TECHNICAL DATA
Viwa 50
Viwa 65
CE Certificate
CE-1015CS XXXXXX
CE-1015CS XXXXXX
Gas Circuit
Unit
Gas type
G20
G20
Gas Supply Pressure
mbar
20
20
Maximum Gas Consumption
m³/h
4,809
6,506
Minimum Gas Consumption
m³/h
0,619
0,825
Premix System
Gas Adaptive (*)
Gas Adaptive (*)
Modulation Rate
01:08
01:08
Exchanger Material
Stainless steel
Stainless steel
Efficiency
G20
G20
Efficiency at (80/60 °C) Maximum Heat Output
%
97,56
97,33
Efficiency at (50/30 °C) Maximum Heat Output
%
105,32
104,92
Efficiency at (36/30 °C) 30% Load
%
107,78
108,02
Seasonal Heating Energy Efficiency
%
92 (Class A)
93 (Class A)
Radiator Circuit
G20
G20
Maximum Heat Input (Qn)
kW
50
65
Minimum Heat Input (Qn)
kW
6,5
8
Maximum Heat Output (Pn) (80/60 °C)
kW
48,7
63,2
Minimum Heat Output (Pn) (80/60 °C)
kW
5,69
7,28
Maximum Heat Output (Pn) (50/30 °C)
kW
52,6
68,0
Minimum Heat Output (Pn) (50/30 °C)
kW
6,51
8,51
(High) Temperature Setting Range for Radiator Circuit (min÷max)
ºC
25÷80
25÷80
(High) Temperature Setting Range for Underfloor Heating Circuit (min÷max)
ºC
25÷47
25÷47
Operating Pressure (Maximum)
bar
4
4
Operating Pressure (Minimum)
bar
0,5
0,5
Temperature Setting Range
Temperature Setting Range
ºC
35 - 60
35 - 60
Electrical Circuit
Power Supply
V AC–50 Hz
230 V +%10; -%15
230 V +%10; -%15
Power Consumption (Maximum/Minimum)
Watt
92 / 11
100 / 12
Protection Index
IP
IPX5D
IPX5D
Power Consumption (Stand-By Mode P
SB
)
Watt
4
4
Exhaust Gas Circuit
G20
G20
Exhaust Gas Temperature (Qn)
°C
(80/60 °C) Exhaust Gas Temperature (Min. / Max.)
ºC
55,7 / 62,1
61,4 / 72,0
(50/30 °C) Exhaust Gas Temperature (Min. / Max.)
ºC
37,2 / 44,4
40,0 / 51,0
NOx
Sınıf
6
6
NOx Weight Values (GCV)
mg/kWh
40
40
Exhaust Gas Flow Rate (60/80°C - Qn) Nominal/Minimum
g/s
22,25 / 2,83
28,50 / 3,50
General
Dimensions (H X W X D)
mm
725 x 420 x 385
725 x 420 x 385
Noise Level (± 1.5 dBA)
dB (A )
61
58
Net Weight
kg
40
46
Packaged Weight
kg
42
48
Type
B 23, C 13, C 33, C 53, C 63, C 83
B 23, C 13, C 33, C 53, C 63, C 83
Category
I2H/I2E/I2E(S)/(G20=20mbar) I2H/I2E/I2E(S)/(G20=20mbar)
Gas Adaptive (*): This boiler fitted with gas/air ratio controls. Gas and air ratio control settings must not be changed un autorised persons. The gas
valve calibration method is explained on service manual and has to be done by Warmhaus official service.
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