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General| Fuel Type | Natural Gas, Propane |
|---|---|
| Control | Modulating |
| Construction | Heavy-duty steel |
| Air Supply | Forced Draft |
| Applications | Industrial heating, Process heating |
| Ignition Type | Direct Spark Ignition (DSI) |
Procedures for isolating gas and electricity supply in hazardous conditions.
Burner compliance with EU directives and adjustment requirements.
Warning about isolating the MBC unit before handling wiring or components.
Details electrical connections for single and three-phase motor contactors.
Wiring diagrams for 7 and 4-pin plugs for High/Low burners.
Wiring diagrams for 6-pin plugs for modulating burners.
Details for optional auxiliary connections like volt-free contacts and limit instruments.
How combustion air is adjusted for maximum efficiency with a closed position control.
Information on two-stage (high-low) or modulating operation via the burner controller.
Handbook covers natural gas only; refer to Nu-way Ltd. for other requirements.
Handbook structure to guide users from delivery to use, covering controls and adjustments.
Requirements for gas supply pipework, isolation valve, and pipe size.
Requirements for flue and chimney construction and installation for sufficient gas volume.
Need for adequate dust-free fresh air supply for the burner in the plant room.
Inspection of appliance condition after cleaning before fitting the burner.
Requirement for combustion chamber draught not to exceed 0.25 mbar.
Burner may be despatched partly assembled in two or three units to prevent damage.
Instructions for fitting the hinged extension, flame tube, and gas train.
Check burner suitability for appliance rating and review performance data.
Instructions for fitting the burner to new or existing appliances, ensuring proper sealing.
Requirements for main electrical supply, disconnection, IEE regulations, and earthing.
Function of the air pressure switch to prove adequate airflow and its lockout behaviour.
Details on gas nozzle design for specific burner models and gas types.
Functions of the low gas pressure switch for monitoring and leak testing.
Describes the step-by-step process of the integrated valve proving test.
Guidelines for checking gas supply pressures at full firing rate using a manometer.
Instructions for adjusting the IR detector sensitivity for proper flame monitoring.
Procedure to test the security of the gas valve system for leaks.
Emphasizes using the gas meter for accurate throughput determination and checking gas/flue analysis.
Guide for engineers unfamiliar with the MBC unit, including pass-code entry.
Detailed steps for entering the pass code to access commissioning or part commissioning functions.
Overview of initial air and gas settings (P9, P1, P0) for burner setup.
Procedure for starting the burner, checking fan rotation, and initial flame adjustments.
Steps to adjust the air pressure switch for correct operation and lockout behaviour.
Procedure for setting the flame signal sensitivity using LED indicators and microammeter.
Explanation of the RWF40 controller's basic display showing actual and set-point values.
Instructions for altering the set point on the RWF40 using the PGM and up/down buttons.
Information about different screen messages displayed when the burner is in standby.
Details on the information displayed during burner operation and sequence steps.
How to access and navigate the information display for burner status and data.
Procedure to access the service display for maintenance and advanced diagnostics.
Procedures for checking the IRD cell's functionality and lockout behaviour under various conditions.
Cleaning instructions for the combustion air fan blades and air inlet.
Steps for opening the hinged extension to access the inner assembly.
Table listing MBC error codes and their descriptions for troubleshooting.
Checks and fixes for incorrect burner motor rotation direction.
Steps for removing the motor and fan assembly from the burner.
Checks for common causes of the burner motor failing to start.
Troubleshooting steps for flame failure when ignition does not occur.
Troubleshooting steps for flame failure when ignition occurs but flame is not established.
Checks for issues preventing the burner from establishing a main flame.
Common faults related to the IR detector and their causes.
Diagnosis and resolution for the 6FH error indicating air servo motor failure.
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