Danfoss vlt series Operating Instructions Manual

12-pulse automation drive

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MAKING MODERN LIVING POSSIBLE

Operating Instructions

VLT

AutomationDrive FC 302

12-pulse

vlt-drives.danfoss.com

Table of Contents

Summary of Contents for Danfoss vlt series

Page 1 MAKING MODERN LIVING POSSIBLE Operating Instructions ® AutomationDrive FC 302 12-pulse vlt-drives.danfoss.com...
Page 3: Table Of Contents
3.2.4.8 Options Cabinet, Enclosure Sizes F11 and F13 3.2.4.9 Options Cabinet, Enclosure Size F15 3.2.5 Cooling and Airflow 3.3 Installing the Panel Options 3.3.1 Panel Options 3.4 Electrical Installation 3.4.1 Transformer Selection 3.4.2 Power Connections MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 4 4.1 The Graphical LCP 4.1.1 Initial Commissioning 4.2 Quick Set-up 4.3 Parameter Menu Structure 5 General Specifications 5.1 Mains Supply 5.2 Motor Output and Motor Data 5.3 Ambient Conditions 5.4 Cable Specifications Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 5 Contents Operating Instructions 5.5 Control Input/output and Control Data 5.6 Electrical Data 6 Warnings and Alarms 6.1 Warning and Alarm Types 6.2 Warning and Alarm Definitions Index MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 6: Introduction
® These operating instructions provide information on: converter via a DeviceNet fieldbus. • Start-up. Danfoss technical documentation is also available online at • Installation. http://drives.danfoss.com/knowledge-center/technical- documentation/. • Programming. 1.3 Document and Software Version •...
Page 7: Disposal
Short circuit current rating HTL encoder (10–30 V) pulses - High-voltage SFAVM Stator flux-oriented asynchronous vector transistor logic modulation Hertz Status word Rated inverter output current SMPS Switch mode power supply Current limit MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 8 Italicized text indicates: • Cross-reference. • Link. • Footnote. • Parameter name, parameter group name, parameter option. All dimensions in drawings are in mm (in). * Indicates a default setting of a parameter. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 9: Safety Instructions
Before performing any service or repair work, • Only qualified personnel must perform instal- use an appropriate voltage measuring device to lation, start-up, and maintenance. make sure that the capacitors are fully discharged. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 10 Ensure that all safety covers are in place and securely fastened before applying power. To run STO, more wiring for the frequency converter is ® required. Refer to VLT Frequency Converters Safe Torque Off Operating Instructions for further information. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 11: How To Install
3.1.1.1 Inspection on Receipt After receiving the delivery, immediately check whether the items supplied match the shipping documents. Danfoss does not honor claims for faults registered later. Register a complaint immediately: Illustration 3.1 Recommended Lifting Method, •...
Page 12 ® How to Install AutomationDrive FC 302 Illustration 3.3 Recommended Lifting Method, Enclosure Size F11/F12/F13/F14. Illustration 3.2 Recommended Lifting Method, Enclosure Size F9/F10. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 13 The angle from the top of the frequency converter to the lifting cable must be >60°. In addition to Illustration 3.1 to Illustration 3.3, a spreader bar can be used to lift the frequency converter. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 14: Mechanical Dimensions
® How to Install AutomationDrive FC 302 3.1.4 Mechanical Dimensions 1497 (58.94) 2205 (86.81) 2280 (89.76) 1497 (58.94) 2205 (86.81) 2280 (89.76) Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 15 How to Install Operating Instructions 3940 m (2320 cfm) 1497 (58.94) 2205 (86.81) 2280 (89.76) 3940 m (2320 cfm) 1497 (58.94) 2205 (86.81) 2280 (89.76) MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 16 ® How to Install AutomationDrive FC 302 4925 (2900 cfm) 1497 (58.94) 2205 (86.81) 2280 (89.76) 4925 m (2900 cfm) 1497 (58.94) 2205 (86.81) 2280 (89.76) Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 19 2400 (94.5) 3600 (141.7) Depth 606 (23.9) 606 (23.9) 606 (23.9) 606 (23.9) Max weight 1022 (2253) 1238 (2729) 1410 (3108) 1626 (3585) [kg (lb)] Table 3.7 Mechanical Dimensions, Enclosure Sizes F12–F15 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 20: Mechanical Installation
