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UNIT OVERVIEW

The LiftMaster model MEGA SLIDE UL slide gate operator is
unique in the industry. Setting the MEGA SLIDE UL apart are
many features that make it the front runner in its class. With
standard features like:

Built in battery run - inherent 24 VDC backup power with
regulated 24 VDC for accessories.

High torque 1/2 HP 24 volt Permanent Magnet DC motor.

Full service controller with eight inputs and LED indicators for
loops, card reader, radio, etc.

Continuous duty operation for most types of gates.

Reversible gate direction for right or left handed operation.

Instant Reverse Device 

(IRD)

monitor senses obstructions

going open and close.

Automatic open of gate when power is lost if desired (with 15
second delay selection).

ANTI-TAIL GATE with QUICK CLOSE feature STOP gate in close
travel if tail-gating is sensed

Upon complete system failure (lightning, surges, etc.) gate can
be pushed open by hand.

All rust proof aluminum construction with baked on powder
coat enamel.

Molded Polyethylene UV stabilized cover never needs wax or paint.

Direct drive gear reducer eliminates many parts that might
otherwise fail.

• Microprocessor

(RISC) based electronics with watch dog reset

timer.

State of the art MOSFET motor drive technology, NO contactors
or relays.

Dynamic motor braking to preserve gate stopping points.

Soft start and stop in open and close travel motions.

High reliability micro switches actuate through nylon limit nuts
on a precision ground shaft.

Maximum Run Timer for motor (MRT) with anti-tamper
protection in closing direction.

Each unit configurable as master or second operator.

Safe 24 VDC low voltage motor and control wiring.

Open architecture PCB with space for OVERDRIVE CPU for
future expanded options.

LED diagnostic center for easy on-site trouble shooting.

Closing timer adjustable from 1-31 seconds with on/off selection.

Tranzorb diodes on all inputs for protection against transient
voltage spikes.

Capable of being powered by 120 VAC, 220 VAC or Solar power,
standard.

Unswitched duplex outlet gives convenient supply of 120 VAC
for transformers and 120 VAC accessories.

Maximum weight of 

1000 lbs.

Maximum length of 

30'

. (Free

moving operation)

• 10

year perforation warranty on cover and chassis with 

2

years

on electronics and mechanism.

Input for safety edge device to reduce the possibility of
entrapment – recommended.

Input for non-contact sensing device (photo beam) for
secondary entrapment protection.

• UL Listed

device. (Standards certified by UL are UL-325, UL-991)

PRE-INSTALLATION NOTES

NOTE:

Before attempting any part of the installation, you must

read the entire instruction manual first and agree to the
stipulations stated on the warranty page.

Proper design:

Is important in your system layout and

installation. Safety devices must be used at all available points
where injury or property damage may occur. For protection from
injury to persons, use photo electric eyes on both sides of gate
and pressure sensing edges at all pinch points and at the front
leading edge of the gate. Safety loops (vehicle detectors) should
be installed in front of and behind the gate to provide a reverse
signal or stop signal to the gate operator. On cantilever gates, all
wheels should be enclosed so that fingers cannot reach pinch
points between the gate and wheels. All safety devices should be
tested and inspected weekly. If a safety device is not operating
correctly, the unit should be disabled until repair can be made by
a properly trained/experienced service company. 

As the system designer/installer, you must advise your
customer/end user on the correct usage of the gate operator and
the system. In providing the service of design/installation of the
operator and system, you are responsible for proper training of
the customer as well as for the proper SAFE OPERATION. All
precautions to eliminate ALL hazards MUST be taken before the
unit can be put into operation. You MUST advise and warn your
customer of any hazards that remain or if they choose to not use
any of the recommended safety devices in the installation.

You are strongly advised to get in writing from you customer
their acceptance of your system and acceptance of any hazards
that remain.

SAFETY TIPS:

1)

Install the warning signs provided so that they are CLEARLY
VISIBLE any one in the area of the gate. (should your customer
reject the usage of warning signs, you will need to have them
sign a disclaimer).

2)

Install any and all devices that will open or close the gate so
that the entire gate and operator will be in full view by the
person operating the gate.

3)

DO NOT ALLOW any control device to be located so that a
person can access them by reaching through the gate pickets.
Devices must be at least 10' from gate and gate operator.

4)

Installing a pressure sensing edge (safety edge) at front of
gate to reduce the possibility of entrapment (use J5 terminal
#5 and common).

UL-325 56.8.4 (B, D, C, D, F). 

