1.3 Specications
Designation model alfea excellia duo 11
Single phase
14
Single phase
11
3-phase
14
3-phase
16
3-phase
Nominal heating performances (outdoor temperature/ initial temperature)
Heat output
+7 °C / +35 °C - Floor heating system kW 10,80 13,50 10,80 13,00 15,17
-7 °C / +35 °C - Floor heating system kW 10,38 11,54 10,38 12,69 12,98
+7 °C / +45 °C - Low temperature radiator kW 9,05 11,32 9,90 12,34 12,75
-7 °C / +45 °C - Low temperature radiator kW 9,16 11,45 9,98 10,74 12,95
+7 °C / +55 °C - Radiator kW 7,59 9,48 9,29 10,81 12,71
-7 °C / +55 °C - Radiator kW 7,57 9,20 9,27 10,02 11,99
Power absorbed
+7 °C / +35 °C - Floor heating system kW 2,54 3,23 2,51 3,11 3,70
-7 °C / +35 °C - Floor heating system kW 4,32 5,13 4,28 5,13 5,40
+7 °C / +45 °C - Low temperature radiator kW 2,82 3,69 2,99 3,81 3,97
-7 °C / +45 °C - Low temperature radiator kW 4,58 5,92 4,63 5,14 6,37
+7 °C / +55 °C - Radiator kW 3,07 3,95 3,52 4,49 5,04
-7 °C / +55 °C - Radiator kW 4,57 5,08 5,09 5,64 6,89
Coefcient of performance (COP) (+7 °C / + 35 °C) 4,25 4,18 4,30 4,18 4,10
Electrical characteristics
Supply voltage (50 HZ) V 230 400
Maximum current for appliance A 22 25 8,5 9,5 10,5
Nominal current A 11,4 14,2 3,7 4,8 5,5
Maximum current of the Heating electrical back-ups A 13,05 / 26,1 3x13
Power of the Heating electrical back-ups (option) kW ajustable 3 or 6 kW (Single phase) 9 kW (3-phase)
Real power absorbed by the fan W 2x100 2x104
Real power absorbed by the circulation pump W 37,5
Maximum power absorption by the outdoor unit W 5060 5750 5865 6555 7245
Electrical back-up power DHW W 1500
Hydraulic circuit
Maximum operating pressure Heating bar 3
Maximum operating pressure Domestic hot water tank bar 10
Hydraulic system ow rate 4°C<Δt<8°C (nominal conditions) l/h 1170 / 2340 1460 / 2920 1170 / 2340 1460 / 2920 1650 / 3290
Various
Weight of outdoor unit kg 92 99
Weight of hydraulic unit (empty / full of water) kg 146 / 350
Water capacity of the hydraulic unit / of the domestic tank l 24 / 190
Noise level at 1 m 1(hydraulic unit) dB 39
Sound power level according to EN 12102 2(hydraulic unit) dB 46
Noise level at 1 m 1(outdoor unit) dB 42 43 39 41 42
Sound power level according to EN 12102 2(outdoor unit) dB 69 70 66 68 69
Heating system operating limits
Outdoor temperature mini / maxi °C -25 / +35
Initial max. heating water temperature Floor heating system °C 45
Initial max. heating water temperature Low temperature radiator °C 60
Refrigeration circuit
Diameter of "Gas" pipes inches 5/8
Diameter of "Liquid" pipes inches 3/8
Factory charge of refrigerant R410A 3g 2500
Maximum operating pressure bar 41,5
Minimum / Maximum length of pipes 4m 5 / 15
Maximum length of pipes 5 / Maximum level difference m 20 / 20
1 Sound pressure level in (x)m of the device, 1,5m of the ground,
the open eld.
2 The sound power level is a laboratory measure of the emitted
sound power but contrary to the noise level, it doesn't correspond to
the measure of the felt.
3 Refrigerant R410A (as per the standard EN 378.1).
4 Factory charge of refrigerant R410A.
5 Taking into account the possible additional load of refrigeration uid
R410A (see "Additional charge", page 21)
Installation and operating manual "1572 - EN" - 5 -
Heat pump air/water split 2 services alféa excellia duo
