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PREPARATION TO DEVICE OPERATION
Attention! All maintenance works and connection of
fans are to be performed only after switching off
mains.
Connection of fans to electric power supply must be
performed only through switch with actuation length
not less than 3 mm at all poles.
Direction of air charging is to comply with direction
of arrow on the fan case.
VKO-series are mounting in ventilation air ducts from
both ends and nipped with clamps.
Fans of other models are inserted in the hole of the
air duct and mounted on the wall or ceiling with
dowels. If necessary, ensure conditions to prevent
free access to impeller and current-carrying parts of
fan by protective means from side of outcome
(ventilation grille, protective cowl and so on).
Connection of fans to electric power supply is shown
in Fig. 1-8.
An order in witch connection of fans should be
made is indicated in Tab. 2
15
Fan type
Take away a protective cowl. Pass power supply cords through
a hole (3), smooth out wire rags at length 7-8 mm to clamp
terminals (4) against stop to the metal part of the clamp and
VKO
tighten them with screws
Fix cords with the help of clip (2).
Reinstall protective cowl and grid back.
Remove protective grid and cover. Pass power supply cords
through a hole (3) (having cut a thin plastic pierce on the spot
of opening beforehand).
EL 500
Smooth out wire rags at length 7-8 mm to clamp terminals (4)
EL 600
against stop to the metal part of the clamp and tighten them
EL 700
with screws.
EL 900
Fix cords with the help of clip (2).
Reinstall cover and protective grid back.
Remove protective grid and cover Pass power supply cords
through a hole (2) (having cut a thin plastic pierce on the spot
of opening beforehand). Smooth out wire rags at length
EL 800
5-7 mm to clamp terminals (1) against stop to the metal part
of the clamp and tighten them with screws.
Reinstall cover and protective grid back
On fans without a switch off we recommend to install
a on and off switch on the fixed power supply.
Connection to power supply
tabel 2
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