Installation
Refer to the illustration below for the recommended mount-
ing positions. When selecting an appropriate mounting po-
sition, keep in mind the potential for air drafts or objects to
be passed through gaps around the door and into the detec-
tion area.
The cable entry opening into the T.REX is on the right back
side, near the cover retaining screw. There is a recess in the
back of the T.REX to allow wires to be routed from any point
behind the T.REX to the cable entry opening.
First, remove the cover, then remove the detector barrel from
the back casing by rotating the barrel upward. Route the
wiring into the back casing.
Next, mount the back casing to the wall. Install the detector
barrel into the back casing and connect the wiring. This is a
good time to modify the jumper settings if necessary; the
jumper settings are explained on next page. Make sure that
the barrel is free to rotate, to permit final adjustment. Re-
place the cover, left end first (the end with 2 hooks).
Jumper Settings
There are a total of 7 jumpers on the left side of the circuit
board. By default, all jumpers are ON.
LED Jumper
This jumper selects whether or not the LED changes colour
when the main relay is activated. By default, the LED is
enabled to follow the relay activation.
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