Vaisala Optimus OPT100 User manual

M211857EN-R
Installation Guide
Vaisala Optimus™DGA Monitor for
power transformers
OPT100

PUBLISHED BY
Vaisala Oyj
Vanha Nurmijärventie 21, FI‑01670 Vantaa, Finland
P.O. Box 26, FI‑00421 Helsinki, Finland
[phone]
www.vaisala.com
docs.vaisala.com
© Vaisala 2022
No part of this document may be
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written permission of the copyright holder.
Translated documents and translated
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based on the original English versions. In
ambiguous cases, the English versions are
applicable, not the translations.
The contents of this document are subject
to change without prior notice.
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they shall take precedence over the
information contained in this document.
Vaisala makes no representations on this
document’s compliance with the local
rules and regulations applicable at any
given time, and hereby disclaims any and
all responsibilities related thereto.
This document does not create any legally
binding obligations for Vaisala towards
customers or end users. All legally binding
obligations and agreements are included
exclusively in the applicable supply
contract or the General Conditions of Sale
and General Conditions of Service of
Vaisala.
This product contains software developed
by Vaisala or third parties. Use of the
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the General License Conditions of Vaisala
Group.
This product may contain open source
software (OSS) components. In the event
this product contains OSS components,
then such OSS is governed by the terms
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of the OSS in this product. Applicable OSS
licenses are included in the product itself
or provided to you on any other applicable
media, depending on each individual
product and the product items delivered
to you.

Table of contents
1. About this document.....................................................................................7
1.1 Version information.......................................................................................... 7
1.2 Related manuals................................................................................................7
1.3 Documentation conventions........................................................................... 8
1.4 Trademarks........................................................................................................ 8
2. Planning the installation.............................................................................10
2.1 Installation safety............................................................................................10
2.2 Installation phases............................................................................................11
2.3 Required personnel.......................................................................................... 11
2.4 Required materials.......................................................................................... 12
2.5 Recommended tools....................................................................................... 13
2.6 Storing and transporting DGA monitor........................................................14
2.7 Reinstalling DGA monitor...............................................................................14
2.8 Installation site requirements........................................................................ 14
2.8.1 Installation location of DGA monitor..................................................... 15
2.8.2 Installation weather..................................................................................15
2.8.3 Recommended locations of oil connections.........................................15
2.8.4 Network security...................................................................................... 18
2.9 Regulatory compliances................................................................................. 18
2.9.1 FCC Part 15 compliance statement........................................................ 18
2.9.2 Canada ICES-003 compliance statement............................................. 19
3. Mechanical installation...............................................................................20
3.1 Unpacking DGA monitor............................................................................... 20
3.2 Mounting with Ground Mounting Set.......................................................... 20
3.2.1 Parts with Ground Mounting Set........................................................... 23
3.2.2 Dimensions with Ground Mounting Set................................................25
3.3 Mounting with Wall Mounting Set................................................................26
3.3.1 Parts with Wall Mounting Set................................................................ 28
3.3.2 Dimensions with Wall Mounting Set.....................................................30
3.4 Installing oil lines............................................................................................ 32
3.4.1 Installing oil lines with flexible hoses....................................................35
3.5 Attaching power supply unit.........................................................................37
3.6 Attaching weather shield...............................................................................37
4. Electrical installation...................................................................................39
4.1 OPT100 cable glands and connectors......................................................... 39
4.2 OPTPSU cable glands and connectors........................................................40
4.3 Interior parts.................................................................................................... 41
4.4 Grounding DGA monitor............................................................................... 42
4.5 Connecting OPTPSU power to DGA monitor............................................. 43
4.6 Connecting relay control to power supply unit..........................................46
4.7 Connecting RS-485 serial line...................................................................... 49
4.7.1 RS-485 termination and biasing.............................................................51
4.8 Connecting Ethernet...................................................................................... 52
Table of contents
3

