System Sensor DH500 User Manual
Page 10
D500-08-00
10
I56-512-07R
18. Put detector into alarm using appropriate method
described in STEP 7. PERFORM DETECTOR CHECK
(page 7 of this manual).
19.
Notify the proper authorities that testing has been
completed and the smoke detector system is again
operational.
20.
Other checks that should be made during mainte-
nance procedures:
–Holes or cracks in duct work near vicinity of detec-
tor
–Air leaks where detector housing or sampling tubes
are attached to duct
–Dust accumulations in or on sampling tubes
–Wiring terminal screw tightness
Accessories
Part No.
Remote LED
RA400ZA
Remote Test Station
RTS451/RTS451KEY
Piezo Alert Sounder
PA400
Replacement Filters
F36-05-00
Magnet
M02-04-00
End Plug For Sampling Tube
P48-21-00
Installation Kit (Parts bag)
A2650-01
Ionization Replacement Screen
RS14
Sensitivity Test Kit
MOD400
Ionization Cover Removal Tool
CRT400
Programming Specifications/Requirements for
Intelligent System Control Panels
The 1551 and 2551 models can be used with the DH500 if
the following constraints are observed.
There is a limit to the number of devices per zone that can
have their LEDs latched ON. The actual number of devices
is determined by the control panel and its ability to supply
LED current. Refer to the equipment manual supplied by
the control panel manufacturer for details.
CAUTION