Viessmann Vitocal 300 AWO-M-AC 301.A, Installation And Service Instructions Manual

Page: 29 / 152

29
Pos. Designation
Heating water buffer cylinder
zP Heating water buffer cylinder
zQ Buffer temperature sensor
zW System flow temperature sensor
Heating/cooling circuit with mixer M2/HC2
uP Underfloor heating circuit with directly controlled mixer motor
uQ Vitotrol 200A remote control
uE Flow temperature sensor
uR Temperature limiter to limit the maximum temperature of underfloor heating
systems
■ as immersion thermostat or
■ as contact thermostat
uZ Heating circuit pump
uU Mixer motor in 3-way mixer
Active cooling function (AC) via heating/cooling circuit M2/HC2
iE Contact humidistat (on site)
iU 3-way diverter valve for "heating/cooling" in the secondary circuit return
iI 3-way diverter valve for "heating/cooling" in the secondary circuit flow
Heating circuit without mixer A1/HC1
oP Radiator heating circuit
oQ Vitotrol 200A remote control
oZ Heating circuit pump
Heating circuit with mixer M3/HC3
q-P Radiator heating circuit controlled via KM BUS of heat pump control unit
q-Q Vitotrol 200A remote control
q-E Flow temperature sensor
q-T Extension kit for 1 heating circuit with mixer
q-Z Heating circuit pump
q-U Mixer motor in 3-way mixer
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 63 and the separate
service instructions for the
Vitotronic 200 heat pump control unit. For information regarding the power sup-
ply, see page 97.
Preparing for installation
System example 1, ID: 4605093_1006_01
(cont.)
5692 875 GB
Installation