776 (30.6) (2x) Illustration 3.5 Space in Front of Enclosure Size F8 Illustration 3.11 Space in Front of Enclosure Size F14 (22.8) (30.6) Illustration 3.6 Space in Front of Enclosure Size F9 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 21 Use metallic conduit or separated shielded wire. Failure to isolate mains cables, motor cables, and control wiring could result in the mutual signal coupling which may cause nuisance trip cases. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 22: Terminal Locations
Left side view Front view Right side view Ground bar Illustration 3.13 Terminal Locations Inverter and Rectifier, Enclosure Sizes F8, and F9. The gland plate is 42 mm (1.65 in) below 0.0 level. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 23: Inverter, Enclosure Sizes F10 And F11
.0 [.0] 44.40 [1.75] 244.40 [9.62] Ground bar Motor terminals Brake terminals Illustration 3.14 Terminal Locations – Left, Front, and Right Views. The gland plate is 42 mm (1.65 in) below 0.0 level. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 24: Inverter, Enclosure Sizes F12 And F13
W/T3 98 180.3 [7.10] 0.0 [0.00] Ground bar Motor terminals Brake terminals Illustration 3.15 Terminal Locations – Left, Front, and Right Views. The gland plate is 42 mm (1.65 in) below 0.0 level. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 25: Inverter, Enclosure Sizes F14 And F15
BRAKE 308.3 [12.1] 253.1 [10.0] EARTH GROUND 180.3 [7.1] .0 [.0] MOTOR BRAKE Illustration 3.16 Terminal Locations – Left, Front, and Right Views. The gland plate is 42 mm (1.65 in) below 0.0 level. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 26: Rectifier, Enclosure Sizes F10, F11, F12, And F13
0.0 [ 0.00 ] Left side view Front view Right side view Ground bar Illustration 3.17 Terminal Locations – Left, Front, and Right Views. The gland plate is 42 mm (1.65 in) below 0.0 level. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 27: Rectifier, Enclosure Sizes F14 And F15
EARTH GROUND 56.6 [2.2] .0 [.0] .0 [.0] MAINS SIDE MAINS MOTOR SIDE Illustration 3.18 Terminal Locations – Left, Front, and Right Views. The gland plate is 42 mm (1.65 in) below 0.0 level. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 28: Options Cabinet, Enclosure Size F9
AutomationDrive FC 302 3.2.4.7 Options Cabinet, Enclosure Size F9 887.4 830.3 628.8 443.8 386.7 151.3 244.4 Left side view Front view Right side view Illustration 3.19 Terminal Locations Options Cabinet, Enclosure Size F9 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 29: Options Cabinet, Enclosure Sizes F11 And F13
3.2.4.8 Options Cabinet, Enclosure Sizes F11 and F13 547.8 440.4 151.3 244.4 Left side view Front view Right side view Ground bar Illustration 3.20 Terminal Locations Options Cabinet, Enclosure Sizes F11 and F13 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 30: Options Cabinet, Enclosure Size F15
1) Airflow per fan. Enclosure sizes F contain multiple fans. room. Ducting the air outside the facility ultimately reduces the air-conditioning requirements of the facility. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 31 Drive air flow: 985 m /h (580 cfm) (2.76) (23.33) 99.5 (7.85) 535.0 (21.06) 258.5 (10.18) 35.5 (1.40) 733.0 (28.86) 36.5 (1.44) Illustration 3.24 F8, Cable Entry Viewed from the Bottom of the Frequency Converter MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 32 70.0 (23.35) (2.76) 199.5 (7.86) 535.0 (21.06) 258.5 (10.18) 37.2 (1.47) 733.0 (28.86) 36.5 800.0 (1.44) (31.50) 1533.0 (60.36) Illustration 3.26 F10, Cable Entry Viewed from the Bottom of the Frequency Converter Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 33 593.0 (2.76) (23.35) 199.5 (7.85) 535.0 (21.06) 258.5 (10.18) 37.2 (1.47) 733.0 (28.86) 36.5 800.0 1933.0 (1.44) (31.50) (76.10) Illustration 3.28 F12, Cable Entry Viewed from the Bottom of the