Danfoss VLT HVAC Basic Drive FC 100 Series Design Manual
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Danfoss VLT HVAC Basic Drive FC 100 Series Design Manual

Danfoss VLT HVAC Basic Drive FC 100 Series Design Manual

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MAKING MODERN LIVING POSSIBLE
Design Guide
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VLT
HVAC Basic Drive

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Summary of Contents for Danfoss VLT HVAC Basic Drive FC 100 Series

  • Page 1 MAKING MODERN LIVING POSSIBLE Design Guide ® HVAC Basic Drive...

  • Page 2: Table Of Contents

    5.2.3 Connecting to Mains and Motor 5.2.4 Fuses 5.2.5 EMC-Correct Electrical Installation 5.2.6 Control Terminals 6 How to Programme 6.1 Programming with MCT 10 Set-up Software 6.2 Local Control Panel (LCP) ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 3 7.6 Modbus RTU Overview 7.8 Modbus RTU Message Framing Structure 7.9 How to Access Parameters 7.10 Examples 7.11 Danfoss FC Control Profile 8 General Specifications and Troubleshooting 8.1 Mains Supply Tables 8.1.1 Mains Supply 3 x 200-240V AC 8.1.2 Mains Supply 3 x 380-480VAC 8.1.3 Mains Supply 3 x 380-480VAC...

  • Page 4: How To Read This Design Guide

    In no event shall Danfoss be liable for direct, indirect, special, incidental, or consequential damages arising out of the use, or the inability to use information contained in this manual, even if advised of the possibility of such damages.

  • Page 5: Symbols

    HVAC fans and pumps. Frequency Converter Gram x = Revision number yy = Language code Hertz Kilohertz Local Control Panel Danfoss technical literature is available in print from your local Danfoss Sales Office or online at: Meter www.danfoss.com/BusinessAreas/DrivesSolutions/Documen- Millihenry Inductance tations/Technical+Documentation.htm Milliampere Millisecond 1.1.3 Symbols...

  • Page 6: Definitions

    A defined preset reference to be set from -100% to +100% The rated motor current (nameplate data). of the reference range. Selection of eight preset references via the digital terminals. The rated motor speed (nameplate data). ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 7 The operation can be either periodic duty or none- activating reset or, in some cases, by being programmed periodic duty. to reset automatically. Trip may not be used for personal safety. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 8 In addition, a high power factor indicates that the different harmonic currents are low. The frequency converters' built-in DC coils produce a high power factor, which minimizes the imposed load on the mains supply. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 9: Introduction To Vlt Hvac Basic Drive

    Introduction to VLT HVAC Ba... VLT HVAC Basic Drive Design Guide 2 Introduction to VLT HVAC Basic Drive Installation at high altitudes CAUTION 2.1 Safety At altitudes above 2km, please contact Danfoss regarding 2.1.1 Safety Note PELV. WARNING WARNING DANGEROUS VOLTAGE...

  • Page 10: Ce Labelling

    50 - 1000V AC and the 75 - 1500V DC voltage components or by testing the EMC of the system. ranges. Danfoss CE-labels in accordance with the directive If he chooses to use only CE labelled and issues a declaration of conformity upon request.