4.9 Connecting relays...........................................................................................54
4.10 Connecting auxiliary communication devices............................................ 57
4.11 Connecting mains power...............................................................................59
4.12 Verifying tightness of cable glands..............................................................63
5. Commissioning.............................................................................................. 65
5.1 Turning on DGA monitor............................................................................... 65
5.2 Connecting to user interface.........................................................................65
5.3 Changing administrator password...............................................................66
5.4 Configuring network connection..................................................................67
5.5 Configuring user interface security..............................................................68
5.6 Setting device name...................................................................................... 70
5.7 Setting date and time.................................................................................... 70
5.8 Initializing DGA monitor................................................................................ 72
5.9 Configuring autocalibration.......................................................................... 75
5.10 Configuring Modbus protocol.......................................................................76
5.11 Configuring DNP3 protocol........................................................................... 77
5.12 Configuring IEC 61850 protocol....................................................................78
5.13 Using protocol test mode..............................................................................79
5.14 Configuring gas level alerts.......................................................................... 80
5.15 Configuring unit settings...............................................................................82
5.16 Configuring relays.......................................................................................... 83
5.17 Starting measurement................................................................................... 83
5.18 Finalizing installation..................................................................................... 84
6. Installation report.........................................................................................85
6.1 Site and device information.......................................................................... 85
6.2 DGA monitor configuration report...............................................................87
6.3 Post-installation checklist............................................................................. 89
Index....................................................................................................................91
Maintenance and calibration services........................................................ 93
Technical support............................................................................................ 93
Warranty............................................................................................................93
Recycling........................................................................................................... 93
OPT100 Installation Guide M211857EN-R
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List of figures
Figure 1 Possible locations of oil connections......................................................... 17
Figure 2 Assembly of the mounting stand................................................................21
Figure 3 Anchoring holes on the mounting stand..................................................22
Figure 4 OPT100 front parts with Ground Mounting Set......................................23
Figure 5 OPT100 rear parts with Ground Mounting Set....................................... 24
Figure 6 OPT100 dimensions with Ground Mounting Set....................................25
Figure 7 OPT100 front parts with Wall Mounting Set........................................... 28
Figure 8 OPT100 rear parts with Wall Mounting Set............................................. 29
Figure 9 OPT100 dimensions with Wall Mounting Set..........................................30
Figure 10 Mounting dimensions of installation beams.............................................31
Figure 11 Pipe or hose connection fitting order.......................................................34
Figure 12 Cable glands and connectors on OPT100 cabinet.................................39
Figure 13 Cable glands and connectors on OPTPSU power supply unit...........40
Figure 14 Inside DGA monitor cabinet......................................................................... 41
Figure 15 Inside Power Supply Unit cabinet (OPTPSU1 and OPTPSU2)............ 42
Figure 16 Terminal block Y3 wiring.............................................................................. 44
Figure 17 Terminal block X5 wiring.............................................................................. 46
Figure 18 Terminal block Y2 wiring.............................................................................. 47
Figure 19 Terminal block X4 wiring..............................................................................48
Figure 20 Terminal block Y1 wiring example..............................................................50
Figure 21 Location of the RS-485 repeater inside the DGA monitor cabinet....51
Figure 22 Location of DIP switches on the RS-485 repeater..................................51
Figure 23 RJ45 connector inside the protection shell.............................................53
Figure 24 Alternative Ethernet connection................................................................ 54
Figure 25 Terminal block X3 example wiring for normally open
(NO) connection............................................................................................. 56
Figure 26 Terminal block Y5 wiring example.............................................................59
Figure 27 Terminal block X1 wiring for OPTPSU1 (AC)............................................ 62
Figure 28 Terminal block X1 wiring for OPTPSU2 (DC)...........................................63
Figure 29 Changing administrator password.............................................................66
Figure 30 IP address settings page...............................................................................67
Figure 31 Network security settings page..................................................................68
Figure 32 General settings page................................................................................... 70
Figure 33 Date and time settings page........................................................................ 71
Figure 34 Autocalibration page..................................................................................... 75
Figure 35 Modbus settings page................................................................................... 76
Figure 36 DNP3 settings page........................................................................................77
Figure 37 IEC 61850 settings page................................................................................78
Figure 38 Protocol test mode enabled........................................................................ 79
Figure 39 Alert limits settings page............................................................................. 80
Figure 40 Unit settings page.......................................................................................... 82
Figure 41 Relay settings page........................................................................................83
List of figures
5

