Danfoss VLT CDS 803 Operating Manual
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Danfoss VLT CDS 803 Operating Manual

Danfoss VLT CDS 803 Operating Manual

Compressor drive 6–30 kw
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Operating Guide
VLT® Compressor Drive CDS 803
6–30 kW
vlt-drives.danfoss.com

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Summary of Contents for Danfoss VLT CDS 803

  • Page 1 Operating Guide VLT® Compressor Drive CDS 803 6–30 kW vlt-drives.danfoss.com...

  • Page 3: Table Of Contents

    3.2.3.3 Terminal Overview of Enclosure Size H6 3.2.3.4 Connecting to Mains and Compressor Terminals 3.2.3.5 Relay Terminals 3.2.3.6 Control Terminals 3.2.4 Setting Up RS485 Serial Communication 3.2.5 EMC-compliant Electrical Installation Commissioning Programming Interfaces Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570 | 3...
  • Page 4 Relay Outputs, Enclosure Sizes H3–H5 6.4.8 Relay Outputs, Enclosure Size H6 6.4.9 RS485 Serial Communication Ambient Conditions Conforming Standards Cable Lengths and Cross-sections Acoustic Noise Shipping Dimensions 6.10 Accessories and Spare Parts Appendix Abbreviations 4 | Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570...
  • Page 5 VLT® Compressor Drive CDS 803 Operating Guide Contents Conventions Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570 | 5...

  • Page 6: Introduction

    The latest software does not always contain the latest updates for the drive. Contact the local sales office for the latest drive updates (in the form of *.upd files), or download the drive updates from the Service and Support download page on www.danfoss.com.

  • Page 7: Disposal

    The VLT® Compressor Drive CDS 803 with S096 in the type code is certified against UL/EN/IEC 60730-1. Example: CDS803P30KT4E20H2XXXXXXS096XAXBXCXXXXDX 1.5 Disposal Do not dispose of equipment containing electrical components together with domestic waste. Collect it separately in accordance with local and currently valid legislation. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 7...

  • Page 8: Ce Declaration

    VLT® Compressor Drive CDS 803 Operating Guide Introduction 1.6 CE Declaration 8 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 9 VLT® Compressor Drive CDS 803 Operating Guide Introduction Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 9...

  • Page 10: Safety

    Disconnect the drive from the mains. Press [Off/Reset] on the LCP before programming parameters. Ensure that the drive is fully wired and assembled when it is connected to AC mains, DC supply, or load sharing. 10 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 11 An internal failure in the drive can result in serious injury when the drive is not properly closed. Ensure that all safety covers are in place and securely fastened before applying power. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 11...

  • Page 12: Installation

    3.1.2.2 Derating for Low Air Pressure and High Altitudes The cooling capability of air is decreased at low air pressure. For altitudes above 2000 m (6562 ft), contact Danfoss regarding PELV. Below 1000 m (3281 ft) altitude, derating is not necessary. For altitudes above 1000 m (3281 ft), decrease the ambient temperature or the maximum output current.

  • Page 13: Fuses And Circuit Breakers

    3.2.2 Fuses and Circuit Breakers Fuses and circuit breakers ensure that possible damage to the drive is limited to damage inside the unit. Danfoss recommends fuses on the supply side as protection. For further information, see the application note Fuses and Circuit Breakers found on www.dan-...

  • Page 14: Electrical Wiring

    Illustration 1: Basic Wiring Schematic Drawing N O T I C E There is no access to UDC- and UDC+ on the following units: IP20, 380–480 V, 30 kW (40 hp). 14 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 15: Terminal Overview Of Enclosure Sizes

    VLT® Compressor Drive CDS 803 Operating Guide Installation 3.2.3.2 Terminal Overview of Enclosure Sizes H3–H5 -DC +DC Illustration 2: Enclosure Sizes H3–H5 Mains Relays Ground Control terminals Compressor Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 15...

