EB XT 400/600 WT

Chiller 36–59 kW

Pfannenberg introduced a new product series to extend our portfolio with a new extreme performance range up to 150 kW in cooling capacity. The EB eXTreme consists of 9 units in 3 different housing sizes following our high-level standards in efficiency, compact design and innovation in chiller technology.


protection system

water | water/glycol

microchannel technology

small hysteresis

extreme T conditions

large tank

enhanced pump

service friendly

top EER / energy saving

laser applications

EC fan

Technical data

DataEB XT 400 WTEB XT 500 WTEB XT 600 WT
Rated voltage±1 %50 Hz AC
±10 %400 V 3~
Cooling capacity (with pump)W18/A3236 kW47 kW59 kW
Flow rate (pump)117 l/min150 l/min183 l/min
Pump pressure3 bar
Ambient temperature+5 … +50 °C
Mediumwater, water/glycol
Medium temperature (outlet)+8 … +30 °C
Connections (medium)IG1 1/2" BSP
Dimensions (H x W x D)2030 x 830 x 1240 mm

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


Description Language Type Size Download

Product Sheet

  • English
pdf 810 KB Download


  • English
pdf 160 KB Download


  • German
  • English
pdf 77 KB Download

Base plate

  • English
pdf 97 KB Download

Hydraulic Diagram 400 WT

  • English
pdf 190 KB Download

Hydraulic Diagram 500 WT

  • English
pdf 190 KB Download

Hydraulic Diagram 600 WT

  • English
pdf 190 KB Download

Performance curve 400 WT

  • English
pdf 64 KB Download

Performance curve 500 WT

  • English
pdf 65 KB Download

Performance curve 600 WT

  • English
pdf 63 KB Download

Declaration of conformaty

  • Italian
  • English
pdf 410 KB Download

EAC Certificate

  • Russian
pdf 960 KB Download

Ordering details

Ordering detailsEB XT 400 WTEB XT 500 WTEB XT 600 WT
Article number421440050014214500500142146005001

Product Benefits

  1. 1

    Extreme cooling capacities

    extending our range of chillers up to new high cooling capacities.

  2. 2

    EC fans

    Variable speed control, EC motor technology, further increasing energy savings.

  3. 3

    Reduced emissions

    due to high efficiency refrigerant R410A.

  4. 4

    Microchannel tecnology

    Using microchannel heat exchangers (MCHX) for condenser coil design allows more efficient and compact solution.

  5. 5

    Cooling medium

    Water | water/glycol mixtures.

  6. 6

    Scroll compressor

    Lower noise level and 20% decreased power consumption than comparable piston compressors.

  7. 7

    Controller and sensor

    Controller system and digital display of temperature, pressure, tank level and status values.

  8. 8

    Electronic expansion valve

    Electronic expansion valve