Page 1
Operating instructions CRDV-D 200-315 Roof fan with direct drive Your point of contact: Colasit Representative Street Location Version 1.0-en | 07/2024...
Page 2
Description Date Name 1-en First version published. 7/1/2024 A. Roth Document identification Translation of the original German operating instructions. Colasit TD-000877 Contact information Manufacturer COLASIT AG Faulenbachweg 63 CH-3700 Spiez E-mail: fans@colasit.com Website: www.colasit.com Phone: +41 (0)33 655 61 61...
Options and accessories ..................4.3.1 Isolation switch................... 4.3.2 Frequency converter (FC)................4.3.3 Speed adjustment potentiometer ............... 4.3.4 Inlet/outlet grilles ..................4.3.5 Check valve with boot ................4.3.6 Roof mounting base................... Operating instructions CRDV-D 200-315 | Version 1.0-en 3 / 68...
Page 4
8.2.1 Check motor rotation direction ..............8.2.2 Functional test of the frequency converter (FC, optional accessory)..8.2.3 Conduct test run..................Operation ......................Safety instruction....................Operating instructions .................... Outside cleaning..................... Maintenance......................4 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Page 5
11.9 Replacing the V-ring seal ..................Removal from service, disposal, and recycling ..........12.1 Safety instructions ....................12.2 Environmental protection..................12.3 Removal from service..................... 12.4 Disposal instructions ....................EU - Declaration of conformity................Index ........................Operating instructions CRDV-D 200-315 | Version 1.0-en 5 / 68...
For the sake of simplification, in these operating instructions, • the company Colasit AG is referred to as the “manufacturer,” • all sizes (CRDV-D 200-315) are generally referred to as the “fan,” • “frequency converter” is abbreviated as “FC,” • chapter and page number references appear as follows: Chap.
The use and distribution of the operating instructions is permitted in the context of using the fan. Any other use is only permitted with the written consent of the manufacturer. Operating instructions CRDV-D 200-315 | Version 1.0-en 7 / 68...
• For independent assessment, the operator is to consult the pertinent available resistance lists for plastics. The SIMCHEM guide is found on the manufacturer's website (www.colasit.com). 8 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Page 9
• The operating point (see characteristic map on the technical data sheet) shall be above the minimum permissible conveyed volume. • Operate the fan under negative pressure so that no or minimal conveyed medium escapes from the impeller hub. Operating instructions CRDV-D 200-315 | Version 1.0-en 9 / 68...
• Any use of the fan that does not comply with the essential safety regulations of these operating instructions. • Operation without operating instructions and associated documents. • Operation with illegible or missing warning signs. 10 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Residue and deposits of the conveyed medium can reside in the fan or flow in from the ductwork. • Qualified personnel responsible for maintenance and repair work shall • be trained in handling hazardous conveyed media, • wear suitable personal protective equipment, Operating instructions CRDV-D 200-315 | Version 1.0-en 11 / 68...
• Clearly determine and regulate the responsibility for installation, servicing, maintenance, and repair of the fan. • Ensure that the responsible qualified personnel • have read and understood these operating instructions, 12 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
• and specialized knowledge of EMC-compliant wiring (consult the manu- facturer’s EMC guideline). • The fan manufacturer’s declaration of conformity is invalidated upon erro- neous connection of the frequency converter and electric motor. Operating instructions CRDV-D 200-315 | Version 1.0-en 13 / 68...
• The same requirements apply as for the mounting personnel Chap. 2.3.3 [} 13]. • An electrician is responsible for carrying out maintenance and repair work and for switching off and safely disconnecting the power supply from the fan. 14 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
▪ Conditions for prevention of the danger... Measures for prevention of the danger... This warning instruction informs of a dangerous situation that can damage the fan or or lead to other material damage. Operating instructions CRDV-D 200-315 | Version 1.0-en 15 / 68...
Work gloves for protection from injuries, burns, or contact with ag- gressive, toxic residues of the conveyed medium. Safety shoes for protection from crushing and from falling parts as well as slips and falls on slick surfaces. 16 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Establish an electrically safe work condition before beginning work. Promptly rectify any defects discovered in the electrical components and wiring of the fan. Eliminate moisture from current-carrying components to avoid a short cir- cuit. Operating instructions CRDV-D 200-315 | Version 1.0-en 17 / 68...
Wear protective gloves when working on the fan or electric motor. When mounting the fan, observe the minimum distance between the fan cowl of the electric motor and neighboring components or walls Installation location requirements. 18 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Regularly inspect safeguards for function and damage. Replace missing or damaged safeguards immediately. Actions to take in an emergency Explosion or melting of the plastic components during fan operation constitutes an emergency situation. Operating instructions CRDV-D 200-315 | Version 1.0-en 19 / 68...
