Introduction
Thank you for choosing the BN-LINK U135BL 7-Day Programmable Astronomical Timer Switch. This device is designed to automate your lighting based on astronomical events like sunrise and sunset, offering convenience and energy efficiency. Please read this manual thoroughly before installation and operation to ensure proper use and safety.
Consignes de sécurité
- Fil neutre requis : A neutral wire is essential for the installation of this timer switch.
- Single Pole Only: This timer switch is designed for single-pole installations only.
- Listé ETL : This product is ETL listed, ensuring compliance with North American safety standards.
- Électricien qualifié : Always have a qualified electrician install this product to prevent electrical hazards.
- Power Off at Breaker: Before any installation or maintenance, always cut off power at the circuit breaker to avoid electric shock.
Configuration et installation
1. Déballage et préparation
The package includes the BN-LINK U135BL timer switch, a wall plate, mounting screws, and twist-on wire connectors. You will need a flat-head screwdriver and a Phillips head screwdriver for installation.
2. Instructions de câblage
Important: Assurez-vous que le courant est coupé au niveau du disjoncteur avant de continuer.
- Unscrew and remove the existing wall plate and switch.
- Verify the presence of a neutral wire in your wall box. A neutral wire is typically white.
- Connectez le fil noir of the timer to the hot wire of the wall box using a twist-on wire connector.
- Connectez le fil rouge of the timer to the fil de charge of the wall box using a twist-on wire connector.
- Connectez le fil blanc of the timer to the fil neutre of the wall box using a twist-on wire connector.
- Connectez le fil vert of the timer to the fil de terre of the wall box using a twist-on wire connector.
- Carefully push the wired timer switch into the wall box and secure it with the provided screws.
- Fixez la plaque murale.

3. Initial Power-On and System Reset
- Remettez le courant au niveau du disjoncteur.
- If the screen is blank, dim, or flashing, allow the internal battery to charge for 10 minutes.
- Press the "RESET" button to reset the system. The screen display will flash.
- Hold the "SET" button for 3 secondes to quit the flashing clock display.
Note: The system time and all settings will be erased after a system reset.
4. Setting Current Date, Time, and Sunrise/Sunset Time
Follow these steps to configure the basic time settings:
- Année de définition : Press "SET". The year (e.g., 2018) will flash. Use "+" or "-" to set the current year (from 2018 to 2099).
- Set Month and Day: Press "SET" again to confirm the year. The month and day will flash. Use "+" or "-" to set the current date (from 1.1 to 12.31).
- Set Hour and Minute: Press "SET" again to confirm the date. The hour and minute will flash. Use "+" or "-" to set the current time (from 12:00 AM to 11:59 PM). Ensure you select the correct AM/PM format.
- Confirm Time and DST: Press "SET" to confirm the correct time. Then use "+" or "-" to set DST (Daylight Saving Time) to ON or OFF. Enable DST if your region observes it to avoid manual adjustments.
- Choisissez le fuseau horaire : Press "SET" to confirm DST setting. The Time Zone will flash. Use "+" or "-" to choose your local time zone from PAC (Pacific), MOU (Mountain), CEN (Central), EAS (Eastern), HAW (Hawaii), and ALA (Alaska).
- Set Sunrise/Sunset Time: Press "SET" to confirm the current time zone. The sunrise time will flash. Use "+" or "-" to set the correct sunrise time for your time zone. Press "SET" again, and the sunset time will flash. Use "+" or "-" to set the correct sunset time.
- Paramètres de sortie : Press "SET" to confirm the sunset time and exit the setting process. If you are in Daylight Saving Time, check if the DST icon is displayed.
Conseil: If you want to quit setting at any stage, hold "SET" for 3 seconds or leave the buttons untouched for 90 seconds. Pressing "+" or "-" once changes values by one unit. Holding for less than 2 seconds changes by 6-8 units/second. Holding for 2 seconds or more changes by 60 units/second.
Mode d'emploi
1. Setting ON and OFF Events (Programs)
La minuterie prend en charge jusqu'à 18 programmes marche/arrêt. Pour programmer un cycle :
- Press "PROG". The display will show "--:--".
- Press "SET" to set the first ON event. The day of the week will flash first. Use "+" or "-" to choose the desired day(s) or day combination (e.g., MO TU WE TH FR SA SU, MO, TU, WE, TH, FR, SA, SU, MO TU WE TH FR, SA SU).
- Press "SET" to confirm the day(s). The time will flash. Use "+" or "-" to set the desired ON time (from 12:00 AM to 11:59 PM). If you want to choose sunrise or sunset time as the ON time, press the 'D/D' button once for sunrise or twice for sunset.
- Press "PROG" to confirm the ON event. The display will show "--:--" again.
- Press "SET" to set the first OFF event. The day of the week will flash first. Use "+" or "-" to choose the desired day(s) or day combination.
- Press "SET" to confirm the day(s). The time will flash. Use "+" or "-" to set the desired OFF time (from 12:00 AM to 11:59 PM). If you want to choose sunrise or sunset time as the OFF time, press the 'D/D' button once for sunrise or twice for sunset.
- Press "PROG" to confirm the OFF event. The display will show "--:--" again.
- Repeat steps 2.2 to 2.6 to set additional programs, up to a maximum of 18.
Conseil: To quit event setting at any stage, hold "PROG" for 3 seconds or leave the keys untouched for 90 seconds. To clear or resume the current input, press either the ON/OFF key once or twice. To revise a previous input, press 'SET' to shift to the relevant stage and make the correction.

