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AUTOFLAME MM Series - User Manual

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Combustion Management Systems
MM APPLICATION
POSSIBILITIES
Technical Manual
18.12.2019

Table of Contents

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Summary

1 SENSORS

1.1 Gas Pressure Sensor

Details the gas pressure sensor, its specifications, connections, and part numbers.

1.2 Oil Pressure Sensor

Details the oil pressure sensor, its specifications, connections, and part numbers.

1.3 Air Pressure Sensor

Details the air pressure sensor, its specifications, connections, and part numbers.

1.4 Steam Pressure Sensor

Details the steam pressure sensor, its specifications, connections, and part numbers.

1.5 Water Temperature Sensor

Details the water temperature sensor, its specifications, connections, and part numbers.

1.6 Outside Temperature Sensor

Details the outside temperature sensor and its compensation module.

2 FLAME SAFEGUARD

2.1 Burner Control Sequence Diagrams

Illustrates burner control sequences, including timings and fault conditions.

2.2 Flame Scanner Types

Describes different types of flame scanners, including IR and UV models.

2.3 Selection Of UV Scanner Types

Guides on selecting the appropriate UV scanner based on distance and sensitivity.

2.4 Mk8 MM Flame Detection Using An External Flame Switch

Explains flame detection using an external switch for Mk8 MM systems.

2.5 Mini Mk8 MM Flame Detection Using lonisation

Details flame detection using an ionisation signal/flame rod for Mini Mk8 MM.

2.6 No Pre-Purge

Explains how to bypass the pre-purge cycle to minimize start-up time and increase efficiency.

2.7 Continuous Pilot

Describes the continuous pilot feature for burner relighting and operation.

2.8 Mini Mk8 MM Single Servomotor

Covers single servomotor configurations for Mini Mk8 MM with VSD or digital fan adapters.

2.9 Mk8 MM External 4-20 mA Servomotor

Details using external 4-20mA servomotors with the Mk8 MM via a Universal IO Module.

3 HAND, LOW FLAME HOLD AND AUTO

3.1 Hand Operation

Enables setting firing rate to a specific position; requires fuel flow metering. Activated when burner is firing.

3.2 Low Flame Hold

Sets the firing rate to low fire position while the burner is firing; requires fuel flow metering.

3.3 Auto Operation

Enables burner modulation to maintain setpoint based on actual temperature or pressure.

4 PID CONTROL

4.1 Proportional Band

Defines the Proportional Band (P-Band) offset from the setpoint for PID control.

4.2 Integral Control

Specifies the Integral time ('Reset time') for PID control adjustments.

4.3 Derivative Control

Analyzes rate of change for PID control; sensitivity is a percentage of firing rate.

5 INTELLIGENT BOILER SEQUENCING

5.1 Sequencing Schematics

Illustrates connection diagrams for Intelligent Boiler Sequencing (IBS) systems.

5.2 Sequencing Options and Parameters

Lists options and parameters for configuring IBS for Mk8 and Mini Mk8 MM.

5.3 Hot Water Sequencing

Details implementation of hot water sequencing, including lead/lag boiler roles and valve operation.

5.4 Steam Sequencing

Explains steam sequencing, including warming procedures and operational states.

5.5 Troubleshooting - Sequencing

Provides guidance for troubleshooting IBS communication and operational issues.

6 MULTI-BURNER OPERATION - MK8 MM

6.1 Multi-Burner Overview

Introduces multi-burner operation for applications requiring simultaneous control of multiple burners.

6.2 Configuring Multi-Burner Operation

Details wiring, options, parameters, and commissioning for multi-burner setups.

6.3 Multi-Burner with Water Level Control

Explains how to integrate water level control with multi-burner systems.

6.4 Multi-Burner with EGA

Covers using Exhaust Gas Analysers (EGA) with multi-burner operation for emissions control.

6.5 Multi-Burner External Modulation

Describes permanent and switched external modulation for multi-burner systems.

AUTOFLAME MM Series Specifications

General IconGeneral
CategoryBurner Management System
CompatibilityVarious burner types and boilers
FunctionBurner control, monitoring, and optimization
Communication ProtocolModbus, Ethernet
Power Supply110-240 VAC
Operating Temperature-20°C to +60°C
TypeElectronic burner management system
Fuel TypesGas, oil
CommunicationEthernet
Safety FeaturesFlame safeguard, safety interlocks

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