FlaktWoods ECONOVENT - PUM, Техническое руководство, Страница: 15 / 30

Fläkt Woods 3099 US 03.02 15
Specifications are subject to alteration without notice
PUMA (A–F) Rotary heat exchanger TECHNICAL HANDBOOK
Design chart
Hygroscopic rotor with wider
foil spacing
600 800 700 1 000 1 200 300
0.2
0.3
0.4
0.5
1
2
3
4
5
10
20
30
40
50
200 000
150 000
100 000
50 000
40 000
30 000
20 000
15 000
10 000
8 000
6 000
5 000
4 000
3 000
2 000
1 500
500
1 000
2 000
3 000
4 000
5 000
10 000
20 000
30 000
40 000
50 000
100 000
1 000
800
Supply air flow, m
3
/h
Supply air flow, m
3
/s
Supply air flow, CFM
0.25
0.2
0.3
0.2
0.4 0.35 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.6 1.8
0.25 0.3 0.35 0.4 0.45 0.5 0.6
0.35 0.4 0.45 0.5 0.6 0.7 0.8
0.25 0.3 0.35 0.4 0.45 0.5
0.3 0.4 0.5 0.6 0.7 0.8
Air velocity, FTM
Pressure drop, IN. WG.
Pressure drop, IN. WG.
Pressure drop, IN. WG.
Pressure drop, IN. WG.
400 500
600 800 700 1 000 1 200 300 400 500
Pressure drop, IN. WG.
100
90
80
70
60
50
40
0.5 0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.8
2.0
Air velocity, FTM
η
t = Supply air temperature efficiency, %
at maximum rotor speed
80
70
60
50
40
Composite rotor
Selected size
Non-hygroscopic rotor with
standard foil spacing
Non-hygroscopic rotor with
wider foil spacing
Hygroscopic rotor with stan-
dard foil spacing
The area marked
yellow is the normal
operating rane of
the heat exchanger
Wider foil spacing Standard foil spacing
500 Size
Supply air/exhaust air flow ratio - q2/q3
460
420
380
290
350
320
265
240
215
190
200
170
150
135
120
110
095
080
060
Chart 4
The area marked
blue/grey is the normal
operating range of the
heat
exchanger
FPM
in.
in.
in.
in.
in.
FPM