System Sensor DH100 Replacement Detector Board User Manual
Page 2
Replacement Power Boards
Two-Wire Power Board: part number A5061
Four-Wire Power Board: part number A5064
NOTE: TWO-WIRE POWER BOARDS CAN ONLY BE
INSTALLED IN TWO-WIRE DUCT SMOKE DETECTOR
MODELS; 4-WIRE POWER BOARDS CAN ONLY BE
INSTALLED IN 4-WIRE DUCT SMOKE DETECTOR MODELS.
IMPROPER INSTALLATION WILL VOID ALL AGENCY APPROVALS.
Replacement Power Board Installation Instructions
1. Notify the proper authorities that the smoke detector system is undergoing
maintenance and that the detector will temporarily be out of service.
2. Turn off power to the duct smoke detector.
3. Mark the location of all wires to the terminal block.
4. Disconnect all wiring from the terminal block.
5. Remove the two power board mounting screws. Retain screws for installation of new board.
6. Pull gently on the board to remove it from the detector housing.
7. Align the board mounting features, holes, and interconnect terminals with the features on the duct smoke
detector housing.
8. Push the board into place.
9. Secure the board with the two board mounting screws.
10. Reconnect all wiring to the terminal block.
11. Apply power to the duct smoke detector.
12. Perform the detector checks as outlined in sections 6.2.1 and 6.2.2.1 of the Installation and Maintenance
Instructions to ensure proper detector operation. The tests performed must include:
A. Visually check to see the green power LED blinks once every ten seconds, indicating power to the duct
smoke detector.
B. Perform the magnet test to initiate an alarm condition. Reset the detector using the local reset button,
remote accessory, removing power or system control panel.
For additional assistance in this process or questions, please contact System Sensor Technical Service at
800-SENSOR2 (800-736-7672).
D100-71-00 2 I56-1359-01
©
System Sensor 2004
DH100 Series Duct Smoke Detector
Replacement Power Board
INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
A5064: 4-Wire Power Board
A5061: 2-Wire Power Board