Toshiba GF632 Instruction Manual
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Toshiba GF632, - 9 - 6F8A0883 1. Product Inspection and Storage 1.1 Product Inspection GF630 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 manuals----------
Toshiba GF632, - 21 - 6F8A0883 4.2.3 Precautions in transportation To prevent the device from being damaged during transportation, the original packing should be left untouched until the device arrives near the intended installation site. The detector is equipped with hanging hooks. Lift it as shown in Figure 4.5. For information on the actual mass of each diameter, refer to Table 4.2. * The lifting work should be executed by those qualified for crane work or slinging work Figure 4.6 Transportation of
Toshiba GF632, - 3 - 6F8A0883 SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring WARNING Do not disconnect while circuit is live unless location is known to be nonhazardous. DON’T Live part of electric circuit or a high temperature department can cause explosion. Do not modify or disassemble the enclosure. DON’T Strength degradation and defects of enclosure can cause explosion. Do not use parts of other products. DON’T Protective performance degradation for hazardous location can cause explosion. Do not touch live circuits until assembly of all components is not over. DO
Toshiba GF632, - 25 - 6F8A0883 4.4 Grounding CAUTION Do not wire cables and replace parts when power is supplied. Do not work on piping and wiring with wet hands. DON’T Wiring work and replacing parts in the power-on state may cause electric shock. DON’T Wet hands may result in electric shock. (1) Grounding of the GF630/LF600F and GF630/LF610F type Ground as shown in Figure 4.12. Make the grounding wire as short as possible. Use grounding wire material of IV wire 5.5mm 2 or more. Do not share a grounding wire with other instruments where grounding current may flow. (An independent grounding is prefera
Toshiba GF632, - 5 - 6F8A0883 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. DON’T Wet hands may result in electric shock. DON’T Wiring while power is applied can cause electric shock. Do not touch the GF630/LF600F, GF630/LF610F and GF632 main body when high temperature fluid is being measured. DON’T The fluid
Toshiba GF632, - 6 - 6F8A0883 Handling Precautions To obtain the optimum performance from the GF630/LF600F, GF630/LF610F and GF632 for years of continuous operation, observe the following precautions. (1) Do not store or install the flowmeter in: ・Where there is direct sunlight. ・Where there is snow and ice Infrared switches may not function correctly. ・Where excessive vibration or mechanical shock occurs. ・Where high temperature or high humidity conditions obtain. ・Where corrosive atmospheres exist. ・That ca
Toshiba GF632, - 8 - 6F8A0883 Table of Contents SAFETY PRECAUTIONS ·····················································································2 Handling Precautions ······························································································6 1. Product Inspection and Storage ······�
Toshiba GF632, - 23 - 6F8A0883 (2) Pipe Orientation The detector may be installed in horizontal, vertical or sloping pipe runs as shown in Figure 4.6. However, except for horizontal installation, fluid should flow from lower to upper directions. If no air bubble, Vertical down flow application are acceptable under pressured piping conditions. See Figure 4.6. Figure 4.7 Detector Piping Orientation The electrodes should be positioned horizontally relative to the ground surface in any piping installation. See Figure 4.7.
Toshiba GF632, - 42 - 6F8A0883 Connection flange standard: See Table 9.2 Type Specification Code. Principal materials Case Carbon steel Lining FEP (standard for meter sizes 15 to 250mm) PTFE (standard for meter sizes 300 to 600mm) Polyurethane (PU) (standard for meter sizes 15 to 400mm) Chloroprene rubber (CR) (standard for meter sizes 450 to 600mm) Electrodes 316L stainless steel (Polyurethane, Chloroprene rubber) Hastelloy C equivalent (FEP, PTFE) Grounding rings None (standard for Polyurethane, FEP and CR ) (Option: See chapter 10.3) 316 s
Toshiba GF632, - 28 - 6F8A0883 CAUTION Install a switch and fuse to isolate the GF630/LF600F, GF630/LF610F and GF632 from mains power. Turn off mains power before conducting wiring work. DO Power supply from mains power can cause electric shock or circuit break-down. DO Wiring while power is applied can cause electric shock. Do not work on piping and wiring with wet hands. Ground the LF600F and LF610F independently from power equipment. (100 ohm or less ground resistance
