Exact solutions V-Lab300E-LT User manual

UVC Air Sanitizer
V-Lab300E-LT
Manual Version 1.2
Date Revision No. Author Checked Description
04.11.2020 1.0 DRD TSN/TNR Version 1.0
12.11.2020 1.1 DRD TSN Changes in Chapter 6 and 8
30.11.2020 1.2 TSN DRD Version 1.2
13.04.2021 1.3 TNR GJN Additions
Contact
Tel.: [phone]
E-Mail: [e-mail]
Web: www.exactsolutions.de

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Table of Content
1. Preamble ................................................................................................................................ 3
2. Safety instructions ................................................................................................................ 4
2.1 Warnings ........................................................................................................................... 4
2.2 Risk Situations ................................................................................................................... 7
3. Scope of delivery ................................................................................................................ 11
4. Spare parts and optional accessories (not included) ....................................................... 11
4.1 UVC Tubes ...................................................................................................................... 11
4.2 Floor Stand with wheels ................................................................................................... 11
4.3 Adapter Bracket 5 Pin ...................................................................................................... 11
4.4 UVC Safe handheld measurement device ....................................................................... 12
5. Description of the product.................................................................................................. 13
5.1 Intended Use ................................................................................................................... 13
5.2 Specifications .................................................................................................................. 13
5.3 Airflow.............................................................................................................................. 13
6. Setup and operation............................................................................................................ 14
6.1 Notes on installation and operation .................................................................................. 14
6.2 Positioning and dimensioning .......................................................................................... 15
6.3 Mechanical setup ............................................................................................................. 16
6.4 Electrical setup ................................................................................................................ 20
6.5 Operation ......................................................................................................................... 22
6.6 Periodic maintenance work .............................................................................................. 22
6.7 Errors, causes, measures ................................................................................................ 23
7. Maintenance ........................................................................................................................ 26
7.1 Replacing UVC tubes ...................................................................................................... 26
7.1.1 Life time of UVC tubes .............................................................................................. 26
7.1.2 Removing old tubes .................................................................................................. 27
7.1.3 Installing new Tubes.................................................................................................. 29
8. Disposal of components ..................................................................................................... 31
8.1 UVC tube ......................................................................................................................... 31
8.2 Electronical components .................................................................................................. 31
8.3 Steel parts and packaging ............................................................................................... 31
8.4. Disposal of entire devices ............................................................................................... 31
9. Mechanical Drawing ............................................................................................................ 32
10. Declaration of conformity ................................................................................................. 33

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1. Preamble
The AIR SANITIZER has been developed and manufactured with the highest care and attention.
However, improper handling can cause a risk for safety and / or damage. Read these
instructions carefully before handling and installing the product so that you can safely enjoy your
device.
Copyright © 2020 EXACT solutions GmbH. All rights reserved.

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2. Safety instructions
2.1 Warnings
This manual must be handed over to the persons who install and operate the product.
Please read the manual and all instructions carefully. If you ignore the safety instructions
in this manual, humans may be seriously injured or there is a possibility of an accident or
death. Installation, handling, service and other similar actions must be carried out by
qualified persons! Qualified persons, hereinafter referred to as “qualified persons”, are
specialists such as electricians and specialist personnel with equivalent or higher
qualifications.
Warning: Electrical hazard, open the housing only when the device is
disconnected from mains power. Electrical work shall only be done by a
fully qualified and trained electrician. Follow the local laws and
regulations.
Warning: UVC radiation, open the housing only when the device is
disconnected from mains power. UVC harms within a very short time
eyes and skin. Never expose without protection to UVC radiation. Wear
safety equipment.
Warning: People who are permanently in the proximity of the device
should keep a distance of 0,5m to it. Measurements based on DIN
EN62471 validate the product to be categorised as Risk Group 1 (Low
Risk Group). Starring at the device from a distance of 20cm or higher for
less than 7 hours is harmless.
Warning: Danger breakage of glass, UVC tubes are made of silica glass
and are fragile. When handling UVC tubes wear safety gloves.
Warning: Installation, operation, initial start-up, maintenance, repair
work, dismantling and disposal, must be carried out only by trained, fully
qualified and/or specialised persons such as electricians.
Warning: Handling only by instructed and authorised person with a
minimum age 18 years and of sound mind.