Frequency Converter MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 34 (7.85) 535.0 (21.06) 285.5 (10.18) 37.2 17.5 733.0 (1.47) (0.69) (28.86) 800.0 (31.50) 1533.0 36.5 (60.35) (1.44) 2333.0 (91.85) Illustration 3.30 F14, Cable Entry Viewed from the Bottom of the Frequency Converter Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 35 635.1 (25.00) 560.6 (22.07) 62.8 (2.47) 600.0 (23.62) 760.6 (29.95) 18.2 (0.72) 1201.0 (47.28) 800.0 (31.50) 3498.9 (137.75) 130BE179.10 Illustration 3.31 F15, Cable Entry Viewed from the Bottom of the Frequency Converter MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 36: Installing The Panel Options
• ® selection requires a VLT PTC Thermistor Card MCB 112 Short circuit and overload protection with test ® function. and a VLT Extended Relay Card MCB 113. • Manual reset function. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 37: Electrical Installation
Fault diagnostics for wire breakage or short and overcurrent protection. If fuses are not circuits of sensor leads. factory-supplied, the installer must provide them. See maximum fuse ratings in chapter 3.4.13 Fuses. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 38: Transformer Selection
Recommended fuses are detailed in in chapter 3.4.13 Fuses. Always ensure that fusing conforms to local regulations. If the mains switch is included, the connection of mains is fitted to the mains switch. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 39 B) 12-Pulse Connection Notes 1) When 1 of the rectifier modules is inoperable, use the operable rectifier module to run the frequency converter at a reduced power. Contact Danfoss for reconnection details. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 40 In motors without phase insulation paper or other insulation reinforcement suitable for operation with voltage supply (such as a frequency converter), fit a sine- wave filter on the output of the frequency converter. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 41 Mains L1-1 (R1), L2-1 (S1), L3-1 (T1) 12-pulse rectifier module Ground PE terminals 12-pulse rectifier module Illustration 3.36 Rectifier Cabinet, Enclosure Sizes F10 and F12 Illustration 3.35 Rectifier and Inverter Cabinet, Enclosure Sizes F8 and F9 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 42 Mains L1-1 (R1), L2-1 (S1), L3-1 (T1) SMPS fuses. See Table 3.21 for part numbers. 12-pulse rectifier modules DC inductor Illustration 3.37 Inverter Cabinet, Enclosure Sizes F10 and F11 Illustration 3.38 Rectifier Cabinet, Enclosure Size F14 and F15 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 43 Motor connection, 1 per module T1 (U), T2 (V), T3 (W) Brake 81 (-R), 82 (+R) Fan fuses. See Table 3.22 for part numbers. SMPS fuses. See Table 3.21 for part numbers. Illustration 3.39 Inverter Cabinet, Enclosure Sizes F12 and F13 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 44 SMPS fuses. See Table 3.21 for part numbers. Brake 81 (-R), 82 (+R) Motor connection, 1 per module T1 (U), T2 (V), T3 (W) Illustration 3.40 Inverter Cabinet, Enclosure Size F14 and F15 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 45 Mains L1-2 (R2), L2-2 (S2), L3-2 (T2) 2x3-phase manual disconnect Mains L1-1 (R1), L2-1 (S1), L3-1 (T1) RCD or IRM terminal Illustration 3.41 Options Cabinet, Enclosure Size F9 Illustration 3.42 Options Cabinet, Enclosure Sizes F11 and F13 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 46 See chapter 3.4.14 Fuse Tables for part numbers. Mains L1-2 (R2), L2-2 (S2), L3-2 (T2) Mains L1-1 (R1), L2-1 (S1), L3-1 (T1) 2x3-phase manual disconnect Illustration 3.43 Options Cabinet, Enclosure Size F15 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 47: Grounding
If ELCB relays are used, observe local regulations. Relays must be suitable for the protection of 3-phase equipment with a bridge rectifier and for a brief discharge on power- See also Special Conditions in the product relevant design guide. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 48: Torque
(75–181 in-lb) Table 3.11 Tightening Torques 3.4.7 Shielded Cables NOTICE Danfoss recommends using shielded cables between the LCL filter and the frequency converter. Unshielded cables can be used between the transformer and the LCL filter input side. Illustration 3.45 Wiring for Clockwise and Counterclockwise...
