17.4.2 Limitations .............................................................................................................................. 304
17.4.3 Commissioning ...................................................................................................................... 305
17.5 Faults ............................................................................................................................................. 308
18 OPERATION............................................................................................................................... 309
18.1 Home Screen ................................................................................................................................. 309
18.1.1 Home Screen Components ................................................................................................... 310
18.1.2 Faults ..................................................................................................................................... 312
18.2 Status Screen ................................................................................................................................ 313
18.2.1 Status ..................................................................................................................................... 313
18.2.2 Status – History...................................................................................................................... 314
18.2.3 Status – Burner Enable/Disable............................................................................................. 315
18.2.4 Status – Low Flame Hold ....................................................................................................... 316
18.2.5 Status – Hand Mode .............................................................................................................. 317
18.3 Fuel-Air Screen .............................................................................................................................. 318
18.3.1 Fuel-Air – Curve ..................................................................................................................... 318
18.3.2 Fuel-Air – Map ....................................................................................................................... 319
18.3.3 Fuel-Air – History ................................................................................................................... 320
18.4 Flame Safeguard Screen ............................................................................................................... 321
18.4.1 Flame Safeguard ................................................................................................................... 321
18.4.2 Flame Safeguard – History .................................................................................................... 322
18.5 Channels Screen ........................................................................................................................... 323
18.5.1 Servomotor ............................................................................................................................ 323
18.5.2 VSD Channel ......................................................................................................................... 324
18.6 Gas Pressure Sensor Screen ........................................................................................................ 325
18.6.1 Gas Pressure ......................................................................................................................... 325
18.6.2 Gas Sensor – History ............................................................................................................. 326
18.7 Air Pressure Sensor Screen .......................................................................................................... 327
18.7.1 Air Pressure ........................................................................................................................... 327
18.7.2 Air Sensor – History ............................................................................................................... 328
18.8 Fuel Flow Screen ........................................................................................................................... 329
18.8.1 Fuel Flow ............................................................................................................................... 329
18.8.2 Fuel Flow – History ................................................................................................................ 330
18.9 Sequencing Screen ....................................................................................................................... 331
18.9.1 IBS – Status ........................................................................................................................... 331
18.9.2 3.9.2 IBS – Lead Boiler .......................................................................................................... 332
18.9.3 IBS – History .......................................................................................................................... 333
18.10 EGA Screen ............................................................................................................................... 334
18.10.1 EGA – Gas ......................................................................................................................... 334
18.10.2 EGA – Temperature ........................................................................................................... 335
18.10.3 EGA – Efficiency ................................................................................................................ 336
18.11 Outside Temperature Compensation Screen ............................................................................ 337
18.12 Water Level Screen ................................................................................................................... 338
18.12.1 Water Level – Status ......................................................................................................... 338
18.12.2 Water Level – History ........................................................................................................ 339
18.13 Top Blowdown Screen ............................................................................................................... 340
18.14 Bottom Blowdown Screen .......................................................................................................... 342
18.15 Steam Flow Screen ................................................................................................................... 343
18.15.1 Steam Flow – Status .......................................................................................................... 343
18.15.2 Steam Flow – History ......................................................................................................... 344
18.16 Draught Screen .......................................................................................................................... 345