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6F8A0870
 
 
 
 
 
 
ELECTROMAGNETIC FLOWMETER DETECTOR 
 
 
 
 
MODEL  LF414 
 
 
 
INSTRUCTION MANUAL 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
NOTES 
 
Before using the equipment, please read this manual carefully and understand the 
 
contents, and then use the equipment correctly. 
 
 
• NEVER attempt to operate the equipment in any ways that are not described in this 
 instruction manual. 
 
• After reading this manual, store it with care in a place where it can be referred 
                    
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                            6F8A0870     NOTICE  We thank you very much for your purchase of our LF414 series electromagnetic flowmeter detector.  Integral type  LF414/LF600F, LF414/LF610F  Separate type detector  LF414    This instruction manual describes the notes on using an electromagnetic flowmeter detector,  installation, configuration and maintenance. It is intended for the personnel in charge of installation,  operation and maintenance.  To use this product properly and safely, read this manual (6F8A0870) caref
                    
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                            6F8A0870     SAFETY PRECAUTIONS    Safety signs and labels affixed to the product and/or described in this manual give important information for using  the product safely. They help prevent damage to property and obviate hazards for persons using the product.  Make yourself familiar with signal words and symbols used for safety signs and labels. Then read the safety  precautions that follow to prevent an accident involving personal injury, death or damage to property.    Explanation of signa
                    
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                            6F8A0870   SAFETY PRECAUTIONS   Safety Precautions for Installation and Wiring   WARNING   Do not disconnect while circuit is live unless location is known to be nonhazardous.  Live part of electric circuit or a high temperature department can cause explosion.    DON’T   Do not modify or disassemble the enclosure.  Strength degradation and defects of enclosure can cause explosion.    DON’T   Do not use parts of other products.  Protective performance degradation for hazardous location can ca
                    
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                            6F8A0870   SAFETY PRECAUTIONS (continued)    Safety Precautions for Installation and Wiring       CAUTION   Install a switch and fuse to isolate the  Use an appropriate device to carry and install  LF414/LF600F, LF610F and LF414 from the LF414/LF600F, LF610F and LF414.  mains power.  Power supply from mains power If this product falls to the ground,  can cause electric shock or injury, or malfunction of or damage     circuit break-down. to the product, can be caused.  DO DO   Turn off mains 
                    
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                            6F8A0870   SAFETY PRECAUTIONS (continued)    Safety Precautions for Maintenance and Inspection     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, LF610F and  specified. LF414 main body when high temperature  fluid is being measured.  Using a fuse other 
                    
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                            6F8A0870   Handling Precautions  To obtain the optimum performance from the LF600F, LF610F, LF602F and LF612F converter for years of  continuous operation, observe the following precautions.    (1)  Do not store or install the flowmeter in:  ・Places where there is direct sunlight.  ・Places where there is snow and ice  Infrared switches may not function correctly.  ・Places where excessive vibration or mechanical shock occurs.  ・Places where high temperature or high humidity conditions obtain.
                    
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                            6F8A0870   Handling Precautions (continued)      (5)  If the inside of the converter and detector's terminal box are wetted or humidified, it may  cause insulation deterioration, which can result in fault or noise occurrence. So do not  conduct wiring in the open air on rainy days.  Also, be careful not to wet down the converter and detector's terminal box even in the case  of indoor wiring, and complete wiring work in a short period of time.    (6)  Observe the following precautions when yo
                    
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                            6F8A0870       Table of Contents        SAFETY PRECAUTIONS ·····················································································2    Handling Precautions ······························································································6    1.  Product Inspection and Storage ······································································9  1.1  Product Inspection ······················································································· 9  1.2 
                    
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                            6F8A0870     1. Product Inspection and Storage    1.1 Product Inspection    LF414 series electromagnetic flowmeter is shipped in a cardboard container filled with shock-absorbing  materials. Open the package carefully and check as follows:   Make sure the following items are included in the package.  For the integral type (when a converter and detector are united)    Electromagnetic flowmeter main unit --------------------------------- 1 unit  Instruction manual----------------One each for t
                    
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                            6F8A0870     2. Overview    The LF414/LF600F, LF414/LF610F and LF414 electromagnetic flowmeter can be use in the  following hazardous (classified) locations.    ClassⅠ, Division 2, Groups A, B, C and D,  ClassⅡ, Division 2, Groups E, F and G  ClassⅢ    This product is a converter used for electromagnetic flowmeters that measure the volumetric flow rate of  conductive fluid using Faraday's law of electromagnetic induction.  You can bring out the functions of the converter when you place it in
                    
