Page 1 MAKING MODERN LIVING POSSIBLE www.danfoss.com/drives VLT ® HVAC Low Harmonic Drive Instruction Manual VLT ® HVAC Drive FC 100 130R0503 MG16A122 Rev. 2009-10-07 *MG16A122*...
Page 2: Table Of Contents
4-23 Field Installation of Options 4-30 Installation of Input Plate Options 4-30 Installation of Line Power Shield for Adjustable Frequency Drives 4-30 Frame size F Panel Options 4-31 Electrical Installation 4-33 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 3 4-** Limits / Warnings 6-47 5-** Digital In / Out 6-48 6-** Analog In / Out 6-49 8-** Communication and Options 6-50 9-** Profibus 6-51 10-** CAN Fieldbus 6-51 11-** LonWorks 6-52 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 4 How to Access Parameters 7-11 8 General Specifications Filter Specifications 9 Troubleshooting Alarms and Warnings - Adjustable Frequency Drive (right LCP) Fault Messages Alarms and Warnings - Filter (left LCP) 9-12 10 Index 10-1 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 5 VLT HVAC Low Harmonic Drive Instruction Contents Manual ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 6: How To Read This Instruction Manual
Danfoss reserves the right to revise this publication at any time and to make changes to its contents without prior notice or any obligation to notify former or present users of such revisions or changes.
Page 7: Symbols
VLT HVAC Low Harmonic Drive Instruction 1 How to Read this Instruction Manual Manual Danfoss technical literature is available in print from your local Danfoss Sales Office or online at: www.danfoss.com/BusinessAreas/DrivesSolutions/Documentations/Technical+Documentation.htm 1.1.3 Software Version and Approvals: VLT HVAC Drive VLT HVAC Drive Software version: 3.2.x...
Page 8: Safety
Installation at High Altitudes Installation at high altitude: At altitudes above 9843 ft [3 km], please contact Danfoss Drives regarding PELV. Warning against Unintended Start 1. The motor can be brought to a stop by means of digital commands, bus commands, references or a local stop, while the adjustable frequency drive is connected to line power.
Page 9: General Warning
High temperature applications which require derating of the electrical ratings • Marine applications with more severe environmental conditions. Consult the relevant clauses in these instructions and in the Design Guide for information about the electrical ratings. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 10: Avoid Unintended Start
The figure below shows a Stopping Category 0 (EN 60204-1) with safety Category 3 (EN 954-1). The circuit interruption is caused by an opening door contact. The figure also shows how to connect a non-safety-related hardware coast. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 11: Safe Stop Of The Adjustable Frequency Drive
Category 3 in EN 954-1, the related information and instructions of the must be followed. The information and instructions of the Instruction Manual are not sufficient for a correct and safe use of the safe stop functionality. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 12 VLT HVAC Low Harmonic Drive Instruction Manual 2 Safety ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 13: Line Power
Equipment containing electrical components may not be disposed of together with domestic waste. It must be separately collected with electrical and electronic waste according to local and currently valid leg- islation. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 14: Introduction To The Low Harmonic Drive
The VLT Low Harmonic Drive is a VLT High Power adjustable frequency drive with an integrated active filter. An active filter is a device that actively monitors harmonic distortion levels and injects compensative harmonic current onto the line to cancel out the harmonics. Figure 3.1: Basic layout for the Low Harmonic Drive ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 15: Ieee519 Compliance
50th. Figure 3.2: Typical harmonic frequency spectrum and THD value at the line power terminals of the drive n = harmonic order ⃟..IEEE519 (Isc/IL>20) limits for individual harmonics ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 16: Ordering Form Type Code
Line power option Adaptation A Adaptation B Software release 24-27 Software language A options 29-30 B options 31-32 C0 options, MCO 33-34 C1 options C option software 36-37 D options 38-39 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 17 VLT HVAC Low Harmonic Drive Instruction 3 Introduction to the Low Harmonic Drive Manual ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 18: How To Install
Programming Frame size is depending on enclosure type, power range and AC line Figure 4.1: Diagram showing basic installation including line voltage power, motor, start/stop key, and potentiometer for speed adjustment. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 19: Pre-Installation
Before unpacking the adjustable frequency drive, it is recommended to unload it as close as possible to the final installation site. Remove the box and handle the adjustable frequency drive on the pallet, as long as possible. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 20: Lifting
