25
3 First commissioning
Filling coolant system,
7
interCooling
,
if a water heater is connected (2)
The
highest
point of the water heater is
situated at a
higher
level than the expan-
sion tank for the ship’s engine.
The water heater will
not
be filled and
bled automatically during filling of the
cooling system.
Fill the cooling system via the expansion
•
tank (3).
Open valve (4) during filling and bleed-
•
ing the system.
Unscrew plug (2), on top of the lid of the
•
thermostat housing, a few turns to bleed
the system properly.
Tighten plug (2) after the cooling system
•
has been filled and bled and continue
filling.
n
ote
Remember to close valve (4) after filling
•
the system.
1
2
3
4
1.5 bar
DO NOT OPEN
VD00877
Use a mixture of 40% antifreeze (ethylene
glycol based) and 60% tap water or use a
special coolant.
C
aution
Never fill the cooling system with sea water
or brackish water.
Summary of Contents for DT4.70
Page 1: ...Operation manual DT4 70 DTA4 85 ...
Page 2: ...ii ...
Page 141: ...139 ...
Page 142: ...140 ...