Connecting To The Heating System; Fitting The Unvented Kit; Use In Hard Water Areas - Worcester GREENSOURCE 6 kW Installation Manual

Connecting to the heating system

Fitting the unvented kit

Parts to assemble:
Expansion vessel
Expansion vessel hose
Wall mounting kit for expansion vessel
Filling loop with valve
Connection:
Mount the expansion vessel with the wall mounting kit. Connect the
expansion vessel hose to the expansion vessel.
Connect the expansion vessel and inlet control set externally to the
appliance in line with G3 regulations. We recommend that this be positio-
ned above the HWDU.
The blending balve should be fi tted between the cold and the DHW outlet
to the tap.

Use in hard water areas

Normally there is no need for water treatment to prevent scale formation.
In areas where temporary water hardness exceeds 200ppm, consideration may need to be given to the fi tting of a scale
prevention device. In such circumstances the advice of the local water authority should be sought.
High fl ow rate inlet control set
Tundish - factor y fi tted
Tundish - 15mm x 22 mm supplied
separately
Blending valve
The relief valve connections should
not be used for other purpose.
15
Connecting to the heating system
Note