Page 49: Brake Cable For Frequency Converters With Factory-Installed Brake Chopper Option
NOTICE If a retrofit application requires an unequal number of wires per phase, consult Danfoss for requirements and documentation, or use the top/bottom entry side cabinet option. 3.4.9 Brake Cable for Frequency Converters...
Page 50: Connection Of Mains
Short-circuit protection chapter 3.4.13 Fuses. To avoid electrical or fire hazard, protect the frequency converter against short circuit. Danfoss recommends using 3.4.12 External Fan Supply the fuses mentioned in Table 3.16 to Table 3.27 to protect service personnel and equipment if there is an internal failure in the frequency converter.
Page 51 1) The Bussmann 170M fuses shown use the -/80 visual indicator, -TN/80 Type T, -/110 or TN/110. Type T indicator fuses of the same size and amperage may be substituted for external use. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 52: Supplementary Fuses
Merlin Gerin NPJF36000S12AAYP Delay, 6 A P1M4–P1M8 Merlin Gerin NPJF362000S20AAYP Table 3.24 Control Transformer Fuse Table 3.27 Mains Disconnectors Enclosure size Bussmann PN Rating F8–F15 GMC-800MA 800 mA, 250 V Table 3.25 NAMUR Fuse Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 53: Motor Insulation
Make a direct ground connection between the motor and load motor. Lower the IGBT switching frequency. Modify the inverter waveform, 60° AVM vs. SFAVM. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 54: Control Cable Routing
Loose control wiring can be the source of equipment faults or reduced performance. See chapter 5.4 Cable Specifications for control terminal wiring sizes and chapter 3.5 Connection Examples for typical control wiring connections. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 55: Electrical Installation, Control Cables
11 12 13 14 11 12 13 14 15 16 17 18 15 16 17 18 15 16 17 18 15 16 17 18 15 16 17 18 Illustration 3.50 Wiring Diagram A=Analog, D=Digital MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 56 TB3 INVERTER 2 MCB 113 PIN X45/3 MCB 113 PIN X45/4 AUX FAN AUX FAN MCB 112 PIN 1 MCB 112 PIN 2 Illustration 3.51 Diagram Showing all Electrical Terminals with NAMUR Option Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 57: Switches S201, S202, And S801
69) via the switch S801 (BUS TER). See Illustration 3.50. Default setting: S201 (A53) = OFF (voltage input) S202 (A54) = OFF (voltage input) Illustration 3.53 NPN (Sink) S801 (Bus termination) = OFF MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 58: Connection Examples
Terminal 18 = Parameter 5-10 Terminal 18 Digital Input [8] Start Terminal 27 = Parameter 5-12 Terminal 27 Digital Input [0] Speed No operation (Default coast inverse) Terminal 37 = STO Start (18) Start (27) Illustration 3.57 Wiring Pulse Start/Stop Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 59: Final Set-Up And Test
°C Switch S201 = OFF (U) AMB 40 1000 CONN DESIGN RISE °C SECONDARY DUTY CONN ENCLOSURE IP23 INSUL EFFICIENCY % 95.8% 100% 95.8% 75% WEIGHT 1.83 ton CAUTION Illustration 3.60 Nameplate MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 60: Additional Connections
This number along with the description of the alarm helps with troubleshooting. State the alarm number and description when contacting Danfoss service. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 61: Parallel Connection Of Motors
ETR and is combined with the use of MCB 112, it is possible to control an Ex-e motor in explosion hazardous areas. Consult the relevant programming guide for details on how to set up the frequency converter for safe operation of Ex-e motors. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 62: How To Programme
Status line: Status messages showing text. NOTICE If start-up is delayed, the LCP shows the INITIALIZING message until it is ready. Adding or removing options Warn. can delay the start-up. Alarm Hand Auto Reset Illustration 4.1 LCP Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 63: Initial Commissioning