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                            6F8A0870     3. Names of Parts    IMPORTANT    The apparatus should not be provided with the cable connections.    Please prepare yourself for the cable connections which could be used in Division2 hazardos   li 3.1 Appearance    3.1.1 Appearance of LF414/LF600F, LF414/LF610F           (1) Meter size of 1/2 inch (15mm)  Integral      For the detail of the converter, check the LF600F,    LF610F converter's instruction manual.        Terminal block cover                                Ground t
                    
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                            6F8A0870            (2) Meter size of 1inch (25mm)          For the detail of the converter, check the LF600F,    LF610F converter's instruction manual.        Terminal block cover                          Ground terminal for converter      Flow direction arrow    Detector  Ground terminal for detector      Grounding ring      Window for electrode           Figure 3.1.2  Appearance of LF414/LF600F, LF610F    Meter size 1 inch(25mm)          - 12 -                                             
                    
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                            6F8A0870            (3) Meter size of 1 1/2 to 4 inch (40 to 100mm)    For the detail of the converter, check the LF600F ,    LF610F converter's instruction manual.        Terminal block cover                            Ground terminal     for converter  Flow direction arrow      Ground terminal for detector  Detector       Grounding ring              Figure 3.1.3  Appearance of LF414/LF600F, LF610F      Meter size 1 1/2 to 4 inch (40 to 100mm)        - 13 -                                  
                    
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                            6F8A0870            (4) Meter size of 6 and 8 inch (150 and 200mm)        For the detail of the converter, check the LF600F,    LF610F converter's instruction manual.        Terminal block cover                 Lifting Lugs    *Only 8 inch (200mm)    Flow direction arrow  provided.  Ground terminal    for converter      Ground terminal for detector    Grounding ring                      Detector              Figure 3.1.1  Appearance of LF414/LF600F, LF610F      Meter size 6 and 8 inch(150 an
                    
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                            6F8A0870     3.1.2 Appearance of LF414           (1) Meter size of 1/2 inch (15mm)  Separate         Excitation cable   Signal cable Terminal Box Cover     3/4 - 14 NPT  3/4 - 14 NPT        Terminal Box               Flow direction arrow          Detector    Ground terminal for detector    Grounding ring           Window for electrode              Figure 3.1.2  Appearance of LF414  Meter size 1/2inch(15mm)  - 15 -                                                                               
                    
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                            6F8A0870            (2) Meter size of 1inch (25mm)        for Excitation cable for Signal cable Terminal Box Cover     3/4 - 14 NPT  3/4 - 14 NPT        Terminal Box               Flow direction arrow          Detector    Ground terminal for detector   Grounding ring          Window for electrode             Figure 3.1.2  Appearance of LF414    Meter size 1 inch(25mm)            - 16 -                                                                                                            
                    
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                            6F8A0870            (3) Meter size of 1 1/2 to 4 inch (40 to 100mm)                Excitation cable Signal cable   3/4 - 14 NPT Terminal Box Cover   3/4 - 14 NPT       Terminal Box               Flow direction arrow          Detector    Ground terminal for detector      Grounding ring                           Figure 3.1.3  Appearance of LF414  Meter size 1 1/2 to 4 inch (40 to 100mm)      - 17 -                                                                                                 
                    
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                            6F8A0870            (4) Meter size of 6 and 8 inch (150 and 200mm)          Excitation cable Signal cable  Terminal Box Cover     3/4 - 14 NPT  3/4 - 14 NPT      Terminal Box         Lifting lugs    Flow direction arrow *Only 8 inch (200mm)  矢印銘板     provided.      Ground terminal for detector    Grounding ring                          Detector          Figure 3.1.4  Appearance of LF414    Meter size 6 and 8 inch(150 and 200mm)            - 18 -                                               
                    
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                            6F8A0870     3.2 Construction of the terminal blocks    3.2.1 Terminal Block Construction of LF414/LF600F, LF414/LF610F Type     For details of the converter, check the LF600F, LF610Fconverter's instruction manual.  Integral      3.2.2 Terminal Block Construction of LF414 Type         Separate                                                                       Signal cable terminal  Excitation cable terminal        Figure 3.2.2  Terminal Block of LF414  - 19 -