POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE
MANUFACTURER’S LABEL.
• The unit is designed for connection to power mains with the parameters specified in the “Technical data” section.
• The connection must be made using durable, insulated and heat-resistant conductors (cables, wires). The actual wire cross section
selection must be based on the maximum load current, maximum conductor temperature depending on the wire type, insulation,
length and installation method.
• Connecting the unit to power mains should be carried out in accordance with the wiring diagram and terminal designations.
• The external power input must be equipped with an automatic circuit breaker (QF) built into the stationary wiring to open the circuit
in the event of overload or short-circuit. The position of the external circuit breaker must ensure free access for quick unit power-
off. The automatic circuit breaker rated current must exceed the ventilator current consumption, see the Technical data section or
the unit label. It is recommended to select the rated current of the circuit breaker from the standard series, following the maximum
current of the connected unit. The circuit breaker is not included in the delivery set and can be ordered separately.
External connections diagram
X1
QF
LOW
MIDDLE
HIGH
S1
L
N
PE
L
1
3
2
1
C
2
3
4
5
6
7
8
N
PE
SL
1
2
3
1~230 V
50 Hz
Designation
Unit name
Cable type
Maximum cable
length
Note
S1
Speed switch
4x0.75 mm2
10 m
QF*
Automatic circuit breaker
X1
Terminal block
Air flow control is carried out using a remote speed switch (included in the delivery set).
WARNING!
Refer to the appropriate User’s manual for installation and function of the speed switch.
CONTROL
CONNECTION TO POWER MAINS
www.blaubergventilatoren.de
KOMFOrt ultra d 105(-A)
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