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3. Instructions for use
Intended use
GWM motor gearboxes are intended for ventilation and screening applications such as:
•
Ridge ventilation: linear-drive roof ventilation systems, for example in greenhouses, poly-tunnels
garden centres, office buildings or halls;
Side ventilation: linear-drive side ventilation systems, for instance in greenhouses, facades, halls, or
•
roll-up curtains or plastic tarps for greenhouses;
•
Screening: for example, screens driven by cables or toothed racks in greenhouses or strip curtain
systems;
Conditions of use
The following conditions of use are applicable when using the motor gearbox:
•
Operating ambient temperature range is 0°C to +60°C [32°F to 140°F];
Warning! Risk of burns!
The outside of the drive unit can reach temperatures in
excess of 60°C (140°F). We recommend fitting a
protective cover if the unit is within easy reach.
•
Max. force on output shaft radial 4000 N, axial 400 N
•
The gearbox is not suitable for continuous operation.
The gearbox is suitable for S3-30% operation;
•
The maximum continuous on time is 25 minutes;
•
•
The motor gearbox may be cycled a maximum of 3 times per minute;
•
The service life of the motor gearbox increases significantly with low loads and switching cycles which
allow intermediate cooling of the motor gearbox.
Restrictions on use
Structural modifications to the motor gearbox are not permitted. Any such modifications render the
manufacturer's warranty null and void and relieve the manufacturer of liability for any consequences. In
addition, the following restrictions are applicable with regard to the use of the motor gearbox:
•
Do not load the motor gearbox or drive train with a torque greater than specified;
•
Do not use the motor gearbox to operate parts located in the immediate vicinity (within easy reach) of
people.
Maintain safe distances in accordance with EN ISO 13857;
•
Do not expose the motor gearbox to direct water spray, rain or snow;
•
Do not use the motor gearbox to operate smoke and heat exhaust ventilation systems compliant with
NEN 6093 or DIN 18232;
•
Do not use the motor gearbox to operate automatic doors or gates used by people;
Do not use the motor gearbox in explosion hazard areas if express permission has not been granted to
•
do so.
De Gier B.V., Westlandseweg 9, 2291 PG WATERINGEN, THE NETHERLANDS, Tel. +31 (0)174 292089, Fax +31 (0)174 295644.
GWM Installation manual
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