AERCO BMK 2000DF - Manual (Page 4)

Benchmark 1500DF - 2000DF Boilers
Installation, Operation & Maintenance Manual (IOMM)
Page 4 of 196 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0098_0A
04/01/2014 Ph.: 800-526-0288 GF-144
3.5 SETUP MENU ....................................................................................................................................... 41
3.6 CONFIGURATION MENU .................................................................................................................... 42
3.7 TUNING MENU ..................................................................................................................................... 44
3.8 COMBUSTION CAL MENU .................................................................................................................. 45
3.9 BST (BOILER SEQUENCING TECHNOLOGY) MENU ....................................................................... 45
3.10 START SEQUENCE ........................................................................................................................... 48
3.11 START/STOP LEVELS ....................................................................................................................... 52
CHAPTER 4. INITIAL START-UP .................................................................................................. 53
4.1 INITIAL START-UP REQUIREMENTS ................................................................................................. 53
4.2 TOOLS AND INSTRUMENTATION FOR COMBUSTION CALIBRATION .......................................... 53
4.2.1 Required Tools & Instrumentation ................................................................................................................. 53
4.2.2 Installing Gas Supply Manometer ................................................................................................................... 54
4.2.3 Accessing the Analyzer Probe Port ................................................................................................................. 55
4.3 NATURAL GAS COMBUSTION CALIBRATION .................................................................................. 56
4.4 PROPANE COMBUSTION CALIBRATION .......................................................................................... 60
4.5 DUAL-FUEL SWITCHOVER INSTRUCTIONS .................................................................................... 63
4.5.1 Switchover from NATURAL GAS to PROPANE ................................................................................................. 63
4.5.2 Switchover from PROPANE to NATURAL GAS ................................................................................................. 64
4.6 REASSEMBLY ...................................................................................................................................... 65
4.7 OVER-TEMPERATURE LIMIT SWITCHES ......................................................................................... 65
4.7.1 Digital Alarm Switch Checks and Adjustments ............................................................................................... 66
CHAPTER 5. MODE OF OPERATION ........................................................................................... 69
5.1 INTRODUCTION ................................................................................................................................... 69
5.2 INDOOR/OUTDOOR RESET MODE ................................................................................................... 69
5.2.1 Reset Ratio ...................................................................................................................................................... 69
5.2.2 Building Reference Temperature .................................................................................................................... 69
5.2.3 Outdoor Air Temperature Sensor Installation ................................................................................................ 69
5.2.4 Indoor/Outdoor Startup ................................................................................................................................. 69
5.3 CONSTANT SETPOINT MODE ........................................................................................................... 70
5.3.1 Setting the Setpoint ........................................................................................................................................ 70
5.4 REMOTE SETPOINT MODES ............................................................................................................. 71
5.4.1 Remote Setpoint Field Wiring ......................................................................................................................... 71
5.4.2 Remote Setpoint Startup ................................................................................................................................ 72
5.5 DIRECT DRIVE MODES....................................................................................................................... 72
5.5.1 Direct Drive Field Wiring ................................................................................................................................. 73
5.5.2 Direct Drive Startup ........................................................................................................................................ 73
5.6 AERCO CONTROL SYSTEM (ACS) .................................................................................................... 73
5.6.1 ACS External Field Wiring................................................................................................................................ 73
5.6.2 ACS Setup and Startup .................................................................................................................................... 74
5.7 COMBINATION CONTROL SYSTEM (CCS) ....................................................................................... 74
5.7.1 Combination Control System Field Wiring ...................................................................................................... 75
5.7.2 Combination Control System Setup and Startup ............................................................................................ 75
CHAPTER 6. SAFETY DEVICE TESTING ..................................................................................... 77
6.1 TESTING OF SAFETY DEVICES ......................................................................................................... 77
6.2 LOW GAS PRESSURE FAULT TEST .................................................................................................. 78
6.3 HIGH GAS PRESSURE TEST ............................................................................................................. 79
6.4 LOW WATER LEVEL FAULT TEST ..................................................................................................... 80
6.5 WATER TEMPERATURE FAULT TEST .............................................................................................. 81
6.6 INTERLOCK TESTS ............................................................................................................................. 82
6.6.1 Remote Interlock Test..................................................................................................................................... 82