LOGIC BOARD
AUX
R
L5
C20
C29
C
J
K
LT
C3
U
D
D
D
D
5
U
C18
014A1030
^^^^
D
2
REPLACEMENT KIT
K1A6424 (315MHZ)
K1A6424-1 (390MHZ)
APPLICATION REQUIREMENTS:
Available to all limited duty commercial door operators using the Logic control board. Example model identifier: MT-5011-U.
NOTE: For B2 wiring mode, these boards require a monitored safety device installed.
INSTALLATION
1. Disconnect power to operator.
2. Remove all wires from the existing logic board:
• Unplug Factory Wiring Connector (P1).
• Field control wiring from terminal strip.
NOTE: Remember location of all wiring connections for
reinstallation.
3. Remove the logic board from the mounting posts (5).
4. Install the new logic board into the operator, making sure that
the logic board is correctly oriented. Press firmly until all of
the mounting posts are completely through the mounting
holes and secure the board with the plastic nuts (2).
5. Plug factory wiring connector into P1 connector on logic
board.
6. Reconnect all field wiring to the field wiring terminal strip.
7. Make sure the electrical box is clear of all debris and tools.
8. Reconnect power to the operator and verify operation. Refer to
page 2 to reprogram remote controls and settings as
necessary.
To avoid SERIOUS personal INJURY or DEATH from
electrocution, DISCONNECT electrical power to operator
BEFORE proceeding.
For more information:
www.devancocanada.com
or call toll free at 855-931-3334
LOGIC CONTROL BOARD
Purple Wire Antenna
AUX ANT
Auxiliary
Antenna
Connection
J2
Diagnostic LED Field Wiring Terminal Factory Wiring Connector (P1)
Timer to Close
Button
C9
TTC
9
Learn
Stop
Button
27
LEARN
DIAGNOSTIC
LMEP1 LMEP2
1 2 3 4 5 6 7
COM
INTRLK
Close
Button
Button
21
STOP CLOSE OPEN
STOP CLOSE OPEN
Open
Button
7
4
4
2
R2
1
1
2
6
5
4
1
PROGRAMMING
ST
CLOSING RESET
WARNING
DETERMINE AND SET WIRING TYPE MODE
Read the descriptions of the wiring types to determine which
setting will be correct for each application.
TYPE
C2 Momentary contact to open and stop with constant pressure
to close, open override plus wiring for sensing device to
reverse. Timer to Close feature not available.
B2 Momentary contact to open, close and stop, open override
plus wiring for sensing device to reverse. Timer to Close
(TTC) feature available. (LMEP is required for this wiring
type mode).
The operator factory defaults to C2 mode when installed without a
LiftMaster Monitored Entrapment Protection (LMEP) device and
B2 mode when an LMEP is installed.
• If C2 mode is desired in conjunction with an installed LMEP
press and hold LEARN and CLOSE for 3 seconds until
DIAGNOSTIC LED goes off.
• To return to standard operation press and hold LEARN and
Stop for 3 seconds until DIAGNOSTIC LED goes off.
PROGRAMMING REMOTE CONTROLS
Built in 315 MHz radio receiver permits as many as 20
Security✚® remote controls or dip switch remote controls in any
combination.
SINGLE BUTTON REMOTE CONTROLS
1. Press and release the LEARN button (DIAGNOSTIC LED
will light.)
2. Press and hold the button on the remote
control until the Diagnostic LED flashes
rapidly, then release to complete
programming (LED will go out).
3. Repeat steps 1 and 2 for additional
remotes.
3-BUTTON REMOTE CONTROLS
1. Press and release the LEARN button (DIAGNOSTIC LED will
light.)
C18
2. Press and release the
desired function for the
remote button (OPEN,
CLOSE or STOP.)
D14
DIAGNOSTIC
LEARN STOP CLOSE OPEN
3. Press and hold the
desired button of the remote control until DIAGNOSTIC LED
flashes rapidly, then release.
4. Repeat for programming other buttons that are desired.
D14
DIAGNOSTIC
LEARN
To prevent possible SEVERE INJURY or DEATH, install
reversing sensors when:
• The radio is used.
• The 3-button control station is out of sight of the door.
• Or ANY other control (automatic or manual) is used.
Reversing devices are recommended for ALL installations.
TIMER TO CLOSE (TTC)
Timer to Close feature enables the operator to close the door after
a preset time, adjustable from 5 to 60 seconds. LMEP must be
connected and unobstructed in order to activate this feature. See
installation section for proper LMEP installation.
PROGRAMMING TTC
1. Begin with door in fully closed position
2. Press and release the LEARN button (DIAGNOSTIC 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 DIAGNOSTIC LED will flash once per 5 seconds of timer
setting.
The TTC will become active after completion of the next open
cycle.
NOTE: LED does not indicate that timer is running.
CLEARING TTC
1. Press and release the LEARN button (DIAGNOSTIC LED will
light.)
2. Press and hold the TTC button for at least 6 seconds.
3. DIAGNOSTIC LED will flash rapidly when button is released.
TIMER DEFEAT
The TTC can be temporarily disabled by pressing the STOP button
on the logic board or STOP button on the 3-button control
station.
TTC becomes active after next open cycle
RADIO OPERATION
MODE OPEN CLOSE STOP REVERSE FROM TTC
ERASING REMOTE CONTROLS
Press and hold the LEARN button (over 5 seconds) until the
DIAGNOSTIC LED flashes rapidly. All learned remote controls will
be erased.
B2 X X X X
B2
with X X X X WHEN
NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of this
receiver and/or transmitter are prohibited, except for changing the code setting or replacing the
battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired operation.
© 2008, The Chamberlain Group, Inc.
01-34371 All Rights Reserved
TTC OPEN
C2 X X X
HOW TO ORDER
REPAIR PARTS
DEVANCO CANADA
19192 HAY ROAD, UNIT Q
SUMMERSTOWN, ON K0C 2E0
TOLL FREE: 855-931-3334
www.devancocanada.com
WHEN ORDERING REPAIR PARTS
PLEASE SUPPLY THE
FOLLOWING INFORMATION:
3 PART NUMBER
3 DESCRIPTION
3 MODEL NUMBER
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