Translation of the original instructions (2006/42/EC):
This operating manual contains all important information required for
safe commissioning and use of the device.
It provides you with support for operating the device and remedying possible problems as well as with information on disposal and customer
service.
Please read this manual thoroughly and completely before using the device for the first time.
Please store this operating manual and keep it within reach in order to
consult it if necessary.
Please observe all safety instructions and information on use and maintenance contained in this manual.
This manual should be attached to the device if the latter is made available to other persons for use.
Description of symbols
WARNING SYMBOL. This symbol is followed by hazard warning instructions whose non-compliance
may cause serious injuries and/or death and/or
property damage.
The note is always preceded by a signal word:
Risk: Risk of serious or fatal injury
Warning: Risk of serious permanent injury
Caution: Risk of damage to property
Additional information which might be helpful when
using the device.
Typographical conventions
All text references to figures refer to the figures in the respective chapter.
Position numbers that are not available in the respective chapter may
refer to figures in the chapter "Description of device".
2. Scope of delivery
The scope of delivery of the device includes:
• Dehumidifier
• Connection cable
• Operating manual
Further optional accessory parts can be ordered from the Trotec customer
service.
3. Warranty
The warranty period granted for the dehumidifier is 12months or as otherwise stated in the contract of purchase.
Any damage to the device resulting from non-compliance with the instructions contained in this manual shall be excluded from the warranty.
The manufacturer shall assume no liability for damages to the device
and/or its accessories that are caused by unauthorised modifications.
For any further terms of guarantee, please refer to the General Terms and
Conditions (GTC) available on our website: www.trotec.de.
2
Operating manual – Dehumidifier TTR 200/300
EN
Page 3
4. General safety instructions
Please observe the following safety instructions!
Any non-compliance with these instructions may
have serious consequences for the health of persons and could result in property damage and
damage to the environment.
Risk of explosion!
• Do not operate the device in potentially flammable or explosive environments. Do not install it in such environments, either.
Only devices approved according to directive 94/9/EC (ATEX 95)
may be operated in explosive environments. It is the obligation
of the operator to check the operational capability of the dehumidifier according to directive 1999/92/EC (ATEX 137)!
• Do not place the device on flammable surfaces.
• Remove any inflammable materials and chemicals from the immedi-
ate operating environment.
Functional impairment of and damage to the device!
• Install the device in a stable position on a firm surface.
• Protect the device from adverse weather effects.
• Keep the intake and exhaust openings free.
• Do not cover the device during operation.
• Do not use any chemicals when cleaning the device.
• Never place items on the device or step on it.
Risk of injury and damage to property due to defective
devices!
• Before each use of the device, check its accessories and connection parts for possible damage. Do not use any defective devices or
device parts.
• Do not use the device if you discover any damage to its plug and
cables. Defective power cables represent a serious health threat.
Danger to life through electrical shock!
• Only connect the device to power sources that are in good technical
order. Do not use damaged wall outlets!
• Pull the connection cable out of the wall outlet by pulling it at its plug.
• Do not touch electrical connection cables when your hands are wet!
• Protect electrical connection cables against damage caused by, for
example, animals.
• Do not carry out any changes or repairs on the device!
• Do not expose the device to any liquids.
• Do not let any liquids enter the device. If this does happen neverthe-
less, pull out the power cord and have the device checked and/or
repaired by the Trotec customer service.
• The device may only be opened, cleaned on the inside and repaired
by authorised and appropriately trained personnel.
Risk of injury!
• Do not insert any objects into the intake and exhaust opening of the
device.
• Do not remove any personnel protection devices against accidental
contact.
• Do not reach into the openings of the device.
• Do not leave children or animals unattended near the operating de-
vice!
• Wear a hairnet to prevent long hair from getting into the device.
• Take off any jewellery before operating the device.
• Always wear safety goggles to protect your eyes.
• After decommissioning the device, let it cool down for 5 minutes be-
fore touching it to avoid burns. Wear protective gloves.
5. Proper use
The dehumidifier may exclusively be used to dehumidify atmospheric air.
Any other use is considered as improper use. Any liability for damage
resulting from this is excluded.
Dehumidifiers may not be installed in liquids nor take in any liquids
(e.g. from tanks, tubs or flooded areas, etc.).
Proper use also includes:
• Adherence of all notes contained in the operating manual and
• Fulfilling inspection and maintenance requirements.
Any use other than the above-mentioned uses shall be inadmissible!
6. General information
Dehumidifiers according to the adsorption principle are used for drying applications in process engineering, air conditioning, on construction sites and for dehumidifying manufacturing and storage areas where
products and installations require particularly low air humidity.
