Grundfos Vaccuperm VGA-117 Installation And Operating Instructions Manual
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Grundfos Vaccuperm VGA-117 Installation And Operating Instructions Manual

Gas dosing regulator
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Vaccuperm VGA-117
Gas dosing regulator
Installation and operating instructions
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GRUNDFOS INSTRUCTIONS

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Summary of Contents for Grundfos Vaccuperm VGA-117

  • Page 1 GRUNDFOS INSTRUCTIONS Vaccuperm VGA-117 Gas dosing regulator Installation and operating instructions Other languages http://net.grundfos.com/qr/i/95714246...

  • Page 2: Table Of Contents

    1.2 Safety advice for handling chlorine If you require further information, or if problems occur that are not 1.3 Protective equipment described in detail in this manual, please contact Grundfos. 1.4 First aid in case of accidents 1.5 Handling chlorine containers 1.1 Symbols used in this document...

  • Page 3: Protective Equipment

    1.3 Protective equipment 1.4 First aid in case of accidents 1.3.1 Personal protective equipment 1.4.1 First aid after inhaling chlorine The operating authority of a chlorine gas dosing system has to 1. Keep calm. provide respiratory equipment (full-sight gas mask), personally 2.

  • Page 4: Handling Chlorine Containers

    1.5 Handling chlorine containers 1.5.3 Basic rules Chlorine is stored in grey steel cylinders or drums in lockable Warning chlorine rooms. Due to safety precautions, chlorine containers Handling of chlorine containers only by experienced are only filled up to 95 % of their capacity. personnel.

  • Page 5: Chlorine Rooms

    1.6 Chlorine rooms 1.6.2 Labelling of chlorine rooms In Germany, according to DIN 4844, the following warning signs Chlorine rooms are rooms, where a chlorine gas dosing system must be installed outside the entrance of a chlorine room: and/or chlorine containers are located. The chlorine in these rooms is under pressure.

  • Page 6: Introduction

    The responsibilities of the user: • Read this manual before operating. • Be trained by qualified Grundfos personnel in the operation of the product. • Observe the relevant regulations governing safety in the workplace and accident prevention.

  • Page 7: Type Key Vga-117 Dosing Regulator

    2.6 Type key VGA-117 dosing regulator The type key serves for the identification of the product, not for configuration purposes. Code Example VGA-117 -1000 Vaccuperm Gas Advanced Dosing flow 25-500 g/h 1000 50-1,000 g/h 2000 100-2,000 g/h 4000 200-4,000 g/h 6000 300-6,000 g/h 8000...

  • Page 8: Technical Data

    3. Technical data 3.2 Dosing flow 3.1 General technical data 50-1,000 g/h 2-50 lbs/day 100-2,000 g/h 5-100 lbs/day Accuracy ± 4 % of upper limit 200-4,000 g/h 10-210 lbs/day Permissible medium 300-6,000 g/h 15-310 lbs/day Setting range 1:20 400-8,000 g/h 20-420 lbs/day Permissible vacuum VGA-111, VGA-146 (up to 4000 g/h)

  • Page 9: Electrical Data Of Servomotor

    3.5 Electrical data of servomotor 3.5.2 Servomotor with analog control (4-20 mA/0-20 mA) 3.5.1 Servomotor with reversing potentiometer Fig. 8 Servomotor with analog control Pos. Description Fig. 7 Servomotor with reversing potentiometer SR, limit switch cam min. SL, limit switch cam max. Pos.

  • Page 10: Physical And Chemical Data Of Chlorine

    3.6 Physical and chemical data of chlorine 4. Design and function Under normal conditions of pressure and temperature, chlorine is 4.1 Description of the device a yellowish green gas with a pungent odour, which exists as Cl molecule. It is not flammable, but can promote the flammability of metals, hydrocarbons, etc.

  • Page 11: Functional Principle

    4.2 Functional principle 4.2.1 Dosing regulator The dosing regulator regulates the chlorine gas flow with a valve. The flow is read at the top of the ball in the measuring glass. 4.2.2 Vacuum chlorine gas dosing system Fig. 12 Principle of a vacuum chlorine gas dosing system Vacuum regulator (B) Pos.