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Definition of qualified persons:
Trained/Qualified person:
A person can be considered as trained/qualified when it has been informed about the
assigned task and if the possible dangers in the case of improper behaviour and if
necessary has been trained.
Qualified/Specialised person:
A person can be considered qualified or specialised when, based on specialised training,
knowledge and experience, it can assess the work assigned and recognise possible
dangers.
Warning: When the UVC tube is broken or damaged mercury can
vaporise. In this case ventilate the room. Dispose broken glass and other
pieces outside closed rooms in an appropriate way.

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 This product uses UVC light encapsulated in a housing. Direct radiation must be
avoided at all times. UVC light is dangerous for eyes and skin of human or
animals. It can cause serious accidents and burn the skin and cause significant
skin irritation. UVC light can cause serious injuries of the human eye. The UVC unit
of the AIR SANITIZER series is built into a housing with special light traps to
prevent the escape of UVC radiation. Do not use the product when it is damaged
so that UVC light could be emitted. Do not open the housing when the mains
power is connected.
 Make sure to connect the power cable to the grounded current and connect PE
(Protection Earth). Otherwise persons may be electrocuted or injured.
 Use the rated voltage only. The product can be damaged or persons may be
electrocuted or injured.
 Be careful not to step or place heavy objects on the power cord. Be careful not to
damage the power cord with sharp objects, by bending, stretching, cutting or
similar. Damaged power cords may cause a fire or electric shock.
 Never disassemble, repair or modify the Air Sanitizer product or any accessory.
This may cause serious accidents or death. Contact your vendor if you are in the
need of support.
 Prior to every installation, check all mounting threads as well as the complete
housing for any kind of defect and ensure correct function. If a damage or
defective function is detected do not keep using the product and contact your
vendor for service.
 Keep away from heat sources like heaters. Electrical shock, fire, malfunction or
deformation may occur.
 Keep the packing anti-moisture material or vinyl packing out of the reach of
children. This material is harmful if swallowed. Vinyl packing can cause
suffocation.
 If smoke can be smelled/detected or if you hear a strange sound or anything else
that is uncommon, disconnect the device from mains power. For example, by
unplugging the power cord, using the main switch on the device or using a
corresponding wall switch. Contact your vendor. If usage is continued, electrical
shock or fire can occur.
 Do not drop an object or apply strong forces to the product. It can cause injury to
humans and damage the product.
 Do not use the product outdoors. This product is made only for indoor usage.
Using it outdoor can cause serious accidents and property damage.
 Set up the Air Sanitizer in an open area so that air intake and outlet are free to
ensure a safe and good functionality. Do not place it on cushions or carpets. If
ventilation is not working correctly the product might be damaged and the
effectiveness reduced.
 Do not expose the Air Sanitizer to water or moisture to prevent any damage and
danger.
 If water or any foreign substance goes inside the product, disconnect the mains
power immediately and contact your vendor. Otherwise, this may cause a fire or
electric shock due to damage to the product.
 If you install the product in a place that does not meet the recommended
conditions, this may cause injuries to humans and cause serious damage to the
product’s quality, life cycle, and appearance. This caution applies to places where
there is an abundance of fine dust or oil mist, chemical substances are used, the
temperature is very high or low or the humidity is very high. This kind of
conditions will invalidate the warranty.

