1. Manuals
  2. Brands
  3. Danfoss Manuals
  4. Controller
  5. VLT HVAC
  6. Operating instructions manual

Danfoss VLT HVAC Operating Instructions Manual

Hide thumbs Also See for VLT HVAC:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Programming Manual, Operating Instructions Manual
MAKING MODERN LIVING POSSIBLE
Operating Instructions
®
VLT
HVAC Drive

Advertisement

Table of Contents
loading

Related Manuals for Danfoss VLT HVAC

Summary of Contents for Danfoss VLT HVAC

  • Page 1 MAKING MODERN LIVING POSSIBLE Operating Instructions ® HVAC Drive...
  • Page 2 The amount of wait time is listed in the Discharge Time table. Failure to wait the specified time after power has been removed before doing service or repair could result in death or serious injury. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 3 ® Safety HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 4: Table Of Contents

    2.4.5.9 Mechanical Brake Control 2.4.6 Serial Communication 3 Start Up and Functional Testing 3.1 Pre-start 3.1.1 Safety Inspection 3.2 Applying Power to the Frequency Converter 3.3 Basic Operational Programming 3.4 PM Motor Setup ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 5 6.2 Application Examples 7 Status Messages 7.1 Status Display 7.2 Status Message Definitions Table 8 Warnings and Alarms 8.1 System Monitoring 8.2 Warning and Alarm Types 8.3 Warning and Alarm Displays ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 6 10.2 General Technical Data 10.3 Fuse Tables 10.3.1 Branch Circuit Protection Fuses 10.3.2 UL and cUL Branch Circuit Protection Fuses 10.3.3 Substitute Fuses for 240 V 10.4 Connection Tightening Torques Index ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 7: Introduction

    Decoupling plate 16 Serial bus terminal switch Grounding clamp (PE) 17 Digital I/O and 24 V power supply Shielded cable grounding clamp and strain relief 18 Control cable cover plate Table 1.1 ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 8 Serial bus terminal switch Motor output terminals 96 (U), 97 (V), 98 (W) Analog switches (A53), (A54) Mains input terminals 91 (L1), 92 (L2), 93 (L3) Relay 1 (01, 02, 03) Table 1.2 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 9: Purpose Of The Manual

    • Optional equipment is available that may change some of the procedures described. Reference the instructions supplied with those options for specific requirements.Contact the local Danfoss supplier or go to http://www.danfoss.com/ Products/Literature/Technical+Documentation.htm for downloads or additional information. Illustration 1.3 Frequency Converter Block Diagram ®...
  • Page 10 • User interface and external commands are monitored and performed • Status output and control can be provided Table 1.3 Frequency Converter Internal Components ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 11: Frame Sizes And Power Ratings

    0.37-4.0 1.1-7.5 11-18.5 22-30 11-18.5 22-37 37-55 75-90 45-55 75-90 525-600 1.1-7.5 1.1-7.5 11-18.5 22-30 11-18.5 22-37 37-55 75-90 45-55 75-90 525-690 11-30 37-90 Table 1.4 Frames Sizes and Power Ratings ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 12: Installation

    C2, C4 power must match for proper overload a/b [mm] protection Table 2.1 Minimum Airflow Clearance Requirements If frequency converter rating is less than motor, full motor output cannot be achieved ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 13: Lifting

    Use the slotted mounting holes on the unit for wall mounting, when provided Illustration 2.2 Proper Mounting with Back Plate Item A is a back plate properly installed for required airflow to cool the unit. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 14: Electrical Installation

    24V (NPN) (COM RS-485) 61 33 (D IN) 0V (PNP) (PNP) = Source (NPN) = Sink 37 (D IN) Illustration 2.4 Basic Wiring Schematic Drawing * Terminal 37 is an option ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 15 Motor, 3-phase and PE Output contactor (Generally not recommended) Mains, 3-phase and reinforced PE Earth (grounding) rail (PE) Control wiring Cable insulation (stripped) Equalising min. 16 mm (0.025 in) Table 2.2 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 16: Requirements

    See Illustration 2.6. • Danfoss recommends that all power connections be made with a minimum 75° C rated copper wire. • See 10.1 Power-dependent Specifications for recommended wire sizes.

