Conviron GEN2000 User manual

GEN2000
OPERATOR MANUAL
293430-ENG
R01

GEN2000
OPERATOR MANUAL
Please read these instructions carefully
and completely before operating the
chamber.
Conviron Document Number 293430-ENG, R01
Published by:
CONVIRON 590 Berry Street
Winnipeg, Manitoba
Canada, R3H 0R9
www.conviron.com
June 15, 2020
Printed in Canada
©2020 Controlled Environments Limited
Conviron is a registered trademark of Controlled Environments Limited. All other trademarks are the property of their
respective owners. Information subject to change without written notice.

June 15, 2020 | 293430-ENG | R01 i
PREFACE
Welcome to the GEN2000 Operator Manual. This manual describes the features and use of
Conviron’s GEN2000 chamber and is written in a straightforward and minimally technical style.
This manual is designed to provide sufficient detail for the different kit configurations, including a
structured format that provides step-by-step instructions. Clients will find sufficient detail for a
typical installation including figures, diagrams, and graphics to operate the chamber without
issue. However, given that many installations are specific to each facility and that facilities may
have unique requirements, additional information or assistance from Conviron may be required.
This equipment is only to be used by authorized personnel - that is, personnel who have been
trained in the proper use of the equipment and who have read this manual.
Functional Description/Intended Use
This chamber is designed to provide a controlled environment for plant production and scientific
experiments including, but not limited to, plant science, biotechnology, and entomology.

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WEEE Compliance
CONVIRON is committed to meeting all requirements of the WEEE directive (2012/19/EU).
Please contact Conviron, or your Conviron distributor for proper handling and disposal
instructions.
RoHS Compliance
Conviron meets the requirements of the RoHS directive (2011/65/EU) and it’s amendments. The
RoHS directive sets limits for the inclusion of hazardous chemicals.
Document Conventions
Conviron maintains a policy of continual improvement and reserves the right to change the
product without prior notice. Therefore, the images used throughout this manual may differ
slightly from the actual configuration due to updates and product changes.
•Wherever possible, textual descriptions are accompanied by photographs or line
drawings of the chambers to assist the reader in understanding the material.
•Frequent reference is made to left and right sides throughout this manual. Left is
considered to be the left-hand side while facing the equipment.
•Indented bold and italicized text is used to introduce instructions.
•Italicized text is used to identify additional reference manuals.
•Red circles or colored highlights are used to highlight important assembly or
disassembly details, or to show important small parts in an otherwise large assembly.
The “NOTE” symbol is used to draw attention to additional information which may
assist in the operation of the equipment.

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SERVICE & TECHNICAL SUPPORT
Before contacting Conviron, please check the following:
•Read this document and the accompanying controller manual in their entirety before
attempting to operate the chamber.
•If you are having a problem using your cabinet(s), pay particular attention to the
relevant section and the pertinent information in this manual, and use the information
to diagnose and correct the problem.
•If the problem persists and/or you require additional assistance, please collect the
following information prior to contacting Conviron:
•The serial number of the cabinet, located on the rating plate on the left side of
the chamber.
•The software version of the control system. Instructions for obtaining the
software version of your control system are provided in the control system
operator manual.
•A description of the problem.
•A description of what you were doing before the problem occurred.
Head Office
Technical Services
Conviron
590 Berry St.
Winnipeg, Manitoba,
Canada R3H 0R9
Conviron Technical Services
Please visit www.conviron.com for global service contact information.