Page 20
Do not attempt to extinguish in confined, small, or enclosed spaces. Instead, fight fire from outside through open door. Do not access area where fire occurred until it has been thoroughly venti- lated. 20 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
11. Lower part of housing with inlet connection (A). 12. Roof mounting flange. 13. Sleeve: Creates a stress-free con- nection between the inlet connec- tion and the connection tube. Fig. 2: Fan overview Operating instructions CRDV-D 200-315 | Version 1.0-en 21 / 68...
Max. Drehzahl darf nie überschritten werden! Maximum rotation speed may not be exceeded! Vitesse maximale d´utilisation à ne dépasser! COLASIT AG Faulenbachweg 63, CH-3700 Spiez Phone: +41 (0)33 655 61 61 • www.colasit.com • fans@colasit.com Type CRDV-D 250/250 Serial No. 234567_10_1 Casing material Pos.
• Optional accessory. • For setting the nominal speed on the frequency converter (FC) according to the technical data sheet. • FC parameterization Chap. 7.3 [} 34]. Fig. 6: Speed adjustment potentiometer (example image) Operating instructions CRDV-D 200-315 | Version 1.0-en 23 / 68...
The check valve can only be installed vertically. • Prevents unwanted counter-flow (e.g., infiltration of cold air) when the fan is not operating. • Welded to the inlet flange. Fig. 8: Check valve with boot 24 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Ceiling cut-out (rectangular connection) b) Ductwork connection A sleeve should be used for connection to ductwork. See the CRDV-R acces- sories on the manufacturer’s website (www.colasit.com). Dimensions in [mm] Type/NW Ø Operating instructions CRDV-D 200-315 | Version 1.0-en 25 / 68...
Do not receive delivery, or doing so only conditionally. Record transport damage (photos). Note the extent of the damage on the transport paperwork or on the trans- port company’s bill of lading. File a complaint immediately. 26 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
A package on a pallet can be transported by pallet stacker or forklift under the following conditions: • Forks inserted under the pallet as depicted such that they stick out from the opposite side. Fig. 10: Package on transport pallet Operating instructions CRDV-D 200-315 | Version 1.0-en 27 / 68...
The roof fan ships upright on a pallet and does not have rigging points for slings or chains. Transport the fan to the installation site with the pallet and packaging and position the fan there by hand. Maximum weight of the fan: 50 kg 28 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Suitable for absorption of static and dynamic loads. For calculations for the mounting parts, assume four times the fan weight. Ensure sufficient clearance around the fan for maintenance/repair work. Ensure sufficient clearance above the outlet connection. Operating instructions CRDV-D 200-315 | Version 1.0-en 29 / 68...
5. Check that the sleeve has been mounted in a flexible, stress-free manner. Fig. 13: Distance to ductwork connection A sleeve with flanges on both sides is also available. See accessories for the CRDV-R fan on the manufacturer’s website (www.colasit.com). 30 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
• Check that all screw connections on the fan and all fastening elements of the foundation (baseplate) or mounting surface are tight. • If present in ductwork: • Shut-off damper for inlet connection is closed. • Service openings are shut. Operating instructions CRDV-D 200-315 | Version 1.0-en 31 / 68...
The isolation switch • is a required protective device, • shall be installed in an easily-accessible location near the fan, 32 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
When connected to a FC, shutdown should be performed by the "safe stop" safety function. This ensures that no residual voltage is applied to the motor windings and that the electric motor can cool down as quickly as possible. Operating instructions CRDV-D 200-315 | Version 1.0-en 33 / 68...
▪ If long cable shields are not connected/grounded, high contact voltages can occur during operation. Connect cable shields of motor connection cables and signal lines to a com- mon reference potential. Do not use protective earth connections for shielding purposes. 34 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
• EC ... Brushless DC motor Connection options Depending on the execution, an electric motor can either be connected directly (1) to the electrical mains or can/shall be operated with a FC. Operating instructions CRDV-D 200-315 | Version 1.0-en 35 / 68...
To avoid an FC error message, a longer acceleration/braking time could be nec- essary. Parameterization for PM motors Parameterization for PM motors differs significantly from three-phase motors. The FC and motor manufacturers offer support for this. 36 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
EMC cable gland (see detail). • Strip the cable end appropriately so that contact can be made with the cable shield. Connect the motor connection cable to the electric motor. Operating instructions CRDV-D 200-315 | Version 1.0-en 37 / 68...
• Compare the mains voltage and mains frequency with the information on the motor nameplate and determine the connection type of the electric mo- tor (star or delta connection). Fig. 17: Terminal assignment for delta and star connection 38 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
• Check and record important FC parameters and settings: Maximum output frequency, V/f characteristic curves, acceleration and braking times Chap. 7.3 [} 34]. If required for control and placement in service, connect an external control unit to the FC. Operating instructions CRDV-D 200-315 | Version 1.0-en 39 / 68...
