Strebel S-CBX 105, Installation Operating & Maintenance Manual

Page: 9 / 138

9
3.2.1 T
ECHNICAL SPECIFICATIONS DATASHEET
GENERAL
Product identification number:
0063CT3633
Classification II2H3P
Gas Appliance Type
-
B23(P), C13, C33, C43, C63, C83, C93,
C(10)3, C(11)3, C(12)3, C(13)3, C(14)3, C(15)3
Boiler Model S-CBX 85 S-CBX 105 S-CBX 125 S-CBX 155
Dimensions (h x w x d) mm 845 x 440 x 530
Water content estimated litre 5.0 6.5 8.3 10.4
Weight (empty) kg 77 79 83 86
Flow/return connection (boiler) inch R 1” R 1” R 1” R 1¼”
Gas connection inch R ¾” R ¾” R ¾” R 1”
Flue connection twin pipe mm 100 100 100 150
Flue connection concentric pipe mm 100/150 100/150 100/150 N.A.
HEATING Values min-max:
Nominal input (gross) (G20) kW 17.1 - 90.7 20.7 - 108.1 26.2 - 132.6 38.9 - 161.4
Nominal input (net) (G20) kW 15.4 - 81.7 18.6 - 97.3 23.6 - 119.4 35.0 - 145.3
Nominal input (gross) (G25.3) kW 17.4 - 88.6 20.8 - 105.7 26.4 - 129.7 39.3 - 158.0
Nominal input (net) (G25.3) kW 15.7 - 79.7 18.7 - 95.2 23.8 - 116.9 35.4 - 142.2
Nominal input (gross) (G31) kW 17.4 - 87.4 20.6 - 103.4 26.2 - 131.2 42.7 - 154.4
Nominal input (net) (G31) kW 16.0 - 80.5 19.0 - 95.2 24.1 - 120.8 39.3 - 142.2
Nominal output 80/60 °C (G20) kW 14.9 - 79.1 18.0 - 94.2 22.9 - 115.7 33.9 - 140.9
Nominal output 50/30 °C (G20) kW 16.0 - 85.1 19.5 - 101.8 24.7 - 124.7 36.4 - 151.0
Nominal output 37/30 °C (G20) kW 16.6 - 88.4 20.2 - 105.5 25.6 - 129.4 38.0 - 157.8
Nominal output 80/60 °C (G25.3) kW
15.2 - 77.0 18.1 - 92.3 23.1 - 113.4 34.3 - 137.9
Nominal output 50/30 °C (G25.3) kW
16.4 - 83.0 19.6 - 99.6 24.9 - 121.1 36.8 - 147.7
Nominal output 37/30 °C (G25.3) kW
17.0 - 88.4 20.3 - 105.5 25.8 - 129.4 38.4 - 157.8
BOILER EFFICIENCY
Seasonal Efficiency (Part L) GV %
95.62% 95.70% 95.68% 95.84%
Efficiency (input 30%, return
temperature 30 °C)
% 108.2% 108.4% 108.4% 108.6%
GAS CONSUMPTION Values min-max:
Natural gas (G20) m
3
/h 1.6 – 8.5 1.9 – 10.2 2.5 – 12.5 3.7 – 15.3
Natural gas (G25.3) m
3
/h 1.8 – 9.2 2.2 – 11.6 2.8 – 14.2 4.1 – 16.3
Propane (G31)
1
m
3
/h 0.6 – 3.2 0.8 – 3.9 1.0 – 4.8 1.6 – 5.7
Gas supply pressure
nominal
2
G20 mbar 20
G25.3 mbar 25
G31 mbar 37
NOTES
1
Using propane, a restriction needs to be placed and the maximum fan speed needs to be reduced
2
Min. and max. gas supply pressures:
p nom [mbar] p min [mbar] p max [mbar]
G20 20 17 25
G25.3 25 20 30
G31 37 25 57.5