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Installation
82
Burner and nozzle characteristics table
1 Natural Gas G20
AUX
SR
UR-3c
Rated heating capacity (kW)
1.05
1.8
3.9
Nozzle diameter (1/100 mm)
72
97
135
Pre-chamber (printed on nozzle)
(X)
(Z)
(S)
Reduced flow rate (W)
400
500
1600
2 Natural Gas G20
AUX
SR
UR-3c
Rated heating capacity (kW)
1.05
1.8
3.9
Nozzle diameter (1/100 mm)
72
94
133
Pre-chamber (printed on nozzle)
(X)
(Z)
(S)
Reduced flow rate (W)
400
500
1600
3 Natural Gas G25
AUX
SR
UR-3c
Rated heating capacity (kW)
1.05
1.8
3.9
Nozzle diameter (1/100 mm)
72
94
145
Pre-chamber (printed on nozzle)
(F1)
(Y)
(F3)
Reduced flow rate (W)
400
500
1600
4 Natural Gas G25.1
AUX
SR
UR-3c
Rated heating capacity (kW)
1.05
1.8
3.9
Nozzle diameter (1/100 mm)
77
100
148
Pre-chamber (printed on nozzle)
(F1)
(Y)
(F3)
Reduced flow rate (W)
400
500
1600
5 Natural Gas G25
AUX
SR
UR-3c
Rated heating capacity (kW)
1.05
1.8
3.9
Nozzle diameter (1/100 mm)
77
100
152
Pre-chamber (printed on nozzle)
(F1)
(Y)
(F3)
Reduced flow rate (W)
400
500
1600
6 Natural Gas G27
AUX
SR
UR-3c
Rated heating capacity (kW)
1.05
1.8
3.9
Nozzle diameter (1/100 mm)
77
105
158
Pre-chamber (printed on nozzle)
(F1)
(Y)
(F3)
Reduced flow rate (W)
400
500
1600
7 Natural Gas G2.350
AUX
SR
UR-3c
Rated heating capacity (kW)
1.0
1.8
3.9
Nozzle diameter (1/100 mm)
94
120
210
Pre-chamber (printed on nozzle)
(Y)
(Y)
(H3)
Reduced flow rate (W)
400
500
1600