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Starting the unit in heating mode
Press the left button so the Zone is highlit in blue, press the power button a temperature will show
will show, the unit is automatic mode using an external run signal. Turn up your thermostats or
underfloor heating to send a run signal to the unit, the display will change to set 0.0c the pump will
start within 3 minutes. The compressor in the outdoor unit starts after 3 minutes, the pipework will
begin to heat up.
If you press the ok button, you can see the water outlet flow temperature rising.
If the outdoor unit doesn’t start after 5-minutes, see problems page.
Over time the unit will warm up, now check all the radiators or under floor loops are hot as well.
Starting the System in hot water mode
Clean the filter balls again.
Press return to get to the normal screen. With the zone hi lit in blue press the power button, heating
will stop. Now press > to highlight the DHW and press the power button again.
The DHW will start the display will show 48°C set standard
Press ok
The cylinder set temperature and current temperature will show.
To adjust the temperature press ^ and v set it to 48°C.
Press ok to switch between standard , eco (cold water) and boost only used in emergency’s.
The heat pump will start heating the cylinder if its colder than 43°C and will heat it up to 50°C then it
will stop. The unit will take up to 6 minutes to start in Hot water mode, be patient
When the unit is heating the cylinder, the HW valve will open but the heating valve will not close for
40 seconds, this is normal.
Run test in hot water mode
Make a note of the hot water cylinder temperature, after 15 minutes of running check the hot water temperature again, it should have
risen, again note the temperature. If the unit is running well it should heat the cylinder to 48°C without needing the immersion heater.
Now clean the filter ball again.
The Water storage temperature is lower (48°C) than a normal 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
Now handover the system to the end user, see page 6-8, fill in the warranty card on page 4 and online. Your system is now fully
commissioned, congratulations.
Starting the Unit
