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APA451 Datasheet PDF : 4 Pages
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Wiring Guide
System wiring diagram for 4-wire duct smoke detectors
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
+
ALARM
INITIATION
LOOP
–
AVAILABLE POWER INPUTS
9
10
A
B
C
24V
120
VAC
220/240
VAC
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
14
3
TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY.
CONTACTS OPEN WHILE DETECTOR PCB OR POWER IS
REMOVED OR WHEN TAMPER FEATURE TIMES OUT. OPEN
CONTACTS SIGNAL TROUBLE CONDITION TO PANEL.
5
ALARM
INITIATION
CONTACTS
CONTACTS SHOWN
OPEN IN STANDBY.
CONTACTS CLOSE
IN ALARM.
4
UL LISTED 4-WIRE
CONTROL PANEL
FIRST DETECTOR IN THE LOOP
DH100ACDCI
AVAILABLE POWER INPUTS
9
10
A
B
C
24V
120
VAC
220/240
VAC
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
14
3
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
TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY.
CONTACTS OPEN WHILE DETECTOR PCB OR POWER IS
REMOVED OR WHEN TAMPER FEATURE TIMES OUT. OPEN
CONTACTS SIGNAL TROUBLE CONDITION TO PANEL.
5
ALARM
INITIATION
CONTACTS
CONTACTS SHOWN
OPEN IN STANDBY.
CONTACTS CLOSE
IN ALARM.
4
LAST DETECTOR IN THE LOOP
DH100ACDCI
EOL RESISTOR
SPECIFIED BY
PANEL MANUFACTURER
Wiring diagram for the DH100ACDCI to RTS451/
RTS451KEY and interconnect feature:
DH100ACDCI
Alarm Signal 15
Aux. Power + 19
Sup. N. O.
14
Sup. COM
3
Aux. Power – 20
Reset 2
Test 11
Interconnect – 1
RTS451/RTS451KEY
1 (Red LED) Alarm
6 (Green LED)
*
Power
2
3
4
5
Interconnect +
Unit 1
12
DH100ACDCI
UNIT 2
Interconnect – 1
Interconnect + 12
*NOTE: For RTS451KEY only
without a Control Panel.
RTS451 does not have a terminal 6.
NOTE: Wiring diagram shown is for
DH100ACDCI 4-wire duct
smoke detector system equipped
without a control panel.
NOTE: A trouble condition is indicated
when the green LED is not
illuminated.
*NOTE: F or RTS451KEY only without a Control
Panel.
RTS451 does not have a terminal 6.
NOTE: Wiring diagram shown is for DH100ACDCLP
4-wire duct smoke detector system
equipped without a control panel.
NOTE: A trouble condition is indicated when the
green LED is not illuminated.
Wiring diagram for DH100ACDCI to SSK451 and
interconnect feature:
FIELD INSTALLED
JUMPER FOR
TEMPORAL PATTERN
COMMON 3
TEMPORAL SELECT 2
ALARM SIGNAL 1
SUPERVISORY SIGNAL 4
RESET 7
TEST 8
POWER (–) 6
POWER (+) 5
15 ALARM SIGNAL
3
NO
14
SUPERVISORY
CONTACT
2 RESET
11 TEST
20 AUX. POWER (–)
19 AUX. POWER (+)
12 INTERCONNECT +
1 INTERCONNECT –
SSK451
FIELD INSTALLED
JUMPER
Coil Note:
DH100ACDCI
UNIT 1
12 INTERCONNECT +
1 INTERCONNECT –
DH100ACDCI
UNIT 2
Please note that the magnetic coil supplied with
the RTS451/RTS451KEY is not required when these
accessories are used with the DH100 detectors.
The functionality of the magnetic coil has been
designed into the circuitry of the Innovair duct
smoke detectors.
Wiring diagram for DH100ACDCI to APA451:
DH100ACDCI
Alarm Signal 15
APA451
2 Alarm
Aux. Power + 19
Sup. N. O.
14
3 Power
Sup. COM
3
Aux. Power – 20
1 Common
NOTE: Wiring diagram shown is for DH100ACDCI 4-wire duct
smoke detector system equipped without a control panel.
NOTE: A trouble condition is indicated when the green LED
is not illuminated.
Important Interconnect Notes
• When using the interconnect feature, all interconnected units must be powered with the same, independent supply.
• Polarity must be maintained throughout the interconnect wiring. Connect terminal 12 on unit 1 to terminal 12 on unit 2 and so on. Similarly, connect
terminal 1 on unit 1 to terminal 1 on unit 2 and so on.
A05-0315-002
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