1B+ II Water Wizard Water Heaters HE-110
Installation, Operation & Maintenance Manual OMM-0063_0D
11/28/2018 Page 3 of 50
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913
• Phone: 800-526-0288
TABLE OF CONTENTS
CHAPTER 1. SAFETY PRECAUTIONS ........................................................................................................................ 5
CHAPTER 2. GENERAL INFORMATION .................................................................................................................... 6
2.1. MODEL NAMES ........................................................................................................................................... 6
2.2. HEAT EXCHANGER CONFIGURATIONS ........................................................................................................ 6
2.3. ACCESSORIES .............................................................................................................................................. 6
2.4. ALL OTHER ITEMS ........................................................................................................................................ 7
CHAPTER 3. INSTALLATION .................................................................................................................................. 12
3.1. INSTALLING THE WATER WIZARD ............................................................................................................. 12
CHAPTER 4. PRINCIPLE OF OPERATION ................................................................................................................ 17
4.1. HEAT EXCHANGER OPERATION WITH PNEUMATIC CONTROL .................................................................. 17
4.2. HEAT EXCHANGER OPERATION WITH ELECTRONIC CONTROL SYSTEM (ECS) ........................................... 18
CHAPTER 5. OPERATING PROCEDURES ................................................................................................................ 19
CHAPTER 6. ROUTINE MAINTENANCE .................................................................................................................. 22
6.1. DRAINING THE HEATER ............................................................................................................................. 22
6.2. CHECKING THE DRAINED WATER .............................................................................................................. 22
6.3. CHECKING THE TEMPERATURE CONTROL ................................................................................................. 22
CHAPTER 7. TROUBLESHOOTING ......................................................................................................................... 23
CHAPTER 8. CORRECITVE MAINTENANCE ............................................................................................................ 24
CHAPTER 9. DE-SCALING BY THERMAL SHOCK METHOD ...................................................................................... 26
CHAPTER 10. MAINTENANCE DISASSEMBLY ........................................................................................................ 27
10.1. TOOLS AND EQUIPMENT .......................................................................................................................... 27
10.1.1. Common Tools and Equipment ....................................................................................................... 27
10.1.2. SPECIAL TOOLS AND EQUIPMENT REQUIRED: ................................................................................ 27
10.2. ISOLATING THE HEATER ............................................................................................................................ 29
10.3. DISCONNECTING THE HEATER FROM THE FACILITY .................................................................................. 30
10.4. ANTICIPATOR CHECK VALVE DISASSEMBLY .............................................................................................. 31
10.4.1. Special Tools Required..................................................................................................................... 31
10.5. PREPARING TO REMOVE THE HEATER SHELL ............................................................................................ 32
10.6. REMOVING THE HEATER SHELL ................................................................................................................. 33
10.7. REMOVING COILS AND RISERS .................................................................................................................. 33
CHAPTER 11. CLEANING AND INSPECTION ........................................................................................................... 34
10.8. PREPARATION OF BOTTOM HEAD ............................................................................................................ 34
10.9. PREPARATION OF RISER AND RETURN ...................................................................................................... 34
10.10. PREPARATION OF COIL ASSEMBLIES .................................................................................................... 35
10.11. PREPARATION OF COIL GASKETS .......................................................................................................... 37
CHAPTER 12. MAINTENANCE REASSEMBLY ......................................................................................................... 38
12.1. REASSEMBLY OF RISERS, SUB-COOLING COIL, AND STEAM COILS ............................................................ 38
12.1.1. Riser Installation ............................................................................................................................. 38
12.2. SUB-COOLING COIL INSTALLATION ........................................................................................................... 40
................................................................................................................................................................................ 40
12.3. STEAM COIL INSTALLATION ...................................................................................................................... 40
12.4. HYDROSTATICALLY TESTING COILS & RISERS ....................................................................................................... 42
12.5. ANTICIPATOR CHECK VALVE REASSEMBLY ........................................................................................................... 42
12.6. REASSEMBLY OF SHELL .................................................................................................................................... 43
12.7. REINSTALLING HEATER IN FACILITY .................................................................................................................... 43
12.8. STARTUP PROCEDURE ..................................................................................................................................... 43
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