[8] Model DH400ACDC Air Duct Smoke Detector Specifications
Description
HVAC air duct mounted ionization or photoelectronic smoke detector for separately powered systems or stand alone sys-
tems. Auxiliary alarm relay contacts provide fan contactor shutdown to prevent HVAC circulation of smoke.
Environmental Limits
Temperature: 32°F to 120°F
0°C to 49°C
Humidity: 10% to 93% R.H. non-condensing
Air Velocity: 500 to 4000 Ft/min.
1.5 to 20.3 m/sec.
Test Features
Magnetic test switch, magnetic reset switch, MOD400R test module (optional), RTS451 Remote Test Station (optional).
Mechanical Specifications
Length: 14.5 inches 37 cm
Width: 5 inches 13 cm
Depth (installed): 4 inches 10 cm
Weight: 4 pounds 1.8 kg
Terminals
Captive universal terminal screws with sems plates accept wire sizes of 14 gauge or smaller. The screws can withstand 10
in-lbs of tightening torque without damage.
Accessories
MOD400R Sensitivity Test Module
RA400Z Remote Annunciator
RTS451/RTS451KEY Remote Test Station, test & reset switch with alarm LED
PA400 Piezo Sounder
APA451 Annunciator with piezo, alarm & power LEDs
CRT400 Cover Removal Tool (Ion only)
F36-05-00 Replacement Air Filter (two per package)
M02-04-00 Replacement Test Magnet
P48-21-00 Replacement End Plug for inlet sampling tube
R59-18-00 Replacement Calibrated Test Card (For photo units only)
RS14 Replacement Screen, Ion
RS24 Replacement Screen, Photo
A2650-01 Replacement Installation Kit (mounting hardware)
Sampling (Inlet) Tubes
TUBE OUTSIDE DUCT WIDTH
ST-1.5 1 to 2 feet (0.3 to 0.6 m)
ST-3 2 to 4 feet (0.6 to 1.2 m)
ST-5 4 to 8 feet (1.2 to 2.4 m)
ST-10 8 to 12 feet (2.4 to 3.7 m)
Exhaust Tube Extension
A2440-00 5.75 in. (14.6 cm.) additional
D400-13-00 12 I56-555-08
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