Strebel S-FX 125, Installation Operating & Maintenance Manual

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9
3.1.1 T
ECHNICAL SPECIFICATIONS DATASHEET
GENERAL
Product identification number: CE 0085CL0441
Gas Appliance Type
B23
Boiler Model S-FX 70 S-FX 125 S-FX 220 S-FX 320
Classification II2H3P II2H3P II2H3P II2H3P
Water Content litre 166 265 386 530
Weight (empty) kg 180 280 400 500
Flow Connection inch / F R 1
¼”
R 1
¼” R 2”
DN65 PN16
Return Connections inch / F R 1
¼”
R 1
¼” R 2”
DN65 PN16
Gas Connection inch
R ¾”
R 1
” R 1” R 1”
Flue Exhaust Connection mm 80 100 160 200
HEATING Values min-max:
Nominal Input (net) kW 14.0 - 65.5 23.0 - 116.0 41.0 - 207.0 62.0 - 299.0
Nominal Input (gross) kW 15.5 - 72.7 25.5 - 128.7 45.5 - 229.7 68.8 - 331.8
Nominal Output 80/60 °C kW 13.7 - 64.4 22.5 - 114.0 40.2 - 204.0 60.8 - 294.5
Nominal Output 50/30 °C kW 15.0 - 69.9 24.8 - 125.0 44.2 - 220.0 66.8 - 320.0
BOILER EFFICIENCY
Efficiency
– Full Load 100% NCV
% 98.20 97.80 98.30 98.40
Efficiency
– Full Load 30% NCV
% 109.5 109.6 109.4 109.6
Seasonal Efficiency (Part L) GV % 96.76 96.77 96.70 96.88
GAS CONSUMPTION Values min-max:
Natural gas (G20) m 3 /h 1.48 - 6.93 2.43 - 12.28 4.34 - 21.9 6.56 - 31.64
Propane (G31)
1
kg/h 1.09 - 5.09 1.79 - 9.01 3.19 - 16.06 4.82 - 23.23
Gas supply pressure
nominal
2
G20 mbar 20
G31 mbar 37
EMISSION Values min-max:
CO
2
flue gas
3
G20 % 8.8 - 9.3 8.7 - 9.3 8.7 - 9.3 8.5 - 9.0
G31 % 9.8 - 10.3 9.5 - 10.5 9.5 - 10.5 9.5 - 10.5
NOx class - 6 6 6 6
Flue gas temperature at combustion air
temperature = 20 °C
°C 68 66 67 67
Mass flow flue gas (min/max) g/s 7.0 - 30.0 11.0 - 53.0 20.0 - 94.0
30.0 -
140.0
Available pressure for the flue system
4
Pa 200
INSTALLATION
Resistance boiler

T = 11 K
kPa 2.3 5.0 2.3 3.2

T = 20 K
kPa 1.2 2.3 1.4 1.4
Pressure boiler min-max. bar 0.5
– 6.0
Max. flow temperature °C 95
ELECTRIC
Maximum power consumption 5 W 105 200 260 330
Power supply V/Hz 230 / 50
Protection class - IPX0D