Toshiba LF414 Safety Precautions for Maintenance and Inspection, Usage limitation, - 5 -, Don’T

Page 6
Safety Precautions for Maintenance and Inspection

6F8A0870

SAFETY PRECAUTIONS (continued)

Safety Precautions for Maintenance and Inspection

applied. CAUTION

„ Do not conduct wiring work with wet hands.

„ Do not conduct wiring work when power is

 

 

applied.

 

 

Wet hands may result in

 

Wiring while power is applied can

 

electric shock.

 

cause electric shock.

DON’T

 

DON’T

 

„ Do not use a fuse other than the one

„ Do not touch the LF414/LF600F,

specified.

 

LF414/LF610F, LF414/LF620F and LF414

 

 

main body when high temperature fluid is

 

 

being measured.

 

Using a fuse other than the one

 

The fluid raises the main body

 

specified can cause system

 

temperature and can cause burns

DON’T

failure, damage or malfunction.

DON’T

when touched.

 

 

 

 

The label shown left is placed near the terminal board for power input of the converter. (A black border and symbol on yellow triangle)

Be alert to electric shock.

Usage limitation

This product is not manufactured for applying to a system requiring safety directly involved human life as follows. Please contact your nearest Toshiba reprehensive if there is a possibility of using this product for such use.

-Main control systems of nuclear power plants, safety protection systems in nuclear facilities or other important systems requiring safety

-Medical control systems relating to life support

Warranty and Limitation of Liability

Toshiba does not accept liability for any damage or loss, material or personal, caused as a direct or indirect result of the operation of this product in connection with, or due to, the occurrence of any event of force majeure (including fire or earthquake) or the misuse of this product, whether

intentional or accidental.