List of tables
Table 1 Document versions (English)............................................................................ 7
Table 2 Related manuals................................................................................................... 8
Table 3 Terminal block Y3 wiring................................................................................. 44
Table 4 Terminal block X5 wiring................................................................................. 46
Table 5 Terminal block Y2 wiring..................................................................................47
Table 6 Terminal block X4 wiring................................................................................. 48
Table 7 Terminal block Y1 wiring.................................................................................. 50
Table 8 DIP switch configuration of RS-485 output................................................52
Table 9 Terminal block X3 wiring..................................................................................56
Table 10 Terminal block X1 wiring...................................................................................62
Table 11 Terminal block X1 wiring...................................................................................63
Table 12 Wiring....................................................................................................................87
Table 13 Configuration...................................................................................................... 88
Table 14 Post-installation checklist................................................................................89
OPT100 Installation Guide M211857EN-R
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1. About this document
1.1 Version information
This document provides installation instructions for Vaisala Optimus™DGA Monitor OPT100.
Table 1 Document versions (English)
Document code Date Description
M211857EN-R October 2022 Applicable from software version 1.17.0 onwards.
Added sections:
•Connecting auxiliary communication devices
(page 57)
Updated sections:
•Connecting mains power (page 59)
•OPTPSU cable glands and connectors (page 40)
•Interior parts (page 41)
M211857EN-P June 2022 Applicable from software version 1.16.0 onwards.
Added sections:
•Installing oil lines with flexible hoses (page 35)
Updated sections:
•Required materials (page 12)
•OPTPSU cable glands and connectors (page 40)
•Interior parts (page 41)
•Connecting OPTPSU power to DGA monitor
(page 43)
•Connecting mains power (page 59)
•Connecting Ethernet (page 52)
M211857EN-M November 2021 Applicable from software version 1.15.0 onwards.
Added sections:
•Installation weather (page 15)
Updated sections:
•Installing oil lines (page 32)
•Connecting relays (page 54)
1.2 Related manuals
For the latest versions of these documents, see docs.vaisala.com.
Chapter 1 – About this document
7

Table 2 Related manuals
Document code Name
M211858EN OPT100 User Guide
M212595EN Spare part instruction: Replacing MHT411 internal multigas transmitter
M212759EN Spare part instruction: Replacing OPT100 solenoid valves
1.3 Documentation conventions
Warning alerts you to a serious hazard. If you do not read and
follow instructions carefully at this point, there is a risk of injury or even death.
WARNING!
Caution warns you of a potential hazard. If you do not read and
follow instructions carefully at this point, the product could be damaged or
important data could be lost.
CAUTION!
Note highlights important information on using the product.
Tip gives information for using the product more eciently.
Lists tools needed to perform the task.
Indicates that you need to take some notes during the task.
1.4 Trademarks
Vaisalaâis a registered trademark of Vaisala Oyj.
OPTIMUS™is a trademark of Vaisala Oyj.
OPT100 Installation Guide M211857EN-R
8

Modbusâis a registered trademark of Schneider Automation Inc.
Chrome™is a trademark of Google Inc.
Firefoxâis a registered trademark of Mozilla Foundation.
Microsoftâand Edgeâare either registered trademarks or trademarks of Microsoft
Corporation in the United States and/or other countries.
All other product or company names that may be mentioned in this publication are trade
names, trademarks, or registered trademarks of their respective owners.
Chapter 1 – About this document
9

2. Planning the installation
2.1 Installation safety
Read the product documentation carefully before installing or
operating the product. If you encounter the following marking during
installation or operation, consult product documentation to find out the nature
of the potential hazards and any actions which have to be taken to avoid them:
WARNING!
Only licensed experts may install electrical components. They
must adhere to local and state legislation and regulations.
WARNING!
Make sure that you prepare and connect only de-energized wires.WARNING!
Keep away from live circuits. Operating personnel must observe
safety regulations at all times.
WARNING!
Ground the DGA monitor cabinets as instructed in the wiring
instructions. Verify the grounding before and after performing maintenance on
the unit.
WARNING!
Do not modify the DGA monitor or use it in ways not described in
the documentation. Modifications may lead to safety hazards, equipment
damage, failure to perform according to specification, or decreased equipment
lifetime.
CAUTION!
OPT100 Installation Guide M211857EN-R
10

Surfaces inside DGA monitor that are marked with the symbol
below heat up during normal operation. Avoid touching hot surfaces and wear
protective gloves when working inside the cabinet. Whenever possible, allow
the DGA monitor to cool down before starting the work.
CAUTION!
Wear protective eyewear and gloves.
Follow the safety regulations of the installation site.
The safety of any system incorporating this equipment is the responsibility of the
assembler.
2.2 Installation phases
Perform the installation of the DGA monitor in the following phases:
• Planning
• Mechanical installation
• Electrical installation
• Commissioning
• Installation reporting
These phases correspond to chapters of the Installation Guide. Post-installation checklist is
included as part of the installation report template.
More information
‣Post-installation checklist (page 89)
2.3 Required personnel
Installation of the DGA monitor requires two persons. While most of the installation and
commissioning tasks can be done by a single person, safe carrying and lifting of the DGA
monitor requires two persons.
Installers must have the necessary training to legally perform all required tasks. For example,
connecting the DGA monitor to mains power must be done by a licensed electrician.
Chapter 2 – Planning the installation
11