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2.2 Risk Situations
Risk of injury due to the possibility of falling objects during the assembly or disassembly
of the Air Sanitizer product.
 Protection objective: avoid injury from falling parts.
 Wear appropriate safety shoes, gloves and helmet.
 Make sure the area under the product is clear during installation and no persons are
present.
Risk of hitting the head with the Air Sanitizer product during set up or dismantle process.
 Protection objective: avoid injury from hitting the head.
 Wear a helmet
Incorrect installation may lead to certain parts of the Air Sanitizer product or the entire Air
Sanitizer product to fall down.
 Protection objective: prevent personal injury and property damage.
 Double check the Air Sanitizer and its installation.
Insufficient load capacity of the supporting structure may lead to certain parts of Air
Sanitizer product or the entire Air Sanitizer product to fall down.
 Protection objective: prevent personal injury and property damage.
 Provide adequate dimensioning of the supporting structure. The supporting structure
must be able to support the combined weight of all the equipment attached to, or hung
from it.
 Ensure correct installation of the supporting structure.
Only use correct mounting material to attach the Air Sanitizer product to the supporting
structure (wall, ceiling, truss etc). Otherwise parts or the whole system may fall down.
 Protection objective: prevent personal injury or property damage.
 Only use correct mounting material such as screws, screw anchor etc depending on the
given circumstances.
The fingers or the hand of the user can be caught between mounting bracket of V-
Lab300E-LT and the housing during installation, maintenance or service work
 Protection objective: prevent personal injury.
 When the product is mounted on to the mounting bracket be careful to avoid personal
injury. Wear safety gloves.
Risk of product damage when touching the UVC tube or the reflector material with bare
hands.
 Protection objective: prevent product damage.
 The UVC tube and the reflector material shall not be touched with bare hands as
moisture or oil on the hands can damage the product or reduce its performance.
 Wear clean and proper safety gloves
Risk of injuries by broken glass. The housing of the UVC tube is made of glass. If the
glass breaks, the persons who are doing service work may cut themselves with parts of a
broken UVC tube.
 Protection objective: prevent personal injury from broken glass.
 Be careful while handling the UVC tubes as they are fragile and always wear safety
gloves.
Risk of injuries by touching a hot surface. The glass and the ceramic housing of the UVC
tube gets hot during operation. When doing service work the UVC tubes might still be hot
although the system is turned off and disconnected from the power supply.
 Protection objective: prevent personal injury from touching hot surfaces
 Prior touching an UVC tube wait for it to cool down and wear safety gloves.

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Risk of injuries by UVC light.
 Protection objective: Prevent personal injuries by UVC light.
 UVC light is harmful for eyes and skin of humans or animals. It can cause serious
accidents, burn the human skin and cause significant skin irritation. UVC light can cause
serious injuries to the human eye.
 When opening the housing of the Air Sanitizer while it is operating, the UVC light will be
exposed and leave the housing. This endangers all surrounding persons. The housing
shall only be opened when the device is turned off and disconnected from mains power.
Risk of injuries by UVC light.
 Protection objective: Prevent personal injuries by UVC light.
 UVC light is harmful for eyes and skin of humans or animals. It can cause serious
accidents and burn the human skin and cause significant skin irritation. UVC light can
cause serious injuries of the human eye.
 During operation a certain amount of UVC light is emitted out of the housing. Only
persons are endangered that are very close to the housing and that are staring at the
device for several hours in the area of Air inlet and outlet.
 The product fulfils the requirement of DIN EN 62471, Risk Group 1. The corresponding
test report can be provided on request.
Risk of injuries by UVC light.
 Protection objective: Prevent personal injuries by UVC light.
 UVC light is harmful for eyes and skin of humans or animals. It can cause serious
accidents and burn the human or animal skin and cause significant skin irritation. UVC
light can cause serious injury.
 When the housing of the Air Sanitizer is damaged and still being operated the UVC light
might be exposed and leave the housing. This endangers all surrounding persons. If the
housing is damaged the product shall no longer be operated. Qualified persons should
disconnect the device from power supply and contact the service partner. Persons
approaching the faulty device should wear appropriate personal safety equipment such
as face shield, clothes, gloves etc.
Risk of injuries by UVC light.
 Protection objective: Prevent personal injuries by UVC light.
 UVC light is harmful for eyes and skin of humans or animals. It can cause serious
accidents and burn the human skin and cause significant skin irritation. UVC light can
cause serious injury.
 The mounting bracket must always be mounted when the device is turned on, it
additionally protects against the UVC light rest radiation that escapes out of the housing.
Risk of injuries by breathing in mercury vapour.
 Protection objective: Prevent personal injuries by mercury vapour.
 If an UVC tube is broken, the encapsulated mercury will be exposed to the air. Breathing
in mercury vapour is dangerous for the human body as mercury is toxic. This endangers
all surrounding persons.
 If an UVC tube is broken, the room should be ventilated immediately and everyone
should leave it until the broken glass and other parts have been properly disposed of
outside of closed rooms and the room has been adequately ventilated.
Risk of injury or death by electrical shock.
 Protection objective: Prevent personal injuries or death.
 If the housing of the device is opened, persons who work on the device can touch parts
that can cause an electrical shock.
 Always disconnect power supply before working on the device or opening the housing.
The power switch on the unit must be turned off. Working on the device and opening the
housing should only be done by fully qualified persons. Follow local laws and regulations.