  • Page 11: Aggressive Environments

    As an aid to the installer, Danfoss has prepared EMC installation guidelines for the Power Drive Before installing the frequency converter, check the system.
  • Page 12 = Rated flow = Rated power = Reduced flow = Reduced power H = Pressure n = Speed regulation = Rated pressure = Rated speed = Reduced = Reduced speed pressure ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 13 Costlier installation Illustration 2.4 The Three Common Energy Saving Systems 2.5.4 Comparison of Energy Savings The Danfoss frequency converter solution offers major savings compared with traditional energy saving solutions. This is because the frequency converter is able to control Discharge Damper Solution...
  • Page 14 1050rpm 750rpm As illustrated in the figure below, a frequency converter does not consume more than rated current. (kW) shaft 1650rpm 1350rpm 1050rpm 750rpm 12,5 37,5 50Hz Full load & speed ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 15 Pump actuator Local Main D.D.C. B.M.S control Starter Starter Starter Control Fuses Fuses Temperature control signal Pressure supply supply 0/10V control Power P.F.C P.F.C signal Factor 0/10V Correction Mains Mains Mains ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 16 The next few pages provide typical examples of applications within HVAC. If you would like to receive further information about a given application, please ask your Danfoss supplier for an information sheet that gives a full description of the application. The following application notes can be downloaded from the Danfoss web page, www.VLT-literature.com.
  • Page 17 The PI controller of the VLT HVAC Basic Drive can be used to eliminate the need for additional controllers. Pressure signal Frequency Cooling coil Heating coil converter VAV boxes Filter Supply fan Pressure transmitter Flow Frequency converter Return fan Flow ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 18 Several features of the Danfoss HVAC dedicated frequency converter can be utilized to improve the performance of your CAV system. One concern of controlling a ventilation system is poor air quality. The programmable minimum frequency can be set to maintain a minimum amount of supply air regardless of the feedback or reference signal.
  • Page 19 The frequency converters can also be used to turn the fan on and off as needed. Several features of the Danfoss HVAC dedicated frequency converter, the HVAC frequency converter can be utilized to improve the performance of your cooling tower fans application. As the cooling tower fans drop below a certain speed, the effect the fan has on cooling the water becomes small.
  • Page 20 This can amount to savings of 15-20% or more. Trimming the pump impeller is irreversible, thus if the conditions change and higher flow is required the impeller must be replaced. Frequency converter Water Inlet Flow or pressure sensor BASIN Water Outlet Throttling valve Condenser Water pump Supply ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 21 This situation is common in large installations especially when two or more chillers in parallel are installed if primary/ secondary pumping is not utilized. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 22 In the event the flow rate needs to be increased later in the systems life, the frequency converter can simply increase the pump speed instead of requiring a new pump impeller. Flowmeter Flowmeter Frequency converter Frequency converter ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 23 Please note that when running multiple pumps in parallel, they must run at the same speed to maximize energy savings, either with individual dedicated drives or one frequency converter running multiple pumps in parallel. Frequency converter Frequency converter ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 24: Control Structures

    8-5* (serial communication). Hand Off Auto Reset Local reference will force the configuration mode to open loop, independent on the setting of 1-00 Configuration Mode. Local Reference will be restored at power-down. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 25 Since the square root of pressure is proportional to flow, the square root of the pressure signal yields a value proportional to the flow. This is shown below. Ref. signal Ref. P 20-01 P 20-07 Desired FB conversion flow Flow Flow signal ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 26 Introduction to VLT HVAC Ba... VLT HVAC Basic Drive Design Guide 2.6.5 Reference Handling Details for Open Loop and Closed Loop operation. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 27 Introduction to VLT HVAC Ba... VLT HVAC Basic Drive Design Guide ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 28 Y is 3-14 Preset Relative Reference in [%]. If Y, 3-14 Preset Relative Reference is set to 0%, the reference will not be affected by the scaling. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 29 This means that AMA can not be performed if there is no 24V to terminal 1-29 Automatic Motor Adaption 27 so please connect terminal 12 to terminal 27. Enable ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 30 In many cases, its performance may be acceptable using the default values of 20-93 PI Proportional Gain and 20-94 PI Integral Time. However, in some cases it may be helpful to optimize these parameter values to provide faster system response while still controlling speed overshoot. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 31: General Aspects Of Emc

    If the screen is to be placed on a mounting plate for the frequency converter, the mounting plate must be made of metal, because the screen currents have to be conveyed back to the unit. Moreover, ensure good electrical contact from the mounting plate through the mounting screws to the frequency converter chassis. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 32 EN/IEC 61000-6-3 Emission standard for residential, commercial Class B (home and office) and light industrial environments. Second environment EN/IEC 61000-6-4 Emission standard for industrial environments. Class A Group 1 (industrial environment) ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 33: Emc Test Results

