
M-Series Service Manual
4
Function
ANSI A156.13, 2005
Page
SCHLAGE
ANSI
DESCRIPTION
OUTSIDE FUNCTION
INSIDE FUNCTION
M441
-
Classroom
Security Lock
Deadlocking latch bolt by
levers from either side
except when outer lever
is locked by key from
either side. Outer lever
is unlocked by key from
either side.
Deadlocking latch bolt by
levers from either side
except when outer lever
is locked by key from
either side. Inside lever
is always free.
17
M451
F15-1
F15-2
Hotel/Guest Lock
Deadlocking latch bolt
by key. Outside knob/
lever rigid. Deadbolt by
emergency key outside.
Projecting deadbolt
displays occupancy
indicator and shuts out all
keys except emergency.
Deadlocking latch
bolt by inside knob/
lever. Deadbolt by turn.
Rotating inside knob/
lever retracts both bolts.
Must use button to
unlock outside.
20
M521
F04-1
F04-2
Entry/Offi ce Lock
Deadlocking latch bolt by
knobs/levers except when
outside knob/lever is
locked by buttons in face,
then by key outside.
Deadlocking latch bolt
by knobs/levers except
when outside knob/lever
is locked by buttons in
face, then by key outside.
Must use button to
unlock outside.
21
M531
F10-1
F10-2
F12-1
F12-2
F20-1
Apartment
Latch bolt by knobs/levers
except when outside
knob/lever is made
inoperative by buttons in
face. Deadbolt by key
outside. Deadlocking
latch.
Deadbolt by turn.
Rotating inside knob/
lever retracts both bolts.
22
M541
F21-1
F21-2
Entry/Offi ce Lock
Latch bolt by knobs/
levers. Deadbolt by key.
Latch bolt by knobs/
levers. Deadbolt by turn.
16
M561
F05-1
F05-2
Classroom Lock
Deadlocking latch bolt
by knobs/levers. Outside
knob/lever locked by key
outside.
Deadlocking latch bolt
by knobs/levers. Inside
knob/lever always free.
17
M571
F13-1
F13-2
Dormitory Lock
Latch bolt by knobs/levers
except when knob/lever
is locked by projecting
deadbolt. Key retracts
deadbolt and unlcoks
knob/lever.
Latch bolt by knobs/
levers except when
knob/lever is locked
by projecting deadbolt.
Rotating knob/lever
retracts both bolts.
19
M581
F07-1
Storeroom Lock
Deadlocking latch bolt by
key. Outside knob/lever
always rigid.
Deadlocking latch bolt by
knob/lever.
23
M621
F08
Entry Lock
Latch bolt is operated by
knob/lever from either
side except when outside
knob/lever is made
inoperative by a stop or
mechanical means other
than key. Key outside
operates both bolts.
Deadbolt is operated by
turn. Must use button to
unlock outside.
24
Functions