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Industrial desiccant dehumidifier TTR 13500
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  4. Desiccant dehumidifiers, stationary
  5. TTR 13500

Industrial desiccant dehumidifier TTR 13500

Desiccant dehumidifier with extensive equipment and a colossal dehumidification performance of 74 kg/h

Industrial desiccant dehumidifier TTR 13500
Industrial desiccant dehumidifier TTR 13500
Industrial desiccant dehumidifier TTR 13500

Maximum dry air flow rate even with a low dew point

With about 1,790 kilogrammes of dehumidification performance per day and a nominal air volume of 13,300 cubic metres of dry air per hour at a static pressure of 400 Pa the TTR 13500 is optimally prepared even for a high dry air demand in cold surroundings and with low dew points.

Best prerequisites e.g. for permanent dry keeping, gas dehumidification or the production of dry air in the chemical, pharmaceutical and food industry as well as in the sector of mechanical engineering, but also to protect machines, inventory and buildings from corrosion, condensation and mould formation, for example in water processing facilities or electrical control centres.

High Performance made in Germany

It is no coincidence that with the TTR 13500 you benefit from an equally durable and easy-to-service construction – after all it is a desiccant dehumidifier originally produced by Trotec, developed and manufactured in Germany according to the highest quality standards, which houses only efficient branded components of the latest generation of technology supplied by leading component manufacturers.

In full flow

The high-performance fans of the TTR 13500 are driven by energy-saving EC motors – their speed can be adjusted independently by means of a Duoventic regulator. Owing to this integrated Duoventic air volume regulation the industrial desiccant dehumidifier TTR 13500 can be configured quickly and in line with demand without the need for conversions: Extremely dry air with a low air flow rate, larger volumes of dry air or maximum circulating air performance with a moderate ratio of dry air.

FlowMatic S ensures that the volumetric flow stays on target

The desiccant dehumidifier TTR 13500 is as standard equipped with the FlowMatic S volume flow control, which automatically detects and compensates pressure losses with the aid of sensors. The regulation of volume flow and pressure can be freely adjusted via the control signal. The instant the FlowMatic S registers deviations, it takes countermeasures and so guarantees that the specified volumetric flow or pressure is maintained. This ensures a constantly available dry air current in the desired flow rate.

The volume of process air and regeneration air can be adjusted as needed by means of the Duoventic control – this renders additional throttle valves in the air lines redundant.
Duoventic air volume regulation
The volumetric flow control FlowMatic S guarantees that the set volumetric flow or pressure is maintained.
Flowmatic S
The TTR 13500 operates according to the TTR Trisorp Dual principle of operation with separate air flows of process and regeneration air implemented by one fan each as well as a respective purging sector for the heat recycling process of the incoming regeneration air.
TTR Trisorp Dual

High performance even at low dew points

For the purpose of dehumidification the desiccant dehumidifiers of the TTR series take advantage of the vapour pressure gradient between the humid air and a hygroscopic sorption agent incorporated in a desiccant wheel with an extremely large surface structure. This procedure ensures a high dehumidification performance even at a low humidity level and low air temperatures.

TTR Trisorp Dual principle

The TTR 13500 is provided with two separate air flow ducts for process and regeneration air with one fan each. The process air to be dehumidified is sucked in by a fan and flows through the dehumidification sector of the continuously rotating desiccant wheel. There the contained moisture is withdrawn by the sorbent and in the further course the dried air flows towards the air outlet.

The regeneration air is also sucked in by a separate fan and guided through the purging sector. Seeing as the desiccant wheel heats up due to the released desiccation heat and the regeneration heat, the purging sector serves for heat recovery and for cooling the desiccant wheel. This leads to a reduced energy input and an improved dehumidification performance alike – especially at lower dew points.

Whilst flowing through the heater battery the air is heated up substantially, in the course of this the relative humidity is extremely reduced. As a result, the air passing through the regeneration sector again absorbs the moisture retained by the silica gel and can then be discharged to the outside as extremely humid regeneration air through the humid air outlet.

