Mark NFRA AQUA ECO Livret Technique page 7

10. Determine the pressure drop on the water side [2]:
T1 Single side Sit.A
T2 Single side Sit.A
T3 Single side Sit.A
T4 Single side Sit.A
T1 Alternating sides Sit.B
T2 Alternating sides Sit.B
T3 Alternating sides Sit.B
T3 Alternating sides Sit.C
R = Water resistance per panel length in Pa/m
Z = water resistance in Pa for both distributors
(
2
m
pipes
R =
173
Calculation example: T=1 , 79,5 kg/h (B)
∆P = LB x R +Z
R = 41 Pa Z = 202 Pa
Determine the pressure drop for both panel groups:
∆P = 42 x 41 + 202 = 1924 Pa
3.0 Transport.
Leave the panels on the pallet for as long as possible.
Ensure the pallet does not bend too much (do not move the pallet using a pallet truck).
To prevent bending, move the panel rotated/turned by 90º [8].
Panels must be stored in a dry environment.
4.0 Mounting panels. [9][10]
4.1 Mounting instructions [9]
– The panel must be placed at a minimum height of 2m above the floor.
– The measurement from the centre point of the panels must not be greater than the height
above the floor. [5]
– Distance between the installation profiles max. 2 metres [9].
– Suspend the panels in such a way that they can expand freely lengthways [9][10].
Key table [10]
A = Number of tubes
B = Section length
D = Number of brackets
E = Number of press links
F = Cover between panels
∆P = (Lb x R1) + (Lb x R2) + Z
∆P = (Lb x R1) + (Lb x R2) + Z
∆P = (Lb x R1) + (Lb x R2) + Z
∆P = (Lb x R1) + (Lb x R2)+ (Lb x R3) (Lb x R4)+ Z
∆P = (Lb x R1) + Z
∆P = (Lb x R1) + Z
∆P = (Lb x R1) + (Lb x R2)+ (Lb x R3) + Z
∆P = (Lb x R1) + Z
(
Z = —— x 2000
x 196
1000
2
m
EN
7