  • Page 17: Earth (Grounding) Requirements

    RFI filtering, screened motor cables, and frequency converter power. EN/IEC61800-5-1 (Power Drive System Product Standard) requires special care if the leakage current exceeds 3.5 mA. Earth grounding must be reinforced in one of the following ways: ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 18: Motor Connection

    Actual configurations vary with unit types and optional Illustration 2.10 Motor, Mains and Earth Wiring for B-Frame Sizes equipment. and Above Using Shielded Cable ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 19: Ac Mains Connection

    Illustration 2.13 Control Wiring Access for A2, A3, B3, B4, C3 and C4 Enclosures Illustration 2.12 Connecting to AC Mains ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 20: Control Terminal Types

    • Some options available for ordering with the unit may provide additional terminals. See the manual provided with the equipment option. See 10.2 General Technical Data for terminal ratings details. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 21: Wiring To Control Terminals

    See 10.1 Power-dependent Specifications for control terminal input wiring sizes. Serial Communication See 6 Application Set-Up Examples for typical control wiring Integrated RC-Filter for connections. cable screen. ONLY for connecting the screen when experiencing EMC problems. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 22: Using Screened Control Cables

    27 • No signal present prevents the unit from operating • When the status line at the bottom of the LCP reads AUTO REMOTE COASTING or Alarm 60 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 23: Terminal 53 And 54 Switches

    The frequency converter is available with optional safe safety device must be short circuit protected stop functionality via control terminal 37. Safe stop according to ISO 13849-2 table D.4 disables the control voltage of the power semiconductors ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 24 37 (safe stop) and either terminal 12 or 13 (24 V DC). The Safety monitoring relay must comply with Category 3 (EN 954-1) / PL “d” (ISO 13849-1). ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 25 Safe Stop Commissioning Test After installation and before first operation, perform a commissioning test of the installation making use of safe stop. Moreover, perform the test after each modification of the installation. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 26: Mechanical Brake Control

    Cable: Screened twisted pair (STP) Impedance: 120 Ω Cable length: Max. 1200 m (including drop lines) Max. 500 m station-to-station Table 2.6 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 27: Start Up And Functional Testing

    These values are needed to program motor nameplate data later. Confirm that the supply voltage matches voltage of frequency converter and motor. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 28 • Vibration Check that the unit is mounted solidly or that shock mounts are used, as necessary. • Check for an unusual amount of vibration. Table 3.1 Start Up Check List ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 29: Applying Power To The Frequency Converter

    American Default Parameter Settings for a checkout purposes. Application settings may vary. See complete list.) 4 User Interface for detailed instructions on entering data through the LCP. Press [Quick Menu] on the LCP. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 30: Jumper Terminals 12 And

    For 1 - 21 Motor Power [kW] programming resistance and d-axis inductance values in Danfoss frequency converters, always use line to common (starpoint) values. This is valid for both asynchronous and PM motors. Illustration 3.5 Par.

  • Page 31: Automatic Motor Adaptation

    ] to full speed. Moving the cursor left of the The test will run automatically and indicate when decimal point provides quicker input changes. it is complete. Note any acceleration problems. Press [Off]. Note any deceleration problems. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 32: System Start Up

    It is the responsibility of the user to ensure safe operation under any condition. Failure to do so could result in personal injury or equipment damage. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 33: User Interface

    Navigation keys for programming functions, moving the display cursor, and speed control in local operation. Also included are the status indicator lights. Operational mode keys and reset. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 34: Setting Lcp Display Values

    Auto Remote Running • For details about the frequency converter before it entered the alarm mode, select the alarm number using the navigation keys and press [OK]. Illustration 4.3 Table 4.2 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 35: Navigation Keys

    ALARM A fault condition causes the red stored in the LCP memory alarm light to flash and an alarm text is displayed. Table 4.4 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 36: Uploading Data To The Lcp

    Initialisation can be through 14-22 Operation Mode or manually. • Initialisation using 14-22 Operation Mode does not change frequency converter data such as operating hours, serial communication selections, ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 37: About Frequency Converter Programming

    [OK] after each action. Voltage 3-15 Reference Resource 1 0.00 V 14.7% 0.00A 1(1) Illustration 5.4 References 5-1* 3-15 Reference Resource [1]] Analog input 53 Illustration 5.1 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 38: Control Terminal Programming Examples

    4-** Limits / Warnings indicating the procedure is complete. 5-** Digital In/Out Illustration 5.9 Illustration 5.8 shows the wiring connections used to enable this set up. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 39: International/North American Default Parameter Settings

