Commissioning; K-Factor Setting - Swegon Parasol Zenith VAV 600 Installation, Commissioning Maintenance

PARASOL Zenith VAVc

Commissioning

K-factor setting

K-factor setting for products ordered without motor
2
q
( )
p = [Pa]
i k
q = k· p [l/s]
√
i
q
p = k
√
i
p [Pa]
i
q [l/s]
k = k-factor
Example: To achieve the required flow of 25 l/s at 100 Pa, requires k-factor 2.5
A
Find the product's length and air connection diameter from left-hand side of the k-factor table.
B
Read the required k-factor on the row in question.
C
Follow the vertical row and read the number of degrees at the bottom.
D
Loosen the screw located in the knob's groove (the knob then moves to the fully open position, 90°)
E
Turn the knob until the marking reaches the required number of degrees.
In the example from the table for a PARASOL Zenith VAV with length 1200, ø125, k-factor 2.5, turn the knob to 44°.
F
Tighten the screw again when the marking is set on the required number of degrees.
K-factor table
A
C
12
Swegon reserves the right to alter specifications.
B
p = 100 Pa
i
Knob
19/10/2020
E
D