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Specification
(cont.)
Gas boiler, type B and C, category II
Type
Rated heating output range (details to EN 15502)
T
/T
= 50/30 °C
F
R
Natural gas
LPG
T
/T
= 80/60 °C
F
R
Natural gas
LPG
Max. transmitting power
Low power radio frequency band
Max. transmitting power
Supply voltage
Power consumption
Electronic temperature limiter setting (TN)
Electronic temperature cut-out setting
Permissible ambient temperature
During operation
■
During storage and transport
■
Weight
Excl. heating water and packaging
■
Incl. heating water
■
Water capacity (excl. diaphragm expansion vessel)
Max. flow temperature
Max. flow rate
(Limit for the use of hydraulic separation)
Nominal circulating water volume
At T
/T
= 80/60 °C
F
R
Diaphragm expansion vessel
Capacity
Pre-charge pressure
Permiss. operating pressure
Connections (with connection accessories)
Boiler flow and return
Cold water and DHW
Dimensions
Length
Width
Height
Gas connection
Appliances for multiple connection of type B1HF-[kW]-M and B1KF-[kW]-M
*4
Appliances for multiple connection of type B1HF-[kW]-M and B1KF-[kW]-M
*1
2N3P
kW
kW
kW
kW
dB
m
MH
z
dB
m
V
W
°C
°C
°C
°C
kg
kg
l
°C
l/h
l/h
l
bar
kPa
bar
MP
a
R
G
mm
mm
mm
R
B1KF-26
B1KF-30
3.2 (5.7
) -
3.2 (5.7
*4
*1*4
25.0
25.0
3.2 - 25.0
3.2 - 25.0
2.9 (5.2
*1*4
) -
2.9 (5.2
*1*4
23.0
23.0
2.9 - 23.0
2.9 - 23.0
20
2400 - 2483.5
10
24
4
91
110
+5 to +40
-5 to +60
35
41
3.0
82
See residual head graphs
752
988
8
0.75
0.75
75
3
0.3
¾
½
360
360
400
400
700
700
¾
Specification
B1KF-35
) -
3.2 (5.7
) -
*1*4
32.0
3.2 - 32.0
) -
2.9 (5.2
*1*4
) -
29.3
2.9 - 29.3
35
35
41
41
3.0
3.0
82
82
1259
8
8
0.75
75
75
3
3
0.3
0.3
¾
¾
½
½
360
400
700
¾
¾
107
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