AERCO BMK 2.0 LN Natural Gas 2008 User Manual
Installation, operation & maintenance instructions, Gf-123
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Printed in U.S.A.
REVISED
9/21/09
Instruction
No.
AERCO INTERNATIONAL, Inc., Northvale, New Jersey, 07647 USA
GF-123
Installation, Operation
& Maintenance Instructions
Benchmark
2.0 Low NOx
Natural Gas Fired
Boiler System
Condensing, Modulating
Forced Draft, Hot Water Boiler
2,000,000 BTU/H Input
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Table of contents
Document Outline
- Foreword
- TABLE OF CONTENTS
- CHAPTER 1 SAFETY PRECAUTIONS
- CHAPTER 2 INSTALLATION
- 2.1 INTRODUCTION
- 2.2 RECEIVING THE UNIT
- 2.3 UNPACKING
- 2.4 SITE PREPARATION
- 2.5 SUPPLY AND RETURN PIPING
- 2.6 CONDENSATE DRAIN AND PIPING
- 2.7 GAS SUPPLY PIPING
- 2.8 AC ELECTRICAL POWER WIRING
- 2.9 MODES OF OPERATION
- 2.10 I/O BOX CONNECTIONS
- 2.11 AUXILIARY RELAY CONTACTS
- 2.12 FLUE GAS VENT INSTALLATION
- 2.13 COMBUSTION AIR
- CHAPTER 3 CONTROL PANEL OPERATING PROCEDURES
- CHAPTER 4 INITIAL START-UP
- CHAPTER 5 MODE OF OPERATION
- CHAPTER 6 SAFETY DEVICE TESTING
- 6.1 TESTING OF SAFETY DEVICES
- 6.2 LOW GAS PRESSURE FAULT TEST
- 6.3 HIGH GAS PRESSURE TEST
- 6.4 LOW WATER LEVEL FAULT TEST
- 6.5 HIGH WATER TEMPERATURE FAULT TEST
- 6.6 INTERLOCK TESTS
- 6.7 FLAME FAULT TESTS
- 6.8 AIR FLOW FAULT TESTS
- 6.9 SSOV PROOF OF CLOSURE SWITCH
- 6.10 PURGE SWITCH OPEN DURING PURGE
- 6.11 IGNITION SWITCH OPEN DURING IGNITION
- CHAPTER 7 MAINTENANCE
- CHAPTER 8 TROUBLESHOOTING GUIDE
- APPENDIX A- BOILER MENU ITEM DESCRIPTIONS
- APPENDIX B - STARTUP, STATUS AND FAULT MESSAGES
- APPENDIX C - TEMPERATURE SENSOR RESISTANCE CHART (BALCO)
- APPENDIX D - INDOOR/OUTDOOR RESET RATIO CHARTS
- APPENDIX E - BOILER DEFAULT SETTINGS
- APPENDIX F - DIMENSIONAL AND PART DRAWINGS
- APPENDIX G - PIPING DRAWINGS
- APENDIX H - WIRING SCHEMATICS
- APPENDIX I - RECOMMENDED PERIODIC TESTING CHECK LIST
- APPENDIX J - BENCHMARK CONTROL PANEL VIEWS
- WARRANTY