Crown Boiler 24-08, 24-11, 24-10, 24-12, 24-06 Water Boilers Install Water Trim, Burner Installation

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I.WATER BOILERS - INSTALL WATER TRIM

Items for water trim are located in the water trim carton (except for the separately ordered low water cutoff and tankless heater control). Figures 26a and 26b show the proper tappings for each item.

1.Install the temperature pressure gauge.

2.Install the low water cutoff (supplied by others). Follow manufacturer’s instructions furnished with control.

3.Install the immersion well and mount the aquastat (limit control) onto the well.

4.Install the pressure relief valve as shown in Figure 40b. Relief valve must be installed in vertical position.

5.Plug extra boiler tappings.

6.Install required bottom blowoff/drain valve (supplied by others) per minimum piping requirements for water boilers, see Figures 31, 32 and 33.

WARNING

Relief valve discharge piping must be piped within six (6) inches of floor or to floor drain to eliminate potential of severe burns. Do not pipe in any area where freezing could occur. Do not install any shut-off valves, plugs or caps in discharge piping.

J.BURNER INSTALLATION

Refer to burner manufacturer’s installation manual for proper installation, fuel piping, wiring, burner adjustment, burner start-up and service instructions. Consult Section VI of this manual for burner speciﬁcations and burner settings.

K.BOILER PIPING - HEATING APPLICATIONS

CONNECT SUPPLY AND RETURN PIPING TO HEATING SYSTEM (see Figures 31, 32 and/or 33 for water boilers and Figures 34 and 35 for steam boilers).

WARNING

Failure to properly pipe boiler may result in improper, unsafe system operation and void manufacturer's warranty.

DO NOT improperly pipe boiler.

WARNING

All steam and hot water pipes must have clearances of at least 1/2" from all combustible construction.

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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 Section I General Information Locate the UnitBoiler Foundation Chimney or VentVents Faults & Suggestions Section II Cast Iron Block Assembly Assembly of Sections Manual DRAW- UPNipple 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 Section III Installation Instructions Canopy with Rear Flue Outlet Damper AssemblyBare Boiler Assembly Avoid Breathing Fiber Particulates and Dust Left Side Canopy Intermediate Bracket Mount Rear Observation Port Cover Refer to Figure Inspect ALL Boiler SealsSeries 24 Jacket Assembly Boiler Models 24-03 thru Burner Mounting Plate Refer to Figures 16 Mount Burner Adapter Plate to Burner Mounting PlatePurpose of Tappings Steam Boilers Steam Trim Steam Boilers Install Steam Trim This Is Intentionally Left Blank Purpose of Tappings Water Boilers Water Trim Boiler Piping Heating Applications Water Boilers Install Water TrimBurner Installation 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 Return Temperature Control and Components CCW Open to SystemWater Boiler Pressure Relief Valve Hook-Up Typical Boiler Wiring with RTC Front Typical Boiler with RTC Return Sensor Rear Always Inspect Installation Before Section IV Operating InstructionsStarting Burner Fill Heating System with WaterFlame Failure Boil MIN Delay Test Controls Check Operation of High Limit ControlBoiler and System Cleaning Steam Boiler Boiler and System Cleaning Water Boilers Frequent Water Addition Oxygen CorrosionSection V Service Instructions Clean the Boiler FluewaysMaintenance of LOW Water Cutoff Devices General Maintenance Considerations OperationSection VI Burner Specifications OIL BurnersSection 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 Appendix C Valve and Actuator Mounting Instructions ApplicationService Record PN 980417 S24 12/05