  • Page 16: Terminal Overview Of Enclosure Size H6

    Use a shielded/armored compressor cable to comply with the EMC emission specifications and connect this cable to both the decoupling plate and the compressor. Also see 3.2.5 EMC-compliant Electrical Installation. Connect the ground cable to the ground terminal, then connect the mains supply to terminals L1, L2, and L3. 16 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 17: Relay Terminals

    Relay 1 • Terminal 01: Common. • Terminal 02: Normally open. • Terminal 03: Normally closed. Relay 2 • Terminal 04: Common. • Terminal 05: Normally open. • Terminal 06: Normally closed. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 17...

  • Page 18: Control Terminals

    (terminal 53 or 54, and 55) make the drive run. The digital input mode of terminal 18, 19, 27, and 29 is set in parameter 5-00 Digital Input Mode (PNP is default value). 18 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 19: Setting Up Rs485 Serial Communication

    3.2.4.2 Configuring RS485 Serial Communication Procedure Connect RS485 serial communication wiring to terminals (P RS485) 68 and (N RS485) 69. Use shielded serial communication cable. Properly ground the wiring. Refer to 3.2.5 EMC-compliant Electrical Installation. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 19...

  • Page 20: Emc-Compliant Electrical Installation

    Failure to isolate power, motor, and control cables can result in unintended behavior or reduced performance. Use shielded cables for motor and control wiring. Provide a minimum 200 mm (7.9 in) separation between mains input, motor cables, and control cables. 20 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 21 There is a risk for overvoltage. Isolation between components and critical parts could be insufficient and may not comply with PELV requirements. Use external protective devices or galvanic isolation. For installations above 2000 m (6500 ft) altitude, contact Danfoss re- garding protective extra low voltage (PELV) compliance.
  • Page 22 VLT® Compressor Drive CDS 803 Operating Guide Installation - L C - IEC 60309 Illustration 8: Example of Proper EMC Installation 22 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 23 Brake resistor Mains supply Metal box Bare (unpainted) surface Connection to motor Star washers Motor Brake cable (shielded) EMC cable gland Motor cable (shielded) Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 23...

  • Page 24: Commissioning

    The LCD display is illuminated with 2 alphanumeric lines. Table 7 describes the information that can be read from the display. Table 7: Legend to Section A Parameter number and name. Parameter value. 24 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 25: Programming Via The Quick Menu

    Press either [Back] twice to enter Status, or press [Menu] once to enter Main Menu. 4.2.2 Programming via the Main Menu Procedure Press [Menu] until indicator in display is placed above Main Menu. Press [▵] [▿] to browse through the parameter groups. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 25...

  • Page 26: Data Transfer From Drive To Lcp

    Press [OK] to accept the change or press [Back] to go back to the previous level. 4.2.3 Data Transfer from Drive to LCP Once the setup of a drive is complete, Danfoss recommends storing the data in the LCP or on a PC via VLT® Motion Control Tool MCT 10.

  • Page 27: Two-Finger Initialization

    Adjust the speed reference throughout the speed range. Ensure that the system is working as intended by checking the sound and vibration levels of the compressor. Remove the external run command. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 27...

  • Page 28: Troubleshooting

    Alarms that are not trip-locked can also be reset using the automatic reset function in parameter 14-20 Reset Mode (Warning: auto- matic wake-up is possible!) Table 11 specifies whether a warning occurs before an alarm, or whether to show a warning or an alarm for a given fault. 28 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 29 Motor phase W is missing. Check the phase. For 6–10 kW drives: See parameter 4-58 Missing Motor Phase Function. Mains failure Supply voltage to the drive is lost. Internal fault Contact the local Danfoss supplier. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 29...
  • Page 30 Power to the drive has been on for a shorter time than speci- fied in parameter 28-01 Interval Between Starts twice. Stop delayed Stopping the motor has been delayed due to short cycle pro- tection being active. 30 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 31 Only applicable for 6–10 kW. Only applicable for 30 kW. For full specifications of warnings and alarms, refer to the VLT® Compressor Drives CDS 803 Programming Guide listed in 1.2 Addi- tional Resources. Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 31...

