MAINTENANCE AND
SERVICE GUIDE
Fanned Flue Condensing
Combination Boiler
Heating and Storage Domestic Hot
Water
Dimensions
Technical data
Flue types:
C 13: - C 33 - C 53
C
54 54 54 54
JK L M N
I
88
JK
L
MN
232
235
32
Safety valve
center line
All dimensions in mm
Outer case dimensions :
- Width :
440 (minimum space required 450)
- Height :
850
- Depth :
24 kW : 380
30 kW : 405
212
360
67
737
850
50
I
Safety valve outlet
J Heating flow
K D.H.W. flow
L Gas supply
M Cold water inlet
N Heating return
Heat gross input C/H maxi ............................
9,2-27,8 kW
10,4-31,6 kW
Heat gross input DHW maxi ..........................
9,2-27,8 kW
10,4-31,6 kW
Heat output C/H 50°/30° maxi .......................
9-26 kW
10-30 kW
Heat output C/H 80°/60° maxi .......................
8-24 kW
9-28 kW
Heat output DHW maxi .................................
8-24 kW
9-30 kW
C/H operating temperature............................
80°C max
80°C max
C/H circuit pressures Min operating ..............
0,7 bar
0,7 bar
C/H circuit pressures Max operating .............
2,5 bar
2,5 bar
DHW flow rates 30°C ....................................
12 l/min
14 l/min
DHW flow rates 35°C ...................................
10,3 l/min
12 l/min
Cold water mains pressures Min operating ...
0,5 bar
0,5 bar
Cold water mains pressures Max operating ..
10 bar
10 bar
Flow limiter rate .............................................
8 l/min
10 l/min
Safety discharge ...........................................
3 bar
3 bar
Expansion vessel - Pre-charge pressure ......
0,7 bar
0,7 bar
Net capacity at 3 bar in liter...........................
5,44
5,44
Supply ...........................................................
230 v
230 v
Consumption .................................................
150 w
150 w
Protection ......................................................
IP 44
IP 44
Fuse F1/F2/F3/F4 .........................................
2 A/1,25 A/0,315 A/0,250 A
External controls ...........................................
24 v
24 v
Natural gas G20
Gas rate C/H max ................... 2,64 m
3
/h
3,01 m
3
/h
Gas rate DHW max ................. 2,64 m
3
/h
3,01 m
3
/h
Gas rate C/H & DHW mini....... 0,87 m
3
/h
1 m
3
/h
Gas valve restrictor diameter ..
without
without
Propane L.P.G G31
Gas rate C/H max. .................. 1,94 kg/h
2,21 kg/h
Gas rate DHW max. ................ 1,94 kg/h
2,21 kg/h
Gas rate C/H & DHW mini....... 0,64 kg/h
0,73 kg/h
Gas valve restrictor diameter .. 4,40 mm
4,8 mm
24 kW : 380
30 kW : 405
24 kW
30 kW
24 kW
30 kW