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C2494M (12/05) 3
Installation
1
Locate the center point of the mounting location and insert the compass
tool. Draw a circle.
Cut the circle out of the ceiling.
2
Attach the conduit fitting, safety chain bracket, and lock nut. Install a
safety chain/cable (not supplied) that will support up to 16 pounds
(7.3 kg).
3
Open the hinged door to the back box. Push the tab lock towards the
wall of the unit and lift the door open. Pull power, alarm/auxiliary, and
network cable into the back box.
The following are the recommended maximum distances for 24 VAC
applications and are calculated with a 10 percent voltage drop.
(Ten percent is generally the maximum allowable voltage drop for
AC-powered devices.)
NOTE: Input power for the dome is 24 VAC only. Power consumption
is 36 VA per dome. Use a 24 VAC transformer with a minimum of
36 VA per dome.
Total
VA
20 AWG
(0.5 mm
2
)
18 AWG
(1.0 mm
2
)
16 AWG
(1.5 mm
2
)
14 AWG
(2.5 mm
2
)
36 79 ft
(24 m)
125 ft
(38 m)
199 ft
(60 m)
316 ft
(96 m)