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Summary of Contents for Colasit CMV 900 ATEX
- Page 1 Operating instructions CMV 900-1250 ATEX Centrifugal fan with V-belt drive Your point of contact: Colasit Representative Street Location Version 1.0-en | 03/2025...
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Page 2: Revision History Table
Name 1-en EU/ATEX First version published. 3/01/2025 A. Roth Document identification Translation of the original German operating instructions. Colasit TD-000 909 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... -
Page 3: Table Of Contents
Table of contents Table of contents Operating instruction information ..............Further applicable documents ................Copyright ........................ Additional safety instructions................Use and storage of the operating instructions............Intended application of the fan ................2.2.1 Intended use ....................2.2.2 Reasonably foreseeable misuse..............2.2.3 Equipment limits.................. - Page 4 Table of contents 5.3.2 Round PVC sleeves with flange on both sides .......... 5.3.3 Round flange connection ................5.3.4 Square PVC sleeve with flange on both sides (outlet side) ....... 5.3.5 Condensate drain..................5.3.6 Motor cover ....................5.3.7 Lip seals..................... 5.3.8 Back suction for lip seal ................
- Page 5 Table of contents 8.2.4 Starting current limiter................Instructions for frequency converter (FC) use ............8.3.1 Frequency converter (FC) installation options ........... 8.3.2 Frequency converter (FC) parameterization ..........8.3.3 Connecting the electric motor to a frequency converter (FC) ....Making an ATEX-compliant ground connection ............. Connecting the electric motor.................
- Page 6 Table of contents 12.13Measuring and setting belt tension................. Removal from service, disposal, and recycling ..........13.1 Safety instructions ....................13.2 Environmental protection..................13.3 Removal from service..................... 13.4 Disposal instructions ....................EU - Declaration of conformity................ATEX - Declaration of Conformity ..............15.1 ATEX test report.....................
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Page 7: Operating Instruction Information
Design notes For the sake of simplification, in these operating instructions, • the company Colasit AG is referred to as the “manufacturer,” • all sizes (CMV 900-1250 ATEX) are generally referred to as the “fan,” • “frequency converter” is abbreviated as “FC,”... -
Page 8: Further Applicable Documents
Copyright These operating instructions are protected by copyright. © COLASIT AG. All rights reserved. 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. -
Page 9: Additional Safety Instructions
Additional safety instructions | 2 Additional safety instructions This chapter contains information relevant to safety and additional as well as more in-depth safety instructions for operators and technical specialists. Additional safety instructions Depending on the execution of the fan, associated documents can contain addi- tional operating instructions with important safety instructions. - Page 10 • 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). • The order confirmation or the additional specification sheet contains fur- ther information and notes regarding a potential reduction in service life of the fan.
- Page 11 Additional safety instructions | 2 Note especially: • Equipment category as well as ATEX certification of electric motor and ac- cessories (FC, isolation switch, etc.) must be zone-compliant. • The drive motor of the fan is designed for continuous operation (S1) or FC operation (S9).
