41
TEKNİK VERİLER
Viwa 90
Viwa 155
Viwa 125
Viwa 150
Gas Circuit
Birim
Gas type
G20
G20
G20
G20
Gas supply pressure
mbar
20
20
20
20
Gas Consumption at Maximum
m³/h
9,301
11,55
12,737
15,27
Gas Consumption at Minimum
m³/h
1,538
1,787
2,005
2,419
*(Natural Gas G20) Heat Load (Hu=10,56 kWh/m3)
Premix System
Pneumatic
Modulation Range
1:6
Heat Exchanger Material
Al-Mg-Si
Efficiency
G20
G20
G20
G20
(80/60 °C) Efficiency at Maximum Heat Output
%
97,72
97,46
97,78
97,58
(50/30 °C) Efficiency at Maximum Heat Output
%
103,59
102,67
103,6
103,04
Efficiency at 30% load at 36/30 °C
%
107,48
107,17
108,01
107,49
Radiator Circuit
G20
G20
G20
G20
Maximum heat input Qn
kW
90
115
125
150
Minimum heat input Qn
kW
14,5
17,5
20
24
Maximum Heat Output Pn (80/60 oC)
kW
87,9
112
122,2
146,3
Minimum Heat Output Pn (80/60 oC)
kW
13,23
15,38
17,82
21,62
Maximum Heat Output Pn (50/30 oC)
kW
93,2
118
129
154,5
Minimum Heat Output Pn (50/30 oC)
kW
16,08
19,04
20,81
25,05
Temperature selection range (min÷max) high temperature
°C
25÷80
Temperature selection range (min÷max) low temperature
°C
25÷47
Operating Pressure (Maximum)
bar
6
Operating Pressure (Minimum)
bar
0,8
Domestic Hot Water Circuit
Temperature adjustment range
°C
20 - 65
Electricity Circuit
Electricity Supply
V AC–50 Hz
230 V +%10; -%15
Electricity Consumption (Max./Min.)
Watt
29 / 120
30/ 128
29 / 169
30 / 265
Protection Index
IP
IPX5D
Exhaust Gas Circuit
G20
G20
G20
G20
(80/60 °C) Exhaust gas temperature (Min. / Max.)
°C
53,5 / 61,7
52,5 / 67,8
56,4 / 58,7
56,9 / 67,6
(50/30 °C) Exhaust gas temperature (Min. / Max.)
°C
30,4 / 46,3
31,2 / 50,2
30,1 / 46,6
30,2 / 48,0
NOx
Class
6
Weighted value of Nox (GCV)
mg/kWh
18
28
25
29
Flue mass flow rate (60/80°C - Qn) Nominal/Minimum
g/s
38,89 / 6,43
48,29 / 7,47
53,25 / 8,38
63,84 / 8,38
General
Dimensions (H x W X D)
mm
725 x 612 x 490
Sound Level
dB (A )
62,1
62,1
63,4
63,4
Net Weight
kg
70
70
82
82
Packed Device Weight
kg
87
87
99
99
Type
B 23, C 13, C 33, C 53, C 63, C 83
Category
I2H/I2E/I2E(S)/
(G20=20mbar)
