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TABLE OF CONTENTS
5.2. Thermal Expansion ...................................................................................................................... 28
5.3. Water Hammer ............................................................................................................................. 29
5.4. Vacuum Breaker ........................................................................................................................... 29
5.5. Hydro-Block .................................................................................................................................. 29
5.6. General Piping .............................................................................................................................. 30
5.7. Thermostatic Mixing Valve .......................................................................................................... 30
5.8. Storage Tank Installation ............................................................................................................. 30
CHAPTER 6 - INSTALLING VENT/COMBUSTION AIR & CONDENSATE DRAIN ..........38
6.1. Installing Vent and Combustion Air ............................................................................................ 38
6.2. Installing Condensate Drain Assembly into INSTINCT Solo Units ........................................... 38
CHAPTER 7 - GAS PIPING ................................................................................................ 40
7.1. Gas Supply Piping Connection .................................................................................................... 40
7.2. Natural Gas ....................................................................................................................................41
7.2.1 Pipe Sizing ............................................................................................................................ 41
7.2.2 Supply Pressure Requirements ......................................................................................... 41
7.3. Propane Gas ................................................................................................................................. 42
7.3.1 Pipe Sizing ........................................................................................................................... 42
7.3.2 Supply Pressure Requirements ........................................................................................ 42
CHAPTER 8 - WIRING ........................................................................................................45
8.1. Internal Wiring .............................................................................................................................. 45
8.1.1 General Requirements ....................................................................................................... 45
8.1.2 Fuse Locations .................................................................................................................... 45
8.2. External Wiring ............................................................................................................................. 48
8.2.1 General Requirements ....................................................................................................... 48
8.2.2 Line Voltage Connections .................................................................................................. 48
8.3. External Wiring - INSTINCT Solo Units ....................................................................................... 48
8.3.1 Circulator Wiring ................................................................................................................. 48
8.3.2 Low Voltage Connections .................................................................................................. 49
8.3.3 Thermostat Wiring ............................................................................................................. 49
8.3.4 Outdoor Sensor Wiring ...................................................................................................... 49
8.3.5 Domestic Hot Water Wiring ............................................................................................... 49
8.3.6 Additional Boiler Limits ...................................................................................................... 49
8.3.7 External Modulation Control ............................................................................................. 50
8.3.8 System Sensor Wiring ........................................................................................................ 50
8.3.9 Cascade Wiring - Optional ................................................................................................. 50
8.3.10 Modbus ................................................................................................................................ 50
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