    0.37-22kW 3x380-480V IP20 H2 RFI filter (Class A2) 1.5-45kW 3x200-240V IP20 30-90kW 3x380-480V IP20 22-90kW 3x380-480V IP54 H3 RFI filter (Class A1/B) 1.5-45kW 3x200-240V IP20 30-90kW 3x380-480V IP20 22-90kW 3x380-480V IP54 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 34 Limit for R Harmonic current distortion factor (%) PWHD Actual 30-90kW, 40.6 28.8 380-480V (typical) ≥120 Limit for R Provided that the short-circuit power of the supply S greater than or equal to: ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 35: Galvanic Isolation (Pelv)

    CAUTION home and office environment with a large safety margin. Installation at high altitude: 2.8 Galvanic Isolation (PELV) At altitudes above 2km, please contact Danfoss regarding PELV. 2.8.1 PELV - Protective Extra Low Voltage 2.9 Earth Leakage Current PELV offers protection by way of extra low voltage.

  • Page 36: Extreme Running Conditions

    See also Application Note Protection against Electrical Hazards MN.90.G2.02. This is the way Danfoss protects the motor from being Protective earthing of the frequency converter and the use overheated. It is an electronic feature that simulates a of RCDs must always follow national and local regulations.
  • Page 37 If the motor is overloaded without reaching the temperature where the ETR shuts of the motor. <800 Ω >2.9 kΩ ETR is activated in 1-90 Motor Thermal Protection. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 38: Vlt Hvac Basic Drive Selection

    Tighten screws and connect cable female side to LCP. Warn Warn Alarm Alarm Auto Auto Hand Hand Reset Reset Step 2 Place LCP on panel, see dimensions of hole on illustration. Step 4 Connect cable to frequency converter. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 39 VLT HVAC Basic Drive Select... VLT HVAC Basic Drive Design Guide NOTE Use the provided thread cutting screws to fasten connector to the frequency converter, Tightening torque 1.3Nm. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 40 20-25Hp 40-60Hp 30-40Hp IP20 22-30kW/ 55-75kW/ 45-55kW/ 132B0218 132B0218 30-40Hp 100-120Hp 60-100Hp IP20 37-45kW/ 90kW/ 75-90kW/ 132B0219 132B0219 50-60Hp 125Hp 120-125Hp IP20 2.2-7.5kW/ 132B0220 132B0220 3-10Hp IP20 11-15kW/ 132B0221 132B0221 15-20Hp ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 41: Decoupling Plate

    22-30kW/30-40Hp 132B0207 IP20 37-45kW/50-60Hp 132B0242 IP20 22-30kW/30-40Hp 55kW/75Hp 45-55kW/60-100Hp 132B0208 IP20 75kW/100Hp 132B0243 IP20 37-45kW/50-60Hp 90kW/125Hp 75-90kW/120-125Hp 132B0209 Note: For H9, H10 Drive, the decoupling plates are included in accessory bag. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 42: How To Order

    The Drive Configurator will automatically generate an eight-digit sales number to be delivered to your local sales office. Furthermore, a project list with several products can be established and sent it Danfoss sales representative. The Drive Configurator can be found on the global Internet site: www.danfoss.com/drives.

