Liftmaster Mj Quick Start Guide 01 34211

Liftmaster-Mhs-Quick-Start-Guide liftmaster-mhs-quick-start-guide

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Operator Mounting

Wall Mount: The operator should generally be installed below

the door shaft, and as close to the door as possible.

Bracket Shelf Mounting: The operator may be mounted either

above or below the door shaft.

NOTE: The optimum distance between the door shaft and

operator drive shaft is between 12" - 15".

Place door sprocket on the door shaft. Do not insert the key at

this time.

Place drive sprocket on the appropriate side of the operator. Do

not insert the key or set screw at this time.

Wrap chain drive around door sprocket and join roller chain

ends together with master link.

Raise operator to approximate mounting position and position

chain over operator sprocket.

Raise or lower operator until the chain is taut (not tight). Make

sure the operator output shaft is parallel to door shaft and

sprockets are aligned. When in position, secure the operator to

wall or mounting bracket.

Align sprockets, insert key into keyway, and secure.

Place hand chain around hand chain wheel (if provided).

Run the power wires through the power wiring conduit hole in

the electrical box enclosure. Connect the power to the operator.

Connect the earth ground to the ground screw in the electrical

box enclosure. Follow ALL local electrical codes.

Run control wires through the control wiring conduit hole in the

electrical box enclosure. Follow ALL local electrical codes.

Adjust the limit switches to open and close door properly. Make

sure the limit nuts are positioned between the limit switches

before proceeding with adjustments.

Remove cotter pin from nut on the clutch shaft. Back off clutch

nut until there is very little tension on the clutch spring. Tighten

clutch nut gradually until there is just enough tension to permit

the operator to move the door smoothly but to allow the clutch

to slip if the door is obstructed. Reinstall cotter pin when

finished.

Troubleshooting instructions inside cover of operator.

1b

1a

2

3

4

5

6

7

8

9

10

11

12

13

IMPORTANT: This QuickStart is intended to highlight a typical installation. These instructions are not intended to be comprehensive. Because each application is unique, it is the responsibility of

the purchaser, designer, installer and end user to ensure that the total door system is safe for its intended use. Please consult the manual and/or a qualified technician for further information.

NOTE: Intended for Professional Installation Only. Visit www.LiftMaster.com to locate a professional installing dealer in your area.

A SAFETY DEVICE IS HIGHLY RECOMMENDED

Align Sprockets

7

OPTIONAL

Mounting Bracket

P/N 08-9098

Be sure door sprocket is properly

aligned with drive before securing to

the shaft.

Chain Retaining Bracket

(4' above floor)

Optimum Distance

12-15"

Optimum Distance

12-15"

Right Hand Wall Mounted Operator

1a Bracket Shelf Mounted Operator

1b MODEL MH

These operators are equipped with a manual hoist. An electrical interlock will disable the

electrical controls when the hoist is used. To operate the hoist

. Turn off power to the operator

BEFORE manually operating your door.

Pull the disconnect chain (sash chain) to engage the hoist mechanism. The disconnect

chain may be locked in position by slipping the end through the keyhole of the chain

retaining bracket mounted on the wall.

Operate the door in the desired direction by pulling on one side or the other of the

continuous loop hoist chain.

The disconnect chain must be released from the chain retaining bracket before the door

will operate again electrically.

MODEL MJ

This operator has a floor level disconnect chain to disconnect the door from the door

operator.

To disengage, pull the chain and secure in the disengaged position by slipping the end

through the keyhole bracket mounted on the wall. Or if emergency egress device is used,

pull handle to disengage operator from door.

The door may now be pushed up or pulled down manually.

Release the disconnect chain or reset the emergency egress device to operate the

door again electronically.

MODEL MHS

This operator includes two methods of manual operation:

A disconnect sash chain for push-up/pull-down operation. Refer to Model MJ

instructions above.

A hoist engagement sash chain for manual hoist operation. This chain can be found on the

clutch side of the operator. Refer to Model MH instructions above.

When operator is disconnected by the manual operation chain, hoist and electrical operation

will not function.

Manual Operation

QuickStart model MJ/MH/MHS

Medium Duty Logic

Keyhole Bracket

Manual Disconnect

Electrical Interlock with Hoist

a

a

b

c

a

b

c

b

Turn off power to the operator

BEFORE manually operating your door.

b

a

© 2008, The Chamberlain Group Inc.

All Rights Reserved

01-34211B

QuickStart for the model MJ/MH/MHS door operator Medium Duty Logic

This QuickStart is intended to highlight a typical installation. These instructions are not intended to be comprehensive. Because each application is unique, it is the

responsibility of the purchaser, designer, installer and end user to ensure that the total door system is safe for its intended use. Please consult the manual and/or a

qualified technician for further information.

NOTE: Intended for Professional Installation Only. Visit www.LiftMaster.com to locate a professional installing dealer in your area.

