BRONKHORST CEM W101A User manual

Doc. no.: 9.17.126A Date: 02-10-2018
ATTENTION
Pleaseread this Instruction Manual carefully beforeinstalling and operating the instrument.
Not following the guidelines could resultin personal injury and/or damage to the equipment.
Controlled Evaporator and Mixer
(CEM)
Instruction Manual

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer 9.17.126A2
Copyright
© 2018 Bronkhorst High-Tech B.V.
All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means,
without the prior written permission of the publisher.
Disclaimer
This document has been reviewed and is believed to be accurate. Bronkhorst High-Tech B.V. does not assume liability for
errors, inaccuracies or absence of information. The material in this document merely serves information and illustration
purposes; no rights can be derived from its contents.
Bronkhorst High-Tech B.V. reserves the right to modify or improve its products and documentation without informing
anyone. The information contained in this document is subject to change without notice. Device specifications and the
contents of the package may deviate from what is stated in this document.
Symbols
Important information. Disregarding this information could cause injuries to people or damage to the instrument or
installation.
Helpful information. This information will facilitate the use of the instrument and/or contribute to its optimal
performance.
Additional info available on the internet or from your local Bronkhorst representative.
Receipt of equipment
Check the outside package box for damage incurred during shipment. If the box is damaged, then the local carrier must be
notified at once regarding his liability, if so required. At the same time a report should be submitted to your local
Bronkhorst representative.
Carefully remove the equipment from the box. Verify that the contents of the package was not damaged during shipment.
Should the equipment be damaged, then the local carrier must be notified at once regarding his liability, if so required. At
the same time a report should be submitted to your local Bronkhorst representative.
·Check the packing list to ensure that you received all of the items included in the scope of delivery
·Do not discard spare or replacement parts with the packaging material
Refer to Removal and return instructions about return shipment procedures.
Equipment storage
The equipment should be stored in its original package in a cupboard warehouse or similar. Care should be taken not to
subject the equipment to excessive temperatures or humidity.

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer9.17.126A 3
Warranty
Bronkhorst® products are warranted against defects in material and workmanship for a period of three years from the date
of shipment, provided they are used in accordance with the ordering specifications and not subject to abuse or physical
damage. Products that do not operate properly during this period may be repaired or replaced at no charge. Repairs are
normally warranted for one year or the balance of the original warranty, whichever is the longer.
See also section 9 (Guarantee) of the Conditions of sales:
www.bronkhorst.com/about/conditions-of-sales/
The warranty includes all initial and latent defects, random failures, and indeterminable internal causes.
It excludes failures and damage caused by the customer, such as contamination, improper electrical hook-up, physical shock
etc.
Re-conditioning of products primarily returned for warranty service that is partly or wholly judged non-warranty may be
charged for.
Bronkhorst High-Tech B.V. or affiliated company prepays outgoing freight charges when any part of the service is
performed under warranty, unless otherwise agreed upon beforehand, however, if the product has been returned collect to
our factory or service center, these costs are added to the repair invoice. Import and/or export charges, foreign shipping
methods/carriers are paid by the customer.
General safety precautions
This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety
precautions required to avoid possible injury. Read the operating information carefully before using the product.
Before operating, make sure the line cord is connected to a properly grounded power receptacle. Inspect the connecting
cables for cracks or breaks before each use.
The equipment and accessories must be used in accordance with their specifications and operating instructions, otherwise
the safety of the equipment may be impaired.
If required, replace fuses with the same type and rating for continued protection against fire hazard.
Opening the equipment is not allowed. There are no user serviceable parts inside. In case of a defect please return the
equipment to Bronkhorst High-Tech B.V.
One or more warning signs may be present on different parts of the product. These signs have the following meaning:
Consult the instruction manual for handling instructions
Surface may get hot during operation
Shock hazard; electrical parts inside
To maintain protection from electric shock and fire, replacement components must be obtained from Bronkhorst. Standard
fuses, with applicable national safety approvals, may be used if the rating and type are the same. Other components that are
not safety related may be obtained from other suppliers, as long as they are equivalent to the original component. Selected
parts should be obtained only through Bronkhorst, to maintain accuracy and functionality of the product. If you are unsure
about the relevance of a replacement component, contact your local Bronkhorst representative for information.

