Wiring Diagrams - Assa Abloy ML20900 Series Installation Instructions Manual

ML20900 ECL Series Mortise Lock
Monitoring Options:
M91 -
M92 -
M105 -
M91 x M92 - Latchbolt and Request-to-Exit Monitoring
M92 x M105 - Request-to-Exit and Security Monitoring

6) Wiring Diagrams

Lock Schematics
Power Leads
Red+
AC/DC
Black-
Power Leads x M91
(Latchbolt Monitor)
Red+
Black-
Blue
C
Brown
NO
Yellow
NC
Latchbolt Monitor
Latchbolt monitoring is a SPDT switch which monitors the full extension of
the main latch. Activated when latch is fully projected.
Request to Exit Monitor
Request to Exit monitoring is a SPDT switch which monitors the activation
of the trim. (Both levers activate switch.) Activated when unlocked lever is
rotated. Rotating locked lever will not activate switch.
Security Monitor
Security Monitor is two switches in series that monitors lock status (locked
or unlocked) and Auxiliary Latch position. Activated when door is closed
and locked.
Power Leads x M92
(Request to Exit)
Red+
AC/DC
Black-
C
NO
White
NC
Green
Orange
Power Leads x M105
(Security Monitor)
Red+
Black-
Blue
C
Brown
NC
Yellow
NO
14
ASSA ABLOY
Check
polarity:
Verify + (red)
wire
For assistance, call 800-810-WIRE
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M92
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