10
Supply air unit VEKA
InStAllAtIon & MAIntEnAncE
Fläkt Woods
8514 GB 008.11
Subject to alteration.
VEKA
Flow indicator VEKZ-27-1
Flow indicator systematic error is +/- 10%, on con-
dition that the installation and care instructions are
observed.
Flow indicator indicates a pressure drop in Pa. A
sign with a conversion to m
3
/s is supplied separa-
tely.
Installation
Install the indicator vertically on a wall or on the
side of the unit with the screws supplied.
Adjust the indicator in the horizontal sense.
Filling with liquid
Follow the instructions supplied in the indicator
carton.
Hose connection
Cut the supplied hoses to a suitable length and
install them between the nipples on the unit side
and the indicator. Clip the hoses securely in place
so that they are not damaged or kinked.
temperature correction
The pressure scale on the indicator does not apply
to air at a temperature of +20°C. At other air tem-
peratures, the pressure must be corrected with the
formula:
where p = the actual pressure, p
20
= the indicated
pressure and t = prevailing temperature in °C.
( + t)
9
p = p0
.
m
/s
