Viessmann Vitocal 300-G Installation And Service Instructions Manual page 57

System example 3, ID: 4605352_1008_01
Pos. Description
rW Collector temperature sensor KOL
rE Solar collector
rR Cylinder temperature sensor STS (for connection to solar control unit rQ)
rT High limit safety cut-out STB solar
Heating water buffer cylinder
tP Heating water buffer cylinder
tQ Buffer temperature sensor PTS
Heating circuit with mixer M2
zP Underfloor heating circuit with mixer M2
zQ Vitotrol 200A remote control
zE Flow temperature sensor VTS M2
zR Temperature limiter to limit the maximum temperature of underfloor heating
systems
zZ Mixer motor (regulated by control unit 4)
zU Heating circuit pump, UP M2
Natural cooling function (NC)
uP NC-Box with mixer
zI 3-way diverter valve
uQ Primary cooling circuit pump
uW Secondary cooling circuit pump
uE Contact humidistat
uR 3-way diverter valve
uT 2-way valve
Heating circuit without mixer A1
iP Radiator heating circuit
iQ Vitotrol 200A remote control
iE
Heating circuit pump, UP A1
Heating circuit with mixer M3
oP Radiator heating circuit
oQ Vitotrol 200A remote control
oE
Flow temperature sensor VTS M3
oT Extension kit for heating circuit with mixer
oZ Heating circuit pump, UP M3
oU
Mixer motor M3
Swimming pool
q-P Swimming pool
q-Q Thermostat for controlling the swimming pool temperature TST
q-W Circulation pump for swimming pool heating UP
q-E Plate heat exchanger
Preparing for installation
(cont.)
57