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Product performance
Heat output - EC
Model
Fan
Reference
Speed
Low
Mid
EC 60
High
Low
Mid
EC 120
High
Model
Fan
Reference
Speed
Low
Mid
EC 60
High
Low
Mid
EC 120
High
*a typical room is taken as a room with a volume of 173m
against a wall or ceiling (radiating noise in a quartersphere). No allowance is made for attenuation provided by ceilings, enclosures or ductwork.
Outputs based upon testing at EN442: 2014 using mean water temperature and an entering air temperature of 20°C with a 10°C temperature
drop between flow and return.
Model
Fan
Reference
Speed
Low
Mid
EC 60
High
Low
Mid
EC 120
High
Correction factors
Mean Water Temp °C
Water Temperature drop °C
Entering Air Temperature °C
Factors are approximate data based upon a standard coil.
How to calculate Mean Water Temperature (∆T)
Flow temperature +
Return temperature
Mean water
temperature (∆T)
Control
40°C
Voltage VDC
MWT
3.4
0.85
4.9
1.02
6.4
1.18
3.1
1.62
4.3
2.31
5.5
2.99
Air Volume (m
/h)
Air Volume (l/s)
3
201.00
290.50
380.00
419.30
549.65
680.00
3
Hydraulic
Nominal Weight (KG)
Resistance (KPA)
1.38
1.69
2.00
17.78
20.59
23.40
5
15
1.13
18
1.08
20
1.04
25
0.93
- Ambient
Temperature
2
45°C
50°C
55°C
MWT
MWT
MWT
1.20
1.45
1.80
1.53
1.92
2.37
1.85
2.38
2.93
2.34
3.32
3.98
3.25
4.27
5.15
4.15
5.21
6.31
Specific Fan
Power w/ls
55.90
0.14
80.75
0.26
105.60
0.32
116.50
0.14
152.68
0.26
188.89
0.34
and a reverberation time of 0.8 seconds at 500 Hz with one unit installed, situated
Capacity (L)
23.00
45.00
45 - 80
10
15
1.10
1.07
1.05
1.02
1.00
0.95
0.91
0.89
60°C
65°C
70°C
MWT
MWT
MWT
2.16
2.35
2.73
2.76
3.18
3.58
3.36
4.00
4.43
4.71
5.62
6.32
6.07
7.02
7.91
7.42
8.41
9.50
Power
Consumption (W)
8.00
21.00
34.00
16.00
40.00
64.00
Water
0.92
2.08
20
1.05
0.99
0.89
0.86
Issue 001 - October 2023 | SmithsEP.co.uk | 7
75°C
80°C
MWT
MWT
3.08
3.40
4.05
4.38
5.02
5.36
6.99
7.61
8.74
9.60
10.48
11.59
NR in typical
room*
34.00
41.50
49.50
34.00
42.00
49.96
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