  • Page 12: Assembly And Installation

    5. Assembly and installation 5.1 Selection of vacuum lines Warning Observe section 1. Safety instructions. The vacuum needed for the transport of chlorine gas is built up by the injector, and maintained by the vacuum lines. Rigid PVC pipes or flexible PE hoses are used as vacuum lines. The following tables show the recommended diameter of vacuum lines, depending on the line length and dosing quantity.

  • Page 13: Connecting The Dosing Regulator

    5.2 Connecting the dosing regulator 5.3 Connecting an external controller to a servomotor with analog control Warning 5.3.1 Warnings and notes for electrical connection Before connecting, make sure that the valves of all chlorine containers are closed. Warning Disconnect servomotor from mains before removing the cover.
  • Page 14 ® 5.3.4 Connecting the external controller Conex DIS-2Q Warning See section 5.3.1 Warnings and notes for electrical connection for warnings and notes relating to electrical connection. 1. Unscrew the screws of the servomotor hood, and remove the hood. 2. Establish electrical connections according to the diagram shown in fig.

  • Page 15: Connecting An External Controller To A Servomotor With Reversing Potentiometer

    ® 5.4 Connecting an external controller to a servomotor 5.4.2 Connecting the external controller Conex DIS-2Q with reversing potentiometer Warning 5.4.1 Terminal connection diagram servomotor with See section 5.3.1 Warnings and notes for electrical reversing potentiometer connection for warnings and notes relating to electrical connection.

  • Page 16: Installation Example

    5.5 Installation example 6.1.2 Checking the vacuum lines Vacuum lines are all lines between vacuum regulator and injector. 1. Close all chlorine container valves. 2. Close the rate valve. 3. Open the shut-off valve at the injection unit. 4. Open the motive water valve. 5.

  • Page 17: Chlorine Extraction

    Checking the tightness with ammonia Checking the inlet valve 1. Loosen the union nut at the overpressure connection of the Warning vacuum regulator, and remove the overpressure line. Ammonia is irritating to eyes, respiratory system and 2. Close the inlet valve. skin.

  • Page 18: Operation

    6.2.4 Chlorine extraction 7.2 Setting the dosing flow To increase the dosing flow, turn the adjustment knob very slowly Do not completely evacuate the chlorine container. counter-clockwise. A residual pressure of approx. 2 bar must remain in the container for the following reasons: If the maximum dosing flow is reached, don't turn the Caution adjustment knob any further, because there is no...

  • Page 19: Servomotor

    7.4 Servomotor 7.6 Changing the chlorine container while the system is running 7.4.1 Connecting the servomotor to the rate valve The red mark (empty indication) at the vacuum regulator shows 1. Move back the retention pin (2). that the minimum pressure of the chlorine container is reached. 2.

  • Page 20: Fault Finding

    10. Disposal This product and all its associated parts must be disposed of in an environmentally friendly manner. Use appropriate waste collection services. If this is not possible, contact the nearest Grundfos company or service workshop.
  • Page 21 Declaration of conformity GB: EU declaration of conformity CZ: Prohlášení o shodě EU We, Grundfos, declare under our sole responsibility that the products My firma Grundfos prohlašujeme na svou plnou odpovědnost, že výrobky VGA-111, VGA-113, VGA-117, VGA-146, VGB-103, VGS-141, VGS-143,...
  • Page 22 Declaration of conformity EAC Установки вакуумные для дозирования газов типа Vaccuperm сертифицированы на соответствие требованиям Технических регламентов Таможенного союза: ТР ТС 004/2011 «О безопасности низковольтного оборудования»; ТР ТС 010/2011 «О безопасности машин и оборудования»; ТР ТС 020/2011 «Электромагнитная совместимость технических средств». Сертификат...
  • Page 23 Phone: +55-11 4393 5533 20th km. Athinon-Markopoulou Av. Telefax: +64-9-415 3250 Turkey Telefax: +55-11 4343 5015 P.O. Box 71 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Norway Bulgaria GR-19002 Peania Gebze Organize Sanayi Bölgesi GRUNDFOS Pumper A/S Grundfos Bulgaria EOOD...
  • Page 24 95714246 0419 ECM: 1260453 www.grundfos.com...

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