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SPECIFICATIONS

Input Voltage ...........

230-240 VAC, 50Hz

Max. Pull Force .......

800N

Power ......................

8Nm

Watts .......................

165W

Standby Power........

3 Watts nominal

Motor
Type ........................

DC gearmotor permanent
lubrication

Drive Mechanism
Drive........................

Chain/belt with two-piece trolley on
steel rail.

Length of Travel ......

Adjustable to 3.0 metres

Travel Rate..............

5"-7" (127-178mm) per second

Lamp .......................

On when door starts, off 2-1/2
minutes after stop.

Door Linkage...........

Adjustable door arm. Pull cord
trolley release

Safety
Personal ..................

Push button and automatic stop in
down direction. Push button and
automatic stop in up direction

Electronic ................

Automatic force adjustment

Electrical..................

Transformer overload protector and

................................

low voltage push button wiring

Limit Device ............

Optical RPM/Passpoint detector

Limit Adjustment......

Electronic, semi and fully automatic

Start Circuit .............

Low voltage push button circuit

Dimensions
Length (Overall) ......

3.2m (122-1/2")(with standard rail)

Headroom Required

30mm

Hanging Weight.......

9.5kg

Receiver
Memory Registers ...

64

Operating Frequency

433.92MHz

Your opener can be activated by any of the following devices:
• The wireless wall button. Hold the button down until door starts to

move.

• The outside keyswitch or keyless entry system (if you have

installed either of these accessories).

• The remote control transmitter. Hold the push button down until

the door starts to move.

Opening the door manually:

The door can be opened manually by pulling the release handle
down. To reconnect the door, pull the release handle down and toward
the opener.
Do not use the manual release handle to pull the door open
or closed. When the opener is activated by remote control or
lighted door control button:
1. If open, the door will close. If closed, the door will open.
2. If closing, the door will stop.
3. If opening, the door will stop (allowing space for entry and exit of

pets and for fresh air).

4. If the door has been stopped in a partially open or closed position,

it will reverse direction.

5. If an obstruction is encountered while closing, the door will reverse.
6. If an obstruction is encountered while opening, the door will reverse

and stop.

7. The optional Protector System™ uses an invisible beam 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 young children.

Allow a 15 minute cooling period after 5 continuous operations
of the opener.

The opener light will turn on:

1. when the opener is initially plugged in;
2. when the power is briefly interrupted;
3. when the opener is activated.

The light turns off automatically after 2-1/2 minutes. Bulb size is
230V/40W maximum.

OPERATION OF YOUR OPENER

18

When properly installed your opener will operate with minimal
maintenance. The opener does not require additional lubrication.
Limit and force settings: These settings must be checked and
properly set when opener is installed. Weather conditions may cause
some minor changes in the door operation, requiring some re-
adjustments, particularly during the first year of operation

.

Refer to

setting the limits and force sections 22 and 23. Follow the

instructions carefully and repeat the safety reverse test after
any adjustment.
Remote control: 
The remote control may be secured to a car sun
visor with the clip provided. Additional remotes can be purchased at
any time for use in all vehicles using garage. Refer to accessories.
Any new remotes must be programmed into the opener.
Remote control battery: If transmission range lessens, replace
battery.
To change battery: To replace batteries, use the visor clip or
screwdriver blade to pry open the case. Insert batteries

positive side

up. To replace cover, snap shut along both sides. Do not dispose of
the old battery with household waste. Take batteries to a proper
disposal centre.

CARE OF YOUR OPENER

Once a Month:

Repeat safety reverse test. Make any necessary adjustments.

Manually operate door. If it is unbalanced or binding, call for
professional garage door service.

Check to be sure door opens and closes fully. Set limits and/or
force if necessary.

Once a Year:

Oil door rollers, bearings and hinges. The opener does not

require additional lubrication. Do not grease the door tracks.
• GREASE THE RAIL AND THE TROLLEY.

MAINTENANCE OF YOUR OPENER

Door should be fully closed if possible. Weak or
broken springs could allow an open door to fall
rapidly. Property damage or serious personal
injury could result.

SPECIAL NOTE: Chamberlain strongly recommends that The Protector System

TM

(IR Beams) be installed on all garage door openers.

Summary of Contents for Merlin MT800

Page 1: ...re reference www chamberlainanz com MT800 Sectional and Tilt Garage Door Opener Installation and Operating Instructions This manual contains IMPORTANT SAFETY information DO NOT PROCEED WITH THE INSTAL...