    Q6 Loggings Frequency 3-03 Maximum 50 Hz 60 Hz Illustration 5.12 Reference 3-04 Reference External/Preset Function 4-13 Motor Speed 1500 RPM 1800 RPM High Limit [RPM] See Note 3 and 5 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 40: Parameter Menu Structure

    • Press and hold [Main Menu] to enter a parameter number for direct access to that parameter • Details for common application set ups are provided in 6 Application Set-Up Examples ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 41: Quick Menu Structure

    ® About Frequency Converter P... HVAC Drive Operating Instructions 5.5.1 Quick Menu Structure ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 42 ® About Frequency Converter P... HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 43: Main Menu Structure

    ® About Frequency Converter P... HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 44 ® About Frequency Converter P... HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 45 ® About Frequency Converter P... HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 46 ® About Frequency Converter P... HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 47: Remote Programming With Mct 10 Set-Up Software

    HVAC Drive Operating Instructions 5.6 Remote Programming with MCT 10 Set- up Software Danfoss has a software program available for developing, storing, and transferring frequency converter programming. The MCT 10 Set-up Software allows the user to connect a PC to the frequency converter and perform live programming rather than using the LCP.

  • Page 48: Application Set-Up Examples

    +10 V * = Default Value A IN Notes/comments: A IN A OUT -10 - +10V Table 6.1 AMA with T27 Connected U - I Table 6.3 Analog Speed Reference (Voltage) ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 49 [0] No operation, a jumper wire to terminal 27 is A IN not needed. A IN A OUT Latched Start (18) Stop Inverse (27) Illustration 6.2 Table 6.5 Start/Stop Command with Safe Stop ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 50 D IN +10 V D IN A IN D IN A IN +10 V A OUT A IN A IN A OUT Table 6.8 External Alarm Reset Table 6.10 Speed Up/Down ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 51 D IN +10 V A IN A IN A OUT RS-485 Table 6.11 RS-485 Network Connection CAUTION Thermistors must use reinforced or double insulation to meet PELV insulation requirements. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 52 5 sec. then the drive continues and the warning disappears. But Relay 1 will still be triggered until [Reset] on the LCP. Table 6.13 Using SLC to Set a Relay ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 53: Status Messages

    2-12 Brake Power Limit (kW) has been reached. • Coast Coast inverse was selected as a function for a digital input (parameter group 5-1*). The corresponding terminal is not connected. • Coast activated by serial communication ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 54 Speed Up and Ref. high The sum of all active references is above the Speed Down. reference limit set in 4-55 Warning Reference High. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 55 Once the cause of the alarm is cleared, power must be cycled to the frequency converter. The frequency converter can then be reset manually by pressing [Reset] or remotely by control terminals or serial communication. Table 7.3 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 56: Warnings And Alarms

    This Illustration 8.3 action puts the frequency converter into a trip condition as described above and may be reset in any of those 4 ways. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 57: Warning And Alarm Definitions

    Internal fault Heatsink sensor Overload of Digital Output Terminal 27 5-00 Digital I/O Mode, 5-01 Terminal 27 Mode Overload of Digital Output Terminal 29 5-00 Digital I/O Mode, 5-02 Terminal 29 Mode ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 58 Clock Fault 0-7* Fire M was Active Fire M Limits Exceeded Missing Motor Locked Rotor Brake IGBT Heatsink temp Heatsink sensor Pwr.card supply Pwr.card temp Illegal PS config New spare parts ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 59 The limit is dependent on the the counter should increase. When running below frequency converter voltage rating. The unit is still active. the frequency converter continuous current rating, the counter should decrease. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 60 There is short-circuiting in the motor or motor wiring. If the generator torque limit is exceeded during ramp down, extend the ramp down time. Remove power to the frequency converter and repair the short circuit. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 61 Current. The warning is active when the dissipated braking working. is higher than 90% of the brake resistance power. If Trip [2] is selected in 2-13 Brake Power Monitoring, the frequency ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 62 Check for loose or missing wiring For X30/6, check the load connected to X30/6 or remove It may be necessary to contact your Danfoss supplier or the short-circuit connection. Check 5-32 Term X30/6 Digi service department. Note the code number for further Out (MCB 101).
  • Page 63 Check the control card ALARM 50, AMA calibration failed WARNING 66, Heatsink temperature low Contact your Danfoss supplier or Danfoss Service The frequency converter is too cold to operate. This Department. warning is based on the temperature sensor in the IGBT module.
  • Page 64 Reset the frequency converter for normal operation. WARNING 251, New typecode The power card or other components have been replaced and the typecode changed. Reset to remove the warning and resume normal operation. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 65: Basic Troubleshooting

