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Model WlOtwo comes complete with FLOWCONTROLLER which, when properly
connected
to a heater
tank,
produces domestic hot water from waste
engine heat.
principle:
There are two 7/8" hose connections at front of the engine
which provide a parallel flow of engine cooling water to and from the
heater.
These
connections
are
part
of
the
FLOWCONTROLLER
which
assures a flow of hot water through the heater at all times and yet
precludes excessive restriction of engine cooling water flow caused by
the heater - all simply and automatically.
Installation:
Remove the hose connecting the 7/8" spuds on front of
engine as shipped from the factory (see illustration preceding page).
Connect these
spuds
to the heater with 7/8" ID wire inserted hose.
The spud on thermostat housing is the flow FROM the engine and should
connect to lower fitting on heater.
The spud on manifold is the flow
RETURNING to the engine and should connect to the upper connection on
heater.
Hoses should rise continuously from their low point at the heater to
the engine so that trapped air will rise naturally from the heater to
the engine.
If trapped air can rise to the heater, then an air bleed
petcock must be
installed at
the higher
fitting on the heater
for
bleeding air while filling the system.
Avoid loops in hose runs which
will trap air.
If any portion of
the engine cooling water circuit to or
from the
heater rises above the engine's own pressure cap, then the pressurized
remote expansion tank must be installed in the circuit to become the
highest point.
The tank kit Part Number is 24177.
Install the remote
expansion tank in a convenient location such as a sail locker for ease
of checking fresh water coolant level.
The cap on the engine mounted expansion tank/manifold should not be
opened once the remote system is installed and filled.
The
hose
connection
from
the
heater
to
the
remote
expansion
tank
should be routed and supported so as to rise continuously from the
heater to the tank enabling any air in the system to rise.
Illustrations
below
are
of
FLOWCONTROLLER adapted
to our
two pass
manifolds.
While on Model WlOtwo the appearance
is different,
the
principle is the same.
IIetlter Below Egine:
fieZlter
Ab::JveEngiJ1tZ:
19
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