Dhw Heating - Viessmann VITOCAL 300-G PRO Type BW 190 Installation And Service Instructions Manual

Preparing for installation

DHW heating

Type BW 190 to BW 2240 and WW 1125 to WW 2300
Hydraulic installation scheme
WW
32
--2/F6--
X
30
KW
W Heat pump interface
X Interface to the solar thermal sys-
tem or the external heat source
Required equipment
Pos. Designation
eP DHW cylinder
eW Cylinder temperature sensor
eE Cylinder primary pump (DHW side, fail-safe)
eR Plate heat exchanger
eT
Flow limiter
eZ Motorised 2-way valve, normally closed
Note
Permissible cylinder temperatures:
■ Top section:
Max. 50 °C
■ Average cylinder temperature:
45 °C
Size the plate heat exchanger eR in
accordance with the technical guide.
36
36
35
--
W
33
34
KW Cold water
WW DHW