Planning - Chamberlain Whisper Drive Security+ 459950 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 12.
• Depending on your door's construction, you may need
additional mounting hardware for the door bracket
(Step 12).
ONE-PIECE DOOR WITHOUT TRACK
Header Wall
Safety Reversing Sensor
ONE-PIECE DOOR WITH TRACK
Safety
Reversing
Sensor
Rail
Access
Door
Safety Reversing
Sensor
Gap between floor
and bottom of door must not exceed 1/4" (6 mm).
Access
Door
Safety
Reversing
Gap between floor
Sensor
and bottom of door
must not exceed 1/4" (6 mm).
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
floor MUST NOT exceed 1/4" (6 mm). Otherwise, the safety
reversal system may not work properly.
• The floor or the garage door MUST be repaired to eliminate
the gap.
Motor Unit
Wall-mounted
Door Control
Trolley Stop Bolt
Header
Bracket
Door Bracket
Header
Wall
CLOSED POSITION
Trolley Stop Bolt
Header
Header
Bracket
Wall
Door
Bracket
Garage
Door
5
CLOSED POSITION
Belt Trolley
Rail
Emergency
Release
Rope & Handle
Curved
Straight
Door
Door
Arm
Arm
Garage
Door
Belt Trolley
Curved
Door Arm
Rail
Emergency
Release
Straight
Rope &
Door
Handle
Arm