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Page 12: Reasonably Foreseeable Misuse
2 | Additional safety instructions 2.2.2 Reasonably foreseeable misuse Any use of the fan other than that for which it is intended or any other use is considered misuse and can lead to dangerous situations. The manufacturer as- sumes no responsibility for resulting injuries or material damage. The following list of misuse is exemplary and not exhaustive. -
Page 13: Residual Risks
Additional safety instructions | 2 Interfaces for CMV 900-1250 ATEX The fan has the following interfaces: Inlet connection (suction side): Connection to supply air ductwork with sleeve. Outlet connection (pressure side): Connection to discharge air duct- work with sleeve. Terminal box on electric motor. Isolation switch: Customer to procure. -
Page 14: Target Groups And Personnel Requirements
2 | Additional safety instructions When operating the fan in an overpressure condition, the conveyed medium can escape at the impeller hub and lead to an explosion hazard and/or adverse health effects. • Operate the fan at negative pressure for use with explosive and/or haz- ardous conveyed media. -
Page 15: Transport Personnel
Additional safety instructions | 2 • Ensure that the fan is always in a technically sound condition under obser- vance of the maintenance intervals per these operating instructions. • Initiate and verify that the function and integrity of all fan safeguards are checked regularly. -
Page 16: Operating Personnel
2 | Additional safety instructions • All work on the fan’s electrical components may only be carried out by elec- tricians. • The fan may only be connected to the frequency converter by an electrician • after its operating instructions have been read and understood, •... -
Page 17: Essential Safety Instructions
Essential safety instructions | 3 Essential safety instructions The associated documents can contain additional operating instructions with im- portant safety instructions Chap. 1.1 [} 8]. Notation of safety instructions The safety instructions and warnings in these operating instructions are identified by the following warning symbols, signal words, and colors (electronic version of the operating instructions only), which convey the severity of the dangers. -
Page 18: Personal Protective Equipment
3 | Essential safety instructions Personal protective equipment The personal protective equipment to be worn: • is to be determined and made available by the operator based on the oper- ating conditions and conveyed medium. • is the personal responsibility of the qualified personnel to be worn as suit- able for the work to be conducted and to be supplemented as necessary. -
Page 19: Personal Protective Equipment For Potentially Explosive Environments
Essential safety instructions | 3 3.2.1 Personal protective equipment for potentially explosive environments It must be ensured for maintenance work on the fan in a potentially explosive environment that maintenance personnel are never dangerously electrostatically charged. The following apply when in a potentially explosive environment: •... -
Page 20: Electrical Hazards
3 | Essential safety instructions Electrical hazards DANGER Danger to life due to electric shock from contact with current- carrying conductors or components under hazardous voltage. Immediate danger to life due to respiratory and cardiac arrest. ▪ Only a qualified and authorized electrician may work on the power mains and the electrical components of the fan. -
Page 21: Explosion Hazards
Essential safety instructions | 3 Explosion hazards DANGER Danger to life due to ignition of explosive gas mixtures Death or serious injuries if gas mixtures explode due to the following causes: ▪ Hot surfaces, such as frictional heat in hub seal or hot bearing surface of a defective motor bearing. -
Page 22: Conveyed Medium Hazards
3 | Essential safety instructions Conveyed medium hazards WARNING Risk of injury due to escape or inflow of a conveyed medium with the ability to cause adverse health effects Risk of eye irritation, cough, difficulty breathing, burn, and suffocation. Clarify what medium is being conveyed. Observe the Safety Data Sheet(s) of the conveyed medium. - Page 23 Essential safety instructions | 3 WARNING Risk of injury due to damaged fan ▪ Fan can continue coasting for a long time after being switched off. ▪ Danger by contact with dangerous parts and conveyed medium if casing is damaged. Use caution when approaching the fan.
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Page 24: Explosion Protection
4 | Explosion protection Explosion protection The zone of the conveyed medium and the installation site are to be specified by the system operator when ordering the fan. Explosion protection information • Intended use and operating conditions Chap. 2.2.1 [} 9]. •... -
Page 25: Explosion Protection Marking
Explosion protection | 4 Explosion protection marking The explosion protection marking is located on the nameplate of the fan Chap. 5.2 [} 27] and classifies the fan for use in a potentially explosive at- mosphere ATEX - Declaration of Conformity. Explosion protection marking example II 2/3G Ex h IIB+H2 T3 Gb/Gc Droplets... -
