Vetus D-LINE VD4.120 Operation Manual page 24

3 First commissioning
5 Filling coolant system, if a water heater
is connected -1-
The point of the water heater is situ-
highest
ated at a level than the expansion tank
loWer
for the ship's engine.
The water heater will be filled and bled auto-
matically during filling of the cooling system.
22
PRESSURE CAP
(1.5bar)
• Follow the filling instructions as shown on
pages 20 and 21.
1
Use a mixture of 40% antifreeze (ethylene-gly-
col based) and 60% tap water or use a special
coolant.
For specifications see page 119.
Never fill the cooling system with sea water or
brackish water.
2
OPEN CAP
C
aution