Page 1 2017 Translation of the Original Instructions Single Stage Radial Fan Design KXE See chapter 20 of this operating manual for detailed addresses of all companies of the REITZ Group.
Page 2  2017 REITZ HOLDING GMBH & CO. KG Copyright on the operating manual REITZ Holding GmbH & Co. KG holds the copyright in this operating manual. This operating manual is intended for technical personnel performing the following work on the fan: transport, installation, commissioning, operation, service, troubleshooting, maintenance, repair, decommissioning, dismantling, disposal.
Page 3: Table Of Contents
Table of contents Table of contents Preface ..........................6 Introduction ......................... 7 Legal notices ........................... 8 EC Declarations ........................9 Utilisation of the operating manual ................... 9 Regulations and standards ....................10 Fundamental safety instructions ..................11 Symbols and warning information ..................11 Authorised personnel ......................
Page 4 Table of contents 7.3.2 Screw connections ....................38 Securing the fan ........................39 7.4.1 Anti-vibration mount ....................40 7.4.2 Spring phonolators (spring type anti-vibration mounts) ..........41 7.4.3 Stone bolts ....................... 41 Insulation of the fan ....................... 42 Measures prior to commissioning ................... 43 Aligning the coupling ......................
Page 5 13.3.3 Labyrinth seal ......................108 13.4 Shaft earthing ........................110 14. Repair ..........................112 14.1 Requesting a REITZ service technician ................114 14.2 Requesting spare parts ......................114 15. Decommissioning ......................115 16. Recommissioning ......................117 17. Dismantling ........................119 18.
Page 6: Preface
Preface Preface Read the entire operating manual meticulously. Should you have any questions or ambiguities, please contact us immediately. We would be more than happy to provide support and to clarify any queries. This operating manual constitutes one part of the overall documentation.
Page 7: Introduction
Introduction Introduction This operating manual provides a description of the fan and information regarding handling of the product, from delivery to disposal. This operating manual has been compiled to prevent personal injury, material damage to property, functional failure and harm to the environment. Adherence to the instructions is prerequisite for a safe, flawless operation and prolonged service life.
Page 8: Legal Notices
Reitz Holding GmbH & Co. KG. Infringements in this regard shall result in an obligation to provide compensation for damages. The assertion of additional claims remains reserved.
Page 9: Ec Declarations
Document any transport damage, preferably with photos, and notify the following of this damage immediately: - the shipping company - the insurance company - the manufacturer REITZ EC Declarations The EC Declaration of Conformity and the EC Declaration of Incorporation will be delivered as separate documents.
Page 10: Regulations And Standards
Introduction Regulations and standards The fan is configured in conformity with the standards specified as follows: - DIN 24166 “Fans; technical delivery conditions” (German Industrial Standard) - VDMA 24167 “Ventilatoren – Sicherheitsanforderungen” (Industrial fans, safety requirements - VDMA – Verband Deutscher Maschinen- und Anlagenbau eV – German Engineering Federation) - DIN EN ISO 12100 “Safety of machinery - General principles for design”...
Page 11: Fundamental Safety Instructions
Fundamental safety instructions Fundamental safety Please observe all safety instructions in this operating manual, as well as the safety instructions in the supplier instructions documentation. Symbols and warning A warning sign featuring the following symbols and information instructions for the protection of persons, as well as protection against material damage to property and harm to the environment is mounted on the fan.
Page 12 Fundamental safety instructions DANGER! Risk of fatalities due to explosion! Serious physical injury with potentially fatal consequences.  Warming against the generation of sparks and hot surfaces! DANGER! Risk of burns! Severe personal injury, burns.  Personal protective equipment must be worn! DANGER! Risk of fatalities or severe damage to health due to inhalation or contact with eyes...
Page 13: Authorised Personnel
Fundamental safety instructions Authorised personnel Any involvement with the radial fan presupposes certain minimum levels of knowledge. Only qualified persons may perform work on the fan. Additionally, each qualified person must be granted respective authorisation by the person responsible for the plant prior to commencing work.
Page 14: Personal Protective Equipment
Fundamental safety instructions Personal protective equipment Personal protective equipment must be worn as health protection and as prevention against injury at all times when performing work on the fan. DANGER All tasks with and on the fan! Fatalities or extremely serious injuries as a result of transport, mounting, commissioning and start-up, operation, operating, troubleshooting, inspection, maintenance, repair, shutting-down, dismantling and disposal.
Page 15 Fundamental safety instructions The following Occupational Safety Regulations for safety and health at work apply in Germany (BG rules - BGR): - Wearing of protective clothing (BGR 189) - Wearing of foot and leg guards (BGR 191) - Wearing of head protection (BGR 193) - Wearing of ear protection (BGR 194) - Wearing of industrial gloves (BGR 195) - Use of protective equipment against falling (BGR 198)
Page 16: Overview Of Hazards
