| HCU 40 |
4 Operation
| 41 |
Instructions for Use | 1.0 | EN | 01
Copyright Maquet Cardiopulmonary GmbH
2
Turn the desired stopcock to the
horizontal position to close it.
4.1.7 Filling/Topping Up Water
WARNING!
n
Only use clear water containing no particles or foreign bodies.
n
The HCU 40 tank must be filled with sterile filtered water with a hardness of
≤ 14 °dH (2.5 mmol/l CaCO
3
). Do not use deionized or completely distilled
water.
n
Do not use deionized water. Deionized water is highly corrosive and can
damage the device.
Distilled and deionized water has a lower freezing point, which can prevent
the formation of ice at temperatures far below 0°C. Vibrations at temperatures
below 0°C (e.g., from turning on the pump) can cause the tank contents to
freeze completely all of a sudden, with the result that circulation is no longer
possible.
WARNING!
n
Use a terminal water sterile filter with a pore size of 0.2 µm to fill the HCU 40
with water.
n
Do not use hot water for filling the tank. The water should be as cold as
possible in order to accelerate the formation of ice after filling.
NOTE
Pay attention to level adjustment
Level adjustment between the cardioplegia tank and the main tank can be
delayed if filling is performed very quickly.
1
Open the tank cover.
2
Add water up to no higher than the level marking in the cardioplegia tank (1
cm above the evaporizer plates).
3
Close the tank cover.
Summary of Contents for HCU 40
Page 1: ...INSTRUCTIONS FOR USE HEATER COOLER UNIT HCU 40...
Page 147: ......
