Hoval TopGas 80, Installation Instructions Manual, Page: 7 / 38

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TECHNICAL INFORMATION
3. Technical information
3.1 Technical Data
Type
(80)
• Nominal heat output 80/60°C with natural gas
1
kW 15,8-72,4
• Nominal heat output 40/30 °C with natural gas
1
kW 17,3-80,0
•
Nominal heat output 80/60 °C propane gas
3
kW 19,5-72,4
• Nominal heat output 40/30 °C propane gas
3
kW 21,6-80,0
• Nominal load with natural gas
1
kW 16,5-75,0
• Nominal load with propane gas
3
kW 20,0-75,0
• Working pressure heating maximum/minimum. bar 4,0/1,5
• Working temperature maximum °C 85
• Boiler water content l 10
• Minimum water flow l/h 800
• Boiler weight (without water content) kg 107
• Boiler efficiency at 30% partial load (in acc. with EN 303)
(related to net/ gross calorific value)
% 107,0/96,4
• Normal degree of efficiency (in accordance with DIN 4702 Part 8) 40/30 °C % 109,4/98,6
(related to net/gross calorific value) 75/60 °C % 106,1/95,6
• Standby losses at 70 °C Watt 95
•
Norm emission factors
Nitrogen oxide NOx mg/kWh 18
Carbon monoxide CO mg/kWh 27
• CO
2
content in flue gas max./min. output % 9,0/8,8
• Dimensions: see table of dimensions
• Connections
Flow/Return Inches Rp 1¼″
Gas Inches R ¾″
Flue gas/combustion air (concentrically) mm C100/150
•
Gas flow pressure minimum/maximum
Natural gas E/LL mbar 18-50
Propane gas (LPG) mbar 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 1,65-7,5
Propane gas
3
(H
u
= 25,9 kWh/m
3
) m
3
/h 0,77-2,90
• Operation voltage V/Hz 230/50
• Control voltage V/Hz 24/50
• Minimum/maximum electrical power consumption Watt 23/130
• Standby Watt 7
• Protection rating IP 20
• Total sound power level dB(A) 63
• Sound pressure level (depending on installation conditions)
2
dB(A) 53
• Condensate quantity (Natural gas) at 40/30 °C l/h 7,1
• pH-value of the condensate ca. 4,2
• Values for calculation of the chimney
Requirement flue gas system, temperature class T 120
Flue gas mass flow rate kg/h 124,5
Flue gas temperature at nominal output and operation at 80/60 °C °C 79
Flue gas temperature at nominal output and operation at 40/30 °C °C 49
Total supply pressure for supply air and flue gas conduit Pa 140
Maximum draught/underpressure at flue gas outlet
Pa - 50
1
Data related to Hu. 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 coefficient of 12.0 up to 15.7 kWh/m
3
is possible without new settings.
2
See also notes at Engineering
3
Data related to H
u