Fundamental safety instructions Overview of hazards The following overview of hazards is generally applicable for all fans and all structural designs. Familiarise yourself with the hazards and residual risks outlined herein for all tasks involving the fan. Furthermore, observe all instructions conveyed in the respective chapters of this operating manual.
Page 17 Fundamental safety instructions Manner of hazard Location of hazard Hazard Preventative measures Squirting of fluids, Housing sectional Risk of fatalities, injury Never switch on the fan leaking of gases, splitting, connection to persons, material unless the inspection ejection of parts points, inspection damage to property opening and condensate...
Page 18: Obligations Of The Operating Company
Fundamental safety instructions Obligations of the operating The operating company and/or plant manufacturer is company responsible for: the necessary protective measures on site, such as barriers, enclosures, working platforms - provision of personal protective equipment - ensuring use of the fan as intended - protection of the motor against overload and overheating - transport, installation and commissioning of the fan...
Page 19: Risk Of Slipping, Tripping Or Tumbling
Fundamental safety instructions Risk of slipping, tripping or Ensure safety and the prevention of accidents for all tasks. tumbling Ensure that all necessary measures for occupational health and safety and accident-prevention have been implemented by the operating company and/or the plant manufacturer. DANGER Transport routes, installation sites, workplaces Fatalities or extremely serious injuries resulting from...
Page 20: Product Description
Refer to the weight specifications and the dimensions in the separate general drawing of the fan. Any independent modification on the fan will invalidate the declaration of conformity and is strictly prohibited. Modifications which have first been agreed with REITZ, however, are permitted. 20 / 128 Operating_Manual_Fan_KXE_04_en.docx...
Page 21: Intended Use
Product description Intended use The fan has been constructed for the requirements specified in the order. Only the media specified in the order may be conveyed. Any other use is prohibited. Any other use or excessive use is not considered use as intended.
Page 22 Product description Fan configuration in accordance with ATEX (optional): If the fan is intended for use in potentially explosive environments pursuant to Directive 2014/34/EU (ATEX), intended use is restricted to: - the field of application - the equipment group and category - the explosion group for gases and vapours - the gas or dust type - the temperature class...
Page 23 - This qualified person guarantees that the measuring results are within the required tolerances  Forward measurement records to REITZ for approval - This qualified person guarantees that all possibilities for the generation of sparks are eliminated and that the...
Page 24: Product Identification And Labelling
Product description Product identification and The serial number of the respective fan must be specified for labelling all queries with the manufacturer. The serial number of the fan can be obtained from the following sources: - On the nameplate on the fan - On the fan data sheet - In the spare parts list Observe all identification and labelling affixed to the fan,...
Page 25: Technical Data
Product description Technical data The technical data for the fan can be obtained from the following sources: - On the nameplate on the fan - On the fan data sheet NOTICE! Additional flow data, as well as the design conditions can be obtained from the separate performance curve.
Page 26: Fig. 4-4 Nameplate In Accordance With Atex (Example)
Product description Fan configuration in accordance with ATEX (optional): If the fan is configured for use in potentially explosive environments pursuant to Directive 2014/34/EU (ATEX), an additional nameplate is mounted on the fan. Fig. 4-4 Nameplate in accordance with ATEX (example) Pressure resistant or pressure shock proof fan configuration (optional): If the fan has been constructed with pressure resistant or...
Page 27: Drive
Product description Drive Incorporate the drive of the fan in the control system of the plant. Refer to the following chapters in this regard: - Chapter 8.7 Electrical connection - Chapter 9 Start-up - Chapter 10 Operation 4.4.1 Motor No description is provided in this manual for the actual motor.
Page 28: Accessories
Accessories Accessories The fan can be equipped with various accessory parts. Anti-vibration mounts Refer to the following chapters in this regard: - Chapter 7.4.1 Anti-vibration mount - Chapter 7.4.2 Spring phonolators (spring type anti- vibration mounts) Flexible connections Refer to the following chapter in this regard: - Chapter 8.4 Fitting the flexible connections Monitoring devices Refer to the following chapters in this regard:...
Page 29: Transport
Transport Transport Only persons who are trained in the handling of floor conveyor vehicles (e.g. forklift trucks) and lifting equipment (e.g. overhead cranes) are permitted to transport the fan. DANGER Suspended load! Fatalities or extremely serious injuries resulting from falling or tipping.
Page 30: Transport With A Truck
Transport Transport with a truck Secure the fan and the accessories against tipping and sliding using suitable load securing equipment (e.g. lashing straps / chains). The slinging points for the load securing equipment on the fan are clearly indicated with the following symbol. Always attach the load securing equipment at the respective positions indicated.
Page 31: Transport Damage
Document any transport damage, preferably with photos, and notify the following of this damage immediately: - the shipping company - the insurance company - the manufacturer REITZ DANGER Damaged fan or accessories! Fatalities or extremely serious injuries resulting from starting up damaged components.
Page 32: Intermediate Storage
