Instruction Manual

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
Page 6 of 192 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0082_0J
05/21/2014 Ph.: 800-526-0288 GF-130
9.3 MENU PROCESSING UTILIZING RS-232 COMMUNICATION ............................................................ 119
9.4 DATA LOGGING................................................................................................................................ 120
9.4.1 Fault Log .................................................................................................................................... 120
9.4.2 Operation Time Log .................................................................................................................. 121
9.4.3 Sensor Log ................................................................................................................................. 122
CHAPTER 10. BOILER SEQUENCING TECHNOLOGY ........................................ 123
10.1 INTRODUCTION ............................................................................................................................. 123
10.2 AERCO BST Quick Start Chart ........................................................................................................ 124
10.3 BST Implementation Instruction ................................................................................................... 125
10.3.1 Option 1 - Constant Setpoint with DIRECT Wired Header Sensor .......................................... 125
10.3.2 Option 2 - Constant Setpoint with MODBUS Wired Header Sensor ...................................... 126
10.3.3 Option 3 - Outdoor Reset with DIRECT WIRED Header Sensor AND DIRECT WIRED Outdoor
Sensor ................................................................................................................................................ 127
10.3.4 Option 4 - Outdoor Reset with MODBUS Header Sensor AND MODBUS Outdoor Sensor .... 129
10.3.5 Option 5 - Remote Setpoint with DIRECT WIRED Header Sensor AND 4-20ma Setpoint Drive
........................................................................................................................................................... 131
10.3.6 Option 6 - Remote Setpoint with DIRECT WIRED Header Sensor AND MODBUS Setpoint Drive
........................................................................................................................................................... 133
10.3.7 Option 7 - Remote Setpoint with MODBUS Header Sensor AND 4-20ma Setpoint Drive...... 134
10.3.8 Option 8 - Remote Setpoint with MODBUS Header Sensor AND MODBUS Setpoint Drive ... 136
APPENDIX A: BOILER MENU ITEM DESCRIPTIONS ...................................................................... 139
APPENDIX B: STARTUP, STATUS & DISPLAY MESSAGES ............................................................. 145
APPENDIX C: SENSOR RESISTANCE/VOLTAGE CHART ................................................................ 149
APPENDIX D – INDOOR/OUTDOOR RESET RATIO CHARTS ......................................................... 151
APPENDIX E – BOILER DEFAULT SETTINGS ................................................................................. 155
APPENDIX F – DIMENSIONAL DRAWINGS .................................................................................. 157
APPENDIX G – PART LIST DRAWINGS ......................................................................................... 161
APPENDIX H – PIPING DRAWINGS .............................................................................................. 171
APPENDIX I – C-MORE WIRING DIAGRAMS ................................................................................ 175
APPENDIX J – RECOMMENDED PERIODIC TESTING.................................................................... 179
APPENDIX K – C-MORE CONTROL PANEL VIEWS ........................................................................ 181
APPENDIX L: RECOMMENDED SPARES ...................................................................................... 183
APPENDIX M – ULTRA-LOW NOx CALIBRATION ......................................................................... 185
LIMITED WARRANTY ................................................................................................................... 189