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BRONKHORST W-300B Instruction Manual

Controlled evaporator and mixer
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Instruction manual
C.E.M.
Controlled Evaporator
and Mixer
W-300B
Doc. no.: 9.17.082B Date: 14-03-2017
ATTENTION
Please read this instruction manual carefully before installing and operating the instrument.
Not following the guidelines could result in personal injury and/or damage to the equipment.

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  • Page 1 Instruction manual C.E.M. Controlled Evaporator and Mixer W-300B Doc. no.: 9.17.082B Date: 14-03-2017 ATTENTION Please read this instruction manual carefully before installing and operating the instrument. Not following the guidelines could result in personal injury and/or damage to the equipment.
  • Page 2 However, if the product has been returned collect to Bronkhorst HIGH-TECH B.V., these costs are added to the repair invoice. Import and/or export charges, foreign shipping methods/carriers are paid for by the customer.
  • Page 3 (Note that selected parts should be purchased only through ® Bronkhorst to maintain accuracy and functionality of the product.) If you are unsure about the applicability of a ® replacement component, call a Bronkhorst office for information. 9.17.042 page 3...
  • Page 4 ® BRONKHORST Short-Form Operation Instruction Before installing your CEM system it is important to check: * flow rate * fluids to be controlled/evaporated * up- and downstream pressures * output signals * heater temperature Watch the red-coloured stickers and make sure the test pressures are in agreement with normal safety factors for your application.

  • Page 5: Table Of Contents

    Readout and Control unit ........page 15 4.2.1 Recommended graphical diagram heater system ..............page 15 Cables EMC and cables .......................... page 16 Appendices ® Recommendations for handling the Bronkhorst DLI (CEM) System A. Vacuum system B. Non Vacuum system Enclosures 9.17.042 page 5...

  • Page 6: Introduction

    BRONKHORST 1 Introduction 1.1 General ® The Bronkhorst series CEM system is a unique system to realise Mass Flow Control of vapour & mixtures, containing up to 1200 g/h vapour. A complete system is a combination of a mixing valve, a heating device, a liquid meter with control function and a mass flow controller for the carrier gas.

  • Page 7: Installation

    Note: If the instruments have been used with toxic or dangerous gases the customer should pre-clean the instrument. Important: Clearly note, on top of the package, the customer clearance number of BRONKHORST HIGH-TECH B.V., namely: NL801989978B01 2.3 Service If this equipment is not properly serviced, serious personal injury and/or damage to the equipment could be ®...

  • Page 8: In-Line Filter

    ® BRONKHORST 2.6 In-line filter Although fluids and piping should be absolutely free from dirt, it is recommended to install inline filters upstream of the flowmeter(s). 2.7 Fluid connections The liquid meter should be installed according to its manual. The outlet of this meter should be connected to the liquid input port of the CEM valve.

  • Page 9: Electrical Specifications

    ® BRONKHORST 2.9 Electrical specifications 2.9.1 Functional diagram 2.9.2 Electrical specifications Heater The heater consists of two heater elements with a resistance of approx. 19,25 ± 0.5 Ohm each. For 110…120Vac-power supply: two heater elements switched parallel. For 220…240Vac-power supply: two heater elements switched serial.

  • Page 10: Supply Pressure

    ® BRONKHORST 2.11 Supply pressure Do not apply pressure until electrical connections are made. When applying pressure to the system, take care to avoid pressure shocks in the system, and increase pressure gradually. Be sure that all setpoints are at zero when doing so.

  • Page 11: Operation

    3 Operation 3.1 General ® The Bronkhorst CEM system is designed in such a way that it will meet user process requirements. In order to achieve good results, it should be operated according to the guidelines stated in the following paragraphs.
  • Page 12 ® BRONKHORST ⋅ ⋅ [mbar] the moleRatio: 1013 − so in a gas flow of 2 ln/min, the saturated water flow (50% r.h.) is: Φ ⋅ Φ ⋅ [ln/min] water and in [g/h] ⋅ ⋅ [g/h] [ 4 . At 50% r.h., the waterflow is 29.41 g/h.

  • Page 13: Readout And Control Unit

    ® BRONKHORST 4 Readout and Control unit ® The use of standard readout unit, manufactured by Bronkhorst is recommended. 4.1 Application with Bronkhorst standard Readout and Control unit ® 4.1.1 General ® The Bronkhorst Readout and Control unit with temperature control unit offers the ability to power the CEM and to set the desired temperature for the heater system of the CEM.

  • Page 14: Application With None Bronkhorst ® Standard Readout And Control Unit

    In the drawing below the recommended electrical diagram of a heater controlled system is shown. For proper connection, please consult the appropriate hook-up diagrams. CAUTION !! ® When using the CEM system without the Bronkhorst Readout and Control unit the following guidelines should be followed: •...

  • Page 15: Cables

    For sensors and valves follow the guidelines as explained in the appropriate manuals. Warning: the “CEM power” connector is a mains power inlet. Use standard Bronkhorst® cables 7.03.583 for connecting the CEM W-300B to the Readout unit or ® 7.03.584 for connecting the CEM W-300B to a non-Bronkhorst control unit.
  • Page 16 APPENDIX 1 Recommendations for handling ® the Bronkhorst DLI (CEM) system Vacuum system Non Vacuum system...
  • Page 17 ® BRONKHORST...
  • Page 18 Startup using Vacuum Inertgassupply Vacuum Vacuum Carrier Processgas Liquid Heatedline Liquid Valve Process Vacuum A) To fill the system: Procedure: Actions: A1) Evacuate the lines “Vacuum” Start pumps A2) Evacuate all lines Close: 2,3,5,10 and 9. Connect inert gas on carrier gas inlet. Open : 1,4,7,11.
  • Page 19 ® BRONKHORST B) To start the process: Procedure: Actions: B1)Set the CEM heater at right temperature. Give setpoint to the heater, wait until temperature is reached. B2) Start gas flow. Open 9. Give setpoint to gas MFC. B3) Start liquid flow.
  • Page 20 Startup without using Vacuum Inertgassupply Vacuum Carrier Processgas Liquid Heatedline Liquid Valve Process Vacuum A) To fill the system: Procedure: Actions: A1)Purge all lines Close: 3, 5 and 10. Connect inert gas on carrier gas inlet. Open : 2, 4, 7, 9 and 11. Give setpoint to gas controller, the control valve 8 opens.
  • Page 21 ® BRONKHORST B) To start the process: Procedure: Actions: B1) Set the CEM heater at right temperature. Give setpoint to the heater, wait until the temperature is stabilized. B2) Start gas flow. Give setpoint to gas MFC. B3) Start liquid flow.
  • Page 22 APPENDIX 2 Enclosures (if applicable) Declaration on contamination Dimensional drawings Hook-up diagram...

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