Example set-up 1: Pressure-neutral circulating air drying when installed outside of the room to be treated with dry air.
Pressure-neutral recirculation operation when installed outdoors

Power-saving dehumidification and higher drying rates thanks to circulatory air operation with dual air circuits

With two separate air flows the TTR Trisorp Dual principle permits the recirculation operation using dry air from a separate process air circuit both when installing the device within (example 2) or outside of the room to be treated (example 1). In case of indoor installation the connected hose or pipe lines for the incoming regeneration air and the outgoing humid air are simply leading outside the room.

In contrast to the conventional ventilation mode, variable circulating air drying can achieve substantially lower dew point temperatures with a nominal dry air volume – resulting in significantly lower drying stages and a considerably more energy-efficient operation.

Example set-up 2: Pressure-neutral circulating air drying when installed within the room to be treated with dry air.
Pressure-neutral recirculation operation when installed indoors

PLC control module Millenium
Integrated control cabinet with all the equipment and supplies required for operation
Equipped with G4 air filters incl. filter monitoring

Additional benefits without an additional charge

As standard, the dehumidifier TTR 13500 comes equipped with numerous functions and features guaranteeing reliable operation, easy handling and long lifetime with low maintenance effort.

  • PLC control module Millenium for a precise energy management
  • FlowMatic volumetric flow control
  • Rotor rotation control (rotor and drive)
  • Overtemperature protection system with restart lock (regeneration air)
  • Operating temperature management (regeneration air)
  • G4 air filters in Z-line design with electronic monitoring and collective warning light
  • External on/off terminals and hygrostat terminals
  • Potential-free contacts for operation, fault and filter
  • Configurable air direction reversal
  • Robust and maintenance-friendly steel housing, galvanized and painted

Thanks to manifold equipment options the TTR 13500 can moreover be equipped precisely to meet your individual needs.

Configurable air direction reversal

Another practical detail for stationary industrial applications, especially with pipe connections, is the configurable air direction reversal of the TTR units, for especially in those cases it must be possible to integrate new or additional devices flexibly into existing process sequences.

Ex factory, the dehumidifier housing already comes prepared for mirror-inverted assembly of the air flow ducts so that the device can always be positioned with the operator side facing the user – regardless of the process air flow direction. If desired, you also have the option of adjusting the air flow direction to your individual processes as needed by means of a modular conversion. Blowing out dry air to the right and discharging humid air to the left – or the other way round – not a problem thanks to the configurable air direction reversal.

Service-friendly design

All industrial desiccant dehumidifiers of the TTR series have an extremely maintenance-friendly design. Lockable doors and filter flaps as well as the flap of the control cabinet permit quick access to all elements at any time. Moreover, the hardwearing housing is ideally prepared for additional extension options or individual special solutions.

Configurable air direction reversal
An ideal desiccant dehumidifier for various applications: Trotec's TTR 13500

Diverse application possibilities

Owing to its high dehumidification performance during continuous operation – even at low dew points – the industrial desiccant dehumidifier TTR 13500 is suited for manifold fields of application:

Performance chart of the TTR 13500
Ex factory, the TTR 13500 is delivered with a standard grid at the process air inlet and at the dry air outlet (depicted on the left). A faceplate with two Ø500 mm connectors is optionally available as well (depicted on the right). The faceplate can easily be screwed onto the standard grid.
Optional hose adapter
Upon request, we also produce customized desiccant dehumidifiers as special models

Upon request, we will readily produce tailor-made desiccant dehumidifiers as special models “made in Germany” perfectly geared to your needs, e.g.:

  • TTR industrial desiccant dehumidifiers with hygienic design
  • TTR industrial desiccant dehumidifiers for PWIS-free dry air
  • TTR industrial desiccant dehumidifiers with extremely low dew point

Makes use of the possibility of having special models with tailored components for your individual needs planned, designed and manufactured in close consultation with our specialists.
Click here to find out more ...

Straight to the right humidity load without load

Requirement calculation made easy – to the Trotec online capacity calculator

Which is the desiccant dehumidifier with the perfect capacity to suit your task

Save yourself the time-consuming calculation of requirements in the conventional way and use our professional online capacity calculator for an exact determination of your TTR unit’s requirement. Just select the desired type of dehumidification, complete the parameters queried, and our calculator will tell you the exact humidity load value for your requirement including a recommendation for your optimum Trotec dehumidifier.

