6. GENERAL OPERATING INSTRUCTIONS
& SETTING THE TEMPERATURE
For the most part, operating your new tankless water heater is very similar to using any traditional water heating
system. However, it is very important that you carefully read all of the set-up procedures and operating
instructions and tips to ensure the maximum performance and energy savings from your new water heater. We
recommend that all members of the household read these General Operating Instructions.
How your new water heater works:
Your Econobec tankless water heater does not store hot water like a conventional tank-type water heater. It contains
very high powered heating elements that are capable of heating water instantly on-demand as you need it. As soon as
you turn on a hot water faucet, a sophisticated flow sensor recognizes that you have turned on the water. This sensor
measures the water flow rate while another sensor measures the incoming water temperature. This information is
transmitted continually to the computer logic controls which decide how much power to send to the heating elements
to heat the water to your desired temperature.
Since your new water heater works on a demand basis, it will absolutely never run out of hot water no matter how
many back to back showers you run!
It is important to keep in mind that all tankless water heaters are subject to a maximum flow rate that they can handle
all at once. If you exceed this flow rate, the heater will not be capable of fully heating the water. How much water you
will be able to demand from your water heater at any given time will depend on the model you have selected and
your incoming water temperature. If you live in an area of the country where inlet water temperatures average 13
ºC (55 F) or you have cold winters, you will probably NOT be able to run multiple large water demands at the
same time, however, you will be able to run all your hot water applications back to back without ever having to
wait. You will enjoy UNLIMITED HOTWATER. SEE FIGURE 4.
Moreover, since a tankless water heater eliminates the ongoing thermal losses caused by storing
hot water in a tank, you will enjoy significant energy savings over a conventional water heater.
When you use hot water in your home with a conventional water heater, you need to mix a
considerable volume of cold water to cool the hot water down to a safe, comfortable level for
showering and bathing, etc. You need to do this with a traditional tank-type water heater because
they are set at extremely high temperature setting to prevent them from running out of hot water
quickly.
With a tankless water heater, you will generally set the temperature at a much lower level since it is
capable of heating your water on demand. This level will be much closer to the actual temperature
at which you feel comfortable showering or bathing ( between 40,6 and 46 ºC ( 105 and 115 F )
MAXIMUM ). Accordingly, when you use your faucet controls to run a shower or bath, you will no
longer have to mix as much cold water, in fact, you may mix very little or no cold water. This is
perfectly normal and means that you are no longer wasting energy by overheating your water.
Econobec tankless water heater – Installation instructions and homeowner manual 9
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