AUTOFLAME Mk8 MM - Default Chapter; Table of Contents

Contents
1 TECHNICAL SPECIFICATIONS ................................................................................... 1
1.1 Mk8 Expansion Board ............................................................................................................. 1
1.2 Expansion Board Inputs and Outputs ...................................................................................... 2
1.2.1 Fuse Ratings ..................................................................................................................... 2
1.3 Cable Specifications ................................................................................................................ 3
1.4 Expansion Board Terminals Description .................................................................................. 4
2 EXPANSION OPTIONS ............................................................................................ 7
3 WATER LEVEL CONTROL ........................................................................................ 25
3.1 Overview .............................................................................................................................. 25
3.1.1 Safety ........................................................................................................................... 25
3.1.2 Autoflame Water Level Control .................................................................................... 25
3.1.3 Water Treatment ........................................................................................................... 26
3.2 Water Valve ......................................................................................................................... 27
3.2.1 Specifications ................................................................................................................ 27
3.2.2 Feed Water Valve Sizing .............................................................................................. 28
3.2.3 Feed Water Control ...................................................................................................... 29
3.3 Ways of Level Sensing .......................................................................................................... 30
3.3.1 Overview ...................................................................................................................... 30
3.3.2 Configuration ................................................................................................................ 31
3.4 Capacitance Probes .............................................................................................................. 35
3.4.1 Overview ...................................................................................................................... 35
3.4.2 Operation ..................................................................................................................... 36
3.4.3 Specification ................................................................................................................. 36
3.4.4 Installation Safety Guidelines ....................................................................................... 39
3.4.5 Capacitance Probe – Externally Mounted Pots ............................................................ 40
3.4.6 Capacitance Probe – Internally Mounted Pots ............................................................. 42
3.4.7 Capacitance Probe – Installation for a Water Tube Boiler ........................................... 44
3.4.8 External Probe Chamber Dimensions ........................................................................... 45
3.4.9 Configuration ................................................................................................................ 46
3.5 2
nd
Low Probe ........................................................................................................................ 47
3.5.1 Overview ...................................................................................................................... 47
3.5.2 Operation ..................................................................................................................... 48
3.5.3 Specifications ................................................................................................................ 48
3.5.4 Installation and Safety Guidelines ................................................................................ 50
3.5.5 Configuration ................................................................................................................ 51