MM272 Installation Instructions
22
Step 1
Turn control box OFF before connecting safety device wires to the control board. (Unplugging the transformer does not turn power to
the opener OFF.)
Step 2
Run wires from safety devices and other accessories through the strain relief openings in the bottom of the control box.
Step 3:
Follow directions in Accessory Installation Manuals.
Connecting Additional Devices
Photo Beams
Loop Detector
Push Button Control
According to
Application
Gate Opening Sensor
Refer to Sensor manual for
additional information if needed.
Edge Sensor
Automatic Gate Lock
ON
1 2 3 4 5 6 7 8 9
10
DIP
NO
COM
NC
V +
V –
LOOP
LOOP
LOOP
NOTE:
Connections are for typical applications. For additional connection options not
illustrated here refer to the accessory manual for details.
4
6
6
6
2
6
Digital Keypad
2
3
6
4
1
2
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PRS
8
TUV
9
WXY
0
5
MIN
ST
ALL FORCE
OPEN < JOG > CL
OSE
PW
R.
SET LIMIT
1st OPR
.
2nd OPR
.
SF
TY
.
EXIT
CY
CLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
WHT
GRN
SECOND OPR.
FIRST OPR.
RED
7
8
6
5
4
3
2
AUTO
MATI
C
GATE
LOC
K
®
ELECTRONIC SECURITY L
OCK
7
8
3
6
+
-
Red
Blue
Black
Shield
Yellow
VAR5
VAR6
K1
PF1
K2
BATT
+
BATT
–
K3
K4
VAR4
VAR3
VAR2
VAR1
MIN
MAX OFF
≤JP1
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
120
SEC.
GTO Inc.
Tallahassee, FL
R4722
STALL FORCE
OPEN < JOG > CLOSE
PWR.
SET
LIMIT
1st OPR.
2nd OPR.
STATUS
AUTO CLOSE
SFTY.
EXIT
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
WHT
GRN
SECOND OPR.
FIRST OPR.
RED
BLK
14 VAC
OR
SOLAR
ON OFF
Accessory Wire
Mighty Mule strongly recommends the use of additional obstruction detection devices however we do not endorse
any specific brand names. Only use products that are listed to be in compliance with any applicable UL safety
standards and national and regional codes.
PLEASE NOTE: Contact sensors, non-contact sensors, shadow loops, etc. are not included with the Mighty Mule.
Refer to the sensor manufacturer’s instructions for information about installing accessory devices.
The Mighty Mule ONLY accepts accessory devices with normally open dry contact outputs.
WARNING
Make sure the operator power switch is turned OFF before connecting ANY
device wiring to the terminals of the controller. Unplugging the transformer
does not turn power to the operator off.
