LiftMaster 3900 Support Question
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Question posted by Anonymous-39634 on October 6th, 2011
Price
how much is a 3900pld security and door opener?
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Related LiftMaster 3900 Manual Pages
3900PLD Manual - Page 1
®
DOOR OPERATOR Model 3900PLD
For Light Duty Commercial Use Install On Sectional Doors With Torsion Assemblies Only
The Chamberlain Group, Inc. 845 ... read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the door after installation. ■ The door WILL NOT CLOSE unless The Protector System® and cable tension monitor are
connected and properly ...
3900PLD Manual - Page 2
...safety instructions 7 Position the operator 7 Attach the emergency release rope and handle 8 Install power door lock (Not Provided 8 Attach the cable tension monitor (Required 9 Install the single button ...monitor 20 To open door manually 20
Operation
21-25
Operation safety instructions 21 Using your door operator 21 Care of your garage door and/or the garage door operator if you ...
3900PLD Manual - Page 3
... or inspect proposed installation area. Must have minimum of 8" (20.3 cm) between floor
Sensor
and bottom of door must not exceed 1/4" (6 mm). If outlet does not exist, contact a qualified electrician.
• Depending upon...: Inspect the torsion bar while the door is no more than 14' (4.2 m) high.
• 4"-6" (10 cm - 15 cm) drums, not to the garage, as you proceed with an external ...
3900PLD Manual - Page 6
...are for easy access. ASSEMBLY STEP 1
Attach the Collar to the Operator
To avoid installation difficulties, do not run the door operator until stop is reached (Figure 1).
• Position the collar so that the collar is seated all the way ... are facing up for left or the right side of collar screws equally to secure collar to the torsion bar).
• Tighten both sides of the operator.
3900PLD Manual - Page 7
... collar screws from ALL moving parts of children at the marked locations. Install wall-mounted door control:
• within sight of the door.
• out of reach of the door.
9. Install the entrapment warning placard next to wall.
6. Fasten bracket securely with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on properly balanced and lubricated...
3900PLD Manual - Page 8
... is used to the outside of the garage door track with an overhand knot. The second roller up from being manually opened once the door is fully closed.
1. Use insulated staples to motor unit. Secure with hardware provided.
5. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. • NEVER...
3900PLD Manual - Page 9
...properly installed before the door operator will reverse the door when excessive slack is detected.
2. It is on the same side of the door as a device to secure wire in tab with...
Cable
2"-6" (5 cm15 cm)
Cable Tension Monitor
1/8"-1/4" (3 mm-6 mm)
Cable Tension Monitor Roller
With Door Closed Preferred Orientation
Figure 2
Wall Drum
Cable
Figure 3
3/4" Min. (18 mm Min.)
WHT/GRN
WHT...
3900PLD Manual - Page 12
... to proper length and strip insulation.
• Attach with wire nuts provided.
• Properly secure wire under plastic ties so that wire does not come in contact with ALL local electrical and ...• Install a 90o conduit or flex cable adapter to establish permanent wiring connection.
• Door installation and wiring MUST be in the back of the operator (according to local code):
•...
3900PLD Manual - Page 14
... and cannot be securely fastened to a ... accessories) are designed to full open position, and the operator lights will detect an obstacle in the path of sectional doors without additional hardware. If installing ...installed inside the garage
14
Safety Reversing Sensor 6" (15 cm) max. above floor
Invisible Light Beam Protection Area
Facing the door from a closing door: • Correctly...
3900PLD Manual - Page 15
... 1.
Install and align the brackets so the safety reversing sensors will not support the bracket securely, wall installation is disconnected.
Be sure all door hardware obstructions are cleared.
• Fasten to the floor with curved arms facing the door.
INSTALLING THE BRACKETS
Be sure power to the operator is recommended. It should lie...
3900PLD Manual - Page 16
...3. If the green indicator light in the white or white/black wires.
Use insulated staples to secure wire to the operator.
• A short in the receiving eye is off, dim, or ... the invisible beam path is obstructed or misaligned while the door is already open wire to grey (Figure 6). If the door is closing, the door will glow regardless of alignment or obstruction. The indicator lights...
3900PLD Manual - Page 17
.... Black moves the door UP (open) and purple moves the door DOWN (close ) limit and the door should open ) limit and begins closing door.
• NEVER learn forces or limits when door is at desired UP position
BLACK PURPLE
Figure 3
Figure 4
BLACK
PURPLE
Push either the black or purple button. NOTE: Make sure the door opens high enough for...
3900PLD Manual - Page 18
... operation of force required to open and close the door fully, inspect the door to be SERIOUSLY INJURED or KILLED by a closing door.
• NEVER learn forces or limits when door is not sticking or binding. Door MUST reverse on floor. If the garage door opener cannot open (UP).
4. Repair door first
• Too much force on door will open and close the...
3900PLD Manual - Page 19
... direction. Safety Reversing Sensor
Safety Reversing Sensor
19 ADJUSTMENT STEP 3
Test the Safety Reversal System
TEST • With the door fully open the door. • Place the operator carton in the path of the door. • Press the remote control push button to close from a remote if the indicator light in either sensor is...
3900PLD Manual - Page 24
Door loses limits. • Collar not tightened securely. Tighten collar (see Assembly Steps 1 and 2) and reprogram limits (see Adjustment Step 1).
14....; If a Standby Power Unit is normal for this product. The operator moves when the door is in operation: • Some minor movement is connected, the operator should be opened and closed manually. Having a Problem? (Continued)
12.
3900PLD Manual - Page 25
...dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. • Verify door track is not lit on the safety reversing sensors do not light, ...wire open (broken or disconnected).
Installed Safety Reversing
Sensor
Your garage door operator is overheated.
If motor unit activates,
replace door control. • If motor unit does not activate, disconnect door control...
3900PLD Manual - Page 26
...door to the door closing will not close from a hand-held remote control. Reprogram each remote or keyless entry you wish to operate it. Release the button when the learn " button on the hand-held Remote Control (Not Provided)
Below are now erased. To replace battery, use .
1. Tested to pry open...is subject to operate other Security✚® door operators. If the safety ...
3900PLD Manual - Page 27
... hours this temporary PIN expires and will blink once when the PIN has been learned. The door should move. It can be changed by one person without using a ladder. 1. Press and... buttons for 30 seconds.
2. The motor unit lights will no longer open the door. After a programmed number of hours or number of your garage door operator. To Add, Program or Change a Keyless Entry PIN (Not...
3900PLD Manual - Page 28
... turns on light until LED comes ON.
2. Activate the door using the Single Button Control Station (or hand-held remote control or keyless entry, if programmed).
3. Follow the instructions below to operate with the door operator. Programming Remote Light (Not Provided)
The garage door operator remote light will need to be programmed to program...
3900PLD Manual - Page 30
... area is obstructed.
Power Door Lock: Enables the end ...the torsion bar in their door operator remote or from being manually opened once closed.
30 ACCESSORIES
...41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto the wall or floor.
475LM
377LM
Keyless Entry with Security✚® :
Enables end user to operate door...
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