Viessmann Vitocal 350-A Installation And Service Instructions Manual page 42

Preparing for installation
System example 2
Pos. Description
Heating water buffer cylinder
tP Heating water buffer cylinder
tQ Buffer cylinder temperature sensor
Heating circuit without mixer (A1)
zP Radiator heating circuit
zQ Vitotrol remote control
zW Overflow valve
zE Heating circuit pump
Heating circuit with mixer (M2)
uP Underfloor heating circuit with directly controlled mixer motor
uQ Vitotrol 200 remote control
uW Overflow valve
uE Flow temperature sensor
uR Temperature limiter for limiting the maximum temperature of underfloor
heating systems
uT Heating circuit pump
uZ Mixer motor - three-way mixer
Heating circuit with mixer (M3)
iP Radiator heating circuit with mixer motor, controlled via KM BUS
iQ
Vitotrol 200 remote control
iW Heating circuit overflow valve
iE Flow temperature sensor
iR Extension kit for one heating circuit with mixer
iT Heating circuit pump
iZ
Mixer motor
Swimming pool
oP Swimming pool
oQ Thermostat for controlling the swimming pool temperature
oW Circulation pump for swimming pool water heating
oE
Plate heat exchanger
oR Three-way diverter valve
oT External extension H1
42
(cont.)