Marinediesel 5L V8, Owner'S Manual

Page: 204 / 248

Owners Manual 202 Section 6 - Engine
Water Heaters
Important Information
IMPORTANT: When connecting a cabin heater or hot water heater, certain
requirements must be met:
x
Supply hose (from engine to heater) and return hose (from heater to engine)
MUST NOT EXCEED 5/8 in. (16 mm) ID (inside diameter).
x
Make heater connections ONLY at locations indicated in the following
information.
x
Do not reposition engine temperature switch; it must remain where installed by
factory.
CAUTION
Avoid performance loss and/or possible engine damage. Engine coolant must
flow continuously from the engine intake manifold to the engine water-circulating
pump. NEVER close off or block the coolant flow to or from a heater.
All heater installations must be plumbed in series with the supply and return
connections.
CAUTION
Avoid engine overheating which could result in engine damage. On models
equipped with Closed Cooling, an air pocket may form in the closed cooling
system if some coolant is lost from the system and the cabin heater or hot water
is mounted higher than the fill cap on the heat exchanger. Heater must be
mounted lower than the fill cap of the heat exchanger on models so equipped.
Hose Connection
Seawater Cooling - If Location Is Available
a -
Location for Hot Water Supply (Install Fitting Here)
b -
Location for Hot Water return (Install fitting here).
a
b