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Risk of injury or death by electrical shock.
 Protection objective: Prevent personal injuries or death.
 If the housing of the device is damaged, deformed etc. there is an increased risk that the
inside is also damaged. Persons who touch the housing might get an electrical shock.
This endangers all persons who might touch a damaged product.
 When there is any damage, disconnect power supply of the device by qualified persons.
Contact vendor / service partner.
Risk of injury or death by electrical shock.
 Protection objective: Prevent personal injuries or death.
 Electrical failure might cause electrical power to be situated on the metal housing.
Persons who touch the housing might get an electrical shock. This endangers all persons
who might touch the affected product.
 All electrical conducting parts are electrically connected and grounded to protection earth
contact by design of the product. Electrical devices should be tested in regular time
frames depending on local laws and regulations. UVC Air Sanitizers are devices of
protection class 1 and require a protective grounding and may only be connected to
circuits that are protected by a Residual Current Device (RCD).
Risk of injury or death by electrical shock.
 Protection objective: Prevent personal injuries or death.
 When guiding an electrical cable through a hole in the metal housing always use the
cable protection sleeves to protect the cable. Otherwise the cable might get damaged
and electrical power might be situated on the metal housing. Persons who touch the
housing or directly the damaged cable might get electrocuted. This endangers all
persons who might touch the product.
Risk of injury, product damage or incorrect functionality.
 Protection objective: prevent personal injury, product damage and incorrect functionality.
 Using non original spare parts may lead to incorrect functionality, broken devices or injury
of humans. These spare parts could be for example screws or UVC tubes This
endangers persons who are near the product and could be caused by falling objects,
electrical shock etc.
 Avoid incorrect functionality or product damage or injury of persons by only using original
spare parts.
Disposal.
 Protection objective: avoid incorrect disposal and risk for humans and nature.
 Disposing the product needs to be done correctly following local laws and regulations.
Wrong disposal endangers mankind and nature.
Risk of product damage or injury by wrong cleaning procedure.
 Protection objective: prevent personal injury and product damage.
 No water, air pressure, immersion or anything else should be used to clean the UVC Air
Sanitizer. Incorrect cleaning procedure / treatment causes a risk for personal injury and
damage to the device.
 The UVC Air sanitizer product shall only be cleaned with a dry soft cloth.
Risk of product damage or injury by non-intended usage.
 Protection objective: avoid personal injury and product damage.
 The product shall not be used for other than its intended purpose.
Risk of product damage or injury by false transportation
 Protection objective: avoid personal injury and product damage.
 Use only original packaging for transportation.
 Handle the product wherever possible with 2 persons

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 Please notice that the mass centre is not in the middle of the units. Please observe this
while handling.

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3. Scope of delivery
Note: Please check the delivery for completeness and damage immediately after
you receive the shipment. Please contact your vendor in case of missing or
damaged parts.
Item
quantity
Manual 1
V-Lab300E-LT 1
Power cable (3m length) 1
Distance washers 6
4. Spare parts and optional accessories (not included)
4.1 UVC Tubes
The UVC tubes used in the product V-Lab300E-LT can be ordered under the following model
number:
UVC light source, Type UVpro K40-4
4.2 Floor Stand with wheels
Model number: ASZ-FSW-300
The ASZ-FSW-300 floor stand with wheels is made for the use with
the V-Lab300E-LT air sanitizer. The floor stand enables a flexible and
easy positioning of the air sanitizer.
For more information refer to the ASZ-FSW-300 manual.
4.3 Adapter Bracket 5 Pin
Model number: ASZ-AB-5PIN
Adapter bracket for mounting the V-Lab300E-LT to a standard floor stand
with 5 Pin key hole pattern
Figure
1
ASZ
-
FSW
-
300
Figure
2
ASZ
-
AB
-
5PIN mounted to V
-
Lab300E
-
LT

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4.4 UVC Safe handheld measurement device
Model number: ASZ-UVCSafe
UVpro Safe is a measuring instrument to determine a potential
UV-C exposure at the workplace. Based on directive
2006/25/EC, the UVpro Safe measures the current predominant
and biologically weighted UV radiation intensity and determines
the maximum permissible exposure time of the skin and eyes.
Bring the sensor to the source of radiation, the maximum length
of stay advised can be read directly on the display. The
displayed value is based on the assumption that the measured
UV radiation is constant during the entire working day. The
device may be used only for measurements on UVC low
pressure lamps. Don’t use when the source of radiation is
unknown.

