BEST ACCESS SYSTEMS W Series Service Manual page 17

NEL–Electrically Locked–Fail Safe
Latchbolt operated by:
inside lever/knob
outside lever/knob when
electric power is removed
from the solenoid
Outside lever/knob locked
by:
applying 12 VDC to the
solenoid; remains locked only
while power continues to be
applied
Outside lever/knob unlocked
by:
removing 12 VDC from the
solenoid
Inside lever/knob is always
unlocked
W Series Service Manual
IDH Max Locks Functions and Parts
NEU–Electrically Unlocked–Fail Secure
Latchbolt operated by:
inside lever/knob
outside lever/knob when
electric power is applied to
the solenoid
Outside lever/knob locked
by:
removing 12 VDC from the
solenoid
Outside lever/knob unlocked
by:
applying 12 VDC to the
solenoid; remains unlocked
only while power continues
to be applied
Inside lever/knob is always
unlocked
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