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Purpose
CECYL axial-flow duct electric fans are intended for use in ventilation systems of industrial, public, and
residential buildings. The duct funs are connected to round ducts.
Electric fans are designed to remove air and other non-explosive gas-air mixtures that do not contain
sticky substances and fibrous materials, with a dust and other solid impurities content of no more than
10mg/m³, at a temperature of transported air not lower than -20 °C and not above +40 °C.
Safety requirements
The fans are designed to be connected to an alternating current with a voltage of 220-240V and a
frequency of 50Hz. According to the shock-hazard protection type, the fans refer to Class II devices (for
models 100-200), Class I (for models 250-315), in accordance with GOST 12.2.007.0-75. The climate
category «moderately cold» Type «4» (УХЛ4) GOST 15150-69.The degree of
the fan protection against access to hazardous parts and water ingress is IP44 and the degree of the
motor protection is Ip44.
ATTENTION!
The fan should not be operated outside the specified temperature range (from +1 °C to +40 °C).
It is forbidden to install the fan in the same ventilation line with the smoke injector pipe from
devices with fuel burners.
ATTENTION!
• All work on installation and connection of fans should be carried out only with the mains voltage
removed.
• The fans shall be connected by electricians who have a special permit for the work performed.
Means for disconnecting from the mains supply should be built into the fixed wiring, in
accordance with the installation regulations. The disconnecting device should
disconnect all poles. The grounding conductor should not break.
• The device is not intended for use by persons (including children) with reduced physical,
mental capacity, or mental abilities or lack of experience or knowledge, unless they are
supervised or instructed to use the device by a person responsible for their safety. Children
should be supervised to ensure that they do not play with the device.
Please read the instructions carefully. Pay particular attention to the operating
requirements.
Axial-flow duct electric fans of the combined type
2
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