Section 9 – Operation
OPERATION
International Thermal Reseach 9-5
9.6 Using the Electric Heating Element
The electric heating element can be activated using the separate
installed switch, the installation of which is described in Sec. 6 of
this manual, pg. 6-2 and 6-3. If the switch has an indicator light,
this light will come on. The electric heating element is operated
independently from the control board. Sensors on the heater are
monitoring the tank temperature and are controlling the activation
of the heating element. When the tank reaches a certain
temperature, the heating element will automatically shut off. The
1500-watt heating element provides about 5000 BTU and draws
12.5 Amps from the 120 VAC circuit.
9.7 Activating the Cabin Fan Heaters
through the Thermostats
Burner or AC Heat or Engine Heat Source Available
Any thermostat connected to the Zone Control Board and
calling for heat will cause the cabin fan controlled by that
thermostat and loop pump to be enabled. Once the room
temperature has reached the temperature called for by the
thermostat the cabin fan will turn off.
9.8 Activating the Domestic Hot Water
Burner or AC Heat or Engine Heat Source Available
Ensure that a heat source has been selected (i.e. Burner, AC,
Engine). The production of potable hot water is continuous
when the burner is operating and limited when using AC or
engine heat.
The potable water pump is not a part of, nor controlled by the
Oasis SCH33 Heating System.
9.9 Domestic Water Temperature
Adjustment
When the optional domestic water heat exchanger and mixing
valve are installed, the Oasis SCH33 will produce a domestic
water temperature rise of 60ºF at a flow rate of 1.0 GPM. The
mixing valve is factory set to limit the maximum water
temperature to 120ºF (49°C). If needed this valve can be
adjusted in a range from 75F (24°C) to a maximum of 145F
(63°C).
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