Crown Boiler 24-07, 24-11, 24-10, 24-08, 24-12, 24-06, 24-05 Section III Installation Instructions

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SECTION III - INSTALLATION INSTRUCTIONS

A. INSTALL CANOPY/FLUE OUTLET ASSEMBLY, Refer to Figures 14, 15 and 16.

1.Open canopy carton.

2.Attach the two (2) canopy brackets to the front end cap of canopy with four (4) #10 x 1/2” sheet metal screws each.

3.Across the top of the front section and along the top ledges running back each side of the sections, place continuous 2” wide strips of cerafelt and overlap joints at front corners. Cerafelt strip should extend 1/4” beyond rear surface of back section. Cut off excess.

4.Place the canopy on the sections.

5.Position rear flange (end with studs) of canopy flush with rear surface of back section.

6.Loosely attach the canopy brackets to the lugs on the front section of the block assembly with 5/16” carriage bolts, flat washers and locknuts.

7.Check to see if rear flange of canopy is still flush with raised flange on back section.

8.Open either the rear flue outlet carton (standard) or top flue outlet carton (optional).

9.Attach the 1/8” x 1” wide self-adhesive fiber gasket to the surface of either the rear flue outlet damper assembly or rear flue outlet cover that mounts against the canopy and back section. Gasket must be centered over all attachment holes. Do not overlap corners, cut butt joints.

10.Attach either the rear flue outlet damper assembly or rear outlet canopy cover to the canopy with the 5/16” flat washers, lock-washers and brass

nuts and tighten securely. Attach the rear flue outlet damper assembly or cover to the back section with the four (4) 5/16” flat washers and cap screws and tighten securely.

11.Tighten front canopy carriage bolt until canopy is secure.

12.On the longer canopy sizes, Intermediate Mounting Brackets are provided, two (2) are required on sizes 24-07 thru 24-09 and four (4) are required on sizes 24-10 thru 24-12A. Refer to Figures 17 and 18.

a.Intermediate brackets are shipped flat. Bend side flanges down approximately 90° as shown. Adjust bends until holes in bracket match hole pattern on canopy.

b.Secure brackets to both sides of canopy with three (3) #10 x ½” sheet metal screws per bracket.

c.Secure canopy left side bracket(s) with appropriate canopy ‘J’ bolt(s). Insert threaded end through holes in brackets and hook ‘J’ bolt on center section draw-up rod (hooks should

Figure 14: Canopy with Rear Flue Outlet

Damper Assembly

Figure 15: Canopy with Top Flue Outlet Damper Assembly (Rear Cover Removed)

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Contents Series Page Important Information Read Carefully Page Page Table of Contents Table of Contents Section I General Information Boiler RATINGS/DATA Locate the Unit Section I General InformationChimney or Vent Boiler FoundationVents Faults & Suggestions Assembly of Sections Manual DRAW- UP Section II Cast Iron Block AssemblyNipple Gauge Series 24 Section Arrangement Draw-Up Rods Alternating Pattern Manual Draw-up Center Section Channel Block Position Partial Block Draw-Up Hydraulic Draw-Up of Sections Canopy with Rear Flue Outlet Damper Assembly Section III Installation InstructionsBare Boiler Assembly Avoid Breathing Fiber Particulates and Dust Left Side Canopy Intermediate Bracket Inspect ALL Boiler Seals Mount Rear Observation Port Cover Refer to FigureSeries 24 Jacket Assembly Boiler Models 24-03 thru Mount Burner Adapter Plate to Burner Mounting Plate Burner Mounting Plate Refer to Figures 16Purpose of Tappings Steam Boilers Steam Trim Steam Boilers Install Steam Trim This Is Intentionally Left Blank Purpose of Tappings Water Boilers Water Trim Burner Installation Water Boilers Install Water TrimBoiler Piping Heating Applications Page Parallel Piping Conversion Recommendation 1 Use when Recommendation 2 Use when Recommendation 3 Use when Page Page Page BMounting Elevations M&M 150, 64 Float Low Water Cut-offs Schematic Tankless Heater Piping 24-08 24-09 CCW Open to System Return Temperature Control and ComponentsWater Boiler Pressure Relief Valve Hook-Up Typical Boiler Wiring with RTC Front Typical Boiler with RTC Return Sensor Rear Fill Heating System with Water Always Inspect Installation BeforeSection IV Operating Instructions Starting BurnerFlame Failure Boil MIN Delay Check Operation of High Limit Control Test ControlsBoiler and System Cleaning Steam Boiler Boiler and System Cleaning Water Boilers Oxygen Corrosion Frequent Water AdditionClean the Boiler Flueways Section V Service InstructionsMaintenance of LOW Water Cutoff Devices Operation General Maintenance ConsiderationsOIL Burners Section VI Burner SpecificationsSection VII Repair Parts & Carton Contents Series 24 Master Parts List Section VII Repair Parts Jacket Carton Bare Boiler Assembly Section Joiner Carton Assy Rear Target Wall Carton Standard Steam Trim Carton Assy RTC Carton with Outdoor Reset Tankless Coil Components Boiler Water Section Viii Appendix Page Mechanical Page Mechanical Electrical Page Page Page Page Page Page Page Page Series 24 Boiler Circulator Selection Taco 20F Differential Boiler Recirculation Grundfos Circulating Pump Way Boiler Recirculation Bell and Gossett Circulating Pump Way Boiler Recirculation Armstrong Circulating Pump Way Application Appendix C Valve and Actuator Mounting InstructionsService Record PN 980417 S24 12/05
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