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TABLE OF CONTENTS
1PRECAUTIONS......................................................................................................................................1
1.1 Hazard Identification Symbols.......................................................................................................1
1.1.1 General Precautions......................................................................................................2
2CHAMBER FEATURES.........................................................................................................................5
2.1 Chamber Configurations................................................................................................................5
2.2 Control System..............................................................................................................................5
2.3 Ventilation......................................................................................................................................5
2.4 Instrumentation Ports ....................................................................................................................5
2.5 Levelers.........................................................................................................................................6
2.6 Central Alarm Contact...................................................................................................................6
2.7 Central Management System (Optional).......................................................................................6
2.8 CMP-Link (Optional)......................................................................................................................6
2.9 Hardware Options..........................................................................................................................7
3INSTALLATION .....................................................................................................................................9
3.1 Chamber Temperature Range ......................................................................................................9
3.1.1Chamber Clearance.......................................................................................................9
3.1.2 Power Supply.................................................................................................................9
3.1.3 Water Supply ...............................................................................................................10
3.1.4 Condensate Drain........................................................................................................10
3.2 Removing the Chamber from the Shipping Pallet.......................................................................10
3.3 Moving the Chamber Into Final Position .....................................................................................12
3.4 Levelling the Chamber.................................................................................................................12
3.5 Configuration Kit Overview..........................................................................................................13
3.5.1 Airflow ..........................................................................................................................13
3.6 SH Configuration .........................................................................................................................14
3.7 TA Configuration..........................................................................................................................15
3.7.1 Unifloor®......................................................................................................................15
3.8 TC Configuration .........................................................................................................................16
3.9 IN Configuration...........................................................................................................................16
3.10 Lamp Canopies and Wire Shelves..............................................................................................17
3.11 Installing the Lamp Canopies and Wire Shelves.........................................................................18
3.11.1 Installing Lamp Canopies ............................................................................................18
3.11.2 Installing Wire Shelves ................................................................................................20

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3.12 Removing the Lamp Canopies, Shelves, and the Unifloor..........................................................21
3.12.1 Removing a Lamp Canopy and Lamp Canopy Supports............................................21
3.12.2 Removing a Wire Shelf and Wire shelf Clip.................................................................21
3.12.3 Removing an Air Shelf.................................................................................................21
3.12.4 Removing an Air Shelf Bracket....................................................................................21
3.12.5 Removing the Unifloor .................................................................................................21
3.13 Replacing the Back-Wall Plenum................................................................................................22
3.14 Connecting the Communication, Central Alarm Contact , and Condensate Pump ....................25
3.15 Connecting the Chamber to the Electrical Mains........................................................................25
4START UP............................................................................................................................................27
4.1 Start Up Procedure......................................................................................................................27
4.2 Visual Checks..............................................................................................................................28
5OPERATION ........................................................................................................................................29
5.1 Control and Monitoring................................................................................................................29
5.2 Fluorescent and LED Lighting.....................................................................................................29
5.3 Lighting Options...........................................................................................................................30
5.3.1 LED Lighting ................................................................................................................30
5.3.2 Fluorescent Lighting –Optional...................................................................................30
5.3.3 Open and Closed Loop Dimmable Lighting System....................................................30
5.4 Aspirator ......................................................................................................................................31
5.5 Instrumentation Port....................................................................................................................31
5.6 Fresh Air Inlet and Exhaust Ports................................................................................................32
5.7 Fan Speed Control ......................................................................................................................32
5.8 Plant Placement ..........................................................................................................................32
5.9 Bypass Dehumidification –BDH Option......................................................................................33
5.10 Additive Carbon Dioxide Control –CO2Option...........................................................................33
5.10.1 Setting up the Additive CO2Control ............................................................................33
5.10.2 Adjusting the CO2Control............................................................................................34
5.1 Central Management System –CMS Option..............................................................................34
5.2 Shutdown.....................................................................................................................................35
6CLEANING AND MAINTENANCE ......................................................................................................37
6.1 Disconnecting the Mains Power..................................................................................................38
6.1.1 Disconnecting the Optional UPS Backup Power.........................................................38
6.2 Cleaning the Chamber.................................................................................................................39
6.3 Replacing Lamps.........................................................................................................................39