2. Mode automatique/manuel
This timer switch has two operating modes: MANUAL (MAN ON/MAN OFF) and AUTO (AUTO ON/AUTO OFF).
- Modes de commutation: After completing program setup, press and hold the ON/OFF button for 3 seconds or longer to switch between MANUAL and AUTO modes.
- Mode manuel: Press ON/OFF to turn the timer constantly ON or OFF.
- MAN ON : La puissance de sortie est constamment activée.
- MAN OFF : La puissance de sortie est constamment désactivée.
- Mode automatique: Press ON/OFF to temporarily turn the timer ON or OFF.
- AUTO OFF: Power output is temporarily cut off and will be resumed upon the next ON event.
- AUTO ON: Power output is temporarily active and will be cut off upon the next OFF event.
Note: Ensure the timer switch is set to AUTO mode for it to operate based on the programmed settings.
3. Daylight Savings Time (DST) Mode
The DST mode automatically adjusts the time, eliminating the need for manual changes and ensuring accurate lighting control year-round.
- Activate/Deactivate DST: Temporarily activate or deactivate DST by holding the "+" button for 3 seconds.
- When DST is ON, the DST icon will be displayed on the screen.
- When DST is OFF, the icon will disappear.
4. Mode aléatoire
Activate the "Random" vacation mode to randomize light schedules, creating the illusion that your home is occupied to deter potential intruders.
- Activate/Deactivate Random Function: Press and hold "-" for 3 seconds or more to activate or deactivate the random function.
- When this function is active, the "RND" icon will display.
- At least one program must be set before activating the random function.
- When the random function is active, the ON and OFF events will be randomly postponed by 0-30 minutes respectively.

Entretien
The BN-LINK U135BL timer switch requires minimal maintenance. Ensure the device is kept clean and free from dust. Do not use abrasive cleaners or solvents. In case of any issues, refer to the troubleshooting section or contact customer support.
Dépannage
Problem 1: No screen display or faded display.
Cause possible : Batterie faible.
Action corrective: Energize the timer to charge the internal battery for 10 minutes, then press the "RESET" button to reset the timer.
Problem 2: Timer does not turn on or off as programmed.
Possible Cause A: La minuterie fonctionne en mode manuel.
Action corrective: Switch the operation mode to AUTO by holding the ON/OFF button for 3 seconds.
Possible Cause B: La fonction aléatoire est activée.
Action corrective: Deactivate random function by holding the "-" button for 3 seconds.
Possible Cause C: DST is disabled, while the device is located in a region that observes DST. As a result, the internal time was not adjusted when DST started or ended, causing the scheduled operations to run at incorrect times.
Action corrective: Enable DST by following the time setting procedure on the timer switch (hold "+" for 3 seconds).
Possible Cause D: Current system time on the timer switch is incorrect.
Action corrective: Verify and correct the current time setting on the device by following the time setting procedure on the timer switch.
Possible Cause E: Les programmes n'ont pas été correctement réglés.
Action corrective: Re-program the timer following the operating instructions in this manual.
Caractéristiques
| Mode de fonctionnement | MARCHE-ARRÊT-MARCHE |
| Évaluation actuelle | 15 Amps |
| Vol d'exploitationtage | 125 volts |
| Type de contact | Normalement fermé |
| Type de connecteur | Clamp |
| Marque | BN-LIEN |
| Terminal | Vis |
| Dimensions de l'article L x l x H | 4.6 x 2.8 x 1.6 pouces |
| Type d'actionneur | Bouton poussoir |
| Matériau de contact | Métal |
| Nombre de postes | 18 |
| Type de contrôleur | Bouton poussoir |
| Méthode de contrôle | Touche |
| Couleur | Blanc |
| Quoitage | 1875 watts |
| Nombre d'unités | 1.0 Nombre |
| Fabricant | BN-LIEN |
| Code UPC | 810079585892 |
| Numéro de pièce | BND-60 U135B |
| Poids de l'article | 5.5 onces |
| Dimensions du produit | 4.6 x 2.8 x 1.6 pouces |
| Numéro de modèle de l'article | U135BL |
| Style | Astronomical with Blue Backlight |
| Quantité du paquet d'articles | 1 |
| Piles incluses ? | Oui |
| Des piles sont-elles nécessaires ? | Oui |
| Type de cellule de batterie | NiMH |
Informations sur la garantie
BN-LINK products are designed to provide reliable performance. For specific warranty details, please refer to the documentation included with your purchase or contact BN-LINK customer support. Keep your purchase receipt as proof of purchase for warranty claims.
Assistance clientèle
If you require further assistance or have any questions regarding your BN-LINK U135BL Astronomical Timer Switch, please contact our support team:
- E-mail: support@bn-link.com
- Website: Visit the BN-LINK Store on Amazon
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