Innovation Water Heaters Installation, Operation & Maintenance Manual
Page
4
of
216
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0078_0M
09/11/2015
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 .........................................................................60
4.5 REASSEMBLY ....................................................................................................................62
4.6 TEMPERATURE CONTROL CALIBRATION ......................................................................63
4.6.1 Setting the Outlet Water Temperature Setpoint ........................................................................... 63
4.6.2 Minimum Load Adjustment............................................................................................................ 64
4.6.3 Maximum Load Adjustment ........................................................................................................... 65
4.7 OVER-TEMPERATURE LIMIT SWITCHes .........................................................................66
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
