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15.5 Manual start of electric heater
The electric heater can be turned on manually with pressing the
button once. The display will show the
following status:
In the right top corner, the
icon is shown, which inform us that the electric heater is turned on. When
electric heater is manually turned on, we also need to manually turn it off.
When the electric heater is turned on and the unit is also turned on, the water is heated with both the electric
heater and compressor. When the unit is turned off, the water is heated only by the electric heater.
15.6 Malfunctions – error notification
In case of unit error, the display will show:
You can find the List of errors with description in these manual under paragraph »Troubleshooting and solutions«
15.7 Antilegionella program settings
This program enables regular water heating in tank above standard set temperature and kills potentially harmful
microbes in the water tank.
Program has a settable period in how many days the program will be repeated. The period can be set under
parameter number "10". This period means in how many days after one cycle, the new cycle will start. During
cycle, unit will heat the water in the tank up to set temperature under parameter number "4". When the set
temperature (parameter 4) in the tank is reached, the unit will maintain this temperature for a set time under
parameter number "5". After that time, the unit will start its normal heating cycle until the next start of the
antilegionella program.
When the antilegionella program starts, the compressor and electric heater will work in parallel.
In the bottom part of the tank, there is an electric heater with 1800W nominal power installed. This heater has
many functions. One is to help the compressor during the antilegionella program and reach desired temperatures
which can be higher than 60°C. In this application the electric heater is turned on automatically when the water
temperature reaches set parameter number "2".
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