QHT B3-B9 installation instructions 7248U Wiring Procedure

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11. Wiring

7248U WIRING PROCEDURE

If you received a Honeywell 7248U with your Biasi boiler, you will need to make the changes shown above, and described below to the wiring diagrams.

1.Run wire 1 to the L1 terminal on the 7248U instead of running wire 1 to the 4006A.

2.Run wire 2 to the L2 terminal on the 7248U instead of connecting to wire 4.

3.Run wire 4 to the B2 terminal on the 7248U instead of connecting to wire 2.

4.Run wire 5 to the B1 terminal on the 7248U instead of connecting to the isolated end switch.

5.Lastly, run low voltage wiring from the TT terminals on the 7248U to the isolated end switch.

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Contents Manufactured by Biasi S.p.A Verona, Italy Distributed By Phone FAXPage Table of Contents Important Information Please read this page carefullyPage Homeowner Information for Gas To Start UP the ApplianceGeneral Information Trim Kit ComponentsGas systems only Boiler Block Assembly Do not Over Tighten Draw RodsBoiler Location Installation of Boiler Trim Components Switch Gas systems onlyInstallation of Boiler Trim Components Boiler Tapping DiagramSafety Relief Valve Piping the BoilerIntake Venting Figure a Exhaust Venting Common Exhaust VentingBlocked Flue Switch Gas Venting Burner Setup OilGas Oil Burner Setup Burner ManufacturerGas Burner Setup Installation of Sediment Trap and Burner Supply Gas Line PipingBoiler Jacket Assembly Wiring 7248U Wiring Procedure Oil Burner Wiring Riello OIL BURNER, SR504, Control Wiring with DHW Priority Riello OIL BURNER, AZ-4P, Control Wiring with DHW Priority Carlin OIL BURNER, SR501, Control Wiring with DHW Priority Page Heatwise SU-2A, SR503, Control Wiring with DHW Priority Page Maintenance CommissioningInstaller Notes System CheckoutPage Page Tear on this Line

B3-B9 specifications

The QHT B3-B9 is a remarkable series of versatile vehicles designed to cater to a wide array of industries, including construction, mining, and heavy-duty logistics. With a focus on durability, efficiency, and innovative technology, the QHT B3-B9 stands out as a preferred choice for demanding tasks.

One of the key features of the QHT B3-B9 series is its robust frame construction, which employs high-strength steel to ensure maximum durability in harsh working conditions. This resilience allows the vehicle to withstand significant payloads while minimizing wear and tear, reducing maintenance costs over the long haul. Additionally, the design includes advanced corrosion resistance treatments, extending the vehicle's lifespan even in challenging environments.

The QHT B3-B9 is powered by a state-of-the-art engine, which adheres to the latest emissions standards while delivering impressive fuel efficiency. This engine utilizes advanced fuel injection technology, optimizing power output without compromising environmental responsibility. The combination of high torque and superior power-to-weight ratio enables the vehicle to perform effectively across various terrains, ensuring stability and control under load.

Another notable characteristic of the QHT B3-B9 series is its emphasis on operator comfort and safety. The cabin is ergonomically designed, featuring adjustable seating, intuitive controls, and enhanced visibility. This focus on user experience not only enhances productivity but also minimizes operator fatigue during long hours of operation. To further improve safety, the vehicle is equipped with comprehensive monitoring systems that provide real-time feedback on performance and potential issues.

Technologically, the QHT B3-B9 integrates advanced telematics, allowing operators and fleet managers to track performance metrics, fuel consumption, and maintenance schedules. This connectivity enables proactive management, reducing downtime and improving overall efficiency.

In conclusion, the QHT B3-B9 series represents a harmonious blend of strength, efficiency, and modern technology, making it an invaluable asset for businesses that require reliable performance in demanding environments. Its innovative features and commitment to operator safety and comfort ensure that it remains a top choice among heavy-duty vehicles in its class.