Desa GVC65NA, GVC50NA, GVC35NA installation manual Lighting Instructions

Page 26

TROUBLE-

SHOOTING

Continued

26

OBSERVED

POSSIBLE

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

Burner backfiring

1.

Burner orifice is

1.

Clean burner (see

during combustion.

 

clogged or damaged.

 

Cleaning and Mainte-

 

 

 

 

nance, page 23) or

 

 

 

 

replace burner orifice

 

 

 

 

(see Changing Burner

 

 

 

 

Orifice, page 30).

 

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

burner combustion.

 

 

 

and debris. If found,

 

 

 

 

clean burner (see

 

 

 

 

Cleaning and Mainte-

 

 

 

 

nance, page 23).

 

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

1.

Pilot flame not lit.

1.

Light pilot burner (see

respond to thermo-

 

 

 

Lighting Instructions,

stat.

 

 

 

page 18).

 

2.

Pilot flame not prop-

2.

Pilot flame needs

 

 

erly heating end of

 

adjusting. Contact a

 

 

thermocouple.

 

qualified service person.

 

3.

Pilot burner orifice

3.

Clean pilot burner (see

 

 

clogged or damaged.

 

Cleaning and Mainte-

 

 

 

 

nance, page 23).

 

4.

Control valve defec-

4.

Replace control valve.

 

 

tive.

 

 

 

5.

Temperature at ther-

 

 

 

 

mostat bulb satisfied.

 

 

 

 

 

 

 

Heater produces a

1.

Air in gas line.

1.

Operate burner until air

whistling noise when

 

 

 

is removed from line.

burner is lit.

 

 

 

Have gas line checked

 

 

 

 

by local natural gas

 

 

 

 

company.

 

2.

Air passageways on

2.

Observe minimum

 

 

heater blocked.

 

installation clearances

 

 

 

 

(see Figure 3, page 7).

 

3.

Dirty or partially

3.

Clean burner (see

 

 

clogged burner orifice.

 

Cleaning and Mainte-

 

 

 

 

nance, page 23) or

replace burner orifice (see Changing Burner Orifice, page 30).

100749

Image 26
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualFor Your Safety Contents Safety Information Carbon monoxide poisoning may lead to deathSafety Information Product Identification Check GAS Type Local Codes Unpacking Product FeaturesInstallation Items Locating Heater Heater ClearancesVenting Heater Venting Heater Do not vent heater in any of the following ways see FigureVenting Heater Proper Size Vent Connecting to GAS Supply Connecting Heater to Utility Gas LineGas Connection Pressure Testing Gas Supply Piping System Checking GAS ConnectionsFresh AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater Location Draft Hood Spillage TestVentilation Air from Outdoors Example 2 Locating Heater in Confined Closed Area Lighting Instructions For Your Safety Read Before LightingOperating Heater Viewing Pilot To Turn OFF GAS to Appliance Manual Lighting ProcedureBlower Operation Shutting Off HeaterBurner Flame Pattern Inspecting Pilot and Burner FlamePilot Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Trouble Shooting Observed Possible Problem Cause RemedyCleaning and Mainte TROUBLE- ShootingLighting Instructions Ing statement at TopService Procedures Removing Control Valve and Burner TubeRemoving Burner Changing Burner Orifice Blower WiringDiagram 35,000 BTU/Hr 50,000 BTU/Hr Technical ServiceService Hints Accessories ModelParts Not Under Warranty Ordering Replacement Parts CentralsParts Under Warranty Illustrated Parts List Cabinet AssemblyBurner Assembly Parts List Warranty Information Limited Warranty Vanguard Vented Natural GAS Heaters

GVC35NA, GVC50NA, GVC65NA specifications

Desa GVC series heaters, including models GVC35NA, GVC65NA, and GVC50NA, are prominent products in the realm of gas-fired heating solutions. These heaters are designed for residential and light commercial applications, providing a reliable heat source with high efficiency.

The GVC35NA has a heating capacity of 35,000 BTU, making it an excellent choice for smaller spaces. It features a compact design, allowing for easy installation in various settings. The advanced vent-free technology incorporated into the GVC35NA enables it to operate without the need for external venting, maximizing efficiency and eliminating heat loss. Additionally, this model includes an oxygen depletion sensor (ODS), which ensures safety by shutting off the unit if oxygen levels drop below a certain threshold.

Moving on to the GVC50NA, this model provides a mid-range heating capacity of 50,000 BTU. This unit is ideal for medium-sized rooms and offers the same vent-free technology as the GVC35NA. The GVC50NA's unique design also enhances airflow, ensuring a consistent and comfortable temperature throughout the space. Like its counterpart, it is equipped with the ODS for added safety, making it suitable for use in bedrooms and other enclosed areas.

The GVC65NA represents the upper end of the GVC series, boasting a robust heating capacity of 65,000 BTU. Designed for larger spaces, it features multiple heat settings, allowing users to customize their heating experience based on specific needs. The unit’s sleek design not only provides aesthetic value but also incorporates a built-in blower option, enhancing air circulation and ensuring even heat distribution. Safety remains a priority with the GVC65NA, which includes an ODS as well as a built-in thermostat for precise temperature control.

All models in the GVC series come equipped with simple control mechanisms, ensuring ease of use. They also utilize glowing ceramic elements for efficient and effective heating. Furthermore, the stylish exterior and compact design of these heaters make them an attractive addition to any room.

In summary, the Desa GVC35NA, GVC65NA, and GVC50NA heaters provide a comprehensive range of heating solutions, combining efficiency, safety, and ease of use. Their vent-free operation, built-in safety features, and aesthetic designs make them ideal choices for a variety of heating needs. Whether for small, medium, or large spaces, there is a GVC model to meet specific requirements, ensuring comfort and warmth for users.