Crown Boiler 24-05, 24-11, 24-10, 24-08, 24-12, 24-06, 24-09 Burner Mounting Plate Refer to Figures 16

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8.Combination Label and Crown Logo Plate were attached to jacket front panel at time of manufacture. If loose or peeling, apply pressure to reset adhesive.

9.On steam boilers, attach lowest permissible water level plate (from steam trim carton) to the front panel using sheet metal screws.

10.Tighten all sheet metal screws to complete jacket assembly.

11.RTC Bracket (if used)- install bracket in top right corner of front panel with four (4) #8 x 3/4” self tapping screws.

F.BURNER MOUNTING PLATE - Refer to Figures 16 and 23.

1. Using silastic sealant, secure the 3/16” diameter rope gasket to the groove along the mounting plate opening in the front section.

2. Install 5/16” x 1” lg. cap screw in lower tapping on front section to carry weight of burner mounting plate.

3. Engage bottom slot on burner mounting plate with matching bolt in bottom tapping of front section. Align mounting holes and fasten the mounting plate to the boiler sections with seven (7) remaining 5/16” cap screws and washers. Fully tighten all bolts.

G.MOUNT BURNER ADAPTER PLATE TO BURNER MOUNTING PLATE.

Refer to Figures 16 and 23.

1. In all cases the burner adapter plate carton for the specified burner will be provided by Crown.

2. Open Adaptor Plate carton and remove contents.

Apply four (4) small dabs of silastic on rear surface of adapter plate to temporarily hold gasket in place. Hold adapter plate in position against burner mounting plate, align holes and secure with five (5) 3/8” lock washers and 3/8” x 7/8” lg. cap screws.

3.Follow burner manufacturer’s instructions using gasket material and hardware provided with burner.

4.USE A HOLE SAW OR KNIFE TO CUT BURNER MOUNTING PLATE INSULATION TO MATCH HOLE SIZE ON BURNER ADAPTER PLATE. After cutting, remove any and all loose pieces of insulation which may become lodged or interfere with the head of a burner air tube after insertion. Confirm that hole in insulation fits snugly around burner blast tube. If hole is oversized, use fiberglass rope gasket provided with burner to fill in any space between insulation and blast tube. If rope gasket

is not provided with the burner, use 3/8” fiberglass rope (provided by others).

5.For boilers without tankless heaters, proceed to Step H (Install Steam Trim) or I (Install Water Trim).

6.For boilers with tankless heaters, install the tankless heater manifolds according to Figure 37.

CAUTION

Failure to properly fill all gaps between the insulation and burner blast tube may result in damage to the burner

Figure 23: Burner Mounting Plate/Burner Adapter Plate Options

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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 Section IV Operating Instructions Always Inspect Installation BeforeStarting Burner Fill Heating System with WaterFlame 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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