    3-13 Reference Site. Set preset reference active? Terminal reference active in parameter connection correct? Scaling of group 3-1* References. Check for terminals correct? Reference signal correct wiring. Check scaling of available? terminals. Check reference signal. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 66 Rotate output motor leads one If imbalance leg stays on same converters position: U to V, V to W, W to U. output terminal, it is a problem with the unit. Contact the supplier. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 67 Change switching pattern and acceptable limit. certain frequencies) frequency in parameter group 14-0*. Increase Resonance Dampening in 1-64 Resonance Dampening. Table 9.1 ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 68: Specifications

    9.7/13.5 9.7/13.5 9.7/13.5 13.5 13.5 (A4/A5) Weight enclosure IP66 [kg] 9.7/13.5 9.7/13.5 9.7/13.5 13.5 13.5 (A4/A5) Efficiency 0.96 0.96 0.96 0.96 0.96 Table 10.1 Mains Supply 200 - 240 V AC ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 69 ® Specifications HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 70 ® Specifications HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 71 ® Specifications HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 72 ® Specifications HVAC Drive Operating Instructions ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 73 ® Specifications HVAC Drive Operating Instructions 10.1.1 Mains Supply 3 x 525 - 690V AC ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 74: General Technical Data

    Maximum cross section to control terminals, flexible wire with cable end sleeves with collar 0.5 mm /20 AWG Minimum cross section to control terminals 0.25 mm / 24AWG For power cables, see electrical data tables. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 75 Accuracy of analog inputs Max. error 0.5% of full scale Bandwidth : 20 Hz/ : 100 Hz The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 76 Maximum output frequency at frequency output 32 kHz Accuracy of frequency output Max. error: 0.1 % of full scale Resolution of frequency outputs 12 bit Terminal 27 and 29 can also be programmed as input. ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 77 ≤ 3.7 kW (200 - 240 V), ≤ 7.5 kW (400 - 480/ 500 V) Only for ≤ 3.7 kW (200 - 240 V), ≤ 7.5 kW (400 - 480/ 500 V) As enclosure kit for ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 78 As a response to a critical level, the frequency converter can adjust the switching frequency and/ or change the switching pattern in order to ensure the performance of the frequency converter. ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 79: Fuse Tables

    160A 380-500 type aR 250A 380-500 type aR 250A 1) Max. fuses - see national/international regulations for selecting an applicable fuse size. Table 10.7 EN50178 fuses 200 V to 480 V ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 80: Ul And Cul Branch Circuit Protection Fuses

    JJS-150 2028220-125 KLS-R125 A6K-125R KTS-R150 JKS-150 JJS-150 2028220-160 KLS-R150 A6K-150R FWH-220 2028220-200 L50S-225 A50-P225 FWH-250 2028220-250 L50S-250 A50-P250 Table 10.8 UL fuses, 200 - 240 V and 380 - 600 V ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 81: Substitute Fuses For 240

    37 - 45 30 - 37 55 - 75 55 - 75 14/24 14/24 Table 10.10 Tightening of Terminals For different cable dimensions x/y, where x ≤ 95mm and y ≥ 95mm ® MG11AH02 - VLT is a registered Danfoss trademark...

  • Page 82: Index

    Commands..................7, 50 Conduit..................13, 25, 16 Controllers..................... 6 Interlock..................19, 36 Voltage....................34 Fault Log................... 31, 33 Feedback..............20, 25, 59, 51, 61 Floating Delta..................16 Full Load Current................9, 24 ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 83 Programming... 6, 19, 29, 31, 33, 36, 37, 44, 56, 26, 30, 32, 34 Mains Example....................34 Mains....................13 Protection And Features..............75 Supply..................65, 69, 70 Pulse/Encoder Inputs................73 Supply (L1, L2, L3)................71 Voltage................... 31, 32, 51 ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 84 Start Up................6, 33, 34, 24, 62 Status Messages..................... 50 Mode..................... 50 Stop Command..................51 Supply Voltage..............16, 17, 24, 59 Surroundings..................74 Switching Frequency................51 Symbols...................... 1 System Feedback....................6 Monitoring..................53 Start Up....................29 ® MG11AH02 - VLT is a registered Danfoss trademark...
  • Page 85 130R0083 MG11AH02 Rev. 2012-03-12 *MG11AH02*...

Table of Contents