EN - 28
8 Technical specifications
Description
ComfoFond-L Eco 350
ComfoFond-L Eco 550
Mass ComfoFond-L Eco
46 kg
47 kg
Unit dimensions (l x b x h)
476 x 551 x 760 mm
476 x 551 x 760 mm
Air inlet dimensions
180 mm
180 mm
Air outlet dimensions
160 mm
180 mm
Outside temperature operating area
-22ºC to 45ºC
-22ºC to 45ºC
IP class
44
44
Power supply
220/230V AC, 50/60Hz, 1 phase
220/230V AC, 50/60Hz, 1 phase
Maximum power consumption
0.58 A
0.58 A
Power consumption nominal
0,12 A
1
0,19 A
2
Energy consumption maximum
3
70 W
70 W
Energy consumption nominal
3
11 W
1
19 W
2
Heating capacity (water based)
1864 W
4
2670 W
6
Cooling capacity (water based)
1961 W
5
2784 W
7
Maximum sound power level
40 dB(A)
40 dB(A)
Ideal brine pressure
1.5 bar
1.5 bar
Brine volume ComfoFond-L Eco
+/- 2 l
+/- 2 l
Brine flow rate
6-8 l/min.
8-10 l/min.
Brine composition
30%-50% ethylene glycol
water mixture
30%-50% ethylene glycol
water mixture
Brine connections
¾” straight male-threaded
¾” straight male-threaded
Pump Class circulation pump
A
A
Maximum head circulation pump
7m
7m
Condensation drain connection
1¼” male-threaded with
32 mm adapter
1¼” male-threaded with
32 mm adapter
Colour
RAL7035
RAL7035
1
Geothermal collector: 100 m, 25/20.4 mm, 6 l/min
2
Geothermal collector: 100 m, 25/20.4 mm, 8 l/min
3
Linear adjustment of the energy consumption is possible
4
Q
v
= 350 m
3
/h, T
outside air
= -12 °C,
T
brine flow
= 8 °C,
v
brine flow
= 6 l/min,
T
supply air
= 2,3 °C.
5
Q
v
= 350 m
3
/h, T
outside air
= 35 °C,
T
brine flow
= 12 °C,
v
brine flow
= 6 l/min,
T
supply air
= 17,3 °C.
6
Q
v
= 550 m
3
/h, T
outside air
= -12 °C,
T
brine flow
= 8 °C,
v
brine flow
= 8 l/min,
T
supply air
= 1,3 °C.
7
Q
v
= 550 m
3
/h, T
outside air
= 35 °C,
T
brine flow
= 12 °C,
v
brine flow
= 8 l/min,
T
supply air
= 18,9 °C.
8.1 Brine loop dimensions
The ComfoFond-L Eco terrestrial heat collector (recommendations)
Type
Pipe type
Brine volume per 10
metre pipe [l]
Minimum length pipe in
solid ground [m]
Minimum length pipe
in sandy ground [m]
ComfoFond-L Eco 350
25/20.4 PE
3,3
65
130
ComfoFond-L Eco 550
32/26.2 PE
5,3
100
200
8.2 Brine mixture
Desired ethylene glycol percentage
Maximum outside temperature [ºC]
Percentage [%]
-15
35
-20
40
-25
45
-30
50
Higher concentrations of ethylene glycol can
cause flow-related problems on account of the
viscosity of the mixture. Irreversible damage will
be caused to the machine if concentrations in
excess of 50% are used.
Summary of Contents for ComfoFond-L Eco 350 L
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