System Sensor DH400ACDCP User Manual
Page 6
24V
120 VAC
220/240
VAC
1
2
12
13
14
AVAILABLE POWER INPUTS
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.
TROUBLE CONTACTS
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
.
24V
120 VAC
220/240
VAC
1
2
12
13
14
AVAILABLE POWER INPUTS
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.
TROUBLE CONTACTS
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.
11
10
11
10
8
9
ALARM INITIATION CONTACTS
CONTACTS SHOWN OPEN IN STANDBY. CONTACTS CLOSE IN ALARM.
8
9
ALARM INITIATION CONTACTS
CONTACTS SHOWN OPEN IN STANDBY. CONTACTS CLOSE IN ALARM.
ALARM INITIATION LOOP
UL LISTED CONTROL PANEL
FIRST DETECTOR IN THE LOOP DH400ACDC
P
LAST DETECTOR IN THE LOOP DH400ACDC
P
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.
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 10A @ 250 VAC 500mA MINIMUM @ 24 VDC NOT INTENDED FOR CONNECTION TO CONTROL PANELS.
TROUBLE CONTACT RATING 0.3 A @ 32 VAC/DC
CAUTION
Do not loop wire under terminals when wiring detectors. Break wire runs to provide system supervision of connections.
Figure 7. System wiring diagram for duct detectors using a UL listed control panel (see Figure 9 for wiring of
optional accessories):
H0252-00
D400-13-00
6
I56-0555-010R