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6.4 Calibrating the Temperature and Humidity Sensor.....................................................................40
6.5 Maintaining the Ultrasonic Humidity System (USH)....................................................................41
6.6 Calibrating the Temperature and Humidity Sensor.....................................................................43
6.7 Adjusting the Door.......................................................................................................................44
6.8 Cleaning the Condensate Pump and Condensate Pan ..............................................................44
6.9 Cleaning the Condensate Pump and Condensate Pan in TA Configuration ..............................44
6.10 Cleaning the Fresh Air Filter........................................................................................................45
6.11 Performing Maintenance Inside the Machine Compartment.......................................................45
7TROUBLESHOOTING.........................................................................................................................47
7.1 Troubleshooting the Chamber.....................................................................................................47
7.2 Fuse Schedule.............................................................................................................................49
8TECHNICAL SPECIFICATIONS..........................................................................................................51
9ADDITIONAL INFORMATION.............................................................................................................53
9.1 Terms & Definitions.....................................................................................................................53
9.2 Product Updates..........................................................................................................................54

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LIST OF FIGURES
Figure 3-1 Metal Shipping Bracket.....................................................................................................11
Figure 3-2 Fork Placement.................................................................................................................11
Figure 3-3 Chamber Levelers.............................................................................................................12
Figure 3-4 Chamber Airflow................................................................................................................13
Figure 3-5 SH Configuration...............................................................................................................14
Figure 3-6 X-TIER Option for the SH Configuration...........................................................................14
Figure 3-7 TA Configuration ...............................................................................................................15
Figure 3-8 Unifloor..............................................................................................................................15
Figure 3-9 TC Configuration...............................................................................................................16
Figure 3-10 IN Configuration ................................................................................................................16
Figure 3-11 Canopy Supports and Connections..................................................................................17
Figure 3-12 Wire Shelf Supports..........................................................................................................17
Figure 3-13 GEN2000 Shelf Spacing...................................................................................................18
Figure 3-14 Install the Canopy Support Brackets.................................................................................19
Figure 3-15 Install the Canopies...........................................................................................................19
Figure 3-16 Control Connection ...........................................................................................................19
Figure 3-17 Power Connection.............................................................................................................19
Figure 3-18 Install the Shelf Clips.........................................................................................................20
Figure 3-19 Shelf Installed onto Clip ....................................................................................................20
Figure 3-20 Remove All Canopies & Shelves ......................................................................................22
Figure 3-21 Remove All Plenum Screws..............................................................................................22
Figure 3-22 Remove The Plenum ........................................................................................................23
Figure 3-23 Replacement Plenum Installation Order...........................................................................23
Figure 3-24 Back Panel Connections...................................................................................................25
Figure 5-1 Aspirator............................................................................................................................31
Figure 5-2 Instrumentation Port Location...........................................................................................31
Figure 5-3 Fresh Air Inlet and Exhaust Port Location ........................................................................32
Figure 5-4 Optional CO2Connection Location...................................................................................34
Figure 6-1 Disconnecting UPS Battery Backup Power ......................................................................38
Figure 6-2 LED Tube Orientation .......................................................................................................40
Figure 6-3 GEN2000 USH Tank Access Panels................................................................................41
Figure 6-4 Remove the USH Box from the Chamber Sequence .......................................................42
Figure 6-5 USH Interior Details ..........................................................................................................42
Figure 6-6 Ceramic Disc Replacement ..............................................................................................43
Figure 6-7 Removeable Floor Plate ...................................................................................................44
Figure 6-8 Machine Compartment Access Panel Screws..................................................................45
Figure 7-1 UPS Controller Location ...................................................................................................48
Figure 7-2 BATT.FAIL Indicator..........................................................................................................48
Figure 8-1 Sample GEN2000 Rating Plates.......................................................................................52

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LIST OF TABLES
Table 1-1 Hazard Identification Symbols ............................................................................................1
Table 3-1 Water Supply Parameters.................................................................................................10
Table 3-2 Back Panel Connection Descriptions................................................................................25
Table 9-1 Terms and Definitions.......................................................................................................53

