Benchmark 2.0ln dual-fuel low nox boiler, Gf-127 – AERCO BMK 2.0 LN Dual Fuel Serial G-11-2402 and UP User Manual
Page 6
Page 6 of 160 PR2: 04/22/13
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Benchmark 2.0LN Dual-Fuel Low NOx Boiler
Operation and Maintenance Manual
OMM-0052_0E
GF-127
7.8 SHUTTING THE BOILER DOWN FOR AN EXTENDED PERIOD OF TIME ....... 81
7.9 PLACING THE BOILER BACK IN SERVICE AFTER A PROLONGED
SHUTDOWN ............................................................................................................. 81
CHAPTER 8: TROUBLESHOOTING GUIDE ..................................................................... 83
8.1
INTRODUCTION .............................................................................................. 83
8.2
ADDITIONAL FAULTS WITHOUT SPECIFIC FAULT MESSAGES ................ 93
CHAPTER 9: RS232 COMMUNICATION ............................................................................ 97
9.1 INTRODUCTION ................................................................................................. 97
Aquiring the PuTTY Application ............................................................................ 97
9.1.1
Logging on to a Remote Machine Using PuTTY .................................................... 97
9.1.2
Running a Command on a Remote Machine Using PuTTY.................................... 98
9.1.3
9.2 RS232 COMMUNICATION SETUP ..................................................................... 99
9.3 MENU PROCESSING UTILIZING RS232 COMMUNICATION ........................... 99
9.4 DATA LOGGING ............................................................................................... 100
Fault Log ................................................................................................................ 100
9.4.1
Operation Time Log ............................................................................................... 100
9.4.2
Sensor Log ............................................................................................................. 101
9.4.3
APPENDIX A: MENU ITEM DESCRIPTIONS ................................................................ 103
APPENDIX B: STARTUP, STATUS AND FAULT MESSAGES ..................................... 109
APPENDIX C: SENSOR TEMPERATURE RESISTANCE ............................................. 113
APPENDIX D: INDOOR/OUTDOOR RESET RATIO CHARTS................................... 115
APPENDIX E: BOILER DEFAULT SETTINGS .............................................................. 119
APPENDIX F: PART AND DIMENSIONAL DRAWINGS .............................................. 121
APPENDIX G: PIPING DRAWINGS ................................................................................. 137
APPENDIX H: WIRING SCHEMATICS........................................................................... 143
APPENDIX I: RECOMMENDED PERIODIC TESTING CHECK LIST ....................... 149
APPENDIX J: BENCHMARK CONTROL PANEL FEATURES..................................... 151
APPENDIX K: BMK 2.0 DUAL-FUEL SWITCHOVER INSTRUCTIONS .................... 153
SWITCHOVER FROM NATURAL GAS TO PROPANE .......................................... 153
SWITCHOVER FROM PROPANE TO NATURAL GAS .......................................... 156
APPENDIX L: RECOMMENDED SPARE PARTS LISTS .............................................. 157
STANDARD WARRANTY: Benchmark Gas-Fired Hydronic Boiler .............................. 159