Technical specifications – JULABO FLW4006 Recirculating Coolers User Manual
Page 9

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