AERCO BMK 1.5 LN Dual Fuel Feb 2013 - Manual (Page 6)

Page 6 of 162 PR2: 05/09/12 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Benchmark 1.5LN Dual-Fuel Low NOx Boiler
Operation and Maintenance Manual
OMM-0043_0C
GF-121
7.6 BURNER ASSEMBLY INSPECTION .................................................................. 84
7.7 CONDENSATE DRAIN TRAP ............................................................................. 87
7.8 SHUTTING THE BOILER DOWN FOR AN EXTENDED PERIOD OF TIME ....... 88
7.9 PLACING THE BOILER BACK IN SERVICE AFTER A PROLONGED
SHUTDOWN ............................................................................................................. 88
CHAPTER 8: TROUBLESHOOTING GUIDE ..................................................................... 89
8.1 INTRODUCTION .............................................................................................. 89
8.2 ADDITIONAL FAULTS WITHOUT SPECIFIC FAULT MESSAGES ................ 99
CHAPTER 9: RS232 COMMUNICATION .......................................................................... 103
9.1 INTRODUCTION ............................................................................................... 103
Aquiring the PuTTY Application .......................................................................... 103 9.1.1
Logging on to a Remote Machine Using PuTTY .................................................. 103 9.1.2
Running a Command on a Remote Machine Using PuTTY .................................. 104 9.1.3
9.2 RS232 COMMUNICATION SETUP ................................................................... 105
9.3 MENU PROCESSING UTILIZING RS232 COMMUNICATION ......................... 105
9.4 DATA LOGGING ............................................................................................... 106
Fault Log ................................................................................................................ 106 9.4.1
Operation Time Log ............................................................................................... 106 9.4.2
Sensor Log ............................................................................................................. 107 9.4.3
APPENDIX A: MENU ITEM DESCRIPTIONS ................................................................ 108
APPENDIX B: STARTUP, STATUS AND FAULT MESSAGES ..................................... 113
APPENDIX C: SENSOR TEMPERATURE RESISTANCE ............................................. 116
APPENDIX D: INDOOR/OUTDOOR RESET RATIO CHARTS................................... 117
APPENDIX E: BOILER DEFAULT SETTINGS ............................................................... 121
APPENDIX F: PART AND DIMENSIONAL DRAWINGS .............................................. 123
APPENDIX G: PIPING DRAWINGS ................................................................................. 139
APPENDIX H: WIRING SCHEMATICS ........................................................................... 145
APPENDIX I: RECOMMENDED PERIODIC TESTING CHECK LIST ....................... 151
APPENDIX J: BENCHMARK CONTROL PANEL FEATURES..................................... 152
APPENDIX K: BMK 1.5 DUAL-FUEL SWITCHOVER INSTRUCTIONS .................... 155
K.1 Switchover From Natural Gas to Propane ........................................................ 155
K.2 Switchover From Propane to Natural Gas ........................................................ 158
APPENDIX L: RECOMMENDED SPARE PARTS LISTS .............................................. 159
STANDARD WARRANTY: Benchmark Gas-Fired Hydronic Boiler .............................. 160