Chilller / WLA Precision R407


Horizontal Design 41000W-90500W


Chilller / WLA Precision R407


  • Horisontell design
  • WLA R407C: four side assets for easy maintenance
  • Galvanized steel base, polyester powder RAL9005 "orange peel finish"
  • Galvanized steel panels, polyester powder RAL7035 "orange peel finish"
  • Base with mounting holes for wheel kit
  • Ready for lifting with a truck or with a crane with rope

These units are coolers for process cooling that are not covered by the rules for MT (Average temperature - EU 2015/1095) and HT (High temperature - EU 2016/2281)

The working limits for the liquid temperature are:

base units: + 13 ° C ÷ + 25 ° C
units for low water temperature: -5 ° C ÷ + 1 ° C

See Cosmotech for more information

Article number

WLAC841000W, 400V-3-50Hz, 460V-3-60Hz1820x1140x2000Data SheetLayout
WLAD851000W, 400V-3-50Hz, 460V-3-60Hz1820x1140x2000Data SheetLayout
WLAG272000W, 400V-3-50Hz, 460V-3-60Hz1820x1140x2400Data SheetLayout
WLAH890500W, 400V-3-50Hz, 460V-3-60Hz1820x1140x2400Data SheetLayout



Refrigerant circuit

  • Air-condensed single circuit
  • A roller compressor
  • Organic refrigerant gas R407C mod. C8 … H8
  • Organic refrigerant gas R410A mod. J0 … M7
  • Capacitor with aluminum fins
  • Evaporator: stainless steel plate
  • Thermostatic expansion valve

Hydraulic circuit

  • Standard equipment with pump and tank
  • Liquid: water and antifreeze
  • Non-iron circuit std.
  • Centrifugalpump
  • Adjustable bypass with manometer
  • Electrical level indicator std.

Electric circuit

  • Electrical panel for outdoor installations
  • Control panel with general switch and alarm diagnosis
  • Electronic thermostat with temperature precision +/- 2K
  • Power supply and signals at terminals
  • Standard signals: general alarm, on-off remote control
  • Signals on request: electrical level, circuit breaker,
  • Antifreeze protection


UL Certification
The UL for our products can be downloaded directly on the UL website at the following link:
In the search form, insert stulz spa in the comapy name box.
It will appear a list of the downloadable documents.