！ If unlock fails after changing the code

KEYLEX 3100

If the buttons for code entry or the ENTER button no longer function after you press the RESET button orif entering the set code fails to unlock the door, do the following to clear all set codes:① Press theRESET button.

② While holding down theRESET button ①…
③ …insert the key into the cylinder
for a code change.
④ Turn the key 90 degrees to theSET position (turn counterclockwise).

⑤ Release the RESET button ①.
⑥ Turn the key to its original
position and pull out.

Surface-Mounted Automatic Lockfor Sliding Door

Instruction Manual (for Owner)Thank you for your purchase. Please provide this Instruction Manual to the owner or tenant.
Be sure to read this manual. After reading, keep in a safe place for ready reference.
We recommend pressing random buttons(other than those used to enter the set code).

③④7264404< Record of set codes >⑥⑦ Press the RESET button, then press the ENTER button. Check to conﬁrm that the lock is disengaged when you turn thelock turn.
⑧ Set a new code. Refer to “How to change the set code” on top of page 3.

year

monthdayyear

monthdayyear

monthdayyear

monthdayyear

monthdayCurrent set code

K328C／K328CM！ CAUTION Observe the following precautions to ensure safe use of the product:■ Caution during installation ● Always use a manual screwdriver to tighten mounting screws.
Do not use an electric screwdriver.
■ Loosening mounting
screws● Tighten mounting screws periodically. Loose screws compromise protection
against burglaries and may cause the product to come loose and fall oﬀ.

■ Excessive protrusion ofstrike plate● If the edges of the strike plate extend too far from the mounting surface, they
can cause injury or catch on and tear clothing. Ask the contractor performing
the installation to replace the present strike plate with an appropriate one.

■ Use for other purposes● Do not hang on the lock turn by hand, use the lock turn as a foothold, or hang
objects on the lock turn. Doing so may lead to hazardous conditions.

● Avoid any operations not speciﬁcally described in these operating instructions.
◆ Caution for use● Do not attempt to disassemble or modify the product.
(to prevent malfunctions) ● Do not close the door with the deadlatch or deadbolt extended.

Important note regarding code setting● The code set for the KEYLEX 3100 can be from one to 12 digits (4,096 combinations).
● The order in which the set numbers is entered cannot be set and does not aﬀect the validity of the code entered.
Example: When the set code is 1 ‒ 2 ‒ 3The lock can be unlocked by pressing 1 ‒ 2 ‒ 3, 2 ‒ 3 - 1, 3 ‒ 1 - 2, or 1 ‒ 3 - 2.
● Each button can be used only once in entering the code. (Codes requiring more than one press of the same button
is invalid and cannot be set.)

Example: 1 ‒ 1 ‒ 2 ‒ 3 or 1 ‒ 2 ‒ 2 ‒ 3 cannot be set.

● Do not operate the lock turn while pressing buttons.

● Press the buttons one at a time. Do not push the buttons at the same time.
◆ How to extend the usefullife of the product● Do not apply lubricant to the lock case.
● To clean the product surface, wipe with a soft dry cloth. Wipe the buttons
and surrounding area regularly. If they are visibly dirty, clean with a neutraldetergent.

If you see any abnormalities in the door or ﬁttings to which the product is installed, consult a certiﬁed locksmith.
4

Nagasawa Manufacturing Co., Ltd.
www.nagasawa-mfg.co.jp

Tel: +81 3 5383 1811
E-mail: contact@nagasawa-mfg.co.jp
Web: www.nagasawa-mfg.co.jp
1

Names of parts

7264404
Interior escutcheon

Main unit

Cover

Cylinder forcode change

RESET button
Buttons
for code entry
ENTER button

Accessories

For use without cover
Remove the main unit from the door.
Lift the cover as shown in theillustration, and pull out.

(Used to change
the set code)① Press the RESET button.

2 Setting a new code
① Press the RESET button.

(Used to change
automatic locking)Fit the main unit spacer into therecesses on the rear of theexterior-side main unit.
Secure the main unit to the door.

②Insert the key into the cylinder
for code change.

position.

NOTICE③ Turn the key 90 degrees to the③ Insert the key into the cylinder

RESET position (turn clockwise).

② Enter the③ Press theIf the entered code is invalid,press the RESET button
and reenter the set code.

The button is released
if the entered code is invalid.
The button remains depressed
if the code is valid.

set code.

ENTER button.

④ Turn the lock turnto disengage the lock.

Triggerand pull out.

Switching to AUTO LOCK

Conﬁrm that it has been properly reset.

⑤ Turn the key to its original positionand pull out.

⑤ Push in the ENTER button and conﬁrm
that it stays pushed in.

◆ Turn the lock turnto disengage the lock

◆ For the type with key, you can unlock the door
without pressing the buttons
for code entry, by using the key.
Insert the key into the cylinder on
the bottom of the main unit.
Turn and remove the key, then open
the door.

NOTICE* It will not stay pushed in
if it has not been reset.

① Keep the lock turn in the unlockingposition.

② Use a coin or similar object to turn the freeConﬁrm that the code number is set.

passage switching plug on the interior
escutcheon to AUTO LOCK (turncounterclockwise).
Free passage
switching plug

⑥ Perform steps ① to ④ of

⑥ Turn the lock turn and conﬁrm thatthe ENTER button returns.

“Unlocking the door using thebuttons” in “How to unlock thedoor” on page 2 to conﬁrm
that it is unlocked.

Groovehorizontal③ Conﬁrm that the trigger sticks out.
Trigger◆ Remove your hand from the lock turn when opening the sliding door. Use another handle ﬁtted to open.
2④ Conﬁrm that the trigger is pulled in.

④ Turn the key to its original position

NOTICE

3 Unlocking the door using the key

Free passage
switching plug

position (turn counterclockwise).

Do not move the lock turnwhile pressing the ENTER button
downwards.

ENTER button

passage switching plug on the interior
escutcheon to FREE (turn clockwise).

Groovevertical④ Turn the key 90 degrees to the SET*The lock turn turns freely when the lock is engaged.

③ Use a coin or similar object to turn the freefor code change.

*These instructions apply for right-opening installations. Reverse for left-opening installations.

1 Unlocking the door using the buttons

the door
2 Unlocking
from the interior side

If the product is switched to FREE, the door
will not lock automatically when closed.

② Keep the lock turn in the unlocking② Enter a new code.
Do not insert
the key ﬁrst.

Main unit spacer

Interior side

How to unlock the door

How to switch to FREE

① Perform the unlocking operation.

Free passage
switching plug

Exterior side

RESET button.

1 Clearing the set code

NOTICE Keep the sliding door open when making changes.

Perform steps ① to ③ of“Unlocking the door using
the buttons” in “How to unlockthe door” on page 2 to unlock.

Lock turn① Press theHow to change the set code

321.09.01