1.4 General characteristics
Model name Alféa Extensa Duo A.I.
5
6
8
10
Rated heating performances
(outdoor temp. / flow temp.)
Heat output
+7°C/+35°C - Underfloor heating system
kW
4.50
6.00
7.50
10.00
-7°C/+35°C - Underfloor heating system
kW
4.10
4.60
5.70
7.40
+7°C/+45°C - LT radiator
kW
4.50
5.10
6.20
8.27
-7°C/+45°C - LT radiator
kW
4.10
4.45
5.05
7.40
+7°C/+55 °C - Radiator
kW
4.50
4.50
5.00
7.00
-7°C/+55°C - Radiator
kW
3.70
3.85
5.20
7.00
Power consumption
+7°C/+35°C - Underfloor heating system
kW
1.00
1.41
1.84
2.49
-7°C/+35°C - Underfloor heating system
kW
1.47
1.74
2.23
2.97
+7°C/+45°C - LT radiator
kW
1.31
1.50
1.87
2.53
-7°C/+45°C - LT radiator
kW
1.86
2.04
2.47
3.70
+7°C/+55°C - Radiator
kW
1.79
1.79
1.94
2.86
-7°C/+55°C - Radiator
kW
2.20
2.33
3.34
4.15
Coefficient of Performance (COP) (+7°C/+35°C)
4.52
4.26
4.08
4.02
Electrical specifications
Electrical voltage (50 Hz)
V
230
Maximum current for appliance
A
11
12.5
17.5
18.5
Nominal current
A
4.5
6.3
8.1
10.9
Maximum current of the Heating system electrical backup (option)
A
13.05 / 26.1
Power of the Heating system electrical backup (option)
kW
6 kW
Fan actual power consumption
W
49
49
49
100
Circulation pump actual power consumption
W
24
Maximum power consumed by the outdoor unit
W
2530
2875
4025
4255
DHW electrical backup power
W
1500
Rate according to EN14825
0.0100
0.0070
0.0057
0.0044
Hydraulic Circuit
Maximum operating pressure heating / hot water tank
MPa (bar)
0.3 (3) / 1 (10)
Flow rate of the hydraulic circuit for 4°C<Δt<8°C
(rated conditions) minimum / maximum
l/h
490 / 980
650 / 1300
810 / 1620
1080 / 2160
Miscellaneous
Weight of outdoor unit
Kg
41
41
42
60
Weight of hydraulic unit (empty / full of water)
Kg
155 / 373
Water capacity of the hydraulic unit / hot water tank
l
24 / 190
Noise level at 1 m
1
(hydraulic unit)
dB (A)
39
Sound power level in accordance with EN 12102
2
(hydraulic unit)
dB (A)
46
Noise level at 5 m
1
(outdoor unit)
dB (A)
40
40
47
47
Sound power level in accordance with EN 12102
2
(outdoor unit)
dB (A)
63
63
69
69
Heating system operating limits
Outdoor temperature min/max
°C
-20 / +35
Max. heating water flow temperature underfloor heating
°C
45
Max. heating water flow temperature low temperature radiator
°C
52
Refrigeration circuit
Gas pipe diameters
Inches
1/2
1/2
5/8
5/8
Liquid Piping Diameters
Inches
1/4
1/4
1/4
3/8
Factory fill of refrigerant R410A
3
g
1100
1100
1400
1800
Maximum operating pressure
MPa (bar)
4.15 (41.5)
Minimum / Maximum length of pipes
4
m
5 / 15
Maximum length of pipes
5
/
Maximum level difference
m
30 / 20
1
Sound pressure level at (x) m from the appliance, 1.5m off the ground, open
field directionality 2.
2
The sound power level is a laboratory measurement of the emitted sound
power. It does not correspond to a measurement of the perceived sound power.
3
Refrigerant R410A as per NF EN 378.1 standard.
4
Filling with refrigerant R410A is done at the factory.
5
Taking into account a possible additional fill of refrigerant R410A
(see
"Additional filling", page 27
).
- 7 -
Alféa Extensa Duo A.I. Heat Pump
Installation and Operating Manual "1873- EN"
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