Installation; Important Installation Instructions - Chamberlain Merlin MJ3800R Installation And Operating Instructions Manual

CHAIN ALIGNMENT CONSIDERATION
Before installing, consider the relationship between the
opener and door in terms of the chain connection.
Clearances are indicated below to demonstrate the
range of sprocket positions available. Choose your
opener mounting location based on the drawing below.
Outboard
(conventional)

IMPORTANT INSTALLATION INSTRUCTIONS

To reduce the risk of SEVERE INJURY or
1. READ AND FOLLOW ALL INSTALLATION
WARNINGS AND INSTRUCTIONS.
2. Install door opener ONLY on properly balanced and
lubricated door. An improperly balanced door may not
reverse when required and could result in SEVERE
INJURY or DEATH.
3. ALL repairs to cables, spring assemblies and other
hardware MUST be made by a trained door systems
technician BEFORE installing opener.
4. Disable ALL locks and remove ALL ropes connected
to the door BEFORE installing opener to avoid
entanglement.
5 Mount emergency release handle no higher than 1.8m
above floor.
6. NEVER connect the door opener to power source
until instructed to do so.

INSTALLATION

Inboard
(no side room)
WARNING WARNING
7.NEVER wear watches, rings or loose clothing while
nstalling or servicing opener. They could be caught in
i
the door or opener mechanisms.
8. Install wall-mounted door control:
• within sight of the door.
• out of reach of children at minimum height of 1.5 m.
• away from ALL moving parts of the door.
9. Place entrapment warning label on wall next to multi-
function door control.
10.Place manual release/safety reverse test label in plain
view on inside of the door.
11.Upon completion of installation, test safety reversal
system. Door MUST reverse on contact with a 40mm
(1 1/2") high obstacle placed on the floor.
6
DEATH: