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Air to Water Heat Pump (Split integrated DHW type)
1 .3
Specifications
Designation model Waterstage Comfort
Designation model alfea extensa duo +
Nominal heating performances (outdoor temperature/ initial temperature)
Heat output
+7 °C / +35 °C - Floor heating system
-7 °C / +35 °C - Floor heating system
+7 °C / +45 °C - Low temperature radiator
-7 °C / +45 °C - Low temperature radiator
+7 °C / +55 °C - Radiator
-7 °C / +55 °C - Radiator
Power absorbed
+7 °C / +35 °C - Floor heating system
-7 °C / +35 °C - Floor heating system
+7 °C / +45 °C - Low temperature radiator
-7 °C / +45 °C - Low temperature radiator
+7 °C / +55 °C - Radiator
-7 °C / +55 °C - Radiator
Coefficient of performance (COP)
Electrical characteristics
Supply voltage (50 HZ)
Maximum current for appliance
Nominal current
Maximum current of the Heating electrical back-ups
Power of the Heating electrical back-ups (option)
Real power absorbed by the fan
Real power absorbed by the circulation pump
Maximum power absorption by the outdoor unit
Electrical back-up power DHW
Hydraulic circuit
Maximum operating pressure Heating
Maximum operating pressure Domestic hot water tank
Hydraulic system flow rate 4°C<Δt<8°C (nominal conditions)
Various
Weight of outdoor unit
Weight of hydraulic unit (empty / full of water)
Water capacity of the hydraulic unit / of the domestic tank
Noise level at 1 m
(hydraulic unit)
1
Sound power level according to EN 12102
Noise level at 1 m
(outdoor unit)
1
Sound power level according to EN 12102
Heating system operating limits
Outdoor temperature mini / maxi
Initial max. heating water temperature Floor heating system
Initial max. heating water temperature Low temperature radiator
Refrigeration circuit
Diameter of "Gas" pipes
Diameter of "Liquid" pipes
Factory charge of refrigerant R410A
Maximum operating pressure
Minimum / Maximum length of pipes
Maximum length of pipes
/ Maximum level difference
5
Sound pressure level in (x)m of the device, 1,5m of the ground,
1
the open field.
The sound power level is a laboratory measure of the emitted
2
sound power but contrary to the noise level, it doesn't correspond to
the measure of the felt.
Installation and operating manual "1585 - EN"
(+7 °C / + 35 °C)
(hydraulic unit)
2
(outdoor unit)
2
3
4
5
5
kW
4,50
kW
4,10
kW
4,50
kW
4,10
kW
4,50
kW
3,70
kW
1,00
kW
1,47
kW
1,31
kW
1,86
kW
1,79
kW
2,20
4,52
V
A
11
A
4,5
A
kW
W
49
W
W
2530
W
bar
bar
l/h
490 / 980
kg
41
kg
l
dB
dB
dB
38
dB
63
°C
°C
°C
inches
1/2
inches
1/4
g
1100
bar
m
5 / see
m
Refrigerant R410A (as per the standard EN 378.1).
3
Factory charge of refrigerant R410A.
4
Taking into account the possible additional load of refrigeration fluid
5
R410A (see
"Additional charge", page 22).
6
6
8
8
6,00
7,50
4,60
5,70
5,10
6,20
4,45
5,05
4,50
5,0
3,85
5,20
1,41
1,84
1,74
2,23
1,50
1,87
2,04
2,47
1,79
1,94
2,33
3,34
4,26
4,08
230
12,5
17,5
6,3
8,1
13,05 / 26,1
ajustable 3 or 6 kW
49
49
24
2875
4025
1500
3
10
650 / 1300
810 / 1620
41
42
152 / 366
24 / 190
39
46
38
41
63
69
-20 / +35
45
52
1/2
5/8
1/4
1/4
1100
1400
41,5
"Additional charge", page 22
20 / 15
10
10
10,00
7,40
8,27
7,40
7,00
7,00
2,49
2,97
2,53
3,70
2,86
4,15
4,02
18,5
10,9
100
4255
1080 / 2160
60
42
69
5/8
3/8
1800
- 5 -
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