AERCO Esteem Boiler with EZ-Set Controller - Manual (Page 3)

GF-135
Esteem 399 Low NOx Boiler
OMM-0089_0A Installation, Operation & Maintenance Manual
TABLE OF CONTENTS
CHAPTER 1: SAFETY PRECAUTIONS .............................................................................................. 9
1.1 WARNINGS & CAUTIONS ..................................................................................................................................... 9
1.2 EMERGENCY SHUTDOWN .................................................................................................................................. 10
1.3 PROLONGED SHUTDOWN .................................................................................................................................. 11
CHAPTER 2: INSTALLATION .......................................................................................................... 15
2.1 CODE COMPLIANCE ........................................................................................................................................... 15
2.2 DETERMINING PRODUCT LOCATION ................................................................................................................. 15
2.3 BOILER REPLACEMENT ....................................................................................................................................... 16
2.4 RECOMMENDED CLEARANCES .......................................................................................................................... 16
2.5 RESIDENTIAL GARAGE INSTALLATIONS .............................................................................................................. 17
2.6 BOILER FREEZE PROTECTION FEATURE.............................................................................................................. 17
CHAPTER 3: COMBUSTION AIR AND VENTING ............................................................................ 19
3.1 COMBUSTION AIR CONTAMINATION ................................................................................................................ 19
3.2 POTENTIAL CONTAMINATING PRODUCTS ......................................................................................................... 19
3.2.1 Areas Likely to Contain Contaminating Products ....................................................................................... 20
3.3 VENTILATION AND COMBUSTION AIR REQUIREMENTS - DIRECT VENT ............................................................ 20
3.4 VENTILATION AND COMBUSTION AIR REQUIREMENTS - CATEGORY IV ........................................................... 21
3.5 METHODS OF SUPPLYING COMBUSTION AIR TO A CONFINED SPACE - CATEGORY IV ...................................... 21
3.5.1 INDOOR COMBUSTION AIR......................................................................................................................... 22
3.5.2 OUTDOOR COMBUSTION AIR ..................................................................................................................... 23
3.5.2.1 Option 1: One Permanent Opening to Outside ................................................................................... 23
3.5.2.2 Option 2: Two Permanent Openings to Outside.................................................................................. 24
3.6 COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AIR ....................................................................... 25
3.6.1 Outdoor Opening(s) Location ..................................................................................................................... 25
3.6.2 Outdoor Opening(s) Size ............................................................................................................................. 25
3.7 COMBUSTION AIR AND VENT PIPING ................................................................................................................ 25
3.8 REMOVAL OF AN EXISTING BOILER FROM A COMMON VENT SYSTEM .............................................................. 26
CHAPTER 4: UNIT PREPARATION.................................................................................................. 29
4.1 HANDLING INSTRUCTIONS................................................................................................................................. 29
4.2 WALL MOUNTING INSTALLATION...................................................................................................................... 29
4.3 WALL MOUNTING GUIDELINES.......................................................................................................................... 29
4.4 STUD WALL INSTALLATION ................................................................................................................................ 30
4.5 BOILER MOUNTING............................................................................................................................................ 30
CHAPTER 5: BOILER PIPING .......................................................................................................... 31
5.1 GENERAL PIPING REQUIREMENTS ..................................................................................................................... 31
5.2 PRESSURE RELIEF VALVE .................................................................................................................................... 31
5.3 BOILER AIR VENT................................................................................................................................................ 32
5.4 LOW WATER CUTOFF DEVICE ............................................................................................................................ 32
5.5 ADDITIONAL LIMIT CONTROL ............................................................................................................................ 33
5.6 BACKFLOW PREVENTER ..................................................................................................................................... 33
5.7 BOILER SYSTEM PIPING APPLICATIONS ............................................................................................................. 33
5.8 EXPANSION TANK AND MAKEUP WATER .......................................................................................................... 33
5.8.1 Diaphragm Expansion Tank ........................................................................................................................ 34
5.8.2 Closed-Type Expansion Tank ...................................................................................................................... 34
5.9 CIRCULATOR ...................................................................................................................................................... 34
5.10 SIZING PRIMARY PIPING .................................................................................................................................. 34
5.11 DOMESTIC HOT WATER SYSTEM PIPING ........................................................................................................ 34
Page 3 of 188 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0089_0A
MC1 06/19/14 Ph.: 800-526-0288