Related Manuals for NOVENCO CNA Series
Summary of Contents for NOVENCO CNA Series
- Page 1 Pure competence in air. CNA-CNB CENTRIFUGAL FANS INSTALLATION AND MAINTENANCE 916505-0 ENGLISH...
- Page 2 The fan is provided with a standard 4.1 Attachment the flanges of the fan casing, the mount- nameplate with Novenco's name and ad- The fan can be mounted on any of the ing bolts etc. are strong enough to sup- dress.
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Page 3: Start Of Operation
- Operation with repeated start- ing and stopping Fans with free inlets or outlets must be If in doubt Novenco should be fitted with wire guards according to cur- contacted to assess the suitability rent regulations to prevent contact with of the fan. -
Page 4: Belt Pulleys
The correct tension of Novenco's stand- The belt drive must be dimensioned hav- 6.7 Bearing assembly ard belts are in table 3, defined as the ra- ing regard to the smallest permissible The belt driven fans are provided with a... - Page 5 screws, mounted in the bearing hous- grease, penetration class 2 (e. g. SKF Al- 6.8 Dismounting of motor for CNA & CNA-M and ings, are loosened so that bearing and falub LGMT-2). CNB/D & CNB/D-M conical cover can be withdrawn from the If the sealing ring at the farthest end of When changing the motor to a motor shaft.
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Page 6: Fault Localization
6.9 Fault localization Deficiency in performance – Blocked air supply on fan inlet side – Damper closed – Duct choked – Installation conditions resulting in poor air flow to impeller – Impeller has wrong direction of rota- tion – Motor defective –... -
Page 7: Attestation Of Conformity
EMC - Part 6-3: Generic standards - Emission standard for residential, commercial and light-industrial envi- ronments EN 61800-3, class C2: Adjustable speed electrical power drive systems, EMC requirements and specific test methods It is a condition that Novenco's instruc- tions for installation have been followed. - Page 8 Pure competence in air. WWW.NOVENCO-BUILDING.COM...