D100-68-00
6
I56-1525-000
24V
120
VAC
220/240
VAC
9
10
A
B
C
AVAILABLE POWER INPUTS
ALARM AUXILIARY CONTACTS
FOR FAN SHUTDOWN, ETC.
16
6
17
7
18
8
N.C.
C.
N.O.
N.O.
C.
N.C.
ALARM AUXILIARY CONTACTS SHOWN IN
STANDBY. CONTACTS TRANSFER DURING
ALARM AS INDICATED BY THE ARROWS.
SUPERVISORY TROUBLE CONTACTS
TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY.
CONTACTS OPEN WHILE DETECTOR HEAD OR POWER IS
REMOVED OR WHEN TAMPER FEATURE TIMES OUT. OPEN
CONTACTS SIGNAL TROUBLE CONDITION TO PANEL.
24V
220/240
VAC
9
10
A
B
C
AVAILABLE POWER INPUTS
ALARM AUXILIARY CONTACTS
FOR FAN SHUTDOWN, ETC.
16
6
17
7
18
8
N.C.
C.
N.O.
N.O.
C.
N.C.
ALARM AUXILIARY CONTACTS SHOWN IN
STANDBY. CONTACTS TRANSFER DURING
ALARM AS INDICATED BY THE ARROWS.
SUPERVISORY TROUBLE CONTACTS
TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY.
CONTACTS OPEN WHILE DETECTOR HEAD OR POWER IS
REMOVED OR WHEN TAMPER FEATURE TIMES OUT. OPEN
CONTACTS SIGNAL TROUBLE CONDITION TO PANEL.
3
14
3
14
4
5
ALARM
INITIATION
CONTACTS
CONTACTS SHOWN
OPEN IN STANDBY.
CONTACTS CLOSE
IN ALARM.
4
5
ALARM
INITIATION
CONTACTS
CONTACTS SHOWN
OPEN IN STANDBY.
CONTACTS CLOSE
IN ALARM.
ALARM
INITIATION
LOOP
UL LISTED 4-WIRE
CONTROL PANEL
FIRST DETECTOR IN THE LOOP
DH100ACDCA
LAST DETECTOR IN THE LOOP
DH100ACDCA
EOL RESISTOR
SPECIFIED BY
PANEL MANUFACTURER
CONNECT POWER SOURCE
TO APPROPRIATE TERMINALS
OF EACH DETECTOR. SEE
SPECIFICATIONS FOR
ADDITIONAL POWER SUPPLY
INFORMATION.
FOR WIRING OF AUXILIARY
DEVICES, REFER TO
MANUFACTURER’S
INSTALLATION INSTRUCTIONS
OR CONTACT MANUFACTURER.
NOTE: THE SUPERVISORY RELAY NOW
PROVIDES A "FORM C" CONTACT FOR
CUSTOMIZED APPLICATIONS.
FOR STANDARD APPLICATIONS, ONLY
THE "NO" CONTACT IS USED
POWER INPUTS ACCEPT
24 VDC, 24 VAC 50-60 HZ,
120 VAC 50-60 HZ, OR
220/240 VAC 50-60 HZ.
CONNECT POWER SOURCE
TO APPROPRIATE TERMINALS
OF EACH DETECTOR.
AUX. CONTACT RATINGS
10A @ 30 VDC RESISTIVE
10A @ 250 VAC
100mA MINIMUM @ 5 VDC
NOT INTENDED FOR
CONNECTION TO CONTROL
PANELS.
TROUBLE CONTACT RATING
2.0 A @ 30 VDC resistive
+
—
120
VAC
CAUTION
Do not loop wire under terminals when wiring detectors. Break wire runs to provide system supervision of connections.
Figure 8. Wiring diagram for DH100ACDCA to
APA451:
A78-2352-03
Figure 7. System wiring diagram for 4-wire duct smoke detectors (detectors powered from
initiating circuit):
15
19
14
3
20
1
3
2
Alarm Signal
Aux. Power +
Sup. N. O.
Sup. COM
Aux. Power —
NOTE: Wiring diagram shown is for DH100ACDCA 4-wire duct
smoke detector system equipped without a control panel.
Alarm
Power
Common
APA451
DH100ACDCA
15
19
14
3
20
2
11
2
6
1
Alarm Signal
Aux. Power +
Sup. N. O.
Sup. COM
Aux. Power —
Reset
Test
(Red LED) Alarm
(Green LED) Power
Common
12
1
12
1
Interc
Interconnect —
DH100ACDCA
DH100ACDCA
RTS451KEY
5
4
3
Reset
Common
Test
NOTE:
Wiring diagram shown is for
DH100ACDCA 4-wire duct smoke
detector system equipped
without a control panel.
Figure 9. Wiring diagram for DH100ACDCA to
RTS451KEYA and interconnect feature:
Unit Two
IMPORTANT!
ALL INTERCONNECTED
UNITS MUST BE POWERED
BY THE SAME,
INDEPENDENT POWER
SUPPLY.