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer 9.17.126A4

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer9.17.126A 5
Table of contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Introduction 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.1 Scope of this manual
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.2 Intended use
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81.3 Product description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81.4 Product overview
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91.5 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101.6 Model key
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installation 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112.1 Functional properties
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112.2 Mounting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112.3 Electrical connection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122.4 System assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Assembly tips 2.4.1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Basic assembly 2.4.2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Working under vacuum 2.4.3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132.5 Fluid supply
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Carrier gas 2.5.1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Liquid purity 2.5.2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Minimizing gas dissolution 2.5.3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Liquid vessel size 2.5.4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142.6 Media compatibility
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Operation 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153.1 Powering up
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153.2 Required setpoints
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163.3 Starting vapour production
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163.4 Stopping vapour production
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163.5 Bleeding mixing valve
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173.6 Purging
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183.7 Digital parameters
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Maintenance 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Troubleshooting and service 5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205.1 Common issues
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215.2 Service
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Returns 6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226.1 Removal and return instructions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226.2 Disposal (end of lifetime)

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer 9.17.126A6

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer9.17.126A 7
1Introduction
1.1 Scope of this manual
This manual contains general product information, installation and operating instructions and troubleshooting tips for the
Bronkhorst® Controlled Evaporator and Mixer (CEM).
1.2 Intended use
The Bronkhorst® CEM is designed for mass flow control of vapours created from liquid and gas, using the media and
operating conditions (e.g. temperature, pressure) as specified at ordering time.
The equipment is suited for general purpose indoor (dry) applications, like laboratories and machine enclosures.
The end user is considered to be familiar with the necessary safety precautions, and to comply with the appropriate
protective measures as described in the Material Safety Data Sheets of the media to be used in the system (if applicable).
The wetted materials incorporated in the CEM are compatible with media and conditions (e.g. pressure, temperature) as
specified at ordering time. If you are planning to use the product (including any third party components supplied by
Bronkhorst, such as pumps or valves) with other media and/or other conditions, always check the wetted materials
(including seals) for compatibility. See the technical specifications of the product and consult third party documentation (if
applicable) to check the incorporated materials.
Responsibility for the use of the equipment with regard to suitability, intended use, cleaning and corrosion resistance of the
used materials against the applied media lies solely with the end user. Bronkhorst High-Tech B.V. cannot be held liable for
any damage resulting from improper use, use for other than the intended purpose or use with other media and/or under
other conditions than specified on the purchase order.

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer 9.17.126A8
1.3 Product description
The CEM comprises a control valve (also called 'mixing valve'),
a mixing chamber and a heat exchanger (see product
overview), to add a liquid to a carrier gas and transform the
mix into a vapour.
A complete CEM system is a modular setup with the CEM
itself as the core component. To feed it with liquid and gas,
the CEM is complemented with a liquid flow meter with
control function (e.g. a mini CORI-FLOW or LIQUI-FLOW) and a
gas flow controller (e.g. an EL-FLOW Select). The liquid flow
meter uses the mixing valve of the CEM to control the liquid
flow rate.
The gas serves as a mixing component and as a means of
transport for the vapour, and is therefore also referred to as
'carrier gas'. The mixing valve atomizes the liquid and adds it
to the carrier gas, creating an aerosol, which is heated by the
CEM until it transforms into a vapour. To monitor the internal
temperature of the heat exchanger, the CEM incorporates a
PT100 temperature sensor. An internal safety switch prevents
overheating of the heat exchanger, by interrupting the control signal as soon as the temperature reaches 200 °C.
To control the liquid and gas supply flows and the CEM temperature, Bronkhorst offers an E-8000 readout and control unit.
This module contains a temperature controller for the heat exchanger and provides a user interface to operate the
instrumentation. The E-8000 module also serves as a power supply unit and can be optionally equipped with a fieldbus
interface for the CEM.
1.4 Product overview
W-10x / W-20x
W-30x
1. Control valve
2. Mixing chamber
3. Liquid inlet
4. Heat exchanger
5. Bleed connection
6. Control valve actuator connection
7. Gas inlet
8. Power and signal connection
a. Signal
b. Power
9. Vapour outlet

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer9.17.126A 9
1.5 Documentation
The CEM comes with all necessary documentation for basic operation and maintenance. Some parts of this manual refer to
other documents, which can be downloaded from the Bronkhorst website.
In addition to the CEM itself, a complete CEM system comprises other instruments and peripherals, which are not described
in this manual. Consult the according manuals for installation and operation instructions.
The documentation listed in the following table is available on the CEM product pages under
www.bronkhorst.com/products
Type
Document name
Document no.
Brochures
CEM Brochure
9.60.038
Manuals
Instruction Manual Controlled Evaporator and Mixer (this document)
9.17.126
Instruction manual E-8000
9.17.076
Hook-up diagrams
Hook-up diagram CEM W101A-W102A-W202A
9.16.086
Hook-up diagram CEM W303B 120V
9.16.116
Hook-up diagram CEM W303B 230V
9.16.115
Dimensional drawings
Dimensional drawing W-101A
7.05.585
Dimensional drawing W-102A-W202A
7.05.574
Dimensional drawing W-303B 115V-230V
7.05.902
The documentation listed in the following table can be downloaded from www.bronkhorst.com/downloads :
Type
Document
Document no.
General documentation
EU Declaration of Conformity
9.06.058

Bronkhorst®
Instruction Manual Controlled Evaporator and Mixer 9.17.126A10
1.6 Model key
The model key on the serial number label contains information about the technical properties of the instrument as ordered.
The actual properties of your instrument can be retrieved with the diagram below.