LiftMaster MAST Owners Manual - Page 5

Introduction

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INTRODUCTION » FEATURES + TOOLS NEEDED + OPERATOR SPECIFICATIONS FEATURES • Full service controller with eight inputs and LED indicators for loops, card reader, radio, etc. • Reversible arm direction for right or left handed operation. • Instant Reverse Device (IRD) monitor senses obstructions during motion. • Fail safe (auto open on AC power failure). • Raise gate input memory will memorize multiple vehicles - ideal for bar code scanners and AVI. • Ability to STOP arm in close travel if tail-gating is sensed at close loop. • Anti-tail gate alarm - fires K1 relay to trigger a warning device when tail-gating is sensed. • SAMS with "memory" - allows Mega Arm to open a slide/swing gate first then raises arm. • Dynamic motor braking to preserve arm positioning. • Direct drive gear reducer eliminates many parts that might otherwise fail. • State of the art MOSFET motor drive technology, NO contactors or relays. • Soft start and stop in open and close travel motions. • No limit switches to fail - uses magnetic (Hall Effect) sensors to monitor arm position. • Maximum Run Timer for motor with anti-tamper protection in closing direction. • Each operator configurable as primary or second operator. • LED diagnostics for easy troubleshooting. • Adjustable Timer-To-Close with on/off selection. • Transient voltage protection on all inputs. TOOLS NEEDED During assembly, installation, and adjustment of the operator, the tools listed below may be needed. • Wrench or Socket Set • Phillips Head Screwdriver • C Clamps • Level • Small Screwdriver • T25 Torx Head Screwdriver OPERATOR SPECIFICATIONS This model is intended for use in vehicular gate applications. • High torque 24 volt Permanent Magnet DC motor • On 120 Vac installations, unswitched duplex outlet gives convenient supply for 120 Vac accessories • Built in battery run - inherent 24 Vdc backup power with regulated 24 Vdc for accessories • Capable of being powered from 120 or 230 Vac, or UL Listed Class 2 Solar Power • Break away mount design for the 12-15 foot x 3 inch tubular aluminum barrier arm • Heater option MUST be used if temperature is 30° or below. Heater option available for 120 Vac operators ONLY. Refer to Accessories page. • All rust proof aluminum construction with white powder coat baked on enamel. Molded Polyethylene UV stabilized cover never needs wax or paint (excludes towers). 15-3/4" MEGA ARM PEDESTAL 3-1/2" 13-1/2" 20-1/4" FRONT VIEW 41-1/2" 20-1/4" SIDE VIEW 21-1/2" 41-1/2" 36-1/2" MEGA ARM TOWER 3-1/2" 13-1/2" FRONT VIEW 42" SIDE VIEW 42" 36-1/2" 5" 4" 17-1/2" 9" 8" 13-1/2" 14-1/4" 5

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5
•
Full service controller with eight inputs and LED indicators for loops, card reader,
radio, etc.
•
Reversible arm direction for right or left handed operation.
•
Instant Reverse Device (IRD) monitor senses obstructions during motion.
•
Fail safe (auto open on AC power failure).
•
Raise gate input memory will memorize multiple vehicles – ideal for bar code
scanners and AVI.
•
Ability to STOP arm in close travel if tail-gating is sensed at close loop.
•
Anti-tail gate alarm - fires K1 relay to trigger a warning device when tail-gating is
sensed.
•
SAMS with “memory” - allows Mega Arm to open a slide/swing gate first then
raises arm.
•
Dynamic motor braking to preserve arm positioning.
•
Direct drive gear reducer eliminates many parts that might otherwise fail.
•
State of the art MOSFET motor drive technology, NO contactors or relays.
•
Soft start and stop in open and close travel motions.
•
No limit switches to fail - uses magnetic (Hall Effect) sensors to monitor arm
position.
•
Maximum Run Timer for motor with anti-tamper protection in closing direction.
•
Each operator configurable as primary or second operator.
• LED diagnostics for easy troubleshooting.
• Adjustable Timer-To-Close with on/off selection.
• Transient voltage protection on all inputs.
• Wrench or Socket Set
• Phillips Head Screwdriver
• C Clamps
FEATURES
INTRODUCTION »
FEATURES + TOOLS NEEDED + OPERATOR SPECIFICATIONS
• Level
• Small Screwdriver
• T25 Torx Head Screwdriver
TOOLS NEEDED
During assembly, installation, and adjustment of the operator, the tools listed below may be needed.
This model is intended for use in vehicular gate applications.
•
High torque 24 volt Permanent Magnet DC motor
•
On 120 Vac installations, unswitched duplex outlet gives convenient supply
for 120 Vac accessories
•
Built in battery run - inherent 24 Vdc backup power with regulated 24 Vdc
for accessories
•
Capable of being powered from 120 or 230 Vac, or UL Listed Class 2 Solar
Power
•
Break away mount design for the 12-15 foot x 3 inch tubular aluminum
barrier arm
•
Heater option MUST be used if temperature is 30° or below. Heater option
available for 120 Vac operators ONLY. Refer to Accessories page.
•
All rust proof aluminum construction with white powder coat baked on
enamel. Molded Polyethylene UV stabilized cover never needs wax or paint
(excludes towers).
OPERATOR SPECIFICATIONS
FRONT VIEW
41-1/2"
20-1/4"
15-3/4"
9"
41-1/2"
20-1/4"
8"
13-1/2"
21-1/2"
3-1/2"
36-1/2"
17-1/2"
4"
5"
SIDE VIEW
MEGA ARM PEDESTAL
MEGA ARM TOWER
42"
13-1/2"
14-1/4"
36-1/2"
42"
13-1/2"
3-1/2"
FRONT VIEW
SIDE VIEW