Maximum diameter for bar is 1 in [2.5 cm]. The angle from the top of the drive to the lifting cable should be 60° or greater. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 21 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.3: Recommended lifting method, frame size F - filter section. Figure 4.4: Recommended lifting method, frame size F - drive section. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 22 In addition to the drawing above, a spreader bar is an acceptable way to lift the F frame. NOTE! The F size will be shipped as 2 pieces. Instructions on how to assemble the pieces can be found in the “Mechanical Installation” chapter. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 23 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 24 VLT HVAC Low Harmonic Drive Instruction Manual 4 How to Install ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 25 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 26 VLT HVAC Low Harmonic Drive Instruction Manual 4 How to Install ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 27 40 in [1016 mm] Drive Dimensions Height 68.9 in [1750 mm] 2000 Width 49.6 in [1260 mm] 1440 Depth 14.96 in [380 mm] Max Weight 895 lbs [406 kg] 1424 lbs [646 kg] 4-10 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 28 1130/ 1130 Drive Dimensions Height 86.62 in [2200 mm] Width 145.7 in [3700 mm] Depth 23.62 in [600 mm] Max Weight 4410 lbs [2000 kg] * Hybrid IP54 electronics, IP21 magnetics 4-11 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 29: Mechanical Installation
Ensure proper space above and below the adjustable frequency drive to allow airflow and cable access. In addition, space in front of the unit must be considered to allow the panel door to be opened. Figure 4.9: Space in front of IP21/IP54 enclosure type, frame size D11. 4-12 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 30 Figure 4.11: Space in front of IP21/IP54 enclosure type, frame size F17. Wire access Ensure that proper cable access is present including the necessary bending allowance. NOTE! All cable lugs/shoes must mount within the width of the terminal bus bar. 4-13 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 31: Assembly Of F Frame Sections
Position filter and drive sections in proximity to one another. The filter section will attach to the left side of the drive section. Open the rectifier section door and remove the cover shielding the bus bars. Cover shielding bus bars Apply included gasket to indicated surface on cabinet. 4-14 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 32 4 How to Install Apply gasket to this surface Open doors on LCL side of filter, right most cabinet, and remove indicated shields. Shields to remove Remove indicated inductor module. 4-15 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 33 A control wire connection will need to be made between the filter section and the drive section. It will consist of two connectors which will plug into one another near the upper shelf of the LCL cabinet. See description below. The doors can now be closed and locked. The drive is ready for operation. 4-16 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 34: Control Wire Connection Between Drive And Filter
For D and E frames this procedure is not necessary upon reception of the unit. However, if a factory reset is performed, the unit must be reprogrammed as specified above. 4-17 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 35: Terminal Locations - Frame Size D
Be aware that the power cables are heavy and hard to bend. Give thought to the optimum position of the adjustable frequency drive for ensuring easy installation of the cables. 4-18 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 36: Terminal Locations - Frame Size E
All D frames are available with standard input terminals or disconnect switch 4.3.6 Terminal Locations - Frame size E Give thought to the following terminal positions when designing the cable access. Section shown ↓ Figure 4.14: Terminal locations E3 - filter 4-19 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 37 Each terminal allows for the use of up to 4 cables with cable lugs or the use of standard box lug. Ground is connected to relevant termination point in the drive. Figure 4.16: Terminal in details 4-20 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 38: Terminal Locations - Frame Size F
Section shown Figure 4.17: Terminal locations - Filter (left side, front and right side view). The connector plate is 1.65 in ↓ [42 mm] below .0 level. 1) Ground bar 4-21 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 39 Figure 4.18: Terminal locations - Rectifier (left side, front and right side view). The connector plate is 1.65 in [42 mm] below .0 level. 1) Load Share Terminal (-) 2) Ground bar Section shown 3) Load Share Terminal (+) ↓ 4-22 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 40: Cooling And Airflow
The backchannel air can also be ventilated in and out the back of a Rittal TS8 enclosure. This offers a solution where the backchannel could take air from outside the facility and return the heat losses outside the facility thus reducing air-conditioning requirements. 4-23 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 41 Specific heatsink temperature exceeded (power size dependent) Specific Power Card ambient temperature exceeded (power size-dependent) Specific Control Card ambient temperature exceeded Once the fan is started, it will run for a minimum of 10 minutes. 4-24 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 42 Figure 4.21: E frame Derating vs. Pressure Change (Small Fan), P315 Drive air flow: 650 cfm (1105 m Figure 4.22: E frame Derating vs. Pressure Change (Large Fan) P355-P450 Drive air flow: 850 cfm (1445 m 4-25 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 43 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.23: F frame Derating vs. Pressure Change Drive air flow: 580 cfm (985 m 4-26 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 44 Figure 4.24: Example of proper installation of the gland plate. Frame size D11 Frame size E7 Cable entries viewed from the bottom of the adjustable frequency drive 1) Line cable connection 2) Motor cable connection 4-27 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 45 The bottom plate of the E frame can be mounted from either inside or outside of the enclosure, allowing flexibility in the installation process, i.e., if mounted from the bottom the connectors and cables can be mounted before the adjustable frequency drive is placed on the pedestal. 4-28 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 46 Insert the drip shield and replace the screws. • Torque the screws to 5.6 Nm (50 in-lbs). NOTE! Drip shield is necessary on both filter and drive section. ↓ ↓ Figure 4.26: Install the drip shield. 4-29 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 47: Field Installation Of Options