  • Page 43: Type Code String

    C0 options MCO 33-34 CX: No C options C1 options X: No C1 options C option software 36-37 XX: No options D options 38-39 DX: No D0 options Table 4.1 Type Code Descriptions ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 44 How to Order VLT HVAC Basic Drive Design Guide 4.2.1 Ordering Numbers: Options and Accessories ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 45 270 50 85 240 255 30 5.4 1 10.6 M5 25 40 1.9 - 2.2Nm 1.2kg 132B0246 18.5-22kW FN3258-42-47 310 50 85 280 295 30 5.4 1 10.6 M5 25 40 1.9 - 2.2Nm 1.4kg 132B0247 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 46: How To Install

    How to Install VLT HVAC Basic Drive Design Guide 5 How to Install ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 47: Side-By-Side Installation

    22-30kW/30-40Hp 55-75kW/100-120Hp 45-55kW/60-100Hp 200/7.9 IP20 37-45kW/50-60Hp 90kW/125Hp 75-90kW/120-125Hp 225/8.9 IP20 2.2-7.5kW/3-10Hp 100/4 IP20 11-15kW/15-20Hp 200/7.9 NOTE With IP21/Nema Type1 option kit mounted, a distance of 50mm between the units is required. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 48: Electrical Data

    Do not connect shield to (Com RS-485 ) 61 61 on 116,117 and 118 unites (PNP)-Source (NPN)-Sink NOTE Please note there is no access to UDC- and UDC+ on the following units: IP20 380-480V 30-90kW ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 49: Electrical Installation In General

    Earth Relay terminals IP20 2.2-7.5 recommended IP20 11-15 recommended IP20 22-30 IP20 45-55 IP20 75-90 14/24 14/24 Table 5.2 Details of Tightening Torques Cable dimensions ≤ 95mm Cable dimensions > 95mm ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 50: Connecting To Mains And Motor

    -DC +DC Mount the earth wires to earth terminal. Connect motor to terminals U, V and W. Mount mains supply to terminals L1, L2 and L3 and tighten. Line Earth Motor Relays ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 51: Fuses

    Short circuit protection Danfoss recommends using the fuses mentioned in the following tables to protect service personnel or other equipment in case of an internal failure in the unit or short-circuit on DC-link.

  • Page 52: Emc-Correct Electrical Installation

    VLT HVAC Basic Drive Design Guide 5.2.5 EMC-Correct Electrical Installation Non UL compliance If UL/cUL is not to be complied with, Danfoss recommends using the fuses mentioned in the below table, which will General points to be observed to ensure EMC-correct ensure compliance with IEC 61800-5-1: electrical installation.
  • Page 53 Motor, 3 phases and Reinforced protective earth Protective earth Illustration 5.1 EMC-correct Electrical Installation For North America use metal conduits instead of shielded cables. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 54: Control Terminals

    Digital input 18, 19 and 27 mode is set in 5-00 Digital Input Mode (PNP is default value) and digital input 29 mode is set in 5-03 Digital Input 29 Mode (PNP is default value). ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 55: How To Programme

    (factory setting). When Software. This software can either be ordered using code active and edit set-up differ, both numbers are shown in number 130B1000 or downloaded from the Danfoss Web the display (Setup 12). The number flashing, indicates the site: http://www.danfoss.com/BusinessAreas/DrivesSo- edit set-up.

  • Page 56: Menus

    VLT HVAC Basic Drive functions can be Setup 1 programmed here: The [Quick Menu] consists of: • Wizard for open loop applications • Closed loop set-up wizard • Motor set-up • Changes made ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 57 Auto Motor Tuning OK AMA running AMA Failed Press OK to accept Press OK ----- Setup 1 Setup 1 Setup 1 0.0 Hz 0.0 kW Setup 1 AMA failed AMA OK ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 58 6-13 Terminal 53 High 0-20mA Enter the current that corresponds to the high Current reference value 3-02 Minimum Reference -4999-4999 The minimum reference is the lowest value obtainable by summing all references ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 59 See 5-40 Function Relay Drive running Select the function to control output relay 2 Function relay 1-29 Automatic Motor See 1-29 Automatic Motor Adaption Performing an AMA optimizes motor performance Adaption (AMA) (AMA) ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 60 This means that AMA can not be performed if there is no 24V to terminal 1-29 Automatic Motor Adaption 27 so please connect terminal 12 to terminal 27. Enable ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 61 An excessively long integral time disables the integral action. 1-29 Automatic Motor Adaption Performing an AMA optimizes motor performance (AMA) ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 62: Main Menu

