Hydraulic Connection, Heating Circuits - Viessmann KWT Vitocal 350-G Pro Series Installation And Service Instructions For Contractors

Preparing for installation
Hydraulic connection, external heat generator
Required equipment
Pos. Designation
1 Heat pump
2 Heat pump control unit
5 Secondary pump
6
Outside temperature sensor
7 Safety assembly, heating circuit
8 Expansion vessel
wP External heat generator
wQ Control unit, ext. heat generator
wW Outside temperature sensor
wE
System flow temperature sensor
wR System mixer, central heating
tP Heating water buffer cylinder
tQ Buffer temperature sensor, top
tW Buffer temperature sensor, bottom

Hydraulic connection, heating circuits

q-P
q-Q
M1
q-W
q-R
M
q-T
M
q-E
1 2 34
28
w-P
w-Q
M2
w-W
w-R
M
w-T
M
w-E
1 2 34
(cont.)
e-P
e-Q
M3
e-W
e-R
M
e-T
M
e-E
1 2 34