Warmhaus MINERWA 25, Installation & User Manual

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TECHNICAL DATA UNIT WARMHAUS
Minerwa-ErP 25
CE certification CE-1015CT0706 :18 ??
Gas Circuit
Gas type
G20 G25 G30 G31
Gas supply pressure mbar 20 25 30 37
Gas Consumption at Maximum m³/h 2,38* 2,85 0,728 0,92
Gas Consumption at Minimum m³/h 0,37* 0,43 0,107 0,105
*(Natural Gas G20) Heat Load (Hu=10,56 kWh/m³)
Premix System
Gas Adaptive
Modulation Range 01:10
Heat Exchanger Material Stainless steel
Efficiency G20 G25 G30 G31
(80/60 °C) Efficiency at Maximum Heat Output % 98,03 97,84 97,48 97,76
(50/30 °C) Efficiency at Maximum Heat Output % 105.11 105,34 101,95 103,63
Efficiency at 30% load at 36/30 °C % 108,29 108,38 104,28 108,29
Seasonal space heating energy efficiency (expressed in terms of GCV) % 92 (Class A)
Radiator Circuit G20 G25 G30 G31
Maximum heat input Qn kW 24,25 24,25 24,25 24,25
Minimum heat input Qn kW 3,5 3,5 3,5 2,8
Maximum Heat Output Pn (80/60 °C) kW 23,7 23,7 23,6 23,7
Minimum Heat Output Pn (80/60 °C) kW 3 3 3,2 2,5
Maximum Heat Output Pn (50/30 °C) kW 25 25 24,33 25
Minimum Heat Output Pn (50/30 °C) kW 3,6 3,6 3,55 2,9
Temperature selection range (min÷max) high temperature ºC 25÷80
Temperature selection range (min÷max) low temperature ºC 25÷47
Operating Pressure (Maximum) bar 3
Operating Pressure (Minimum) bar 0,5
Expansion tank useful volume bar 7
Pump pressure (at 1000 l/h flow rate) mH
2
O 7
Pump pressure (at 500 l/h flow rate) mH
2
O 7,3
Max. Pump Flow Rate l/h 2500
Pump Energy Efficiency Index EEI
≤
0,20
Domestic Hot Water Circuit
Maximum DHW Heat Input kW 31
Minimum DHW Heat Input kW 3,5
Max. Domestic Hot Water flow rate ( Δ t: 35 °C) l/min. 13
Max. Domestic Hot Water flow rate ( Δ t: 30 °C) l/min. 15
Min. Domestic Hot Water flow rate (for the DHW function activation) l/min. 1,5
Maximum water pressure bar 10
Minimum water pressure bar 0,5
Temperature adjustment range °C 35 - 60
Temperature adjustment precision °C
Electricity Circuit
Electricity Supply V AC-50 Hz 230 V +%10; -%15
Electricity Consumption (Max./Min.) Watt 95 / 55
Protection Index IP IPX5D
Exhaust Gas Circuit G20 G25 G30 G31
Flue temperature (Qn)
(80/60 °C) Exhaust gas temperature (Min. / Max.)
ºC 69 /71 65 / 70 57 / 70 60 / 70
(50/30 °C) Exhaust gas temperature (Min. / Max.) ºC 49 / 51 48 / 49 43 / 57 47 / 51
Maximum exhaust gas temperature [Maximum DHW mode] ºC 70
NOx Class 6
Weighted value of Nox (GCV) mg/kWh 20 19 42 31
Flue mass flow rate (60/80°C - Qn) Nominal/Minimum g/s 10,32 / 1,6 10,78 / 1,62 10,58 / 1,26 9,91 / 1,18
Flue mass flow rate (60/80°C - Qn) [Maximum DHW mode] g/s 14,01 14,04 13,58 12,71
Fan head loss Pa 35 ÷ 140
General
Dimensions (H x W X D) mm 595 x 379 x 260
Sound Level dB (A) 55
Hydraulic Group Material Brass
Net Weight kg 26
Packed Device Weight kg 29
Type C13, C33, C53, C63, C83, C93, C103, B23, B23P, B33, B33P, B53, B53P
Category
I2H, I2E, I2E(S) - (G20=20 mbar), I2E+, I2L, I2ELL - (G25=25 mbar)
I3P - (G31=37 mbar) II2ELL3B/P, II2H3B/P - (G30=30 mbar)
3.8. TECHNICAL TABLE