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BIOPAC Hardware | ITBS Circulator | Page 2 - 3 Updated: 2.6.2013
CIRCULATOR SETUP & USAGE GUIDELINES
1. Connect a hose from the INLET on the back of the circulator to the tissue bath OUTPUT.
For more than one tissue bath, connect the tissue baths serially.
2. Connect a hose from the OUTLET on the back of the circulator to the tissue bath INPUT.
3. Fill the stainless steel water bath with 4.5 liters of water.
A buzzer sound warning will be emitted if there is not enough water in the bath when the Circulator is
powered on. See Error Codes above.
4. Place the glass lid on the bath to close.
5. Plug the power cord from the back of the Circulator to a power source.
6. Press the POWER key to turn on the circulator.
7. To see the preset temperature value, press the P.SET key.
To change the preset temperature value, hold down the P.SET key and, at the same time, repeatedly
press the UP or DOWN arrow keys to increase or decrease the preset value.
8. To see the acceleration value of the Circulator, press the ACC key.
To change the preset acceleration value, hold down the ACC key and, at the same time, repeatedly
press the UP or DOWN arrow keys to increase or decrease the preset value. The higher values for
acceleration indicate more rapid heating.
9. To see the offset temperature value, press the ACC and P.SET keys at the same time.
This is a factory-calibrated value. To calibrate the temperature sensor, see Calibration above.
All preset values are written to non-volatile memory.
10. Press the PUMP ON/OFF key to start the circulation pump.
Check that the blue Pump Status LED is ON. The pump should begin circulating water.
11. Check that the water goes out of the circulator and flows through the waterway of the tissue bath(s).
With initial setup, some air may remain in the circulator pump. See Troubleshooting below.
12. Press the P.SET button and confirm the set value of the desired temperature.
13. Press the HEATER ON/OFF key
to turn on the heater.
Check that the red Heater Status LED is ON.
Check that the Heater Display LED is on to confirm that the heater inside the bath is working.
Circulator will maintain the preset temperature of water in the bath; variations of +/-0.2
0
C are
acceptable.
14. Check the water level periodically and add water to the bath if the level drops below 4 liters.
Caution: Over time, the water level inside the bath may decrease. Do not operate the circulator with
less than 4 liters of water in the bath.
15. To turn the PUMP and HEATER on and off individually, press their respective ON/OFF keys.
16. To stop operation, press ON/OFF keys.
Power down equipment in the following order: PUMP, HEATER, POWER.
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