
Lock Functions
3–16 40H Series Service Manual
TWEL–Electrically locked–Fail safe lock TWEU–Electrically unlocked–Fail secure lock
Latchbolt operated by:
■ outside and inside key
■ outside and inside lever when
power is removed from the
solenoid
Latchbolt is deadlocked by an
auxiliary latch
Deadbolt operated by:
■ outside key
■ inside key
■ outside and inside lever when
power is removed from the
solenoid
Outside lever locked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
Outside lever unlocked by:
■ removing power from the
solenoid
Inside lever locked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
Inside lever unlocked by:
■ removing power from solenoid
Latchbolt operated by:
■ outside and inside key
■ outside and inside lever when
power is applied to the solenoid
Latchbolt is deadlocked by an
auxiliary latch
Deadbolt operated by:
■ outside key
■ inside key
■ outside and inside lever when
power is applied to the solenoid
Outside lever locked by:
■ removing power from the
solenoid
Outside lever unlocked by:
■ applying power to the solenoid;
remains unlocked while power is
continuously applied
Inside lever locked by:
■ removing power from the
solenoid
Inside lever unlocked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
WEL–Electrically locked–Fail safe lock WEU–Electrically unlocked–Fail secure lock
Latchbolt operated by:
■ inside lever when power is
removed from the solenoid
■ outside lever when power is
removed from the solenoid
■ inside key
■ outside key
Latchbolt is deadlocked by an
auxiliary latch
Outside lever locked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
Outside lever unlocked by:
■ removing power from the
solenoid
Inside lever locked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
Inside lever unlocked by:
■ removing power from the
solenoid
Latchbolt operated by:
■ inside lever when power is
applied to the solenoid
■ outside lever when power is
applied to the solenoid
■ inside key
■ outside key
Latchbolt is deadlocked by an
auxiliary latch
Outside lever locked by:
■ removing power from the
solenoid
Outside lever unlocked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
Inside lever locked by:
■ removing power from the
solenoid
Inside lever unlocked by:
■ applying power to the solenoid;
remains locked while power is
continuously applied
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