The line power shield is for installation with D and E frames and satisfy BG-4 requirements. Ordering numbers: D frames: 176F0799 E frames: 176F1851 NOTE! For further information, please see the Instruction Sheet, 175R5923 4-30 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 48: Frame Size F Panel Options
Includes a redundant 4-wire emergency stop pushbutton mounted on the front of the enclosure and a Pilz relay that monitors it in conjunction with the drive’s safe stop circuit and the line power contactor located in the options cabinet. 4-31 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 49 Fault diagnostics for wire breakage or short-circuits of sensor leads • ATEX/UL/CSA certification • A third thermistor input can be provided by the PTC thermistor option card MCB 112, if necessary. 4-32 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 50: Electrical Installation
The adjustable frequency drive has been EMC tested with a given length of cable. Keep the motor cable as short as possible to reduce the noise level and leakage currents. 4-33 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 51 In motors without phase insulation paper or other in- sulation reinforcement suitable for operation with volt- age supply (such as a adjustable frequency drive), fit a sine-wave filter on the output of the adjustable fre- quency drive. 4-34 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 52 VLT HVAC Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.27: Frame size D11 Load sharing option Line AUX Fan Brake option Temp Switch Motor AUX Relay Fan/SMPS fuse 4-35 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 53 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.28: Position of ground terminals (drive section) 4-36 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 54 VLT HVAC Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.29: Frame size E7 Load sharing option Line AUX Fan Brake option Temp Switch Motor AUX Relay Fan/SMPS fuse 4-37 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 55 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual Figure 4.30: Active Filter, frame size F17 Section shown ↓ Line Bus bars to rectifier section of drive Fuse block 4-38 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 56 VLT HVAC Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.31: Rectifier Cabinet, frame size F17 Section shown ↓ 4-39 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 57 Manual Motor Controller fuses (3 or 6 pieces). See fuse tables for part numbers Connection point to filter Line Fuses, F1 and F2 frame (3 pieces). See fuse tables for part numbers 30 Amp Fuse Protected Power fuses 4-40 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 58 VLT HVAC Low Harmonic Drive Instruction Manual 4 How to Install Figure 4.32: Inverter Cabinet, frame size F17 Section shown ↓ 4-41 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 59 If ELCB relays are used, local regulations must be observed. Relays must be suitable for protection of 3-phase equipment with a bridge rectifier and for a brief discharge on power-up. See also the section Special Conditions in the Design Guide. 4-42 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 60 8.5–20.5 Nm (75–181 in-lbs) Line power 19–40 Nm (168–354 in-lbs) Motor Load sharing 19–40 Nm (168–354 in-lbs) Brake 8.5–20.5 Nm (75–181 in-lbs) Regen 8.5–20.5 Nm (75–181 in-lbs) Table 4.2: Torque for terminals 4-43 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 61 The direction of rotation can be changed by switching two phases in the motor cable or by changing the setting of par. 4-10 Motor rotation check can be performed using par. 1-28 Motor Rotation Check and following the steps shown in the display. 4-44 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 62 A KLIXON switch must be installed that is `normally closed' in series with the existing connection on either 106 or 104. Any connection to this terminal must be double insulated to high voltage to maintain PELV. Normally closed: 104-106 (factory installed jumper). 4-45 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 63: Ac Line Input Connections
Ensure that the power supply can supply the necessary current to the adjustable frequency drive. If the unit is without built-in fuses, ensure that the appropriate fuses have the correct current rating. 4-46 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 64: Power And Control Wiring For Non-Shielded Cables
When shielded/armored cable is not used, at least three separate conduits must be connected to the panel option (see figure below). • Power wiring into the enclosure • Power wiring from the enclosure to the motor • Control wiring 4-47 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 65: Fuses
Short-circuit protection: The adjustable frequency drive must be protected against short-circuit to avoid electrical or fire hazard. Danfoss recommends using the fuses mentioned below to protect service personnel and equipment in case of an internal failure in the drive. The adjustable frequency drive provides full short-circuit protection in case of a short-circuit on the motor output.
