Specifications

COLASIT AG
Plastic construction
CH-3700 Spiez
Phone [phone] Fax [phone]
Edition 2011 / Subject to alteration
Copyright by COLASIT AG Spiez
Page 15
Fault Possible causes Remedy
Intake or pressure duct blocked Remove blockage
Electrical switching
mechanisms incorrectly
adjusted
Check motor protection setting
and reset if necessary
Motor winding defective
Please consult the
manufacturer
Fan fails to reach its rated
speed
Drive motor drive not correctly
designed
Please consult manufacturer
to verify starting torque
Grinding noises when fan is
running or starting
Intake duct fitted under tension Remove intake duct an realign
Rise in temperature of roller
bearings
Bearing was not greased
Change bearing and grease at
regular intervals as stipulated
in the maintenance
instructions
13 Retrofittable original accessories
If not already a part of our scope of supply, these original parts are available ex stock when ordered.
- Frequency converters
- Elastic sleeves
- Vibration dampers
- Condensats drains
- Motor cover for outdoor installation
- Splinter protection
14 Fan identification
The following rating plate is affixed to each COLASIT fan:
1 Manufacturer
2 Field for CE marking and applicable standards
3 ATEX-identification, for details see the section on Explosion Protection
4 Fan specifications: fan type, casing design, material of casing and impeller, order number and date of
manufacture.
5 Technical specifications
Part 2: Units
15 Design and function of the CMVeco 125 - 400
All impellers in this series are balanced to better than Q6.3 according to VDI 2060.
The casing with its thermoplastic rear panel is screwed onto the support base and can be easily dismantled
for inspection or cleaning purposes.
The fans are available in 2 standard designs
 Direct drive
 V-belt drive
As a basic principle, plastic fans are to be installed on the intake side in order to avoid leaks.