ND-Series Service Manual

6 • Schlage • ND-Series service manual
Lock assembly drawing index
Lock assembly drawing index
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
Schlage ANSI Description Outside function Inside function Page Page
ND10 F75 Passage latch Lever is always unlocked. Lever is always unlocked
and is always free for
immediate egress.
50 12
ND12 F89 Exit lock Lever is fixed. Lever is always unlocked
and is always free for
immediate egress.
51 13
ND12-RX Exit lock with
request to exit
Same as ND12. Same as ND12.
A microswitch attached to
the chassis is activated
when the lever is rotated.
The switch signals use of
the lever to security
systems allowing
non-disruptive egress.
52 14
ND12EL Exit lock —
electrically locked
(fail safe)
Lever is continuously
locked by electric current
until unlocked by switch
or power failure.
Lever is always unlocked
and is always free for
immediate egress.
53 15
ND12EL-RX Exit lock —
electrically locked
(fail safe) with
request to exit
Same as ND12EL. Same as ND12EL.
A microswitch attached to
the chassis is activated
when the lever is rotated.
The switch signals use of
the lever to security
systems allowing
non-disruptive egress.
54 16
ND12EU Exit lock—
electrically
unlocked (fail
secure)
Lever is continuously
locked mechanically
until unlocked by electric
current.
Lever is always unlocked
and is always free for
immediate egress.
55 17
ND12EU-RX Exit lock—
electrically
unlocked (fail
secure) wtih
request to exit
Same as ND12EU. Same as ND12EU. A
microswitch attached to
the chassis is activated
when the lever is rotated.
The switch signals use of
the lever to security
systems allowing
non-disruptive egress.
56 18
ND170 Single dummy trim Inactive trim for one side
of door. Use for door pull
or as matching inactive
trim.
57 19
Note: Any function with a deadlatch locks the latchbolt when door is closed. See page 5 for identification.
* Available with Small Format Interchangeable Core.
† Caution: These locks on residences and any door in any structure which is used for egress are a life safety hazard in times of emergency and their use is
not recommended. Installation should be in accordance with existing codes only.