Heater-Cooler System 3T • Routine maintenance
CP_IFU_16-XX-XX_USA_015 6.9
To ensure a homogeneous disinfectant distribution in all of the water tanks:
◗ Close the cover of the filler neck.
◗ Make sure that the three venting valves a at the rear of the heater-cooler are closed.
◗ Establish a connection between the inlet of the cardioplegia circuit 10 and the inlet of the patient
circuit 8.
Please note that a temperature alarm can be triggered if the temperature deviates in the individual
tanks.
To avoid this alarm, adjust the set temperature values of the warm cardioplegia circuit and the patient
circuit to 20°C (68°F). Set the cold cardioplegia circuit to 10°C (50°F).
(see chap. 5.4.1 “Adjusting the set values”)
!
Starting the cold cardioplegia circuit
◗ Press the key Circuit Start/Stop 31 on the heater-cooler to start the cooling circuit (cooling tank =
blue dot).
➜ The green key LEDs flash alternately.
◗ After 5 minutes, press the key Circuit Start/Stop again to stop the circuit.
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