LCN 9700 Series Installation Instructions Manual page 7

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Always wire the locking device to the NO (normally open) contact of the control box locking interface
and use the keypad to set the EL (electric lock) setting to either SA (fail safe) or SE (fail secure).
Control box lock supply rating: 24 VAC, 1.5 A
Middle or Senior Swing
The keypad EL (electric lock) setting is SA (fail safe). When the operator is on, the strike is locked when
the door is closed and unlocked when the door is opening. When the 3-position switch is set to OFF, the
strike is unlocked.
Figure 3-6. Sample Wiring for a Fail Safe Electric Strike Locking Device
Senior Swing control box locking
Middle or Senior Swing control box
When using an EL device such as EL33A, EL99, etc:
Use 12 AWG stranded wire for outputs 01 and 02
between PS873 and EL device (200' run maximum).
The keypad EL (electric lock) setting is SE (fail secure). The control box locking relay signals the PS873
x 871-2. When the operator is on, the EL device is locked when the door is closed and unlocked when the
door is opening. When the 3-position switch is set to OFF, the EL device is locked.
Figure 3-7. Sample Wiring for a Fail Secure EL (Electric Latch Retraction) Locking Device
740100-00(5)
3. WIRING (continued)
control box
Cable 761465 to Middle or
interface receptacle (P10)
NOTE
Cut connector off rectifier, then
connect using wire nuts
White
White
White
White
Gray (COM)
Violet (NO)
Cable 761465 to Middle or
Senior Swing control box locking
interface receptacle (P10)
Gray (COM)
Violet (NO)
EL device
Black
Rectifier
(for DC
Red
strikes)
Fail safe
electric
strike
Von Duprin
PS873 x 871-2
SC I1 O1 GND
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