40

Yes

 

 

 

 

 

Do the burners lockout

 

Inspect the electrodes on the

Electrode gap should be

 

Ignition module may have

Yes

affected burners. Are they No

No

intermittently?

burned or damaged?

1/8". Is the gap too small?

 

failed. Replace module.

 

 

 

 

 

 

 

Yes

Yes

 

 

 

 

Replace the electrodes.

Adjust the gap or

 

 

 

 

replace the electrode.

 

 

 

 

 

 

 

No

 

 

 

 

 

Troubleshooting Flow Chart

ROBERTS GORDON® ULTRAVAC™ CONTROLLER I

Is the system leaking water? Yes

No

Is the flame low?

Yes

No

Do burners shut off after the No call for heat is satisfied?

Yes

Does the pump shut down after a 2 minute post-purge No

period?

Yes

TROUBLESHOOT ENDS.

If problems persist, contact

yourNo

ROBERTS GORDON®

Independent Distributor.

Is the vacuum setting

No

Are there any "dead"

No

Is the rotation of the

Yes

too low?

burners in a branch?

pump motor correct?

 

 

 

 

Yes

 

Yes

 

No

 

Adjust system for proper

 

 

 

Consult wiring instructions

 

 

Follow burner check

 

in 200 Series Pump Manual

 

vacuum at the end vent.

 

 

 

 

 

(P/N 127200NA) or EP-300

 

 

procedure given above.

 

 

See Commissioning of the

 

 

 

 

 

Series Pump Manual (P/N

 

CRV System for details.

 

 

 

 

 

 

 

127202NA) for reversal

 

 

 

 

 

 

 

 

 

 

instructions.

 

Is the vacuum setting

No

Is the rotation of the

Yes

Are the filters on the

 

too low?

pump motor correct?

No

 

 

burners dirty?

 

 

 

 

 

Yes

 

No

 

Yes

 

Adjust system for proper

 

Consult wiring instructions

 

 

 

vacuum at the end vent.

 

in 200 Series Pump Manual

 

Replace filters as necessary.

See Commissioning of the

 

(P/N 127200NA) or EP-300

 

 

 

CRV System for details.

 

Series Pump Manual (P/N

 

 

 

 

 

127202NA) for reversal

 

 

 

Make sure that all

instructions.

 

sensor set points are

 

satisfied.

 

Make sure that all

 

sensor set points are

 

satisfied.

 

Contact

 

Roberts-Gordon at

 

www.rg-inc.com

 

 

 

Couplings may be installed

Are the filters on the

No

improperly. Lined couplings

should be used for tailpipe.

burners dirty?

 

All couplings should be

 

 

 

 

snug around tube.

Yes

 

 

Replace filters as necessary.

 

 

Check for blockage in the

 

 

outside air supply or for

 

 

leaks in the system.

 

 

(continued)

NSTALLATION MANUAL

Page 46
Image 46
Roberts Gorden NEMA 4 installation manual Troubleshooting Flow Chart, Troubleshoot Ends

NEMA 4 specifications

The Roberts Gordon NEMA 4 is a leading example of industrial heating technology, specifically designed for demanding environments. Known for its ruggedness and efficiency, it meets the needs of various industries, including manufacturing, warehousing, and food processing. The robust design ensures that it can operate efficiently in harsh conditions, making it a popular choice for facilities where moisture, dust, and other contaminants are common.

One of the standout features of the Roberts Gordon NEMA 4 is its weatherproof and dust-tight enclosure, which adheres to the NEMA 4 classification. This means that the unit can withstand water splashes and rain, making it suitable for outdoor installations or areas where water exposure is likely. The housing is constructed from durable materials that resist corrosion, ensuring longevity and reliability.

In terms of technology, the Roberts Gordon NEMA 4 utilizes advanced infrared heating, which provides direct and efficient heat transfer. This type of heating warms objects and surfaces rather than the surrounding air, allowing for faster heat-up times and enhanced energy efficiency. The units are equipped with high-output infrared emitters, which are designed to maximize radiant heat output while minimizing energy consumption.

The operational characteristics of the Roberts Gordon NEMA 4 are also noteworthy. The units are designed to be user-friendly, featuring intuitive controls that allow for easy temperature adjustments and monitoring. Furthermore, they come equipped with automatic safety features, including over-temperature protection and fail-safe shutdown mechanisms, which enhance operational safety.

Another advantage of the Roberts Gordon NEMA 4 is its versatility. It can be configured for various applications, including ceiling-mounted installations or wall-mounted setups, depending on the specific heating needs of a facility. This adaptability allows for efficient space utilization in warehouses and production areas.

The energy efficiency of the Roberts Gordon NEMA 4 translates into cost savings for businesses. By providing targeted heating where it is needed most, the units help reduce overall energy expenditures. Additionally, the longevity of the unit minimizes the frequency of replacements, contributing to long-term value.

In summary, the Roberts Gordon NEMA 4 is a highly effective industrial heating solution characterized by its robust design, advanced infrared technology, versatility, and energy efficiency. It is well-suited for challenging environments and has been embraced by industries that demand reliable and efficient heating solutions.