A SAFETY DEVICE IS HIGHLY RECOMMENDED

Timer to Close Programming

Programming Remote Controls

Timer to Close feature enables the operator to close the door after a preset time, adjustable from

5 to 60 seconds. A LiftMaster monitored safety device must be connected and unobstructed

to activate this feature. See installation manual for LiftMaster monitored safety device selection

and installation.

TTC

LED

AUX ANT

R27

L5

TP1 C20

C9

C29

R24

J2

C21

J4

K2

LT

P1

C32

U4

D7

D6

D5

D4

R25

U1

C31

D14

C18

014A1030

^^^^

D9

LEARN

12 34 567

LMEP1 LMEP2 INTRLKCOM STOP CLOSE OPEN

STOP CLOSE OPEN

AUX ANT

CONTROL WIRING

USE COPPER WIRE ONLY

16-22 AWG

COM

INTRLK

STOP

OPEN

CLOSE

1

LMEP1

LMEP2

234567

Direction Limit Nut Will Move During Travel

Limit Switches

11

Retaining

Plate

Limit Nuts

Push

SAFETY

CLOSE

OPEN

115 V PH. 1 Power Connection

9

14 AWG Minimum

POWER WIRING

USE COPPER WIRE ONLY

Power

Wiring

ONLY!

Follow ALL local electrical codes

L1 L2

Control Wiring Knockouts

LiftMaster® CPS Safety Sensors

White/Black

Power Wiring Knockout

3

7

6

5

TTC

LED

AUX ANT

R27

L5

TP1 C20

C9

C29

R24

J2

C21

J4

K2

LT

P1

C32

U4

D7

D6

D5

D4

R25

U1

C31

D14

C18

014A1030

^^^^

D9

LEARN

1234567

LMEP1 LMEP2 INTRLKCOM STOP CLOSE OPEN

STOP CLOSE OPEN

AUX ANT

Timer to Close (TTC)

Timer to Close feature enables the operator to close from the

open limit after a preset time, adjustable from 5 to 60 seconds.

Requires LiftMaster monitored safety device.

TO PROGRAM

1. Begin with door in fully closed position.

2. Press and release the LEARN button (LED will light).

3. Press and release the TTC button.

4. Every press and release of the STOP button will

add 5 seconds to the Timer to Close.

Example: 30 second TTC = 6 presses of the STOP button.

5. Press and release the TTC button to exit programming mode.

6. The LED will flash once per 5 seconds of timer setting.

The TTC will become active after completion of the next open cycle.

NOTE: The LED does not indicate that timer is running.

TO VERIFY TIMER TO CLOSE (TTC) SETTING

1. Press and release the LEARN button.

2. Press and release the TTC button.

3. Press and release the TTC button a second time.

4. The LED will flash once per 5 seconds of timer setting.

CLEAR TIMER TO CLOSE (TTC)

1. Press and release the LEARN button (LED will light.)

2. Press and hold the TTC button for 6 seconds.

3. Release the TTC button (LED will go out).

The TTC will no longer be active.

TIMER DEFEAT

The TTC can be temporarily disabled by pressing a STOP button.

TTC will become enabled after the next open command.

D14

LED

TTC LEARN

12345

STOP CL

Timer To Close Button

Logic BoardElectrical Box

TTC

LED

AUX ANT

R27

L5

TP1 C20

C9

C29

R24

J2

C21

J4

K2

LT

P1

C32

U4

D7

D6

D5

D4

R25

U1

C31

D14

C18

014A1030

^^^^

D9

LEARN

1234567

LMEP1 LMEP2 INTRLKCOM STOP CLOSE OPEN

STOP CLOSE OPEN

AUX ANT

Logic BoardElectrical Box

D14

LED

TTC LEARN

12 3 45 67

STOP CLOSE OPEN

Open

Close

Stop

3-BUTTON REMOTE CONTROL TO OPERATE

AS A WIRELESS 3-BUTTON CONTROL STATION

NOTE: The feature will use 3 of the 20 memory channels in the operator.

TO PROGRAM

1. Press and hold the LEARN button (LED will light).

2. Press the desired button on the logic board

(OPEN, CLOSE or STOP). Release both buttons.

3. Press and hold the desired button of the remote

control until LED flashes rapidly, then release.

4. Repeat steps 1 through 3 to program additional buttons.

TO ERASE ALL REMOTE CONTROLS

Press and hold the LEARN button (over 5 seconds)

until the LED goes out. All programmed remote controls will be erased.

SINGLE BUTTON REMOTE CONTROL

Built in 315 MHz radio receiver permits as

many as 20 Security✚® remote controls

or dip switch remote controls in any

combination.

TO PROGRAM

1. Press and release the LEARN button

(LED will light).

2. Press and hold the button on the remote

control until the LED flashes rapidly, then

release to complete programming

(LED will go out).

3. Repeat steps 1 and 2 for additional

remote controls.

9

10

White