Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Chamberlain 1/2 HP Ultra-Quiet Smart Garage Door Opener with Battery Backup, Model B2212T. This system is designed to offer reliable and quiet operation, enhanced security, and smart control capabilities through the myQ app. Please read this manual thoroughly before installation and use to ensure safe and proper operation.
Informació important de seguretat
ADVERTIMENT: To reduce the risk of severe injury or death, read and follow all instructions. This garage door opener is designed for residential use only. Do not install on one-piece doors. Ensure the garage door is balanced before installation. Keep children and pets away from the garage door area. Do not allow children to operate the opener or play with controls. Regularly inspect the garage door system for signs of wear or damage. Disconnect power before performing any repairs or maintenance.
- Always keep the remote controls out of reach of children.
- Never go under a moving garage door.
- Proveu el sistema de seguretat d'inversió de sentit mensualment.
- Ensure the safety sensors are properly aligned and free from obstructions.
Contingut del paquet
Verifiqueu que tots els components siguin presents abans de començar la instal·lació:
- Garage Door Opener Head Unit
- Battery Backup (12V battery included)
- One 3-button Remote Control
- Push Button Wall Control
- Safety Sensors (with mounting hardware)
- Maquinari d'instal·lació (cargols, suports, etc.)
- Manual d'instruccions (aquest document)

Image: Main unit and included accessories, including remote, wall control, safety sensors, and battery backup.
Configuració i instal·lació
Installation of the Chamberlain B2212T garage door opener requires basic tools and adherence to safety guidelines. It is recommended to have a second person assist during certain steps. Ensure your garage door is in good working condition and properly balanced before proceeding.
Comprovacions prèvies a la instal·lació:
- Verify the garage door is balanced and moves freely.
- Remove any existing garage door opener hardware if replacing an old unit.
- Ensure adequate overhead clearance for the opener and rail assembly.
Passos d'instal·lació (més enllà)view):
- Assemble the Rail: Connect the rail sections according to the instructions provided in the separate assembly guide.
- Mount the Opener: Securely attach the opener head unit to the ceiling or appropriate support structure above the garage door.
- Install the Belt Drive: Route and tension the steel-reinforced belt along the rail.

Image: Detail of the ultra-quiet, steel-reinforced belt drive system.
- Connect Safety Sensors: Mount and align the safety sensors on either side of the garage door opening, approximately 6 inches above the floor. Ensure the beam is unobstructed.
- Instal·leu el control de paret: Mount the push-button wall control in a visible location, at least 5 feet above the floor, away from moving parts of the door.
- Connectar l'alimentació: Plug the opener into a grounded electrical outlet.
- Límits de viatge del programa: Follow the on-screen or indicator light instructions to set the open and close limits for your garage door.
- Test Safety Reversal System: Place a 1.5-inch object (e.g., a 2x4 board laid flat) on the floor in the path of the door. The door should reverse upon contact.
Instal·lació de bateria de seguretat:
The included battery backup ensures operation during power outages. Install the 12V battery into the designated compartment on the opener head unit. Refer to the diagram on the unit for correct polarity.

Image: The 12V battery backup unit, designed for seamless integration.
Instruccions de funcionament
Ús del comandament a distància:
Press the large button on your 3-button remote control to open or close the garage door. The remote uses Security+ 2.0 technology for enhanced security.
Ús del control de paret:
Press the main button on the wall-mounted control to operate the garage door. This control also typically includes a light button and a lock feature.
myQ Smartphone Control:
The Chamberlain B2212T features integrated myQ technology, allowing you to control, secure, and monitor your garage door from anywhere using the myQ app on your smartphone.
- Descarrega l'aplicació myQ: Cerca "myQ" in your smartphone's app store and download the application.
- Crea un compte: Follow the in-app instructions to create a new myQ account or log in if you already have one.
- Connecta a l'obridor: The opener has improved Wi-Fi connectivity. Follow the app's prompts to connect your garage door opener to your home Wi-Fi network and link it to your myQ account.

Image: The myQ app displaying the status of the garage door, indicating it is closing.
- Supervisió i control: Once connected, you can open/close your garage door, receive activity notifications, and check the door's status remotely.

Image: MyQ app notifications showing recent garage door open and close events.
Manteniment
Un manteniment regular garanteix la longevitat i el funcionament segur de l'obridor de la porta del garatge.
- Mensual: Test the safety reversal system and safety sensors. Ensure the door reverses when an obstruction is detected.
- Anualment: Lubricate rollers, hinges, and bearings. Do not lubricate the belt drive. Check all hardware for tightness.
- Còpia de seguretat de la bateria: The battery backup unit is designed to provide power during outages. It will automatically recharge when power is restored. Replace the battery approximately every 1-2 years, or when the battery status indicator suggests replacement.

Image: The garage door opener head unit with the battery backup compartment visible for easy access.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| L'obridor no funciona amb un comandament a distància ni amb un comandament a distància de paret. | Sense alimentació; bateria del comandament a distància descarregada; comandament a distància no programat; sensors de seguretat obstruïts. | Check power connection. Replace remote battery. Reprogram remote. Clear safety sensor path and ensure alignment. |
| Door reverses unexpectedly or does not close. | Safety sensors obstructed or misaligned; travel limits incorrectly set; obstruction in door path. | Clear and align safety sensors. Re-program travel limits. Remove any obstructions. |
| myQ app connectivity issues. | Poor Wi-Fi signal; incorrect myQ account linking; network firewall. | Ensure strong Wi-Fi signal at opener. Re-link opener in myQ app. Check router settings for firewall restrictions. |
| L'abast remot és deficient. | Interference from LED lights; weak remote battery. | Replace LED bulbs with incandescent or Chamberlain-approved LED bulbs. Replace remote battery. |
Especificacions
| Número de model | B2212T |
| Potència del motor | 1 / 2 HP |
| Tipus de conducció | Belt Drive (Steel-Reinforced) |
| Connectivitat | Integrated Wi-Fi, myQ Technology, Security+ 2.0 |
| Còpia de seguretat de la bateria | Yes (12V battery included) |
| Pes de l'article | 35.3 lliures |
| Dimensions del producte | 120 x 10 x 8 polzades |
| UPC | 012381197781 |
Garantia i Suport
For warranty information, technical support, or to purchase replacement parts, please visit the official Chamberlain website or contact their customer service department. Keep your proof of purchase and product serial number handy when contacting support.
Camberlà Weblloc: www.chamberlain.com
Atenció al client: Refer to the contact information provided on the Chamberlain weblloc web o a l'embalatge del producte.





