Summary of the content on the page No. 1
S
e
e
h
t
P
i
a
w
g
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
®
GARAGE DOOR OPENER
Model 3800PC
For Residential Use
Install On Sectional Doors With
Torsion Assemblies Only
Owner’s Manual
■ Please read this manual and the enclosed safety materials carefully!
■ Fasten the manual near the garage door after installation.
®
■ The door WILL NOT CLOSE unless The Protector System and cable tension monitor are
connected and properly aligned.
■ Perio
Summary of the content on the page No. 2
TABLE OF CONTENTS Introduction 2-5Operation 21-27 Safety symbol review and signal word review . . . . . . . . . .2 Operation safety instructions . . . . . . . . . . . . . . . . . . . . . .21 Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Using your garage door opener . . . . . . . . . . . . . . . . . . . .21 Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . .4 Using the wall-mounted door control . . . . . . . . . . . . . . . .22 Tool
Summary of the content on the page No. 3
Planning � The torsion bar must extend at least 1" to 5" Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may (2.5 cm to 12 cm) past the bearing plate. be required. You may find it helpful to refer back to this � An electric outlet is required within 6' (1.8 m) of the page as you proceed with the installation of your opener. installation area. If outlet does not exist, contact a qualified electrician. Depending on your requirements, t
Summary of the content on the page No. 4
1 Preparing your Garage Door Before you begin: To prevent possible SERIOUS INJURY or DEATH: � Disable locks. • ALWAYS call a trained door systems technician if garage � Remove any ropes connected to garage door. door binds, sticks, or is out of balance. An unbalanced � Complete the following test to make sure your garage garage door may not reverse when required. door is balanced and is not sticking or binding: • NEVER try to loosen, move or adjust garage door, door 1. Lift the door about ha
Summary of the content on the page No. 5
LIGHT LOCK Carton Inventory Note that accessories will depend on the model Your garage door opener is packaged in one carton purchased. If anything is missing, carefully check the which contains the motor unit and the parts illustrated packing material. below. Remote Control Visor Clip ® SECURITY✚ 3-Button Remote Control Model 373PC (1) Remote Light (Opener Light) with Hardware Bag Smart Control Panel™ 2-Conductor Bell Wire White & White/Red Power Door Lock 2-Conductor White & White/Black Be
Summary of the content on the page No. 6
ASSEMBLY STEP 1 Attach the Collar to the Motor Unit To prevent possible SERIOUS INJURY OR DEATH, the collar To avoid installation difficulties, do not run the garage MUST be properly tightened. The door may NOT reverse door opener until instructed to do so. correctly or limits may be lost due to collar slip. � Loosen the collar screws. � Attach collar to either the left or the right side of the Figure 1 Collar Screw motor unit. Ensure that the collar is seated all the way on motor shaft until st
Summary of the content on the page No. 7
WARNING WARNING INSTALLATION IMPORTANT INSTALLATION INSTRUCTIONS WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL INSTALLATION WARNINGS AND 7. NEVER wear watches, rings or loose clothing while installing INSTRUCTIONS. or servicing opener. They could be caught in garage door or opener mechanisms. 2. Install garage door opener ONLY on properly balanced and lubricated garage door. An improperly balanced door may 8. Install wall-mounted garage door control: not re
Summary of the content on the page No. 8
NOTICE INSTALLATION STEP 2 Attach the Emergency Release Rope To prevent possible SERIOUS INJURY or DEATH from a falling and Handle garage door: � Thread one end of the rope through the hole in the top • If possible, use emergency release handle to disengage door of the red handle so “NOTICE” reads right side up as ONLY when garage door is CLOSED. Weak or broken springs shown. Secure with an overhand knot at least 1" or unbalanced door could result in an open door falling (2.5 cm) from the end of
Summary of the content on the page No. 9
Figure 1 INSTALLATION STEP 4 Attach the Cable Tension Monitor Opener (Required) Torsion Bar This opener comes standard with the cable tension monitor. It is supplied as a device to monitor the Drum cables for ANY slack that may occur and will reverse the door when excessive slack is detected, eliminating Cable service calls. 2"-6" The cable tension monitor MUST be connected and (5 cm- Cable properly installed before the garage door opener will 15 cm) Tension move in the down direction. Monitor
Summary of the content on the page No. 10
LOCK LOCK LOCK LOCK LIGHT LIGHT INSTALLATION STEP 5 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate door control within sight of door, at a minimum • Be sure power is not connected BEFORE installing door control. height of 5' (1.5 m) where small children cannot reach, • Connect ONLY to 24 VOLT low voltage wires. away from moving parts of door and door hardware. If To prevent possible SERIOUS INJURY or DEATH from a closing installing into drywall,
