AUTOFLAME Mk7 - Page 9

6.1 Steam Flow Metering ............................................................................................................ 97
6.1.1 Steam Flow Metering Incorporating a Deaerator ....................................................... 102
6.1.2 Calculations for Steam Flow Metering with Deaerator ............................................... 103
6.1.3 Steam Flow Metering without Deaerator .................................................................... 104
6.1.4 Steam Flow Metering without Deaerator, with Economiser ........................................ 105
6.1.5 Steam Flow Metering with Deaerator ......................................................................... 106
6.1.6 Steam Flow Metering with Deaerator and Economiser .............................................. 107
6.1.7 Steam Flow Metering with Deaerator and Feed water Sensor ................................... 108
6.2 Heat Flow Metering ............................................................................................................ 109
6.2.1 Calculation for Heat Output and Volume Flow ........................................................... 109
6.2.2 Heat Flow Metering Calculation ................................................................................. 110
6.2.3 Heat Flow Metering .................................................................................................... 111
6.2.4 Heat Flow Metering with Economiser ......................................................................... 112
7 DRAFT CONTROL ................................................................................................. 113
7.1 Introduction to Draft control ............................................................................................... 113
7.2 Autoflame Fully Integrated Draft Control ........................................................................... 113
7.3 Set-Up ................................................................................................................................. 115
7.3.1 Terminals ..................................................................................................................... 115
7.3.2 Draft Control Expansion Options ................................................................................ 115
7.4 Commissioning with Draft Control ...................................................................................... 117
7.5 Draft Control Operation ..................................................................................................... 132
7.5.1 Deactivation Window ................................................................................................. 132
7.5.2 Trim Operation ........................................................................................................... 134
8 TROUBLESHOOTING AND DIAGNOSTICS ............................................................ 135
8.1 Expansion Alarms ............................................................................................................... 135