Figure 7. Wiring diagram for duct detector systems equipped without a control panel (see Figure 8 for wiring of additional optional accessories):
SEE SPECIFICATIONS FOR ADDITIONAL POWER SUPPLY INFORMATION.
FOR WIRING OF AUXILIARY DEVICES, REFER TO MANUFACTURER’S INSTALLATION INSTRUCTIONS OR CONTACT MANUFACTURER.
2 ALARM
RED | 1 COMMON |
| AVAILABLE POWER INPUTS |
| ||||
1 |
| 2 | 12 | 13 |
| 14 |
| 24V |
|
| 120 |
|
|
|
|
|
| VAC |
|
|
|
|
|
| 220/240 |
| |
|
|
|
| VAC |
|
|
ALARM AUXILIARY CONTACTS | ||||||
| FOR FAN SHUTDOWN, ETC. |
| ||||
15 | 16 | 17 |
| 18 | 19 | 20 |
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.
ALARM INITIATION CONTACTS
8 | N.O. | 9 |
|
|
TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY. CONTACTS OPEN WHILE DETECTOR HEAD OR POWER IS REMOVED, AND DURING RESET. OPEN CONTACTS SIGNAL TROUBLE CONDITION TO PANEL.
5 | (+) ALARM SIGNAL |
| |
6 | |
|
POWER INPUTS ACCEPT
24 VDC, 24 VAC
120 VAC
220/240 VAC
CONNECT POWER SOURCE TO APPROPRIATE TERMINALS OF EACH DETECTOR.
ALARM AUXILIARY CONTACT RATINGS 10A @ 30 VDC
10A @ 250 VAC
500mA MINIMUM @ 24 VDC
NOT INTENDED FOR CONNECTION TO CONTROL PANELS.
ALARM INITIATION CONTACT RATING 2.0A @ 30 VAC/DC (0.6 POWER FACTOR)
GRN.
FIELD INSTALLED JUMPER
7 | (+) AUX POWER |
|
10
TROUBLE
TROUBLE CONTACT RATING 0.3A @ 32 VAC/DC
TROUBLE CONTACTS CLOSED IN STANDBY AND ALARM. CONTACTS OPEN WHILE DETECTOR HEAD OR POWER IS REMOVED, AND DURING RESET. OPEN CONTACTS
3 POWER
APA451
AUDIBLE PIEZO ALERT WITH ALARM AND POWER (TROUBLE) LEDS. FOR STAND ALONE APPLICATIONS ONLY. APA451 RECOMMENDED FOR COMPLIANCE TO NFPA 90A. LOCATE IN NORMALLY OCCUPIED AREA OF PREMISES.
11 CONTACTS
DH400ACDCP
DUCT DETECTOR
EXTINGUISH OPTIONAL APA451 GREEN “POWER” LED TO INDICATE TROUBLE CONDITION.
H0253-00
7 |
