Troubleshooting, Symptom Possible Cause | Desa TC250RNG instruction

MODEL TC250RNG

NATURAL GAS CONSTRUCTION HEATER

TROUBLESHOOTING

You may have further questions about this heater. If so, contact DESA International’s Technical Service Department at 1-800- 323-5190.

WARNING: Never attempt to service heater while it is connected to natural gas supply, operating, or hot. Severe burns can occur.

SYMPTOM

POSSIBLE CAUSE

REMEDY

Pilot fails to light.	1.	Natural gas supply valve closed.
	2.	Air in gas line.
	3.	Blockage in pilot orifice.
	4.	Piezo ignition system not sparking.

1.Open natural gas supply valve slowly.

2.Allow several minutes to purge air with automatic control valve button de- pressed.

3.Replace pilot orifice.

4.Adjust ignitor electrode gap to .120". Check wire lead for damage. Replace piezo ignitor and/or ignitor electrode as necessary.

Pilot lights but goes out when automatic control valve button is released.

1.Not enough warm-up time.

2.Low gas pressure.

3.Thermocouple loose or needs to be re- placed.

4.Automatic control valve needs to be re- placed.

1.Relight, hold automatic control valve button in 45 seconds.

2.Check for proper gas supply.

3.Tighten connection or replace thermo- couple.

4.Replace automatic control valve.

Maximum burn rate is low.	1.	Main burner valve not fully open.	1.	Fully open main burner valve by turn-
				ing the valve handle towards ON posi-
				tion until it stops.
	2.	Plugged gas orifices.	2.	Replace gas orifice.
	3.	Low gas pressure.	3.	Check gas supply; check regulator out-
				put.
	4.	Low fuel supply.	4.	Consult natural gas supplier.

Soot forming inside heater, flame 100%	1.	Main burner valve not open enough.	1.	Adjust amin burner valve slowly toward
yellow.				ON postition until flame has more blue
				color.
	2.	Low fuel supply	2.	Consult natural gas supplier.

Burn rate too high. Flames coming out of 1.	Pressure too high.
emitter.
2.	Unit connected to LP.

1.Check inlet pressure. If over 4 psi ad- just or install regulator.

2.Verify gas source. If connected to LP gas, disconnect. Connect to natural gas.

104133

TC250RNG specifications

The Desa TC250RNG is a versatile and efficient piece of equipment engineered for modern outdoor tasks. Designed with the user in mind, this high-performance machine integrates cutting-edge technology and robust features to ensure optimal productivity and ease of use.

One of the standout features of the TC250RNG is its powerful engine. The unit is powered by a reliable engine that ensures a smooth and efficient operation across various terrains. This allows users to tackle challenging outdoor projects, whether it's landscaping, gardening, or maintenance tasks. The engine's efficient fuel consumption not only reduces operating costs but also minimizes environmental impact, making it a responsible choice for eco-conscious consumers.

The TC250RNG incorporates advanced technology that enhances user experience and functionality. With an easy-start mechanism, users can effortlessly fire up the machine, saving time and reducing frustration. Additionally, the ergonomic design of the handle provides optimal comfort during extended usage, minimizing fatigue and increasing productivity. The intuitive control panel allows users to operate functions with precision and ease, further streamlining their workflow.

Durability is another key characteristic of the Desa TC250RNG. Constructed from high-quality materials, this machine is built to withstand the rigors of outdoor work. Its robust design ensures longevity, making it a reliable investment for both professional and hobbyist use. The all-weather construction also allows for year-round operation, regardless of changing environmental conditions.

Safety features are paramount in the TC250RNG design. It comes equipped with safety guards and an automatic shutoff system that activates in case of a malfunction or overload, ensuring the user's protection. This safety-first approach makes it suitable for users of all skill levels.

In terms of versatility, the TC250RNG is compatible with a range of attachments and accessories, enhancing its functionality even further. Whether users need to add a mulching kit, a snowblower, or other attachments, this machine can adapt to meet various requirements, making it suitable for diverse tasks.

Overall, the Desa TC250RNG stands out as a reliable and efficient machine that combines power, durability, and user-friendly technology. Whether for professional landscaping companies or private homeowners, its innovative features and robust characteristics make it a top choice for anyone looking to enhance their outdoor productivity.

Desa TC250RNG owner manual Troubleshooting, Symptom Possible Cause

Models: TC250RNG