Unical SPK 1000, Installation And Maintenance Instructions Manual

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14
2.5 - OPERATING DATA AND GENERAL FEATURES
for the adjustment data: NozzLES - PrESSurE - DIAGrAmS - fLoW rATES refer to the paragraph ADAPTATIoN To oTHEr
TYPES of GAS.
SPK 1000
Boiler category I
2H
modulation ratio 1:2
rated heat output on P.C.I. Qn kW 940
minimum heat output on P.C.I. Qmin kW 470
rated useful power (Tr 60 / Tm 80 °C) Pn kW 923,2
minimum useful power (Tr 60 / Tm 80 °C) Pn min kW 460,1
rated useful power (Tr 30 / Tm 50 °C) Pcond kW 1006
minimum useful power (Tr 30 / Tm 50 °C) Pcond min kW 508
rated power performance (Tr 60 / Tm 80°C) % 98,2
minimum power performance (Tr 60 / Tm 80°C) % 97,9
rated power performance (Tr 30 / Tm 50°C) % 107
minimum power performance (Tr 30 / Tm 50°C) % 108,1
Performance at 30% of the load (Tr 30°C) % 108
Combustion efficiency at nominal load % 98,4
Combustion efficiency with reduced load % 98,7
Casing heat loss with burner operating (Qmin) % 0,81
Casing heat loss with burner operating (Qn) % 0,19
Net flue gas temperature tf-ta (min)(*) °C 25,1
Net flue gas temperature tf-ta (max)(*) °C 31,0
maximum permitted temperature °C 100
maximum operating temperature °C 95
Flue gas mass flow rate (min) kg/h 790
Flue gas mass flow rate (max) kg/h 1581
Excess air % 29,54
Heat loss at chimney with burner on (min) % 1,29
Heat loss at chimney with burner on (max) % 1,60
minimum heating circuit pressure bar 1
maximum heating circuit pressure bar 6
Water content l 1413
methane gas consumption G20 (pow.sup. 20 mbar) at Qn m
3
/h 99,4
methane gas consumption G20 (pow.sup. 20 mbar) at Qmin m
3
/h 49,7
massima pressione disponibile base camino Pa 100
max condensate production kg/h 158
Emissions
Co at maximum heat output with 0% of o2 mg/kWh 2
Nox at maximum heat output with 0% of o2 mg/kWh 46
Nox weight with 3,5% of o2 mg/kWh 33
Electrical data
Power supply voltage/frequency V/Hz 230 / 50 - 400 / 50
Protection rating IP
-
room Temperature = 20°C
(*) Temperature detected with appliance operation flow rate 80°C / ret. 60°C
Co
2
(min/max) See table ‘’NozzLES - PrESSurE’’
Seasonal energy efficiency to heat the room 2009/125 CEE (<=400Kw) η
s
- see table ErP
Heat loss in stand-by ∆T 30°C - Pstb - see table ErP
Electricity consumption on standby - Psb - see table ErP