Viessmann Vitotwin 300-W - Page 9

9
HV2/HR1 Heating water flow,
Vitotwin 300-W
HR2 Heating water flow, heating
circuit
HR3 Heating water return, heat-
ing circuit
KW Cold water
E Drain
HVS/HRS Heating water return,
Vitotwin 300-W
Equipment required
Pos. Designation
1
Vitotwin 300 W
with
2
Weather-compensated control unit
2B
Junction box for sensors and accessories (low voltage)
3A
Remote control unit FBE
3B
Wireless base station FB
4
Outside temperature sensor ATS
5
Cylinder temperature sensor STS B3
6
Buffer temperature sensor PTSO B4, top
7
Sensor for power demand function B41
8
Buffer temperature sensor PTSU B42, bottom
DHW heating
wP
Multi mode heating water buffer cylinder with integral DHW heating
Vitocell 340-M
wQ
DHW circulation pump CP (electrical connection on site)
wW
Automatic thermostatic mixing valve
rP
Heating circuit 1 with mixer
rQ
Extension kit for one heating circuit with mixer with integral mixer motor
and
rW
Flow temperature sensor heating circuit M1
rE
Heating circuit pump, heating circuit M1
rR
3-way mixer
or
Divicon (with 3-way mixer and heating circuit pump)
tP
Heating circuit 2 with mixer
tQ
Extension kit for one heating circuit with mixer with integral mixer motor
and
tW
Flow temperature sensor, heating circuit M2
tE
Heating circuit pump, heating circuit M2
tR
3-way mixer
or
Divicon (with 3-way mixer and heating circuit pump)
Preparing for installation
Preparing for installation
(cont.)
5618 294 GB
Installation