Viessmann Vitocal 222-G User Manual page 162

Vitocal 200-S/222-S/242-S
Hydraulic installation scheme ID: 4605406_1304_03
44
45
42
49
----47/24--
43
WW
-2/212.3-
29
27 28
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
ID: 4605406_1304_03
Pos. Designation
Heat source
1 Internal unit, heat pump Vitocal 222-S, type AWT-AC 221.A / AWT-AC 221.B
or
Internal unit, heat pump Vitocal 242-S, type AWT-AC 241.A / AWT-AC 241.B
2 Heat pump control unit
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 Heating circuit expansion vessel
System examples
(cont.)
rU
3
15
--2/X3.3;3.4--
37
12
1
13
41
--47/24--
46
30
--47/5--
4
5 6
8
2
-8/145-
91
90
-105/20--76-
A1
--2/212.2--
96
61
60
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
105
-8/145-
71
--105/2--
73
70
M2
74
--74/20--
76
77
--105/52--
VIESMANN
167
5