Riedel 2NK6746W Assembly Instructions Manual
Riedel 2NK6746W Assembly Instructions Manual

Riedel 2NK6746W Assembly Instructions Manual

Water/air split cooling system 12 kw / 17 kw / 20 kw
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Original
ASSEMBLY INSTRUCTIONS
WATER/AIR SPLIT COOLING SYSTEM
GDD – Part Numbers
2NK6746W
2NK67451W
2NK67451A
2NK6751W
SERVICE EUROPE
24/7 Hotline: +49 (0) 9221 / 709
545
E-Mail: service-
riedel@glendimplex.de
https://www.glendimplex.de
4541076601_E_EN
2021-06-29
ENGLISH
12 kW / 17 kW / 20 kW
2NK6745S
Glen Dimplex Deutschland GmbH
Geschäftsbereich RIEDEL Kältetechnik
Am Goldenen Feld 18
D-95326 Kulmbach
Telefon: +49 (0) 9221 / 709 545
SERVICE ASIA
24/7 Hotline: +86 24 8378 0248
E-Mail: service-
asia@glendimplex.de
Siemens – Part Numbers
10589726
10430821
10743384
07741577
11331491
SERVICE AMERICA
24/7 Hotline: +1 269 349 6800
E-mail: service-
usa@glendimplex.de Web:
www.dimplexthermal.com
FOR
page 1 von 29

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  • Page 1 10430821 2NK67451A 10743384 2NK6745S 07741577 2NK6751W 11331491 Glen Dimplex Deutschland GmbH Geschäftsbereich RIEDEL Kältetechnik Am Goldenen Feld 18 D-95326 Kulmbach Telefon: +49 (0) 9221 / 709 545 SERVICE EUROPE SERVICE ASIA SERVICE AMERICA 24/7 Hotline: +49 (0) 9221 / 709...
  • Page 2 Original This document was drawn up by the Technical Documentation Department of Glen Dimplex. Glen Dimplex reserves all rights to this documentation, especially the right to reproduce, distribute and translate this document. This also applies in case of patent and industrial rights applications. No part of this document may be reproduced, processed, copied or distributed by either conventional or electronic means without the prior written consent of Glen Dimplex.
  • Page 3: Table Of Contents

    Cooling Water Circuit..................9 Electrical / Control Equipment ................9 TECHNICAL DATA ....................10 TRANSPORT AND STORAGE ................11 Transport Specifications ................. 11 Indoor Units 2NK6746W (10589726), 2NK67451W (10430821) 2NK6751W (11331491) ....................12 Outdoor Unit 2NK67451A (10743384) ............13 Installation ...................... 13 Assembly .........................
  • Page 4: For Your Safety

    Original FOR YOUR SAFETY 1 FOR YOUR SAFETY 1.1 Regulations The design, construction and development of the process cooler are in compliance with the following national and international regulations. Directives / Standards - Low Voltage Directive 2014/35/EU - EMC Directive 2014/30/EU - Pressure Equipment Directive 2014/68/EU - RoHS Directive 2011/65/EU 4541076601_E_EN...
  • Page 5: Signs And Symbols

    Original FOR YOUR SAFETY 1.2 Signs and Symbols Throughout this manual, the information and notices below are identified by graphical symbols: Graphical Symbols Danger! Safety note pointing out an imminent danger. Failure to heed the warning may result in serious bodily injury and even death. Caution! Safety note to indicate the presence of a potential hazard.
  • Page 6: Safety Notices

    Original FOR YOUR SAFETY 1.3 Safety Notices For the installation, operation and maintenance of the process cooler, the following regulations and safety notices have to be observed: Any work on the process cooler may only be performed by qualified personnel. All relevant accident prevention regulations have to be observed The appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and...
  • Page 7: Handling Of Refrigerant

    Original FOR YOUR SAFETY 1.4 Handling of Refrigerant When handling refrigerants, all legal provisions and guidelines must be complied with. Only qualified personnel may perform these activities. The operator of the process cooler is responsible for the proper disposal of used refrigerants and system parts.
  • Page 8: Operation

    Original FOR YOUR SAFETY 1.5.2 Operation The owner and/or the operator of the process cooler is obligated to establish emergency practices (in the case of accidents and malfunctions). A short version of the operating instructions must be drawn up by the operator – based on this present Operating Manual –...
  • Page 9: Description Of The Process Cooler

    Original DESCRIPTION OF THE PROCESS COOLER 2 DESCRIPTION OF THE PROCESS COOLER The 12 kW water-/air split cooling system, 17 kW water/air split cooling system and the 20 kW water/air split cooling system are water-cooled chillers, ready for plug-in, in split-design incorporating a refrigeration circuit and cooling water circuits including all fittings and regulating/control devices required for automatic operation.
  • Page 10: Technical Data

    Original TECHNICAL DATA 3 TECHNICAL DATA Type Cooling system Coolingsystem Cooling system 12 kW 17 kW 20 kW GDD part number 2NK6746W 2NK67451W 2NK6751W Siemens part number 10589726 10430821 11331491 Net cooling capacity 12 kW 17 kW 20 kW Voltage 3x 400V/50Hz / 3x 460-480V/60Hz Max.
  • Page 11: Transport And Storage

    Original TRANSPORT AND STORAGE 4 TRANSPORT AND STORAGE The safety notices contained in Chapter 1 must be complied with! Additional safety notices in Chapter 4.4. Caution: The Indoor-unit has a high center of gravity. Tilting of the device should be avoided if possible! Incorrect use of unsuitable lifting equipment poses a risk of injury.
  • Page 12: Indoor Units 2Nk6746W (10589726), 2Nk67451W (10430821) And 2Nk6751W (11331491)

