Viessmann B2HF - Page 128

128
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
Supply values
relative to max. load
With gas
Natural gas E
m
3
/h
2.89 3.35 3.69
Natural gas LL
m
3
/h
3.36 3.90 4.29
LPG kg/h 2.12 2.46 2.71
Flue gas values
Mass flow rate (for DHW heating)
■
For natural gas kg/h 49.3 57.3 62.1
■
For LPG kg/h 49.2 57.1 61.1
Temperature (for DHW heating) °C 70 74 77
Max. temperature °C 120 120 120
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 Flue system types
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.)
5593201
Service