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8 | Technical Characteristics and Dimensions
2.9
Technical characteristics
Technical characteristics
Power and flow
Nominal useful power
Minimum useful power
Useful power (adjustment range)
Nominal thermal flow
Minimum thermal flow
1)
Gas data
Supply pressure
Natural gas H
LPG (Butane/Propane)
Consumption
Natural gas H
LPG (Butane/Propane)
Number of injectors
Water data
Maximum permissible pressure
Temperature selector in fully clockwise position
Temperature rise
Flow range
Minimum operating pressure
Temperature selector in fully anti-clockwise position
Temperature rise
Flow range
3)
Combustion products
Minimum low pressure
Flow
Temperature
Table 5
1) Hi 15 °C - 1013 mbar - dry: Natural gas 34.02 MJ/m
LPG: Butane 45.65 MJ/kg (12.7 kWh/kg) - Propane 46.34 MJ/kg (12.9 kWh/kg)
2) Considering the water dilution effect this value must not be exceeded.
3) For nominal calorific power.
6 720 607 529 (2016/04)
2)
3
(9.5 kWh/m
Symbol
Units
Pn
Btu/h
Pmin
Btu/h
Btu/h
23905-
Qn
Btu/h
Qmin
Btu/h
G20
kPa
G30
kPa
G20
m3/h
G30
Kg/h
pw
psi
°C
l/min
pwmin
psi
°C
l/min
mbar
g/s
°C
3
)
WR11
WR14
65570
80595
23905
23905
23905 -
65570
80595
74450
92210
27660
27660
2
2
2,8
2,8
2,2
2,77
1,75
2,2
12
14
170
170
50
50
2 - 5,5
2,0 - 7
5,0
5,0
25
25
4 - 11
4 - 14
0,015
0,015
13
17
160
170
WR18
104165
23905
23905 -
104165
117825
27660
2
2,8
3,5
2,79
18
170
50
2,0 - 8,8
6,5
25
4 - 17,6
0,015
22
180
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