Viessmann B2HF - Specification

125
Gas condensing system boiler (type B2HF)
Rated heating output range (details to EN 15502)
T
F
/T
R
= 50/30 °C (P(50/30))
Natural gas kW 1.9 - 11 1.9 - 19 1.9 - 25 1.9 - 32
LPG kW 2.5 - 11 2.5 - 19 2.5 - 25 2.5 - 32
T
F
/T
R
= 80/60 °C (Pn(80/60))
Natural gas kW 1.7 - 10.1 1.7 - 17.5 1.7 - 23 1.7 - 29.3
LPG kW 2.2 - 10.1 2.2 - 17.5 2.2 - 23 2.2 - 29.3
Rated heating output for DHW heating
Natural gas kW 1.7 - 17.5 1.7 - 17.5 1.7 - 23 1.7 - 29.3
LPG kW 2.2 - 17.5 2.2 - 17.5 2.2 - 23 2.2 - 29.3
Rated heat input (Qn)
Natural gas kW 1.8 - 10.3 1.8 - 17.8 1.8 - 23.4 1.8 - 29.9
LPG kW 2.3 - 10.3 2.3 - 17.8 2.3 - 23.4 2.3 - 29.9
Rated heat input for DHW heating (Qnw) kW 17.8 17.8 23.4 29.9
Product ID CE-0085CT0017
IP rating IP X4 to EN 60529
NO
X
Cate-
gory
6 6 6 6
Gas supply pressure See type plate
Max. permiss. gas supply pressure
*3
See table "Supply pressure" (Commission-
ing ...)
Rated voltage V 230
Rated frequency Hz 50
Appliance protection A 6.3
Backup fuse (power supply) A 16
RF module (integral)
WiFi frequency band MHz 2400 - 2483.5
Max. transmitting power dBm 17
Zigbee frequency band MHz 2400 - 2483.5
Max. transmitting power dBm 10
Supply voltage V 24
Power consumption W 4
Power consumption (delivered condition) W 37 47 68 92
Permissible ambient temperature
■
During operation °C +5 to +40
■
During storage and transport °C -5 to +65
Electronic temperature limiter setting (TN) °C 91
Setting of electronic temperature limiter °C 110
Weight
■
Without heating water kg 33.0 33.0 33.0 33.0
■
Incl. heating water kg 38.6 38.6 38.6 38.6
Permiss. operating pressure (PMS) bar
MPa
3
0.3
3
0.3
3
0.3
3
0.3
Max. DHW temperature °C 70 70 70 70
Dimensions
Length mm 360 360 360 360
*3
If the gas supply pressure is higher than the maximum permissible value, install a separate gas pressure governor up-
stream of the system.
Specification
Specification
5593201
Service