Engine Waste-Heat And Engine Pre-Heat Plumbing; Figure 7-4 Potable Hot Water System Plumbing - ITR Oasis® Zephyr ™ Oasis Zephyr HW Installation And Operating Manual

7-6

Figure 7-4 Potable Hot Water System Plumbing

7.5 Engine Waste-heat and Engine pre-
heat Plumbing
Refer to figure 7-5: Engine heat/pre-heat system plumbing.
Hot coolant from the engine enters the Oasis
connection labeled "Engine Supply" and returns to the engine from
the connection labeled "Engine Return". When the Oasis
connected to the engine, engine waste heat can be used to provide
space heating and hot water.
The Engine Heat Supply/Return connections are located on the back
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of Oasis Zephyr and can be made using 1/2" MPT x 1/2" hose-barb
or 1/2" MPT x 3/4" hose-barb fittings.
If the pre-heat function is required an additional, externally
mounted, pump is installed. This pump circulates engine coolant
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through the Oasis
is turned OFF. A separate Engine Pre-Heat switch is required to
activate this pump. For engine heat/pre-heat electrical connections
refer to figure 6-4 wiring schematic in Section 6, Wiring the Electrical
System.
It is recommended to contact the vehicle/engine manufacturer prior
to proceeding with the engine plumbing installation.
Installation Manual for Oasis® Zephyr™ HW Heating System
Zephyr engine heat exchanger, when the engine
Section 7, Plumbing the System
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Zephyr at the
®
Zephyr is