Adsorption technology enables lower dew points and, particularly at intake temperatures <0°C or intake dew points <5°C, safe dehumidification that cannot be achieved with condensation dehumidifiers for physical reasons. Additionally, adsorption dehumidifiers are considerably more
economic at these operating temperatures.
Operating manual – Dehumidifier TTR 200/300
3EN
Page 4
Functional principle
1
Adsorption dehumidifiers work with a drying wheel (rotor) consisting of
layers of flat and corrugated fibres with a chemically bound silica gel.
This generates a honeycomb structure with numerous axial air channels
with a large surface and direct connections to the inner pore structure of
the silica gel.
Due to the favourable mechanic and physical properties of the drying wheel, no silica gel is released and can be subject to saturated air
(100%rh), however, not to drips of water. It is not flammable.
The basic design of a dehumidification unit is as follows:
• Fan(s) for air delivery
• At least two different sections for delivery of process air (to be dehu-
midified) and regeneration air (humid exhaust).
• Drying wheel for dehumidification
• Drive unit with gear motor, toothed belt disc and toothed belt
• Heating unit for heating of the regeneration air
During dehumidification, the drying wheel continuously turns at low
speed (3 to 30 rpm, depending on the configuration). This way, process
air and regeneration air are simultaneously applied to the drying wheel
via the sections so that it can permanently absorb and release humidity.
Process air
Air to be dehumidified is taken in by means of a fan. The process air (4)
flows through the dehumidification section (1) of the drying wheel. In this
process, the humidity in the air is removed by means of the sorbent (silica
gel) and bound (adsorption). Due to physical processes, the temperature
of the drying air is increased. In the further process, the dried air (6) is
delivered to the drying air outlet. A small portion of the flow is separated
in the device as regeneration air.
Regeneration air
The heated and dried regeneration air reduces the heating energy demand and supports regeneration of the drying wheel. When flowing
through the heating unit (7), the temperature of the air is increased to
approx. 100 - 120°C (depending on the intake temperature), while its
relative humidity is considerably reduced.
Afterwards, the air that was prepared in this process absorbs the humidity bound in the silica gel (desorption) when passing the regeneration
section (2). Afterwards, the extremely humid regeneration air (8) is delivered outside through the humid air outlet.
7. Description of device
Structure and components
2
3
Fig.: Front side
1 Handle
2 Drying air outlet
3 Device feet
4
5
6
7
8
9
10
11
Fig.: Functional principle
4
Fig.: Rear side
4 Power switch
5 Fan speed controller
6 Connection of external hygrostat
7 Intake cover coarse dust filter
8 Ampere meter
9 Operating hour counter
10 Humid air outlet
11 Connection cable
Operating manual – Dehumidifier TTR 200/300
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Page 5
Optional accessories
For operation of the dehumidifier, the following accessories are available:
• Hose adapter for installation at the intake cover (7)
• Air filter box with tube/hose port for Z line filter G4 to F9
• Drying air diffuser, triple
• Hygrostat with Tuchel plug for connection socket (6)
• Combined meter for operating hours and energy consumption (only
TTR 300)
For the technical data and order conditions, please contact the Trotec
customer service.
8. Set-up and commissioning
Set-up
a) Inside the room to be dehumidified:
The device works with air circulation. The regeneration exhaust air is to
be released outside. This proportion must be balanced by supplying fresh
air into the room.
b) Outside the room to be dehumidified:
The device can be connected in air circulation or through-air operation
mode. In this respect, connection must be established between the drying air and the room to be dehumidified. Also here applies: In air circulation operation, the proportion of regeneration air must be balanced with
fresh air.
Installation
• The pipelines or hoses must be designed for the applied static pressure by the fans. Air hoses are to be laid out in a straight line and
outstretched.
• The regeneration exhaust air line must be laid out with a slight slope
to prevent potential condense water from flowing back into the device or disturbing the air flow. If the air line is to be laid out in a rising direction, a discharge is to be provided for condense water. As a
precautionary measure, the exhaust tube can be insulated.
• To prevent an air short circuit with the humid exhaust air, the humid
air outlet of free-intake devices is to be laid away at a minimum
distance of approx. 1.0m from the device.
Presettings
Ventilation devices are generally equipped with one or several fans with
sufficient dimensions to overcome resistance in potential pipelines or
appliances. In most cases, their speed cannot be adjusted. To set the
required air flow for the respective application, the hydraulic adjustment
is to be carried out by means of throttle valves installed downstream and
upstream of the fan. However, this leads to an unnecessary and often
considerable increase in noise and energy consumption.
This device is equipped with a variable-speed high performance fan to
supply the nominal drying and regeneration air flows at maximum speed
with connected air hoses (each approx. 6m long).
