Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 65

DHW heating
DHW
eU
eW
eP
KW
w DHW interface (see system
examples)
X Solar interface or external heat
source (see system examples)
Required Equipment
Pos. Description
eP DHW cylinder
eW Cylinder temperature sensor
eE Cylinder primary pump (DHW side)
eR Plate heat exchanger
eT
Flow limiter
eZ Motorised two-way valve, normally closed
eU DHW circulation pump
Electrical connection
For further information regarding the
PCBs, see from page 220.
eT
M
eZ
eE
X
Preparing for installation
W
eR
KW Cold water
DHW DHW
65