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3

S I N G L E   P H A S E   W I R I N G

NOTE:

For additional help with wiring, refer to the wiring diagram

on next page.

EXISTING WIRES

JUMPER WIRES

NOTE:

Remove jumpers from original board and install them on

new logic board as follows.

1. Reconnect the original blue wire from pin 

J18

to pin 

J12

.

2. Reconnect the original yellow wire from pin 

J23

to pin 

J22

.

3. Reconnect the original black wire from pin 

J21

to pin 

J20

.

4. Reconnect the original black wire from pin 

J24

to pin 

J25

.

5. Reconnect the original brown wire that runs from 

#16

to 

#23

on the 

J2 TERMINAL BLOCK

.

TRANSFORMER

1. Reconnect the original black wire that runs from the

transformer to pin 

J20

.

2. Reconnect the original white wire that runs from the primary

on the transformer to pin 

J27

.

BRAKE

1. Reconnect the original white wire that runs from the brake to

pin 

J17

.

2. Reconnect the original white wire that runs from the brake to

pin 

J16

.

LOAD RESISTOR

Reconnect the original black wire that runs from the resistor 
pin 

J30

.

TERMINAL BLOCK TB1

1. Reconnect the original brown wire that runs from 

#3 of TB1

to

J9

.

2. Reconnect the original brown wire that runs from 

#4 of TB1

to

J8

.

3. Reconnect the original red wire that runs from 

#2 of TB1

through the inline fuse to 

J12

.

4. Reconnect the original black wire that runs from 

#1 of TB1

to

the 

J2 terminal block #15

.

5. Reconnect the original black wire that runs from 

#6 of TB1

to

the 

J2 terminal block #16

.

6. Reconnect the original black wire that runs from 

#5 of TB1

through the thermal sensor to the 

J2 terminal block #3

.

LIMIT SWITCHES

Reconnect the original limit harness to the 4 pin terminal on the
board marked 

J3 LIMIT SWITCH

.

BATTERY

Reconnect the original black wire that runs from the battery
negative terminal to 

J14

.

MOTOR

NOTE:

Steps 1 and 2 affect motor run direction.

1. Reconnect the original grey wire from the motor to pin where it

was removed from either 

J6

or 

J7

.

2. Reconnect the original purple wire from the motor to pin where

it was removed from either 

J6

or 

J7

.

3. Reconnect the original yellow wire from the motor to pin 

J5

.

4. Reconnect the original blue wire from the motor to pin 

J28

.

OVERLOAD

1. Reconnect one of the original black wires from the overload to

pin 

J27

.

2. Reconnect one of the original black wires from the overload to

pin 

J26

.

CHARGER BOARD

1. Reconnect the original black wire from the 

J6

charger terminal

to 

J15

on the logic board.

2. Reconnect the original white wire from the 

J1

charger terminal

to 

#13

on the logic board 

J2 TERMINAL BLOCK

.

3. Reconnect the original white wire from the 

J2

charger terminal

to 

#14

on the logic board 

J2 TERMINAL BLOCK

.

4. Reconnect the original blue wire from the 

J7

charger terminal

to 

J19

on the logic board.

5. Reconnect the original red wire from the 

J4

charger terminal to

J13

on the logic board.

NOTE:

For pushbuttons, sensing devices, power wiring and other

additional options, refer to the wiring diagram on next page.

INFRARED SENSOR AND BATTERY INDICATORS

1. Reconnect the original white/black wire to 

J2 terminal block

#1

.

2. Reconnect the original white wire to 

J2 terminal block #2

.

3. Reconnect the low battery indicator original white wire to 

J2

terminal block #15

and the red wire to 

J2 terminal block #24

.

SYSTEM TEST

1. Restore AC and reconnect DC power.

2. Allow the system to stabilize. The alarm may sound for the first

minute. The alarm should remain off after 3 minutes.

3. Verify the OPEN, CLOSE, STOP buttons operate correctly.

4. Verify the safety edge and eyes operate correctly, if

appropriate.

5. Verify the alarm functionality by initiating a Key-Test.

Summary of Contents for LiftMaster PROFESSIONAL K79-13493-2

Page 1: ...to the electrical box with the screw removed in step 4 NOTE For any additional help refer to assembly drawing on page 2 HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZATION SPANS AMERICA Installa...

Page 2: ...2 LO G I C B O A R D R E P L A C E M E N T A S S E M B LY Existing Screws New Logic Board Existing Nylon Nuts Existing Standoff...

Page 3: ...lack wire that runs from the battery negative terminal to J14 MOTOR NOTE Steps 1 and 2 affect motor run direction 1 Reconnect the original grey wire from the motor to pin where it was removed from eit...

Page 4: ...DARY PRIMARY INTERNAL THERMAL SENSOR ELECTRONIC FUSELINK ALARM INPUT 2 FACTORY JUMPER SUPPLIED YE RD BL WH BK RD BK RD WH WH BL YE BK BK YE GY PU BL BK BK WH BK BR BR BK BR BR RD BK BK BK RD WH BK RD...

Page 5: ...ICATORS 1 Reconnect the original white black wire to J2 terminal block 1 2 Reconnect the original white wire to J2 terminal block 2 3 Reconnect the low battery indicator original white wire to J2 term...

Page 6: ...CATOR REVERSING EDGE 230 460 V 3PH POWER IN GND ALARM INPUT 1 DRY CONTACT ONLY DO NOT INDUCE VOLTAGE OPEN CLOSE STOP KEY TEST COM NO SECONDARY PRIMARY INTERNAL THERMAL SENSOR ELECTRONIC FUSELINK ALARM...

Page 7: ...standard B2 wiring momentary contact to open close and stop When Fire Door Mode Type II is selected the control station is in revised C2 wiring momentary contact to open and stop constant pressure to...

Page 8: ...UTTON STATION AND SYSTEM TEST STROBE LIGHT WIRING ALARM SYSTEM NO OR NC CONTACTS 5 6 Sensing Device 11 12 NC Contacts 11 12 NO Contacts J2 J2 J2 J2 J2 Must set DIP switch 3 S1 3 to ON Must set DIP swi...

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