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5. Description of the product
5.1 Intended Use
The V-Lab300E-LT is used to reduce germs, viruses, bacteria etc. in the ambient air. The device
directs air through the housing, which is equipped with tubes that emit UVC light. UVC light can
inactivate the DNA or RNA of a life form. This works very efficiently with simple life forms like
viruses and bacteria. The V-Lab300E-LT is designed for use in public areas and may only be
operated within the specifications given in the operating instructions. The V-Lab300E-LT is not
designed for the private use. The efficiency of the germ reduction depends largely on the
installation and positioning. We or our partners would be happy to advise you if you have any
questions.
5.2 Specifications
Parameter
Value
UVpro tubes 2 x 41 W
Total UVC output [W 253,7 nm] 24
Air volume [m³/h] 150 / 300 (switchable)
UVC dose [mJ/cm³] 10,3 / 5,1 (see air volume)
Noise emission [dB(A)] 35 dB(A) (150m³/h), 38 dB(A) (300m³/h)
Mount Bracket for wall and ceiling (included)
Size [mm] 1344 x 384 x 174
Weight [kg] 27
Tube replacement interval [h] 12,000 (75 % +/- 5 % remaining
performance)
Supply voltage 230 V / 50 Hz
Input power [W] 110
Operating temperature [°C] 0 - 35
Operating rel. humidity [%rH] 10 - 75
Operating height over normal height null [m] Max. 1750
Operation area Indoor in closed rooms
5.3 Airflow
Figure 3 Airflow V-Lab300E-LT
Note: Air inlet and outlet must be free and uncovered to ensure a safe and good
functionality.
Air inlet Air outlet

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6. Setup and operation
Warning: Setup, Handling, Service must be done by a qualified person!
Qualified persons are specialists like electricians or persons with similar or
higher qualification.
6.1 Notes on installation and operation
The V-Lab300E-LT was carefully inspected and subjected to a functional check before delivery.
The high-quality packaging is designed to prevent damage in transit. Even with the most careful
handling, damage cannot be completely avoided. Possible transport damage particularly affects
the UVC tubes made of quartz glass. Examine the UVC tubes and lamp sockets before
installation. Check that the cables are not damaged. Check the completeness of the delivery
using the parts list (chapter 3. Scope of delivery).
Attention: The device shall only be installed with an intact cable. Check cables
and connectors before installation
The V-Lab300E-LT weights around 27kg. Any handling of the devices must be
carried out by at least two people. Wear rubberised gloves to safely hold the unit.
Wear safety shoes. Additional people may have to be included in the installation
process.
The installation location must be chosen so that people present are not permanently closer than
0.5 m to the device.
Attention: People who are permanently in the proximity of the device should
keep a distance of 0.5m to the device. Measurements according to DIN EN62471
classify the device in risk group 1 (low risk group). It is harmless to stare at the
device at a distance of 20cm away for less than 7 hours.
The V-Lab300E-LT as well as the light traps must be checked for intactness before installation
and regularly during operation in order to detect increased emittance of UVC light. The risk from
possible emitting UVC radiation must be checked and documented using an appropriate
measuring device (see chapter 4.4 UVC Safe handheld measurement device).
Attention: Check the V-Lab300E-LT for intactness before assembly and
regularly during operation. The risk from possible UVC radiation must be
checked and documented using an UVC measuring device.

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6.2 Positioning and dimensioning
The correct dimensioning and positioning of the Air Sanitizer V-Lab300E-LT is essential for the
success of the sterilization process. Your advisor / vendor will be happy to assist you.
Depending on the intended use, the air delivery rate can be varied between 300 m³/h and 150
m³/h using a selector switch (see Chapter 6.3 Mechanical setup). The volume as well as the
UVC dose and thus a reduction rate change accordingly.
300m³/h 5,1 mJ/cm²
150m³/h 10,3 mJ/cm²
The V-Lab300E-LT Air Sanitizer has to be installed in such a way that the air outlet points
towards the main part of the room. For multiple Air Sanitizers these should be uniformly
distributed in the room. Inlets and outlets should always be free of obstacles within a radius of at
least 1m to ensure good function.
Attention: Correct and efficient positioning needs to be considered and
evaluated in each individual case.
During installation, it should be ensured that the Air Sanitizers are easily accessible later (e.g.
with aids such as a ladder) and can be cleaned. Furthermore, the accessibility of the on / off
switch and the selector switch should be considered when choosing the installation location. If
the on / off switch cannot be reached, it is advisable to switch the device using an alternative
option (e.g. a classic wall switch).

