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Date: 8-4-2010
Revision: 0
Form: 2396
2.2.11 Operation Page............................................................................................................ 22
2.2.12 Annunciation Page....................................................................................................... 23
2.2.13 Modulation Configuration............................................................................................. 23
2.2.14 Firing Rate Control Page ............................................................................................. 23
2.2.15 Advanced Setup........................................................................................................... 24
2.2.16 System Time ................................................................................................................ 24
2.2.17 Calibrate Touch Screen ............................................................................................... 24
2.2.18 Reset / Reboot Display ................................................................................................ 25
2.2.19 Outdoor Reset.............................................................................................................. 25
2.2.20 Remote Setpoint (4 – 20 mA) ...................................................................................... 26
2.2.21 Central Heat Configuration .......................................................................................... 27
2.2.22 Sound Pressure Levels................................................................................................ 27
2.2.23 Modbus Communication .............................................................................................. 29
2.2.24 Alert Codes .................................................................................................................. 29
2.3 Boiler Commissioning .......................................................................................................... 35
2.3.1 Modulation...................................................................................................................... 35
2.3.2 Test Setup...................................................................................................................... 35
2.3.3 Pre Checks And Setup................................................................................................... 35
2.3.4 Dry Run.......................................................................................................................... 36
2.3.5 Pilot Adjustment............................................................................................................. 36
2.3.6 Initial Light Off ................................................................................................................ 37
2.3.7 Adjusting Boiler Maximum Input .................................................................................... 37
2.3.8 Adjusting Boiler Minimum Input ..................................................................................... 37
2.3.9 Gas Meter Readings...................................................................................................... 38
2.4 Troubleshooting ................................................................................................................... 39
Section 3 Care and Maintenance.................................................................................................. 50
3.1 Cleaning The Boiler And System – New Systems............................................................... 51
3.1.1 Pre-Boil Out Flushing Of System................................................................................... 51
3.1.2 Boil Out Procedure......................................................................................................... 51
3.1.3 Draining The System ..................................................................................................... 52
3.2 Replacement Boiler Installations: Protection Against Corrosion And Sediment.................. 52
3.3 Boiler Water Treatment........................................................................................................ 52
3.4 External “Fire-Side” Cleaning............................................................................................... 53
3.5 Suggested Maintenance Schedule...................................................................................... 53
Section 4 Lead Lag........................................................................................................................ 55
4.1 General Description Of The Lead Lag Application .............................................................. 56
4.2 Lead Lag (Ll) Master General Operation............................................................................. 56
4.3 System Wiring Hookup ........................................................................................................ 58
4.4 Lead-Lag Operation............................................................................................................. 59
4.5 Slave Operation And Setup ................................................................................................. 60
4.6 Slave Parameters ................................................................................................................ 60
4.7 Ll Master Operation And Setup ........................................................................................... 61
4.7.1 Overall Control............................................................................................................... 61
4.7.2 Periodic Data Polling messages.................................................................................... 62
4.7.3 Slave Status Manager.................................................................................................... 62
4.7.4 Master Active Service .................................................................................................... 65
4.7.5 Modulation Sensor......................................................................................................... 65
4.7.6 Demand and Rate.......................................................................................................... 66
4.7.7 Rate Adjustment............................................................................................................. 67
4.7.8 Implementation............................................................................................................... 67
4.7.9 Rate Allocation............................................................................................................... 68
4.7.10 Burner Demand............................................................................................................ 70
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4.7.11 Lead Drop-Stage On Error - LDSE:............................................................................. 73