D200-39-00 7 I56-1977-004R
[9.2.2.2] RTS451/RTS451KEY Remote Station Test
The RTS451/RTS451KEY Remote Test Station facilitates test of the alarm
capability of the duct smoke detector. These accessories provide the
stimulus to initiate an alarm condition at the detector. The detector is
self-restoring when the accessory test stimulus is removed. Verify that the
system control panel has reset; panel may need to be reset.
[9.2.3] Sensitivity Tests
Notify the proper authorities that the smoke detector system is undergo-
ing maintenance, and that the system will temporarily be out of service.
Disable the device or system undergoing maintenance to prevent unwant-
ed alarms and possible dispatch of the fire department.
[9.3] Maintenance of Duct Smoke Detectors [9.3.1] Air Filters
1. Turn off power to the system.
2. Remove and inspect sampling tube filters.
3. If filters are heavily coated with dirt, replace them with new filters
(p/n F36-09-11). If they are not heavily coated, use a vacuum cleaner
or compressed air nozzle to remove dust, then reinstall the filters.
[9.3.2] Photo Detector Boards
1. Remove the screen by gently grasping on each side and pulling straight
off
2. Lift the photo chamber in the same fashion. Vacuum the screen and
cover. Use clean, compressed air to loosen and blow out any remaining
debris. Replacement screens (p/n S08-39-01) are available.
3. Vacuum photo chamber, then use clean compressed air to blow area
clean.
4. Replace the chamber by pressing it onto the base. Press the screen into
place. It should fit tightly on the chamber.
[10] Board Replacement
[10.1] Sensor Board Replacement
1. Remove the two sensor board mounting screws.
2. Pull gently on the board to remove it.
3. To replace the board, align the board mounting features, holes, and the
interconnect terminals. Push the board into place.
4. Secure board with the two mounting screws.
[10.2] Power Board Replacement
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 features, 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.
[11] Model DH200RPL Air Duct Smoke Detector Specifications
Operating Temperature Range 32° to 131°F (0° to 55°C)
Storage Temperature Range
-22º to 158ºF (-30º to 70ºC)
Humidity Range
10% to 93% (non-condensing)
Air Velocity
100 to 4000 ft/min (0.5 to 20.32 m/sec.)
Dimensions
14
3
⁄
8
″
L x 5
1
⁄
2
″
W x 2
3
⁄
4
″
D (37 cm L x
14 cm W x 7 cm D)