Page 26: Structure And Function
5 | Structure and function Structure and function Overview Fig. 2: Fan overview 1 Inspection port 9 Shaft with pillow block bearings 2 Casing with casing reinforcement 10 Shaft protection 3 Splinter protection 11 V-belt pulley assembly 4 Cover disc 12 Belt guard assembly 5 Screw with washer 13 V-belt 6 Impeller with hole and keyway... -
Page 27: Signs And Warning Symbols On The Fan
Structure and function | 5 Signs and warning symbols on the fan COLASIT AG Faulenbachweg 63, CH-3700 Spiez Phone: +41 (0)33 655 61 61 • www.colasit.com • fans@colasit.com II 2/3G Ex h IIB+H T4 Gb/Gc Type CMV 710 Serial No. -
Page 28: Options And Accessories
• A transition fitting from square to round is required at the outlet connection (pres- sure side). • Executions: See accessories for CMV 900-1250 ATEX on the manufac- turer’s website (www.colasit.com). Fig. 5: Sleeves with round flange 28 / 92 Operating instructions CMV ATEX | Version 1.0-en... -
Page 29: Round Flange Connection
Round flange connection • Optional. • Inlet connection with flange connection. • Executions: See accessories for CMV 900-1250 ATEX on the manufac- turer’s website (www.colasit.com). • Sleeve with flange required Chap. 5.3.2 [} 28]. Fig. 6: Round flange connection 5.3.4 Square PVC sleeve with flange on both sides (outlet side) •... -
Page 30: Condensate Drain
5 | Structure and function 5.3.5 Condensate drain • Optional. • For draining of condensate. • Executions: • “K” for manual draining with cover cap. • “V” for connection to siphon. Suitable for socket welds. • “F” for flange connection. •... -
Page 31: Lip Seals
Structure and function | 5 5.3.7 Lip seals • Optional. • Seal in the casing. • Executions: • Single-layer seal • Double-layer seal with lubrica- tion nipple in casing. • Use with hazardous, aggressive conveyed media when the fan is operated in an overpressure condi- tion. -
Page 32: Back Suction For Lip Seal
• For mounting instructions Chap. 12.9 [} 77]. Fig. 12: Back suction See instructions for use in the information sheet on fan seals. Contact your Colasit distributor to request this document. 32 / 92 Operating instructions CMV ATEX | Version 1.0-en... -
Page 33: Sealing Gas For Lip Seal
Structure and function | 5 5.3.9 Sealing gas for lip seal • Optional. • Supplement to double-layer lip seal. • Sealing gas is forced into the cav- ity between the impeller hub and the casing wall. This prevents leakage near the hub passage. •... -
Page 34: Labyrinth Seal
5 | Structure and function 5.3.11 Labyrinth seal • Optional. • Use with hazardous, aggressive conveyed media when the fan is operated in an overpressure condi- tion. • Weld the non-contact labyrinth seal to the rear plate and impeller before mounting. Fig. 15: Labyrinth hub seal 5.3.12 Impeller back-plates... -
Page 35: Flow Rate Measuring Point
• Weld the flow rate measuring point to the inlet connection. • Executions: See accessories for CMV 900-1250 ATEX on the man- ufacturer’s website (www.colasit.com). 1) Connection to differential pressure gauge. Fig. 17: Flow rate measuring point 5.3.14 Isolation switch •... -
Page 36: Frequency Converter (Fc)
5 | Structure and function 5.3.15 Frequency converter (FC) • Optional accessory. • Mounting outside of ATEX zone. • For fan speed control. • FC installation options Chap. 8.3.1 [} 51]. • EMC-compliant wiring Chap. 8.3.3 [} 53]. • FC parameterization Chap. 8.3 [} 50]. •... -
Page 37: Transport
Transport | 6 Transport Safety instructions These safety instructions warn against potential hazards that apply when trans- porting the fan. WARNING Danger to life when remaining under suspended loads Injuries due to falling or swinging loads. Cordon off the hazardous area under the suspended load. Never stand under or in swinging range of suspended loads. -
Page 38: Packing
6 | Transport Claims for damages can only be made within the complaint period and in accor- dance with the general terms and conditions (T&C). Save packing for a possible return shipment. Mount the fan and place it in service only after repairs and resolution of complaints. -
Page 39: Transport By Pallet Stacker Or Forklift
Transport | 6 Transporting package on a pallet • Inspect pallet: A damaged or rotted pallet may not be transported by crane. • Preferably, transport pallet by crane fork or pallet jack. • Otherwise, attach sling to pallet such that it will not slip. •... -
Page 40: Mechanical Installation
7 | Mechanical installation Mechanical installation Safety instructions These safety instructions warn against dangers that can arise when mounting the fan. WARNING Risk of injury due to unsecured work area Injuries due to objects falling or being bumped. ▪ The installation location of the fan could be inaccessible or at a dangerous height. -
Page 41: Splinter Protection - Check Proper Mounting
