Chamberlain PD210 -1/2 HP, PD212 -1/2 Planning, SECTIONAL DOOR INSTALLATION, SECTIONAL DOOR INSTALLATIONS

Planning

Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener.

Depending on your requirements, there are several installation steps which may call for materials or hardware not included in the carton.

•Installation Step 1 – Look at the wall or ceiling above the garage door. The header bracket must be securely fastened to structural supports.

•Installation Step 5 – Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware may be required.

•Installation Step 10 – Depending upon garage construction, extension brackets or wood blocks may be needed to install sensors.

•Installation Step 10 – Alternate floor mounting of the safety reversing sensor will require hardware not provided.

•Do you have an access door in addition to the garage door? If not, Model 7702CB Outside Quick Release is required. See Accessories page.

•Look at the garage door where it meets the floor. Any gap between the floor and the bottom of the door must not exceed 1/4" (6 mm). Otherwise, the safety reversal system may not work properly. See Adjustment Step 3. Floor or door should

be repaired.

SECTIONAL DOOR INSTALLATIONS

•Do you have a steel, aluminum, fiberglass or glass panel door? If so, horizontal and vertical reinforce- ment is required (Installation Step 11).

•The opener should be installed above the center of the door. If there is a torsion spring or center bearing plate in the way of the header bracket, it may be installed within 4 feet (1.22 m) to the left or right of the door center. See Installation

Steps 1 and 11.

•If your door is more than 7 feet (2.13 m) high, see rail extension kits listed on Accessories page.

SECTIONAL DOOR INSTALLATION

Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 24 for details.

FINISHED CEILING

	Support bracket &
	fastening hardware
Slack in chain tension	is required.
	See page 17.
is normal when
garage door is closed

Header Wall

	—	Vertical
	—
		Centerline
	—
		of Door
	— — —
	— —
	Gap between floor
Safety Reversing Sensor	and bottom of door
	must not exceed 1/4"

			Motor unit
	Extension
Torsion OR	Spring
Spring
Wall-
mounted Access
Door	Door
Control
	Header	Cable Pulley	CLOSED POSITION
	Bracket	Bracket	Trolley
	Garage
	Door
	Spring
		Straight	Emergency
		Door
Safety		Arm	Release
Reversing			Rope & Handle
Sensor		Curved
	Header	Door
		Arm
	Wall
	Door Bracket
	Garage
	Door

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