COMBAT® CTCU UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

SECTION 14: TROUBLESHOOTING 14.1 General

WARNING

Explosion Hazard

Installation must be done by a registered installer/ contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier.

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

Start

Are gas & electrical

supplies on?

Yes

Is Red lockout

warning light on?

No

Does the fan run?

Yes

With external controls on, does the burner continue through the heating cycle?

Yes

Heater Operating

TROUBLESHOOT ENDS.

No

Yes

No

No

No

Turn on supplies.

Use 14.2 to test burner.

Use 14.5 to test fan.

Has burner “Locked Out”? No

The limit thermostat has

 

 

tripped.

No

Replace limit thermostat.

 

See Section 11.3.2.

 

 

Yes

Yes

 

 

Use 14.2 to test burner.

Replace axial fan.

 

 

If problems persist, contact

 

 

 

Roberts-Gordon Ltd. at

 

 

 

Tel: +44 (0)1902 498733

 

 

 

www.rg-inc.com

 

 

 

For your safety and optimum heater performance, use only ROBERTS GORDON® replacement parts.

Conduct Commissioning procedure as shown on Page 15, Section 10.

22

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Roberts Gorden CTCU 22, CTCU 27, CTCU 15, CTCU 11, CTCU 7 Conduct Commissioning procedure as shown on Page 15, Section

CTCU 7, CTCU 22, CTCU 11, CTCU 15, CTCU specifications

Roberts Gorden offers a diverse range of high-performance make-up air units known as the CTCU series, which includes models CTCU 22, CTCU 15, CTCU 7, CTCU 27, and CTCU 11. Each model is designed to deliver efficient and reliable air management solutions for various industrial and commercial applications.

The CTCU 22 is renowned for its robust construction and powerful performance, providing exceptional air flow rates that can accommodate larger facilities. It features a high-efficiency heat exchanger and a multi-stage filtration system that ensures optimal indoor air quality while reducing energy consumption. This model is particularly beneficial for environments requiring high volumes of tempered air, making it ideal for manufacturing plants and warehouses.

CTCU 15, on the other hand, is slightly smaller yet offers remarkable versatility. With an integrated control system, it can easily adapt to changing operational demands, making it a preferred choice for businesses that experience variable occupancy levels. Its quiet operation minimizes workplace noise, and its energy-efficient design significantly cuts operational costs.

CTCU 7 is specifically engineered for smaller spaces without compromising performance. This unit features compact dimensions while still delivering adequate air flow for localized heating and ventilation needs. The advanced temperature control algorithms allow for precise adjustments, ensuring a comfortable environment even in tight areas.

CTCU 27 stands out with its advanced technology that includes integrated smart controls. This model offers real-time monitoring and data analytics to optimize performance and enhance energy efficiency. Its ability to connect with existing building management systems makes it an appealing choice for modern facilities aiming to improve sustainability initiatives.

The CTCU 11 is characterized by its user-friendly interface and maintenance accessibility. It is built with durable materials that extend its lifespan, ensuring long-term reliability. This unit is ideal for applications where regular maintenance is challenging, as its design allows for easy access to all critical components.

In summary, Roberts Gorden's CTCU series encompasses a range of units catered to various industrial needs. With features focusing on efficiency, flexibility, and user-friendliness, these models deliver high-quality air management solutions to improve indoor environments while reducing energy consumption.