Viessmann Vitocal 222-G User Manual page 173

Vitocal 200-S/222-S/242-S
Hydraulic installation scheme ID: 4605497_1304_01
WW
--2/212.3--
wO
wU wI
KW
Note: This scheme is a general example without shut-off valves or safety equipment. This does not replace the need for on-site engineering.
Equipment required
5
ID: 4605497_1304_01
Pos. Designation
Heat source
1 Heat pump Vitocal 222-S, type AWT-AC.221.A0
2 Heat pump control unit Vitotronic 200, type WO1C
3 Outside temperature sensor ATS
4 Instantaneous heating water heater with switching module (integral)
5 3-way diverter valve "Heating/DHW" (integral)
6 Secondary pump (integral)
qW Safety assembly
qE Expansion vessel, heating circuit
Primary circuit
wU Hot gas line
wI Liquid line
wO External unit of the Vitocal 222-S heat pump
DHW heating
eP
DHW cylinder (integral)
eQ Cylinder temperature sensor STS (integral)
eU Connection set for DHW circulation pump
Heating circuit for supply air heating
oP Heating circuit for supply air heating via Vitovent 300-F
oW Heating water buffer cylinder
oE Hydraulic reheater coil
oR Frost stat
oU Electric preheater coil (optional)
VIESMANN
178
(cont.)
3
oQ
eU
--2/145--
1
oU
oP
A1
oE
eP
oW
qE
564 --2/X3.8;3.9--
oR
2
qW
Part no.
See Viessmann pricelist
Standard delivery pos. 1
Standard delivery pos. 1
Standard delivery pos. 1
Standard delivery pos. 1
Standard delivery pos. 1
Standard delivery pos. 1
See Vitoset pricelist
See Viessmann pricelist
See Viessmann pricelist
Standard delivery pos. 1
Standard delivery pos. 1
Standard delivery pos. 1
7440 932
See Viessmann pricelist
7502 407
7502 405
7179 164
7502 406
System examples