Planning - Chamberlain HD200CD Security+ Owner's Manual

Planning (Continued)
ONE-PIECE DOOR INSTALLATIONS
• Generally, a one-piece door does not require
reinforcement. If your door is lightweight, refer to the
information relating to sectional doors in Installation
Step 11.
• Depending on your door's construction, you may need
additional mounting hardware for the door bracket
(Step 11).
ONE-PIECE DOOR WITHOUT TRACK
Header Wall
Safety Reversing
Sensor
ONE-PIECE DOOR WITH TRACK
Gap between fl oor and
bottom of door must not
Safety Reversing
exceed 1/4" (6 mm).
Sensor
Rail
Safety Reversing
Gap between fl oor and
Sensor
bottom of door must not
exceed 1/4" (6 mm).
Access
Door
Safety
Reversing
Sensor
Without a properly working safety reversal system,
persons (particularly small children) could be
SERIOUSLY INJURED or KILLED by a closing garage
door.
• The gap between the bottom of the garage door
and the fl oor MUST NOT exceed 1/4" (6 mm).
Otherwise, the safety reversal system may NOT
work properly.
• The fl oor or the garage door MUST be repaired to
eliminate the gap.
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 15.
Chain
Wall-mounted
Door Control
Access
CLOSED POSITION
Door
Header Bracket
Door Bracket
Header
Wall
CLOSED POSITION
Rail Tab
Header
Wall
Header Bracket
Door
Bracket
Garage Door
5
Motor unit
Rail Tab
Cable
Rail
Curved
Straight Door Arm
Door Arm
Garage Door
Trolley
Cable
Curved
Door Arm
Straight Door Arm
Trolley
Emergency
Release Rope
& Handle
Rail
Chain
Emergency
Release Rope
& Handle