  • Page 32: Specifications

    Applies to dimensioning of drive cooling. If the switching frequency is higher than the default setting, the power losses may increase. LCP and typical control card power consumptions are included. For power loss data according to EN 50598-2, refer to Danfoss MyDrive®...

  • Page 33: Mains Supply (L1, L2, L3)

    Applies to dimensioning of drive cooling. If the switching frequency is higher than the default setting, the power losses may increase. LCP and typical control card power consumptions are included. For power loss data according to EN 50598-2, refer to Danfoss MyDrive®...

  • Page 34: Control Input/Output

    Terminals 42 and 45 can also be programmed as digital outputs. The analog outputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. 6.4.5 Digital Inputs Programmable digital inputs Terminal number 18, 19, 27, 29 34 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 35: Digital Outputs

    Mount a snubber circuit when connecting inductive loads to the relays. The relay outputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. 6.4.8 Relay Outputs, Enclosure Size H6 Programmable relay output Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 35...

  • Page 36: Rs485 Serial Communication

    Temperature during storage/transport -30 to +65/70 °C (-22 to +149/158°F) Maximum altitude above sea level without derating 1000 m (3281 ft) Maximum altitude above sea level with derating 3000 m (9843 ft) 36 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 37: Conforming Standards

    Switching frequency factory setting. • Switching pattern factory setting. • For power loss data according to EN 50598-2, refer to Danfoss MyDrive® ecoSmart website. N O T I C E The VLT® Compressor Drive CDS 803 with SXXX in the type code is certified against UL 508C. Example: CDS803P7K5T4E20H4XXCXXXSXXXXAXBXCXXXXDX The VLT®...

  • Page 38: Shipping Dimensions

    30 (40) IP20 24.5 (54.0) 850 (33.5) 370 (15.6) 460 (18.1) 6.10 Accessories and Spare Parts Refer to the VLT® Compressor Drive CDS 803 Design Guide listed in 1.2 Additional Resources. 38 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...

  • Page 39: Appendix

    Rated output current supplied by the drive VLT,N Kilogram Kilohertz Kilowatt Local control panel Meter Milliampere Motion Control Tool Newton meter Synchronous motor speed Nominal motor power PELV Protective extra low voltage Revolutions per minute Second Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570 | 39...
  • Page 40 Parameter name. Parameter option. Parameter group name. Alarms/warnings. • All dimensions in drawings are in metric values (imperial values in brackets). • An asterisk (*) indicates the default setting of a parameter. 40 | Danfoss A/S © 2021.06 AQ321748767627en-000301 / 130R0570...
  • Page 41 Indicator light..................25, 25 Input current Maximum input current..............32,33 Terminal overview..................18 Installation Transport......................36 Qualified personnel................10 True power factor..................33 Start up....................27 Vibration....................28, 37 Leakage current.................... 11 VLT® Motion Control Tool MCT 10............. 6, 24 Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570 | 41...
  • Page 42 VLT® Compressor Drive CDS 803 Operating Guide Index Voltage Warnings, overview..................29 Safety warning..................10 Website.......................6 Wiring schematic..................14 Warnings......................28 42 | Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570...
  • Page 43 The digital inputs can be used for controlling various functions of the drive. Digital outputs The drive features 2 solid-state outputs that can supply a 24 V DC (maxi- mum 40 mA) signal. Motor frequency. Rated motor frequency (nameplate data). Maximum compressor frequency. Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570 | 43...
  • Page 44 The DC coils in the drive produce a high-power factor, which minimizes the imposed load on the mains supply. Preset reference A defined preset reference to be set from -100% to +100% of the reference range. Selection of 8 preset references via the digital terminals. 44 | Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570...
  • Page 45 Do not use the trip lock state for personal safety. Instant motor voltage. Rated motor voltage (nameplate data). VT characteristics Variable torque characteristics used for pumps and fans. Danfoss A/S © 2021.06 AQ321748767627en-000301/130R0570 | 45...
  • Page 46 Danfoss can accept no responsibility for possible errors in catalogs, brochures, and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.

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