Viessmann Vitocal 222-G User Manual page 231

Vitocal 300-A/350-A
Equipment required
ID: 4605095_1304_06
Pos. Designation
1 Heat pump Vitocal 300/350-A
2 Heat pump control unit Vitotronic 200, type WO1B
with electrical connecting cables
3 Outside temperature sensor ATS
5 – For type AWCI: 3-way diverter valve for "Central heating/DHW heating"
or
– For type AWO/AWHO: Circulation pump for cylinder heating UPSB
6 Secondary pump
7 Flow temperature sensor (integral for type AWCI/AWHI) VTS
qW Safety equipment block with safety assembly
qE Expansion vessel
qR High limit safety cut-out STB 70 °C for switching off the secondary pump
qT
Flow switch
External heat source
tP External heat source (oil/gas boiler) with Vitotronic 200, type KO1B, KO2B or KW6B
tQ External EA1 extension for oil/gas boilers
tW Circulation pump for cylinder heating UPSB
tE Boiler water temperature sensor KTS in the external heat source for connection to the heat
pump
tR 3-way mixer
Mixer motor of 3-way mixer
tT High limit safety cut-out STB 70 °C for switching off the external heat source
tZ Contactor relay K1
tU Contactor relay K2
DHW heating (cylinder loading system)
eP DHW cylinder
eQ Cylinder temperature sensor STS
eE
Cylinder loading pump SLP
eR Plate heat exchanger
eT Flow limiter
eZ 2-way motorised valve
eU DHW circulation pump ZP
eI Heating lance
Heating water buffer cylinder
zP Heating water buffer cylinder
zQ Buffer temperature sensor PTS
zW Flow temperature sensor system VTS
– As immersion temperature sensor
or
– As contact temperature sensor
Heating circuit without mixer A1
oP Radiator heating circuit A1
oZ Heating circuit pump A1
Heating circuit with mixer M2
uP Underfloor heating circuit M2 with mixer controlled by the heat pump control unit
uE Flow temperature sensor heating circuit M2 VTS
uR Temperature limiter to restrict the maximum temperature of underfloor heating systems
– As immersion thermostat
7
or
– As contact thermostat
uZ Heating circuit pump M2
uU 3-way mixer, heating circuit M2
Mixer motor of 3-way mixer
Heating circuit with mixer M3
q-P Radiator heating circuit M3 controlled via the KM BUS of the heat pump control unit
q-E Flow temperature sensor heating circuit M3 VTS
q-T Extension kit, heating circuit M3
q-Z Heating circuit pump M3
q-U 3-way mixer, heating circuit M3
Mixer motor of 3-way mixer
VIESMANN
236
(cont.)
Part no.
See Viessmann pricelist
Standard delivery pos. 1
See Viessmann pricelist
Standard delivery
Standard delivery pos. 1
(for type AWHI 7814 924)
See Viessmann pricelist
See Viessmann pricelist
(for type AWCI standard delivery)
Standard delivery pos. 1
7143 779
See Vitoset pricelist
on site
Standard delivery pos. 1
See Viessmann pricelist
7452 091
See Viessmann pricelist
7170 965
See Viessmann pricelist
See Viessmann pricelist
on site
7814 681
7814 681
See Viessmann pricelist
7170 965
7820 403
See Viessmann pricelist
on site
7180 573
on site
See Viessmann pricelist
See Viessmann pricelist
7170 965
7170 965
7426 133
See Vitoset pricelist
on site
See Vitoset pricelist
7183 288
7151 728
7151 729
on site
See Viessmann pricelist
7450 657
See Vitoset pricelist
Standard delivery pos. 105
7301 062 or 7301 063
on site
See Viessmann pricelist
7450 657
System examples