Page 66 6 A, 600 V Any listed Class J Dual Element, Time Delay, 6 A Table 4.11: Control Transformer Fuse Frame size Bussmann PN* Rating GMC-800MA 800 mA, 250 V Table 4.12: NAMUR Fuse 4-49 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 67 2.8 times the AC line voltage due to transmission line effects in the motor cable. If a motor has lower insulation rating, it is recommended to use a du/dt or sine-wave filter. 4-50 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 68: Control Cable Routing
Use an insulated bearing as recommended by the motor manufacturer (note: Motors from reputable manufacturers will typically have these fitted as standard in motors of this size) If found to be necessary and after consultation with Danfoss: Lower the IGBT switching frequency Modify the inverter waveform, 60°...
Page 69 4.6.21 Access to Control Terminals All terminals to the control cables are located beneath the LCP (both filter and drive LCP). They are accessed by opening the door of the unit. 4-52 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 70: Electrical Installation, Control Terminals
Remove the screwdriver. The cable is now mounted in the terminal. To remove the cable from the terminal: Insert a screwdriver in the square hole. Pull out the cable. Max. 0.015 x 0.1 in. [0.4 x 2.5 mm] 4-53 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 71: Connection Examples For Control Of Motor With External Signal Provider
Terminal 18 Digital Input Start Terminal 18 = par. 5-10 Terminal 27 Digital Input No operation Terminal 27 = par. 5-12 (De- coast inverse fault Terminal 37 = Safe stop 4-54 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 72: Pulse Start/Stop
Terminal 29 Digital Input Terminal 29 = par. 5-13 Speed up [21] Terminal 32 Digital Input Terminal 32 = par. 5-14 Slow [22] NOTE: Terminal 29 only in FC x02 (x=series type). 4-55 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 73 Terminal 53, Low Voltage = 0 Volt Terminal 53, High Voltage = 10 Volt Terminal 53, Low Ref./Feedback = 0 RPM Terminal 53, High Ref./Feedback = 1,500 RPM Switch S201 = OFF (U) 4-56 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 74: Electrical Installation - Additional
In rare cases, very long control cables and analog signals may, depending on installation, result in 50/60 Hz ground loops due to noise from line power supply cables. If this occurs, it may be necessary to break the shield or insert a 100 nF capacitor between shield and chassis. 4-57 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 75 EMC performance. Connect the wires as described in the Instruction Manual for the adjustable frequency drive. Remember to connect the shields in a proper way to ensure optimum electrical immunity. 4-58 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 76: Switches S201, S202, And S801
When changing the function of S201, S202 or S801, be careful not to force the switch over. It is recommended to remove the LCP fixture (cradle) when operating the switches. The switches must not be operated while the adjustable frequency drive is powered. 4-59 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 77: Final Set-Up And Test
Stop the AMA during operation Press the [OFF] key - the adjustable frequency drive enters into alarm mode and the display shows that the AMA was terminated by the user. 4-60 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 78 "Report Value" in the [Alarm Log] shows the last measuring sequence carried out by the AMA before the adjustable frequency drive entered alarm mode. This number along with the description of the alarm will assist you in troubleshooting. If you contact Danfoss for service, make sure to mention the number and alarm description.
