GAS-FIRED CONDENSING BOILERS
Technical specification Boiler model
Nominal input (gross) min-max Nominal input (net) min-max Gas flow rate (G20)
Output @50/30°C min-max Output @80/60°C min-max
Efficiency data - building regulations Seasonal efficiency (gross CV)
Efficiency data - ErP and energy label Ecodesign energy label rating
Seasonal space heating energy efficiency %
NOx emmissions NOx emissions (weighted)@0% O2 NOx class according to EN15502
General data Dimensions (height) Dimensions (width) Dimensions (depth) Water content Weight (empty) Weight (full)
Flow connection (inches) Return connection (inches) Gas connection (inches)
Flue connection (concentric) Flue connection (twin-pipe) Electrical requirements
Maximum power consumption Sound power level
Maximum flue gas temperature Max flow temperature
Working pressure minimum Working pressure maximum
mg/kWh
mm mm mm
litres kg kg
BSP BSP BSP mm mm
W
LWA(db) °C °C
bar bar
kW kW m3
TTB410 /hr
kW kW
%
55.4 - 444 50 - 400 5.3 - 42.3 52.2 - 418 48.3 - 386
96.0 n/a 92.5 44 6
1638 736
1225 30
400 430 2 ½ 2 ½ 2
180 180
230V/1Ph/50Hᴢ
960 74 90 85
1.0 4.0
960 78 90 85
1.0 4.0
Energy Label, product fiche and ErP data table are available at
www.lochinvar.ltd.uk * Using standard internal pressure switch, the working pressure can be extended to 6 bar if an optional 6 bar external pressure switch is used.
1638 736
1225 43
450 493 2 ½ 2 ½ 2
180 180
TTB580
75.5 - 611 68 - 550 7.2 - 58.2 71.2 - 576 66.1 - 535
96.0 n/a 92.9 41
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