FL4003 Recirculating Chiller
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SKU: FL4003

FL4003 Recirculating Chiller

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Recirculating Cooler/Chiller for environmentally friendly cooling

Freight shipping required 

Your advantages

  • Ergonomic design and easy operation
  • Splash-proof keypad with integrated mains switch
  • Large, bright LED display
  • Reliable Microprocessor PID temperature control
  • Filling level indicator
  • Powerful immersion pumps, suitable for continuous operation
  • Permissible temperature in return line +80°C
  • Easy filling from the top with hinged protective lid
  • Low liquid level protection with optical and audible alarm signal
  • Integrated stainless steel bath tanks
  • Removable venting grid for cleaning of the condenser
  • Front drain
  • No side vents
  • RS232 interface for PC-connection
  • IP class according to IEC 60529: 21
  • Alarm output, potential-free change-over contact (max. 30 VA)
  • Pressure Indicator
  • By-pass valve to adjust pump pressure

Technical Data

Order No. 9663040
Model series FL Series
Category Recirculating Coolers
Working temperature range (°C) -20 ... +40
Temperature stability (°C) ±0.5
Setting / display resolution 0.1 °C
Temperature Display LED
Cooling capacity (Medium Ethanol)
°C 20 0 -10 -20
kW 4 2.4 1.5 0.65
Pump capacity flow rate (l/min) 40
Pump capacity flow pressure (psi) 7.25...43.51
Pump connections G3/4"
Barbed fittings diameter (inner dia. / mm) 3/4"
Filling volume (liters) 24 ... 30
Refrigerant stage 1 R452A
Filling volume refrigerant stage 1 (g) 2220
Global Warming Potential for 2140
Carbon dioxide equivalent stage 1 (t) 4.751
Digital interfaces RS232
Optional Profibus
Ambient temperature 5...40 °C
Dimensions W x L x H (inch) 23.6 x 29.9 x 45.3
Weight (LBS) 271
Sound pressure level (distance 1 m) max. (dBA) 67
Description Suitable fluids: water, water-glycol mixture, JULABO Thermal bath fluids
Included with each unit 2 barbed fittings for tubing 3/4" inner dia. (pump connections G3/4" male)
Cooling of compressor Air
Power requirement V / Hz / A 3x 230/60/11 Additional voltage versions available
Refrigerant specifications are valid for the 50 Hz version.


Easy to read
Easy to read
Large LED temperature display for actual value and setpoint (resolution 0.1 °C)
Simple and fast 
Simple and fast 
Convenient 3-key setpoint adjustment (FL models)
Temperature Control
PID Temperature control with set control parameters, temperature stability ±0.02...±0.2 °C
Refrigeration Technology
Consistent cooling capacity
Consistent cooling capacity
Easily removable venting grid for quick and easy cleaning
Technical Features
Serial connection
Serial connection
RS232 interface for PC connection, e.g. for data communication and recording of measured values

Technical changes without prior notification.
Images may deviate from the original.

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