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

Page: 2 / 170

AM Series Boiler & Water Heater User Manual
TABLE OF CONTENTS
OMM-0100_E
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GF-146
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11/15/2019
Technical Support
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(800) 526-0288
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Mon-Fri, 8 am - 5 pm EST Page 2 of 170
Table of Contents
FOREWORD .......................................................................................................................6
SECTION 1: GENERAL INFORMATION ..............................................................................7
1.1 WARNINGS & CAUTIONS ............................................................................................................................ 7
1.2 EMERGENCY SHUTDOWN ....................................................................................................................... 10
SECTION 2: FUNCTIONAL OVERVIEW ............................................................................ 11
2.1 INTRODUCTION ......................................................................................................................................... 11
2.1.1 AM Water Heaters and Boilers .............................................................................................................................. 11
2.1.2 AM Rapid Recovery (AMR) Skid Option ................................................................................................................. 11
2.2 INTENDED USE
– BOILERS ...................................................................................................................... 12
2.3 INTENDED USE
– WATER HEATERS ....................................................................................................... 12
2.4 INTENDED USE
– WATER HEATERS AND BOILERS WITH AMR OPTION ........................................... 12
2.5 AM SERIES FUNCTIONAL SCHEMATICS ................................................................................................ 13
2.5.1 AM 399 / 500 Functional Schematic ...................................................................................................................... 13
2.5.2 AM 750 Functional Schematic ............................................................................................................................... 14
2.5.3 AM 1000 Functional Schematic ............................................................................................................................. 15
2.5.4 AMR Functional Schematic .................................................................................................................................... 16
2.6 MAIN COMPONENTS ................................................................................................................................. 17
2.6.1 Burner .................................................................................................................................................................... 17
2.6.2 AM Series 199 and 250 Main Components ........................................................................................................... 19
2.6.3 AM Series 399 and 500 Main Components ........................................................................................................... 22
2.6.4 AM Series 750 and 1000 Main Components ......................................................................................................... 25
SECTION 3: INSTALLATION – SITE ................................................................................. 29
3.1 CHOOSING THE INSTALLATION LOCATION ........................................................................................... 29
3.2 BOILER AND WATER HEATER INSTALLATION LOCATION FACTORS ................................................. 30
3.3 SAFETY CONCERNS ................................................................................................................................. 31
3.4 CLOSET AND ALCOVE INSTALLATION ................................................................................................... 31
3.5 CLEARANCES FOR INSTALLATION AND SERVICING ........................................................................... 31
3.6 CLEARANCES TO COMBUSTIBLE MATERIAL ........................................................................................ 32
3.7 VENT AND COMBUSTION AIR PIPING ..................................................................................................... 33
3.8 PREVENTION OF COMBUSTION AIR CONTAMINATION ....................................................................... 33
3.9 TRANSPORTING THE UNIT ...................................................................................................................... 33
3.10 UNPACKING AND TRANSPORTING ....................................................................................................... 33
3.10.1 Transporting a Standard AM Unit ........................................................................................................................ 34
3.10.2 Transporting an AMR Water Heater .................................................................................................................... 36
3.11 AMR BUFFER TANK INSTALLATION ...................................................................................................... 37
3.11.1 AMR Buffer Tank Installation Kits ........................................................................................................................ 37
3.12 AMR BUFFER TANK COMPONENTS ...................................................................................................... 38
3.13 BUFFER TANK INSTALLATION OVERVIEW .......................................................................................... 38
3.14 REMOVING THE AMR BRACING PLATE ................................................................................................ 39
3.15 AMR 80-GALLON BUFFER TANK INSTALLATION ................................................................................. 39
3.16 AMR 119-GALLON BUFFER TANK INSTALLATION ............................................................................... 41
3.17 AM SERIES SUPPLY AND RETURN PIPING DIMENSIONS .................................................................. 43
3.17.1 Standard AM Supply and Return Piping Dimensions ........................................................................................... 43
3.17.2 AMR Supply and Return Piping Dimensions ........................................................................................................ 44
SECTION 4: INSTALLATION – PIPING ............................................................................. 45
4.1 WATER INLET AND OUTLET PIPING ....................................................................................................... 45
4.2 WATER QUALITY ....................................................................................................................................... 45
4.3 SYSTEM PIPING METHODS - BOILERS ................................................................................................... 45