Unical DUA plus - Operational Data; General Specifications

8
General information
II2H3+
7,8
0,5
3
3,5
85
45 T (35 E)
7
160,9
0,5
6
11
10
7,4
8,3
9,5
11,1
13,7
35 - 60
230/50
4
137
X4D
45
l/min
bar
bar
l
°C
°C
l
l
bar
bar
l/min.
l/min.
l/min.
l/min.
l/min.
l/min.
l/min.
°C
V-Hz
A (F)
W
IP
kg
kW
kW
%
%
%
%
n.
%
%
%
°C
g/s
%
%
mg/kWh
%
%
24,00
11,1
90,04
89,76
88,61
87,14
93,59
90,31
1,79 - 3,55
60,9 - 77,7
17,49 - 20,18
117,89
2,5 - 5,1
134
3
9,69 - 6,41
0,446
II2H3+
7,8
0,5
3
3,5
85
45 T (35 E)
7
160,9
0,5
6
11
10
7,4
8,3
9,5
11,1
13,7
35 - 60
230/50
4
90
X4D
42
DUA plus
CTFS 24 - RTFS 24
DUA plus
CTN 24 - RTN 24
24,79
11,03
92,86
92,79
90,47
90,18
94,33
90,07
1,82 - 1,47
76,4 - 94,1
14,10 - 14,66
54,56
3,1 - 7,3
164
2
9,93 - 5,67
0,535
DUA plus
CTFS 24 - RTFS 24
DUA plus
CTN 24 - RTN 24
1.4 - OPERATIONAL DATA
For some data (NOZZLES - BURNER GAS PRESSURE - DIAPHRAGMS - INPUTS - GAS CONSUMPTIONS)
refer to paragraph ADAPTATION TO THE USE OF OTHER GAS on page 23.
1.5 - GENERAL SPECIFICATIONS
(*) Warning: The utilisation of this type of boilers in the "floor heating systems" needs the use of specific equipments (e.g.:
UNICAL Thermic Module) to avoid all risks of smoke condensation within the boiler.
Nominal output
Minimum output
Actual water efficiency at 100 % of nominal load
Minimum water efficiency required at 100 % of nominal load
Actual water efficiency at 30 % of nominal load
Minimum water efficiency required at 30 % of nominal load
Star number (according to Efficiency Directive 92/42/CE)
Combustion efficiency at 100 % of nominal load
Combustion efficiency at minimum load
Heat losses through the casing (min. / max.)
Maximum net smoke température (Ts- Ta)
Massive smoke flow rate (min. / max.)
Air exces (lambda)
CO
2
NOx (ponderal value according to EN 297/A3+EN 483)
NOx class (ponderal value according to EN 297/A3 + EN 483)
Chimney heat losses with burner in operation (min./max.)
Chimney heat losses with burner shut-off
Boiler category
Minimum water low rate in heating circuit (ΔT 20°C)
Minimum pressure in heating circuit
Maximum pressure in heating circuit
Water content of the primary circuit
Maximum operation temperature in heating mode
Minimum operation temperature in heating mode (*)
Expansion vessel total content
Maximum water content of the heating circuit (max. temp. 90°C)
Minimum pressure in the D.H.W. circuit
Maximum pressure in the D.H.W. circuit
Specific D.H.W. flow rate ( t 30°C according to EN 625)
Flow rate of the D.H.W. flow restrictor
Contiunuous D.H.W. production with t 45 K
Contiunuous D.H.W. production with t 40 K
Contiunuous D.H.W. production with t 35 K
Contiunuous D.H.W. production with t 30 K
Contiunuous D.H.W. production with t 25 K
D.H.W. temperature adjustable between
Electrical power supply Tension/Frequency
Supply fuse
Maximum absorbed output
Insulation degree
Net weight (dry)