Viessmann B2TF - Flue System Types; Gas Categories

119
Gas boiler, type B and C, category II
2N3P
Type B2TF
Rated heating output range (details to EN 15502)
T
F
/T
R
= 50/30 °C (P(50/30))
Natural gas kW 1.9 - 19 1.9 - 25 1.9 - 32
LPG kW 2.5 - 19 2.5 - 25 2.5 - 32
T
F
/T
R
= 80/60 °C (Pn(80/60))
Natural gas kW 1.7 - 17.5 1.7 - 23 1.7 - 29.3
LPG kW 2.2 - 17.5 2.2 - 23 2.2 - 29.3
Standard seasonal efficiency [to DIN] at
T
F
/T
R
= 40/30 °C % Up to 98 (H
s
) [gross cv]
Energy efficiency class
– Heating A A A
– DHW heating, draw-off profile XL A A A
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 Type of flue system
AE, AM, AZ, BA, BG, BY, CH, CY, CZ, DK, EE, ES, FI,
FR, GB, GR, HR, HU, IE, IS, IT, KG, KZ, LI, LT, LU, LV,
MD, ME, MT, NL, NO, PL, PT, RO, RS, RU, SE, SK,
TR, UA, UZ
B
23
, B
23P
, B
33
, C
13
, C
33
, C
53
, C
63
, C
83
, C
83P
, C
93
BE B
23
, B
23P
, B
33
, C
13
, C
33
, C
53
, C
83
, C
83P
, C
93
DE, SI B
23
, B
23P
, B
33
, C
13X
, C
33X
, C
53X
, C
63X
, C
83X
, C
93X
Gas categories
Available in the following countries Gas categories
AE, LU, AM, DK, EE, KG, LV, RO, RU, SE AZ, BA, BG,
BY, CH, CZ, ES, FI, GB, GR, HR, IE, IS, KZ, IT, LI, LT,
MD, ME, NO, PT, RS, SI, SK, TR, UZ HU, MT, UA
II
2N3P
/II
2H3P
BE I
2N
DE, FR II
2N3P
CY I
3P
NL II
2EK3P
PL II
2N3P
/II
2ELw3P
Specification
Specification (cont.)
6151778
Service