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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 (P(50/30))
F
R
Natural gas
LPG
T
/T
= 80/60 °C (Pn(80/60))
F
R
Natural gas
LPG
Supply voltage
Power consumption
Permissible ambient temperature
During operation
■
During storage and transport
■
Electronic temperature limiter setting
(TN)
Electronic temperature cut-out setting
Weight excl. heating water
Permiss. operating pressure, heating wa-
ter side (PMS)
Weight
Excl. heating water and DHW
–
Incl. heating water and DHW
–
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
Expansion vessel
Capacity
Pre-charge pressure
Permiss. operating pressure
Connections (with connection accessories)
Boiler flow and return
Cold water and DHW
DHW circulation
Dimensions
Length
Width
Height
Gas connection (with connection accesso-
ries)
2N3P
kW
kW
kW
kW
V DC
W
°C
°C
°C
°C
kg
bar
MPa
kg
kg
l
°C
l/h
l/h
l
bar
kPa
bar
MPa
R
R
R
mm
mm
mm
R
B2TF
1.9 - 19
1.9 - 25
2.5 - 19
2.5 - 25
1.7 - 17.5
1.7 - 23
2.2 - 17.5
2.2 - 23
24
4
+5 to +35
-5 to +60
91
110
111.5
3
0.3
111.5
111.5
3.0
3.0
82
82
See residual head graphs
818
1076
18
18
0.75
0.75
75
75
3
0.3
0.3
¾
½
½
595
595
600
600
1400
1400
½
Specification
1.9 - 32
2.5 - 32
1.7 - 29.3
2.2 - 29.3
111.5
3.0
82
1374
18
0.75
75
3
3
0.3
¾
¾
½
½
½
½
595
600
1400
½
½
117
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