1
Sound pressure level at (x) m from the appliance, 1.5m from the ground,
free field directivity 2.
2
the acoustic power is a laboratory measurement of the power of the
sound emitted but contrary to the sound level, it does not correspond
to the measurement of what is felt.
3
refrigerating fluid R410A in compliance with standard NF EN 378.1.
4
factory volume of refrigerating fluid R410A.
5
Taking into account the possible extra volume of refrigerating fluid
R410A (see
§
).
Denomination : alféa hybrid duo oil low NOx flue model
11
14 +
11 3 ph .
14 3 ph .
16 3 ph .
Electrical characteristics
Voltage (50 HZ)
V
230
400
Maximum current of the appliance
A
22
25
8 5
9 5
10 5
Nominal current
A
11 4
14 2
3 7
4 8
5 5
Real absorbed power by the fan
W
2x100
2x104
Real absorbed power by the circulator
W
151
Real absorbed power by the outdoor unit
W
5060
5750
5865
6555
7245
Burner (low NOx), Combustion chamber, flue
Fuel flow rate
kg/h
2 3
Nominal calorific flow rate
kW
28 0
Jet
Danfoss
0.55 gph - 80°S
Pump
Suntec
AS 47
Factory set pressure
bar
15
Combustion chamber (diameter / Length)
mm
270 / 400
Combustion chamber (Volume)
dm
3
22 9
Volume on smoke side
dm
3
31 1
Number of turbulators in the exchanger
-
7
Temperature of the smoke
°C
190
Mass flow rate of the smoke
kg/h
44 4
Boiler pressure
Pa
3 to 5
Optimum low pressure in the chimney
Pa
15
Hydraulic circuit
Maximum heating operating pressure
bar
3
Hydraulic circuit flow rate (min./max.) for 4°C<Δt<8°C
(nominal conditions)
l/h
1170 / 2340 1460 / 2920 1170 / 2340 1460 / 2920 1650 / 3290
Domestic hot water tank
Capacity of domestic hot water tank
litre
125
Max. operating pressure
bar
7
Specific flow rate (in boiler mode only)
l/mn
19
Miscellaneous
Weight of the outdoor unit
kg
92
99
Weight of the hydraulic module (empty/with water)
kg
215 / 482
Capacity in water of the heating body
litre
142
Expansion vessel
litre
18
Noise level at 1 m
1
( hydr. mod. in thermodynamic oper.)
dB
35 5
35 5
Acoustic power as per EN 12102
2
(hyd. module)
dB
43 3
43 3
Noise level at 5 m
1
(outdoor unit)
dB
42
43
39
41
42
Acoustic power as per EN 12102
2
(outdoor unit)
dB
69
70
66
68
69
Heating system operating limits
Min./max. outdoor temperature
°C
-25 / +35
Max. water temperature thermodynamic mode
°C
60
Max. water temperature for start of heating
°C
80
Refrigerating circuit
Diameters of the gas pipes
inches
5/8
Diameters of the liquid pipes
inches
3/8
Factory volume added of refrigerating fluid R410A
3
g
2500
Max. operating pressure
bar
41 5
Min. length of pipes
m
5
Max. length of pipes
4
m
15
Max. length of pipes
5
/ Max. height diff.
5
m
20 / 20
Installation and operating manual
"
1605 - EN
"
- 5 -
alfea hybrid duo heat pump oil low NOx CH