Applicable legislation and site safety guidelines may require additional personnel
to be present in the installation.
2.4 Required materials
In addition to the items delivered by Vaisala, installation of the DGA monitor
requires various materials that you must supply yourself.
Items delivered by Vaisala
• DGA Monitor (Vaisala item OPT100)
• DGA Monitor cabinet
• Swagelokâplugs for oil connector fittings (2 pcs, Swagelok part no. SS-10M0-P (316
Stainless Steel Plug for 10‑mm Swagelok Tube Fitting))
• Protection shell for RJ45 Ethernet connector
• Relay control cable (marked RELAY, Vaisala cable CBL210539)
• Cabinet key
• Power Supply Unit (Vaisala item OPTPSU1 or OPTPSU2)
• Power Supply Unit cabinet
• Instrument power cable (Vaisala cable CBL210544)
• Cabinet key
Optional items (must have either Wall Mounting Set or Ground Mounting Set):
• Wall Mounting Set (Vaisala item OPTMSET1)
• Installation beam (2 pcs)
• Cradle for Power Supply Unit
• Screws and washers
• Ground Mounting Set (Vaisala item OPTMSET2)
• Mounting stand (delivered in three parts)
• Wedge anchors (6 pcs) for securing the mounting stand to ground
• Screws, washers, and nuts
• Weather Shield (Vaisala item OPTSHLD1)
• Weather shield (delivered in three parts)
• Screws and washers
• Tubing adapter, 10‑mm to 3/8" (2 pcs, Vaisala item ASM213275SP)
• Tubing adapter, 10‑mm to 1/4" (2 pcs, Vaisala item ASM213274SP)
DGA monitor installation and commissioning
Not supplied by Vaisala.
• Grounding cable with 4 … 16‑mm2(12 … 5 AWG) conductor. Enough to reach from the
DGA monitor and the power supply unit to the grounding point(s).
• Mains power cable with 2.5‑mm2(14 AWG) conductor and 9 ... 16‑mm (0.35 … 0.63 in)
external diameter. Must be compliant with local regulations for mains power cables.
OPT100 Installation Guide M211857EN-R
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• Relay cable with 0.14 … 4‑mm2(26 … 12 AWG) conductors and 7 … 12‑mm (0.28 ... 0.47 in)
external diameter for connecting external devices to the relays. Verify that the required
current carrying capacity matches the specification of the cable.
• RS-485 cable
• Shielded outdoor Ethernet cable with a RJ45 connector for the permanent Ethernet
connection
• Laptop computer with:
• RJ45 Ethernet connector
• Web browser (Google Chrome, Microsoft Edge, or Mozilla Firefox)
• Ethernet cable with RJ45 connectors for temporary use
Oil pipe construction
Not supplied by Vaisala.
The amount of required oil pipe construction materials depends on the intended pipe length.
Two pipes are needed, one for intake and one for returning the oil. Using the recommended
pipe material, the maximum allowed length of a single pipe is 10 m (33 ft). If you are using a
smaller pipe (minimum inner diameter 4 mm (0.157 in)), the maximum length is 5 m (16 ft).
• Recommended oil pipe material: stainless steel tubing with 10‑mm (0.39‑in) outer
diameter and 1 … 1.5‑mm (0.039 … 0.059 in) wall thickness. Enough to connect the oil
intake and return valves to the DGA monitor.
• Adapters for connecting the oil pipes to the valves on the transformer
• Adapters for connecting the oil pipes to the DGA monitor, if not using the recommended
tubing size (10‑mm (0.39‑in) outer diameter). Optional accessories for connecting 3/8"
and 1/4" outer diameter tubing are available from Vaisala.
• Pipe fittings for joining pipe sections
• Pipe supports
• Oil pipe insulation (if necessary due to cold climate)
• Oil absorption material for controlling possible leaks
• Rags for wiping o oil
Mounting using Wall Mounting Set
Not supplied by Vaisala.
• M8 anchors or bolts (suitable for wall material)
Other
Not supplied by Vaisala.
• Personal safety equipment as required by installation site and applicable legislation
2.5 Recommended tools
Hand tools
• Slotted and crosshead screwdrivers
Chapter 2 – Planning the installation
13

