Chamberlain 1146, 1160, 80ad Planning, Sectional Door Installations, Opener ARM Mounting Location

Planning				•	Do you have an access door in addition to the
Identify the type and height of your garage door.					garage door? If not, Model T7012 Emergency
					Access Device is required.
Survey your garage area to see if any of the
				SECTIONAL DOOR INSTALLATIONS
conditions below apply to your installation. Additional
materials may be required. You may find it helpful to				•	Do you have a steel, aluminum, fibreglass or glass
refer back to this page and the accompanying					panel door? If so, horizontal and vertical reinforce-
illustrations as you proceed with the installation of					ment is required (Installation Step 11).
your opener.				•	The opener is normally installed at the centre of
Depending on your requirements, there are several
					the door. If there is a torsion spring or centre
installation steps which may call for materials and/or					bearing plate in the way of the header bracket or
hardware not included in the carton.					door bracket area, the opener may be installed
• Installation Step 1 – Look at the wall or ceiling					within 300mm to the left or right of the door centre.
above the garage door. The header bracket must					See Installation Steps 1 and 11.
be securely fastened to structural supports.				•	Look at the garage door where it meets the floor. It
• Installation Step 5 – Do you have a finished ceiling					must close on the floor all the way across.
in your garage? If so, a support bracket and					Otherwise, the safety reverse system may not work
additional fastening hardware may be required.					properly. See Adjustment Step 3. Floor or door
B&D recommends the use of safety infrared					should be repaired.
reversing sensors on all installations of				OPENER ARM MOUNTING LOCATION
automatic garage door openers.				Must be mounted on a stile. Add an additional stile if
• Installation Step 10:
				required or offset mount the opener (see below and
– Depending upon garage construction, extension				page 5). Attach arm 1/3 panel height from top at 10O
brackets or wood blocks may be needed to				as shown.
install the infrared safety sensors.
– Alternate floor mounting of the infrared safety
sensors will require hardware not provided.
Sectional Door Installation			FINISHED CEILING
Horizontal and vertical reinforcement			Support bracket &
			fastening hardware
is needed for lightweight garage doors			is required.
(fibreglass, steel, aluminum, door with			See page 17.
glass panels, etc.).									Excess MUST
See page 21 for details.
									be removed
							Motor Unit
	Header Wall
									10o
		10o							1/3
					Extension Spring				Height
									Panel
				OR
Centre Stile			Torsion Spring			Access
	—					Door			Re-enforcement
optimum
	—	Door
location for			Must be attached below
attachment	—	Centre	Panel Re-enforcement
			if used.
	—								CLOSED POSITION
	—					Header	Header
	—
						Bracket	Sleeve Bracket		Rail Assembly
			Safety					Trolley
	—		Reversing
			Sensor
	—
							Garage		Emergency
							Door		Release
	Gap between floor and bottom of						Spring		Rope & Handle
	door must not exceed 6mm.							Straight
Safety Reversing Sensor								Door
								Arm
								Curved
					Header			Door
								Arm
					Wall	Door
					Garage
						Bracket
114A2845			4		Door