Viessmann Vitosol 222-T Installation And Service Instructions For Contractors page 27

Installing the DHW cylinder
3.
B
4.
C
B
Connection piece
C Safety valve (T&P valve)
Discharge pipe to drainage system
connection
D Fill valve
KW Cold water, G ½
(seal with braided sealing tape)
Connect the DHW cylinder to the DHW
supply (pipes on site). Thermally insulate
the pipes.
(cont.)
WW
HVs
5.
Installation sequence
HRs
KW
D
WW Domestic hot water, G ½
(seal with braided sealing tape)
HVs Heating water flow, solar thermal
system, G ½
HRs Heating water return, solar thermal
system, G ½
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