Innovation Water Heaters Installation, Operation & Maintenance Manual
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4
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196
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0078_0J
PRI: 11/22/2013
Phone: 800-526-0288
GF-128
2.15 DUCTED COMBUSTION ..................................................................................................34
CHAPTER 3.
OPERATION .............................................................................................................. 35
3.1 INTRODUCTION.................................................................................................................35
3.2 CONTROL PANEL DESCRIPTION .....................................................................................35
3.3 CONTROL PANEL MENUS ................................................................................................39
3.3.1 Menu Processing Procedure .......................................................................................................... 39
3.4 OPERATING MENU ...........................................................................................................41
3.5 SETUP MENU ....................................................................................................................41
3.6 CONFIGURATION MENU ...................................................................................................42
3.7 WATER HEATER MANAGEMENT (WHM) MENU ..............................................................43
3.8 TUNING MENU ...................................................................................................................44
3.9 START SEQUENCE ...........................................................................................................45
3.10 START/STOP LEVELS .....................................................................................................48
CHAPTER 4.
INITIAL START-UP .................................................................................................. 49
4.1 INITIAL START-UP REQUIREMENTS ................................................................................49
4.2 TOOLS AND INSTRUMENTATION FOR COMBUSTION CALIBRATION...........................49
4.2.1 Required Tools & Instrumentation ................................................................................................. 49
4.2.2 Installing Gas Supply Manometer .................................................................................................. 50
4.2.3 Accessing the Analyzer Probe Port ................................................................................................. 50
4.2.4 Connecting Multimeter to Flame Detector .................................................................................... 51
4.3 NATURAL GAS COMBUSTION CALIBRATION .................................................................52
4.4 PROPANE COMBUSTION CALIBRATION .........................................................................55
4.5 REASSEMBLY ....................................................................................................................57
4.6 TEMPERATURE CONTROL CALIBRATION ......................................................................57
4.6.1 Setting the Outlet Water Temperature Setpoint ........................................................................... 58
4.6.2 Minimum Load Adjustment ............................................................................................................ 58
4.6.3 Maximum Load Adjustment ........................................................................................................... 59
4.7 OVER-TEMPERATURE LIMIT SWITCHes .........................................................................60
CHAPTER 5.
MODE OF OPERATION ........................................................................................... 61
5.1 INTRODUCTION.................................................................................................................61
5.2 LOW GAS PRESSURE FAULT TEST .................................................................................61
5.3 HIGH GAS PRESSURE FAULT TEST ................................................................................62
5.4 LOW WATER LEVEL FAULT TEST ....................................................................................63
5.5 WATER TEMPERATURE FAULT TEST .............................................................................63
5.6 INTERLOCK TESTS ...........................................................................................................64
5.6.1 Remote Interlock ............................................................................................................................ 64
5.6.2 Delayed Interlock ........................................................................................................................... 65
5.7 FLAME FAULT TESTs ........................................................................................................65
5.8 AIR FLOW FAULT TESTS ..................................................................................................66
5.9 SSOV PROOF OF CLOSURE SWITCH .............................................................................68
5.10 PURGE SWITCH OPEN DURING PURGE .......................................................................69
5.11 IGNITION SWITCH OPEN DURING IGNITION.................................................................69
5.12 SAFETY PRESSURE RELIEF VALVE TEST ....................................................................70
