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Safety and Regulatory Information ..................................................................................................................... 4
Scald Hazards .................................................................................................................................................... 5
Safety Devices ................................................................................................................................................... 6
Excessive Discharge from Safety Devices ......................................................................................................... 6
Hydrogen Gas .................................................................................................................................................... 7
Water Temperature ............................................................................................................................................. 7
Water Quality ...................................................................................................................................................... 7
Draining and Filling the Water Heating System .................................................................................................. 7
Maintenance and Regular Care ......................................................................................................................... 7
Servicing and Repair .......................................................................................................................................... 7
Location - General Information ........................................................................................................................... 8
Hi Rise Kits in Conjunction with Split System Flat Roof Frames ........................................................................ 8
Storage Cylinder Location .................................................................................................................................. 8
Water Pipes ........................................................................................................................................................ 9
Water Supply ...................................................................................................................................................... 9
Hot Water Delivery Temperature ........................................................................................................................ 9
Valves and Fittings ............................................................................................................................................. 9
Installation Procedure ....................................................................................................................................... 10
Specifications ................................................................................................................................................... 12
System Orientation and Inclination ................................................................................................................... 14
Pipe And Pump Sizing ...................................................................................................................................... 14
Components ..................................................................................................................................................... 15
Assembly Instructions ..................................................................................................................................... 18
Installation on a Pitched Metal Roof ................................................................................................................. 20
Joining Two Collectors ..................................................................................................................................... 24
Plumbing Connections and Temperature Sensor ............................................................................................. 24
Flow and Return Line Layout ........................................................................................................................... 25
Collector Spacing Requirements ..................................................................................................................... 25
Specifications ................................................................................................................................................... 26
Components Supplied With Cylinders .............................................................................................................. 26
Dimensions ...................................................................................................................................................... 27
Components Supplied in Solar Controller Kits ................................................................................................. 29
Solar Controller ................................................................................................................................................ 30
Solar Preheat with Manifold Pack .................................................................................................................... 31
Solar Preheat With Demand Duo ..................................................................................................................... 32
Solar Preheat with Demand Duo and Warm Water Valve ................................................................................ 33
Rinnai
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EVT DD Solar Pre Heat System Operation and Installation Manual
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