|
Parameter
|
Norm-7.5
|
Norm-10
|
Norm-12.5/ Norm-12.5W
|
Norm-12.5/ Norm-12.5W
|
Norm-20/ Norm-20W
|
Norm-25/ Norm-25W
|
Norm-30/ Norm-30W
|
Gas burner type
|
GGU-9D
|
GGU-12D
|
GGU-15D
|
GGU-19D
|
GGU-24D
|
GGU-30D
|
GGU-35D
|
Automatic safety controls
|
630 EUROSIT
|
630 EUROSIT
|
630 EUROSIT
|
630 EUROSIT
|
630 EUROSIT
|
710 EUROSIT
|
710 EUROSIT
|
Rated heat capacity (kW)
|
7.5
|
10
|
12.5
|
16
|
20
|
25
|
30
|
Efficiency (%)
|
88*
|
88*
|
90*
|
90*
|
90*
|
90*
|
90*
|
Estimated area of heated premises (m2)
|
75**
|
100**
|
125**
|
160**
|
200**
|
250**
|
300**
|
Heat transfer medium volume in the heat exchanger (L)
|
16.5
|
16.5
|
24
|
24
|
45
|
43
|
43
|
Natural-gas consumption (m3/h) (maximum/average)
|
0.9/0.45***
|
1.2/0.6***
|
1.5/0.75***
|
1.9/0.95***
|
2.4/1.2***
|
3.0/1.5***
|
3.5/1.75***
|
Heat-transfer medium operating pressure (MPa)
|
0.1
|
0.1
|
0.3
|
0.3
|
0.3
|
0.3
|
0.3
|
Rated natural gas pressure (Pa)
|
1.300
|
1.300
|
1.300
|
1.300
|
1.300
|
1.300
|
1.300
|
Draft range within which stable boiler operation is maintained (Pa)
|
3–25
|
3–25
|
3–25
|
3–25
|
3–25
|
3–40
|
3–40
|
Minimum combustion-product temperature (°C)
|
110
|
110
|
110
|
110
|
110
|
110
|
110
|
Maximum outlet temperature of the heat-transfer medium (°C)
|
90
|
90
|
90
|
90
|
90
|
90
|
90
|
Chimney diameter (mm)
|
100
|
100
|
130
|
130
|
130
|
130
|
130
|
Specific hot-water flow at Δt=25°C (L/min)
|
–
|
–
|
–/4****
|
–/5****
|
–/6****
|
–/7****
|
–/8****
|
Connection dimensions of the nozzle at the interface with the gas-supply system (inches)
|
1/2"
|
1/2"
|
1/2"
|
1/2"
|
1/2"
|
1/2"
|
1/2"
|
Connection dimensions of the nozzles at the interface with the heating system (inches)
|
1 1/2"
|
1 1/2"
|
2"
|
2"
|
2"
|
2"
|
2"
|
Overall dimensions, mm (height/width/depth)
|
677/282/474
|
677/282/474
|
744/410/505
|
744/410/505
|
926/451/568
|
926/451/568
|
926/451/568
|
Maximum weight, kg (net, gross)
|
31, 33
|
31, 33
|
46/48, 48/50
|
46/48, 48/50
|
67/70, 69/73
|
71/74, 73/76
|
71/74, 73/76
|
