AERCO Innovation (G-14-2265 and above) - Manual (Page 4)

Innovation Water Heaters Installation, Operation & Maintenance Manual
Page 4 of 206 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0078_0L
PRI: 11/25/2014 Phone: 800-526-0288 GF-128
2.14.2 Combustion Air from Inside the Building ..................................................................................... 34
2.15 DUCTED COMBUSTION ..................................................................................................35
CHAPTER 3. OPERATION .............................................................................................................. 37
3.1 INTRODUCTION.................................................................................................................37
3.2 CONTROL PANEL DESCRIPTION .....................................................................................37
3.3 CONTROL PANEL MENUS ................................................................................................41
3.3.1 Menu Processing Procedure .......................................................................................................... 41
3.4 OPERATING MENU ...........................................................................................................43
3.5 SETUP MENU ....................................................................................................................44
3.6 CONFIGURATION MENU ...................................................................................................44
3.7 TUNING MENU ...................................................................................................................46
3.8 CALIBRATION MENU .........................................................................................................47
3.9 START SEQUENCE ...........................................................................................................49
3.10 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
4.2.4 Connecting Multimeter to Flame Detector .................................................................................... 55
4.2.5 Recommendations for Temperature Calibration ........................................................................... 56
4.2.6 Recommendations for WHM (Water Heater Management) Operation ........................................ 56
4.3 NATURAL GAS COMBUSTION CALIBRATION .................................................................57
4.4 PROPANE COMBUSTION CALIBRATION .........................................................................59
4.5 REASSEMBLY ....................................................................................................................61
4.6 TEMPERATURE CONTROL CALIBRATION ......................................................................62
4.6.1 Setting the Outlet Water Temperature Setpoint ........................................................................... 63
4.6.2 Minimum Load Adjustment............................................................................................................ 63
4.6.3 Maximum Load Adjustment ........................................................................................................... 64
4.7 OVER-TEMPERATURE LIMIT SWITCHes .........................................................................65
CHAPTER 5. SAFETY DEVICE TESTING ..................................................................................... 67
5.1 INTRODUCTION.................................................................................................................67
5.2 LOW GAS PRESSURE FAULT TEST .................................................................................67
5.3 HIGH GAS PRESSURE FAULT TEST ................................................................................68
5.4 LOW WATER LEVEL FAULT TEST ....................................................................................69
5.5 WATER TEMPERATURE FAULT TEST .............................................................................69
5.6 INTERLOCK TESTS ...........................................................................................................70
5.6.1 Remote Interlock ............................................................................................................................ 70
5.6.2 Delayed Interlock ........................................................................................................................... 71
5.7 FLAME FAULT TESTs ........................................................................................................71
5.8 AIR FLOW FAULT TESTS ..................................................................................................72