Eclipse RatioMatic RM Series Guía de instalación descargar pdf (Pagina 11)

Eclipse RatioMatic v3.10 - Design Guide No. 110, 12/01

Combustor Length

Select a combustor length. Optional lengths are available

on some models. Nozzle position will vary with

combustor length. The nozzle position determines the

location of heat release.

Control Motor

Select a control motor. Standard control motor options

include various models which Eclipse will mount to the burner.

RatioMatics can be ordered with control motor bracket and

mounting hardware only. Customer supplied control motors

must conform to the these specifications:

• rotation not to exceed 2 rpm.

• minimum torque of 25 in-lb. (2,8 Nm)

• 90° stroke.

• continuous modulating or high/low modulating control.

• reversible direction of rotation.

• certain applications may require control motors with a

limit switch or switches if:

the burner capacity is to be limited to fit an application.

- the chamber is to be fired with positive or negative

pressure.

- the chamber pressure is outside the range -1” w.c.

to +1” w.c. (-2,5 to 2,5 mbar)

- there is a need to indicate a high and/or low fire air

butterfly valve (BV) position.

Burner Configuration

Select configuration.

Gas Pipe Connection

Select the gas pipe connection including the pipe thread type and

the turndown required.

The piping, burner gas inlet, and ratio regulator are threaded

using the customer selected pipe thread option.

The high turndown option includes a ratio regulator with an

adjustment for lower inputs.

Flame Supervision

Select a flame rod or an ultraviolet (U.V.) scanner. Both are

available on all RatioMatics. If a flame rod is selected, it will be

factory mounted in the burner. If a U.V. scanner is selected, it

must be ordered separately.

Warning:

A U.V. scanner could possibly detect another

burner’s flame if it is in the line of sight, and falsely

indicate flame presence. Use a flame rod in this

situation. This helps prevent accumulation of

unburned fuel which, in extreme situations, could

Nozzle

Combustor

length

Combustor

Inverted

right hand piping

Upright

left hand piping

Upright

right hand piping

Configuration selections:

Inverted

left hand piping

Nozzle

position

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 20 21

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Eclipse RatioMatic RM Series Guía de instalación Pagina 11

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