Connecting The Hot And Cold Water (Vuw Boiler); Connecting The Domestic Hot Water Cylinder; Connecting The Heating Flow And Heating Return; Vuw Boiler - Vaillant ecoTEC VU Installation And Maintenance Instructions Manual

6 Hydraulic installation
6.2 Connecting the hot and cold water (VUW
boiler)
6.1 Fitting the hot and cold water connection
> Make the domestic hot and cold water connections as
shown.
> Ensure correct water pressure and flow requirements
and that any expansion can be accommodated with the
cold supply pipe work (¬ section 2.4.7).
6.3

Connecting the domestic hot water cylinder

> When connecting the domestic hot water cylinder to the
ecoTEC, follow the ¬ installation instructions for the
domestic hot water cylinder.
22
6.4 Connecting the heating flow and heating
return
6.4.1

VUW boiler

6.2 Fitting the heating flow and heating return (VUW boiler)
> Make the water connections as shown.

6.4.2 VU boiler

6.3 Fitting the heating flow and heating return (VU boiler)
> Make the water connections as shown.
Installation and maintenance instructions ecoTEC 0020173113_01