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GF-123
Benchmark 2.0LN Boiler
OMM-0046_0F
Installation, Operation & Maintenance Manual
Page 6 of 172
AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 PR1 10/17/12
CHAPTER 9.
RS232 COMMUNICATION ........................................................................................... 113
9.1 INTRODUCTION ............................................................................................................................ 113
9.1.1 Aquiring the PuTTY Application .......................................................................................... 113
9.1.2 Logging on to a Remote Machine Using PuTTY ................................................................ 113
9.1.3 Running a Command on a Remote Machine Using PuTTY ............................................... 114
9.2 RS232 COMMUNICATION SETUP ............................................................................................... 115
9.3 MENU PROCESSING UTILIZING RS232 COMMUNICATION ..................................................... 115
9.4 DATA LOGGING ............................................................................................................................ 116
9.4.1 Fault Log ............................................................................................................................. 116
9.4.2 Operation Time Log ............................................................................................................ 116
9.4.3 Sensor Log .......................................................................................................................... 117
APPENDIX A: MENU ITEM DESCRIPTIONS ....................................................................................... 119
APPENDIX B: STARTUP, STATUS AND FAULT MESSAGES ............................................................. 126
APPENDIX C: SENSOR TEMPERATURE RESISTANCE ..................................................................... 129
APPENDIX D: INDOOR/OUTDOOR RESET RATIO CHARTS ............................................................ 130
APPENDIX E: BOILER DEFAULT SETTINGS ....................................................................................... 134
APPENDIX F: PART AND DIMENSIONAL DRAWINGS ........................................................................ 137
APPENDIX G: PIPING DRAWINGS ...................................................................................................... 151
APPENDIX H: WIRING SCHEMATICS ................................................................................................. 157
APPENDIX I: RECOMMENDED PERIODIC TESTING CHECK LIST .................................................... 163
APPENDIX J: BENCHMARK CONTROL PANEL FEATURES ............................................................... 165
APPENDIX K: RECOMMENDED SPARE PARTS LISTS ...................................................................... 167
LIMITED WARRANTY: BENCHMARK 2.0 LN GAS-FIRED BOILER...................................................... 169
