8
Air conditioning unit -
TDA range
Selection, installation, use and maintenance manual
Model
TDA 09
TDA 15
TDA 21
TDA 28
TDA 37
Nominal air flow rate
m³/h
800
1400
2000
2700
3500
l/s
222
389
556
750
972
Effective static pressure (1)
Pa
277
330
227
150
240
Output in cool mode with 3R coil (2)
total
kW
4.9
7.4
11.1
14.7
17.9
sensible
kW
3.5
5.6
8.2
10.9
13.7
Output in cool mode with 4R coil (2)
total
kW
6.1
9.7
13.1
18.4
22.3
sensible
kW
4.3
6.9
9.4
12.5
15.2
Output in cool mode with R407C coil (3)
total
kW
5.1
7.5
10.7
14.1
16.7
sensible
kW
3.5
5.2
7.4
9.9
12.4
Minimum air flow rate on direct expansion coil
m³/h
640
1120
1600
2160
2800
Output in heat mode with 3R coil (4)
kW
10.4
16.6
24.2
32.1
41.2
Output in heat mode with 4R coil (4)
kW
12.1
19.9
27.3
36.8
45.4
Output of heating coil for 4-pipe system (4)
kW
5.2
8.8
12.6
16.4
20.9
Output in heat mode with 3R coil (5)
kW
5.1
8.1
11.9
15.7
20.1
Output in heat mode with 4R coil (5)
kW
6.0
9.8
13.4
18.2
22.3
Output of heating coil for 4-pipe system (5)
kW
2.5
4.3
6.0
7.8
10.0
Electric coil output
kW
4
6
8
10
12
V-Ph-Hz
230V~ / 50Hz
400V / 3~ / 50Hz
400V / 3~ / 50Hz
400V / 3~ / 50Hz
400V / 3~ / 50Hz
Minimum air flow rate on electric coil
m³/h
640
1120
1600
2160
2800
Sound power level (6)
dB(A)
62
63
70
72
73
Fans no.
1
2
2
1
2
Motors no.
1
2
2
1
2
Maximum input power
kW
0.357
0.713
0.736
0.874
1.771
Maximum input current
A
1.6
3.1
3.2
3.8
7.7
Fan power supply
V-Ph-Hz
230V~ / 50Hz
230V~ / 50Hz
230V~ / 50Hz
230V~ / 50Hz
230V~ / 50Hz
Filter efficiency (7)
G4
G4
G4
G4
G4
Connections
Diameter of water coil collectors
Ø
1”
1”
1”
1”
1”
Diameter of direct expansion coil connections (liquid)
Øi
(mm)
10
10
12
16
16
Diameter of direct expansion coil connections (gas)
Øu
(mm)
18
22
22
28
28
Diameter of condensate discharge pipe
Ø
3/8”
3/8”
1/2”
1/2”
1/2”
Dimensions and weight
Height
mm
300
320
320
380
380
Width
mm
920
1000
1400
1400
1400
Depth
mm
630
670
670
790
790
Net weight (8)
kg
42
53
71
88
91
NOTES
(1)
at nominal flow rate with 3-row coil
(2)
Temperature of incoming air 27 °C d.b. 19 °C w.b.; water temperature (In-Out) 7 °C-12 °C
(3)
Temperature of incoming air 27 °C d.b. 19 °C w.b.; average evap. temp. 7 °C
(4)
Temperature of incoming air 20 °C; water temperature (In-Out) 70 °C-60 °C
(5)
Temperature of incoming air 20 °C; water temperature (In-Out) 45 °C-40 °C
(6)
in compliance with UNI EN ISO 9614
(7)
in compliance with EN 779
(8)
with 4-row coil
Nominal technical data