• Wrenches of various sizes
• Socket wrench and socket set
• Allen keys
• Cutting tools
• Cable stripping tool
• Metal file
• Measuring tape
• Impact drill and bits
• Spirit level
• Multimeter
Tools for oil pipe construction
• Pipe bending tool
• Pipe cutting tool
• Pipe deburring tool
• Pressurized air, either a bottle or a compressor
• Container for waste oil with at least 5 liter (1.3 gallon) capacity
2.6 Storing and transporting DGA monitor
Keep the DGA monitor and any installation accessories in their original packaging during
storage and transport. Keep the items dry and in conditions allowed by the storage
specification. Follow any handling instructions marked on the outside of the packaging.
After installation, store the packaging in a dry place. You can reuse it for storage and transport
later.
2.7 Reinstalling DGA monitor
If you want to relocate an already installed DGA monitor, you must prepare it for transport and
reinstallation by following the uninstallation procedure.
See OPT100 User Guide (M211858EN) for details.
2.8 Installation site requirements
DGA monitor can be installed and successfully operated in a wide variety of environments.
Note the following special considerations:
•Cold environments: Trace heating elements and thermal insulation may need to be placed
over the exposed sections of the oil pipes. Required heating power and insulation
thickness depends on the pour point of the transformer oil that is used. Temperature of
the oil in the lines must exceed the pour point with a reasonable margin in order to keep
the oil flowing normally during operation.
•Hot environments: Weather shield installation option will reduce the solar radiation load
on the DGA monitor. Consider placing the DGA monitor in a location that is not exposed
to direct sunlight.
OPT100 Installation Guide M211857EN-R
14

•Operating altitude: DGA monitor is intended for use in altitude range -1000 … 3000 m.
If you have any questions, contact Vaisala for more information.
Performing a site inspection in person is a good idea. Take photographs of the
intended installation location, oil connections, and electrical connections. Measure
the amount of cable and oil pipe needed.
2.8.1 Installation location of DGA monitor
DGA monitor can be attached to the transformer chassis or to its immediate vicinity. The
location must fulfill the following requirements:
• The location must be close to the oil connections to minimize the length of the oil lines.
The maximum length of the lines is 10 m (33 ft) each.
• The location must be safely accessible from the floor without the need to climb or reach.
• There must be enough room and suitable supporting structures to install the DGA monitor
in a vertical orientation. The DGA monitor must not be tilted more than 5 degrees.
• If the Ground Mounting Set is used, there must be a level concrete surface that is at least
100 mm thick.
If you have many suitable locations, prefer the following:
• Locations that are protected from rain and solar radiation.
• Locations where the vibration and heat from the transformer are not directly conducted
to the DGA monitor.
2.8.2 Installation weather
If the installation site is outdoors and not protected from the eects of weather, make sure you
can keep the equipment clean and dry during installation and service activities:
• Avoid working on the DGA monitor in rain or any kind of storm, and in temperatures
below −20 °C (−4 °F).
• Keep equipment o the ground, especially if the ground is wet.
• Cover any tools and parts that are not being used. It is especially important to keep the
oil pipes and oil connectors clean and dry.
• Keep the cabinet doors closed when not working inside the cabinets. This is important for
keeping the inside of the DGA monitor clean and the measurement environment stable.
2.8.3 Recommended locations of oil connections
DGA monitor needs to pump oil out of the transformer and return it after each measurement
cycle. It is important that the oil is clean and from a representative location in the transformer,
and the same oil volume is not measured repeatedly.
The oil volume needed for a single measurement cycle is slightly more than one liter. To make
it possible to pump a new sample and return the measured oil without mixing them up, you
must build two oil lines between the DGA monitor and the transformer. Consider the following
when selecting the locations of the oil connections in the transformer and preparing for the
installation:
Chapter 2 – Planning the installation
15