Transport Intermediate storage If the fan is not installed in the plant within three months following delivery, the operating company and/or the plant manufacturer is responsible for correct intermediate storage of the fan and its accessories. WARNING Storage of fan and accessories in the open air! Damage to electrical components (e.g.
Page 33: Installation
Installation Installation Go through the following sections of this chapter in the respective order. DANGER Weight of fan! Fatalities or extremely serious injuries resulting from falling or tipping. → Mount the fan horizontally. → Use shims as required. → If a risk of tipping is evident: Stabilise the fan and secure the fan with the substructure.
Page 34: Preparing For Installation
Installation Preparing for installation Inspect the installation site before commencing assembly and installation of the fan. The installation site must meet the following requirements: - Level, clean-swept and free of oil - Affords stability - Capable of supporting the weight of the fan and its accessories - Equipped with suitable lifting devices and accessible for floor conveyor vehicles (e.g.
Page 35: Mounting And Alignment
Installation Mounting and alignment Level the fan at the installation site. Inlet and discharge must be flush with the duct work. Differences in height can be compensated easily using shims. DANGER Weight of fan! Fatalities or extremely serious injuries resulting from falling or tipping.
Page 36: Assembling The Fan
Installation Assembling the fan If the fan has been delivered in several sections for reasons of transport, please refer to the chapters specified below: - Chapter 7.3.1 Procedure - Chapter 7.3.2 Screw connections If the rotor has been delivered in a transport fixture, this transport fixture must also be retained for subsequent commissioning work and return deliveries.
Page 37: Procedure
Installation 7.3.1 Procedure Procedure for assembly of the fan:  Mount and level the lower section of the fan  Set the rotor down onto the fan lower section and align  Seal the partition flange with sealing material  Mount the housing upper section carefully, ensuring that the sealing material does not shift or sustain damage ...
Page 38: Screw Connections
Installation 7.3.2 Screw connections Screw connections: - Observe the insertion direction of the screws for vertical screw connections: Always insert upwards from beneath, thus the screw head is at the bottom and the nut is at the top, ensuring that any loss of screws due to loosening of the nut is immediately evident - Observe the tightening torques (refer to Table 7-1) Screws...
Page 39: Securing The Fan
Installation Securing the fan Secure the fan with the substructure prior to initial commissioning. DANGER Securing the fan to the installation site! Fatalities or extremely serious injuries resulting from tipping. → Mount the fan horizontally. → Secure the fan with the substructure. →...
Page 40: Anti-Vibration Mount
Installation 7.4.1 Anti-vibration mount Fan configuration with anti-vibration mount (optional): There are two variants: - Anti-vibration mount with mounting plate - Anti-vibration mount without mounting plate The specifications in Table 7-2 correspond with the specifications for Fischer brand high-performance anchors FH II –...
Page 41: Spring Phonolators (Spring Type Anti-Vibration Mounts)
Installation 7.4.2 Spring phonolators (spring Fan configuration with spring phonolators (optional): type anti-vibration mounts) NOTICE! Refer to the separate instructions of the spring phonolator manufacturer. Fig. 7-3 Securing of spring phonolators 7.4.3 Stone bolts Fan configuration with stone bolts (optional): Concrete foundations with anchor boxes must be prepared at the installation site in accordance with our specifications.
Page 42: Insulation Of The Fan
Installation Tightening torque [Nm] * M 24 M 30 * For stone bolt in accordance with DIN 529 form B, property class 4.6 Table 7-3 Tightening torques for stone bolts Insulation of the fan If insulation for the fan or a provision for on-site insulation is included within the scope of delivery, refer to the following section.
Page 43: Measures Prior To Commissioning
Measures prior to commissioning Measures prior to It is possible that components of the power train are inadvertently shifted during transport. Likewise, commissioning components of the intake mechanism are also susceptible to shifting. This in turn will lead to misalignment of the components with one another. Alignments of the components of the power train must therefore...
Page 44: Aligning The Coupling
Measures prior to commissioning Aligning the coupling Procedure for aligning the coupling:  Remove the protective cover  Check alignment of the coupling halves with one another and compare with the maximum permissible values. Refer to Table 8-1 and Table 8-2 ...
Page 45 Measures prior to commissioning NOTICE! Check radial offset with a straightedge, check angular offset with a feeler gauge. NOTICE! Refer also to the separate instructions of the coupling manufacturer. Coupling configuration in accordance with ATEX (optional): If the coupling is intended for use in potentially explosive environments pursuant to Directive 2014/34/EU (ATEX), corresponding identification is provided in this regard.
Page 46 Measures prior to commissioning N-EUPEX series, type A, B [mm] [rpm]  K ±1 ±1 ±1 ±1 ±1 ±2 ±2 ±2 ±2 ±2.5 ±2.5 ±2.5 ±2.5 ±2.5 [mm]  K 0.15 0.15 0.15 0.15 0.2 0.25 - [mm] 3000  K [degrees] ...
Page 47: Checking The Impeller Gap
Measures prior to commissioning Checking the impeller gap There are two variants of impeller configuration: - Impeller with shroud - Impeller without shroud (unshrouded impeller) Variant “impeller with shroud”: The nozzle (rotating part) must indicate sufficient clearance to the inlet cone (fixed part) around the entire circumference to ensure that any possibility of abrasion is eliminated.
Page 48: Fig. 8-3 Impeller Gap For Unshrouded Impeller
