Caution!
b
Risk of damage due to corrosion.
If plastic pipes that pass oxygen are used
in the heating installation, this may corrode
or sludge up the appliance's heating circuit
or the appliance itself.
If you use plastic pipes that pass oxygen
•
in the heating installation, add a
corrosion inhibitor to the circuit water.
3
4
2
1
6
Key
1
Connector G1"
2
Connector G1"
3
Connector G1"
4
Connector G1"
5
Connector G1"1/4
6
Connector G1"1/4
∙ Only use the original seals supplied with the appliance.
∙ Connect the heating circuit as specifi ed.
4.4
Different confi gurations
4.4.1
Case No 1 - Parallel buffer for boiler &
Heatpump
2
2
1
1
0020153953_02 - 07/13 - Vaillant
MOUNTING AND INSTALLATION
4.4.2
Case No 2 - Parallel buffer for Heatpump
1
4
1
4.4.3
Case No 3 - Series buffer for Heatpump
5
1
4
4
4
1
4.4.4
Case No 4 - Parallel (boiler) & series
buffer (Heatpump)
2
2
4
1
1
Key
1
Heat pump
3
2
Boiler
3
Heating
4
Plug
3
3
3
3
3
4
3
4
3
EN
19