- 5 -

Image 6
Contents 6F8A0870 About Safety Precautions 6F8A0870- 1 - Integral type LF414/LF600F, LF414/LF610F, LF414/LF620FSafety symbols SAFETY PRECAUTIONSExplanation of signal words - 2 -DON’T SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring- 3 - „ Do not modify or disassemble the enclosureDON’T SAFETY PRECAUTIONS continuedSafety Precautions for Installation and Wiring - 4 -Usage limitation Safety Precautions for Maintenance and InspectionWarranty and Limitation of Liability - 5 -・Places where excessive vibration or mechanical shock occurs Handling Precautions- 6 - 2 Wire cables correctly and securelyHandling Precautions continued - 7 -Table of Contents - 8 -1.2 Strage 1. Product Inspection and Storage1.1 Product Inspection - 9 -- 10 - Features2. Overview 5 Intelligent functions3.1.1 Appearance of LF414/LF600F, LF414/LF610F 3. Names of Parts3.1 Appearance Integral 1 Meter size of 1/2 inch 15mmFigure 3.1.2 Appearance of LF414/LF600F, LF610F Meter size 1 inch25mm 2 Meter size of 1inch 25mm- 12 - Ground terminal for converterFigure 3.1.3 Appearance of LF414/LF600F, LF610F 3 Meter size of 1 1/2 to 4 inch 40 to 100mm- 13 - Meter size 1 1/2 to 4 inch 40 to 100mmLifting Lugs 4 Meter size of 6 and 8 inch 150 and 200mm- 14 - providedFigure 3.1.5 Appearance of LF414/LF620F Meter size 1/2inch15mm 3.1.2 Appearance of LF414/LF620F- 15 - Ground terminal for converter Flow direction arrow Detector- 16 - Figure 3.1.6 Appearance of LF414/LF620F Meter size 1 inch25mmGround terminal for converter Flow direction arrow - 17 - Figure 3.1.7 Appearance of LF414/LF620FMeter size 6 and 8 inch 150 and 200mm - 18 -Figure 3.1.8 Appearance of LF414/LF620F Ground terminal for converter Lifting Lugs- 19 - 3.1.3 Appearance of LF414Separate 1 Meter size of 1/2 inch 15mm Signal cableFigure 3.1.10 Appearance of LF414 Meter size 1 inch25mm - 20 -for Signal cable for Excitation cableFigure 3.1.11 Appearance of LF414 - 21 -Signal cable Excitation cable- 22 - Figure 3.1.12 Appearance of LF414Meter size 6 and 8 inch150 and 200mm 3.2.2 Terminal Block Construction of LF414 Type Signal cable terminal3.2 Construction of the terminal blocks - 23 -- 24 - 4. InstallationSafety Precautions for Installation „ Use an appropriate device to carry and install- 25 - 4.1 Notes on Selecting the Installation Location4.2 Mounting Procedure 4.2.1 Pipe checks 2. Avoid places where excessive pipe vibration occurs- 26 - Figure 4.2 Example of Pipe Fixing ProcedureFigure 4.3 Model Diagram of Unsupported Pipes 4.2.2 Installation Procedure - 27 -Figure 4.4 LF414 flowmeter detector piping connections - 28 - Table 4.1 Bolt length and Nut tightening torque4.3 Piping Connections 1a Ideal Upstream Straight Pipe Length Installation Requirements1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology L=5DFigure 4.6 Installation position of the detector 2 Pipe Orientation- 30 - Figure 4.5 Detector Piping Orientation- 31 - 3 Flow Direction4 Preventing an Empty Pipe Condition Figure 4.7 Flow direction arrow on the detector- 32 - 4.4 Grounding1 Grounding of the LF414/LF620F type Figure 4.10 Grounding the LF414/LF620F Type2 Grounding of the LF414 type - 33 -5.Wiring Safety Precautions for Wiring- 34 - „ Install a switch and fuse to isolate the 6F8A0870- 35 - independently from power equipment. 100 ohm- 36 - Notes on wiring5.1 Cables Table 5.1 Installation Cables5.2 External Device Connections and Grounding 5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring5.3.2 Notes on Wiring of the Separate type LF414 - 37 -Separate 2 Excitation cable 5.4 Wiring 5.4.1 Terminal Treatment of Cables1 Power cable, current output cable, digital I/O cables - 38 -- 39 - 3 Connecting the input signal cableNotes on signal cable shield processing work Figure 5.3 Terminal Treatment of Flow Rate Signal Cable5.4.2 Cable Connection - 40 -Figure 5.5 Connecting a Cable to Terminal Block - 41 - 6. OperationPreparatory check „ Check the wiring between the converter and related instruments- 42 - 7. Maintenance and TroubleshootingSafety precaution for Maintenance and Troubleshooting „ Do not conduct wiring work when power is appliedCheck/Replacement of the display unit 7.1 Maintenance„ Cleaning materials- 44 - 7.2 Troubleshooting7.2.1 Flow rate is not indicated START Are power supplies correct NO for each device? YESPerform the zero adjustment Refer to combined converters manual 7.2.2 Flow rate indicated is not correct- 45 - Clean the inside of the detector pipeIs power supply voltage 7.2.3 Flow rate indication is not stable- 46 - Use a power supply within the specified range8. Principle of Operation - 47 -Square-Wave Excitation Figure 8.1 Principle of Operation - 48 - 9. Specifications9.1Specifications Measurement range in terms of flow velocity- 49 - Electrical conductivity μS/cmFigure 9.1 Electrical Conductivity vs. Cable Length - 50 - Table 9.1 Standard Flow RangeUnit gal/min - 51 -Table 9.2 Flow velocity vs. flow volume Unit m3/hTable 9.3 Type Specification Code - 52 -9.2 Type Specification Code Table 9.4 Type Specification Code Exciting Cable and Signal Cable - 53 -Exciting cable length Nominal cross-sectional area Overall diameter 1 Meter size of 1/2 inch 15mm 10. Outline Dimensions10.1 Outline dimensions of LF414/LF600F, LF414/LF610F 2 Meter size of 1 inch 25mm3 Meter size of 1 1/2 to 8 inch 40 to 200mm - 55 -10.2 Outline dimensions of LF414/LF620F - 56 -Waight approx 9 lb 4kg - 57 - 10.3 Outline dimensions of LF414 - 58 -Waight approx 7 lb 3kg - 59 - Appendix 1-1 A system block diagram for LF414/LF600F, LF414/LF610F - 60 -1-2 A system block diagram for LF414/LF620F - 61 -2-1 A system block diagram for LF414 - 62 -Phone number ( - 63 -Distributor Address Name Product codeFCF50017