
7
20190798
GB
Technical description of the burner
3.3
Technical data
Tab. B
(1)
Reference conditions: Ambient temperature 20°C - Gas temperature 15°C - Barometric pressure 1013 mbar - Altitude 0 m a.s.l.
(2)
Pressure at test point 11)(Fig. 4 on page 10) with zero pressure in combustion chamber and at maximum burner output.
(3)
Sound pressure measured in manufacturer's combustion laboratory, with burner operating on test boiler and at maximum output. The sound power
is measured using the "Free Field" method, required by EN 15036 standard, and according to an “Accuracy: Category 3” measurement, as
described in EN ISO 3746.
3.4
Electrical data
Tab. C
Model
RS 250/M MZ
Power
(1)
Max.
kW
Mcal/h
1250 - 2650
1075 - 2279
Min.
kW
Mcal/h
600
516
Fuels
Natural gas: G20 (methane gas) - G25
Gas pressure at max. output
(2)
Gas: G20/G25
mbar
35/50.7
Operation
–
On-Off (1 stop min each 24 hours)
–
Progressive two-stage or modulating by kit (see Accessoires)
Standard applications
Boilers: water, steam, diathermic oil
Ambient temperature
°C
0 - 40
Combustion air temperature
°C max
60
Noise levels
(3)
Sound pressure
Sound power
dB(A)
83
94
Weight complete with its packaging
kg
101
Approval
GB/T 36699
Model
RS 250/M MZ
Main electrical supply
3 ~ 400 V +/-10% 50 Hz
Fan motor IE3
rpm
V
kW
A
2935
230/400
5.5
17.7/10.2
Ignition transformer
V1 - V2
I1 - I2
230 V - 1 x 8 kV
1 A - 20 mA
Absorbed electric power
kW max
5500
Protection level
IP 44
Содержание 20190698
Страница 2: ...Translation of the original instructions...
Страница 40: ...20190798 38 GB Appendix Electrical panel layout 0 0 1 1 2 34 5 6 7 8 5 1 9 7 6 8 7 7 7 7 6 6 0 1 0...
Страница 43: ......