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16
VOK, VOK1
1
3
Figure10
CONNECTION TO POWER MAINS
Switch power supply off before starting any operations with the fan.
Connection to power supply must be done by a duly qualified electrician.
The rated electrical parameters are shown on the rating plate.
Any tampering with the internal connection is prohibited and will void
warranty.
Depending on the modification the fans are powered by single-phase
230 V / 50 Hz or 60 Hz or 400 V / 50 Hz alternating current.
The fan must be connected through insulated durable and thermal-resistant
wires (cables).
The automatic circuit breaker incorporated into the fixed power network that
breaks all the phases must be installed at the external electric input
230 V / 50 Hz or 60 Hz or 400 V / 50 Hz.
The external circuit breaker QF location must provide free and unhampered
access to the fan for quick switching off in case of need.
The overcurrent protection must match the rated current consumption
Of the fan.
QF
VKV, VKH, VKV EC, VKH EC, VKMK, VKMKp, VOK, VOK1
2
4
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