Page 6 of 166 AERCO International Inc.
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100 Oritani Dr.
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Blauvelt, NY 10913
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Ph: 800-526-0288
PR1:10/18/12
Benchmark 1.5LN Low NOx Boiler
Installation, Operation and Maintenance Manual
GF-120
OMM-0041 0E
CHAPTER 9.
RS232 COMMUNICATION .......................................................................... 105
9.1 INTRODUCTION ................................................................................................................................. 105
9.1.1 Aquiring the PuTTY Application ................................................................................................... 105
9.1.2 Logging on to a Remote Machine Using PuTTY ......................................................................... 105
9.1.3 Running a Command on a Remote Machine Using PuTTY ........................................................ 106
9.2 RS232 COMMUNICATION SETUP .................................................................................................... 107
9.3 MENU PROCESSING UTILIZING RS232 COMMUNICATION .......................................................... 107
9.4 DATA LOGGING ................................................................................................................................. 108
9.4.1 Fault Log ...................................................................................................................................... 108
9.4.2 Operation Time Log ..................................................................................................................... 108
9.4.3 Sensor Log .................................................................................................................................. 109
APPENDIX A: MENU ITEM DESCRIPTIONS
111
APPENDIX B: STARTUP, STATUS AND FAULT MESSAGES
118
APPENDIX C: SENSOR TEMPERATURE RESISTANCE
121
APPENDIX D: INDOOR/OUTDOOR RESET RATIO CHARTS
122
APPENDIX E: BOILER DEFAULT SETTINGS
126
APPENDIX F: PART AND DIMENSIONAL DRAWINGS
129
APPENDIX G: PIPING DRAWINGS
145
APPENDIX H: WIRING SCHEMATICS
151
APPENDIX I: RECOMMENDED PERIODIC TESTING CHECK LIST
157
APPENDIX J: BENCHMARK CONTROL PANEL FEATURES
159
APPENDIX K: RECOMMENDED SPARE PARTS LISTS
161