6 Start-up
14
Installation and maintenance instructions uniSTOR HP 0020221303_02
Condition
: Y plan
70
60 50
40
70
60 50
40
1
3
2
4
1
3
2
4
L
N
2
1
3
2
2
4
4
1
8
L
8L
8L
SL
1
▶
Connect the plug
(1)
to the electronics box.
5.3.9
Establishing the electrical connection for the
motorised valve
▶
Establish the electrical connection for the motorised
valve.
6
Start-up
6.1
Setting the immersion heater thermostat
70
60 50
40
70
60 50
40
1
3
2
4
1
3
2
4
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
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.
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.
6.4
Filling and purging the primary circuit
Note
The primary circuit can be filled using a filling
device or a separate filling cock, which is installed
at a location that is easily accessible.
The separate filling cock must be removed after
filling.
If a filling device is used, close the filling valve and
remove the filling device.
Legal requirements mean that you must not use a
separate filling tap. Use a pump.
1.
Move the lever to MAN OPEN and hold it in this posi-
tion.
2.
Flush out the primary 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.
Summary of Contents for uniSTOR HP VIH RW GB BES Series
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