Install Instructions

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TABLE OF CONTENTS
PRODUCT AND SAFETY INFORMATION ......................................................................... VII
CHAPTER 1 - PRE-INSTALLATION REQUIREMENTS ........................................................ 1
1.1. Code Compliance ............................................................................................................................ 1
1.2. Code Restrictions ............................................................................................................................ 1
1.3. Operating Restrictions .................................................................................................................... 1
1.4. Locating Water Heater ....................................................................................................................2
1.5. Recommended Clearances ............................................................................................................2
1.6. Residential Garage Installations ....................................................................................................2
CHAPTER 2 - DOMESTIC PIPING .......................................................................................3
2.1. Temperature & Pressure (T&P) Relief Valve .................................................................................3
2.2. Standard Installation ......................................................................................................................3
2.3. Commonwealth of Massachusetts Installation ............................................................................4
2.4. T&P Relief Valve Discharge Piping .................................................................................................4
2.5. Domestic Drain Valve ......................................................................................................................4
2.5.1 Standard Installation ............................................................................................................. 4
2.5.2 Commonwealth of Massachusetts Installation ..................................................................5
2.6. Manual Air Vent ..............................................................................................................................5
2.7. Thermal Expansion .........................................................................................................................5
2.8. Water Hammer ................................................................................................................................5
2.9. Vacuum Breaker .............................................................................................................................. 5
2.10. General Piping .................................................................................................................................5
2.11. Domestic Piping ..............................................................................................................................5
2.12. Thermostatic Mixing Valve .............................................................................................................6
2.13. Recirculation Piping ........................................................................................................................6
2.14. Storage Tank Application ...............................................................................................................6
CHAPTER 3 - WATER HEATER START-UP ..........................................................................9
3.1. Filling the Inner (Domestic Water) Tank ........................................................................................9
3.2. Filling the Outer (Boiler Water) Tank .............................................................................................9
3.3. Setting the Thermostatic Mixing Valve .........................................................................................9
3.4. Domestic Hot Water EZ Setup .............................................................................................11
3.5. DHW Frost Protection ................................................................................................................... 12
3.6. CTRLMax Factory Settings ..........................................................................................................12