Manuale d’uso / di manutenzione del prodotto GF632 del fabbricante Toshiba
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6F8A0883 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.
- 1 - 6F8A0883 NOTICE We thank you very much for your purchase of our GF630 series electromagnetic flowmeter detector. Integral type GF630/LF600F and GF630/LF610F Separate type d.
- 2 - 6F8A0883 SAFETY PRECAUTIONS Safety signs and labels affixed to th e product and/or described in this manua l give important inform ation for using the product safely. They help prevent damage to property and obviate hazards for persons using the product.
- 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 .
- 4 - 6F8A0883 SAFETY PRECAUTIONS (continued) Safety Precautions for Installation and Wiring CAUTION Install a switch and fuse to isolate the GF630/LF600F, GF630/LF610F and GF632 fro m main s po wer. Use an appropriate device to carry and install the GF630/LF600F, GF630/LF610F and 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 .
- 6 - 6F8A0883 Handling Precautions To obtain the optim um 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 .
- 7 - 6F8A0883 Handling Precautions (continued) (6) If the inside of the converter and detector's terminal box are wetted or hum idified, it may cause insulation deterioration, which can result in fault or noise occurrence .
- 8 - 6F8A0883 Table of Contents SAFETY PRECAUTIONS ·······························································.
- 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.
- 10 - 6F8A0883 2. Overview The GF630/LF600F, GF630/LF610F and GF632 electromagnetic flowmeter can be use in the following hazardous (classified) locations.
- 11 - 6F8A0883 3. Names of Parts 3.1 Appearance 3.1.1 Appearance of GF630/LF600F and GF630/LF610F Note: The ground cables are included in the package, so install them to flanges as shown in the Fig.4.5 as needed. (The screws are equipped to detector flanges.
- 12 - 6F8A0883 3.1.2 Appearance of Detector GF632 Note: The ground cables are included in the package, so install them to flanges as shown in the Fig.4.5 as needed. (The screws are equipped to detector flanges.) Separate Figure 3.
- 13 - 6F8A0883 3.2 Construction of the terminal blocks 3.2.1 Terminal Block Construction of GF630/LF600F and GF630/LF610F Type For the detail of the converter, check the converter LF600F and LF610F instruction manual.
- 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 .
- 15 - 6F8A0883 CAUTION Ground the GF630/LF600F, GF630/LF610F and GF632 independently from power equipment. (100 ohm or less ground resistance) Use an appropriate device to carry and install the GF630/LF600F, GF630/LF610F and GF632 .
- 16 - 6F8A0883 4.1 Notes on Selecting the Installation Location 1. Avoid places within the immediate proxim ity of equipment producing electrical interference (such as motors, transformers, radio transmitters, el ectrolytic cells, or other equipment causing electromagnetic or electrostatic interference ).
- 17 - 6F8A0883 (2) Preventing an Empty Pipe Condition Fix the relevant pipes installed on both sides of the det ector by attaching fittings, etc.
- 18 - 6F8A0883 4.2.2 Installation Procedure In addition, in the case of detector with FEP lining, make sure to install the gaskets between grounding ring and lining. The gaskets must be installed so as not to protrude into the measurem ent tube.
- 19 - 6F8A0883 T o mount the GF63*, place it between the upstream and downstream pipe flanges and tighten it with flange bolts and nuts. See Figure 4.5 and follow the procedure below: 1. Insert two lower mounting bolts through the clearance holes in the upstream (or downstream ) pipe flange.
- 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 Length [inch] Tightening torque [N ・ m] *1 15mm 1/2” 4 1/2” 2” 7 to 9 25mm 1” 4 1/2” 2.
- 21 - 6F8A0883 4.2.3 Precautions in transportation To prevent the device from being damaged during tran sportation, the original packing should be left untouched until the device arrives near the intended installation site. The detector is equipped with hanging hooks.
- 22 - 6F8A0883 4.3 Piping Connections (1) Required Upstream Straight Pipe Length If various joints are used upstream of the detector outlet, the straight pipe length as shown in Table 4.
- 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.
- 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.
- 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.
- 26 - 6F8A0883 (2) Grounding of the GF632 type Ground the external grounding terminal of the detect or and the FG terminal of the converter (or external grounding terminal of the converter) securely ( grounding resistance 100ohm or lower) .
- 27 - 6F8A0883 5. Wiring Safety Precautions for 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 .
- 28 - 6F8A0883 CAUTION Install a switch and fuse to isolate the GF630/LF600F, GF630/LF610F and GF632 fro m main s po wer. Turn off mains power before conducting wiring work. DO Power supply from mains power can cause electric shock or circuit break-down .
