12
ORIGINAL INSTRUCTIONS
VES Andover Ltd Eagle Close Chandlers Ford Ind. Est Eastleigh Hampshire SO53 4NF
Tel: 08448 156060 Fax: 02380 261204 E-mail: [email protected] Web: www.ves.co.uk
Acoustic Supply Unit
Installation, Operation and Maintenance Manual
®
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
Δ
p
Di
ff
er
en
"
al Pr
essur
e
P
a
w
q Air Volume m /s
v
³
Example:
Unit Size: 5
Measured differential pressure: 350Pa
Reading from graph: 0.5
Air Volume: 0.5 m
3
/s
Differential pressure
curve
Fig.
19
Standard Wiring
& Fan Installation
Continued
Differential Pressure readings are only avaliable for unit sizes 3-10.
S
iz
e
3
S
iz
e
5
S
iz
e
6
S
iz
e
7
S
iz
e
8
S
iz
e
9
S
iz
e
1
0
S
iz
e
4
5
Important
