91
Gas boiler, type B and C, category I
2N
/I
2H
Type
B0HA
Rated heating output range (details to
EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas
kW
3.2 to 19.0
3.2 to 25.0
LPG
kW
3.2 to 19.0
3.2 to 25.0
T
F
/T
R
= 80/60 °C
Natural gas
kW
2.9 to 17.0
2.9 to 22.5
LPG
kW
2.9 to 17.0
2.9 to 22.5
Communication module
(integral)
WiFi frequency band
MHz
2400 to 2483.5
Max. transmission power
dBm
20
Low power radio frequency band
MHz
2400 to 2483.5
Max. transmission power
dBm
10
Supply voltage
V
24
Power consumption
W
4
Electronic temperature limiter setting (TN)
°C
91
Electronic temperature limiter setting
°C
110
Electronic flue gas temperature limiter setting
°C
110
Permissible ambient temperature
■
During operation
°C
+5 to +40
■
During storage and transport
°C
-5 to +60
Weight
■
Excl. heating water and packaging
kg
35
35
■
Incl. heating water
kg
41
41
Water capacity
(excl. diaphragm expansion ves-
sel)
l
3.0
3.0
Max. flow temperature
°C
82
82
Max. flow rate
(Limit for the use of hydraulic separation)
l/h
See residual head graph
Nominal circulating water volume
At T
F
/T
R
= 80/60 °C
l/h
752
988
Diaphragm expansion vessel
■
Capacity
l
8
8
■
Pre-charge pressure
bar
kPa
0.75
75
0.75
75
Permiss. operating pressure
bar
MPa
3
0.3
3
0.3
Connections (with connection accessories)
■
Boiler flow and return
G
¾
¾
■
Cold water and DHW
G
½
½
Dimensions
■
Length
mm
300
300
■
Width
mm
400
400
■
Height
mm
700
700
Gas connection
R
¾
¾
Specification
Gas condensing system boiler
(cont.)
6179762
Service
