Extra expansion tank
1 Vent hose
2
Hot water heater
3 Min coolant level
A Height above the highest point in an external
circuit or above the engine valve cover.
Capacity, freshwater system (standard)
and auxiliary circuits
The volume of the engine freshwater system may be
increased by an auxiliary circuit without the need for
an extra expansion tank in the system.
If the volume is increased further or if an additional
circuit is located above the engine, the cooling sys-
tem must be fitted with an auxiliary expansion tank.
Hot water circuits and cabin heating are examples of
auxiliary circuits.
The
auxiliary expansion tank must be located so that
it is easily accessible for level checks and filling.
The venting hoses (1) may not be run below their
respective engine connection points.
Height (A)
Engine valve cover/highest point of
external circuit – MIN mark
Type of pres-
sure cap
m (ft.) kPa (psi)
– 2.0 (– 6.5)
2.0 – 5.0 (6.5 – 16.5)
5.0 – 7.0 (16.5 – 23.0)
7.0 – 10.0 (23.0 – 33.0)
75 (10.9)
50 (7.3)
30 (4.4)
Open system
Installation, Volvo Penta IPS
106 47704162 10-2014 © AB VOLVO PENTA
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