Measures prior to commissioning Variant “impeller without shroud (unshrouded impeller)”: The unshrouded impeller (rotating part) must indicate sufficient clearance to the inlet cone (fixed part) around the entire circumference to ensure that any possibility of abrasion is eliminated. Never allow sparks to be generated as a result of abrasion.
Page 49: Connecting The Duct Work
Measures prior to commissioning Connecting the duct work The fan may only ever be switched on if the duct work is connected to inlet and discharge. Exception: For free inlet fans, the corresponding accessory is to be fitted in place of the duct work at inlet (e.g. round filter, silencer, suction box with additional accessory).
Page 50 Measures prior to commissioning DANGER Connection of the duct work to the fan! Fatalities or extremely serious injuries as a result of explosion caused by sparks generated by abrasion of the impeller due to warping of the fan. → Align the duct work to the fan before connecting the duct work to the fan.
Page 51: Fitting The Flexible Connections
Measures prior to commissioning Fitting the flexible connections Fit the flexible connections after the duct work of the plant has been guided toward the inlet and discharge of the fan. Please consider the following points when fitting the flexible connections: - Install the flexible connections together with the chutes (optional) - Install the chutes (optional) in the direction of flow...
Page 52 Measures prior to commissioning NOTICE! Refer to the separate instruction of the flexible connection manufacturer. There are several variants of flexible connections: - Flanged flexible connections with back flanges - Hose flexible connections with hose clamps - Belt-type flexible connections with insulation packing - Stainless steel flexible connections Observe the following additional information.
Page 53: Activating The Re-Lubrication Devices
Measures prior to commissioning Activating the re-lubrication The fan can be equipped with automatic re-lubrication devices devices. Re-lubrication devices can be applied: - for re-lubrication of the bearings - to enhance the sealing of the shaft seal The re-lubrication devices (grease injector) must always be activated prior to initial commissioning of the fan.
Page 54: Bearings
Measures prior to commissioning 8.5.1 Bearings Re-lubrication device for the bearing: Regular re-lubrication by the maintenance personnel is no longer applicable when using automatic re-lubrication devices (grease injectors). Set the dispensing period at the grease injector in accordance with respective size of the bearing in accordance with Table 8-3 Specifications for the respective bearing can be obtained from the following sources:...
Page 55 Measures prior to commissioning Housing Rolling bearing Dispensing period SN... [Months] 2307KC3 2308KC3 2309KC3 2310KC3 2311KC3 2312KC3 2313KC3 2315KC3 2316KC3 2317KC3 2318KC3 2319KC3 22215KC3 22216KC3 22217KC3 22218KC3 22219KC3 22220KC3 22222KC3 22224KC3 Table 8-3 Dispensing periods for grease injectors for single bearings (recommended) Information regarding multiple bearing blocks: Set the dispensing period for all multiple bearing blocks, regardless of bearing size, to 12 months at the grease...
Page 56: Shaft Seal
Measures prior to commissioning 8.5.2 Shaft seal Re-lubrication device for the shaft seal: Grease is pressed into the sealing gap via the automatic re- lubrication device to increase effectiveness of the shaft seal. Handled gas of fan: If the fan is used for the conveyance of explosive or toxic media, or media which is harmful to health, refer to the information on hazards as follows.
Page 57: Connecting The Shaft Seal
Measures prior to commissioning Connecting the shaft seal If the fan is equipped with a shaft seal which has been provided for connection to a barrier gas line, the shaft seal must be connected to the barrier gas line before starting up the fan for the first time.
Page 58: Fig. 8-10 Instrument Panel For Shaft Seals With Barrier Gas Supply
Measures prior to commissioning Configuration of shaft seal with barrier gas instrument panel (optional): If the shaft seal is connected to a barrier gas instrument panel, or is configured for this purpose, set the barrier gas via the pressure controller. Change the filter in accordance with the instructions of the instrument manufacturer.
Page 59: Electrical Connection
Measures prior to commissioning Electrical connection All tasks on the electrical connections may only be carried out by electrical specialists. Refer to the guidelines of the local energy supplier. NOTICE! The fan itself does not feature an ON/OFF main switch, EMERGENCY STOP device...
Page 60: Fig. 8-11 Drawing Of Potential Equalisation System
Measures prior to commissioning  Avoidance of stray currents: The operating company is responsible for the avoidance of stray currents. These currents can be harmful to components of the fan. Stray currents are electric currents which do not flow through the electrical mains network. These currents could cause: - corrosion and pitting - the development of new magnetic fields...
Page 61: Fig. 8-12 Earthing Clamp
Measures prior to commissioning Fan configuration with earthing clamps (optional): If the fan and/or accessories are configured with earthing clamps, the fan must be connected to the system earth prior to initial activation. The earthing cable is not included within the scope of delivery.
Page 62: Connecting The Monitoring Devices
Measures prior to commissioning Connecting the monitoring Fan configuration with monitoring devices (optional): devices Wherever monitoring devices are included within the scope of delivery, they are generally delivered as individual parts. Professional installation and setting must be performed on site by electrical specialists. All tasks on the electrical connections may only be carried out by electrical specialists.
Page 63: Monitoring Devices Limit Values