• The recommended arrangement is to use two valves in dierent locations on the
transformer. This improves oil circulation inside the transformer and prevents the returned
oil from immediately mixing with the next sample.
• Use the same valve for oil intake that has been previously used to take oil samples. This
makes the measurements results of the DGA monitor more comparable with previous
laboratory analysis results. After the oil lines are connected, you will not be able to take oil
samples from the valves. Consider adding a new sampling valve to the intake oil line if you
need to continue taking oil samples.
• Check if the transformer circulates its oil by forced convection. Oil flow inside the
transformer makes the sampled oil more representative of the overall oil volume. It is also
useful if you have to use two valves that are close together, as it carries the returned oil
away from the valve.
• It is possible to use a T-joint to connect both lines to a single valve but the T-joint must be
close to the transformer − no farther than one meter (3 ft) from the valve. If a T-joint is
used, the transformer should be of a type that circulates its oil.
• Check the type of connection thread on the valves, and make sure you have appropriate
adapters for connecting the oil lines to the valves.
• The maximum allowed length of an oil line is 10 m (33 ft).
Some typically available locations of oil connections are presented in Figure 1 (page 17).
OPT100 Installation Guide M211857EN-R
16

1
2
3
45
Figure 1 Possible locations of oil connections
1Oil reservoir. Do not use.
2Side of the oil tank, top level. Suitable location for oil connection if the valve is under oil
level at all times.
3Side of the oil tank, high enough from the bottom to enable proper oil movement. Suitable
location for oil connection.
4Radiator and its pipes. Suitable location if there is guaranteed continuous oil flow in the
radiator. Not recommended if there is no forced circulation or circulation is not continuous.
5Drain valve of the oil tank. Not recommended due to risk of sludge and free water.
Measurement from the bottom of the tank is also not representative for moisture
measurement.
Operate the selected valves and make sure the oil is clean with no
sludge or free water present.
CAUTION!
DGA monitor needs to pump oil in both directions during initialization and
maintenance. To make sure this is possible, check that:
• Intake and return valves are both below oil level in the transformer. There
should be no risk of drawing gas into the oil lines even when the flow is
reversed.
• There are no flow direction control valves on the oil lines.
More information
‣Installing oil lines with flexible hoses (page 35)
Chapter 2 – Planning the installation
17

2.8.4 Network security
DGA monitor is intended to be connected to a secure SCADA network that is appropriately
protected against security threats. Do not connect the DGA monitor directly to the Internet.
The second Ethernet port of the DGA monitor (marked ETH1) is for temporary local use only.
2.9 Regulatory compliances
OPT100 Optimus DGA monitor is in conformity with the provisions of the following EU
directives:
• EMC Directive
• Low Voltage Directive
OPT100 is specifically designed to be installed as part of another type of equipment that is
excluded from the RoHS directive (2011/65/EU) scope.
The conformity is declared with using the following standards:
• EN 61326-1: Electrical equipment for measurement, control, and laboratory use – EMC
requirements – intended for use in industrial locations.
• EN 55032: Information technology equipment – Radio disturbance characteristics – Limits
and methods of measurement.
• EN 61010-1: Safety requirements for electrical equipment for measurement, control and
laboratory use – Part 1: General requirements.
2.9.1 FCC Part 15 compliance statement
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to correct the interference
at his own expense.
Changes or modifications to this equipment not expressly approved
by the party responsible for compliance could void the user's authority to
operate the equipment.
CAUTION!
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
OPT100 Installation Guide M211857EN-R
18

2.9.2 Canada ICES-003 compliance statement
This Class A digital apparatus complies with Canadian ICES‑003.
Cet appareil numerique de la classe A est conforme a la norme NMB‑003 du Canada.
Chapter 2 – Planning the installation
19

3. Mechanical installation
3.1 Unpacking DGA monitor
• Wire cutters
Two persons are required to lift the DGA monitor out of the packaging.
1. Cut the packing straps and remove the cover.
2. Remove the top padding from the box.
3. Lift the DGA monitor out of the box and set it down on a stable surface so that the door
side is on top.
The cable glands and oil connections of the DGA monitor are
located on the bottom of the cabinet. When unpacking and moving the
DGA monitor, avoid putting the bottom of the DGA monitor on the ground.
Putting the weight of the unit on the cable glands and oil connections may
damage them. Keep the oil connections clean to ensure tight connections
and to prevent dirt from getting into the oil circulation.
CAUTION!
3.2 Mounting with Ground Mounting Set
• Ground Mounting Set (Vaisala item OPTMSET2)
• Mounting stand (delivered in three parts)
• Wedge anchors (6 pcs) for securing the mounting stand to ground
• Screws, washers, and nuts
• 6-mm Allen key
• 13-mm wrench
• Impact drill and bits
Use the Ground Mounting Set when a free standing installation of the DGA monitor is needed.
The mounting surface must allow the use of wedge anchors to secure the mounting stand. A
concrete surface that is at least 100 mm thick is recommended.
OPT100 Installation Guide M211857EN-R
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