1. Manuals
  2. Brands
  3. COMAC CAL Manuals
  4. Measuring Instruments
  5. FLOW 33Exia MGD
  6. Installation and technical conditions

COMAC CAL FLOW 33Exia MGD Installation And Technical Conditions

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
FLOW 33Exia MGD
1.10
Installation and technical conditions
Date of issue 12/12/2016

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the FLOW 33Exia MGD and is the answer not in the manual?

Questions and answers

Related Manuals for COMAC CAL FLOW 33Exia MGD

Summary of Contents for COMAC CAL FLOW 33Exia MGD

  • Page 1 FLOW 33Exia MGD 1.10 Installation and technical conditions Date of issue 12/12/2016...

  • Page 2: Table Of Contents

    Failures and their symptoms during measurement ................31 Flow sensor cleaning ........................... 31 Service ..............................31 Order code ............................32 Form for returning the meter to COMAC CAL s.r.o................. 33 FLOW 33Exia Manual Page 2 (total 33) COMAC CAL s.r.o.

  • Page 3: Description Of Device

    Food industry design Electronic evaluation unit in a compact design (the electronic unit is integral part of the flow sensor), flow sensor, adapter piping connection according to DIN 11851, installation manual. FLOW 33Exia Manual Page 3 (total 33) COMAC CAL s.r.o.
  • Page 4 FLOW 33Exia Manual Page 4 (total 33) COMAC CAL s.r.o.

  • Page 5: Storage Conditions

    In case of returning the meters for inspection or repair to the COMAC CAL s.r.o. factory, enclose please the completed form, see the last page of this manual. Without having one, we will not be able to handle your requirement for modification or possibly repair your meter correctly and promptly.

  • Page 6: Installation In Pipeline

    Impurities may accumulate during long-term measurement of very low flow rates Q < 0.1 m/sec. There must be a FLOW 33Exia Manual Page 6 (total 33) COMAC CAL s.r.o.

  • Page 7: Installation Examples

    Correct location Pipeline is empty; erroneous measurement Horizontally laid pipeline Long pipeline Place the sensor in a slightly Install controls and shut-off ascending pipeline valves always after the sensor FLOW 33Exia Manual Page 7 (total 33) COMAC CAL s.r.o.

  • Page 8: Actual Installation In Pipeline

    The difference of L and L distances of the sealing surfaces of the flanges before the flow sensor is installed must not be greater than 0.5 mm. FLOW 33Exia Manual Page 8 (total 33) COMAC CAL s.r.o.
  • Page 9 Installation in piping and placement of measuring electrodes in flow sensor FLOW 33Exia Manual Page 9 (total 33) COMAC CAL s.r.o.
  • Page 10 8 x M16 8 x M20 8 x M20 12 x M20 12 x M20 12 x M24 16 x M20 16 x M24 16 x M24 16 x M27 FLOW 33Exia Manual Page 10 (total 33) COMAC CAL s.r.o.
  • Page 11 In case of the threaded connection, it is necessary to check, while tightening, the screwed connection on the sensor so that torsional displacement is be avoided. FLOW 33Exia Manual Page 11 (total 33) COMAC CAL s.r.o.
  • Page 12 While mounting, it is necessary to insert seals in both sides of the earthing ring and take care that no part extends to the internal profile of the sensor (whirling and turbulence of the medium). FLOW 33Exia Manual Page 12 (total 33) COMAC CAL s.r.o.

  • Page 13: Installation Check

    - If earthing rings are used, then their correct installation and connection with the sensor. - Accuracy of flow sensor earthing. - Accuracy of execution of the pipeline calming section lengths - If the sensor is protected against vibrations and mechanical damage. FLOW 33Exia Manual Page 13 (total 33) COMAC CAL s.r.o.

  • Page 14: Wiring

    Devices for group I (I M1 Ex ia I Ma) Conecctor Amphenol C016 Devices for groups II (II 1G Ex ia IIC T6 Ga a II 1D Ex ia IIIC T85°C Da) Connector SEALCON Signal Connector M23 FLOW 33Exia Manual Page 14 (total 33) COMAC CAL s.r.o.
  • Page 15 Recommended connecting cables:: Lapp Kabel Oelflex EB Oelflex EB CY Unitronic Li2YCY Power supply characteristics FLOW 33 Ex ia FLOW 33Exia Manual Page 15 (total 33) COMAC CAL s.r.o.
  • Page 16 Optocoupler loading should be chosen so do not to exceed of the limited parameters: Loading charakteristice (I = 2,5mA) Wiring example Maximal frequence of pulse output is 800Hz with puls width min. 250µs. FLOW 33Exia Manual Page 16 (total 33) COMAC CAL s.r.o.

  • Page 17: Wiring Check

    After completion of wiring, it is necessary to check: - Connecting cables for damage. - Cables for pull relief. - Correct connection of cables to terminals. - Whether the supply voltage corresponds with the nameplate data. FLOW 33Exia Manual Page 17 (total 33) COMAC CAL s.r.o.