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1 PRECAUTIONS
The equipment is intended to be installed, operated, maintained, and only serviced by trained
personnel, according to the instructions and precautions described in the manuals provided by
Conviron.
The following precautions are intended to help guide users in the safe operation of Conviron
chambers.
1.1 Hazard Identification Symbols
Table 1-1 Hazard Identification Symbols
Symbol
Description
The ″HAZARD WARNING″symbol is used whenever a general hazard exists
which could cause personal injury or potential equipment damage, and requires
correct procedures/practices for prevention.
The ″IMPORTANT INFORMATION″symbol is used to identify operating
procedures which must be followed to ensure smooth and efficient equipment
operation.
The ″ELECTRICAL SHOCK/ELECTROCUTION″symbol is used to identify a
source of potentially dangerous electrical current.
The ″BURN HAZARD/HOT SURFACE″symbol is used to identify surfaces which
are hot enough to cause personal injury.
The ″SLIP HAZARD″ symbol is used to identify a potential hazard of falling from
elevated surfaces.
The ″PROTECTIVE EARTH-GROUND″symbol is used to identify the protective
earth connection.
The ″OPTICAL RADIATION″symbol is used to identify areas where exposure to
ultraviolet (UV) and infrared radiation may be possible.
The ″DISCONNECT MAINS POWER″symbol is used remind service personnel
to disconnect the power at the mains panel before servicing this equipment.

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Symbol
Description
The ″DO NOT DISCONNECT UNDER LOAD″ symbol is used to remind the user
to shut off the power to the receptacle before removing the plug.
The ″READ THE OPERATOR MANUAL″label is intended to remind the
user to have a thorough understanding of the equipment BEFORE use.
1.1.1 General Precautions
These precautions should be read and understood before proceeding with installation,
operation, and maintenance.
Conduct a visual inspection of the equipment and surrounding area by walking
around the unit to ensure no debris or obstacles are present that could pose a
safety hazard before operating the chamber.
Operate your Conviron equipment for a minimum of five days before introducing
any research material to ensure proper and stable operation.
Avoid direct contact with any broken fluorescent lamps. Fluorescent lamps are
extremely fragile and may emit harmful vapors when broken.
Follow all applicable local environmental regulations and guidelines for disposal of
hazardous material. If in doubt, contact local authorities for proper disposal
procedures.
Warning: Electricity hazard
Serious personal injury or death could result from contact with live electrical
circuits.
Tool accessible areas are for qualified service people only.
Disconnect power before accessing.
Warning: Read and understand the product manuals before moving,
installing, operating, or servicing this equipment.
Failure to follow these instructions could result in equipment
damage, serious personal injury, or death.
The manual contains safety information that must be understood
and followed before working with the product.

Precautions
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Warning: Hot surface hazards
Personal injury could result from contacting hot surfaces within the chamber.
The user accessible fluorescent lamps, the inaccessible refrigeration system
components, and the inaccessible heater element become hot during normal
operation. Do not touch.
Warning: Slip and fall hazard
Personal injury could result.
Clean up any spilled or accumulated water immediate. Contact maintenance
personnel if the problem recurs.
Warning: Optical radiation hazard
Personal injury could result from unprotected exposure. The lighting system in this
product produces potentially dangerous ultraviolet and infrared radiation in close
proximity.
Always wear protective clothing such as gloves and long sleeve shirts when
working within the chamber.
Always wear protective glasses when working within the chamber that are CSA
Z94.3-07 or ANSI Z87.1-2010 compliant and block 99.9% of UVA/UVB/UVC rays.
Do not look directly at the lights even while wearing protective glasses.
Warning: Electrical shock hazard
Serious personal injury or equipment damage could result from contacting live
electrical circuits.
An arc flash risk assessment should be performed to determine the voltage, shock
boundaries and PPE requirements to protect workers from electrical hazards.
Water splash hazard
Splashed water in contact with live electrical components could result in serious
personal injury or serious equipment damage.
Do not allow water or liquids to contact any electrical components.
If water comes into contact with electrical components, disconnect power
immediately at the mains and have the chamber inspected by Service personnel
before putting the chamber back into use.

