Note: the above wiring diagram includes the pushbutton and indicating light. Call the factory or visit
our website (
) for the wiring diagram that applies to your specific application.
1) Mount the SKRU in the panel or enclosure.
2) Wire all circuits according to the appropriate wiring diagram.
3) Test the wiring to verify that the circuitry corresponds to the proper key position (trapped vs.
free).
SKRU Wiring Instructions
www.kirkkey.com
PAGE 4
KIRK INTERLOCK
KEY NORMALLY
RETAINED IN LOCK.
KEY REMOVABLE WHEN
SOLENOID IS ENERGIZED.
D.P., D.T. AUX. SWITCH.
CIRCUITS B & D
NORMALLY CLOSED.
CIRCUITS C & E
NORMALLY OPEN.
CIR. A
CIR. A
CIR. B
CIR. B
CIR. C
CIR. C
CIR. D
CIR. D
CIR. E
CIR. E
SOLENOID
PUSH BUTTON
(Close to Energize Solenoid)
NORMALLY
DEENERGIZED
SIGNAL LAMP INDICATES
WHEN SOLENOID IS
ENERGIZED.
156-617
CUSTOMER
TO
WIRE
THIS
SIDE
ONLY
8
8
7
7
6
6
5
5
2
2
4
4
3
3
®
KIRK
Solenoid Key Release Unit (Type SKRU) Wiring Diagram
1
Instruction Manual for:
Solenoid Key Release Unit and Time Delay Key Release Unit
1
IB/KRU/06
