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6 Start-up
5.3.9
Connecting the 2-port motorised valve to the
power supply
▶
Connect the 2-port motorised valve; to do this, see the
instructions for the control or multi-functional module.
6
Start-up
6.1
Setting the immersion heater thermostat
1
The domestic hot water temperature is controlled via the
immersion heater thermostat (1).
Condition: Without a multi-functional module or control
▶
Set the domestic hot water temperature as desired.
Condition: With multi-functional module or control
▶
Set the immersion heater thermostat (1) to its maximum.
The temperature of the immersion heater is regulated via
the temperature sensor that is installed on the carrier in the
electronics box.
6.2
Cold water inlet pressure
The product's efficiency depends on the cold water inlet
pressure.
To achieve optimum efficiency, we recommend a pressure of
at least 2 bar.
6.3
Setting the thermostatic mixing valve
▶
During initial start-up, set the maximum value.
6.4
Filling and purging the product
Note
It is not permitted to use valves or expansion relief
valves for the purging.
1.
Check whether the drain valve is closed.
2.
Open the domestic hot water draw-off valves.
3.
Open the water supply valve.
4.
Open the manual air separator at the top of the cylinder.
5.
Let the water flow in order to remove any air bubbles.
6.
Close the manual air separator as soon as all of the air
has escaped.
7.
Close the domestic hot water draw-off valves.
14
1
3
2
4
70
40
60 50
8.
Check whether there are any leaks. Check the immer-
sion heater in particular.
9.
Open the highest hot water supply valve, and then the
lowest hot water supply valve, and let the water flow.
–
Water running time: ≥ 5 min
10. Close all of the draw-off valves.
6.5
Filling and purging the heating circuit
Note
The heating circuit can be filled using a filling
device or a separate filling tap, which is installed
at a location that is easily accessible.
The separate filling tap must be removed after
filling.
If a filling device is used, close the filling valve and
remove the filling device.
If you are not permitted to use a separate filling
tap due to legal provisions, use a pump.
1.
Move the lever on the 2-port motorised valve to MAN
OPEN and hold it in this position.
2.
Flush out the heating circuit and then fill and purge it.
Consult the installation instructions for the heat gener-
ator.
3.
Move the lever to AUTO.
4.
Remove the cover for the electrics.
5.
Set the product's thermostat and the immersion heater's
thermostat.
–
Setting the thermostats: 60 ℃
6.
Start up the heat generator.
7.
Drain the heating circuit as soon as the operating
temperature has been reached in order to remove any
residue from the heating installation.
8.
Fill and purge the heating circuit. Consult the installation
instructions for the heat generator.
6.6
Filling and purging the solar circuit
▶
Consult the solar installation instructions.
7
Handing the product over to the end
user
▶
Once the installation is complete, show the user the loca-
tion and function of the safety devices.
▶
Inform the end user how to handle the product.
▶
In particular, draw attention to the safety warnings which
the end user must follow.
▶
Inform the end user of the necessity to have the product
maintained according to the specified intervals.
Installation and maintenance instructions auroSTOR 0020221298_04
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