e.Mark location of Main Burner with Pilot Bracket on gas manifold.

f.Hold Main Burner on throat. Lift front of burners to clear orifice. Burner which holds pilot can be removed by lifting the burner adjacent to its right first.

2.Disconnect Vent Connector and Vent Pipe from Blower Outlet.

3.Remove Jacket Top Panel.

4.Disconnect the Black and Gray Silicone Tubing from the Canopy.

5.Disconnect Wiring Harness from Blower Motor.

6.Remove Canopy/Blower Assembly.

a.Loosen the (4) screws from Canopy.

7.Remove Flue Gas Baffles. Inspect Flue Gas Baffles for deterioration.

8.Inspect flue passages. Clean with flue brush. See

Figure 30.

9.Inspect heating surface in combustion chamber. Clean with straight handle wire brush.

10.Install Flue Gas Baffles.

11.Replace Canopy Assembly and seal.

12.Connect Silicone Tubing between Pressure Fittings on Canopy Assembly and Pressure Switch. Route through bushings in Vestibule Panel . See Figure 28.

13.Install Jacket Top Rear Panel.

14.Connect vent system. See Figure 29.

15.Connect Blower Motor Wiring Harness

Figure 28: Silicone Tubing Assembly

Figure 29: Blower Vent Connector Assembly

E.Main Burners and Firebox.

1.Vacuum firebox. Exercise care - do not damage base insulation.

2.Clean main burners. Brush top of burners with soft bristle brush. See Figure 30. Vacuum to remove any dirt and lint.

3.Vacuum tip of pilot burner.

4.Check gas orifices for lint and dirt. Clean as necessary.

5.Install main burners by reversing procedure to remove burners.

a.Pilot burner must be installed in original location. See Table 14.

b.Main burners must be properly secured in burner tray slot at rear of firebox and over gas orifice.

See Figure 30.

c.Pilot gas supply and pilot lead wires must be reconnected.

d.Burner access panel must be securely in place.

e.Reconnect Flame Roll-out wires.

F.Check operation. Follow steps G through P from Section VIII: System Start-up.

G.Procedure for measuring differential pressure (See Figure 31).

1.With boiler off, remove Gray and Black Hoses at differential pressure switch.

2.With tees and ¼ inch aluminum stubs, connect water manometer as shown with additional tubing.

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Image 47
Burnham PVG manual Main Burners and Firebox, Procedure for measuring differential pressure See Figure
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PVG specifications

Burnham PVG, an innovative leader in the heating industry, presents a range of high-efficiency gas boilers that are designed specifically for residential applications. Burnham has established a solid reputation for producing reliable and durable heating solutions, with the PVG series exemplifying their commitment to quality and performance.

One of the standout features of the Burnham PVG is its advanced stainless steel heat exchanger. This design not only ensures superior heat transfer but also enhances durability and resistance to corrosion compared to traditional cast iron counterparts. The use of stainless steel contributes to the longevity of the system, allowing homeowners to enjoy efficient heating for years with less risk of breakdown.

The PVG series incorporates cutting-edge modulating technology, which adjusts the boiler’s output to match the heating demand. This modulating feature allows for more precise temperature control, optimizing energy consumption and minimizing fuel costs. Unlike conventional boilers that operate at a fixed output, the ability to modulate enables the PVG to deliver precisely the right amount of energy when needed, thus enhancing overall system efficiency.

In addition to its efficiency and performance capabilities, the Burnham PVG is designed with ease of installation and maintenance in mind. The compact design enables versatile installation options, even in tight spaces or retrofit applications. Furthermore, the accessible panel layout simplifies service and maintenance tasks, allowing HVAC professionals to perform routine checks and repairs with ease.

The PVG series also emphasizes user-friendly operations, featuring intuitive controls that allow for straightforward adjustments and monitoring. With options for direct vent and conventional venting systems, homeowners can select the best installation method for their specific needs and living environment.

Additionally, the Burnham PVG aligns with environmental considerations by meeting stringent emissions standards, contributing to reduced greenhouse gas outputs. With its energy-efficient operation and commitment to sustainability, the PVG series represents a forward-thinking choice for those looking to reduce their carbon footprint while enhancing home comfort.

In summary, Burnham PVG is characterized by its durable stainless steel construction, modulating technology, compact design, user-friendly controls, and eco-conscious performance. This series exemplifies what modern residential heating solutions should aspire to achieve: efficiency, reliability, and sustainability, making it an excellent choice for intelligent energy management in the home.
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