Page 79: Additional Connections
Problems may arise at start and at low RPM values if motor sizes are widely different because small motors' relatively high ohmic resistance in the stator calls for a higher voltage at start and at low RPM values. 4-62 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 80: Motor Thermal Protection
For thermal motor protection, it is also possible to use the MCB 112 PTC thermistor card option. This card provides an ATEX certificate to protect motors Design Guide in explosion hazard areas, Zone 1/21 and Zone 2/22. Please refer to the for further information. 4-63 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 81 VLT HVAC Low Harmonic Drive Instruction 4 How to Install Manual 4-64 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 82: How To Operate The Low Harmonic Drive
The LCD display is back lit with a total of 6 alpha-numeric lines. All data is displayed on the LCP, which can show up to five operating variables while in [Status] mode. The picture below shows an example of the drive LCP. The filter LCP looks identical but displays information related to the filter operation. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 83 Each value / measurement readout parameter selected in par. 0-20 to par. 0-24 has its own scale and number of digits after a possible decimal point. Larger numeric values are displayed with few digits after the decimal point. Ex.: Current readout 5.25 A; 15.2 A 105 A. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 84 Smart Logic Control NOTE! Status display III is not available on the filter LCP Bottom section always shows the state of the adjustable frequency drive in status mode. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 85 It is possible to switch directly between Main Menu mode and Quick Menu mode. Parameter shortcut can be carried out by pressing down the [Main Menu] key for 3 seconds. The parameter shortcut allows direct access to any parameter. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 86 Reset • Coasting stop inverse (motor coasting to stop) • Reversing • Set-up select lsb - Set-up select msb • Stop command from serial communication • Quick stop • DC brake ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 87 ] key increases the value, the [ ] key decreases the value. Press the [Cancel] key to disregard the change, or press the [OK] key to accept the change and enter the new setting. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 88 , par. 1-22 Motor Voltage Motor Frequency and par. 1-23 The parameters are changed both as a group of numeric data values, and as numeric data values using an infinite number of variables. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 89 Select “All from LCP” Press the [OK] key The parameter settings stored in the GLCP are now transferred to the adjustable frequency drive indicated by the progress bar. When 100% is reached, press [OK]. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 90 Overvolts 2b. Press [Menu] while powering up for LCP 101, Numerical Display 3. Release the keys after 5 s 4. The adjustable frequency drive is now programmed according to default settings ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 91 Use only an isolated laptop as PC connection to the USB connector on the adjustable frequency drive. Control Terminals Figure 5.5: For control cable connections, see section on 5-10 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 92 5.1.12 PC software tools PC-based Configuration Tool MCT 10 The low harmonic drive is equipped with two serial communication ports. Danfoss provides a PC tool for communication between PC and adjustable Available Literature frequency drive, PC-based Configuration Tool MCT 10. Please check the section on for detailed information on this tool.
Page 93 Smart Logic Controller Set-up Ordering number: Please order the CD containing MCT 10 Set-up Software using code number 130B1000. WWW.DANFOSS.COM, Business Area: Motion Controls MCT 10 can also be downloaded from the Danfoss website: 5-12 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 94: How To Program The Low Harmonic Drive
Parameters only applicable when a Profibus option is installed. CAN Fieldbus Parameters only applicable when a DeviceNet option is installed. LonWorks Parameters only applicable when a Lonworks option is installed. Table 6.1: Parameter Groups ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 95 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 96: Quick Menu Mode
