TROUBLE-

SHOOTING

Note: All troubleshooting items are listed in order of operation.

WARNING

Turn off and unplug heater and let cool before servicing. Unless you need gas supply for testing, shut off manual shutoff valve before servicing. Only a qualified service person should service and repair heater and venting system.

CAUTION

Never use a wire, needle, or similar object to clean pilot. This can damage pilot.

OBSERVED

POSSIBLE

 

PROBLEM

CAUSE

REMEDY

 

 

 

When ignitor button is pressed, there is no spark at pilot.

1.Incorrect spark gap.

2.Ignitor electrode posi- tioned wrong.

3.Ignitor electrode broken.

4.Ignitor electrode not con- nected to ignitor cable.

5.Ignitor cable pinched or wet.

6.Piezo ignitor nut is loose.

7.Broken or frayed ignitor cable.

8.Loose ignitor cable.

9.Bad piezo ignitor.

1.Adjust spark gap to 1/16".

2.Replace ignitor.

3.Replace ignitor.

4.Reconnect ignitor cable.

5.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry.

6.Tighten nut holding piezo ignitor to heater cabinet. Nut is located inside heater cabinet at top.

7.Replace ignitor cable.

8.Reconnect ignitor cable.

9.Replace piezo ignitor.

26

When ignitor button is pressed, there is spark at pilot but no igni- tion.

1.Gas supply turned off or manual shutoff valve closed.

2.Control knob not in PI- LOT position.

3.Control knob not pressed in while in PILOT posi- tion.

4.Air in gas lines when in- stalled.

5.Pilot is clogged.

6.Gas regulator setting is not correct.

1.Turn on gas supply or open manual shutoff valve.

2.Turn control knob to PI- LOT position.

3.Press in control knob while in PILOT position.

4.Continue holding down control knob. Repeat ig- niting operation until air is removed.

5.Clean pilot (see Cleaning and Maintenance, page

25)or replace pilot as- sembly.

6.Replace control valve.

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Desa CGB35N, CGB50N installation manual Trouble Shooting, Observed Possible Problem Cause Remedy

CGB50N, CGB35N specifications

Desa CGB35N and CGB50N are high-efficiency gas burners designed for various residential and commercial heating applications. These models stand out for their advanced technology, reliability, and user-friendly features.

The CGB35N is a compact, wall-mounted gas burner designed for efficient space heating solutions. With a thermal output of up to 35 kW, it is ideal for smaller homes or commercial spaces that require effective heating without excessive energy consumption. The burner is equipped with a modulating output, which allows it to adjust its power based on heating demands, leading to significant energy savings and consistent comfort levels.

In contrast, the CGB50N provides a higher thermal output of 50 kW, making it suitable for larger spaces or applications requiring additional heating capacity. Both models are designed to operate quietly and efficiently, ensuring a comfortable environment while maintaining low operational noise levels.

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Installation and maintenance of both units are straightforward, thanks to their compact design and accessible components. They come equipped with an intelligent control system that monitors performance in real-time, ensuring optimal operation and enabling users to easily adjust settings via a digital interface. This user-centric design enhances the overall experience and allows for quick troubleshooting when necessary.

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In summary, the Desa CGB35N and CGB50N gas burners combine high efficiency, advanced technology, and user-friendly features to provide reliable heating solutions for diverse applications. Their outstanding performance, environmental consciousness, and smart capabilities make them ideal choices for modern heating needs.