BOTHSTAR IU-20 Smart Door Knob Instruction Manual

IU-20 SMART DOOR KNOB
Installation and User Guide

Required tools （not included）

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Lock Components

Prepare the door and check dimensions

Use template to mark holes

Drill two holes

Check dimenslons

Install the latch and strike

Setting latch（60MM or 70MM）

Install latch

Install strike plate

Adjust the latch to the distance you are going to install, 2-3/8″ or 2-3/4″(Backset 2-3/8” or 2-3/4”)
If the spindle holes of the latch are not aligned, repeat the 2-3/8″ and 2-3/4″ positions. This will automatically align the latch spindle holes.

Install the exterior keypad and the interior assembly

Install the exterior keypad
Pay attention to “THIS SIDE UP” on the spindle

Align the exterior keypad with the bore hole. Feed the power cable through latch.
The spindle on the exterior keypad should be aligned with the hole in the center  of the latch. Insert the spindle through this hole as you press the exterior keypadagainst the door.
Install the interior assembly feed power cable through hole in knob and guide spindle into knob.

After tightening the 2 fixing screws, the knob should be easily turned by handAfter your hand leaves the inside knob, the inside knob should easily return tthe original position.
If not, please re-adjust the position of the inside knob and tighten the screw.
Pull out the power cable

Do not pull the power cable too hard

Install the batteries and perform the door handing process

Install the interior cover

Features

• two ways to access: code and key
• 22 F to +176 F temperature range
• Low power consumption, 4 AA for 2 Years Battery Life or 20,000 times unlock
• Backlit keypad for use in low light environments
• 1 master code and 50 user codes
• Passage mode for hassle-free entry
• Color LED indicator lights up to show when codes and commands have been successfully entered
• Built-in disguise feature to protect your codes from prying eyes
• Low battery warning indication

Programming guide

Indicator light signals and beep

The color of the light indicates & beep ,the status of the lock.
Green

• a correct master passcode or user passcode was entered ,one long beep
• the programming process is complete ,one long beep

Red

• an incorrect master passcode or user passcode was entered,three short beep
• there was an error in programming, three short beep
• red blinking and beep after keypad backlit off indicates critically low battery

Passcode and Passcode Disguise
Control of the lock is simply 4-16 digit master passcode or 4-16 digit User passcode.
Passcode Disguise
This function is an added security feature which is aimed at preventing passcode theft. With Passcode Disguise, you may enter 40 digits into the keypad. As long as the correct passcode sequence is entered, regardless of how many digits were entered before or afterwards, the lock will unlock.
For example, if your user passcode is “112256“, you can successfully

Master passcode

• The master code MUST EXIST and can be modified, but cannot be deleted.
• The lock comes preset with default master passcode 123456
•  Used to put the lock in programming mode.
• Can unlock the lock
• Must be different from all of the User Codes currently in the lock.

If you forget the master passcode, you can reset the lock to factory settings,which restores the default master passcode. See Restore Factory Settings

Restore Factory Settings

To delete all user codes, including the master code, follow the instructions below:

1. Use a screwdriver to remove the screws from the interior cover.
2. Remove the cover and find the reset button located on the battery pack.
3.  Press and hold the reset button for 7 seconds until long beep are heard. The master passcode will return to the manufacturer default code ‘123456’.

After restore factory , Change the master passcode as soon as  possible! because of the master passcode can unlock the door.

Unlock with passcode

Green and one long beep
Code correct, you can turn the knob to open the door immediately, and it will be automatically locked later (the automatic locking time depends on the setting of the automatic locking timer, the default is 4 seconds).
Red and three short beeps
The code is incorrect, please re-enter the correct code and press the check button to confirm

Unlock with key
Insert the key on the outside keypad and twist. The first quarter turn should be very easy. After that you are retracting the latch by the force you apply with the key.It takes a little bit of effort. Twisting the knob at the same time you are turning the key helps a little too.
Note:
The mechanical key of this electronic door knob is completely independent, because the knob is relatively heavy, so using the key requires a little more force than the common mechanical lock.

User passcode

• User codes can be added, modified, deleted.
• The lock comes not preset any User Code
• Used to unlock the lock
• Must be different from the master passcode and other user passcodes
• Up to 50 possible User Codes can be stored in the lock at one time.

