Chamberlain 3453135556 manual Safe-T-Beam System Installation, Mounting brackets, shadows, Wiring

3SAFE-T-BEAM ® SYSTEM INSTALLATION

WARNING

There should be no electrical power to the operator while installing Safe-T-Beam System® wires. If you have plugged in the power cord—UNPLUG IT NOW.

NOTE: The operator will not close the door automatically unless the Safe-T-Beam®System is installed.

1.Mounting brackets.

•Mark both sides of garage door frame or wall 5" above floor. (Fig. 3-1).

•Hold bracket against door frame or wall.

–Check brackets extend out from wall far enough that tongue of bracket is beyond door, tracks or any door hardware.

–If not:

- “STB” bracket extensions are available

at local dealer.

-Blocks of wood, etc. may be substituted for extensions.

•Center bracket on your mark (Fig. 3-2).

•Fasten each with 2 screws (44) (Fig. 3-2).

[44] #10"-16 x 1-1/4"

FOR HELP-1.800.929.3667 OR OVERHEADDOOR.COM

mark

FIG. 3-1 Mark door frame.

			tongue
	center of
	bracket
FIG. 3-2 Mount		FIG. 3-3 Attaching
brackets.		“STB’s” to brackets.

SUN

15

NOTE: Mounting brackets can be attached to the floor using concrete anchors (not provided).

2. Mounting “STB” source and sensor.	RED	GREEN	GREEN	RED RED	GREEN
	LED	LED	LED	LED LED	LED

•If garage has only one garage door.

– Determine which side of garage receives most

direct sunlight (Fig. 3-4).	ONE DOOR			TWO DOOR
– Red LED should always be on sunny side	GARAGE			GARAGE
whenever possible (Fig. 3-4).
• For multiple doors.
– Preventing crossed signals is critical.	GREEN		RED RED	GREEN	GREEN		RED
– Place source and sensor modules on adjacent		LED	LED LED	LED		LED	LED
doors facing in opposite directions (Fig. 3-4).
NOTE:To helppreventinterferencefrom sun,“STB”	THREE DOOR
sensors (Green LED) may be placed further away from
	GARAGE

the door opening where they will spend more time in	FIG. 3-4 “STB” locations.
shadows.

•	Slide source/sensor onto tongue of bracket until		Dashed Line = striped wire
	it clicks into place (Fig. 3-3).		Solid Line = white wire
3. Wiring.
•	Routewires (29)using either method shown(Fig. 3-5).	Green	Red	Green	Red
•	Wires along boom are held in place with	Source	Sensor	Source	Sensor
	wire clips.
	[41]
			Power		Power
			Head		Head
	– Wires can be slipped under the wire clips	A		B
	already in place.	FIG. 3-5	“STB” wiring methods.