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Nicotra AT User Manual

Nicotra AT
31 pages
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Nicotra S.p.A.- Via C.Cantù,1 – 20121 Milano – Italy
Factory.: Via Modena, 18 – Ciserano Loc. Zingonia (BG)– Italy
Factory.: Strada di Ronchis, 5 – Remanzacco (UD) - Italy
Cod. 985719 – 00 / Jan 2004
INSTALLATION AND MAINTENANCE
MANUAL
CENTRIFUGAL FANS
AT-AS-ASH-RSH-ADH-RDH
In accordance with ATEX directive
In issuing this guide-book maximum attention has been paid to ensure correct information. Nicotra S.p.A. does not accept any
responsibility for eventual errors or omissions.
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Nicotra AT Specifications

General IconGeneral
CategoryFan
ApplicationVentilation
VoltageVaries by model
Noise LevelVaries by model
WeightVaries by model
DimensionsVaries by model

Summary

GENERAL INFORMATION

ATEX VERSIONS

Specific information for fans used in potentially explosive atmospheres.

RECEIVING AND INSPECTING THE PRODUCT

DATA ON THE RATING PLATE

Details and meaning of information found on the fan's rating plate.

WEIGHTS OF THE PRODUCTS

Table listing approximate weights for different fan models and sizes.

HANDLING AND LIFTING THE FAN

Guidelines for safely handling and lifting fans to prevent damage.

STORAGE

Recommended conditions for storing fans to maintain their integrity.

FUNCTION AND DESIGN OF THE FAN

OPERATING CONDITIONS

General guidelines for fan operation and specific conditions for ATEX versions.

OPERATING LIMITS

Maximum power, speed, and temperature limits for fan operation.

BALANCING

Information on the static and dynamic balancing of fan impellers.

BEARINGS

Details about the bearings used, their selection, and life expectancy.

SHAFTS

Design considerations for fan shafts regarding critical speed.

INSTALLATION

FIXING THE FAN

Instructions and points to consider for securely fixing the fan.

INSTALLING THE DRIVE SYSTEM

Guidance on installing pulleys, belts, and ensuring proper belt tension.

SAFETY ACCESSORIES

Information on standard and optional safety devices for fans.

INSPECTION AFTER INSTALLATION

Checks to perform after the fan has been installed.

STARTING THE FAN

Procedures and checks before and during the initial fan start-up.

MAINTENANCE

ORDINARY MAINTENANCE

Regular servicing tasks to ensure smooth fan operation and longevity.

REPLACING INSTRUCTIONS FOR BEARINGS

Detailed steps for dismantling and mounting various types of bearings.

ATEX – DECLARATION OF CONFORMITY

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