Additionally, the device features a heating unit generating heat by means
of ceramic PTC semiconductor components to heat the regeneration air.
These elements generate and keep a maximum surface temperature of
approx. 240°C. The temperature-dependent resistance, which increases
quickly with decreasing heat distribution under a certain value (Curie
temperature), leads to a self-regulating effect of the heating power consumption, i.e. in case of an increase in air temperature and/or decrease
in air volume, the power consumption decreases (and vice versa). Additionally, destruction of the device by overheating, e.g. due to a lack in
regeneration air, can be excluded.
Due to its design, the device is only equipped with one fan for both flows.
For this reason, the speed adjustment of the fan may not be sufficient.
In this case, additional measures must be taken to fine-tune the flows in
the tube/hose lines.
To achieve minimum humidity outlet at minimum drying air or maxi-mum dehumidification performance at maximum drying air, it is crucial to appropriately adjust the volume of regeneration air. The air volume
must be adjusted until the value defined as optimum heating flow is
displayed at the ampere meter.
For all other applications with low requirements placed on the dehumidification performance and drying air volume, the speed of the fan can be
reduced until the value defined as minimum heating flow is displayed
at the ampere meter. This way, very good dehumidification results can be
achieved at minimum energy consumption.
9. Operation
Switching the device on
The device can be switched on at the power switch (4). The integrated
control indicator will light up.
Switching the device off
The device can be switched off at the power switch (4). The integrated
control indicator will go out.
Remote operation
The device can be switched on at the power switch (4). The integrated
control indicator will light up.
Use the respective Tuchel plug (optional accessory) to connect an external switch or control unit, e.g. hygrostat or timer, to the connection socket. Please strictly follow the information in the attached circuit diagram!
If necessary, all electrical actuators can now be switched on or off by
means of the external switch. The control indicator on the power switch
keeps flashing irrespectively of the switching position and indicates that
the control system is activated.
In hygrostat operation, it may be necessary to provide air circulation at
the humidity detection position. In this case, the fan can be configured for
permanent operation by repositioning a plug at the integrated relay. This
operation may only be performed by a trained electrician. If necessary,
please contact the Trotec customer service.
Air volume adjustment
The fan speed can be adjusted at the speed controller (5). Turn the controller to the right to increase the air volume and to the left to decrease it.
Operating manual – Dehumidifier TTR 200/300
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10. Transport and storage
Transport
Caution!
Damage to device due to vibrations.
Strong vibrations can cause damage to the device.
When transporting the device, protect it from excessive shocks, e.g. by rough handling or dropping.
During transport, always secure the device against
slipping.
Lift and carry the device only by using the provided
means.
Storage
Store the device in a dry place where it is protected from adverse weather
effects.
Choose a storage location that is free of dust.
Always disconnect the device from the mains supply when it is not in use.
Up to 4 devices can be stacked in a space-saving way.
Always secure stacked devices against tipping.
Replacing the filter
The intervals for replacing the filter depend on air contamination and filter
quality. Contaminated filters affect the efficiency of the humidifier. For this
reason, filters should be checked and cleaned or replaced once every week (daily on construction sites) if necessary.
Danger!
Risk of injury at the fan.
Before removing the air filter, the device must be
switched off and secured against accidental activation, particularly if the fan inlet is freely accessible!
2
1
11. Care and maintenance
Care
The housing surface of the device comes with a low-maintenance powder coating. This decreases the adhesion of dirt and enables cleaning
with a damp piece of cloth.
Cleaning of the interior and the integrated components may only be carried out by trained personnel or the Trotec customer service.
Caution!
Damage to the device due to improper cleaning.
The interior of the device must only be cleaned with
a damp cloth or pressurised air. Do not let any liquids
enter the device!
Maintenance
Trotec dehumidifiers are designed for long operating hours with low
maintenance requirements. To ensure safe operation of the device, all integrated components must be checked and cleaned or replaced at least once every 6 months or 4,000 operating hours if necessary.
Caution!
Damage to the device due to improper handling.
Cleaning, maintenance and repair of electric and
mechanical components may only be carried out by
trained personnel or the Trotec customer service.
Fig.: Air filter replacement TTR 200/300
1 Filter cover
2 Filter mat
To remove the filter mat (2), the filter cover (1) must be released by pulling
it with a slight jerk.
By default, all devices are equipped with a reusable filter mat. This mat
can be cleaned by beating or washing it.
Caution!
Damage to the device due to liquids.
Before inserting the air filter, always ensure that it
has dried completely. Otherwise, there is the risk
that the fan takes in liquids and is damaged due to
a short circuit.