• Increase fan speed from minimum to maximum speed Chap. 7.3.2 [} 36] • with an external signal from the higher-level controller, • with FC control elements or an external control unit, 40 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
• Compare current values and parameters with initial values and parameters from the beginning of the test run: • Irregular running, vibration, or noises. • Current draw of the electric motor. • Vibration measurement. Operating instructions CRDV-D 200-315 | Version 1.0-en 41 / 68...
Page 42
• Create a test report during initial commissioning. • Leakage value: The leakage value of the supplied fan can be requested from the distributor. 42 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
• Check/clean the condensate drain openings on the bottom of the housing Chap. 6.4 [} 31]. • Keep the installation site of the fan clean. Observe cleaning interval and adjust if necessary Chap. 10.2 [} 44]. Operating instructions CRDV-D 200-315 | Version 1.0-en 43 / 68...
10.2 Maintenance table The maintenance intervals (W/weekly, M/monthly, 6M/semi-annually and 12M/ annually) are to be adapted to the current operating conditions of the fan as de- termined by the customer. 44 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Material damage and production downtime, reduced service life. ▪ Improper use or deposits on the impeller lead to imbalance and vibration. Switch fan off immediately in case of unusual vibration. Check parts in contact with the medium. Operating instructions CRDV-D 200-315 | Version 1.0-en 45 / 68...
The mechanical and electrical functionality of the fan are assessed in the annual inspection, and its continued operation is ensured. This also applies in the event of extensive downtime. Check during outside inspection • Cracking: Fan housing • Noise: Motor bearings 46 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Page 47
• Check leak tightness of the casing between the upper part and lower part (sealing ring, tension ring). • Fixed position of all fastening elements (anchors) in the foundation (baseplate). • Short test run, checking for vibration and noise. Operating instructions CRDV-D 200-315 | Version 1.0-en 47 / 68...
Order spare parts and wear parts from customer service (see title page) in a timely manner with the following information: • Type classification of fan according to nameplate or technical data sheet. 52 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Special centering pieces are needed for proper installation and alignment of the electric motor/motor shaft and impeller to the casing. Contact your Colasit distributor for details and a comprehensive installation manual. Prepare the fan for repair (impeller, electric motor, V-ring seal, etc.) as follows: Observe safety instructions Chap.
Fig. 18: Removing the housing 11.7 Impeller exchange Conditions: • Fan has been prepared for repairs Chap. 11.4 [} 53]. • The hood/upper part of the housing is removed Chap. 11.6 [} 54]. 54 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Page 55
The impeller with keyway is mounted directly on the motor shaft for CRDV 125-200 fans with size 100 or 112 electric motors as well as for CRDV 250-315 fans with size 132 electric motors. Operating instructions CRDV-D 200-315 | Version 1.0-en 55 / 68...
• Fan has been prepared for repairs Chap. 11.4 [} 53]. • The hood/upper part of the housing is removed Chap. 11.6 [} 54]. • Impeller has been removed Chap. 11.7 [} 54]. 56 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Page 57
Observe the instructions in the manual from the motor manufacturer. 3. Tighten the mounting nuts in accordance with the table. The thread is based on the motor size. Operating instructions CRDV-D 200-315 | Version 1.0-en 57 / 68...
Check identical axial alignment of the impeller. The impeller should turn freely by hand after mounting. Observe the direction of rotation Chap. 8.2.1 [} 40]. 7. Conduct a test run (at least 1 h) after repair Chap. 8.2.3 [} 41]. 58 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
Watch for deposits and condensate of the conveyed medium in the fan and ductwork. Procedure: • Switch off fan and FC (option) and prepare them for removal: • Allow to cool down. Operating instructions CRDV-D 200-315 | Version 1.0-en 59 / 68...
• Separate the fan components into material groups and dispose of them sep- arately: • Metals • Plastics • Electrical components Dispose of plastic parts contaminated by conveyed media that are harmful to health and the environment as special waste. 60 / 68 Operating instructions CRDV-D 200-315 | Version 1.0-en...
EN ISO 12499: 2008 EN 60204-1: 2019 EN IEC 61000-6-4:2019 Name and address of the Andreas Roth document manager COLASIT AG Faulenbachweg 63 3700 Spiez Switzerland Spiez, 6/7/2024 B. Stucki (Division manager) Operating instructions CRDV-D 200-315 | Version 1.0-en 61 / 68...
Page 68
- since 1945 - When it comes to thermoplastics, Colasit AG is one of the world's leading brands in fan and system engineering. Our qualified staff impress with technical expertise and great dedication, guaranteeing you the highest quality on all five continents.
Need help?
Do you have a question about the CRDV-D 200 and is the answer not in the manual?
Questions and answers