EQUIPMENT DETAILS
91
Dual Fuel operation
The Truma Combination boiler has been
designed to run on gas or electric power, and
the optimum performance is obtained when
used in dual fuel mode, that is running on gas
and electric at the same time.
Running in dual mode has the following
benefits:
• The fastest possible heat up time, as the
gas burner combines with an electric
element to provide energy to heat your hot
water and warm your caravan.
• The intelligent heat management system
automatically senses when the water and
room are nearing the required temperature
and then automatically turns off your gas
burner and operates solely on electric
power, conserving your gas.
• As hot water is used or the room cools the
Truma combination heater will continue to
operate on electric only, until a point where
the demands necessitate that additional
gas power is also required. An example for
such a demand could be for instance if the
exterior door was left open and the room
temperature dropped by 10 degrees in the
space of a few minutes, in this case the
intelligent heat management system would
decide the best way to get the room back to
the required temperature, would be to use
both gas and electric at the same time.
Operating the Truma Combination system on
electric or gas only will result in longer heat up
times for hot water, and room temperature, in
comparison to operating on dual fuel.
Operating on electric only may not in all cases
maintain a comfortable room temperature
especially in colder conditions.
Whilst taking energy consumption and the
environment into account, consider using the
Combi in Summer mode (water heating only)
when room or space heating is not required,
but may be needed in the near future. This
ensures the appliance is held at the same
temperature as the hot water setting chosen,
and this can reduce the time taken to provide
warm air into the living area, when room or
space heating is then selected.
Truma Heating System and Air Flow
The Swift Group undertakes considerable
testing of our products in cold chambers to
ensure they meet the BS EN 1649 Grade 3
standard and are usable in cold temperatures.
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