GENERAL
10
TECHNICAl SPECIFICATIONS
Description of storage cylinder
INSIEME CONDENS
26 BK
35 BK
Description of storage cylinder
Vitrified
Cylinder layout
Horizontal
Heat exchanger layout
Horizontal
Maximum energy consumption
26
28
kW
DHW water temperature setting range
0-70
°C
Storage cylinder capacity
120
l
Coil water capacity
5,5
l
Heat exchanger surface area
0,85
m
2
Domestic hot water production with ΔT 35°C
633
704
l/h
Water draw in 10 minutes with storage cylinder at 48°C
146
156
l
Water draw in 10 minutes with storage cylinder at 60°C
204
216
l
Specific flow rate (EN 625)
23
22
l/min.
Replenishment time (Δt 35°C)
23
20
min.
Maximum operating pressure of storage cylinder
6
bar
Description
INSIEME CONDENS
26 B
26 BK
35 B
35 BK
Fuel
Oil
Type of boiler
B23 - B23P - C13 - C33 - C63
Heat input at furnace (rated)
26,0
34,5
kW
Useful heat output (rated)
25
33,3
kW
Useful efficiency at max Pn (80-60°C)
96,1
96,5
%
Useful efficiency at 30% Pn (return temp. 47°C)
96,3
96,5
%
Useful efficiency at max Pn (50-30°C)
101,2
101,4
%
Useful efficiency at 30% Pn (return temp. 30°C)
101,5
100,8
%
Combustion efficiency
97,8
97,7
%
Losses on shutdown
370
370
W
Boiler-side pressure drop at rated heat input
20
31
mbar
Maximum residual pressure in flue gas vent (*)
15
40
Pa
Flue gas temperature (80-60°C)
< 75
°C
Flue gas temperature (50-30°C)
< 55
°C
Smoke scale
< 0,5
Flue gas mass flow rate
0,0108
0,0143
kg/s
CO2
< 12,5
%
CO
< 45
ppm
NOx
< 120
mg/kWh
Central heating system maximum operating pressure
3
bar
Central heating system maximum operating temp.
82
°C
Safety thermostat trip temperature
110
°C
Flue gas thermostat trip temperature
90
°C
Minimum return temperature
40
°C
Boiler water temperature setting range
33-82
°C
Boiler water capacity
28
28
l
Power supply
230~50
V~Hz
Maximum energy consumption
215
305
215
305
W
Index of protection
X0D
IP
Condensate production at 50/30°C
1,5
1,8
l/h
(*) Values referred to atmospheric pressure at sea level.