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6.3 Mechanical setup
The V-Lab300E-LT is designed to be installed by using the included bracket.
WARNING: the bracket must be mounted when the device is turned on, it
additionally protects against the UVC light rest radiation that escapes out of the
housing.
WARNING: If the orientation of the bracket in vertical position on a wall is not
correct, serious accidents can occur. The arrow on the mounting bracket must
point upwards when mounted on a wall in vertical orientation.
WARNING: If the ceiling or wall are not stable and/or the fastening material is
insufficient, the device can fall down. Always have two people handling the
device when installing on the ceiling.
1. Orientation
The device can be mounted on the wall or on the ceiling. For vertical mounting on a wall,
the arrow on the mounting bracket must point upwards. See Figure 4, red circle.
Figure 4 Vertical wall installation orientation

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2. Removing the mounting bracket
Unscrew the bracket from the device be removing the 2 pcs. M4x8 lens head screw
(Figure 5) and slide the bracket into the indicated direction. There are four bolts that will
slide out of the corresponding notch. Make sure the 4 bolts slide out the notches gently
(Figure 6).
Figure 5 V-Lab300E-LT with bracket and marked screws
Figure 6 V-Lab300E-LT with removed bracket
notch
and
bolt

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3. Mounting holes
Overall there are six mounting holes in the mounting bracket. All six must be used to fix the
bracket to the wall or ceiling. See Figure 7, red circles.
Figure 7 Mounting holes
4. Mounting to the wall or ceiling with or without distance washers
In case you want to guide the power cable between bracket and wall, mount the six distance
washers together with the bracket to the wall or ceiling by placing them between the bracket
and the supporting structure. If you do not wish to guide the power cable between bracket
and supporting structure, mount it without the washers.
5. If necessary, e.g. for a customised power connection, the two covers can be removed
(Figure 8). Use an adequate tool (like an angle grinder) to cut the small connection points
(red marks in Figure 8) to remove the covers. Afterwards the cutting edges must be
deburred and an adequate edge protection must be applied.
Figure 8 Covers and Connection points
WARNING: Make sure to use correct mounting material to fix the mounting
bracket to a wall or ceiling. Also make sure the supporting structure (wall,
ceiling) is capable of carrying the overall weight
Use following mounting material:
Anchor bolt: Fischer Duo power 6x30
Screw: ASSY 4 RCS mounting screw, steel, galvanised, full thread, rounded head, 5x50mm
Covers
Connection points

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Figure 9 Exploded view of V-Lab300-LT and bracket
6. Hang the device on the bracket, make sure the 4 bolts slide into the notches of the mounting
bracket (Figure 9)
7. Secure the device with the two M4x8 lens head screws (Figure 5)
8. Make sure that the four M4x8 lens head screws, that are in the notches, are securely
tightened.
Mounting bracket
Holes to mount bracket to
wall/ceiling
notch
and
bolt

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6.4 Electrical setup
WARNING: Electrical work shall only be done by a fully qualified and trained
electrician. Follow the local laws and regulations.
WARNING: Make sure the power cable is disconnected from mains power while
connecting it to the device
WARNING: The bracket must be mounted when the device is turned on, it
additionally protects against the UVC light rest radiation that escapes out of the
housing.
WARNING: This product is a device of protection class 1 and require a
protective grounding and may only be connected to circuits that are protected
by a Residual Current Device (RCD). Therefore, always connect the
corresponding PE (Protection Earth) cable.
WARNING: Always use the wire protection sleeves (Figure 12) when guiding a
cable through the housing to avoid damaging the cable.
1. The power cable has to be connected at the backside of the V-Lab300E-LT.
Figure 10 Backside of V-Lab300-LT without mounting bracket
2. For electrical connection insert the phase conductor (brown), neutral conductor (blue)
and ground conductor (green/yellow) into the connection clamps (Figure 11) See the
assignment in Figure 12. Make sure the cables are connected correctly in the clamp and
that the clamp is secured by closing the latch.