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Starting it up in heating mode:
Turn up your thermostats to send a run signal to the unit, the pump will start immediately, a
little house with a circle round it appears in the status window, when the compressor starts
after 3 minutes, you will see the symbol for the compressor in the status screen. Its a little
milk churn with a c in it.
The pipework will begin to heat up, check the flow temperature by pressing blue view button
once, the temp of the flow is shown next to a symbol of a house in a circle. Over time this will
warm up, now check all the radiators or U floor loops are hot as well.
If the unit doesn't start see problems page16 and 17
Starting the System in hot water mode
In hot water mode check that the 2 ports are sending water into the hot water cylinder, Using
the
view button (blue)
on the remote controller check the hot water cylinder temperature and
note it down, the hot water temperature is displayed when the tap symbol shows.
After 15 minutes of running check the hot water temperature again, it should have risen, again
note the temperature. If the temperature has not risen check the blue temperature sensors is
installed properly. If the unit is running well it should heat the cylinder to 48C without needing
the immersion heater
Performance testing
With the unit running flat out measure the air temperature as it enters the back of the unit and
the ambient temperature well away from the unit? They need to be the same for the unit to
operate properly. Note these on the commissioning report
Not enough hot water.
The Water storage temperature is lower (48C) than a normal fossil fuel cylinder. It's important
to check that any shower or bath mixers do not further reduce the water temperature. Using
your thermometer check that the hot water comes out the tap at the same temperature it
leaves the cylinder. If it doesn't you might need to make adjustments to taps mixers etc.
DON'T raise the cylinder temperature to compensate.
Press Hot water on off button to start the unit, top right
button.
Set the desired temperature to 48C press
button once until a tap shows now set using the up and
down buttons.
The unit will take up to 6 minutes to start in Hot water
mode, be patient don't press buttons.
heating the cylinder this coke can symbol shows on
the controller.
Run test in hot water mode
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When the unit is
©G Hendra April 2015
blue
set
16
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