Assume parameter 22-60 is set to [Off]. However, you want to monitor the fan belt condition - non-broken or broken - according to the following procedure: Press Quick Menu key ▼ Choose Function Set-ups with the [ ] button Press [OK] ▼ Choose Application Settings with the [ ] button Press [OK] ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 97 The new ramp-down time is now set to 100 seconds. It is recommended to do the set-up in the order listed. NOTE! A complete description of the function is found in the parameter sections of this manual. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 98 Alarm [9]. Commonly Used Parameters See the parameter description in the section Programming Guide, MG.11.CX.YY For a detailed information about settings and programming, please see the VLT HVAC Drive x=version number y=language ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 99 Part of Language package 3 Romanian Part of Language package 3 Magyar Part of Language package 3 Czech Part of Language package 3 Polski Part of Language package 4 Russian Part of Language package 3 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 100 Enter the nominal motor current value from the motor nameplate data. This data is used for cal- dependent* culating motor torque, motor thermal protection, etc. NOTE! This parameter cannot be adjusted while the motor is running. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 101 Current Limit Ramp 1 Ramp-up Time in par. 4-18 . See ramp-up time in par. 3-41 tdec nnorm par × .1 − 25 .3 − 42 = ref rpm ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 102 Any changes in par. 4-13 Motor Speed High Limit [RPM] will reset the value in par. 4-53 Warning Speed High to the same value as set Motor Speed High Limit [RPM] in par. 4-13 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 103 The jog speed is a fixed output speed at which the adjustable frequency drive is running when the dependent* jog function is activated. See also par. 3-80 Jog Ramp Time Application [Application dependant] dependent* 6-10 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 104: Function Set-Ups
Figure 6.4: Step 3: Use the up/down navigation keys to scroll down to Function set-ups. Press [OK]. Figure 6.5: Step 4: Function set-ups choices appear. Choose Q3-1 General Settings . Press [OK]. 6-11 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 105 Terminal 53 Low Current Par. 5-15 Terminal 33 Digital Input Par. 6-13 Terminal 53 High Current Terminal 53 Low Ref./Feedb. Value Par. 6-14 Terminal 53 High Ref./Feedb. Value Par. 6-15 6-12 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 106 PID Integral Time Par. 20-94 Closed-loop Type Par. 20-70 PID Performance Par. 20-71 Par. 20-72 PID Output Change Par. 20-73 Minimum Feedback Level Maximum Feedback Level Par. 20-74 PID Autotuning Par. 20-79 6-13 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 107 (e.g., constant pressure or flow). The PID controller must be configured in par. 20-** or via the function set-ups accessed by pressing the [Quick Menu] button. NOTE! This parameter cannot be changed when the motor is running. 6-14 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 108 Design Guide. After a normal sequence, the display will read: “Press [OK] to finish AMA”. After pressing the [OK] key, the adjustable frequency drive is ready for operation. 6-15 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 109 0 Hz. Disable [0] * Disabled Select [0] if this function is not required Enabled Select Enable [1] to enable the adjustable frequency drive to “catch” and control a spinning motor. 6-16 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 110 ETR (Electronic Thermal Relay) functions 1-4 will calculate the load when the set-up where they were selected is active. For example, ETR-3 starts calculating when Set-up 3 is selected. For the North American market: The ETR functions provide class 20 motor overload protection in accordance with NEC. 6-17 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 111 Manual In order to maintain PELV, all connections made to the control terminals must be PELV, e.g., thermistor must be reinforced/ double- insulated. NOTE! Danfoss recommends using 24 VDC as thermistor supply voltage. 1-93 Thermistor Source Option: Function: Select the input to which the thermistor (PTC sensor) should be connected. An analog input option...
Page 112 The Minimum Reference value and unit matches the configuration choice made Configuration Mode Reference/Feedback Unit in par. 1-00 and par. 20-12 , respectively. NOTE! This parameter is used in open-loop only. 6-19 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 113 No function [1] * Analog input 53 Analog input 54 Pulse input 29 Pulse input 33 [20] Digital pot.meter [21] Analog input X30/11 [22] Analog input X30/12 [23] Analog Input X42/1 6-20 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 114 01 or 02. Program the upper signal limit of the motor speed, n , within the normal HIGH working range of the adjustable frequency drive. Refer to the drawing in this section. 6-21 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 115 Option: Function: [0] * Input Defines terminal 29 as a digital input. Output Defines terminal 29 as a digital output. This parameter cannot be adjusted while the motor is running. 