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2 CHAMBER FEATURES
The 55.2 ft3(1526L) GEN2000 adaptable chamber provides 33.8 ft2(3.14m2) of shelf space.
The GEN2000 chamber ships in one piece, requiring minimal assembly and easy installation in
most research labs.
2.1 Chamber Configurations
The base GEN2000 chamber can be fitted with any of the following specially configured LED
kits. Each kit is also available with an fluorescent lighting option;
•The Short Plant (SH) kit is a two-tier configuration using horizontal airflow over multiple
shelves optimizing the growth area for shorter plants, like Arabidopsis. Ideal for research
in propagation, genetics, physiology, and other moderate light experiments.
•The Tall Plant (TA) kit is a single-tier configuration providing upward airflow, maximum
growth height, and light intensity for taller plants such as cereal crops, horticultural
plants, and silviculture.
•The Tissue Culture (TC) kit is a four-tier configuration using low light to maximize space.
It also provides upward airflow minimizing condensation in petri dishes and jars used in
propagation and genetics experiments.
•The Incubator (IN) kit is a four-tier configuration using low light levels optimizing the
incubation of plantlets and insects.
2.2 Control System
The control system provides advanced programming capabilities, allowing ramping or stepping
of environmental conditions to match research requirements. User programmable ″set and
forget″alarms track the chamber’s operation relative to user-defined setpoints. Visual and
audible notifications provide a further level of protection. For remote monitoring and control, the
chamber comes ready to communicate with Conviron’s Central Management™.
Refer to the included Conviron CMP6060 Operator’s Manual for complete instructions.
2.3 Ventilation
Air inside the chamber is exchanged through manually adjustable fresh-air intake and exhaust
ports. Exhaust air flows to ambient with no additional connection required.
2.4 Instrumentation Ports
One 2″(50mm) access port with a light-tight cap is provided on the right side of the chamber.
The port allows small instruments and monitor leads to be inserted into the chamber without
opening the front door, and without significantly changing the environment within the chamber.

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2.5 Levelers
The unit is supplied with leveling feet to stabilize the chamber and take the weight of the
chamber off of the casters.
2.6 Central Alarm Contact
The Central Alarm Contact (CAC) (Figure 3-24) consists of a normally closed dry contact
energized by a control system alarm output that is connected to a Building Management System
(BMS) or an optional auto dialer. When an alarm condition occurs, the normally closed contact
opens, interrupting the circuit from the BMS (or other system) to indicate an alarm. The CAC is
only triggered by shut-down alarms.
The connection point to the BMS is the plug and receptacle on the back panel of the chamber
(Figure 3-24). This plug (and receptacle supplied) is connected to a relay that operates upon
chamber alarms. The wire connections of the receptacle must be done in accordance to the
electrical drawings. The electrical load must be within the rating of the technical specifications.
The receptacle is mated with the plug and then screwed tightly together.
2.7 Central Management System (Optional)
For use in conjunction with the 6000 series controllers, the Conviron Central Management™
(CM) system provides a comprehensive suite of time-saving, value-added features for remote
control and monitoring of chambers, such as:
•A ″dashboard″view displaying the status of all chambers with remote access/control
of all chambers from anywhere with Internet access.
•Enhanced protection by alerting designated personnel when an alarm is triggered.
•Risk management through auto backup and restore, including system protection,
disaster recovery, and file restoration.
•Data collection, storage and management capabilities, and multi-chamber account
management.
Refer to the Conviron Central Management Operator’s Manual for complete instructions.
2.8 CMP-Link (Optional)
The CMP-LINK feature enables Argus Titan 900 full interaction with any Conviron chamber or
room that is equipped with CMP6060 control system. With CMP-LINK enabled, features of Titan
900 such as scheduling and programming, table views for data, comprehensive graphing, real-
time status (including alarms, sensors and IOs), retrieval and exporting of chamber data, time
synchronization, and a remote interface are available for the chamber.