Mechanical installation | 7 • Provide suitable clearance around the fan for • maintenance and repair work, • motor cooling. Fig. 24: Space requirement for work area and motor cooling Splinter protection - check proper mounting Check proper mounting of the splinter protection: •... -
Page 42: Inspection Port - Check Proper Mounting
• Executions: See accessories for CMV 900-1250 ATEX on the manufac- turer’s website (www.colasit.com). Fig. 27: Proper mounting of the inspection port The removable cover enables inspection of the inside of the casing. The location of the inspection port differs by fan size and the positioning of the casing/outlet connection. -
Page 43: Vibration Absorbers Mounting
Mechanical installation | 7 Vibration absorbers mounting WARNING Risk of injury due to fan falling Injuries by pinching and crushing of body parts. ▪ Undersized vibration absorbers can come off. Use the supplied vibration absorbers. Externally sourced vibration absorbers shall be equivalent. Only replace vibration absorbers with identical components during mainte- nance work. -
Page 44: Floor Mounting
7 | Mechanical installation 7.6.1 Floor mounting Conditions: • Installation location require- ments Chap. 7.2 [} 40]. • Suitable vibration absorbers and fastening elements are present. Fig. 28: Fastening recommendation for floor mounting 1. Transfer fan support hole pattern to the foundation (baseplate). Hole pattern dimensioning according to technical data sheet. -
Page 45: Connecting Condensate Drain To Siphon
3. Screw the flange of the Wellflex sleeve to the ductwork. For fans in ATEX zone 2, a standard PVC sleeve can be used. Executions: See accessories for CMV 900-1250 ATEX on the manufacturer’s website (www.colasit.com). Connecting condensate drain to siphon NOTICE... -
Page 46: Siphon Calculations And Execution
Chap. 5.3.5 [} 30]. • Connect drain pipe to siphon. • Executions: See accessories for CMV 900-1250 ATEX on the manufac- turer’s website (www.colasit.com). Casing drain type F • Connect drain pipe with suitable flange to casing drain type F and to siphon. -
Page 47: Final Inspection
Mechanical installation | 7 When planning for and mounting the siphon, observe a minimum installation height of 2 x H. Instructions for execution of the siphon • For negative pressure operation of the fan: If the siphon is insufficiently di- mensioned or not filled with water, there is a risk that false air will be sucked •... -
Page 48: Electrical Installation
8 | Electrical installation Electrical installation Safety instructions These safety instructions warn against dangers that can arise during electrical installation of the fan. DANGER Risk of injury due to electrical energy Immediate danger to life due to respiratory and cardiac arrest. ▪... -
Page 49: Motor Protection Switch Installation
Electrical installation | 8 The isolation switch • is a required protective device, • shall be installed in an easily-accessible location near the fan, • provides qualified personnel a means of directly controlling and disconnect- ing the electrical power supply from the fan, •... -
Page 50: Starting Current Limiter
8 | Electrical installation Connecting PTC thermistor tripping unit to FC 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. 8.2.4 Starting current limiter NOTICE... -
Page 51: Frequency Converter (Fc) Installation Options
Electrical installation | 8 DANGER Danger to life due to ignition of explosive gas mixtures by electric sparks Death or serious injuries. ▪ Spark formation in electric motor. Check whether the explosion protection marking of the electric motor is also valid for operation with a frequency converter. -
Page 52: Frequency Converter (Fc) Parameterization
8 | Electrical installation Fig. 33: Frequency converter installation 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. The FC is either • directly attached to the electric motor (2, order option), •... -
Page 53: Connecting The Electric Motor To A Frequency Converter (Fc)
Electrical installation | 8 To prevent mechanically overloading the fan, observe these minimum permissi- ble acceleration and braking times: Electric motor nominal power [kW] Acceleration/braking time [s] < 1.5 min. 15 > 1.5 min. 30 To avoid an FC error message, a longer acceleration/braking time could be nec- essary. -
Page 54: Making An Atex-Compliant Ground Connection
8 | Electrical installation Fig. 35: EMC cable gland Secure the motor connection cable to the motor terminal box with an EMC cable gland. • Strip the cable end appropriately so that contact can be made with the cable shield. Connect the motor connection cable to the electric motor Chap. - Page 55 Electrical installation | 8 Sizing and installing the motor connection cable Adequately size the cross section of the motor connection cable, taking into ac- count: • Applicable standards and regulations • Cable lengths • Rated current • Environmental conditions • Type of installation To size the connection cable, consult the cable manufacturer's tables for cur- rent-carrying capacity or request sizing information directly from the cable manu- facturer.
