1.3
TECHNICAL FEATURES
DEWY 30/50 HE WM
Heat output nominal (80-60°C)
kW (kcal/h)
29.2 (25,112)
Heat output nominal (50-30°C)
kW (kcal/h)
32.2 (27,690)
Heat output minimum (80-60°C)
kW (kcal/h)
7.6 (6,540)
Heat output minimum(50-30°C)
kW (kcal/h)
8.4 (7,220)
Nominal heat output
kW (kcal/h)
30.0 (25,800)
Minimum heat output
kW (kcal/h)
8.0 (6,880)
Efficiency nominal/minimum output (80-60°C)
%
94.5 - 97.2
Efficiency nominal/minimum output (50-30°C)
%
104.9 - 107.2
30% yield (50-30°C)
%
106.7
Termal efficiency (CEE 92/42 directive)
★★★★
Class NOx
5
Smokes temperature maximum (80-60°C)
°C
68
Smokes temperature minimum (80-60°C)
°C
69
Smokes temperature maximum (50-30°C)
°C
47.3
Smokes temperature minimum (50-30°C)
°C
46.9
Smokes flow
kg/h
50.2
CO
2
maximum/minimum G20
%
9.1/9.1
CO
2
maximum/minimum G31
%
10.0/10.0
Electrical supply
230V 50 Hz Fuse et 1.6AT
Adsorbed power consumption
W
160
Electrical protection grade
IP
X4D
CE certification
n°
1312BP4098
Category
II
2H3P
Type
B
23-53
/C
13-33-43-53-83
C.H.
Pressure relief valve setting
bar
3
Maximum C.H. working pressure
bar
2.5
Maximum temperature
°C
85
Water content boiler
l
10.0
C.H. setting range
°C
20/80
Expansion vessel capacity
l
10
Expansion vessel pressure
bar
1
Gas consumption nominal/minimum G20
m
3
/h
3.17/0.84
Gas consumption nominal/minimum G31
kg/h
2.33/0.62
D.H.W.
Maximum supply pressure
bar
10
Operating pressure
bar
3.5
Maximum pressure
bar
6.0
D.H.W. flow rate (EN 625)
l/min
16.0
Continuous D.H.W. flow rate
∆
t 30°C
l/min
14.1
Hot water tank contents
l
40
Tank heating time between 15 and 60°C
min
7’ 30”
Recuperation time between 25 and 55 °C
min
3’ 45”
Recuperation time to raise 70% of volume to 60°C
min
3’ 35”
D.H.W. setting range
°C
30/60
Capacity of hot water expansion tank
l
2
Expansion tank charge pressure
bar
3.5
Expansion relief valve setting
bar
6
Combined temperature & pressure relief valve setting
bar
7
Combined temperature & pressure relief valve setting
°C
90
Gas consumption nominal/minimum G20
m
3
/h
3.17/0.84
Gas consumption nominal/minimum G31
kg/h
2.33/0.62
GAS PRESSURE END NOZZLES
Gas supply pressure G20
mbar
20
Gas supply pressure G31
mbar
37
Nozzles quantity
n°
1
Nozzles diameter G20
ø
7.0
Nozzles diameter G31
ø
5.0
WEIGHT
kg
70.1
WEIGHT (FULL)
kg
120.1
MAX FLUE LENGTHS
Max. horizontal lenght of coaxial flue duct
m
4,6
Max. vertical lenght of coaxial flue duct
m
7
Max. horizontal lenght of twin flue ducts
m
19 + 19
7
