Manuals / QHT / Household Appliance / Boiler

QHT B3-B9 installation instructions Blocked Flue Switch

Models: B3-B9

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7.1 Common Exhaust Venting Cont.

3.Insofar as practical, close all building doors and windows and all doors between the space in which the appliance remaining connected to the common venting system is located and other spaces of the building . Turn on any appliance not connected to the common vent system. Turn on all exhaust fans except for summer exhaust fans. Close the fireplace damper if applicable.

4.Place in operation the appliance being inspected. Follow the lighting instructions. Adjust thermostat so appliance will operate continuously.

5.Test for spillage at the barometric damper opening after 5 minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar or pipe.

6.After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above, return the doors, windows, exhaust fans, fireplace dampers and any other gas-burning appliance to their previous condition of use.

7.Any improper operation of the common venting system should be corrected so the installation conforms with the National fuel Gas Code, ANSI Z223.1 and/or CAN/CGA B149, Installation Codes. When resizing any portion of the common venting system, the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Part 11 of the National Fuel Gas Code, ANSI Z223.1, and/or CAN/CGA B149, Installation Codes.

7.2Blocked Flue Switch:

1.Pierce a 5/8” hole into the vent pipe near the appliance outlet. Remove one of the securing nuts from the pipe of the safety switch. Tighten the other securing nut onto the pipe as far as possible.

2.Insert the threaded pipe end into the pierced hole, then install the securing nut, then install the securing nut, which was removed in step 1, and tighten securely.

3.Please consult the wiring section of this manual for the wiring of the blocked flue switch.

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QHT B3-B9 installation instructions Blocked Flue Switch
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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.