Sound Transmission Data - Viessmann Vitocal 350-A AWHO 351.A Series Installation And Service Instructions Manual

Sound transmission data

Type AWHI 351.A (heat pumps installed indoors, 400 V appliances)
Type
Sound power level L
W
A-weighted total sound power level in heating mode at
A7 ± 3 K /W35 ± 1 K , corner installation
Inside installation room
Fan stage 1
■
Fan stage 2 (= night mode)
■
Fan stage 3
■
External, intake side
Fan stage 1
■
Fan stage 2 (= night mode)
■
Fan stage 3
■
External, discharge side
Fan stage 1
■
Fan stage 2 (= night mode)
■
Fan stage 3
■
Type AWHO 351.A (heat pumps installed outdoors, 400 V appliances)
Type
Sound power level L
W
A-weighted total sound power level in heating mode at
3 K 1 K
A7 ± /W35 ±
Fan stage 1
■
Fan stage 2
■
(= night mode)
Fan stage 3
■
Note
Test of the total sound power level with reference to
EN ISO 12102/EN ISO 9614-2, accuracy category 2
and in accordance with the guidelines of the EHPA
quality seal
AWHI 351.A10
dB(A) 48
dB(A) 48
dB(A) 48
dB(A) 45
dB(A) 46
dB(A) 49
dB(A) 39
dB(A) 43
dB(A) 48
AWHO 351.A10 AWHO 351.A14 AWHO 351.A20
dB(A) 54
dB(A) 54
dB(A) 56
Specification
AWHI 351.A14 AWHI 351.A20
49
49
50
48
48
53
45
48
52
56
57
59
55
56
57
54
56
56
51
54
54
61
63
63
135