Gianni Industries GK320 Series User manual

Electric Strike
GK320/GK321 Series
Installation Instruction
Specification
Copyright © Gianni Industries, Inc. All rights reserved.
P-MU-GK320 Ver.C Publish:2010.11.22
12 VDC,24 VDC,12/24 VDC
LP-GK320-025, LP-GK320-050
±15%
0.25 A/12 VDC
0.15 A/24 VDC
-10℃~45℃
Hollow Metal Frames Wooden Frames
Mortise Mount
Optional Brackets
Installation
0~95%
GK320 series electric strikes are designed for spring latch or lockset (e.g. cylindrical locks). The latch bolt lock comprises a latch bolt and a
Nib. The GK320 electric strike can easily be changed between fail-safe and fail-secure modes.
GK320 GK321
Wooden Frames
Hollow Metal Frames
Inswing Inswing
Operating Voltage
Current Draw
Lip extension brackets for wide jamb
LP-GK320-050
50mm
LP-GK320-025
25mm
Optional Brackets How to Change Version ?
Field selectable by changing position of screws
"Fail-Safe"
(Power to Lock)
"Fail-Secure"
(Power to Open)
Mechanical lock set (optional)Electric Strike
Nib
Latch bolt
Faceplate
Doorstop
Latch opening
Base
Cable
What is a Nib ?
When the door is closed, the nib makes
the latch a dead bolt. The latch bolt locks
into the strike keeper of the door frame to
make sure that it is closed .
GK320
GK321 Mortise Mount
Application Locksets:
Spring latch or
Latch-bolt lock
Nib lockset Night latch
Max. latch throw 19 mm (3/4”)

Installation Instruction
(2)
Mark the latch position line
(3)
Mount the supplied installation template
and align to the marked line
(4)
Drill and cut the hole according to the
template supplied
(5)
Tighten the fixing plug Connect the power and test the unit
Measure the latch position
(1)
Note:
Proper gap must be reserved between the doorstop and latch bolt to prevent failure of solenoid valve.
Butt Splice(IDC) Connector
Using crimper or pliers and pressing the header
of connector down to even position
12 VDC
24 VDC
For the 12 VDC operation, the electric strikes have to
connect in parallel.
For the 24 VDC operation, the electric strikes have to
connect in series.
Black
Black
Black
Black
Black
Black
Red
Red
Red
Red
Red
Red
Connecting Diagram
Single Voltage (12V or 24V)
Dual Voltage (12 V/24 V)
Connecting Diagram
+
+
-
-
White: 12 VDC Red: 24 VDC
White: 12 VDC Red: 24 VDC
(Polarity Free)
Power
supply
Control Device
(e.g. Reader) N.C. contact or Access Relay for "Fail-safe" setting
N.O. contact or Access Relay for "Fail-secure” setting
(Polarity Free)
(Polarity Free)
+
-
-
+
(6)
Copyright © Gianni Industries, Inc. All rights reserved.
P-MU-GK320 Ver.C Publish:2010.11.22