Crown Boiler 24-10 User Manual
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SECTION I - GENERAL INFORMATION
Dimensional Information ............................................................................................................................................... 8
Ratings/Data .................................................................................................................................................................. 9
Locating the Unit . ........................................................................................................................................................ 10
Air Supply/Venting ....................................................................................................................................................... 11
SECTION II - CAST IRON BLOCK ASSEMBLY
Assembly of Sections, Manual Draw-up ..................................................................................................................... 13
Assembly of Sections, Hydraulic Draw-up ................................................................................................................. 16
Hydrostatic Test ........................................................................................................................................................... 18
SECTION III - INSTALLATION INSTRUCTIONS
Knockdown
Canopy ......................................................................................................................................................................... 19
Flue Cover Plates ......................................................................................................................................................... 22
Rear Observation Port Cover ........................................................................................................................................ 23
Inspect All Boiler Seals ................................................................................................................................................ 23
Jacket Assembly .......................................................................................................................................................... 23
Burner Mounting Plate / Burner Adapter Plate ........................................................................................................... 25
Steam Trim .................................................................................................................................................................. 26
Water Trim . .................................................................................................................................................................. 30
Burner Installation ....................................................................................................................................................... 32
Common Installation Requirements
Boiler Piping - Heating Applications .......................................................................................................................... 32
Boiler Piping - Domestic Hot Water (DHW) Applications .......................................................................................... 33
Tankless Heater Piping ................................................................................................................................................ 41
Electric Wiring .............................................................................................................................................................. 43
Return Temperature Control (RTC) and Components .................................................................................................. 43
SECTION IV - OPERATING INSTRUCTIONS
Filling System ............................................................................................................................................................... 47
Adjusting Controls ....................................................................................................................................................... 47
Adjusting Burner ......................................................................................................................................................... 48
Return Temperature Control; Initial Set-Up and Operation ......................................................................................... 48
Diverting Valve Actuator .............................................................................................................................................. 50
Boiler Operating Aquastat ............................................................................................................................................ 50
Boiler High Limit Aquastat .......................................................................................................................................... 50
Boiler Modulating Control ........................................................................................................................................... 50
Test Controls ................................................................................................................................................................ 50
Initial Cleaning, Steam Boilers .................................................................................................................................... 51
Initial Cleaning, Water Boilers .................................................................................................................................... 52
Frequent Water Addition .............................................................................................................................................. 53
Oxygen Corrosion ........................................................................................................................................................ 53
SECTION V - SERVICE INSTRUCTIONS
Cleaning Boiler Heating Surfaces ............................................................................................................................... 54
Maintenance of Low Water Cutoff Devices ................................................................................................................ 55
Checking Burner & Controls ........................................................................................................................................ 56
Lubrication ................................................................................................................................................................... 56
General Maintenance Considerations ........................................................................................................................... 56
Attention to Boiler While Not in Operation ................................................................................................................. 56
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