D100-68-00 8 I56-1684-06R
Three-Year Limited Warranty
System Sensor warrants its enclosed air duct smoke detector to be free from defects
in materials and workmanship under normal use and service for a period of three
years from date of manufacture. System Sensor makes no other express warranty
for this air duct smoke detector. No agent, representative, dealer, or employee of
the Company has the authority to increase or alter the obligations or limitations of
this Warranty. The Company’s obligation of this Warranty shall be limited to the
repair or replacement of any part of the air duct smoke detector which is found to
be defective in materials or workmanship under normal use and service during the
three year period commencing with the date of manufacture. After phoning System
Sensor’s toll free number 800-SENSOR2 (736-7672) for a Return Authorization num-
ber, send defective units postage prepaid to: System Sensor, Repair Department,
RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174. Please include a note
describing the malfunction and suspected cause of failure. The Company shall not
be obligated to repair or replace units which are found to be defective because of
damage, unreasonable use, modifications, or alterations occurring after the date
of manufacture. In no case shall the Company be liable for any consequential or
incidental damages for breach of this or any other Warranty, expressed or implied
whatsoever, even if the loss or damage is caused by the Company’s negligence or
fault. Some states do not allow the exclusion or limitation of incidental or conse-
quential damages, so the above limitation or exclusion may not apply to you. This
Warranty gives you specific legal rights, and you may also have other rights which
vary from state to state.
[9] Model DH100ACDCI Air Duct Smoke Detector Specifications
Operating Temperature: +32° to +131° F 0° to +55° C
Storage Temperature: –22° to +158° F –30° to +70° C
Humidity: 10% to 93% R.H. noncondensing
Air Velocity: 500 to 4000 ft./min. 2.5 to 20.3 m/sec.
Dimensions: 14.38” L x 5.5” W x 2.75” D 37cm L x 14cm W x 7cm D
Weight: 3.75 pounds 1.7 kg
Electrical Specifications
Power supply voltage: 20-29 VDC 24 VAC 50-60-Hz 120 VAC 50-60 Hz 220/240 VAC 50-60 Hz
Input capacitance: 270 µF max. 270 µF max. N/A N/A
Reset voltage: 3.0 VDC min. 2.0 VAC min. 10 VAC min. 20 VAC min.
Reset time (with RTS451): .03 to 0.3 sec. .03 to 0.3 sec. .03 to 0.3 sec. .03 to 0.3 sec.
Reset time (by power down): 0.6 sec. max. 0.6 sec. max. 0.6 sec. max. 0.6 sec. max.
Power up time: 34 sec. max. 34 sec. max. 34 sec. max. 34 sec. max.
Alarm response time: 2 to 17 sec. 2 to 17 sec. 2 to 17 sec. 2 to 17 sec.
Sensitivity Test: See detector label See detector label See detector label See detector label
[7.2] Ion Detector Boards
1. Brush or vacuum inside area of cover. Chamber may
then be blown out using clean, compressed air.
2. Vacuum sensing chamber before using clean, compressed
air to loosen and blow out any remaining debris.
[8.0] Board Replacement
[8.1] Detector Board Replacement (part no. A5052)
1. Remove the two detector board mounting screws.
2. Pull gently on the board to remove it.
3. To replace the board, align the board mounting fea-
tures, holes, and the interconnect terminals. Push the
board into place.
4. Secure board with the two mounting screws.
[8.2] Power Board replacement (part no. A5064)
1. Disconnect wiring from the terminal block.
2. Remove the two power board mounting screws.
3. Pull gently on the board to remove it.
4. To replace the board, align the board mounting fea-
tures, holes, and the interconnect terminals. Push the
board into place.
5. Secure board with the two mounting screws.
6. Re-connect wiring to terminal block.
Power Supply Voltage
20 - 29 VDC
24 VAC 50 - 60 Hz
120 VAC 50 - 60 Hz
220/240 VAC 50 - 60 Hz
CURRENT REQUIREMENTS (USING NO ACCESSORIES)
Max. standby current
15 mA
35 mA RMS
25 mA RMS*
15 mA RMS*
Max. alarm current
70 mA
125 mA RMS
35 mA RMS*
25 mA RMS*
CONTACT RATINGS
Alarm initiation contacts (SPST)
2.0A @ 30 VDC (resistive)
Alarm auxiliary contacts (DPDT)
10A @ 30 VDC
10A @ 250 VAC
1/4 HP @ 240 VAC
1/8 HP @ 120 VAC
Trouble contacts (SPDT)
2.0A @ 30 VDC (resistive)
2.0A @ 125 VAC (resistive)
Note:
Alarm auxiliary contacts must switch 100 mA minimum at 5VDC. Alarm auxiliary contacts shall not be
connected to inititaing circuits of control panels. Use the alarm initiation contact for this purpose.
* NOTE: When a unit is powered at the 120VAC or 220/240VAC input, any
combination of accessories may be used such that the given accessory loads are:
60 mA or less in the standby state,
110 mA or less in the alarm state.
ACCESSORY CURRENT LOADS AT 24 VDC
DEVICE
APA451
PA400
RA400Z
RTS451
RTS451KEY
SSK451
STANDBY
12.5mA Max.
0mA
0mA
0mA
12mA*
5mA Max.
ALARM
30mA Max.
15mA Max.
10mA Max.
7.5mA Max.
7.5mA Max.
30mA Max.
TROUBLE
n/a
n/a
n/a
n/a
n/a
9mA Max.
Please refer to insert for Limitations of Fire Alarm Systems.
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