Carton Inventory; Hardware Inventory - Chamberlain Liftmaster Security+ 3900PLD Owner's Manual

Carton Inventory

Your door operator is packaged in one carton which
contains the motor unit and the parts illustrated below.
2-Conductor Bell Wire
White & White/Red
Cable Tension
Monitor with 2-Conductor
Green/White Bell Wires

Hardware Inventory

INSTALLATION HARDWARE
Hex Screw #14-10x1-7/8" (4)
Screw #6x-1-1/4" (2)
Machine Screw #6x1" (2)
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
Pan Head Screw 1/4"-20x1/2" (2)
Hex Head Screw #8x1" (2)
Single Button Control Station
Mounting Bracket
Safety Labels
Literature
Note that accessories will depend on the model
purchased. If anything is missing, carefully check the
packing material.
Safety Sensor
Bracket (2)
Operator
and
Self Tapping Screw #10-32 (2)
Drywall Anchor (2)
Drywall Anchor (Screw-In) (2)
Handle
Rope
Insulated Staples (30)
5
Collar with Screws
®
The Protector System
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with 2-Conductor White & White/Black
Bell Wire attached