Watts Aerco TAG-0072 GF-146-E Operation & Maintenance Manual page 4

AM Series Boiler & Water Heater User Manual
TABLE OF CONTENTS
6.5.23 Multi-Venting Vertical Terminations .................................................................................................................. 83
SECTION 7: INSTALLATION - NATURAL GAS ................................................................ 85
7.1 GAS SUPPLY PIPING ................................................................................................................................. 85
7.2 CONNECTION OF GAS SUPPLY PIPING ................................................................................................. 85
7.3 NATURAL GAS PIPE SIZING ..................................................................................................................... 87
7.4 NATURAL GAS SUPPLY PRESSURE REQUIREMENTS ......................................................................... 87
7.5 PROPANE GAS PIPE SIZING .................................................................................................................... 87
7.6 PROPANE GAS SUPPLY PRESSURE REQUIREMENTS ........................................................................ 87
7.7 CHECKING AND ADJUSTING THE UNIT INLET GAS SUPPLY PRESSURE .......................................... 88
7.8 HIGH ALTITUDE OPERATION ................................................................................................................... 88
7.9 CONVERSION FROM NATURAL GAS TO PROPANE GAS ..................................................................... 88
7.9.1 Gas Conversion Kit ................................................................................................................................................. 88
7.9.2 Gas Conversion Instructions .................................................................................................................................. 89
SECTION 8: UNIT START-UP ........................................................................................... 93
8.1 INITIAL START-UP REQUIREMENTS ....................................................................................................... 93
8.1.1 Filling the Condensate Neutralizer ........................................................................................................................ 93
8.1.2 Filling the Heating System ..................................................................................................................................... 94
8.2 GENERAL WARNINGS CONCERNING THE GAS SUPPLY ..................................................................... 94
8.2.1 Confirming the Unit's Gas Type ............................................................................................................................. 95
8.2.2 Gas Type Conversion ............................................................................................................................................. 95
8.3 IDENTIFICATION OF CONTROLS ............................................................................................................. 96
8.4 BOILER STARTUP PROCEDURE.............................................................................................................. 96
8.5 WATER HEATER STARTUP PROCEDURE .............................................................................................. 97
8.6 GAS SUPPLY PRESSURE TEST ............................................................................................................... 98
8.7 COMBUSTION CALIBRATION ................................................................................................................. 100
8.8 LOST IGNITION PROCEDURE ................................................................................................................ 101
8.9 MINIMUM WATER FLOW ......................................................................................................................... 101
8.10 HEATING SYSTEM PRESSURE TEST .................................................................................................. 102
SECTION 9: OPERATION ............................................................................................... 103
9.1 GENERAL OPERATION ........................................................................................................................... 103
9.2 FREEZE PROTECTION ............................................................................................................................ 104
9.3 DISPLAY ENERGY SAVING MODE ......................................................................................................... 104
9.4 CONTROL PANEL DISPLAY .................................................................................................................... 104
9.5 STARTUP PROCEDURE - BOILERS ....................................................................................................... 105
9.6 BOILER SUMMER MODE ......................................................................................................................... 105
9.7 ADJUSTING THE DOMESTIC HOT WATER TEMPERATURE - BOILERS ............................................ 106
9.8 HEATING SYSTEM TEMPERATURE ADJUSTMENT - BOILERS .......................................................... 106
9.9 HEATING SYSTEM TYPE SELECTION - BOILERS ................................................................................ 106
9.10 OUTDOOR RESET ADJUSTMENT - BOILERS ..................................................................................... 106
9.10.1 Outdoor Reset: Setting Parameters .................................................................................................................. 107
9.10.2 Outdoor Reset Activation .................................................................................................................................. 107
9.11 BOILER DELAYS, ALARMS AND PROTECTIVE ACTIONS ................................................................. 108
9.12 BOILER CIRCULATOR PUMP PROTECTION ....................................................................................... 108
9.13 STARTUP PROCEDURE - WATER HEATERS ..................................................................................... 108
9.14 ADJUSTING THE STORAGE TANK TEMPERATURE (WATER HEATERS) ........................................ 109
9.15 USER MENU ........................................................................................................................................... 110
9.16 INSTALLER MENU ................................................................................................................................. 111
9.17 FACTORY MENU .................................................................................................................................... 113
9.18 DIAGNOSTICS - DISPLAY MESSAGES ............................................................................................... 117
9.19 DIAGNOSTICS - LOCKOUT (LOC) ERRORS ....................................................................................... 117
OMM-0100_E • GF-146 • 11/15/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 4 of 170