Advertisement
2
WIRING (cont.)
It will take approximately 10 seconds to complete the initialization sequence once powered.
Wire-nut harness wires and isolation module wires together and then connect the isolation
module wires to the door control using the chart or visual representation below.
NOTE: From isolation module to ACT, use either green (NO) OR yellow (NC).
Isolation Module
To Door Control
(6-wire side)
To MS21
(5-wire side)
3
SETTINGS & ADJUSTMENTS
(A) SENSING ZONE – potentiometer
COUNTERCLOCKWISE – decrease (0'' minimum)
CLOCKWISE – increase (4'' maximum)
(B) AUDIBLE ALERT – DIP-switch 1 (left)
ON – audible alert pulsed for 0.5 seconds during detection
OFF – audible alert off
(C) LED – DIP-switch 2 (right)
ON – LED on at rest, pulsed off for 0.5 seconds during detection
OFF – LED off at rest, pulsed on for 0.5 seconds during detection
NOTES:
1. Maximum Sensing Zone will vary depending on size (area), orientation, and speed of object as well as environmental conditions.
75.5737.12 MS21H 20201014
RED
BLACK
WHITE
GREEN
BLUE
Signal
Harness Wire
AC/DC +
AC/DC -
COM
NO
NC
Earth Ground
COM
White
NO
Green
AC/DC
Red
AC/DC
Black
Earth Ground
Blue
RED
BLACK
WHITE
Installer Provided
Wire Harness
GREEN
BLUE
WIRE NUT
Isolation Module Wire
-
Red
-
Black
-
White
-
Green
-
Yellow
-
Green / Yellow
White
Green
Red
Black
Blue
1
RED
BLACK
WHITE
ISOLATION
GREEN
MODULE
YELLOW
GREEN / YELLOW
Door Control Terminal
AC/DC +
AC/DC -
ACT COM
ACT NO
ACT NC
Earth Ground
-
-
-
-
-
A
B C
Page 3 of 4
Advertisement