    ] to browse through the parameters in the specific group. Press [OK] to select the parameter. ▲ ▼ Use [ ] to set/change the parameter value. [BACK] is used to go one level back. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 63: Quick Transfer Of Parameter Settings Between Multiple Frequency Converters

    Default Settings in two Ways Once the set-up of a frequency converter is complete, Recommended initialisation (via 14-22 Operation Mode) Danfoss recommends that you store the data in the LCP or on a PC via MCT 10 Set-up Software tool. Select 14-22 Operation Mode.
  • Page 64 15-00 Operating Hours 15-03 Power Up's 15-04 Over Temp's 15-05 Over Volt's 15-4* Drive identification parameters Initialisation of parameters is confirmed by AL80 in the display after the power cycle. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 65: Rs-485 Installation And Set-Up

    69 (N-) on the main control board of the frequency converter. Connect the cable screen to the cable clamps. NOTE Screened, twisted-pair cables are recommended in order to reduce noise between conductors. 61 68 69 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 66: Fc Protocol Overview

    The following parameters apply to the RS-485 interface The FC protocol, also referred to as FC bus or Standard (FC-port): bus, is the Danfoss standard fieldbus. It defines an access technique according to the master-slave principle for communications via a serial bus.

  • Page 67: Network Configuration

    7.4.6 The Data Field The structure of data blocks depends on the type of . There are three types, and the type applies for both control telegrams (master=>slave) and response telegrams (slave=>master). ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 68 Command cannot be performed text transferred If the command cannot be performed, the slave sends this response: 0111 Command cannot be performed ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 69 When a slave responds to a parameter request (read command), the present parameter value in the PWE block is transferred and returned to the master. If a parameter ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 70: Examples

    IND = 0000 Hex 7.6.1 Assumptions PWEHIGH = 0000 Hex PWELOW = 03E8 Hex Danfoss assumes that the installed controller supports the Data value 1000, corresponding to 100Hz, see interfaces in this document, and strictly observe all 7.3.12 Conversion. requirements and limitations stipulated in the controller and frequency converter.

  • Page 71: Modbus Rtu Message Framing Structure

    Reset after a fault trip This allows receiving devices to begin at the start of the • Run at a variety of preset speeds message, read the address portion, determine which ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 72 Coils hold a single bit, whereas holding registers hold a 2-byte word (i.e. 16 bits). All data addresses in Modbus messages are referenced to zero. The first occurrence of a data item is addressed as item number ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 73 Data not valid Data valid Relay 1 off Relay 1 on Relay 2 off Relay 2 on Set up LSB No reversing Reversing Table 7.1 Frequency Converter Control Word (FC Profile) ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 74 * Used to specify the index number to be used when accessing an indexed parameter. 7.8.9 How to Control the Frequency Converter This section describes codes which can be used in the function and data fields of a Modbus RTU message. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 75: How To Access Parameters

    20 characters. If a read request for a parameter is for more characters than the parameter stores, the response is truncated. If the read request for a parameter is for fewer characters than the parameter stores, the response is space filled. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 76: Examples

    01 (frequency converter address) Function 05 (write single coil) Coil Address HI Coil Address LO 40 (64 decimal) Coil 65 Force Data HI Force Data LO 00 (FF 00 = ON) Error Check (CRC) ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 77 Error Check (CRC) The query message specifies the register reference to be preset. Register addresses start at zero, i.e. register 1 is addressed as 0. Example: Write to 1-00 Configuration Mode, register 1000. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 78: Danfoss Fc Control Profile