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Page 56: Final Inspection
8 | Electrical installation The terminal assignment is also located on the inside of the terminal box cover. • Connect the phase conductors (L1, L2, L3) of the motor connection cable to the terminal board in the correct order. • Use insulated ring terminals for phase conductors. •... -
Page 57: Placement In Service
Placement in service | 9 Placement in service Safety instructions These safety instructions warn against dangers that can arise when placing the fan in service. WARNING Risk of injury when placing the fan in service. Injuries due to electrical, mechanical, and chemical hazards. Installation work on the fan as well as final inspection have been completed in their entirety Chap. -
Page 58: Conduct Test Run
9 | Placement in service Check during the functional test: • Check acceleration and braking time Chap. 8.3 [} 50]. • Commands shall cause corresponding speed changes. • The electric motor may not generate any unusual vibration or noises when operating within the characteristic curve range according to the technical data sheet. - Page 59 Placement in service | 9 The measured data provides comparison values during maintenance. Heating, ventilation, air conditioning (HVAC), and agriculture: BV-2 < 3.7 kW Industrial processes, etc.: BV-3 > 3.7 kW At the end of the test run: • Compare current values and parameters with initial values and parameters from the beginning of the test run: •...
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Page 60: Operation
10 | Operation Operation 10.1 Safety instruction This safety instruction warns against dangers that can arise during fan opera- tion. WARNING Risk of injury due to fan operation Injuries due to electrical, mechanical, and chemical hazards or explosions. Only qualified and authorized operating personnel may operate the fan and clean the outside of it. -
Page 61: Maintenance
Maintenance | 11 Maintenance 11.1 Safety instructions These safety instructions warn against dangers that can arise when performing maintenance on the fan. DANGER Risk of injury due to maintenance work on the fan in a poten- tially explosive atmosphere Death or serious injuries upon explosion. Injuries due to electrical, mechanical, and chemical hazards. -
Page 62: Maintenance Table
11 | Maintenance 11.2 Maintenance table Adapt the maintenance intervals (W/weekly, M/monthly, 6 M/semi-annually, and 12 M/annually) to the current operating conditions of the fan. Maintenance activity Cross reference 12 M* Check operating condition Chap. 11.3.1 [} 62] Outside cleaning Chap. 10.3 [} 60] Manual casing drain type K (option): Chap. -
Page 63: Inside Inspection
Maintenance | 11 • Back suction functional (tube free of contamination)? • Sealing gas available? • For functionality and contamination: • Ring tube of optional flow rate measuring point. • For loose screw connections. • Smooth operation of fan: • For irregular running, check for vibration or noise Chap. -
Page 64: Annual Inspection
11 | Maintenance Procedure: • If present, first open casing drain (type K) and drain condensate into a con- tainer. • Remove cover of inspection port Chap. 7.5 [} 42]. • Loosen the sleeve at the inlet connection and remove the ductwork end if applicable Chap. - Page 65 Maintenance | 11 • Check optional hub seal (lip seal, hub seal felt ring, labyrinth seal) for leakage. • Optional double-layer lip seal, lip seal with back suction or sealing gas: - Lubricate via lubrication nipple for double-layer lip seal. - Back suction functional (tube free of contamination)? - Sealing gas available? •...