Only install this operator on gates

used for vehicles. Pedestrians must be supplied with separate access
opening. Install in a location so that enough clearance is supplied
between the gate and adjacent structures so that when opening and
closing to reduce the risk of entrapment. Gate must be properly
installed and work freely in both directions prior to the installation of
the gate operator. Do not turn down (IRD) primary entrapment current
sensor to compensate for a damaged gate. Controls must be far
enough from the gate so the user is prevented from coming in contact
with the gate while operating the controls. Controls used to reset an
operator after 2 sequential activations of the entrapment protection
device or devices must be located in the line-of-sight of the gate.

CAUTION:

For use on a gate with a max. weight of 1000 lbs. and a

max. length of 30'. No binding is allowed, gate must be free moving in
both directions. It is highly recommended that high quality wheels
with sealed bearings be used for all applications.

Summary of Contents for LIFTMASTER PROFESSIONAL MSLDCBB

Page 1: ...unit must only be installed by an experienced technician Disconnect AC power and batteries before servicing IMPORTANT Read and understand Warranty Page first Batteries not included MUST be connected f...

Page 2: ...t Locations 16 MEGA SLIDE UL PARTS LIST Part Numbers and Descriptions 17 Parts Shipped 17 OPERATOR NOTES 18 WARRANTY 19 REPAIR PARTS AND SERVICE 20 TA B L E O F C O N T E N T S IMPORTANT SAFETY INSTRU...

Page 3: ...is class operator is approved for the application of the operator 1 2 3 or 4 required ______ A sphere with a 2 1 4 diameter cannot be pushed through the gate or fixed panel ______ A safety screen mesh...

Page 4: ...erator must be in the line of sight and must be an intended reset Access control devices of any kind that required intended on purpose activation may be used for this reset Devices that will cause an...

Page 5: ...e secondary stop photo beam should be installed along the gate s path that is covered when open Photo beams are to be installed according to their manufacturer s instructions and are to be placed in a...

Page 6: ...ds installed covering all cantilever wheels required All controls located far out of reach of gate fixed panel and operator required This class operator is approved for the application of the operator...

Page 7: ...y to persons use photo electric eyes on both sides of gate and pressure sensing edges at all pinch points and at the front leading edge of the gate Safety loops vehicle detectors should be installed i...

Page 8: ...helf maybe installed after all conduits are cut to proper height and all wiring has been properly routed NOTE Do not attempt to hook up the 120VAC mains if wires are LIVE or HOT Be sure power is off C...

Page 9: ...is input to reset the unit after a 2nd sequential obstruction is sensed and gate is locked with siren running This input normally functions as listed below Acts same as 1 2 3 above with S2 6 off With...

Page 10: ...R any input at J5 with control detectors receivers keypads timers etc wires to it must also be run to the same terminals of the second Along with these control wires both operators MUST share a common...

Page 11: ...delay if activated MODE SELECTIONS SWITCH PACK S2 6 8 SWITCH 6 Sets auxiliary open input terminal 4 at J5 to be pulse open pulse close example residential applications SWITCH 7 AUTO CLOSE TIMER Defaul...

Page 12: ...vel as possible but still ensuring that it will slow down just before reaching the closed position INSTANT REVERSE DEVICE IRD The instant reverse device is an internal circuit that continuously monito...

Page 13: ...can be used with up to 15 rolling code remotes or passwords in HIGH security mode Alternately it can be used with up to 31 of any type remote in NORMAL security mode including any combination of roll...

Page 14: ...the right side of the gate operator frame Once turned off motor will not run and gate can be pushed by hand T R O U B L E S H O O T I N G Flip switch up for normal operation Flip switch down to diseng...

Page 15: ...DEVICE Gate will open when activated by an access control device When timer expires if used gate will close Figure 2 Terminal 5 is safety input Terminals 1 2 and 3 are open inputs DUAL DIRECTION AS E...

Page 16: ...AC XFMR MOTOR RED YEL YEL BLU ORG 24VDC REQULATED F4 F3 1 AMP DC F1 H BEAT BATTERY LOW AC POWER C O N T R O L B O A R D L AY O U T COMPONENT LOCATIONS Accessory power is 24VDC regulated rated at 500...

Page 17: ...BER DESCRIPTION 12 MS014 Siren 100 db 13 MS015 Transformer 110 220 VAC 24VAC 14 MS016 Duplex Outlet MS017 Bolt and Nut 4 Reducer 15 MS018 Idler Pulley Bolt Washer and Nut 16 MS019 120 VAC On Off Switc...

Page 18: ...18 OPERATOR NOTES...

Page 19: ...erating freely or not on level ground The warranty set forth above is entirely exclusive and no other warranty whether written or oral is expressed or implied LiftMaster inc specifically disclaims any...

Page 20: ...andard Time 6 00 A M TO 7 00 P M Monday through Friday 8 00 A M TO 4 30 P M Saturday www liftmaster com WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION PART NUMBER PART NAME MODEL NUM...

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