Directly to the online capacity calculator

TROTEC CASE STUDY: Reliable air dehumidification against condensation with MareDeus

Reliable air dehumidification against condensation with MareDeus

The Spanish company "MareDeus Food Solutions" relies on the TTR adsorption drying units from Trotec for its cod production. Fog formation and moisture after cleaning work are a thing of the past.

To the PDF document

Technical data in comparison

All stationary adsorption dehumidifiers of the TTR series in direct comparison:

In order to find exactly the right adsorption dehumidifier for your needs, you have the possibility to compare all devices of the Trotec TTR series clearly.

Models that you do not want to include in the comparison can simply be clicked away.

Technical data in comparison

A few practical benefits:

  • Professional quality “made in Germany” – originally produced by Trotec
  • High dehumidification performance even with low dew points
  • Robust steel housing, galvanized and painted
  • Reliable silica gel sorption rotor
  • Configurable air direction reversal (conversion requires minimal effort)
  • Duoventic control – the performance of each fan can be set individually via a potentiometer
  • PLC control unit Millenium
  • FlowMatic control to constantly maintain the predefined target value for pressure and volume flow
  • TTR Trisorp Dual principle with separate air flow ducts for process and regeneration air for pressure-neutral recirculation operation
  • Electric regeneration heating
  • Filter monitoring (per air current and collective warning light)
  • Can be configured individually for any application due to a wide range of equipment options


TTR 13500 Adsorption Dryer show in Trotec online shop

Technical data

Technical data
General information
  Article number
Dry air (in case of intake air 20°C / 60 % RH)
  Dehumidification [kg/24h] 1,790.4
  Dehumidification [kg/h] 74.6
  Air volume free-blowing [m³/h] 14,700
  Nominal air volume | Dry air (in case of intake air 20 °C / 60 % RH) [m³/h] 13,300
  External compression | Dry air (in case of intake air 20 °C / 60 % RH) [Pa] 400
  Connection inlet Ø [mm] | Dry air (in case of intake air 20 °C / 60 % RH) 700
  Connection outlet Ø | Dry air (in case of intake air 20 °C / 60 % RH) [mm] 700
Regeneration air
  Nominal air volume | Regeneration air [m³/h] 2,670
  External compression | Regeneration air [Pa] 200
  Connection inlet Ø | Regeneration air [mm] 400
  Connection outlet Ø | Regeneration air [mm] 400
Operating principle
  Operating principle TTR Trisorp Dual
Operating range
  Min. temperature [°C] -20
  Max. temperature [°C] 40
  Min. humidity [% RH] 0
  Max. humidity [% RH (non-condensing)] 100
Electrical values
  Mains connection 380 - 480 V, 50/60 Hz
  Nominal current consumption [A] 150
  Installed capacity [kW] 103
  Heating capacity [kW] 90
  Recommended fusing [A] 250
Electric connection
  Terminal connection
Automatic dehumidification
  Non-stop dehumidification
  Length (packaging excluded) [mm] 2,032
  Width (packaging excluded) [mm] 1,460
  Height (packaging excluded) [mm] 1,802
  (packaging excluded) [kg] 1,100
Equipment, features and functions
Housing type
  Steel housing, galvanized and painted
  Stainless steel
Device version
  Indoor installation (standard)
  Shelter against the weather
  Hiring model
  Wide-range voltage
  Rotor rotation control (rotor and drive)
  Overtemperature protection system with restart lock (regeneration air)
  Operating temperature management (regeneration air)
  Filter monitoring (per air current and collective warning light)
  Duoventic control
  Configurable air direction reversal (conversion requires minimal effort)
  Terminals for external ON/OFF
  Terminals hygrostat
  Potential-free contacts (operation, fault, filter)
  Air volume regulation
  Integrated heat recovery
  Sensor-supported FlowMatic control
  Hygrostat (electronic)
  Hygrostat (mechanical)
  Moisture control
  Moisture and temperature registration
  Operating hours counter
  Power meter
  DIN socket for external ON/OFF
Regeneration heating design
  Electric resistance
  Electric PTC
  Saturated vapour (4 bar)
Air pre- and post-treatment
  Transport frame
  Swivel casters with brake
  Trestle rollers/ fixed castors
  Crane lifting gear
  Forklift pockets

 standard equipment

 optionally available

 not available