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  • LT(K)_DK Series continuous-flow coolers

    Cooling capacity 1 kW to 7.5 kW

    Compact cooling units of the LT(K) Series as continuous-flow coolers without medium tank;
    with pump option

    The industrial continuous-flow coolers of the LT(K)_DK Series consist of the following components:
    refrigerant circuit, medium circuit and electrical engineering – completely installed in one housing.
    The cooling of the circulating medium takes place via a heat exchanger, the so-called evaporator.
    The basic version is equipped ready for connection and operation, in air-cooled design for frost-free indoor installation.

    Individually configurable and expandable according to customer specifications.

    Recirculating media

    Water     Emulsion      Oil

    Flow temperature range

    10 – 40 °C

    Quality and performance features of LT(K)_DK
    continuous-flow coolers

    • Wide range of options due to flexible modular principle
    • Individual and application-specific configuration optimised for a wide range of customer requirements, e.g. special voltages, higher ambient temperatures, multi-circuit system, interface connection, etc.
    • Easy integration into the production layout due to smallest dimensions and individual colour selection
    • Available as stand-alone or built-in unit
    • High precision control
    • Automatic power adjustment
    • Standard temperature stability +/- 1 K
    • Flexible control and temperature precision through ACC control possible on request

    Main areas of application:

    Filtration technology, food industry, plastics industry – everywhere where existing tanks or containers can heat up and require cooling or temperature control.

    • Compact device tested by us in-house, in test run lasting several hours
    • Compact industrial housing for indoor installation
    • Device standing on wheels (LT_DK 4.5 - 6.5)
    • Painted in RAL 7012
    • Air-cooled condenser with copper pipes and aluminium lamellae, extremely efficient
    • Axial fan, extremely low-noise and maintenance-free, with contact protection
    • CFC-free coolant
    • Hermetic compressor, 100 % suction gas-cooled
    • Evaporator as a plate heat exchanger or optionally as pipe coil heat exchanger
    • Thermostatic expansion valve for optimum coolant injection
    • High and low-pressure pressure switch
    • Piping of the medium circuit made from stainless material (iron-free)
    • Digital controller with target and actual value display
    • Switching and control elements completely wired
    • Automatic power adjustment
    • CE-compliant
    • Refrigeration technology designed according to DIN EN 378, part 2
    • Electronics designed according to DIN EN 60204
    • RoHS and REACH-compliant
    • Outdoor installation
    • Air filer mat
    • Radial fans
    • Split design
    • Water-cooled condenser
    • Low-noise design
    • Refrigeration gauge for high and low-pressure sides
    • Temperature stability ± 0.2 K
    • Temperature stability ± 0.02 K
    • Cold fluid outlet temperature < +8 °C
    • Overflow valve
    • Fixed bypass
    • Multi-circuit system
    • Heat recovery
    • Flow monitor with analog or digital signal
    • Medium filter
    • Gate valves in flow and return
    • Medium temperatures up to 40 °C
    • Heating for temperature control
    • Pump made from bronze or optionally stainless steel
    • Pump switch-off
    • Air filter mat monitoring
    • Continuously variable speed regulation of the fans
    • Wire marking
    • External on/off switch
    • Heavy-duty connector (e. g. Harting)
    • 24V AC/DC control voltage
    • Special voltages and frequencies (50/60 Hz)
    • Limit temperature monitoring
    • Differential temperature regulation
    • External temperature sensor
    • Cabinet heating
    • Cabinet fan
    • Bus connection, e. g. Profibus DP
    • Individual fault indicators (in the plain text display or as bit technology)
    • RAL special colours upon request
    • Mobile version (LT Mini_DK / LTK_DK)

    Continuous flow cooler with optional pump for water / emulsion up to 8% and oil up to 32cSt





































































































































    Series Type Unit LT Mini 09.5_DK LTK 1.4_DK LTK 2.4_DK
    Cooling capacity at medium inflow temp. W
    +10 °C 800 1200 1800
    +15 °C 1000 1600 2300
    +20 °C 1050 1800 2400
    Compressor drive W 480 700 990
    Number of fans piece 1 1 1
    Air capacity m3/h 500 1150 1150
    required flow rate for water 5 10 10
    required flow rate for emulsion min. 8% l/min 5 10 10
    required flow rate for oil l/min 10 20 20
    Pressure loss in flow cooler approx. bar 1 1 1
    Particle size max.* µm 50 50 50
    Water connections DN Inch 1/2 3/4 3/4
    Width (W) mm 443 650 650
    Length (L) mm 555 650 650
    Total height (H) mm 360 500 500
    Weight when empty approx. kg 42 80 90




















































































































    Series Type Unit LTK 3.4_DK LT 4.5_DK
    Cooling capacity at medium inflow temp. W
    +10 °C 2200 3500
    +15 °C 3000 4200
    +20 °C 3200 5100
    Compressor drive W 1090 940
    Number of fans piece 1 1
    Air capacity m3/h 1150 2600
    required flow rate for water 10 20
    required flow rate for emulsion min. 8% l/min 10 20
    required flow rate for oil l/min 20 50
    Pressure loss in flow cooler approx. bar 1 1
    Particle size max.* µm 50 50
    Water connections DN Inch 3/4 1
    Width (W) mm 650 600
    Length (L) mm 650 600
    Total height (H) mm 500 1165
    Weight when empty approx. kg 90 110




















































































































    Series Type Unit LT 5.5_DK LT 6.5_DK
    Cooling capacity at medium inflow temp. W
    +10 °C 4900 5000
    +15 °C 6000 6500
    +20 °C 7200 7500
    Compressor drive W 1300 1650
    Number of fans piece 1 1
    Air capacity m3/h 2600 2600
    required flow rate for water 20 20
    required flow rate for emulsion min. 8% l/min 20 20
    required flow rate for oil l/min 50 50
    Pressure loss in flow cooler approx. bar 1 1
    Particle size max.* µm 50 50
    Water connections DN Inch 1 1
    Width (W) mm 600 600
    Length (L) mm 600 600
    Total height (H) mm 1165 1165
    Weight when empty approx. kg 110 110

    Medium temperature range: from +8 °C to +25 °C (other ranges on request).
    Type of cooling: air-cooled with axial fan (water-cooled or with radial fan on request).
    Electrical connection: LT mini_DK, LTK_DK in 230 V/50 Hz, LT_DK 4.5 - LT 6.5 in 400 V N PE 50 Hz (other voltages and frequencies on request).
    Designed ambient temperature: +32 °C (higher and lower temperatures on request).
    Application range of the industrial cooler: from +8 °C to + 42 °C ambient temperature (higher and lower temperatures on request).
    Circulation medium: Drinking water / emulsion up to 8% / oil up to 32cSt (sulphur-free) with a spread of approx. 5 K between medium inlet and outlet (other ranges on request).
    * depending on degree of pollution

    Technical modifications and errors reserved.

    Product views series LT(K)_DK

     

    Main areas of application

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