    Original TRANSPORT AND STORAGE 4.2 Indoor Units 2NK6746W (10589726), 2NK67451W (10430821) and 2NK6751W (11331491) The indoor unit of the split cooling system is designed exclusively for installation in enclosed and sheltered areas. The unit must not be installed outdoors as it cannot be guaranteed that the unit will function properly there (temperature effect, tightness of the housing).
  • Page 13: Outdoor Unit 2Nk67451A (10743384)

    Original TRANSPORT AND STORAGE 4.3 Outdoor Unit 2NK67451A (10743384) The cooling unit is to be installed outdoors and there may be a height difference of ± 20 m between the outdoor and the indoor units. The surface must be even, level and horizontal.
  • Page 14 Original TRANSPORT AND STORAGE Wear protective gloves! How to open the wooden box: Remove the screws from the top by means of a cordless screwdriver first. Pull side panels apart. Use a crow bar if necessary. Remove all mounting brackets: Figure 4: Mounting brackets Erecting and transport via crane: Figure 5: taken from original manual KCE1502A04P_M by Luvata...
  • Page 15 Original TRANSPORT AND STORAGE Erecting and transport without crane: Remove both wooden blocks without removing/damaging the felt cover. Move unit for attaching the support legs. Mounting support legs: Figure 6: taken from original manual KCE1502A04P_M by Luvata Tilt unit on the support legs. Fasten support legs at final position. 4541076601_E_EN 2021-06-29 page 15 von 29...
  • Page 16: Assembly

    Original Assembly 5 Assembly The safety notices contained in Chapter 1 must be complied with! 5.1 Electrical Connection The following electrical connections need to be made: Connect power supply cable W820 to outdoor unit Connect communication cable W821 to gantry Check connection of control-power transformer Connect process cooler to on-site power supply 4541076601_E_EN...
  • Page 17: Hydraulic Connection

    Original Assembly 5.2 Hydraulic Connection The connections for the primary and secondary circuits are located in the lower section of the indoor unit. When making the hydraulic connections, the hoses supplied with the unit must be used. The mounting instructions supplied with the hoses and hose clamps must be observed.
  • Page 18: Commissioning

    Original Assembly 5.3 Commissioning 4541076601_E_EN 2021-06-29 page 18 von 29...
  • Page 19: Filling Both Cooling Circuits

    Original Assembly 5.3.1 Filling Both Cooling Circuits Do not start filling the cooling circuits until the individual components have been incorporated as specified. Only genuine hoses are to be used in accordance with specifications. We recommend the use of GDD fill pump sets (order number 4518109031). Step Primary Circuit Secondary Circuit...
  • Page 20: Draining Both Cooling Circuits

    Original Assembly Inadequate rinsing and associated venting can cause damage to the pump. 7 of 12 Once the medium flows out of the flushing hose with almost no air bubbles, close the fill and drain valve (4) as well as the flushing hose outlet and open valve (3). 8 of 12 Any remaining air will be removed from the system via the air separator.
  • Page 21 Original Assembly Step Primary Circuit Secondary Circuit 1 of 8 Turn off cooling system using the main switch and take proper lock-out measures. 2 of 8 Close ball valve (2) 3 of 8 Connect suitable transparent Connect suitable transparent hoses hoses to the fill and drain valves to the fill and drain valves (1) &( 4) (1) &...
  • Page 22: Environmental Requirements

    Original ENVIRONMENTAL REQUIREMENTS 6 ENVIRONMENTAL REQUIREMENTS When repairing or placing the process cooler out of service (decommissioning), the environment-relevant requirements regarding recovery, reuse and disposal of fuels/oils and components according to DIN EN 378 have to be complied with. The operator of the process cooler is responsible for the proper disposal of used fuels, oils and system components.
  • Page 23: Regular Inspections And Tests

    Original REGULAR INSPECTIONS AND TESTS 8 REGULAR INSPECTIONS AND TESTS The safety notices contained in Chapter 1 must be complied with! During the lifetime of the process cooler, inspection and tests (not included in the scope of the warranty) must be carried out in accordance with national regulations! If there are no relevant local regulations with respect to periodic testing, regular device-specific tests should be performed based on EN 378-2.
  • Page 24: Malfunctions / Troubleshooting

    Original MALFUNCTIONS / TROUBLESHOOTING The visual inspection comprises the following: Checking the intactness of the joints seals in the refrigeration circuit (pipe joints at the compressor) (red seals) Visual inspection of the refrigeration circuit for oil leaks in the area of the compressor and condenser connecting lines (suction line, pressure line) Inspection of the condenser heat exchanger surface and the refrigerant piping for corrosion damage...
  • Page 25 Original MALFUNCTIONS / TROUBLESHOOTING Error Codes on Display Controller Board: 4541076601_E_EN 2021-06-29 page 25 von 29...
  • Page 26 Original APPENDIX RI-Fließbild / PI Diagram 4541076601_E_EN 2021-06-29 page 26 von 29...
  • Page 27 Original APPENDIX Prinzipskizzen / Schematic Diagrams 4541076601_E_EN 2021-06-29 page 27 von 29...
  • Page 28 Original APPENDIX Abmessungen / Dimensions 4541076601_E_EN 2021-06-29 page 28 von 29...
  • Page 29 Original APPENDIX 4541076601_E_EN 2021-06-29 page 29 von 29...

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