Leslie-controls NYC Heat Exchanger Manuel d'utilisateur

DOUBLE SHELL & TUBE HEAT EXCHANGER TABLE OF CONTENTS INTRODUCTION ...

Page 10 of 25 Second switch = 130 degrees F Should an over temperature condition occur a temperature switch in first or second stage of one or both

Page 11 of 25 I. GENERAL OPERATION OF HEAT EXCHANGERS Heat exchangers are designed to transfer heat between steam and water at various temper

Page 12 of 25 Figure 9 - Flow Distribution in Heat Exchangers N 1 Heating Fluid In N 2 Heating Fluid Out N 3 Cold Fluid In N 4 Cold Fluid Out M

Page 13 of 25 rain). During transportation, ensure that they are not exposed to mechanical damages. STARTUP To prepare heat exchanger for ope

Page 14 of 25 - Accepted for use in food processing industries (if applicable) - Removes scale, slag, tarnishes, and hard water deposit

Page 15 of 25 MAINTENANCE HEAT EXCHANGERS (Refer to manufactures specific IOM) (ref. Valve listing) Shut down steam and supply water to hea

Page 16 of 25 SOLENOID VALVES (Ref ASCO Form number V6297R2) See ASCO solenoid instruction set for Installation, Operation and Maintenance Inst

Page 17 of 25 Valve Listing and Functions (refer to assembly drawing for particular size heater) Item No. ON OFF 15 Flow diverter, primary flo

Page 18 of 25 Water temperature fluctuates or is colder than required Blockage in condensate line causing condensate to back up into heat exchangers.

Page 19 of 25 4. Remove output water copper tubing section and put it aside. 5. Undo steam side unions and remove condensate drain line betwee

Page 2 of 25 LIST OF ILLUSTRATION FIGURE 1 - TYPICAL HEATER ILLUSTRATION...

Page 20 of 25 7. Remove center rail bolts from frame. Frame is ready to be split in two sections. UNIT STARTUP AFTER INSTALLATION 1. Lag t

Page 21 of 25 6. Set condensate drain valves such that the condensate flow passes through cooler. 7. Open up both steam gate valves to

Page 22 of 25 8. Open all other valves. Open cold water supply valves to heat exchangers before opening valves to second blend valves. (THES

Page 23 of 25 9. Set three way diverting valve for pump to be used. 10. Plug in the electronic control box and make sure the correct re-circula

Page 24 of 25 12. Set the front and back aquastat thermal switches for proper temperature setting. 13. Supply proper steam pressure to the unit.

Page 25 of 25 It is solely responsibility of system designer and user to select products and materials sui

Page 3 of 25 Figure 1 - Typical Heater Illustration

Page 4 of 25 Figure 2 – Control Box

Page 5 of 25 Figure 3 - Switch Box

Page 6 of 25 INTRODUCTION This Installation, Operation, and Maintenance Manual is intended to be as complete and up to date

Page 7 of 25 A. INSTALLATION After connecting inlet cold water, outlet hot water, Steam inlet, re-circulation inlet, safety relief valve drains

Page 8 of 25 Schematic Component Descriptions 1. Power on Light: • Indicates that power is being supplied to system. • Fuse F1 blown, burnt out lig

Page 9 of 25 pump should fail then Red light for “NO_FLOW” will light. Follow instructions for isolating this pump and starting prima