Strebel S-CB Px 120, Installation Operating & Maintenance Manual

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S-CB Px 120 Manual 10
2.2. Technical specifications datasheet
GENERAL
Product Identification Number
-
CE 0063 BP3254
Classification
-
II2H3B/P
Gas Appliance Type - B23, B23P; C13, C33, C43, C53, C63, C83
Type boiler
-
S-CB Px 120
Water content est. Litre 8,3
Weight (empty) kg 78
Dimensions (h x w x d) mm 842 x 476 x 486
Flow/return connection (boiler) inch R 1"
Gas connection inch R ¾ "
Parallel connection mm Ø 100-100
CENTRAL HEATING [EN437] Values min-max:
Nominal input (Net) kW
26,0 - 111
Nominal input (Hs) (G20 G25)
kW 28,9 - 123
Nominal input (Hs) (G31)
1
kW 28,3 - 121
Nominal input (Hs) (G30)
1
kW 34,7 - 120
Nom. output 80/60 kW
24,7 - 106
Nom. output 50/30 kW 27,2 - 116
Nom. output 37/30 kW
28,1 - 120
Efficiency 40/30ºC DIN 4702-8 % up to 110,6 %
GAS CONSUMPTION [EN437] Values min-max:
amounts
Natural gas G25 m ³
st
/h 3,20 - 13,7
Natural gas G20 m ³
st
/h 2,75 - 11,8
Propane gas G31
1
m ³
st
/h 1,06 - 4,54
Butane gas G30
1
(B/P)
m ³
st
/h
0,99 - 3,44
Supply pressure
nom.
2
G25 mbar 25
G20 mbar 20
G31
1
mbar 30/37
G30
1
mbar
50
NOTES
1
When using propane or butane, a special air restrictor kit is needed. See accessories list on page
13 and picture page 86.
2
Below a table is given in which the min. and max. gas supply pressures are mentioned according
to EN437
p nominal [mbar] p min [mbar] p max [mbar]
G25 25 20 30
G20 20 17 25
G31 30 25 35
37 25 45
G30 50 43 57