115
Type BW
1-stage
2-stage
190
1120
2150
2180
2250
Dimensions
Total length
mm
880
880
880
880
880
Total width
mm
1280
1280
1920
2520
2520
Total height without pro-
gramming unit
mm
1560
1560
1560
1560
1560
Connections
Primary flow and return
DN
3
3
3
3
3
Heating flow and return
DN
2½
2½
2½
2½
2½
Weights
kg
720
820
1180
1240
1360
Sound emissions
(tested
with reference to
EN 12102/EN ISO 1914-2)
Assessed total sound power
level at
B0 °C (±3 K)/W35 °C (±5 K)
At rated heating output
dB(A)
61.5
63
63
64
65
Information regarding refrigerant
The EC safety datasheet for R410A can
be requested from the Technical Serv-
ices department of Viessmann Werke.
Specification, type WW 1125 to WW 2300
"Vitocal 300-W Pro installation
and service instructions, supple-
ments".
Specification
Specification, type BW 190 to BW 2250
(cont.)
5772 458 GB
Service