Measures prior to commissioning Monitoring devices limit values Refer also to chapter 8.8 Connecting the monitoring devices in this regard. Set the monitoring devices in accordance with the following limit values for “pre-alarm” and “disconnection”. Incorporate these limit values in the control system of the plant.
Page 64: Vibrations
Measures prior to commissioning 8.9.1 Vibrations Limit values for “pre-alarm” and “disconnection”: Machinery class Rated motor Substructure or type Measure Limit values for power of assembly effective velocity v [kW] [mm/s] Pre-alarm > 2.8 Rigid Disconnection > 4.5 2 *) >...
Page 65: Temperatures
Measures prior to commissioning 8.9.2 Temperatures After the start-up phase, a virtually constant bearing temperature (T) is set, approximately three hours following activation of the fan and with maximum permissible speed. The normal bearing temperature during operation of the fan is within a range of +55 …...
Page 66: Connecting The Cooler Fan
Measures prior to commissioning 8.10 Connecting the cooler fan Fan configuration with additional cooler fan (optional): For electrical connection of the additional cooler fan, refer to the instructions in chapter 8.7 Electrical connection. All tasks on the electrical connections may only be carried out by electrical specialists.
Page 67: Checking The Lubricant
Measures prior to commissioning 8.11 Checking the lubricant Fan configuration with grease-lubricated bearings: Grease-lubricated bearings are filled with lubricating grease at the factory and are fully operational. NOTICE! The type of grease used is specified on the fan, on an additional information plate next to the nameplate. Only this grease type may be used for re-lubrication.
Page 68 Measures prior to commissioning Fan configuration with oil-lubricated bearings: If the fan is equipped with an oil bearing, the oil level and the respective oil type must be checked before starting up the fan for the first time. The oil bearings are filled with oil at the factory. Specifications for the respective oil can be obtained from the following sources: - On the corresponding information plate on the fan...
Page 69: Fig. 8-14 Anti-Corrosion Oil Information Plate
Measures prior to commissioning Information plate for bearing filled with special anti-corrosion oil: ACHTUNG: Die Stehlager sind mit einem Spezial-Konservierungsöl gefüllt. Maßnahmen vor Erstinbetriebnahme: Spezialkonservierungsöl ablassen Schritt 1: Bei Verwendung von mineralischem Öl als Betriebsöl: Lager mit Betriebsöl füllen (Ölsorte und Ölmenge gemäß Angaben des Lagerschildes Schritt 2: beachten) Bei Verwendung von synthetischem Öl als Betriebsöl:...
Page 70: Connecting The External Oil Supply System
Measures prior to commissioning 8.12 Connecting the external oil Fan configuration with external oil supply system (optional): supply system If the fan is equipped with an external oil supply system, the oil supply system must also be started up for activation of the fan.
Page 71: Checking The Final Installation Condition
Measures prior to commissioning 8.13 Checking the final installation Check the final installation condition of the fan prior to initial condition commissioning in accordance with the following checklist: Ensure freedom-of-movement for the impeller (turn 1x by hand), no rubbing noises should be audible and the impeller should rotate freely - Check the impeller gap (refer to chapter 8.2) - Remove any foreign objects and accumulations of...
Page 72 Measures prior to commissioning The fan may then only be switched on when the final installation condition has been checked. DANGER Fan openings and rotating parts! Fatalities or extremely serious injuries as a result of ejected parts and seizing of body parts and clothing. →...
Page 73: Start-Up
Start-up Start-up The fan may only ever be switched on if the duct work is connected to inlet and discharge. DANGER Inlet of fan! Fatalities or extremely serious injuries resulting from suction. → For free inlet fans:  Never stand in immediate proximity of the inlet. ...
Page 74: Switching On The Fan
Start-up Switching on the fan All tasks on the electrical connections may only be carried out by electrical specialists. Measures for initial activation: Ensure professional wiring, connection and electrical safeguarding of the fan, including accessories. NOTICE! Refer also to the separate instructions of the motor manufacturer, as well as additional order-related instructions and other documents for the electrical components (e.g.
Page 75: Powering Up The Fan
Start-up Powering up the fan Regard the following points when powering up the fan: Close the damper (such as throttle damper or shut-off damper) to alleviate the power-up phase - A sufficient level of acceleration torque must be available throughout the entire period of the power-up phase up to nominal speed DANGER Bursting of the fan, ejection of parts!
Page 76 Start-up Refer to the specifications on the motor nameplate. WARNING Motor and additional components of the power train! Damage to the motor and to additional components of the power train as a result of exceeding the specified values. → Observe the specifications of the motor manufacturer. Gasproof fan configuration (optional): If the fan has been constructed in a gasproof configuration, perform a leak test following the power-up phase of the fan.
Page 77: Direct Connection
Start-up 9.3.1 Direct connection The starting current for direct starting (delta starting) of the motor can total 6 - 8 times the rated current. Ensure appropriate electrical safeguarding 9.3.2 Star-delta starting Ensure prompt continued connection from star to delta starting to facilitate power-up of the fan. Consider the current peak in this regard and ensure appropriate electrical safeguarding.
Page 78 Start-up Example 1: Fan speed 1500 rpm When powering up from a standstill, the ramp time of 75 seconds may not be fallen short of. Example 2: Change of operating point from 3000 rpm to 2000 rpm Allow 50 seconds time for this speed change. WARNING Motor and additional components of the power train! Damage to the motor and to additional components of the...
