The device described in these operating instructions
is an axial fan for the exhaust ventilation of small and
medium-sized houses that are heated in winter.
The SIKU 1, SIKU 2, SIKU 3 and VKO fans are
intended for aeration and ventilation and for installation
in a ventilation pipe.
The fans (except for SIKU 1, SIKU 2, SIKU 3 and VKO)
are designed for wall and ceiling installation.
The fans are designed for continuous operation with
permanent power supply.
The design of the fans is continuously improved and
updated and some models may differ from the descriptions
in these operating instructions.
The fan is designed for connection to an AC power supply
system with a voltage of 220-240 V and a frequency of 50 Hz.
Model 12 is designed for direct connection to a power supply
system with a voltage of 12 V and a frequency of 50 Hz or for
connection to an AC power supply system with a voltage of
220-240 V and a frequency of 50 Hz via a step-down
transformer, e.g. TRF 220/12-25 (special accessory).
The fan is not subject to mandatory earthing.
Protection against foreign object penetration and water:
IPX4 - VKO, SIKU 1, SIKU 2, SIKU 3
IP24 - AZ, LD Auto
IP34 - M, PF, S, LD, Silenta-S
Nominal air flow per air volume is:
For fans with outlet ports Ø100 mm - 55 - 107 m3/hr (±5 %)
For fans with outlet ports Ø125 mm - 108 - 232 m3/hr (±5 %)
For fans with outlet ports Ø150 mm - 220 - 348 m3/hr (±5 %)
The electrical rated power of the fans is:
For fans with outlet ports Ø100 mm - 5.3/22 W
For fans with outlet ports Ø125 mm - 9.1/26 W
For fans with outlet ports Ø150 mm - 20/32 W
The noise level at 3 m distance is no more than 40 dBA.
The fans are designed for use in ambient temperatures from +1°C
to +45°C. The service life is at least 5 years.
PROPER INTENDED USE TECHNICAL DATA
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