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Fluidcontrol
Off-line cooler
ENK
Installation and Operation Instructions
Original instructions
BE360004
Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen
08/2022
Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20
E-Mail: fluidcontrol@buehler-technologies.com
Internet: www.buehler-technologies.com
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Table of Contents
Related Manuals for Bühler technologies ENK 300-15-4-0.75kW-50Hz
Summary of Contents for Bühler technologies ENK 300-15-4-0.75kW-50Hz
- Page 1 Fluidcontrol Off-line cooler Installation and Operation Instructions Original instructions BE360004 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen 08/2022 Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 E-Mail: fluidcontrol@buehler-technologies.com Internet: www.buehler-technologies.com...
- Page 2 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 Internet: www.buehler-technologies.com E-Mail: fluidcontrol@buehler-technologies.com Read this instruction carefully prior to installation and/or use. Pay at- tention particularly to all advises and safety instructions to prevent in- juries.
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Page 3: Table Of Contents
Contents Introduction............................................. 2 Intended use ......................................... 2 Model key.......................................... 2 Scope of delivery ........................................ 2 Safety instructions......................................... 3 Important advice ......................................... 3 General hazard warnings .................................... 4 Transport and storage ........................................ 5 4 Installation and connection ...................................... 6 Requirements to the installation site................................ 6 Installing the unit........................................ 6 4.2.1 Additional advices for units with pump ............................ -
Page 4: Introduction
1 Introduction 1.1 Intended use ENK bypass cooling systems are used to transport and air cool oils in hydraulic and lubrication circuits. Their scope is indicated in the specifications. Any other applications require the prior approval of Bühler Technologies GmbH. 1.2 Model key ENK 300-15-4-0.75kW-50/60Hz Motor frequency... -
Page 5: Safety Instructions
2 Safety instructions 2.1 Important advice Operation of the device is only permitted if: – the product is used under the conditions described in the installation- and operation instruction, the intended application according to the type plate and the intended use. In case of unauthorized modifications done by the user Bühler Technolo- gies GmbH can not be held responsible for any damage, –... -
Page 6: General Hazard Warnings
2.2 General hazard warnings The equipment must be installed by a professional familiar with the safety requirements and risks. Be sure to observe the safety regulations and generally applicable rules of technology relevant for the installation site. Prevent malfunctions and avoid personal injuries and property damage. The operator of the system must ensure: –... -
Page 7: Transport And Storage
3 Transport and storage Only transport the product inside the original packaging or a suitable alternative. Ensure secure fastening and mooring. Air coolers have M8 or M10 eye bolts at the top of the cooler housing for transport. Please note, due to the variety of versions the mounting bracket is not located at the centre of gravity and the cooler may swing when hoisted. -
Page 8: Installation And Connection
4 Installation and connection 4.1 Requirements to the installation site Aggregate The aggregate must be set up to allow for unobstructed air flow and adequate room for maintenance/repairs. When installed outdoors, be sure to consider the motor protection rating (standard: IP 55) and ensure adequate protection from the weather. Air cooler The cooler must be located in such a way that the air flowing through the matrix has free flow on entry and exit. -
Page 9: Installing Swivel Nuts In The Fitting Body
4.2.2 Installing swivel nuts in the fitting body Proceed as follows: – Carefully slide the preinstalled pipe end into the 24° cone on the fitting body. – Tighten the swivel nut until a considerable increase in force can be felt (fixed point). –... -
Page 10: Electrical Connections
4.4 Electrical connections CAUTION Electrical voltage Wrong mains voltage may damage the device. Installation of the device shall be performed by trained staff only. Regard the voltage given on the type plate. Make sure that the cables have sufficient strain relief. Fusing Fusing has to be done due to local standards! Polarity... -
Page 11: Operation And Control
