AERCO RECON 1000 User Manual
Page 4
RECON Water Heaters Installation, Operation & Maintenance Manual
Page 4 of 178
AERCO International, Inc.
100 Oritani Dr. Blauvelt, NY 10913
OMM-0103_0A
PRI: 10/28/2014
Phone: 800-526-0288
GF-147
2.15 DUCTED COMBUSTION .................................................................................................... 37
CHAPTER 3: OPERATION ................................................................................................................. 39
3.1 INTRODUCTION .................................................................................................................. 39
3.2 CONTROL PANEL DESCRIPTION ...................................................................................... 40
3.3 CONTROL PANEL MENUS .................................................................................................. 42
3.3.1 Menu Processing Procedure .......................................................................................................... 42
3.4 OPERATING MENU ............................................................................................................. 44
3.5 SETUP MENU ...................................................................................................................... 45
3.6 CONFIGURATION MENU .................................................................................................... 45
3.7 TUNING MENU ..................................................................................................................... 47
3.8 CALIBRATION MENU .......................................................................................................... 48
3.9 START SEQUENCE ............................................................................................................. 50
3.10 START/STOP LEVELS ....................................................................................................... 54
CHAPTER 4: INITIAL START‐UP .................................................................................................... 55
4.1 INITIAL START-UP REQUIREMENTS ................................................................................. 55
4.2 TOOLS AND INSTRUMENTATION FOR COMBUSTION CALIBRATION ........................... 55
4.2.1 Required Tools & Instrumentation ................................................................................................. 56
4.2.2 Installing the Gas Supply Manometer ............................................................................................ 56
4.2.3 Accessing the Analyzer Probe Port ................................................................................................. 58
4.2.4 Connecting a Multimeter to the Flame Detector ........................................................................... 58
4.2.5 Recommendations for Temperature Calibration ........................................................................... 59
4.2.6 Recommendations for WHM (Water Heater Management) Operation ........................................ 59
4.3 NATURAL GAS COMBUSTION CALIBRATION .................................................................. 60
4.3.1 REASSEMBLY AFTER COMBUSTION CALIBRATION ......................................................................... 62
4.4 TEMPERATURE CONTROL CALIBRATION ....................................................................... 63
4.4.1 Setting the Outlet Water Temperature Setpoint ........................................................................... 64
4.4.2 Minimum Load Adjustment............................................................................................................ 64
4.4.3 Maximum Load Adjustment ........................................................................................................... 65
4.5 OVER-TEMPERATURE LIMIT SWITCHes .......................................................................... 66
CHAPTER 5: SAFETY DEVICE TESTING ........................................................................................ 67
5.1 INTRODUCTION .................................................................................................................. 67
5.2 LOW GAS PRESSURE FAULT TEST .................................................................................. 68
5.3 HIGH GAS PRESSURE FAULT TEST ................................................................................. 69
5.4 LOW WATER LEVEL FAULT TEST ..................................................................................... 69
5.5 WATER TEMPERATURE FAULT TEST .............................................................................. 70
5.6 INTERLOCK TESTS ............................................................................................................. 71
5.6.1 Remote Interlock Test .................................................................................................................... 71
5.6.2 Delayed Interlock Test .................................................................................................................... 72
5.7 FLAME FAULT TESTs .......................................................................................................... 72
5.8 AIR FLOW FAULT TESTS .................................................................................................... 73
5.9 SSOV PROOF OF CLOSURE SWITCH ............................................................................... 75
5.10 PURGE SWITCH OPEN DURING PURGE ........................................................................ 76
5.11 IGNITION SWITCH OPEN DURING IGNITION ................................................................. 77