D100-68-00 8 I56-1147-12R
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 ser-
vice 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 author-
ity 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 number, send defective units postage prepaid
to: System Sensor, Returns Department, RA #__________, 3825 Ohio
Avenue, St. Charles, IL 60174. Please include a note describing the mal-
function and suspected cause of failure. The Company shall not be obli-
gated 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 consequential 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 DH100ACDCP Air Duct Smoke Detector Specifications
Temperature:
DH100ACDCP 32° to 131° F 0° to 55° C
Storage Temperature: –22° to 150° 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
[7.3] 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. A5190)
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
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 the Limitations of Fire Alarm Systems