5 Operation and control WARNING Danger due to rotating fan Injuries to the hand may occur. Do not reach into the safety guard! NOTICE The device must not be operated beyond its specifications. NOTICE Abrupt flow variation can lead to pressure peaks that may damage the cooler matrix. Make sure that the specifications are not exceeded in this case! 5.1 Before starting –... -
Page 12: Maintenance
6 Maintenance During maintenance, remember: – The equipment must be maintained by a professional familiar with the safety requirements and risks. – Only perform maintenance work described in these operating and installation instructions. – Observe the respective safety regulations and operating specifications when performing any type of maintenance. –... -
Page 13: Cleaning And Disassembly Of The Cooler Matrix
6.1 Cleaning and disassembly of the cooler matrix Due to the design of the cooling fins, the cooler has low susceptibility to dust and dirt. Normally, it is sufficient to clean the front surface with a brush. However, particularly if the air has a high dust and/or oil mist content, the cooling matrices may require regular cleaning. -
Page 14: Service And Repair
7 Service and repair This chapter contains information on troubleshooting and correction should an error occur during operation. Repairs to the unit must be performed by Bühler authorised personnel. Please contact our Service Department with any questions: Tel.: +49-(0)2102-498955 or your agent For further information about our services and customised maintenance visit http://www.buehler-technologies.com/service. -
Page 15: Disposal
8 Disposal Dispose of the parts in such a way that does not present a danger to other people’s heath or to the environment. Observe the legal requirements in the country of use for the disposal of electrical components and oils and coolants. BE360004 ◦... -
Page 16: Appendices
9 Appendices 9.1 Technical data Technical Data Materials/surface protection Cooling matrix: Aluminium, powder-coated Fan hub: Aluminium, bare Fan blades: Glass-reinforced polypropylene (PPG), bare Ventilation box, guard and motor brackets: Steel, galvanised, powder-coated Screw connections: V2A stainless steel Hydraulic screw fittings: Steel, zinc-nickel coated Hose: synthetic rubber... -
Page 17: Basic Data
9.1.1 Basic data Item no. Cooler model spec. cooling Cooling capacity max. Power output Weight Volume Noise capacity at ETD = circulation rate Number of contacts (kg) db(A)* kW/K 40 K (kW) (L/min) Rated current 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz... -
Page 18: Dimensions
9.2 Dimensions ENK 100-600 Type ENK 100-8-4-0.75kW-50/60Hz G 3/4 ENK 100-15-4-0.75kW-50/60Hz G 3/4 104 ENK 100-30-4-0.75kW-50/60Hz ENK 200-15-4-0.75kW-50/60Hz G1 1/4 130 ENK 200-30-4-0.75kW-50/60Hz ENK 300-15-4-0.75kW-50/60Hz ENK 300-30-4-0.75kW-50/60Hz ENK 400-30-4-0.75kW-50/60Hz ENK 400-60-4-2.2kW-50/60Hz ENK 400-90-4-2.2kW-50/60Hz ENK 500-60-4-2.2kW-50/60Hz ENK 500-90-4-2.2kW-50/60Hz G1 1/4 G1 1/2 135 ENK 600-60-4-2.2kW-50/60Hz ENK 600-90-4-2.2kW-50/60Hz ENK 600-70-4-3.48kW-60Hz... -
Page 19: Installation Torques And Clamping Range For Cable Fitting
9.4 Installation torques and clamping range for cable fitting Strain relief clamping Installation torque (Nm) Size range (mm) M12x1,5 M16x1,5 5-9,5 M20x1,5 8-13 M25x1,5 11-17 M32x1,5 15-21 M40x1,5 19-28 M50x1,5 27-35 M63x1,5 32-42 9.5 Screw torques Thread Torque (Nm) 9.6 Hose torques Connections/mounts Torque (Nm) Hose connections DN20... -
Page 20: Table Of Operational Viscosity For Vg Oil
9.7.2 Table of operational viscosity for VG oil 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C VG 46 264,45 131,96 73,58 46,00 29,13 20,04 14,43 10,78 8,32 VG 68 444,77 210,85 112,61 68,00... -
Page 21: Pressure Loss In Straight Pipes
9.8 Pressure loss in straight pipes Pressure loss (bar) per metre in straight tubing with laminar flow of mineral oil: BFP 8 8 l/min – DN 25 VG 46 VG 68 VG 120 VG 160 VG 220 VG 320 VG 460 VG 680 10 °C 0.03... -
Page 22: Attached Documents
10 Attached documents – Declaration of Conformity KX350006 – RMA - Decontamination Statement 20 Bühler Technologies GmbH BE360004 ◦ 08/2022... - Page 24 RMA-Formular und Erklärung über Dekontaminierung RMA-Form and explanation for decontamination RMA-Nr./ RMA-No. Die RMA-Nummer bekommen Sie von Ihrem Ansprechpartner im Vertrieb oder Service./ You may obtain the RMA number from your sales or service representative. Zu diesem Rücksendeschein gehört eine Dekontaminierungserklärung. Die gesetzlichen Vorschriften schreiben vor, dass Sie uns diese Dekontaminierungserklärung ausgefüllt und unterschrieben zurücksenden müssen.
- Page 25 Dekontaminierungserklärung DE000011 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen 01/2019 Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 E-Mail: service@buehler-technologies.com Internet: www.buehler-technologies.com...