Page 79 → When powering up and powering down the fan, accelerate quickly through possible critical speeds. Parameterisation of the variable speed control: Never change the settings on the variable speed control performed by REITZ (minimum and maximum speed, ramp times, blocked speeds, etc.) WARNING Fan and all connected components! Damage to the fan and to all connected components due to excessive incorrect setting values.
Page 80: Switching Off The Fan
Start-up Switching off the fan The fan itself does not feature an ON/OFF main switch, an EMERGENCY STOP device or EMERGENCY OFF device. Activation and deactivation of the fan must be realised from the control room and must be incorporated in the control system of the plant. Only specialist personnel who have been contracted by the person responsible for the plant may activate or deactivate the fan.
Page 81: Operation
Operation 10. Operation Operation of the fan is only permissible if the limit values of the monitoring devices remain below that prescribed. Refer to chapter 8.9 Monitoring devices limit values. For values above the limit values for “disconnection”, shut down the fan immediately and rectify the cause of the fault.
Page 82 Operation WARNING Extreme vibrations of the fan! Damage to the fan and additional components of the power train, formation of cracks on the fan and on the installation site (e.g. foundation), loosening of fastenings, increase of noise. → Ensure continuous monitoring of the fan condition. →...
Page 83: Regulation Via Variable Speed Control
Operation 10.1 Regulation via variable speed Refer to chapter 9.3.3 Variable speed control control 10.2 Emergency shutdown The fan itself does not feature an ON/OFF main switch, an EMERGENCY STOP device or EMERGENCY OFF device. Activation and deactivation of the fan must be realised from the control room and must be incorporated in the control system of the plant.
Page 84: Minimum Duration Of Operation
Operation 10.4 Minimum duration of operation If the fan is not switched off for a lengthy period of time (more than 2 months), oil separation could occur in the lubricating grease. NOTICE! Switch on the fan for short-term operation for a few minutes at least once every 2 months.
Page 85: Minimum Speeds
Operation 10.5 Minimum speeds This chapter is only applicable for fans featuring oil- lubricated single bearings. No minimum speed must be observed for oil-lubricated multiple bearing blocks and for grease-lubricated bearings. NOTICE! Oil bearings with oil supply ring require a minimum speed to facilitate flawless oil supply within the bearing housing.
Page 86: Maximum Speeds
Operation Fan configuration with freewheel or backstop (optional): NOTICE! Refer also to the separate instructions of the respective manufacturer. 10.6 Maximum speeds The maximum permissible speed for the fan can be obtained from the following sources: - On the nameplate on the fan - On the fan data sheet NOTICE! Refer also to chapter 9.3 Powering up the fan.
Page 87: Fault And Rectification
Fault and rectification 11. Fault and rectification In the event of faults occurring, the following measures must be implemented:  Allow the fan to run down and switch it off  Wait until the impeller comes to a complete standstill ...
Page 88 Fault and rectification All fan structural designs are susceptible to the following faults Fault Possible cause Remedial measure Fan not running smoothly Build-up of material on the Clean the impeller with a scraper impeller or brush Replace the impeller Impeller worn due to solid matter in the handled gas Impeller deformed as a result of Replace the impeller...
Page 89 Table 11-2 Faults and remedial measures (all structural designs) - continued NOTICE! A REITZ service technician can be requested to rectify all manner of faults. Refer to chapter 14.1 Requesting a REITZ service technician. 89 / 128 Operating_Manual_Fan_KXE_04_en.docx...
Page 90 Fault and rectification The following faults can occur on fan structural designs K (coupling) and R (belt) Fault Possible cause Remedial measure Replace the bearings Fan not running Damage to bearings of the fan smoothly shaft Lubrication of bearings for fan For grease bearings: Re-lubricate.
Page 91: Inspecting The Fan
Inspecting the fan 12. Inspecting the fan Inspections to be performed regularly are described in this chapter. These inspections are prerequisite if operational reliability of the fan is to be maintained. Additional inspections may be necessary, depending on respective utilisation of the fan. In this case, the time intervals for the inspections must be adapted accordingly.
Page 92: Weekly Inspections
Inspecting the fan 12.1 Weekly inspections Inspections must be performed in compliance with Table 12-1 during operation of the fan. Component Weekly inspections during operation Bearings (for structural designs K and R If the fan is not equipped with permanently installed only) monitoring devices, checks must be performed using mobile measuring equipment:...
Page 93: Monthly Inspections
Inspecting the fan 12.2 Monthly inspections Component Monthly inspections during operation Oil bearing Check the oil level (optimum oil level is between the “min.” and “max.” markings). Anti-vibration mounts (optional) Check condition of the anti-vibration mounts with regard to cracks or other damage. Replace damaged parts within the context of maintenance tasks with the fan at a standstill.
Page 94: Annual Inspections
Inspecting the fan 12.3 Annual inspections Component Annual inspections with the impeller at a standstill Impeller Inspect the impeller for build-up of material, damage, cracks or deformations with the impeller at a complete standstill Bearings (for structural designs K and R Retighten the screws using a torque wrench.
Page 95: Maintenance
