Chamberlain MR850EVO, MR650EVO Operation of Your Opener, Maintenance of Your Opener

When the opener is activated by transmitter, ACTIVATION button or wall control:

Limit and Force Settings: These settings must be checked and properly set when the opener is installed. Weather conditions may cause some minor changes in the door operation, requiring some re-adjustments, particularly during the fir year of operation. Refer to limit and force setting i section 13.

Follow the instructions carefully and repeat the safety reverse test after any adjustment.

OPERATION OF YOUR OPENER CARE OF YOUR OPENER

When properly installed, your opener will operat

Your opener can be activated by any of the following

devices:with minimal maintenance. The opener does not require additional lubrication.

•The ACTIVATION button

Press the button until door starts to move.

•The wall control, outside keyswitch or keyless entry system (if you have installed any of these accessories).

•The Transmitter or Wireless Wall

Control (E128M)

Hold the push button down until the door starts to move.

Transmitter: Additional transmitters can be purchased at any time. Refer to Accessories. Any new transmitters must be programmed into the opener.

Transmitter battery: If transmission rang

• If open, the door will close. If closed, the door will open.

decreases, replace the battery.

•If closing, the door will stop.

•If opening, the door will stop (allowing space for entry

and exit of pets and for fresh air).	MAINTENANCE OF YOUR OPENER
• If the door has been stopped in a partially open or
closed position, it will reverse direction.	Once a Month:
	• Repeat safety reverse test.
Obstruction behaviour:	Make any necessary adjustments
	(section 13).
• If an obstruction is encountered while closing,• theManuallydoor operate door. If it is unbalanced or
will reverse.	binding, call for professional garage door
	service.
• If an obstruction is encountered while opening, the door
will reverse and stop.	• Check to be sure door opens and closes fully.

•The optional Protector System™ uses an invisibleSetbeamlimits and/or force if necessary. which, when broken by an obstruction, causes a closing

	door to open and prevents an open door from	closing. It
	is STRONGLY RECOMMENDED for homeowners with	SPECIFICATIONS	MR850EVO
	young children.	Input Voltage:		230-240 VAC, 50 Hz, 170 W
	Door should be fully closed if possible.	Rated Load:		32 Nm
	Weak or broken springs could allow an	Max.Pull Force:		550 N	@ O300 mm
	open door to fall rapidly. Property damage
		Standby Power:		<1 Watt
	or serious personal injury could result.
		Drive:		DC gearmotor permanent
				lubrication
	Opening the door manually:	Max. Drum Rotations:		41/ 2
	The door can be opened manually by pulling the	Memory Registers:		64
	release cord down firmly.	Operating Frequency:			433.30/433.92/434.54 MHz
	To re-engage the door, pull the release cord down
		firmly.
	The opener light will turn on:	SPECIFICATIONS	MR650EVO
		Input Voltage:		230-240 VAC, 50 Hz, 100 W
	• when opener is initially plugged in;
		Rated Load:		25 Nm
	• when the power is briefly interrupted;
	• when the opener is activated.	Max.Pull Force:		500 N	@ O300 mm
	• when IR Beams are triggered with the door in the	Standby Power:		<1 Watt
	Open position.
	(the light turns off automatically after 2-1/2 minutesDrive:.)			DC gearmotor permanent
				lubrication
		Max. Drum Rotations:		41/ 2
		Memory Registers:		64
		Operating Frequency:			433.30/433.92/434.54 MHz
SPECIAL NOTE: Chamberlain strongly recommends that the Protector System			TM be installed on all garage door openers.

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