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Business: | +49 2452 962 400 |
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Industry: | +49 2452 962 777 |
End-consumers: | +49 2452 962 450 |
E-mail: | online-uk@trotec.com |
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TTK 355 S commercial dehumidifier
The new value-for-money leader in the 70 litre class
Reduce high levels of relative humidity in minimum time or easily keep large rooms dry – the TTK 355 S is in its element, this is what it was made for.
This becomes possible because of a clever combination of a strong 1.27 kW rotary compressor and a quality fan for air flow rates of up to 1,000 m³/h.
Thanks to the high air circulation, the tuned heat exchange system is always able to feed extreme humidity from the ambient air for quick drying. Up to 70 litres of humidity can be removed from the room air per day with just one TTK 355 S in this manner.
At the same time, compared with other defrost systems, the high-quality hot gas automatic defrost of the TTK 355 S guarantees a much more efficient dehumidification performance without defrost pauses on a time interval during which no dehumidification occurs.
Common location changes and use in rough construction site conditions are no problem for this condenser dryer:
Thanks to the ergonomic construction and carriage design with a bar handle and large wheels, the TTK 355 S can easily be transported over uneven terrain or up and down stairs – the rotary compressor makes it possible to transport it anywhere. And the non-marking rubber wheels leave no marks on your floorboards or other sensitive undergrounds.
A special enclosure protects the electronic components of the dehumidifier from hazardous dust or moisture, which can interfere with the functionality and durability of the electronics.
The enclosure is in no way inferior to the impressive inner values: All components of the TTK 355 S are reliably protected and attractively combined in the tried and tested German industrial design – protected prototype.
Even in storage, the TTK 355 S makes a good impression – while taking up surprisingly little space. Due to its two practical stacking grooves on top, equally sized TTK‑S devices can be safely stacked to save space during transport and storage.

Clearly arranged control panel – protected by protective bars. (1)
The serial operating hours counter of the TTK 355 S commercial dehumidifier is optionally available as a dual counter for operating and kilowatt hours. (2)
A special enclosure reliably protects the TTK 355 S dehumidifier electronics from dangerous inclusions. (3)
Two stacking grooves make it possible to stably stack equally sized TTK‑S commercial dehumidifiers to save space. (4)
A powerful condensate pump with a pump performance of up to 50 m distance and a maximum pump height of 4 m is also available for permanent drying with the TTK 355 S.
This can be used to permanently drain condensation from whole stories of buildings. (5)
A few practical benefits:
- Development, design, production: 100 % Trotec
- High dehumidification performance even at low temperatures
- Maximum dust and dampness protection for all electrical components
- Very easy to maintain construction
- Optimal handling
- Portable and easily stored anywhere thanks to its rotary compressor
- Practical stacking groove for stable, space-saving storage and transport
- Stackable with equally dimensioned models
- Tried and tested German industrial design – protected prototype

A handy protective cover is optionally available for all commercial dehumidifiers of the TTK-S series.
Investment protection for your drying devices
Particularly during construction drying operations in summer or when drying water damages, it is very likely that climate conditions arise which may significantly shorten the lifetime of condenser dryers – regardless of the make. We as manufacturer care about the fact that for process-related reasons your condenser dryers often have to be replaced much too soon, hence we have prepared a valuable practical recommendation relating to the investment protection of your drying devices. Click here to find out more ...
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Luftentfeuchter TTK 355 S
1,660.05 € incl. VAT Show net price (VAT not included)
Technical data
Technical data | ||
---|---|---|
General information | ||
Article number | 1.120.000.163 | |
Dehumidification performance | ||
At 20 °C / 60 % RH [l/24h] | 27 | |
At 30 °C / 80 % RH [l/24h] | 55 | |
Max. [l/24h] | 70 | |
Air flow rate | ||
Level Max. [m³/h] | 1,000 | |
Recommended room size construction drying | ||
m³ | 450 | |
m² | 180 | |
Recommended room size dry keeping | ||
m³ | 900 | |
m² | 360 | |
Ambient conditions | ||
Min. temperature range [°C] | 5 | |
Max. temperature range [°C] | 32 | |
Min. humidity range [% RH] | 50 | |
Max. humidity range [% RH] | 90 | |
Electrical values | ||
Mains connection | 220 - 240 V/50 Hz | |
Nominal current consumption [A] | 6 | |
Power input [kW] | 1.3 | |
Recommended fusing [A] | 10 | |
Compressor | ||
Rotary piston compressor | ||
Reciprocating piston compressor | ||
refrigerant | R-454C | |
Amount of refrigerant [g] | 650 | |
GWP factor | 146 | |
CO2 equivalent | 0.0949 | |
Pressure suction side [MPa] | 0.6 | |
Pressure outlet side [MPa] | 2.2 | |
Max. permissible pressure [Mpa] | 3 | |
Water tank | ||
Contents in [Litres] | 6 | |
Sound values | ||
Distance 1 m [dB(A)] | 54 | |
Functions and features | ||
Automatic fault diagnosis system | ||
Operating control lamp | ||
Room temperature sensor | ||
Automatic switch-off | ||
Operating button for draining residual water | ||
Auto restart function | ||
Connection for external condensate drain | ||
Memory function | ||
Fan rundown function | ||
Laundry drying function | ||
Selectable ionisation | ||
Internal drying function | ||
Child lock | ||
Night mode | ||
Dimensions | ||
Length (packaging excluded) [mm] | 390 | |
Width (packaging excluded) [mm] | 380 | |
Height (packaging excluded) [mm] | 725 | |
Weight | ||
(packaging excluded) [kg] | 39 |
Equipment, features and functions | ||
---|---|---|
Automatic defrost system | ||
Hot gas | ||
Electronic | ||
Automatic dehumidification | ||
Non-stop dehumidification | ||
Analogue hygrostat | ||
Hygrostat-controlled | ||
Electronic hygrostat | ||
Program-controlled | ||
Fan | ||
axial | ||
Radial | ||
stages | 1 | |
Condensate tank monitoring | ||
Container available | ||
Overflow protection with automatic switch-off | ||
Filling level warning light to indicate a full water tank | ||
Room air filter | ||
Readily accessible | ||
Cleanable | ||
Ionizer selectable | ||
Operating hours counter | ||
Operating hours counter | ||
Power meter | ||
Mobility | ||
Carry/transport handle(s) | ||
Non-marking full-rubber wheels | ||
Adjustable bar handle | ||
Feet | ||
Carriage design | ||
Plastic wheels | ||
Swivel casters with parking brakes | ||
Condensate drain | ||
Hose included in the scope of delivery | ||
Hose connection possible | ||
Condensate pump | ||
Recommended hose size [mm] | 19 | |
Control panel | ||
Protective bar | ||
Digital display | ||
Comfort button | ||
Shelf life | ||
stackable | ||
Housing design | ||
Steel coated | ||
Plastics | ||
Stainless steel | ||
Metal plastic composite housing | ||
Aluminium |
standard equipment
optionally available
not available