Page 2: ...ng covers KEEP THESE INSTRUCTIONS Warning If your garage has no service entrance door a CM1702 outside quick release must be installed This accessory allows manual operation of the garage door from ou...

Page 3: ...Hex nut 14 Ring fastener 15 Hex bolt 16 Lock nut 17 Metric tapping screw 18 Hex screw 10 7 3 4 5 6 12 13 8 NOTICE 11 15 14 17 18 1 2x 16 9 2 2x 2x 2x 2x 2x 1x 1x 1x 4x 2x 4x 4x 5x 5x 3x 2x 2x 2 1 11mm...

Page 4: ...binding or sticking If your door binds sticks or is out of balance call a trained door systems technician 1 Header sleeve 2 Idler pulley bracket 3 Trolley 4 Rail 5 Chain belt 6 Hanging bracket 7 Powe...

Page 5: ...drive sprocket and replace it with the belt drive sprocket supplied with your rail assembly Holding chain 4 or belt 5 out of the way slide rail 1 onto shim 2 until rail is secure Take the chain belt a...

Page 6: ...cal centre line 2 onto the ceiling Centre the header bracket 1 on the vertical mark no more than 150mm 6 from the wall Make sure the arrow is pointing toward the opener Mark all of the header bracket...

Page 7: ...l bracket not supplied 4 to a structural support before installing the opener For concrete ceiling mount Figure C use concrete anchors provided On each side of opener measure the distance from the ope...

Page 8: ...e bars 3 as shown Close the lens by gently squeezing the upper corners and inserting the tabs 4 into slots on the cover 5 To change bulb squeeze the upper corners of the lens to disengage tabs The len...

Page 9: ...d wire to RED terminal screw 1 and the white wire to WHT terminal screw 2 Fasten the door control to an inside garage wall with sheet metal screws 3 provided Drill 4mm 5 32 holes and use anchors if in...

Page 10: ...control This sets the DOWN close limit and begins opening the door 4 Open and close the door with the remote control or door control 2 or 3 times Leave door in the open position ready for force setti...

Page 11: ...e light flashes about 10 seconds A single flash indicates that the timer is reset to 1 1 2 minutes Repeat the procedure and the light will flash twice resetting the timer to 2 1 2 minutes Repeat again...

Page 12: ...compulsory to assist in the prevention of serious injury or property damage For your own peace of mind and the safety of others please install this inexpensive safety device 26 132B2366 50 s 180 s O...

Page 13: ...ress and hold the button on the hand held remote that you wish to operate your garage door 2 While holding the remote button press and hold the LIGHT button on the motion detecting control panel 3 Con...

Page 14: ...orange learn button 1 on opener The learn indicator light will glow steadily for 30 seconds 2 Within 30 seconds enter a four digit personal identification number PIN of your choice on the keypad 2 th...

Page 15: ...Grey 4 Door control panel To opener terminals Red 1 and White 2 31 6 4 1 7 2 11 12 3 LOCK LIGHT 5 CM842 C840 CM128 C98 760E CM1702 C77 C940 C943 C945 8 9 10 CM844 13 ENROLL FAIL RETRY SEND PASS READY...

Page 16: ...028 031D0525 041A5801 2 3m 041A5801 2 2 5m 041A5801 3 3 0m 031D0537 041A5844 2 3m 041A5844 1 2 5m 041A5844 2 3 0m 041B4494 1 8423CR3 8430CR3 8023CR3 8025CR3 8030CR3 7017CR3 7023CR3 7030CR3 7035CR3 041...

Page 17: ...r board 041B5351 5 light socket 041C5392 block terminal 041B4375 3 sprocket cover belt 041A4371 3 chain 041A4371 2 belt pulley cover 041A5845 transformer 041C5350 8 026B0072 power cord chassis cover 0...

Page 18: ...e light is flashing correct the alignment If opener light does not flash and it is a new installation repeat setting the limit and force sections 22 and 23 Repeat the safety reverse test after the adj...

Page 19: ...es a closing door to open and prevents an open door from closing It is STRONGLY RECOMMENDED for homeowners with young children Allow a 15 minute cooling period after 5 continuous operations of the ope...

Page 20: ...YEARS from the date of first purchase from the Seller The DC motor only has a 5 year warranty from the date of first purchase from the Seller when installed on a domestic door Please retain your proo...

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