  • Page 18: Putting Into Operation

    Supply voltage error Flow direction: The arrow indicates the direction liquid flow inside the sensor and thus the correct orientation of the meter's sensor for installation in piping. FLOW 33Exia Manual Page 18 (total 33) COMAC CAL s.r.o.
  • Page 19 Perform electrical connection always after powering off. For use in conditions where is occurrence of explosion of gases and dust and gassy coal mines apply the following safety parameters and standards. FLOW 33Exia Manual Page 19 (total 33) COMAC CAL s.r.o.

  • Page 20: Technical Data

    Outputs signals of pulses and 4-20mA are passive and galvanically isolated from the electronics of flowmeter and from power supply of flowmeter. Output signal of current loop 0,2–1mA is active and is galvanically connected with power supply of flowmeter. FLOW 33Exia Manual Page 20 (total 33) COMAC CAL s.r.o.
  • Page 21 1.17 % + 0.35 mm/s >= DN 15 0.6 % z M* 0.52 % + 0.8 mm/s 0.97 % + 0.35 mm/s * Of M – of the measured value FLOW 33Exia Manual Page 21 (total 33) COMAC CAL s.r.o.

  • Page 22: Safety Information

    Power supply: U i : 28 V 4,832 W C i : 0 L i : 0 Passive puls output max. 13,6 V max. 20 mA max. 0,068 W zanedbatelné zanedbatelné FLOW 33Exia Manual Page 22 (total 33) COMAC CAL s.r.o.
  • Page 23 Inputs and outputs of devices connected to flowmeter must be equipped with protection"ia". Powering protection: SMD speed fuse SIBA type 157000 160mA Outputs protection : SMD speed fuse SIBA type157000 62mA FLOW 33Exia Manual Page 23 (total 33) COMAC CAL s.r.o.

  • Page 24: Factory Settings

    4 – 20mA (in Qmin/Qmax 1/100 range) Diameter Impulse output nominal Vout[imp/l] Vout - pulse width [ms] Q[l/h] for 4mA Q[l/h] for 20mA 7,600 14,200 21,000 34,000 54,000 84,000 144,000 220,000 340,000 534,000 760,000 1,350,000 FLOW 33Exia Manual Page 24 (total 33) COMAC CAL s.r.o.
  • Page 25 14.2 DN 25 0.35 0.21 DN 32 0.34 DN 40 0.54 DN 50 0.84 DN 65 1.44 DN 80 DN 100 DN 125 5.34 DN 150 DN 200 13.5 1350 FLOW 33Exia Manual Page 25 (total 33) COMAC CAL s.r.o.

  • Page 26: Basic Sensor Sizes

    External nominal Building length Building height of connection meter weight (kg)  sensors [mm] of sensor comp. meter ½“ ¾“ 1“ 1 ¼“ 1 ½“ The Table is for PN25. FLOW 33Exia Manual Page 26 (total 33) COMAC CAL s.r.o.
  • Page 27 Inter-flanged design Conector M12 Diameter Compact nominal Outside diameter Building length Building height flow meter [mm] of sensor of sensor of comp. meter weight (kg) The Table is for PN25. FLOW 33Exia Manual Page 27 (total 33) COMAC CAL s.r.o.
  • Page 28 Diameter Compact nominal Outside diameter Building length Building height flow meter [mm] of flanges of sensor of comp. meter weight (kg) The Table is up to DN 200 for PN25. FLOW 33Exia Manual Page 28 (total 33) COMAC CAL s.r.o.
  • Page 29 The Table is for PN25. DN 15 ÷ DN 20 DN 25 ÷ DN 40 Diameter nominal [mm] DN 50 DN 65 DN 80 Outside dimension of CLAMP [mm] 50,5 FLOW 33Exia Manual Page 29 (total 33) COMAC CAL s.r.o.

  • Page 30: Nomogram For Quick Proposal Of The Measured Place

    Nomogram for quick proposal of the measured place Reduction in DN pipe If the pipe’s DN is higher than that of the meter selected FLOW 33Exia Manual Page 30 (total 33) COMAC CAL s.r.o.

  • Page 31: Failures And Their Symptoms During Measurement

    After cleaning, the pipe must be properly rinsed with water. Service All repairs within warranty and after warranty period are only conducted by the manufacturer, COMAC CAL s. r.o. FLOW 33Exia Manual Page 31 (total 33) COMAC CAL s.r.o.

  • Page 32: Order Code

    Order code FLOW 33Exia Manual Page 32 (total 33) COMAC CAL s.r.o.

  • Page 33: Form For Returning The Meter To Comac Cal S.r.o

    Form for returning the meter to COMAC CAL s.r.o. The meter you have was made with the maximum precision and it has been checked many times and wet calibrated. If the meter is used in agreement with this manual, the occurrence of faults is very rare. Should they ever occur, contact our service department.

Table of Contents