Maintenance 13. Maintenance Observe the tasks for inspection of the fan in chapter 12 Inspecting the fan. The maintenance tasks pertaining to inspections to be performed regularly are described in this chapter. All maintenance tasks must be performed with the impeller at a complete standstill.
Page 96 Maintenance The maintenance tasks are to be performed as follows:  Allow the fan to run down and switch it off  Wait until the impeller comes to a complete standstill  Secure the fan against unintentional restart  Secure the impeller against unintentional rotation due to flue draught or other air flows in the connected duct work WARNING Fan bearing, housing and pedestal!
Page 97: Lubricants
Maintenance 13.1 Lubricants Fan configuration with grease-lubricated bearings: Grease-lubricated bearings are filled with lubricating grease at the factory and are fully operational. Lubricating greases to be used in accordance with Table 13-1: Requirement Lubricating grease For normal climatic conditions, SHELL GADUS i.e.
Page 98 REITZ  Ensure compatibility of the alternative products with the lubricants already filled by REITZ at the time of delivery  Only when all of the aforementioned prerequisites have been satisfactorily met may the alternative lubricant(s) be...
Page 99: Bearings
Maintenance 13.2 Bearings There are four variants of bearing: Lubricant Bearings For re-lubrication intervals and oil quantities, refer to chapter … Grease Single bearing 13.2.1 Grease Multiple bearing block 13.2.2 Single bearing 13.2.3 and 13.2.5 Multiple bearing block 13.2.4 and 13.2.5 Table 13-3 Variants of bearing Specifications for the respective bearing can be obtained...
Page 100: Fig. 13-3 Borehole For Exuding Of Grease (Example)
Maintenance General information regarding re-lubrication Observe the following points regarding re-lubrication of the bearings: - Lubricate both bearings with the corresponding quantity of grease with the fan switched on - Use the lubricating grease specified on the information plate on the fan and in accordance with specifications in this operating manual - Ensure that the boreholes provided for exuding of the grease remain clear...
Page 101: Grease-Lubricated Single Bearing
Maintenance 13.2.1 Grease-lubricated single bearing Configuration with clamping sleeve (tapered bearing) Housing Rolling Re-lubrication intervals [operating hours] Grease bearing quantity * lubrica- = impeller speed tion quantity SN… = 3000 min = 1500 min = 1000 min 2307KC3 4000 4000 4000 2308KC3 3600...
Page 102: Grease-Lubricated Multiple Bearing Block
Maintenance 13.2.2 Grease-lubricated multiple bearing block Configuration AA and AK ZLG… Non- Fixed Re-lubrication intervals [operating hours] Grease locating bearing quantity * lubrica- = impeller speed bearing tion quantity **  3600  3000  1800  1500  1000 >...
Page 103 Maintenance Configuration AC ZLG… Non- Fixed Re-lubrication intervals [operating hours] Grease locating bearing quantity * lubrica- = impeller speed bearing tion quantity **  3600  3000  1800  1500  1000 > 3000 > 1800 > 1500 > 1000 NJ315 6315 1700...
Page 104: Oil-Lubricated Single Bearing
Maintenance 13.2.3 Oil-lubricated single bearing Type Oil quantity * Type Oil quantity * Type Oil quantity * [litres] [litres] [litres] SNOE 214 GOF 214 GOS 214 SNOE 217 GOF 217 GOS 217 SNOE 218 GOF/ROF 218 GOS 218 SNOE 220 GOF/ROF 220 GOS 220 SNOE 222...
Page 105: Oil-Lubricated Multiple Bearing Block
Maintenance 13.2.4 Oil-lubricated multiple bearing block Type Oil quantity * [litres] ZLOE / DLOE 218 ZLOE / DLOE 220 ZLOE / DLOE 222 ZLOE / DLOE 315 ZLOE / DLOE 317 ZLOE / DLOE 319 * Approximate specification for oil quantity in litres per bearing housing Table 13-8 Oil quantities multiple bearing block 13.2.5 Oil change intervals...
Page 106: Shaft Seal
Maintenance 13.3 Shaft seal There are three variants of shaft seal: Shaft seal (previous designation in Structural design Maintenance and description brackets) in accordance with chapter … REW1 Seal locking plate 13.3.1 (DBW) REW6 Chamber seal 13.3.2 (DSW) REW7 Labyrinth seal 13.3.3 (WDKF, WDKS, ADKF, ADKS, SDW) Table 13-10 Shaft seals...
Page 107: Seal Locking Plate
Maintenance 13.3.1 Seal locking plate A soft fibre ring is used for the seal locking plate (e.g. UNITEC 300). There are two variants of seal locking plate: Type Structural design REW101-10 With coupling guard collar REW102-10 Without coupling guard collar Table 13-11 Seal locking plates The seal locking plate is maintenance-free.
Page 108: Labyrinth Seal
Labyrinth seal NOTICE! Sealing rings and complete seals may be ordered directly from REITZ. Always specify the serial number of the fan when ordering. Fan configuration in accordance with ATEX (optional): If the fan is intended for use in potentially explosive environments pursuant to Directive 2014/34/EU (ATEX), the shaft seal must be connected to a barrier gas line.
Page 109 Maintenance ATTENTION! Harmful to the environment! Dispose of the worn sealing rings and other parts which are no longer required in an environmentally- friendly manner, accordance with requirements of the respective country of use Variant “connection to re-lubrication device (grease injector)”: Refer to chapter 8.5 Activating the re-lubrication devices in this regard.
Page 110: Shaft Earthing
Maintenance 13.4 Shaft earthing Fan configuration with shaft earthing (optional): Check the shaft earthing once a month using the procedure as follows. Procedure for checking the shaft earthing:  Allow the fan to run down and switch it off  Wait until the impeller comes to a complete standstill ...
Page 111: Fig. 13-9 Measuring The Carbon Brush
5 mm. Never allow sparks to be generated as a result of abrasion. NOTICE! Carbon brushes, retainers and other spare parts can be ordered from REITZ. Always specify the serial number of the fan when ordering. ATTENTION! Harmful to the environment!
Page 112: Repair