Chamber Features
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2.9 Hardware Options
Factory installed options available with the GEN2000 include:
•RJ45 connection port and network card - provides connectivity to the facility network.
•Additive Humidity –adds moisture to the chamber above the ambient level.
•CO2Additive –increases the chamber CO2level above ambient.
•CO2 Monitoring –indicates the CO2level without controls or limits.
•Dehumidification –removes excess humidity from the chamber.
•Fluorescent Lighting –optional for all configurations.
•Light Sensor –allows for closed -loop control of lighting intensity, measured in
micromoles.
•Low Temperature –available only with the LED lighting option.
•X-TIER –additional canopy and shelf for the SH configuration only. Not available with
the Fluorescent Lighting option.
•Observation Window –allows a clear view inside the chamber without opening the
door through a 34″high by 9.5″wide (650mm by 240mm) window in the door. One
window per door.
•Phenolic Coated Refrigeration Coil
•Uninteruptable Power Supply (UPS) –provides surge protection for the controller
hardware, aspirator and data during power outages, surges and spikes. Battery back-
up time is between 5 to 30 minutes.
•Water Cooled Condensing Unit –used when a facility has a water chiller system, or
when an air-cooled condenser system will add unwanted heat into the room.
Customer installed options available with the GEN2000 include:
•Condensate Drip Pan –collects chamber condensate when direct plumbing to the
floor drain is not available or desirable.
•Condensate Drip Pan and Pump - collects chamber condensate and pumps the
condensate from the condensate drip pan to the floor drain when direct plumbing is
not available or desirable.
•Powder Coated Steel Wire Shelf –non-rusting and easy to clean shelving option.

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3 INSTALLATION
GEN2000 units must be placed in ventilated areas with circulating air flow.
3.1 Chamber Temperature Range
Install the chamber in a dry, well-ventilated area where the ambient temperature is maintained
between 68-95°F (20 - 35°C).
The GEN2000 chambers will dissipate to ambient up to 5050W (17200 BTU/h).
Locate the chamber on a relatively level floor so that adjustments can be made with the leveling
feet to ensure the chamber is level.
3.1.1 Chamber Clearance
•At least 1 ft. (300mm) must be left clear above the chamber.
•At least 4″ (102mm) must be left clear behind the back wall of the chamber.
•At least 4″(102mm) must be left clear on each side of the chamber in order to provide
access to the instrumentation, fresh air, and exhaust ports.
3.1.2 Power Supply
Refer to Section 8 Technical Specifications on page 51 for details of the power configuration.
This unit will tolerate ±10% voltage fluctuation from the rated voltage on the serial plate. Use a
voltage stabilizer if the fluctuation is greater than ±10%.
Ideally, the temperature around the chamber will be 70°F (21°C).
This unit will tolerate ±10% voltage fluctuation from the rated voltage on the serial
plate. A voltage stabilizer must be used if the fluctuation is greater than ±10%.
Failure to do so can result in serious damage to the compressor and electronic
components and will void warranty.
The disconnect switch must be sized by a local qualified electrician.

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3.1.3 Water Supply
Table 3-1 Water Supply Parameters
Parameter
Measurement
Connectivity
1/4″Quick Connect
Flow
0.52 gallons / hour (2 Liter / hour) purified water
Pressure
Max. –115 psi (7.9 bar), Min. –5 psi (0.3 bar)
pH
7.0 ± 0.5
Filtration
< 0.00008 inch (2 microns)
Resistance
0.01 to 0.02 Megaohm-cm (MΩ-cm)
Conductivity
2.0 to 0.2 μS
3.1.4 Condensate Drain
A 1″(25 mm) drain is provided underneath the chamber, located near the back. The drain may
be extended to a nearby floor drain, as required. If connection to a floor drain is not required, an
optional condensate pan and pump may be used to remove collected fluid.
3.2 Removing the Chamber from the Shipping Pallet
The crated GEN2000 chamber weighs approximately 1100 pounds (499 kg) and should be
removed from the shipping pallet with a forklift.
To remove the chamber from the pallet with a fork lift:
1. The crating lumber is attached to the shipping pallet with staples and screws.
Dismantle and remove the crating material from the shipping pallet.
Failure to use a water source with the quality stated in Table 3-1 will void the
product warranty.
Do not leave any nails, staples, or screws protruding from the crating material to
eliminate potential puncture injuries.
Recycle or properly dispose of the crating material and shipping pallet.