Servicing all of Greater Charlotte Area

Liftmaster 115v Hoist Logic Operator

Model MH is a Medium-Duty Logic hoist operator. It features an adjustable friction clutch, a standard solenoid brake, a high-starting torque motor, a compact design and an emergency chain hoist with an electric interlock.

MEDIUM-DUTY LOGIC TECHNOLOGY
  • UL325-2010 compliant Medium-Duty Logic programmable integrated circuit board
  • Built-in 3-channel, 315MHz radio receiver accepts up to 20 Chamberlain® – Security+® or unlimited DIP switch remotes.
  • 3-button remotes can be programmed for OPEN/CLOSE/STOP operation
  • Programmable C2 or B2 wiring options (B2 requires CPS-U, CPS-UN4, or CPS-EI)
  • Integrated Timer-to-Close (TTC) allows programming from 5 to 60 seconds in 5-second increments. Allows for timed automatic door closure after the door reaches the full open position (Requires monitored safety devices, with CPS-U, CPS-UN4, or CPS-EI)
  • Integrated 90-second maximum run timer
  • UL325-2010 Monitored Entrapment Capability
  • Monitored protection against transient overvoltage conditions
  • 3-button control station included

Overhead Door RHX™ Heavy Duty Commercial Operators

Sectional Doors:

Standard, Side mount, and Dual Trolley applications. All models come standard with the DC brake system. Side-mount and Center-mount chain couple or direct couple to the door shaft with hoist. Hoist models are left or right-hand adjustable in the field.

Rolling Steel Doors:

With hoist, front of hood, top of hood, bench mount, and wall-mount applications. Hoist models are left or right-hand adjustable in the field.

Motor

Continuous duty motor available in 1/2, 3/4, 1 and 3 horsepower, single or three-phase. Totally enclosed non-ventilated (TENV) construction and totally enclosed fan cooled (TEFC) construction units are available as options. 3 horsepower models come standard with TEFC construction.

On Board Radio Receiver

This standard feature can add radio functionality to every job with no additional cost for the receiver. Stores up to 250 CodeDodger® transmitters including the new commercial dual frequency cycling versions.

Drive Reduction

Primary reduction is worm gear running in oil bath. Secondary reduction is by chain and sprocket.

Direct Coupling (optional on sectional doors only)

Provides fast, easy installation and prevents chain slacking. Available as on optional kit for sectional side/center-mount and hoist units. For sectional, options include:

  • 14 RPM kit
  • 26 RPM kit

Brake System

24V DC Disc Brake. Fewer mechanical parts for improved reliability.

Clutch (standard with trolley; optional with hoist)

Adjustable disc-type helps protect door and operator from major damage should the door meet an obstruction. (Included in 14 and 26 RPM direct couple mounting kits)

Cycle Counter

LCD (Liquid Crystal Display) clearly displays the exact number of cycles logged for easy maintenance support.

Adjustable Shaft

Output shaft of the optional direct coupling kits can be moved from one side to the other, providing flexible installation options.

Trolley Rail Assembly

High strength 2 inch structural angle for added strength and durability.

Warranty

RHX® operator features a 2-year limited warranty. See installation manual for complete limitations and details.

Easy limit setting with Limit Lock™

An electro/mechanical limit sensor that makes it easy to set and maintain limits.

Voltage freedom with Voltamatic™

One unit for single phase voltages (115/208/230V), one unit for three phase voltages (208/230/460V) and one unit for three phase 575V.

Extra door system durability with Progressive Braking

DC brake system brings the door to a soft stop for less wear and tear on the system.

Easy installation and trouble-shooting with 16 character LCD display

intelligent menu structure and expanded self-diagnostics

Advanced radio receiver system with auto seek frequency range

Quickly and easily learns up to 250 CodeDodger® transmitters

This system will automatically cycle between 315 and 390 frequencies. It can add and delete transmitters from the menu and easily identify which transmitters are operating the door.

