72616101- K423C,K423CM,K423CD - K423P,K423PM,K423PD -Thank you for selecting a Nagasawa product.
Please read this manual to ensure correct installation of the product.
When transferring the ownership, provide the separate Instruction Manual (for Homeowner) to the homeowner.
Always use a manual screwdriver to tighten screws. Do not use an electric screwdriver.

Installation Manual - Autolock Lever Type -Check the list/table of package contents and make sure the package contains all the parts.

取扱説明書

A Main unit

1

B Mode switchingunit
1

D Main unit
mounting screw
40 mm long7C Lever handle unit
1

E ADS lockset

1

F Strike plate set

1

G Lock/strike plate
mounting screw
25 mm long4

H Hex socket screw
8 mm long1

I Hex key

1

J Instruction Manualset
1

K Key (packedtogether with Ⓙ)(Not included inK423P)
2

Do not close the door until you have conﬁrmed that the lock functions properly.

2 Preparation for installation: 5 (Use a wedge or similar object to keep the door open.)

1 Names of parts【自動施錠】から【空錠】への切替方法

Mode switching unit

Main unit

Check the door handing by viewing from the main unit.

【1】Checking the door handing①押す②現在の記憶番号③押す⑤Free に合せる

Left hand④下げたまま【空錠】から【自動施錠】への切替方法④室外側のレバーを下げたまま⑤切替ツマミを Auto Lock に合せる

Cover

Thumbturn

RESET button
Cylinder for code change
Used to change the set code
(The type with plug for codechange is also available.)

Buttons for code entry

The code is preset at the factory.
The default code can be foundin the Instruction Manual.

ENTER button[Free][Auto Lock][Dead Lock] Used to switch
locking modes

Cylinder for unlock(For type with key and dead-lock type only)

Exterior side

Exterior side

Right hand

The position of the product will be the mirror
opposite for a left-hand swinging door.

Dead Lock seal
(For dead-lock typeonly)

IInterior lever escutcheon

Lever handles

Interior side【2】Position and secure the lever handle of the main unit Ⓐ after identifying
the door handing.

DEAD LOCK button(For dead-lock type only)

Lever handle
Default factory-set position

Interior side

The lever handle isfactory-set to the up position.

HAligning the holes(The illustration shows theproduct installed for aright-hand swing door.）I:

Press the RESET button and enter the valid set
code. (See page 1 in the Instruction Manual forthe default code.)
II: Tilt the lever handle 30 degrees after
identifying the door handing, and align thelever washer drill hole with the lever shaft
tapped hole.
III: While aligning the holes, secure the hex socket
screw Ⓗ using the hex key Ⓘ.
*: Once the hex socket screw Ⓗ is secured, thelever will only slide to the extent permitted bythe hex socket.

IV: Position the lever handle after
identifying the door handing.
Once the safety mechanism activates,forcibly move the lever handle
sideways.
This step is complete when the leverturns sideways.
V: Press the RESET button and enter thevalid set code. Press down on thelever handle. It should return to its
original position when released.

35

Drilling mounting holes in the door

Function check: If the lever handle does not operate properly, check 2 【2】and 4 once again.
Interior side

Drill holes for installing the KEYLEX main unit Ⓐ, ADS lockset Ⓔ, and strike plate set Ⓕ. (See the template of theKEYLEX main unit on the attached sheet.)

UnlockExterior side

① Push down on the lever handle,
then the latch retracts.

B

II: Secure the strike plate set Ⓕ using the two lock/strike
plate mounting screws Ⓖ.

D② Enter the set code.

①③ Press the ENTER button.
(This button will remain
depressed when a valid code isentered.)②* For the type with key, remove the key before installation.
Secure the ADS lockset Ⓔ using the two lock/strike
plate mounting screws Ⓖ.

① Press the RESET button.
(Clears an erroneously set code.）

Unlock

4 Installing the lockset, strike plate, and KEYLEX 4000
I:

③④

①

IV: Insert the square shaft of the main unit Ⓐ into the ADS
lockset Ⓔ square hole.
V: Secure the mode switching unit Ⓑ from the interiorside using the four main unit mounting screws Ⓓ.

Turn the thumbturn
lengthways

VI: Secure the lever handle unit Ⓒ from the interior sideusing the three main unit mounting screws Ⓓ. (Makesure the lever handle is correctly oriented.)

D

Lock

① The door locks automatically when closed(when set to Auto Lock).

Lock① The door locks automatically when closed(when set to Auto Lock).

For the type with key, use the key to unlock the door without pressing the code entry buttons,
Unlock: ① Insert the key into the cylinder. Keep turning the key to unlock, then pull the lever to open the door.

Switching to FreeC

④ Push down on the lever handle,
then the latch retracts.
(The ENTER button pops backup.)* Do not move the lever handle
while pressing the ENTER button.

III: Position the main unit Ⓐ on the exterior side.
AYou can set the product to Free (from Auto Lock) so the door does not
automatically lock when closed.
Perform this procedure with the door open.

⑤ Turn thethumbturn for themode switchingunit to the Freeposition.

① Press the RESET button.

Square shaft② Enter the set code.

Square hole

③ Press the ENTER button.

E72616101

G④ Press down on thelever handle. (Thedeadlatch retracts.)⑥ Move the leverhandle of themain unit to its
original position.

FG

The illustration shows the product installed for a right-handTo switch from Free to Auto Lock, turn the thumbturn for the mode switching unit to the Auto Lock position while
holding down the lever.

(The position is the mirror opposite for a left-hand swing door.)

Switching to Dead Lockswing door.

The key is required to unlock the door.

This feature is useful if you want to disable unlocking via the buttons to limit the number of people capable ofunlocking the door.

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.jp① Press and hold down
the DEAD LOCK button.

② Turn the thumbturnto the Dead Lock position.

To switch from Dead Lock toAuto Lock, turn the thumbturnto the Auto Lock position.
(Do not press the DEAD LOCKbutton.)！ The key is required to unlock the door from the exterior side. Always carry the key with you after setting the product to Dead Lock .
19.06.01