AM Series Boilers and Water Heaters
Page
4
of
154
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0100_0D
03/28/16
Ph.: 800-526-0288
GF-146
7.2 CONNECTION OF GAS SUPPLY PIPING ................................................................................................. 75
7.3 NATURAL GAS PIPE SIZING ..................................................................................................................... 77
7.4 NATURAL GAS SUPPLY PRESSURE REQUIREMENTS ......................................................................... 77
7.5 PROPANE GAS PIPE SIZING .................................................................................................................... 77
7.6 PROPANE GAS SUPPLY PRESSURE REQUIREMENTS ........................................................................ 77
7.7 CHECKING AND ADJUSTING THE UNIT INLET GAS SUPPLY PRESSURE .......................................... 78
7.8 HIGH ALTITUDE OPERATION ................................................................................................................... 78
7.9 CONVERSION FROM NATURAL GAS TO PROPANE GAS ..................................................................... 78
7.9.1 Gas Conversion Kit ................................................................................................................................................. 78
7.9.2 Gas Conversion Instructions .................................................................................................................................. 78
CHAPTER 8:
UNIT START-UP ........................................................................................... 83
8.1 INITIAL START-UP REQUIREMENTS ....................................................................................................... 83
8.1.1 Filling the Condensate Neutralizer ........................................................................................................................ 83
8.1.2 Filling the Heating System ..................................................................................................................................... 83
8.2 GENERAL WARNINGS CONCERNING THE GAS SUPPLY ..................................................................... 84
8.2.1 Confirming the Unit’s Gas Type ............................................................................................................................. 85
8.2.2 Gas Type Conversion ............................................................................................................................................. 85
8.3 IDENTIFICATION OF CONTROLS ............................................................................................................. 86
8.4 BOILER STARTUP PROCEDURE.............................................................................................................. 86
8.5 WATER HEATER STARTUP PROCEDURE .............................................................................................. 87
8.6 GAS SUPPLY PRESSURE TEST ............................................................................................................... 88
8.7 COMBUSTION CALIBRATION ................................................................................................................... 90
8.8
LOST IGNITION PROCEDURE
...................................................................................................................... 91
8.9 MINIMUM WATER FLOW ........................................................................................................................... 91
8.10 HEATING SYSTEM PRESSURE TEST .................................................................................................... 92
CHAPTER 9:
OPERATION ................................................................................................. 93
9.1 GENERAL OPERATION ............................................................................................................................. 93
9.2 FREEZE PROTECTION .............................................................................................................................. 94
9.3 DISPLAY ENERGY SAVING MODE ........................................................................................................... 94
9.4 CONTROL PANEL DISPLAY ...................................................................................................................... 94
9.5 STARTUP PROCEDURE - BOILERS ......................................................................................................... 95
9.6 BOILER SUMMER MODE ........................................................................................................................... 95
9.7 ADJUSTING THE DOMESTIC HOT WATER TEMPERATURE - BOILERS .............................................. 96
9.8 HEATING SYSTEM TEMPERATURE ADJUSTMENT - BOILERS ............................................................ 96
9.9 HEATING SYSTEM TYPE SELECTION - BOILERS .................................................................................. 96
9.10 OUTDOOR RESET ADJUSTMENT - BOILERS ....................................................................................... 96
9.10.1 Outdoor Reset: Setting Parameters .................................................................................................................... 97
9.10.2 Outdoor Reset Activation .................................................................................................................................... 97
9.11 BOILER DELAYS, ALARMS AND PROTECTIVE ACTIONS ................................................................... 98
9.12 BOILER CIRCULATOR PUMP PROTECTION ......................................................................................... 98
9.13 STARTUP PROCEDURE - WATER HEATERS ....................................................................................... 98
9.14 ADJUSTING THE STORAGE TANK TEMPERATURE (WATER HEATERS) .......................................... 99
9.15 USER MENU ........................................................................................................................................... 100
9.16 INSTALLER MENU ................................................................................................................................. 101
9.17 FACTORY MENU .................................................................................................................................... 103
9.18 DIAGNOSTICS – DISPLAY MESSAGES ............................................................................................... 106
9.19 DIAGNOSTICS – LOCKOUT (LOC) ERRORS ....................................................................................... 106
9.20 DIAGNOSTICS – BLOCKING (ERR) ERRORS ...................................................................................... 108
9.21 BLOCKED FLUE PRESSURE SWITCH ................................................................................................. 110
9.22 UNIT SHUT-DOWN ................................................................................................................................. 111