True gear head system

This system’s primary drive reduction is via worm gear running in oil bath, which provides reliable operation.

  • Patents # 6,737,823 and 6,388,412

Overhead Door RMX™ Medium-Duty Commercial Operator

Motor

Single-phase voltages of 115 Volts AC and 230 Volts AC ½ horsepower

Direct Coupling

Provides fast, easy installation with fewer parts and better structural support

Display

16-character LCD display provides easy-to-read set-up and diagnostics with backlight for low-light conditions

Cycle Counter

Displays the total cycles logged over the operator’s lifetime, to support warranty and service functions

Adjustable Shaft

Output shaft can be moved from one side to the other providing flexible installation options

Independent Timers

Automatic maximum run timer stops the close function if preset run time is exceeded, allowing for inspection

Control Systems

On-board Open, Close and Stop buttons make set up and testing simple, saving time during installation

Automatic Set-Up Boards With Socket Lock Protection

Prevents accidental wiring errors through “plug and play” technology

Control Buttons

Call Mode/Run Mode

Backlight

Scroll Up/Down

Set/Clear

Automatic Tensioning Belt

No adjustment is needed, belt automatically adjusts itself to the correct tension

Exterior Radio Hookups

For fast, simple RF connectivity to enable remote door operation

Overhead Door RSX™ Standard Duty Commercial Operator

Mounting

Sectional Doors:

Trolley, Sidemount Trolley, and Dual Trolley. Trolley available without brake on ½ HP models. Sidemount and Centermount direct couple to the door shaft with or without hoist. Hoist models are left or right-hand.

Rolling Steel Doors:

With or without hoist, front of hood, top of hood, wall mount. Hoist models are left-hand or right-hand.

Motor

Continuous duty motor available in 1/2, ¾ and 1 horsepower, single or three-phase. Totally enclosed non-ventilated (TENV) construction, and totally enclosed fan cooled (TEFC) construction units are available as options.

On Board Radio Receiver

This standard feature can add radio functionality to every job with no additional cost for the receiver.

Drive Reduction

Primary reduction is SuperBelt™, an auto tension poly-V flex belt that does not require adjustment. Secondary reduction is by chain and sprocket.

Direct Coupling

Provides fast, easy installation with fewer parts and better structured support. Prevents chain slacking. Available on sectional side/centermount jackshaft and hoist units.

Mechanical Brake System

24V DC Disc Brake. Fewer mechanical parts for improved reliability.

Clutch

Adjustable disc-type helps protect door and operator from major damage should the door meet an obstruction.

Cycle Counter

LCD (Liquid Crystal Display) clearly displays the exact number of cycles logged for easy maintenance support.

Adjustable Shaft

Output shaft can be moved from one side to the other providing flexible installation options.

Trolley Rail Assembly

High strength 2” rolled angle track for strength and durability.

Nema 4/4X Operators

Available for wet, dusty, and corrosive environments.

Warranty

RSX® operator features a 2-year or 20,000 cycle limited warranty.

Models

RSX® Trolley – Sectional Door

RSX® Jackshaft – Sidemount / Sectional Door

RSX® Jackshaft with and without Hoist – Rolling Steel

Easy Limit Setting With Limity Lock™

an electro/mechanical limit sensor that makes it easy to set and maintain limits

Voltage Freedom With VOLTAMATIC™

one unit for single phase voltages (115/208/230V), one unit for three phase voltages (208/230/460V) and one unit for three phase 575V

Extra Door System Durability With Progressive Breaking

DC brake system brings the door to a soft stop for less wear and tear on the system

Easy Installation and Trouble-Shooting With 16 Character LCD Display

Intelligent menu structure and expanded self-diagnostics

Advanced Radio Receiver System With Auto Seek Frequency Range

Quickly and easily learns up to 250 CodeDodger® transmitters. This system will automatically cycle between 315 and 390 frequencies. It can add and delete transmitters from the menu and easily identify which transmitters are operating the door.