Flame Safeguard Systems for Package Burners

Selecting the Best System for Your Applications

Sequencer Types
Flame Scanner Types
Insurance Requirements
Water Level Relays
Options

Sequencer Types

E110
The Fireye E110 Flame Monitor is a microprocessor based burner management control system with self-diagnostics and non-volatile memory. The flame monitor provides the proper burner sequencing and displays the burner status on the ED510 display mounted on the flame safeguard panel enclosure. The flame monitor has a fixed or "burnt in" memory and cannot be field adjusted or customized. Customization requires the addition of external timers and relays.

E110/E300
Adding a Fireye E300 Expansion Module to the Fireye E110 Flame Monitor upgrades the display module to a "first out" annunciator. Lockout alarm messages are displayed on the ED510 display mounted on the flame safeguard panel enclosure. This feature is very helpful when trouble shooting the system. For instance, if the burner "trips" due to low gas pressure, the message "3 - P Low Gas Pressure" will scroll across the display module. Without the E300 expansion module, any trip due to a safety limits failure is displayed as "3 - P INTLK OPEN".

SLC1, SLC4, and SLC5 Summary
The Allen-Bradley SLC 500 Series processors are rugged and dependable programmable controllers, designed to withstand harsh industrial environments. Because these processors are both modular in design and have several communication options available, they can be easily factory configured to meet specific project requirements. Each unit is factory programmed and tested. The program is backed up on an EEPROM or Flash Memory module located on the processor. A 14 point "first out" annunciator is a standard offering with all Allen-Bradley SLC 500 Series processors. The annunciator has integral "Test", "Acknowledge" and "Reset" push buttons. All the burner safety limits are annunciated by 1 7/16" H x 3 5/16" W lighted windows.

SLC1
Allen-Bradley SLC 5/01 processor, with EEPROM memory module, all the necessary digital input and output cards, and a DH-485 communication port.

SLC4
Allen-Bradley SLC 5/04 processor, with flash memory module, all the necessary digital input and output cards, a DH+ communication port, and an RS-232 port which can be configured to communicate with a DH-485 network.

SLC5
Allen-Bradley SLC 5/05 processor, with flash memory module, all the necessary digital input and output cards, an ethernet communication port, and an RS-232 port which can be configured to communicate with a DH-485 network.

Flame Scanner Types

UV, IR Summary
All flames emit electromagnetic waves: ultraviolet (UV) radiation, visible radiation and infrared (IR) radiation. Typically, the flame spectrum generated by an oil or gas flame is approximately 1% UV radiation, 10% visible radiation and 89% IR radiation. UV radiation usually originates from the first third of the flame, or the flame base. IR radiation originates largely from the last two thirds of the flame. IR radiation is also emitted from surfaces with a temperature greater than 1000 degrees F, such as hot refractory. Either type of flame scanner, UV or IR, can detect the presence or absense of an oil or gas flame. However, IR type flame scanners should never be used in an application where the scanner can "see" hot refractory in a furnace.

UV
Fireye self-checking UV flame scanner and UV flame amplifier.

IR
Fireye IR flame scanner and IR flame amplifier.

Insurance Requirements

NFPA/IRI
The system will be designed per the National Fire Protection Association Standard for Single Burner Boiler Operation (NFPA 8501) and Industrial Risk Insurers standard for Single Burner Boiler-Furnaces (IRI information section IM.4.1.1).

NFPA/IRI/FM
The system will be designed per the National Fire Protection Association Standard for Single Burner Boiler Operation (NFPA 8501), Industrial Risk Insurers standard for Single Burner-Boiler Furnaces (IRInformation sectin IM.4.1.1), and Factory Mutual Engineering Corporation standard for Oil and Gas Fired Single Burner Boilers Property Loss Prevention Data Sheet (Factory Mutual 6-4 12-69).

Water Level Relays

WO
None

W1
One Warrick electromechanical low water cutout relay, wired into the safety limit circuit.

W2
W1 plus Low Water Level Alarm, High Water Level Alarm and Alarm bell (alarm bell rings until the water level is restored to the proper level).

W3
W2 plus Water Level Alarm Bell Silence push button and Water Level Abnormal Light (the push button silences the alarm bell, the light remains on until the water level is restored to the proper level).

Options

FC
Fuel change at low fire without shutting the unit down. With this equipment, a fuel change is performed as follows: The fuel change switch is turned to the on position. The unit moves to the low fire position. At low fire, the ignitor is energized. The fuel selector switch is turned from the "current" fuel to the "other" fuel. The fuel change switch is turned off.

N4
NEMA 4 flame safeguard panel enclosure in lieu of the standard NEMA 12 enclosure.

RP
Free standing panel in lieu of the standard burner mounted panel.

SF
Simultaneous firing of two fuels, an Allen-Bradley SLC 500 series processor is required for this option.

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