Toshiba GF632, - 44 - 6F8A0883 To select the meter size: See Figure 9.2 and find meter sizes within the velocity of 0.1 to 10 m/s for a specified full-scale (measuring range high limit) flow. Select one that has its full-scale velocity between 1 and 3 m/s. Make sure the full-scale flow rate used for the final planning stage stays within 10 m/s in terms of flow velocity. 10 -2 10 -1 110 1 10 2 10 3 10 4 15 25 40 50 65 80 100 150 200 250 300 350 400 450 mm10 1 0.3 0.1 流 速 (m/s) 流量〔 m 3 /h〕
Toshiba GF632, - 14 - 6F8A0883 4. Installation Safety Precautions for Installation WARNING Do not active live circuits under environment of explosive atmospheres. DON’T Live part of electric circuit or a high temperature department can cause explosion. Do not use parts of other products. DON’T Protective performance degradation for hazardous location can cause explosion. Do not active live circuits While assembly of all components is not over. DON’T Protective performance degradation for hazardous location can ca
Toshiba GF632, - 36 - 6F8A0883 7.1 Maintenance Cleaning Adhesion might be created in the detector over a long period of time when used on certain materials. Try to confirm whether to cause the adhesion in the detector pipe when the phenomenon is seen, and and an abnormality (ex. decreasing indication, etc.) is confirmed. Please clean with a soft brush etc. and remove any unnecessary build up inside the meter. When using it in the line to which such a phenomenon occurs easily, it is recommended that the detector pipe be cleaned regularly. Use new gaskets when reinstalling the flowmeter detector in the pipeline. Mag-Prover B
Toshiba GF632, - 30 - 6F8A0883 5.2 External Device Connections and Grounding For the notes on connecting, wiring and installation of the combined converter, check the model number of the combined converter and read the instruction manual of the relevant converter. 5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring To avoid 2-point grounding, ground the shield of output cable basically at the receiving side. Use a grounding wire of IV wire 5.5mm 2 or more. The size of the external grounding terminal screws is M4. Do not share a grounding wire with other instruments where grounding current may flow. (An independent grounding is
Toshiba GF632, - 49 - 6F8A0883 10.2 Outline dimensions of GF632 (1) Meter size of 1/2 inch to 6 inch (15mm to 150mm) Separate L3 ±5(mm) Mass Approx. (kg) Meter Size L1±6 (mm) L2±5 (mm) ANSI 150 ANSI 150 15mm 1/2" 200 172 216 5 25mm 1" 200 182 236 6 32mm 1 1/4" 200 187 246 7 40mm 1 1/2" 200 192 256 8 50mm 2" 200 202 278 11 65mm 2 1/2" 200 215 303 13 80mm 3" 200
- 50 - 6F8A0883 (2) Meter size of 8 inch to 24 inch (200mm to 600mm) *1) L1 of PTEF Lining contains the thickness of grounding rings. *2) Mass of PTFE Lining contains the mass of grounding rings. Mass Approx. (kg) L3 ±5(mm)
- 20 - 6F8A0883 Table 4.1 Bolt length and Nut tightening torque *1: 1[N ・m] is 0.7376 [ft・lbf]. ANSI class 150 Machine Bolts Meter size P.C.S Diameter Le
- 24 - 6F8A0883 (3) Flow Direction Install the detector in accordance with the flow direction arrow on the detector. See Figure 4.8. Figure 4.9 Flow direction arrow on the detector (4) Preventing an Empty Pipe Condition Design an upright pipe run (Figure 4.9) or sufficient head pressure (Fig. 4.10) at the downstream detector o
Toshiba GF632, - 41 - 6F8A0883 9. Specifications The flowmeter specifications and the type specification code used when ordering the flowmeter are described in this chapter. 9.1 Specifications Meter size: 1/2", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20" and 24" (15, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500 and 600 mm
Toshiba GF632, - 32 - 6F8A0883 (3) Connecting the input signal cable Strip the sheath from the end of each conductor of a 2-core individually shielded cable as shown in Figure 5.4. Twist those shields and cover them with a thermal contraction tube or vinyl tube not to make contact with the case or core wires. Then attach an M3.5 crimping terminal with insulated sleeve as shown in Figure 5.3. Connect a crimping terminal to the A and B terminals on the terminal block and connect to each G terminal of the detector and converter
Toshiba GF632, - 39 - 6F8A0883 7.2.3 Flow rate indication is not stable Is power supply voltage within the specified range? Use a power supply within the specified range. Are cables securely connected? Connect each cable securely to the terminal board. Is the fluid c
- 54 - 6F8A0883 USER'S FORM NOTES Write down the address and phone number of the distributor from which you purchased this product, the product code, SER.NO. and so on. Distributor Address Name
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