Merlin MR850EVO User Manual

MR850EVO/MR650EVO
Rolling Garage Door Opener
Installation and Operating Instructions
Owners Copy: Please keep these instructions for future reference
This manual contains IMPORTANT SAFETY information
DO NOT PROCEED WITH THE INSTALLATION BEFORE READING THOROUGHLY
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Merlin MR850EVO Specifications

General

Manufacturer	Merlin
Model	MR850EVO
Type	Garage Door Opener
Safety Reversing System	Yes
Automatic Force Setting	Yes
Soft Start/Stop	Yes
Remote Controls Included	2
Wall Control Included	Yes
Motor	DC
Motor Type	DC
Security	Rolling Code

Summary

Important Safety Instructions

General Safety Warnings

Essential safety precautions for installation and operation.

Door Requirements

Direct Clamping Method

Independent Clamping Method

Testing the Door

Installing the Stop Collar

Installing the Weight Bar (Provided)

The Release Handle & Cord

Operating the Manual Release

Left / Right Hand Installation

Installation Procedure

Setting the Limits for Right or Left Hand Operation and Force

Setting Right or Left Hand Operation

Configures the opener for right or left-hand installation based on LED indicators.

Setting the Open (UP) Limit

Sets the upper travel limit for the garage door opener.

Setting the Bottom (DOWN) Limit

Sets the lower travel limit for the garage door opener.

Setting the FORCE

Testing the Safety Reverse System

Install the Protector System™ (IR Beams) Optional Accessory

Installing and Adjusting

Wireless Programming (Optional Accessories)

To Add Transmitters / Wireless Wall Button

Keyless Device Programming (Optional Accessories)

To Set the Keyless Entry PIN

Operation of Your Opener

Activation Controls

Obstruction Behavior

Manual Door Operation

Care of Your Opener

Setting Adjustments

Maintenance of Your Opener

Monthly Checks

Recommends monthly safety reverse tests and manual door checks.

Specifications MR850EVO

Specifications MR650EVO

Typical Wiring Diagram MR850EVO/650EVO - Information for Service Personnel

Diagnostic Chart

Troubleshooting

Opener Unresponsive to Controls

Troubleshoots issues where the opener is unresponsive to controls.

Unexpected Opener Operation

Door Reversal Issues

Addresses door reversal, stopping, or failure to close problems.

Motor Operation Problems