Owner's manual

9
3. Technical specifications
Recirculating Cooler
Cooling
FL2503 FLW2503
air cooled water cooled
Working temperature range °C -20 ... +40 -20 ... +40
Temperature stability °C ±0.5
Temperature selection: digital
via key pad indication on LED-DISPLAY
remote control via personal computer indication on monitor
Temperature indication: LED-DISPLAY
Resolution °C 0.1
Temperature control PID 1
Temperature sensor Pt 100
Excess temperature protection 85 °C - fixed value
Low liquid level protection float switch
Cooling capacity
Medium: Mixture water-glycol
°C
kW
+20 0 -10 +20 0 -10
2.5 1.5 1.2 2.7 1.7 1.0
Cooling compressor 1-stage
Refrigerant R404A
Electrical connections:
Computer interface RS232
Alarm output for external alarm signal
Circulating pump:
discharge, max. at 0 bar l/min 40 40
pressure, adjustable at 0 Liter bar 0.5 ... 3.0 0.5 ... 3.0
Feed pressure indication bar Manometer Manometer
Filling level indicator sight glass
Filling volume from ... to liters 24 … 30
Dimensions (WxLxH) cm 60x76x115
Weight kg 146 143
Ambient temperature range °C 5 ... 40
Return flow temperature °C 80 max.
Cooling water
Flow rate at 20 °C inlet temperature l/min ----- 4.1
IP class according to IEC 60 529 IP 21
Mains power connection 230 V/50 Hz V/ Hz 207-253 / 50 207-253 / 50
Current draw at 230 V A 11 12
Mains power connection 208 - 220 V/60 Hz V/ Hz 197 - 242 / 60 197 - 242 / 60
Current draw at 208V / 220 V A 13 ----
All measurements have been carried out at: rated voltage and frequency,
ambient temperature: 20 °C