Chamberlain LM550EVGBSA, Installation And Operating Instructions Manual, Page: 8 / 44

Rope
Manual release
warning label
Release handle
Overhand knot
THE RELEASE HANDLE & CORD 8
7
Unlock
NOTE: Ensure the Key Lockable Release is not locked.
To disengage the opener
Pull the release cord down firmly,
(opener will make a clicking noise).
To re-engage the opener
Pull the release cord down firmly,
(opener will make a clicking noise).
Disable all locks and remove any ropes connected to the garage door.
Take care when operating the manual release as an open door may fall rapidly due to weak or
broken springs, or being out of balance.
OPERATING THE MANUAL RELEASE
10
The use of the Key Lockable Release is
for use in Commercial Applications
ONLY, and not to be used when installed
in a residential Application.
An alternative exit path from the
building MUST BE AVAILABLE when
using the Key Lockable Feature .
The manual release mechanism enables the door to be
manually operated during power outages or in an emergency.
The RED Manual Release cord is preassembled to the
opener. When the opener is installed the handle should be no
higher then 1.8 metres from the floor. The cord may need to
be extended.
DO NOT DISENGAGE THE OPENER TO MANUAL
OPERATION WITH CHILDREN , PERSONS OR
OTHER OBJECTS INCLUDING MOTOR VEHICLES
WITHIN THE DOORWAY : (The door is under significant
tension and if the door has developed a fault or incorrect
tension, it may be unsafe and may fall rapidly.)
Lock or unlock
as required
Insert key into
Release Handle
8 mm allen key
(not provided)
• Turn OFF the opener mains power (so the door
cannot be activated).
• Insert the key into the Maual Release handle and
Lock or Unlock as required (an 8 mm allen key
can be used to extend the handle if needed).
• Keep the key in a safe place.
• Two keys are provided, if a replacement is needed,
refer to a locksmith.
9
KEY LOCKABLE RELEASE