Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 126

Specification
Specification
(cont.)
Type AWT-AC
Sound power of external unit at rated
heating output
(measurements with reference to EN 12102/
EN ISO 9614-2)
Weighted total sound power level
At A7 ± 3 K /W55 ± 5 K
■
3 K 5 K in night mode dB(A)
At A7 ± /W55 ±
■
Energy efficiency class to EU
Regulation no. 811/2013
Heating, average climatic condi-
tions
Low temperature applications
■
(W35)
Medium temperature applica-
■
tions (W55)
DHW heating
Draw-off profile XL
■
126
221.B10
dB(A)
221.B13
61 65
60 60
A ++ A ++
A ++ A ++
A A
221.B16
69
60
A ++
A ++
A