Repair 14. Repair All work on the fan must be carried out exclusively by competent persons with the fan switched off and the impeller at a complete standstill. This applies in particular for repairs and servicing work, such as replacement of the impeller or replacement of the bearings.
Page 113 NOTICE! Special mounting instructions for replacement of the impeller / bearings, etc. can be requested directly from REITZ. In addition, all repairs and remedial maintenance can be carried out by a REITZ service technician. 113 / 128 Operating_Manual_Fan_KXE_04_en.docx...
Page 114: Requesting A Reitz Service Technician
- Auxiliary materials or equipment available on site, or which must be provided by the service technician All addresses, telephone numbers and e-mail addresses for the REITZ Group can be obtained in chapter 20 Addresses of the REITZ group 14.2 Requesting spare parts...
Page 115: Decommissioning
Decommissioning 15. Decommissioning If the fan has been out of operation for a period exceeding 3 months, the following steps should be performed. All work on the fan must be carried out exclusively by competent persons with the fan switched off and the impeller at a complete standstill.
Page 116 Decommissioning Variant “grease-lubricated single bearings”: Apply additional grease to both bearings until fresh grease is exuded and turn the shaft a few times by hand. Variant “grease-lubricated multiple bearing blocks”: Fill the space between housing cover and rolling bearing with grease and turn the shaft a few times by hand.
Page 117: Recommissioning
Recommissioning 16. Recommissioning If the fan has been out of operation for a period exceeding 3 months, the following procedure is to be observed. Procedure for recommissioning:  Check the bearings and shaft seals for leaks  If leaks are ascertained, replace the corresponding components ...
Page 118 Recommissioning DANGER Corroded, damaged or non-functioning parts! Fatalities or extremely serious injuries from explosions resulting from the generation of sparks. Damage to the fan. → Replace old parts with new parts. → Remove any accumulations of water from all fan parts. →...
Page 119: Dismantling
Dispose of individual parts of the fan, accessory parts and lubricants in an environmentally-friendly manner, and in accordance with the requirements of the respective country of use. NOTICE! Allow dismantling to be carried out professionally by a REITZ service technician. 119 / 128 Operating_Manual_Fan_KXE_04_en.docx...
Page 120 Dismantling In the event that the fan is to be reassembled following dismantling, please observe the following points: - Mark the parts which fit together with one another prior to commencing dismantling - These parts must be fitted together in precisely the same manner as was realised prior to dismantling - Replace flattened or damaged seals with new seals - Replace all worn or damaged parts...
Page 121: Waste Disposal
Waste disposal 18. Waste disposal Dispose of the fan components once they have been dismantled. Refer to the instructions in chapter 17 Dismantling. ATTENTION! Harmful to the environment! Dispose of individual parts of the fan, accessory parts and lubricants in an environmentally-friendly manner, and in accordance with the requirements of the respective country of use.
Page 122: Annex
Annex 19. Annex 19.1 Inspections in accordance with The following checklist should be observed as a record of the checklist the inspections performed. Checklist for inspections performed (example) REITZ 319660 Date of initial 12/2/2015 fan no. commissioning Time Measures implemented...
Page 123 Annex Checklist for inspections performed (master template) REITZ Date of initial fan no. commissioning Time Measures implemented Date Authorised person Printed name Signature 123 / 128 Operating_Manual_Fan_KXE_04_en.docx...
Page 124: Addresses Of The Reitz Group
D-37671 Höxter-Albaxen Phone: +49 5271 964 - 000 E-mail: reitzventilatoren@reitzgroup.com www.reitzgroup.com 24-h hotline +49 170 56 32 768 Reitz Umwelttechnik + Ventilatoren GmbH & Co. KG Gutenbergstraße 20-24 D-37235 Hessisch Lichtenau Phone: +49 5602 936 - 60 E-mail: reitzumwelttechnik@reitzgroup.com www.reitzgroup.com...
Page 125 VII Floor, Block - A Q-City Gachibowli, Nanakramguda Hyderabad – 500 046, India Phone: +91 40 4488 1888 E-mail: info@reitzindia.com www.reitzindia.com Reitz Wentylatory Polska Sp. z o.o. ul. Wrocławska 24 64-000 Kościan, Polska Phone: +48 61 62 42 772 E-mail: gwp@reitzgroup.com www.reitzgroup.com Reitz Ventiladores Brasil Ltda.
Page 126 Addresses of the REITZ group Reitz France S.a.r.l. 20, Avenue de la Paix F-67000 Strasbourg Phone: +49 5271 964 231 E-mail: reitzfrance@reitzgroup.com Reitz Middle East FZE P.O. Box – 9383, X4, Building 32 Sharjah Airport Free Zone Sharjah, UAE Phone: +971 55 993 2628 E-mail: spk@reitzindia.com...
Page 127: List Of Figures
List of figures 21. List of figures Fig. 4-1 Labelling and identification .................... 24 Fig. 4-2 Nameplate (example) ....................25 Fig. 4-3 Nameplate in accordance with ErP Directive (example) ..........25 Fig. 4-4 Nameplate in accordance with ATEX (example) ............26 Fig.
Page 128: Tables Index
Tables index 22. Tables index Table 3-1 Overview of hazards and preventative measures (all structural designs) ...... 16 Table 3-2 Overview of hazards and preventative measures (all structural designs) - continued ..17 Table 4-1 Variants of bearing ......................20 Table 7-1 Tightening torques ......................

REITZ Design KXE Original Instructions Manual

Table of Contents

1 Preface

2 Introduction

3 Fundamental Safety Instructions

4 Product Description

5 Accessories

6 Transport

7 Installation

8 Measures Prior to Commissioning

9 Start-Up

10 Operation

11 Fault and Rectification

12 Inspecting the Fan

13 Maintenance

14 Repair

15 Decommissioning

16 Recommissioning

17 Dismantling

18 Waste Disposal

19 Annex

20 Addresses of the REITZ Group

List of Figures

Quick Links

Chapters

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Table of Contents