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Page 66: Repair
12 | Repair Repair 12.1 Safety instructions These safety instructions warn against dangers that can arise when repairing the fan. Modifications and adaptations to the fan are strictly prohibited and will result in the loss of ATEX certification. DANGER Risk of injury due to repair work on the fan in a potentially explosive atmosphere Death or serious injuries upon explosion. - Page 67 Repair | 12 Fault Possible cause Fault discovery Remedy Observe minimum dis- tance between fan connection and damper valve or duct bends (L > 3 x duct Ø). Drive belt slips. Check belt tension Tension the drive belt Chap. 12.13 [} 81]. Chap. 12.12 [} 80]. Drive belt and belt pul- Visual inspection.
- Page 68 12 | Repair Fault Possible cause Fault discovery Remedy tripping device, Check FC parameters. Parameterize FC prop- or FC switches erly. off. Faulty motor connec- Measure current draw. Check motor connec- tion. tion (star/delta) Chap. 8.5 [} 54]. Overheating due to ex- Operating point ad- Set operating point ac- cessive current con-...
- Page 69 Repair | 12 Fault Possible cause Fault discovery Remedy Check environmental conditions. Ductwork connected Adjust connection directly to fan casing. (sleeve) and ductwork distance appropriately Change in length of Chap. 7.7 [} 44]. ductwork due to ther- mal expansion. Loose impeller. Impeller loosened on Tighten impeller the motor shaft?
- Page 70 12 | Repair Fault Possible cause Fault discovery Remedy FC does not reach re- Check FC. Use a suitable FC. quired voltage. Prohibited op- Ductwork not leak Check for leakage. Seal up. erating condi- tight. tions. Loose hose clamps or Re-tighten hose damaged sleeves.
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Page 71: Spare Parts And Wear Parts
Repair | 12 Fault Possible cause Fault discovery Remedy Use current-insulated roller bearings or ce- ramic hybrid bearings. Excessive Overpressure opera- Pressure measure- Operate fan at nega- leakage at im- tion of the fan (without ment. tive pressure. peller hub. optional hub seal). -
Page 72: Preparation For Repairs
Special centering pieces are needed for proper installation and alignment of the flange bearing and the impeller to the casing and rear plate. Contact your Colasit distributor for details and a comprehensive installation manual. Prepare the fan for repairs (impeller, electric motor, hub seal, etc.) as follows: Observe safety instructions Chap. -
Page 73: Check Impeller
Repair | 12 Loosen the sleeves or flange of the inlet and outlet connections. Remove removable duct section from inlet connection Chap. 7.7 [} 44]. Risk of contamination of the ductwork Cover open ductwork ends with plastic sheeting during repairs. Remove the motor cover (accessory). 10. -
Page 74: Impeller Exchange
12 | Repair Mounting instructions • Center the casing opening to the drive shaft and rear plate. • NOTICE Torque the fastening screws of the casing to the rear plate in ac- cordance with the following table. Fan/size Fastener threads Max. -
Page 75: Electric Motor Exchange
Repair | 12 NOTICE Risk of bearing damage! Never strike the drive shaft when mount- ing the impeller. • Tighten the impeller with the fastening screw, with RIPP LOCK® for fas- tener security, in accordance with the following table. Diameter Fastener threads Max. - Page 76 12 | Repair 4. Relieve the tension on the V-belts: Loosen the fastening screws of the mo- tor bracket on the tensioning rails. Unscrew the threaded rods on the ten- sioning rails. 5. Check all V-belts for wear and damage. 6.