6-22 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 116 Reset Counter B [65] Sleep Mode [66] Reset Maintenance Word [78] Lead Pump Start [120] Lead Pump Alternation [121] Pump 1 Interlock [130] Pump 2 Interlock [131] Pump 3 Interlock [132] 6-23 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 117 [10] Alarm or warning [12] Current limit [21] Thermal warning [22] Ready,no thermal W [24] Ready, voltage OK [26] Bus OK [122] No alarm [125] Hand mode [126] Auto mode 6-24 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 118 [3] overruled to jog speed • [4] overruled to max. speed • [5] overruled to stop with subsequent trip [0] * Freeze output Stop Jogging Max. speed Stop and trip 6-25 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 119 53. A high time constant value improves dampening but also increases the time delay through the filter. This parameter cannot be adjusted while the motor is running. 6-26 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 120 I/O system (e.g., when used not as part of any adjustable frequency drive related control functions, but for feeding a building management system with data). Disabled [1] * Enabled 6-27 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 121 Values for setting the minimum reference are found in open-loop par. 3-02 and for closed-loop par. 20-13 Feedb. Maximum Reference Maximum Reference/ - values for maximum reference for open-loop are found in par. 3-03 and for closed-loop par. 20-14 Feedb. 6-28 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 122 Output signal 0 or 4 mA is needed at 0% (50% of range) - set par. 6-51 to 50% Output signal 20 mA is needed at 100% (75% of range) - set par. 6-52 Terminal 42 Output Max Scale to 75% 6-29 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 123 2.0 kHz 2.5 kHz 3.0 kHz 3.5 kHz 4.0 kHz [7] * 5.0 kHz 6.0 kHz 7.0 kHz [10] 8.0 kHz [11] 10.0 kHz [12] 12.0 kHz [13] 14.0 kHz 6-30 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 124 Pressure to flow is used in applications where the air flow in a duct is to be controlled. The feedback signal is represented by a dynamic pressure measurement (pitot tube). 6-31 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 125 See par. 20-00 for details. [0] * No function Analog input 53 Analog input 54 Pulse input 29 Pulse input 33 Analog input X30/11 Analog input X30/12 Analog Input X42/1 6-32 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 126 3-1*) will be used as the PID Controller’s setpoint reference. Minimum [3] * Minimum [3] sets up the PID controller to compare Feedback 1, Feedback 2 and Feedback 3 and use the lowest value as the feedback. 6-33 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 127 Feedback 1 Source Any unused feedback must be set to “No function” in its Feedback Source parameter: Par. 20-00 par. 20-03 Feedback 2 Source or par. 20-06 Feedback 3 Source 6-34 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 128 , the PID controller will increase the speed of the fan if any one of the feedbacks is below its setpoint and decrease the speed of the fan if all feedbacks are above their individual setpoints. 6-35 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 129 The proportional band (error causing output to change from 0–100%) can be calculated by means of the formula: × ( Max Reference Proportional Gain NOTE! Maximum Reference/Feedb. Always set the desired for par. 20-14 before setting the values for the PID controller in par. group 20-9*. 6-36 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 130 If the drive is equipped with a constant speed bypass with an automatic bypass function that starts the bypass if the drive experiences a persistent alarm condition, be sure to disable the bypass’ automatic bypass function, if [3] Alarm is selected as the No-Flow Function. 6-37 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 131 Only to be used if par. 1-00 Configuration Mode is set for open-loop and speed reference is applied by an external controller. Set the reference speed at which sleep mode should be canceled. 6-38 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 132 The timer will start counting following a normal start command (Start/Jog/Freeze). The timer will be overridden by a Coast (Inverse) or an External Interlock command. 6-39 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 133 ) will determine other parameters available for programming. For example, selecting Closed-loop enables additional parameters related to closed-loop operation. Option cards added to the unit enable additional parameters associated with the option device. 6-40 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 134 After selecting a parameter group, choose a parameter by means of the navigation keys. The middle section on the GLCP display shows the parameter number and name, as well as the selected parameter value. Figure 6.10: Display example. 6-41 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 135: How To Program The Active Filter
