53Installation and maintenance instructions ecoTEC 0020029173_01
13 Technical data
ecoTEC VU 656/4 unit
Heat Output Range (heating 50/30 °C) 14,6 - 67,6 kW
Heat Output Range (heating 80/60 °C) 13,8 - 63,7 kW
Maximum Heat Input (Net) 65 kW
Net Efficiency at 100% load 98 %
Net Efficiency at 30% load 108 %
SEDBUK rating A
SAP seasonal Efficiency 90,5 %
Inlet gas working pressure required (natural gas) 20 mbar
NOx class 5-
NOx level 55 mg / kW hr
CO
2
Percentage (after 5 minutes full load +/- 1) 8,8 %
Recommended CO level 150 ppm
Gas Rate (natural gas) 6,9 m
3
/ h
rated water volume (when T = 20 K)
2750 l / h
max. flow temperature approx. 85 °C
Maximum operating pressure 3 bar
condensate volume (pH value: 3.0-4.0) 6,5 l/h
water content 6,5 l
flue gas mass flow min./max 6,5 /30,3 g/s
flue gas temperature min./max. 40 / 70 °C
pressure drop across the heat exchanger (at full load and T 20 K) 375 mbar
Connections heating flow/return
1“ internal
1,5“ external
mm / ”
Gas inlet 25 mm
Pressure safety valve 3/4 “ mm / ”
Condensate drain 19 mm
Flue connection 80/125 mm
Lift weight 75 kg
height 800 mm
width 480 mm
depth 472 mm
electrical connection 230 / 50 V / Hz
electrical power consumption min./max. (with integrated pump) 170 / 260 W
type of protection IP X 4 D -
CE-number (PIN) CE-0085BR0308
Table 13.1 Technical data ecoTEC
Technical data 13
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