12. Dangerous substances
When operating the dehumidifier in rooms that are contaminated by certain chemical substances, the dehumidification unit (rotor) may be damaged permanently. The substances remain in the rotor and may deteriorate the performance of the device by clogging the silica gel pores or lead
to chemical reactions of the gel.
This permanently affects the performance and service life of the dehumidifier.
For this reason, it must be ensured, that the applied dehumidification
agent, i.e. the silica gel, cannot come into contact with dangerous substances.
6
Operating manual – Dehumidifier TTR 200/300
EN
Page 7
The following list includes substances with a proven deteriorating effect
on the dehumidification rotors (silica gel) used in this device. Even small
quantities of these or similar substances must be prevented from coming
into contact with the device.
Inorganic substances
Lithium chloride LiClDeterioration of the performance
Sodium hydroxideNaOHDestruction of the silica gel structure
Potassium hydroxideKOHDestruction of the silica gel structure
Sodium chlorideNaClDeterioration of the performance
Potassium chlorideKClDeterioration of the performance
Calcium chlorideCaCl2Deterioration of the performance
Magnesium chlorideMgCl2Deterioration of the performance
AmmoniaNH3Deterioration of the performance
Hydrofluoric acidHFDestruction of the mech. stability
Aluminium chlorideAlCl3Deterioration of the performance
Sea waterDeterioration of the performance
Steam with high temp.Destruction of the silica gel structure
SoftenerClogging of silica gel pores
Strong acidspH ≤ 2…3 Destruction of the mech. stability
BasespH ≥ 7…8 Destruction of the sorption capacity of
the silica gel
AminesR-NH2Deterioration of the performance
Organic substances
Oil mistClogging of silica gel pores
CyclohexanoneC6H10Deterioration of the performance
Isopropyl alcohol(CH8)2CHOHDeterioration of the performance
o-XyleneC6H4(CH2)2Deterioration of the performance
m-XyleneC6H4(CH2)2Deterioration of the performance
p-XyleneC6H4(CH2)2Deterioration of the performance
PhenolC6H5OHDeterioration of the performance
o-DichlorobenzeneC6H4CL2Deterioration of the performance
Methyl bromideCH3BrDeterioration of the performance
GlycerineC3H8O3Deterioration of the performance
13. Disposal
Dehumidifier
Electronic equipment may not be disposed of in the domestic waste but
must be correctly disposed of in the European Union in accordance with
the EUROPEAN PARLIAMENT directive 2002/96/EC of 27th January 2003
regarding used electrical and electronic equipment. Please dispose of
this device after its final decommissioning according to the applicable
legal regulations.
Packaging
The packaging of the device consists of cardboard/paper and plastic. The
materials must be disposed of in the designated containers according to
local regulations or at a recycling depot.
14. Service and repair
Danger!
Danger to life due to improper repair
Never attempt to carry out modifications or repairs
on the device. Any unauthorised modification may result in serious injuries or even death. Have repairs
carried out by a certified specialist workshop.
Repairs may only be carried out by trained specialists!
Before contacting our customer service in order to solve an existing technical
problem, please try first to rule out errors due to improper use or application.
If you have any further questions regarding function and operation of the
dehumidifier or if you wish to receive further information in the event of
an error or with regard to warrantee aspects, please do not hesitate to
contact us at any time.
Please contact:
Trotec GmbH & Co. KG
Grebbener Straße 7
D-52525 Heinsberg
hereby declares that the dryers described below are in conformity with the EU guidelines stated herein with respect to their conception and
construction, as well as the type of model placed on the market.
Important notice:
Any improper use, installation, servicing etc. or any unauthorised
alterations carried out on the factory-made appliance render this declaration null and void.
Type of model: Desiccant Dehumidifier
Series: TTR series
Applicable regulations:
Applied harmonised
standards:
2006/42/ECMachinery Directive
2004/108/ECEMC Directive
2011/65/ECRoHS
EN 12100:2010
EN 60204-1
EN 60335-1
EN 60335-2-40:2003 + A11:2004 + A12:2005 + A1:2006
EN 55011:2009 + A1:2010
EN 61000-3-2:2006 + A1:2009 + A2:2009
EN 61000-3-3:2008
®
GmbH & Co. KG
Author and authorised party of the technical documentation:
Trotec GmbH & Co. KG · Grebbener Straße 7 · D-52525 Heinsberg
Phone: +49 2452 962-400 · Fax: +49 2452 962-200 · Email: info@trotec.com
Heinsberg, 01 September 2014 Managing director: Detlef von der Lieck
Page 15
Page 16
Trotec GmbH & Co. KG
Grebbener Str. 7
D-52525 Heinsberg
+49 2452 962-400
+49 2452 962-200
info@trotec.com
www.trotec.com
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