Flue System Types; Gas Categories - Viessmann B0KA Installation And Service Instructions Manual

Specification
Gas condensing combi boiler
Gas boiler, type B and C, category I
Type
Rated heating output range (details to EN 15502)
T /T = 50/30 °C
F R
Natural gas
T /T = 80/60 °C
F R
Natural gas
Max. amount of condensate
To DWA-A 251
Condensate connection (hose nozzle)
Flue gas connection
Ventilation air connection
Standard seasonal efficiency [to DIN] at
T /T = 40/30 °C
F R
Energy efficiency class
Note
The supply values are only for reference (e.g. in the
gas contract application) or for a supplementary, rough
estimate to check the volumetric settings. Due to fac-
tory settings, the gas pressure must not be altered
from these values. Reference: 15 °C, 1013 mbar
(101.3 kPa).

Flue system types

Available in the following countries
AE, AM, AZ, BA, BG, BY, CH, CY, CZ, DK, EE, ES, FI,
FR, GB, GR, HR, HU, IE, IS, IT, KG, KZ, LT, LV, MD,
ME, MT, NL, NO, PL, PT, RO, RS, RU, SE, SK, TR, UA,
UZ
AU, BE, NZ
DE, LU, SI
CN

Gas categories

Available in the following countries
AE, AM, AZ, BA, BG, BY,CY, CZ, DK, EE, ES, FI,
GB, GR, HR, IE, IT, IS, KG, KZ, LT, LU, LV, MD,
ME, MT, NO, PT, RO, RS, RU, SE, SK, TR, UA,
UZ
AM, AZ, BY, MD, KG, KZ, RU, UA, UZ
Appliances for multiple connection of type B0KA-[kW]-M
*1
Only for specifically marked appliances.
*3
90
(cont.)
/I
2N 2H
kW
kW
l/h
Ø mm
Ø mm
Ø mm
%
Flue system types
B , B
23
(C , C
43
B , B
23
(C , C
43
B , B
23
(C , C
43
C13
Gas categories
I /I
2N 2H
I /I
2N 2H
3.2 (7.0 ) - 19.0
*1
2.9 (6.3 *1 ) - 17
20 - 24
Up to 98 (H
, B , C , C , C , C
23P 33 13 33 53 63
, C , C , C , C
43P (10)3 (11)3 (13)3
, B , C , C , C , C
23P 33 13 33 53 83
, C , C , C , C
43P (10)3 (11)3 (13)3
, B , C , C , C , C
23P 33 13X 33X 53X
, C , C , C , C
43P (10)3 (11)3 (13)3
2N/2H - G 20 - 20 mbar
2N/2H - G 20 - (13) 20
mbar
B0KA
BPKA
3.2 (7.0 ) - 25.0
*1
2.9 (6.3 *1 ) - 22.5
3.8 4.4
20 - 24
60 60
100 100
) [gross cv]
s
A A
, C , C , C
83 83P 93
)
*3
(14)3
, C , C
83P 93
)
*3
(14)3
, C , C
63X 83X 93X
)
*3
(14)3