Different Confi Gurations - Vaillant VWZ MPS 40 Installation Instructions Manual

b
Caution!
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 inhib-
itor 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_00 - 01/13 - Vaillant
MOUNTING AND INSTALLATION
4.4.2 Case No 2 - Parallel buffer for Heatpump
1
4
1
5
4.4.3 Case No 3 - Series buffer for Heatpump
1
4
4
4
1
4.4.4 Case No 4 - Parallel (boiler) & series
buffer (Heatpump)
2
2
4
1
1
Key
3
1 Heat pump
2 Boiler
3 Heating
4 Plug
3
3
3
3
3
4
3
4
3
EN
19