PWT 6402 3.8kW

Air/water heat exchangers 3800 W
  • Condensate proof
    Large distance between cooling and control cabinet roof
  • Leakage sensor
    Closes the supply line to prevent flooding of the switch cabinet
  • Cut-out compatible to DTT 66/6801
    Change from compressor cooling to water without mechanical adjustment
  • Great throwing depth
    By flow optimised design combined with powerful fans
  • Service-friendly
    Hardly any maintenance parts, fan and solenoid valve are easily accessible

top mounting

temperature alarm

temperature control

protection system

UL recognized for Canada and US

Technical data

DataPWT 6402
Rated voltage ±10 %50/60 Hz AC
230 V400 V 2~
Cooling capacity @ 400 l/hW10/A353800
Ambient temperature+1 … +70 °C / +34 … +158 °F
Water inlet temperature+1 … +35 °C / +34 … +95 °F
Degrees of protection
according to EN 60529
IP 55towards the electrical enclosure
if used as intended by the manufacturer

Further technical details and dimensions can be found in the download section on this page under product sheet.


Description Type Size
Conformity PWD 53xx - 54xx pdf 71 KB Download
Op.inst. PWT 6402 230V/400V 2~ pdf 3.2 MB Download
Short operat. instruction pdf 1.0 MB Download
Description Language Type Size Download

Product sheet

  • English
pdf 980 KB Download

3D-model (STEP)

  • English
zip 1.1 MB Download


  • English
pdf 28 KB Download

UL recognized certificate

  • English
pdf 220 KB Download

Ordering details

Ordering detailsPWT 6402
Rated voltage230 V AC400 V AC
Article number1281340105512813409055

Product Benefits

  1. 1

    Process reliability

    • High airflow rate and cooling capacity.
    • The heat load will not be transferred to the ambient air.
    • Integrated temperature monitoring with alarm contact.

  2. 2

    Surface seal

    to protect against the penetration of water via the roof surface of the control cabinet.

  3. 3

    Service and mounting friendly

    • Compact design.
    • Seal requires no elaborate reworking of the mounting cut-out.
    • Maintenance-free.

  4. 4

    Water circuit

    • Pressure-tested to 30 bar.
    • 10 bar maximum operating pressure.

  5. 5


    • System-compatible with chillers.
    • Can be integrated in existing cooling circuits.
    • Integrated thermostat and solenoid valve for energyefficient temperature control.

  6. 6

    High resilience

    • Very high IP protection.
    • Usable under aggressive environmental conditions.
    • Independent from the ambient temperature at the place of installation.