    No. of registers LO Error Check (CRC) Error Check (CRC) Response 7.11 Danfoss FC Control Profile Response The normal response is an echo of the query, 7.11.1 Control Word According to FC returned after the register contents have been passed.
  • Page 79 Digital input (5-10 Terminal 18 Digital Input to 5-13 Terminal 29 Digital Input) programmed to DC braking, Coasting stop, or Reset and coasting stop. The function is only possible when Multi Set-Ups is selected in 0-10 Active Set-up. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 80 Bit 02, Coasting stop Bit 02 = ’0’: The frequency converter releases the motor. Bit 02 = ’1’: The frequency converter starts the motor with a start command. ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 81 (0hex) (4000hex) Par.3-00 set to Reverse Forward (1) -max- +max Par.3-03 Par.3-03 Max reference Max reference 100% (0hex) (4000hex) Par.3-00 set to Forward (0) min-max Par.3-02 Par.3-03 Max reference Min reference ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 82: General Specifications And Troubleshooting

    13.0 19.8 23.0 33.0 53.5 66.6 79.2 103.5 128.7 153.0 (3x200-240V) [A] Intermittent 10.6 14.3 21.8 25.3 36.3 58.9 73.3 87.1 113.9 141.6 168.3 (3x200-240V) [A] 1) At rated load conditions ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 83: Mains Supply 3 X 380-480Vac

    General Specifications and ... VLT HVAC Basic Drive Design Guide 8.1.2 Mains Supply 3 x 380-480VAC ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 84 General Specifications and ... VLT HVAC Basic Drive Design Guide ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 85: Mains Supply 3 X 380-480Vac

    (3x380-440V) [A] Intermittent 38.7 53.9 64.2 69.3 81.6 113.2 136.3 (3x380-440V) [A] Continuous 32.0 41.6 52.0 56.0 73.5 91.0 112.0 (3x440-480V) [A] Intermittent 35.2 45.8 57.2 61.6 80.9 100.1 123.2 (3x440-480V) [A] ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 86: Mains Supply 3 X 525-600Vac

    17.7 27.7 33.1 50.0 67.0 80.9 105.5 (3x380-440V) [A] Continuous 12.6 15.4 23.8 28.7 43.3 58.1 70.0 91.7 (3x440-480V) [A] Intermittent 13.9 16.9 26.2 31.6 47.7 63.9 77.0 100.9 (3x440-480V) [A] ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 87: General Specifications

    Voltage level, logic '1' NPN < 14V DC Maximum voltage on input 28V DC Input resistance, R Approx. 4 k Digital input 29 as thermistor input Fault: > 2.9kΩ and no fault: < 800Ω ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 88 Environment according to EN 60664-1 Overvoltage category III/pollution degree 2 1) IEC 60947 parts 4 and 5. Control card, 10V DC output Terminal number 10.5V ±0.5V Output voltage Max. load 25mA ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 89: Acoustic Noise

    DC intermediate circuit coils Integral fan RFI filter choke The typical values measured at a distance of 1m from the unit: Frame Level [dBA] 57.3 59.5 53.8 63.7 63.2 67.5 (75kW 71.5 dB) 71.4 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...

  • Page 90: Index

    Controlling Fans And Pumps............11 Galvanic Isolation................. 34 Cooling Tower Fan................18 General Copyright, Limitation Of Liability And Revision Rights..... 3 Aspects Of EMC Emissions............30 Aspects Of Harmonics Emission..........33 Specifications..................86 Dampers....................16 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 91 Supply 3 X 525-600VAC..............85 Transfer Of Parameter Settings Between Multiple Frequen- cy Converters..62 Manual PI Adjustment................ 30 Mechanical Front Views..............45 Menu Key....................54 Rated Motor Speed................5 Menus....................... 55 RCD......................6, 35 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 92 Type Code String.................. 42 UL Compliance..................51 UNINTENDED START................8 Using A Frequency Converter Saves Money....... 14 Variable Air Volume..................15 Control Of Flow And Pressure............. 13 Varying Flow Over 1 Year..............13 ® MG.18.C2.02 - VLT is a registered Danfoss trademark...
  • Page 93 130R0222 MG18C202 Rev. 2011-03-03 *MG18C202*...

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