET IS REMOVED.

*

*

*

NOTE: Auxiliary devices (RA400Z, PA400, RTS451/RTS451KEY) and auxiliary control contacts will not function without

auxiliary power. See Figure 5A for voltage/termination.

A78-2383-00

Figure 5A

Figure 5C

Figure 5E

Figure 5D

Figure 5B

Figur

e 5. W

iring diagram:

D5
00-0

7-00

6

I56-432-1

1R

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