2
—22
2.3.
Basic designation of fans in the product range
Each fan in the product range is supplied with a nameplate where basic information about the product and
rated airflow data is stated.
The following data is stored on the nameplate:
Code:
Fan number used for identification during
the production process, and as a reference
for ordering spare parts for the fan in the
maintenance process.
N
0
:
Factory fan number combined with the date
of production
Type:
Fan type designation mark according to the
explanation from the introductory part of
this instruction.
Motor type:
Motor type designation mark according to
the motor manufacturer’s designation code.
Cust. mark
Customer article number
Q
The stated air flow in m
3
/s
Pstat
Static pressure in Pa
ptot
Total pressure produced at the fan outlet
( dynamic pressure) in Pa
n
The rated speed of fan in rounds per
minute (rpm)
U
Voltage and connection
f
Frequency in Hz
Input power:
Input power of the fan
– measuring on
motor in kW
Ir
Running current in A
Meas. cat
Measuring category according to Directive
2009/125/EC
Over.eff.,
Eff.grade
Overall efficiency and efficiency grade
according to Directive 2009/125/EC
VSD
Variable Speed Drive
– indication Y or N
Tmin-max
The rated min and max environment
temperature at which the fan is designed to
operate in.
Tm
Density at the stated temperature of the
medium
Weight:
Total weight of the fan unit
2.1.
Designation of fans with Ex protection
Every fan with Ex-protection, along with the basic nameplate, is equ
ipped with an additional plate on it’s
housing that provides information about the type of anti-explosive protection.
There is following data stated on the nameplate:
Code: Fan number used for identification during the
production process, and as a reference for ordering
spare parts for the motor in the maintenance
process.
Type:
Type designation of the fan
Protection:
Type of anti-explosion protection
Agency:
Number of Type Certificate issued by
the Fiditas NB
Besides stated designations, there is t
he “Ex” sign, and Fiditas-Agency certificates
