Circor Leslie F-1240LDW, Installation, Operating And Maintenance Instructions

Page 1: ...ART UP PROCEDURE 2 TO DRAIN UNIT FOR PROLONGED SHUT DOWN 3 SECTION III 7 MAINTENANCE OF SYSTEM COMPONENTS 7 ACTUATOR ASSEMBLY 2 VALVE PLUG ASSEMBLY 2 CONTROL VALVE ASSEMBLY 2 MAINTENANCE OF SYSTEM COMPONENTS HEAT EXCHANGER 2 SECTION IV TROUBLE SHOOTING GUIDE 2 Recirculating Systems 2 Heat Exchanger and Blending Valve 3 Table of Figures FIGURE 1 4 FIGURE 2 6 Figure 3 2 Figure 5 2 Figure 6 2 F 340LD...

Page 2: ...es in most part for the wide temperature variations normally encountered when an uncontrolled steam supply pressure is used Compensation is accomplished by re proportioning the blend ratio of hot and cold water on an automatic Feedforward basis The blending valve incorporated a third window which is normally closed by a seal plate assembly In the event that some dirt or foreign material enters the...

Page 3: ...g 2 5 After adjustments are completed move lock nut 13 until it is against plate 16 and lock in place with lock nut set screw 6 Heater is now adjusted and operating No other adjustments should be necessary unless there is a change in your initial operating conditions To SHUT DOWN HEATER close steam stop valve first followed by water stop valve TO DRAIN UNIT FOR PROLONGED SHUT DOWN Where drainage i...

Page 4: ...Installation Operating and Maintenance Instructions 90 4 5 5 Rev 0 FIGURE 1 ...

Page 5: ...Note 1 Requires four 4 R N 45840 and two 2 R N 59478 Note 2 Furnished with Heater Coil but may be ordered separately Note 3 Includes seal plate 21 screws 17 and lock washers 18 ...

Page 6: ...220 140 20 300 22 300 24 300 27 300 150 17 300 19 300 21 300 23 300 160 40 180 120 30 220 30 210 30 200 30 190 140 23 250 25 240 27 230 30 220 150 20 280 22 270 24 270 27 260 160 F 340LDW Capacity and Adjustment Table Capacity in GPM Numbers in brackets are approximate Gain Adjustor settings in degrees Maximum water temperature setting for F 340LDW is 150 0 F Steam pressure is measured at the Heat...

Page 7: ...36 10 Disconnect Victaulic couplings from valve body 42 and remove gaskets 11 Take out cap screws 39 and remove valve body 42 12 Push temperature adjusting sleeve 33 out of yoke 36 13 Valve plug assembly should not be disassembled unless parts replacement is necessary due to wear or damage For disassembly see instructions covering assembly of valve plug and reverse instruction procedure 14 All par...

Page 8: ...Body Also Tubing and Fitting to Cold Water Inlet Figure 3 VALVE PLUG ASSEMBLY 1 Fasten seal plate assembly 21 to valve plug 38 with screws 17 and lock washers 18 7 ft lb 2 Place a stem collar washer 31 Teflon thrust washer 32 and a second stem collar washer 31 in this order over upper stem 1 making sure parts shoulder on step of upper stem Insert Spirolox retaining ring 9 into upper stem 1 groove ...

Page 9: ...L RETAINING RING 12 12 With valve plug key and temperature adjuster 14 lined up on approximately the same center line insert valve plug assembly into valve body 42 bore Plug assembly will move freely into body bore until stem collar hits Teflon guide in temperature adjusting sleeve 33 Push plug stem up through guide until plug hits stop in valve body If plug does not bottom against valve body stop...

Page 10: ...NG DURING OR AFTER PROLONGED PERIODS WHEN NO WATER IS BEING USED FROM HEATER AND A RECIRCULATING SYSTEM IS PROVIDED Too much water being re circulated through heater Reduce water flow through heater by throttling re circulation stop valve to allow enough time for water in piping system to cool and assume new temperature setting If piping system is extensive and contains a large volume of water the...

Page 11: ...er outlet piping should be approximately 200 to 2150 F when heater is being operated within its rated capacity Temperature may be checked by using a contact Pyrometer held against a smooth filed section of exchanger outlet piping Steam pressures of from 2 to 15 psig may be checked by using the CAPACITY AND ADJUSTMENT TABLE found in your Heater Manual to determine GPM and water temperature per your...

Page 12: ...NOTE A 30 F change in inlet water temperature to Heater will produce a change in the Heaters adjusted water temperature of 10 F ...

Page 13: ...F 340LDW ...

Page 14: ...F 640LDW ...

Page 15: ...F 940LDW ...

Page 16: ...F 1240LDW Re Circulation System ...

Page 17: ......

Page 18: ...NGERS NOTE 3 INSTALL SMALL TRAP AND STRAINER TO DRAIN CONDENSATION DURING NO LOAD OR STANDBY CONDITION NOTE 4 INSTALL THERMONETER SUPPLIED ON OUTLET HOT WATER LINE NOTE 5 INSTALL STOP VALVES ON STEAM CONDENSATE AND WATER INLET AND OUTLET LINES NOTE 6 SEE TABLE BELOW FOR MAXIMUM ELEVATION OF CONDENSATE DISCHARGE MAXIMUM ELEVATION TABLE INLET PRESSURE PSIG MAXIMUM ELEVATION OF CONDENSATE DISCHARGE 2...

Page 19: ...Inc however the system designer and user retain final responsibility The designer should consider applicable Codes material compatibility product ratings and application details in the selection and application Improper selection application or use of the products described herein can cause personal injury or property damage If the designer or user intends to use the product for an application or ...