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Page 77: Lip Seal (Option) Replacement
Repair | 12 Installation instructions and checks • After tensioning the V-belts, tighten the mounting nuts of the motor bracket per the table below. • The thread is based on the motor size: Thread Max. tightening torque [Nm] • Connect electric motor Chap. -
Page 78: 12.10 Replacing The Felt Ring Seal
10. Mount the shaft protection. Installation tools Special centering pieces are necessary for proper installation of the double-layer lip seal. Contact your Colasit distributor for details and a comprehensive installa- tion manual. Important The impeller should turn freely by hand after mounting. Observe the direction of rotation Chap. -
Page 79: 12.11 Replacing The Ring Tube Of The Flow Rate Measuring Point
Repair | 12 Important The impeller should turn freely by hand after mounting. Observe the direction of rotation Chap. 9.2.1 [} 57]. 5. Install the casing Chap. 12.6 [} 73]. 6. Allow the felt ring to run for one minute at a maximum of 1500 rpm. NOTICE Risk of damage to the fan Smoke and chips can develop for a short time while running. -
Page 80: 12.12 Replacing The Drive Belt
12 | Repair 12.12 Replacing the drive belt Fig. 45: Replacing the drive belt Conditions: • Fan has been prepared for repairs – see 1 through 3 Chap. 12.4 [} 72]. Procedure: 1. Remove the belt guard. 2. Relieve the tension on the drive belt: Loosen the fastening screws of the motor bracket on the tensioning rails. -
Page 81: 12.13 Measuring And Setting Belt Tension
Repair | 12 12.13 Measuring and setting belt tension Fig. 46: Measuring belt tension The belt tension (S) is to be set in accordance with the belt plate Chap. 5.2 [} 27]. Procedure: • Determine the frequency at the center of the belt span (approx. L/2) using a belt frequency meter and compare it with the value specified on the belt plate. -
Page 82: Removal From Service, Disposal, And Recycling
13 | Removal from service, disposal, and recycling Removal from service, disposal, and recycling 13.1 Safety instructions These safety instructions warn against dangers that can arise during removal from service and disposal of the fan. WARNING Risk of injury during removal from service and disposal of the fan Death or serious injuries upon explosion. -
Page 83: Removal From Service
Removal from service, disposal, and recycling | 13 13.3 Removal from service WARNING Risk of injury due to improper removal Injuries by pinching and crushing of body parts. Wear protective equipment. Safeguard work area and prevent unauthorized access using enclosures, safety nets, etc. - Page 84 13 | Removal from service, disposal, and recycling Disassembly instructions • 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.
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Page 85: Eu - Declaration Of Conformity
EN 60079-7: 2015 EN 60079-15: 2019 Name and address of the Andreas Roth document manager COLASIT AG , Faulenbachweg 63 3700 Spiez, Switzerland Deposit of the assessment and techni- Eurofins Electric + Electronic Testing cal documentation with AG, Fehraltdorf (1258) Deposit no. -
Page 86: Atex - Declaration Of Conformity
(7) The design of this equipment and the various executions are specified in the ap- pendix to this Declaration of Conformity and in the technical report. (8) Colasit AG certifies compliance with the essential health and safety require- ments for the design and construction of equipment and protective systems intended for use in potentially explosive atmospheres according to Annex II of Directive 2014/34/EU. - Page 87 Ex h IIB+H2 T3 or T4* -/Gb Installation site Zone 1 *) T3 or T4 according to the attached motor. The fan as a non-electrical compo- nent corresponds to T4. COLASIT AG Spiez, 3/1/2025 B. Stucki Andreas Roth (Division manager)
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Page 88: Atex Test Report
15 | ATEX - Declaration of Conformity (17) Special conditions • If the fans are used in potentially explosive atmospheres of Zone 1 or 2, they may only be operated with electric motors for which a corresponding approval (EU type examination certificate) is available. •... -
Page 89: Index
Index Index Explosion protection marking 10, 12, 25 Anchoring elements 44 Angle iron 26 False air 47 Annual inspection 62, 64 Fan cowl 21, 60 Application limits 12 Fan housing 21, 23, 44, 60, 64 ATEX 9, 12, 13, 24, 47, 56, 59, 61, 66, Fan impeller 57 86, 88... - Page 90 Index Maintenance intervals 15, 62 Repair work 16, 19, 20, 35, 41, 44, 48, Maintenance personnel 16, 61, 66 66, 72 Maintenance switch 35 Round flange connection 29 Maintenance work 12, 43, 61, 62, 66 Material damage 9, 12, 17, 37, 40, 43, 71 Minimum distance 21, 67 Safety instructions...
- Page 91 Notes Notes Operating instructions CMV ATEX | Version 1.0-en 91 / 92...
- Page 92 - 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.
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