Keypad

Programming

»If you make a mistake during programming,press the check button repeatedly until the keypad lights up. Then start

PASSCODE

ADDING USER PASSCODE

Press| Press| Press| Enter| Press| Enter| Press| Enter same| Press|
---|---|---|---|---|---|---|---|---|---
| | | master passcode| | New user passcode| | New user passcode|
Note : The New Use Passcode must be different from all of the Passcodes currently in the lock.
CHANGING THE USER PASSCODE
Press| Press| Press| Enter| Press| Enter| Press| Enter| Press| Enter same| Press
| | | master passcode| | Unwanted
user passode| | New
user passcode| | New
user passcode|
Note : The New User Passcode must be differen from all of the Passcodes currently in the lock.
CHANGING THE MASTER PASSCODE
Press| Press| Press| Enter| Press| Enter| Press| Enter| Press| Enter same| Press
| | | master passcode| | master passcode| | New
master passcode| | New
master passcode|
Note :  The programming of the lock is controlled by the mas er code The master code MUST EXIST in the lock and cannot be deleted, but can ONLY be changed.
DELETING USER PASSCODE|
Press| Press| Press| Enter| Press| Enter| Press|
| | | master passcode| | unwanted
user passcode| |
DELETING ALL USER PASSCODE|
Press| Press| Press| Enter| Press|
| | | master passcode| |

PASSAGE

ENABLE EASY PASSAGE MODE

Press| Press| Press| Enter| Press
| | | master passcode|
With this EASY PASSAGE MODE active, you can open the door without requiring a passcode.
PRESS ANY KEY to turn off  this function when it is no longer needed.
ENABLE ADVANCED PASSAGE MODE

Press| Press| Press| Enter| Press| Press| Press
| | | master passcode| | |
With ADVANCED PASSAGE MODE active, you can open the door without requiring a passcode. Only UNLOCK WITH MASTER CODE can turn off  this function when it is no longer needed.

BEEPER

ENABLE ADVANCED PASSAGE MODE

Press| Press| Press| Enter| Press| Press| Press
| | | master passcode| | |
DISABLE BEEPER

Press| Press| Press| Enter| Press| Press| Press
| | | master passcode| | |
The beeper can be turned off if desired. Beeps will still sound to indicate a low battery.

AUTO-LOCK

SET AUTO-LOCK TIMER

Press| Press| Press| Enter| Press| Press| Press| Enter| Press
| | | master passcode| | | | auto-lock timer|
The automatic lock timer unit is seconds.Default is 4 seconds.
Minimum is 2 seconds, and the maximum is 255 seconds . if more then 255 seconds,will always unlock.

Troubleshooting

www.iulock.com
24hr online service

I cannot insert the spindle into the latch hole, because of the 2 sides of the spindle hole of the latch are not aligned?
Let the hole parts move a few times in the 2-3/8 and 2-3/4 positions and the spindle holes of the latch will automatically align.
Why is it beeping after keypad light off?
The battery may be low. Please replace the battery.
The lock doesn’t work?
Try replacing the battery or using the backup battery. If the lock still does not work, contact customer support.
Why can’t I open the door?
You may be waiting too long to open the door. After entering a code, turn the handle to open the door while the lock LED indicator light is green.
Once the LED indicator light is off, the lock will return to locked position immediately.
Why I can open without passcode?
You maybe active the passage mode, use master code access will turn off this function .
If you just installed it, make sure the “THIS SIDE UP” on the spindle is facing up (ceiling).
I forgot all my codes.
The lock must undergo a hard reset in order to set the master code back to default and erase all other codes. In order to perform a hard reset,please refer to the above “Restore Factory Settings”.
If none of the above information resolves your issue, please visit our website at: www.iulock.com

Warranty
Lifetime Limited Mechanical and Finish Warranty and 1-Year Limited Electronics Warranty Subject to the terms and conditions of the warranty, IULOCK extends a lifetime limited mechanical and finish warranty and a one-year limited electronics warranty to the original consumer user (“Original User”) of our IULOCK brand product (“Product”) against defects in material and workmanship, as long as the Original User occupies the residential premises upon which the Product was originally installed.See answers www.iulock.com for specific warranty details and limitations

Important Safeguards

1. Read all instructions in their entirety.
2. Familiarize yourself with all warning and caution statements.
3.  Remind all family members of safety precautions.
4. Protect your user passcode and master passcode.
5.  Dispose of used batteries according to local laws and regulations.

WARNING:
This Manufacturer advises that no lock can provide complete security by itself. This lock maybe defeated by forcible or technical means. or evaded by entry elsewhere on the property. No lock can substitute for caution, awareness of your environment, and common sense. Builder’s hardware is available in multiple performance grades to suit the application. In order to enhance security and reduce risk, you should consult a qualified locksmith or other security professional.

Template

Documents / Resources

| BOTHSTAR IU-20 Smart Door Knob [pdf] Instruction Manual
IU-20 Smart Door Knob, IU-20, Smart Door Knob, Door Knob
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References

• IULOCK – IU-20 smart door knob IU-20 keypad door knob IU-20 electronic door knob Simple is always better !

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