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System-sensor DH400ACDCI User Manual Page 6

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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
LAST DETECTOR IN THE LOOP
DH400ACDC
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 6. System wiring diagram for duct detectors using a UL listed control panel (see Figure 8 for wiring of
optional accessories):
A78-2352-01
D400-13-00 6 I56-555-08
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