![[7.3] Ion Detector Boards](/images/new-backgrounds/48045/4804515x1.webp)
[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.
[9]Model DH100ACDCP Air Duct Smoke Detector Specifications
Temperature:
DH100ACDCP | 32° to 131° F |
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| 0° to 55° C |
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Storage Temperature: |
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Humidity: | 10% to 93% R.H. noncondensing |
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Air Velocity: | 500 to 4000 ft./min. | 2.5 to 20.3 m/sec. |
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Dimensions: | 14.38″ L x 5.5″ W x 2.75″ D | 37cm L x 14cm W x 7cm D | ||||||||
Weight: | 3.75 pounds |
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| 1.7 kg |
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Electrical Specifications |
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Power supply voltage: | 24 VAC | 120 VAC | 220/240 VAC | |||||||
Input capacitance: | 270 µF max. | 270 µF max. | N/A |
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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 | ||||||
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Power Supply Voltage |
| 20 - 29 VDC |
| 24 VAC 50 - 60 Hz |
| 120 VAC 50 - 60 Hz |
| 220/240 VAC 50 - 60 Hz |
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CURRENT REQUIREMENTS (USING NO ACCESSORIES) |
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Max. standby current |
| 15 mA |
| 35 mA RMS |
| 25 mA RMS* |
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| 15 mA RMS* |
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Max. alarm current |
| 70 mA |
| 125 mA RMS |
| 35 mA RMS* |
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| 25 mA RMS* |
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CONTACT RATINGS
Alarm initiation contacts (SPST) | 2.0A @ 30 VDC (resistive) | |
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Alarm auxiliary contacts (DPDT) | 10A | @ 30 VDC |
| 10A | @ 250 VAC |
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.
Trouble contacts (SPDT) | 2.0A | @ 30 VDC (resistive) |
| 2.0A | @ 125 VAC (resistive) |
ACCESSORY CURRENT LOADS AT 24 VDC |
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DEVICE | STANDBY | TROUBLE | ALARM |
APA451 | 12.5mA Max. | n/a | 30mA Max. |
PA400 | 0mA | n/a | 15mA Max. |
RA400Z | 0mA | n/a | 10mA Max. |
RTS451 | 0mA | n/a | 7.5mA Max. |
RTS451KEY | 12mA* | n/a | 7.5mA Max. |
SSK451 | 5mA Max. | 9mA Max. | 30mA Max. |
*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.
Please refer to insert for the Limitations of Fire Alarm Systems
System Sensor warrants its enclosed air duct smoke detector to be free |
| Avenue, St. Charles, IL 60174. Please include a note describing the mal- |
from defects in materials and workmanship under normal use and ser- |
| function and suspected cause of failure. The Company shall not be obli- |
vice for a period of three years from date of manufacture. System Sensor |
| gated to repair or replace units which are found to be defective because |
makes no other express warranty for this air duct smoke detector. No |
| of damage, unreasonable use, modifications, or alterations occurring |
agent, representative, dealer, or employee of the Company has the author- |
| after the date of manufacture. In no case shall the Company be liable for |
ity to increase or alter the obligations or limitations of this Warranty. The |
| any consequential or incidental damages for breach of this or any other |
Company’s obligation of this Warranty shall be limited to the repair or |
| Warranty, expressed or implied whatsoever, even if the loss or damage is |
replacement of any part of the air duct smoke detector which is found to |
| caused by the Company’s negligence or fault. Some states do not allow |
be defective in materials or workmanship under normal use and service |
| the exclusion or limitation of incidental or consequential damages, so the |
during the three year period commencing with the date of manufacture. |
| above limitation or exclusion may not apply to you. This Warranty gives |
After phoning System Sensor’s toll free number |
| you specific legal rights, and you may also have other rights which vary |
for a Return Authorization number, send defective units postage prepaid |
| from state to state. |
to: System Sensor, Returns Department, RA #__________, 3825 Ohio |
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