Set the ramp-down time with Parameter 3-42 Ramp 1 Ramp Down reference to synchronous motor Time speed, n Set the site from where the Parameter 3-13 Reference Site reference must work. Table 4.1 Quick Set-up Procedure MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 64: Quick Set-Up
Nederlands Part of language package 1 frequency converter. [10] Chinese Part of language package 2 [20] Suomi Part of language package 1 [22] English US Part of language package 4 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 65 Avoid generating external torque during AMA. NOTICE If 1 of the settings in parameter group 1-2* Motor Data is changed, parameter 1-30 Stator Resistance (Rs) to parameter 1-39 Motor Poles return to their default setting. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 66 Set-up select bit 1 [24] synchronous motor speed n . Select a ramp- Catch up [28] up time which prevents the output current Slow down [29] from exceeding the current limit in Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 67: Parameter Menu Structure
Ramp bit 0 [34] Ramp bit 1 [35] Mains failure inverse [36] DigiPot Increase [55] DigiPot Decrease [56] DigiPot Clear [57] Reset Counter A [62] Reset Counter B [65] 4.3 Parameter Menu Structure MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 73: General Specifications
-25 to +65/70 °C (8.6 to 149/158 °F) Temperature during storage/transport Maximum altitude above sea level without derating 1000 m (3281 ft) ® Derating for high altitude, see special conditions in the VLT AutomationDrive FC 301/FC 302 Design Guide MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 74: Cable Specifications
10 kΩ ±20 V Maximum voltage Current mode Switch S201/switch S202 = ON (I) Current level 0/4 to 20 mA (scaleable) approximately 200 Ω Input resistance, R Maximum current 30 mA Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 75 Maximum load GND - analog output less than Accuracy on analog output Maximum error: 0.5% of full scale Resolution on analog output 12 bit The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 76 Overvoltage category III/pollution degree 2 1) IEC 60947 part 4 and 5 The relay contacts are galvanically isolated from the rest of the circuit by reinforced isolation (PELV). Control card performance Scan interval 1 ms Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 77 DC link, and low motor speeds. As a response to a critical level, the frequency converter can adjust the switching frequency and/or change the switching pattern to ensure the performance of the frequency converter. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 78 75 °C (167 °F) Power card ambient trip A) High overload = 150% torque during 60 s, Normal overload = 110% torque during 60 s Table 5.1 Mains Supply 6x380–500 V AC Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 79 75 °C (167 °F) Power card ambient trip A) High overload = 150% torque during 60 s, Normal overload = 110% torque during 60 s Table 5.2 Mains Supply 6x380–500 V AC MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 80 75 °C (167 °F) Power card ambient trip A) High overload = 150% torque during 60 s, Normal overload = 110% torque during 60 s Table 5.3 Mains Supply 6x525–690 V AC Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 81 Heat sink overtemperature trip 75 °C (167 °F) Power card ambient trip High overload = 150% torque during 60 s, Normal overload = 110% torque during 60 s Table 5.4 Mains Supply 6x525–690 V AC MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 82 75 °C (167 °F) Power card ambient trip A) High overload = 150% torque during 60 s, Normal overload = 110% torque during 60 s Table 5.5 Mains Supply 6x525–690 V AC Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 83 75 °C (167 °F) Power card ambient trip A) High overload = 150% torque during 60 s, Normal overload = 110% torque during 60 s Table 5.6 Mains Supply 6x525–690 V AC MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 84 However, the typical extra losses are only 4 W extra each for a fully loaded control card, or options for slot A or slot B. Although measurements are made with state of the art equipment, some measurement inaccuracy must be allowed for ± 5%). Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 85 The control card voltage is less than 10 V from terminal 50. Remove some of the load from terminal 50, as the 10 V supply is overloaded. Maximum 15 mA or minimum 590 Ω. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 86 Check if the motor is mechanically overloaded. converter trips after a certain time. • Check that the motor current set in Troubleshooting parameter 1-24 Motor Current is correct. • Connect a brake resistor. • Extend the ramp time. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 87 Remove the power to the frequency converter torque limit. Make sure that the system can and repair the short circuit. operate safely at a higher torque. • Check the application for excessive current draw on the motor. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 89 Check that the option is properly installed. motor is missing. • WARNING Check for loose or missing wiring. It may be necessary to contact Danfoss Service or the HIGH VOLTAGE supplier. Note the code number for further troubleshooting Frequency converters contain high voltage when directions.
Page 90 For terminal X30/7, check the load connected to terminal 2325 A power card has stopped communicating while X30/7 or remove the short circuit connection. Check mains power is applied. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 91 WARNING 62, Output frequency at maximum limit ALARM 50, AMA calibration failed The output frequency is higher than the value set in Contact the Danfoss supplier or Danfoss service parameter 4-19 Max Output Frequency. department. ALARM 63, Mechanical brake low...
Page 92 The control card and power card are incompatible. To The fan is not operating. The fan monitor checks that the check compatibility, contact the Danfoss supplier with the fan is spinning at power-up or whenever the mixing fan is type code from the unit nameplate and the part numbers turned on.
Page 93 F14 or F15. 5 = Rectifier module. 5 = Rectifier module. 6 = Right rectifier module in enclosure sizes F14 6 = Right rectifier module in enclosure size F14 or or F15. F15. MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 94 Restore the frequency converter type code in the EEPROM. Select the correct type code in parameter 14-23 Typecode Setting according to the label on the frequency converter. Remember to select Save to EEPROM at the end. Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 95 Electrical installation............... 53 General considerations............... 18 Fieldbus connection............... 52 Gland entry, IP21 (NEMA 1) and IP54 (NEMA12)....... 29 Input polarity of control terminal..........55 Routing....................52 Graphical display.................. 60 Shielded/armored................55 Grounding....................45 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 96 Short circuit..................85 power....................89 Sine-wave filter..................38 protection................... 75 Smart application set-up..............62 thermal protection................59 Unintended motor rotation............8 Space......................18 Space heaters and thermostat............34 Speed up/speed down............... 57 Danfoss A/S © 04/2016 All rights reserved. MG34Q402...
Page 97 Trips......................83 Unintended start................7, 83 Unpacking....................9 Voltage imbalance................... 84 level....................... 72 reference via a potentiometer............. 57 VVC+......................6 Warnings....................83 Windmilling....................8 Wire access....................19 Wire sizes....................36 Wiring Control....................52 MG34Q402 Danfoss A/S © 04/2016 All rights reserved.
Page 98 Danfoss can accept no responsibility for possible errors in catalogues, 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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Fc 302

Danfoss vlt series Operating Instructions Manual

1 Introduction

2 Safety Instructions

3 How to Install

4 How to Programme

5 General Specifications

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