GF
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128
Innovation Series Water Heaters
OMM-0079_0B
USER MANUAL
Table of Contents
Page
4
of
200
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
•
Ph.: 800-526-0288
07/21/11
2.15
SEALED COMBUSTION ................................................................................................. 26
CHAPTER 3.
OPERATION .................................................................................... 27
3.1
INTRODUCTION ............................................................................................................... 27
3.2
CONTROL PANEL DESCRIPTION .................................................................................. 27
3.3
CONTROL PANEL MENUS .............................................................................................. 31
3.3.1 Menu Processing Procedure ......................................................................................31
3.4
OPERATING MENU ......................................................................................................... 32
3.5
SETUP MENU ................................................................................................................... 33
3.6
CONFIGURATION MENU ................................................................................................. 34
3.7
TUNING MENU ................................................................................................................. 35
3.8
START SEQUENCE ......................................................................................................... 36
3.9
START/STOP LEVELS ..................................................................................................... 38
CHAPTER 4.
INITIAL START-UP ......................................................................... 41
4.1
INITIAL START-UP REQUIREMENTS ............................................................................. 41
4.2
TOOLS AND INSTRUMENTATION FOR COMBUSTION CALIBRATION ....................... 41
4.2.1 Required Tools & Instrumentation..............................................................................41
4.2.2 Installing Gas Supply Manometer ..............................................................................42
4.2.3 Accessing the Analyzer Probe Port ............................................................................42
4.3
NATURAL GAS COMBUSTION CALIBRATION .............................................................. 43
4.4
REASSEMBLY ................................................................................................................. 45
4.5
TEMPERATURE CONTROL CALIBRATION ................................................................... 45
4.5.1 Setting the Outlet Water Temperature Setpoint .........................................................45
4.5.2 Minimum Load Adjustment ........................................................................................46
4.5.3 Maximum Load Adjustment .......................................................................................46
4.6
OVER-TEMPERATURE LIMIT SWITCHES ...................................................................... 47
CHAPTER 5.
SAFETY DEVICE TESTING ............................................................ 49
5.1
TESTING OF SAFETY DEVICES ..................................................................................... 49
5.2
LOW GAS PRESSURE FAULT TEST .............................................................................. 49
5.3
HIGH GAS PRESSURE TEST .......................................................................................... 50
5.4
LOW WATER LEVEL FAULT TEST ................................................................................. 50
5.5
WATER TEMPERATURE FAULT TEST .......................................................................... 51
5.6
INTERLOCK TESTS ......................................................................................................... 52
5.6.1 Remote Interlock .......................................................................................................52
5.6.2 Delayed Interlock .......................................................................................................53
5.7
FLAME FAULT TESTS ..................................................................................................... 53
5.8
AIR FLOW FAULT TESTS ............................................................................................... 54
