1 .3
Specifications
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
Coefficient 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 flow 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
3
g
2500
Maximum operating pressure
bar
41,5
Minimum / Maximum length of pipes
4
m
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 field.
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 fluid
R410A (see
"Additional charge", page 21)
Installation and operating manual "1572 - EN"
- 5 -
Heat pump air/water split 2 services alféa excellia duo