Crown Boiler 24-04, 24-11, 24-10 Appendix C Valve and Actuator Mounting Instructions, Application

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APPENDIX C – VALVE AND ACTUATOR MOUNTING INSTRUCTIONS

Application

For use with ESBE ½” to 6” 3-Way and 4-Way rotary valves for mixing and diverting applications. Use with 24Vac 3-point “ﬂoating” signal controller.

Mounting the Motor

1.Place drive sleeve  onto shaft and secure with bolt . Check that the valve is in mid-position (sleeve pointer set to position 5 on scale plate).

2.Mount threaded stud  in one of the threaded holes. For 1½” and 2" valves replace one of the cover bolts with the threaded rod. Tighten mounting piece  onto threaded rod.

3.Mount handle  over drive sleeve set pointer to 5 on the scale plate. Handle must be mounted opposite to the pointer of the drive sleeve.

4.Mount motor onto sleeve so that the mounting piece m ﬁts into the locking piece o. Push locking piece to lock in place. Labels are supplied to indicate the direction of rotation. Determine the direction of rotation and mount the correct label under the plastic front cover of motor.

Manual Operation

Always disconnect power before operating by hand. Note position of drive sleeve pointer to be returned to. Depress the gray button, “A”, on the side to release

the handle. The valve can now be operated manually. Never manually operate when gears are engaged.

Adjusting Cams

The position of the cams is changed by ﬁtting a screw- driver in the slot and moving the cam to the desired position.The topmost cam operates the auxiliary switch (upper switch – NOT USED). The middle and lower cams determine the degree of rotation (30° to

180°). To access, remove the actuator cover to gain access to the middle and lower cams.The valve rota- tion must be set before operation can begin. Adjust the cam so that each end switch is made when the valve is fully open (pointer towards “0”) and when the valve is fully closed (pointer towards “10”). Depress

the “Test” switch on the RTC control to test for proper valve operation.

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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 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 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