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Appendix D

INTRODUCTION A Clayton SE (Super Economizer) Coil provides added efficiency to your existing Clay- ton steam generator / fluid heater. The SE coil allows feedwater supply to be preheated prior to entering the main heating section. This preheated fluid helps to reduce the energy consumption of the machine without compromising its output capacity. An SE coil is offered as a kit. This kit includes the coil assembly, outer shell extensions, band clamps, piping, and necessary hardware.

IMPORTANT Before ordering an SE Kit, verify there is ample overhead clearance above the machine. An SE section adds twenty-four to forty-eight inches of height to the machine. Additional clearance must also be available for lifting SE coil onto the main coil. See Section 6.7 for height requirements. WARNING An SE coil assembly weighs several hundred pounds. Make sure all safety measures are observed throughout the SE Kit installation pro- cess. Make sure the lifting apparatus that will be used to hoist the SE coil assembly is designed for lifting such weights. NOTE It is always recommended that these procedures be reviewed com- pletely before beginning the SE Kit installation.

INSTALLATION Execute a dry shutdown of the machine. See Section IV in the Steam Generator/Fluid Heater Instruction Manual for procedure. Allow the machine to cool.

WARNING Secure the machine to prevent accidental start up during SE Kit in- stallation.

Remove Heater Covers

a. Disconnect and remove the flue exhaust duct from the heater cover. b. Disconnect and remove the existing feedwater supply and discharge piping from the machine. c. Remove the outer heater cover clamp bands and outer heater cover (See Figure 1.)

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