Roberts Gorden 125, 75, 100, 45, 30, 60 service manual Troubleshooting 13.1 General

Models: 60 30 45 125 100 75

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UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

SECTION 13: TROUBLESHOOTING 13.1 General

START

Are gas & electrical

No

Turn on supplies.

supplies on?

 

 

WARNING

Explosion Hazard

Installation, service and annual inspection must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier.

Turn off gas and electrical supplies before performing service or maintenance.

Failure to follow these instructions can result in death, injury or property damage.

Yes

Is ignition control showing a

"4 flashes" LED code?

Noo

Is ignition control showing a

"2 flashes" LED code?

No

Does the flue

blower run?

 

UHA 30 - 75: Press in reset

 

button on manual reset limit

 

switch. UHA 100 - 125: Wait

Yes

10 - 15 minutes for limit Yes

 

switch to cool. Does fan

 

stop running?

 

No

 

Replace temperature

 

limit switch.

 

Burner has locked out due

Yes

to ignition failure. Use

Troubleshooting for

 

 

Automatic Ignition Burner

 

Systems section to test

 

burner.

No

Use Troubleshooting for

Flue Blower section to test

 

fan.

Fan and limit switch are operating normally.

Yess

With external controls (i.e.

 

Has burner “Locked Out”? No

thermostat) on, does the No

burner continue through the

 

 

heating cycle?

 

 

 

 

Yes

 

 

Use Troubleshooting for

 

 

Automatic Ignition Burner

 

 

Systems section to test burner.

Yes

 

 

Heater Operating

 

If problems persist, contact

No

Roberts-Gordon LLC at

TROUBLESHOOT ENDS.

www.rg-inc.com

 

The limit switch has

 

tripped. See Manual Reset No

Replace limit switch.

Limit Switch Figure.

 

Yes

Ensure proper air flow clearance for axial fan. Open louvers slightly.

Replace axial fan if it does

not operate.

38

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Roberts Gorden 125, 75, 100, 45, 30, 60 service manual Troubleshooting 13.1 General

60, 30, 45, 125, 100 specifications

Roberts Gordon is a recognized leader in the manufacturing of innovative heating solutions, with a diverse product line including the 100, 125, 75, 45, and 60 series of radiant tube heaters. Each model is designed to meet specific heating needs while emphasizing efficiency, durability, and performance.

The Robert Gordon 100 series is known for its high efficiency and ability to provide consistent warmth in large industrial spaces. It features advanced infrared technology, which heats objects and surfaces directly, resulting in quicker temperature increases and enhanced comfort. This model is equipped with modulating burners that allow for optimal gas usage and can be easily integrated into existing systems.

The 125 series builds upon the efficiency of the 100 model while offering increased heating capacity. Its robust design ensures it can handle the demands of larger applications, such as warehouses and manufacturing facilities. With enhanced control options, users can tailor the heating output to match specific operational requirements, reducing energy consumption.

The 75 series offers a compact solution for smaller commercial spaces, providing a reliable heating source without taking up excessive floor space. Its lightweight design facilitates easy installation, while the modular approach allows for scalability to meet changing heating demands. This series emphasizes sustainability, utilizing advanced combustion technologies that minimize emissions.

For smaller applications, the 45 series stands out with its efficient heating capabilities in confined spaces. This series features simple, yet effective controls, enabling straightforward operation. The robust construction ensures durability, making it well-suited for different commercial environments, including retail settings or small workshops.

Finally, the 60 series combines the best features of the range with energy conservation as a primary focus. Its innovative design incorporates smart technology to monitor energy usage and optimize performance. The heaters are equipped with the latest in safety features, providing peace of mind for users.

Overall, Roberts Gordon’s radiant tube heaters showcase a commitment to high-quality heating solutions that cater to a variety of industrial and commercial applications. With energy efficiency, superior durability, and advanced heating technologies as core characteristics, Roberts Gordon remains a trusted choice for businesses looking to enhance their heating performance.