TROUBLE- SHOOTING

Continued

OBSERVED

POSSIBLE

 

 

 

PROBLEM

CAUSE

 

REMEDY

 

 

 

 

 

 

Burner backfiring

1.

Burner

orifice is

1.

Clean burner (see Clean-

during combustion.

 

clogged or damaged.

 

ing and Maintenance,

 

 

 

 

 

page 25) or replace

 

 

 

 

 

burner orifice.

 

2.

Burner damaged.

2.

Replace burner.

 

3.

Gas regulator defective.

3.

Replace control valve.

 

4.

Delayed ignition.

4.

See above.

 

 

 

 

 

Yellow flame during

1.

Not enough air.

1.

Check burner for dirt and

burner combustion.

 

 

 

 

debris. If found, clean

 

 

 

 

 

burner (see Cleaning and

 

 

 

 

 

Maintenance, page 25).

 

2.

Gas regulator defective.

2.

Replace control valve.

 

 

 

 

 

 

Slight smoke or odor

1.

Residues

from manu-

1.

Problem will stop after a

during initial opera-

 

facturing processes.

 

few hours of operation.

tion.

 

 

 

 

 

 

 

 

 

 

 

Burner fails to re- spond to thermostat.

1.Pilot flame not lit.

2.Pilot flame not properly heating end of thermo- couple.

3.Pilot burner orifice clogged or damaged.

4.Control valve defec- tive.

5.Temperature at thermo- stat bulb satisfied.

1.Light pilot burner (see Lighting Instructions, page 20).

2.Pilot flame needs adjust- ing. Contact a qualified service person.

3.Clean pilot burner (see Cleaning and Mainte- nance, page 25).

4.Replace control valve.

28

Heater produces a whistling noise when burner is lit.

1.Air in gas line.

2.Air passageways on heater blocked.

3.Dirty or partially clogged burner orifice.

1.Operate burner until air is removed from line. Have gas line checked by local propane gas company.

2.Observe minimum instal- lation clearances (see Figure 3, page 7).

3.Clean burner (see Clean- ing and Maintenance, page 25) or replace burner orifice.

100354

Page 28
Image 28
Vanguard Heating GVB50P, GVB35P installation manual TROUBLE- Shooting

GVB50P, GVB35P specifications

The Vanguard Heating GVB35P and GVB50P models represent a significant advancement in home heating technology, designed to cater to the needs of residential spaces with varying heating demands. These gas-fired boilers not only ensure optimal warmth but also focus on energy efficiency and user-friendly operation.

One of the main features of the GVB35P and GVB50P is their impressive heating capacity. The GVB35P is suitable for smaller homes or apartments, with a heating output of around 35,000 BTU, while the GVB50P is designed for larger spaces, offering an impressive 50,000 BTU. This versatility allows homeowners to select the most appropriate model for their specific requirements, ensuring efficient heating without unnecessary energy consumption.

Both models incorporate advanced condensing technology, which significantly enhances their efficiency ratings. By capturing and reusing heat that typically escapes through the flue in traditional boilers, the GVB35P and GVB50P achieve high Annual Fuel Utilization Efficiency (AFUE) ratings. This not only reduces the overall energy bill but also contributes to a lower carbon footprint, making these models an environmentally conscious choice.

The construction of the GVB35P and GVB50P features robust, durable materials aimed at maximizing longevity and reliability. The heat exchangers are designed to withstand high temperatures and pressures, ensuring safety and durability. Additionally, these models are equipped with a modulating gas burner, which allows for precise temperature control and minimizes energy wastage during operation.

User convenience is further enhanced by the inclusion of a built-in digital control system. This allows homeowners to easily adjust the heating settings remotely, ensuring homes are warm upon arrival without requiring constant manual input. Moreover, the low maintenance requirements of these models make them appealing to busy homeowners, as regular service intervals are reduced.

In summary, the Vanguard Heating GVB35P and GVB50P models combine advanced technology, high efficiency, and user-friendly features to deliver exceptional heating performance. Their durable construction, energy-saving capabilities, and modern controls make them an excellent choice for homeowners looking to enhance comfort while minimizing environmental impact. Whether for a small apartment or a larger home, these boilers stand out as a reliable heating solution.