- 29 - 6F8A0883 Notes on wiring CAUTION (1) The apparatus does not be provided with the cable connections. Please prepare yourself for the cable connections which could be used in Division2 hazardous locations. The cable lead –in section must be tight ened securely to keep air tightness.
- 30 - 6F8A0883 5.2 External Device Connections and Grounding For the notes on connecting, wiring and installation of the combined converter, check the model num ber of the combined converter and read the inst ruction manual of the relevant converter.
- 31 - 6F8A0883 5.4 Wiring 5.4.1 Terminal Treatment of Cables Follow the procedures below to treat the terminals (at the converter side) of various cables and install the cables to the terminal block. Use appropria te cables based on the description in Section 5.
- 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.
- 33 - 6F8A0883 5.4.2 Cable Connection Connect and install the terminal-treate d cables to the terminal block. *Connect the cables to the terminal block securely. A loose connection may cause incorrect measurement. After connecting a cable, try to pull it to check whether it has been connected securely.
- 34 - 6F8A0883 6. Operation Preparatory check Follow the procedure described belo w to prepare before starting the flow measurement (described with regard to the entire flowmeter). Check the items listed below Check the wiring between the converter and related instruments .
- 35 - 6F8A0883 7. Maintenance and Troubleshooting Safety precaution for Maintenance and Troubleshooting 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 .
- 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.
- 37 - 6F8A0883 7.2 Troubleshooting If a problem occurs while using the GF630/LF600F, GF630/LF610F and GF632, follow the flowcharts described below. You may find a way to solve the problem. The flowch arts are based on three symptoms (1) to (3).
- 38 - 6F8A0883 7.2.2 Flow rate indicated is not correct Is the flow range correctly set? Set correctly. Refer to combined converter's manual. NO YES Is zero point correctly set? Perform the zero adjustme nt. Refer to combined converter's manual.
- 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.
- 40 - 6F8A0883 8. Principle of Operation The operating principle of the electromagnetic flowme ter is based on Faraday's Law of electromagnetic induction and it is designed to measure the volumetric flow rate of fluid.
- 41 - 6F8A0883 9. Specifications The flowmeter specifications and the type specifi cation code used when ordering the flowme ter are described in this chapter.
- 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 .
- 43 - 6F8A0883 Calibration range : I t c a l i b r a t i o n b y s t a n d a rd Range shown in the table below when Range is not specified. It calibration when there is sp ecification by flowing quantity Range in which the customer is specified.
- 44 - 6F8A0883 To select the meter size: See Figure 9.2 and find meter si zes 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.
- 45 - 6F8A0883 Flow velocity range Flow volume Meter size 0.328ft/s 0.98ft/s 3ft/s 10ft/s 32.8ft/s 1/2 inch 0.2801 gal/min 0.8403 gal/min 2.561 gal/min 8.538 gal/min 28.01 gal/min 1 inch 0.7781 gal/min 2.334 gal/min 7.115 gal/min 23.
- 46 - 6F8A0883 9.2 Type Specification Code Table 9.2 Type Specification Code Model number Specification code Lining 1 2 3 4 5 6 7 8 9 10 11 12 Contents G F 6 3 Flanged connect.
- 47 - 6F8A0883 10. Outline Dimensions 10.1 Outline dimensions of GF630/LF600F and GF630/LF610F (1) Meter size of 1/2 inch to 6 inch (15mm to 150mm) (1) Meter size of 1/2 inch to 8 inch (15mm to 200mm) NOTES (1) For the detail dimention of conveter, check the converter LF600F and LF610F instruction ma nual.
- 48 - 6F8A0883 (2) Meter size of 8 inch to 24 inch (200mm to 600mm) NOTES *1) L1 of PTEF Lining contains the thickness of grounding rings. *2) Mass of PTFE Lining contains the mass of grounding rings. (1) For the detail dimention of conveter, check the converter LF600F and LF610F instruction ma nual.
- 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.
- 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.
- 51 - 6F8A0883 10.3 Outline dimensions of Grounding ring Option for Polyurethan, CR and FEP *1) When the grounding ring will apply to the FEP lining, please attach the gasckets between the grounding ring and lining. (Refer to Fig 4.
- 52 - 6F8A0883 Appendix 1 1-1 A system block diagram for GF630/LF600F and GF630/LF610F.
- 53 - 6F8A0883 1-2 A system block diagram for GF632.
- 54 - 6F8A0883 USER'S FORM N O T E S Write down the address and phone number of the dist ributor from which you purchased this product, the product code, SER.NO. and so on. Distributor Address N a m e Phone number ( ) - Product code GF S E R .
6F8A0883.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Toshiba GF632 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Toshiba GF632 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Toshiba GF632 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Toshiba GF632 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Toshiba GF632, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Toshiba GF632.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Toshiba GF632. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Toshiba GF632 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.