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Technical data
4.2 Technical data
UltraGas
®
(70,90)
Type
(70)
(90)
•
Nominal output 80/60°C with natural gas
1
kW
12,2 - 63,3
14,4 - 83,3
•
Nominal output 40/30°C with natural gas
1
kW
13,6 - 69,9
16,1 - 91,5
•
Nominal output 80/60°C with liquid gas
3
kW
15,4 - 63,3
17,4 - 83,3
•
Nominal output 40/30°C with liquid gas
3
kW
17,1 - 69,9
19,3 - 91,5
•
Nominal load with natural gas
1
kW
12,5 - 65,5
14,7 - 86,0
•
Nominal load with liquid gas
3
kW
16,0 - 65,5
18,0 - 86,0
•
Working pressure heating max./min.
bar
4,0 / 1,0
4,0 / 1,0
•
Working temperature max..
°C
85
85
•
Boiler water capacity
l
157
149
•
Min. water circulation
l/h
0
0
•
Boiler Weight (without water)
kg
249
268
•
Boiler efficiency at partial load 30% (according to EN 303)
(related to net / gross calorific value)
%
107,1 / 96,5
107,2 / 96,6
•
Standard efficiency (according to DIN 4702 part 8
)
40/30°C
%
109,6 / 98,7
109,6 / 98,7
(net calorific value / gross calorific value)
75/60°C
%
107,1 / 96,5
107,1 / 96,5
•
Heat loss rate at 70°C
Watt
290
290
•
Standard emission rate
Nitrogen oxides
mg/kWh
32
39
Carbon monoxide
mg/kWh
3
3
•
Co
n
tent of CO
2
in the exhaust gas max./min. power
%
9,0 / 8,8
9,0 / 8,8
•
Dimensions
See table of dimensions
•
Connections
Flow /Return
Zoll
R 1 ½"
R 1 ½"
Gas
Zoll
R ¾"
R ¾"
Flue gas / combustion
air Ø
mm
C100/150
C100/150
•
Gas flow pressure min./ max.
Natural gas E/LL
mbar
18-50
18-50
Liquid gas
mbar
37-50
37-50
•
Gas connection value at 0°C / 1013 mbar:
Natural gas E - (Wo = 15,0 kWh/m
3
) Hu = 9,97 kWh/m
3
m
3
/h
6,6
8,6
Natural gas LL- (Wo = 12,4 kWh/m
3
) Hu = 8,57 kWh/m
3
m
3
/h
7,6
10,0
Propangas (Hu = 25,9 kWh/m
3
)
m
3
/h
2,5
3,3
•
Operation voltage
V/Hz
230/50
230/50
•
Control voltage
V/Hz
24/50
24/50
•
Min./Max. electrical power consumption
Watt
27 / 93
28 / 138
•
Standby
Watt
12
12
•
IP rating (integral protection)
IP
20
20
•
Acoustic capacity
- Heating noise (EN 15036 part 1) (room air-dependent)
dB(A)
64
67
- Exhaust noise is radiated from the mouth
(DIN 45635 part 47) (room air-dependent/room air-independent)
dB(A)
55
59
•
Acoustic pressure level (depending on installation)
2
dB(A)
57
59
•
Condensate quantity (Natural gas ) at 40/30°C
l/h
6,2
8,1
•
pH value of the condensate
ca. 4,2
ca. 4,2
•
Value for flue calculation
Temperature class
T120
T120
Flue gas mass flow
kg/h
109,0
143,0
Flue gas temperature at nominal output and operation 80/60°C
°C
63
65
Flue gas temperature at nominal output and operation 40/30°C
°C
43
43
Mass flow combustion air
Nm
3
/h
81
106
Feed pressure for combustion air/ flue gas system
Pa
130
130
Maximal Draft / negative pressure flue gas outlet
Pa
- 50
- 50
1
Data reladet to H
u
. The boiler series is tested for EE/H-settings. With a factory setting of the Wobbe coefficient of 15.0 kWH/m
3
operation at a
Wobbe oefficient of 12,0 up to 15,7 kWh/m
3
is possible without new settings.
2
See also notes at „Engineering“.
3
Data reladet to H
u
.