Summary of the content on the page No. 11
WARNING WARNING IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. This portable luminaire has a polarized plug (one blade is 5. NEVER use with an extension cord unless plug can be fully wider than the other) as a feature to reduce the risk of inserted. electric shock. 6 Do not alter the plug. 2. This plug will fit in a polarized outlet ONLY one way. 7. Light is intended for ceiling mount and indoor applications 3. If the plug does not fit fully in th
Summary of the content on the page No. 12
PERMANENT WIRING CONNECTION Flexible conduit PERMANENT WIRING CONNECTION INSTALLATION STEP 7 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation difficulties, do not run the opener electrocution or fire: at this time. • Be sure power is not connected to the opener, and disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. opener has a grounding type plug with a
Summary of the content on the page No. 13
INSTALLATION STEP 8 Mount the Standby Power Unit (SPU) (not provided) 475LMC Standby Power Unit If the optional 475LMC Standby Power unit is part of this installation it should be installed at this time. � The SPU can be mounted to either the ceiling or a wall within 3' (.9 m) of the motor unit. � Position the SPU as desired to a structural support (ceiling joist or wall stud). � Attach the SPU to the support using the mounting holes on either side of the SPU. � Secure the SPU using the 1-1/2" l
Summary of the content on the page No. 14
INSTALLATION STEP 9 ® Install The Protector System Be sure power is not connected to the garage door opener The safety reversing sensor must be connected and BEFORE installing the safety reversing sensor. aligned correctly before the garage door opener will To prevent SERIOUS INJURY or DEATH from a closing garage move in the down direction. This is a required safety door: device and cannot be disabled. • Correctly connect and align the safety reversing sensor. This required safety device MUST NO
Summary of the content on the page No. 15
INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install DOOR TRACK MOUNT (RIGHT SIDE) Figure 1 and align the brackets so the safety reversing sensors will face each other across the garage door, with the beam no Door Track higher than 6" (15 cm) above the floor. They may be installed in one of three ways,as follows. Lip Indicator Garage door track installation (preferred) (Figure 1): Light � Slip the curved arms over the rounded edge of each door track, with the curved arms
Summary of the content on the page No. 16
MOUNTING AND WIRING THE SAFETY REVERSING Figure 5 SENSORS Wing Nut 1/4"-20 � Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten safety reversing sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed Carriage Bolt by a bracket extension (Figure 5). 1/4"-20x1/2" Lens � Finger tighten the wing nuts. • Run the wires from both safety reversing sensors to the TROUBLESHOOTING THE SAFETY REVERSING open
Summary of the content on the page No. 17
ADJUSTMENT STEP 1 Program the Travel Limits Without a properly installed safety reversal system, persons Travel limits regulate the points at which the door will (particularly small children) could be SERIOUSLY INJURED or stop when moving up or down. Follow the steps KILLED by a closing garage door. below to set the limits. • NEVER learn forces or limits when door is binding or sticking. Repair door first. Figure 1 Indicator • Incorrect adjustment of garage door travel limits will Light Black i
Summary of the content on the page No. 18
ADJUSTMENT STEP 2 Setting the Force Without a properly installed safety reversal system, persons The force setting button is located on the front panel. (particularly small children) could be SERIOUSLY INJURED or The force setting measures the amount of force KILLED by a closing garage door. required to open and close the door. • NEVER learn forces or limits when door is binding or sticking. Repair door first 1. Locate the purple button on the unit (Figure 1). • Too much force on garage door wil
Summary of the content on the page No. 19
ADJUSTMENT STEP 3 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or TEST KILLED by a closing garage door. � With the door fully open, place a 1-1/2" (3.8 cm) board • Safety reversal system MUST be tested every month. (or a 2x4 laid flat) on the floor, centered under the • If one control (force or travel limits) is adjusted, the other garage door. control may also need adjustment. � Operate th
Summary of the content on the page No. 20
NOTICE ADJUSTMENT STEP 5 Test Cable Tension Monitor To prevent possible SERIOUS INJURY or DEATH from a falling garage door: If your cable tension monitor has been activated the • If possible, use emergency release handle to disengage door Indicator Light will blink 9 times. See page 18. ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling ADJUSTMENT STEP 6 rapidly and/or unexpectedly. Test Power Door Lock • NEVER use emergency release ha