Harmonic Drive. Before changing the setting in par. 5-00 to NPN mode, the wire connected to 24 V (control terminal 12 or 13) must be changed to terminal 20 (ground). 6-42 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 136: Parameter Lists - Adjustable Frequency Drive
8-xx Comm. and Options 20-xx FC Closed-loop 9-xx Profibus 21-xx Ext. Closed-loop 22-xx Application Functions 23-xx Time Based Functions 24-xx Application Functions 2 25-xx Cascade Controller 26-xx Analog I/O Option MCB 109 6-43 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 137: Operation And Display
Uint8 TimeOf- 0-82 Additional Working Days ExpressionLimit 1 set-up TRUE TimeOf- 0-83 Additional Non-Working Days ExpressionLimit 1 set-up TRUE 0-89 Date and Time Readout 0 N/A All set-ups TRUE VisStr[25] 6-44 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 138: Load / Motor
Motor Thermal Protection [4] ETR trip 1 All set-ups TRUE Uint8 1-91 Motor External Fan [0] No All set-ups TRUE Uint16 1-93 Thermistor Source [0] None All set-ups TRUE Uint8 6-45 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 139: Brakes
[0] Off All set-ups TRUE Uint8 3-93 Maximum Limit 100 % All set-ups TRUE Int16 3-94 Minimum Limit All set-ups TRUE Int16 3-95 Ramp Delay ExpressionLimit All set-ups TRUE TimD 6-46 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 140: Limits / Warnings
4-62 Bypass Speed to [RPM] ExpressionLimit All set-ups TRUE Uint16 4-63 Bypass Speed To [Hz] ExpressionLimit All set-ups TRUE Uint16 4-64 Semi-Auto Bypass Set-up [0] OFF All set-ups FALSE Uint8 6-47 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 141: Digital In / Out
Pulse Out #29 Timeout Preset 0.00 % 1 set-up TRUE Uint16 5-97 Pulse Out #X30/6 Bus Control 0.00 % All set-ups TRUE 5-98 Pulse Out #X30/6 Timeout Preset 0.00 % 1 set-up TRUE Uint16 6-48 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 142: Analog In / Out
Terminal X30/8 Max. Scale 100.00 % All set-ups TRUE Int16 6-63 Terminal X30/8 Output Bus Control 0.00 % All set-ups TRUE 6-64 Terminal X30/8 Output Timeout Preset 0.00 % 1 set-up TRUE Uint16 6-49 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 143: Communication And Options
All set-ups TRUE Uint16 8-94 Bus Feedback 1 0 N/A 1 set-up TRUE 8-95 Bus Feedback 2 0 N/A 1 set-up TRUE 8-96 Bus Feedback 3 0 N/A 1 set-up TRUE 6-50 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 144: Profibus
Uint16 10-33 Store Always [0] Off 1 set-up TRUE Uint8 10-34 DeviceNet Product Code 120 N/A 1 set-up TRUE Uint16 10-39 Devicenet F Parameters 0 N/A All set-ups TRUE Uint32 6-51 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 145: Lonworks
13-44 Logic Rule Boolean 3 null 2 set-ups TRUE Uint8 13-5* States 13-51 SL Controller Event null 2 set-ups TRUE Uint8 13-52 SL Controller Action null 2 set-ups TRUE Uint8 6-52 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 146: Special Functions
Function at Overtemperature [0] Trip All set-ups TRUE Uint8 14-61 Function at Inverter Overload [0] Trip All set-ups TRUE Uint8 14-62 Inv. Overload Derate Current 95 % All set-ups TRUE Uint16 6-53 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 147: Fc Information
All set-ups FALSE Uint16 15-93 Modified Parameters 0 N/A All set-ups FALSE Uint16 15-98 Drive Identification 0 N/A All set-ups FALSE VisStr[40] 15-99 Parameter Metadata 0 N/A All set-ups FALSE Uint16 6-54 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 148: Data Readouts
16-94 Ext. Status Word 0 N/A All set-ups FALSE Uint32 16-95 Ext. Status Word 2 0 N/A All set-ups FALSE Uint32 16-96 Maintenance Word 0 N/A All set-ups FALSE Uint32 6-55 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 149: Info & Readouts
0.000 N/A All set-ups FALSE Int16 18-35 Analog Out X42/11 [V] 0.000 N/A All set-ups FALSE Int16 18-5* Ref. & Feedb. 18-50 Sensorless Readout [unit] 0.000 SensorlessUnit All set-ups FALSE Int32 6-56 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 150: Ext. Closed-Loop
Ext. 3 Integral Time 10000.00 s All set-ups TRUE Uint32 21-63 Ext. 3 Differentation Time 0.00 s All set-ups TRUE Uint16 21-64 Ext. 3 Dif. Gain Limit 5.0 N/A All set-ups TRUE Uint16 6-57 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 151: Application Functions
Pressure at Rated Speed 999999.999 N/A All set-ups TRUE Int32 22-89 Flow at Design Point 0.000 N/A All set-ups TRUE Int32 22-90 Flow at Rated Speed 0.000 N/A All set-ups TRUE Int32 6-58 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 152: Time-Based Funtions
2 set-ups TRUE Uint32 23-82 Investment 0 N/A 2 set-ups TRUE Uint32 23-83 Energy Savings 0 kWh All set-ups TRUE Int32 23-84 Cost Savings 0 N/A All set-ups TRUE Int32 6-59 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 153: Application Functions
Locked Rotor Coefficient 2 0.0000 N/A All set-ups TRUE Int32 24-98 Locked Rotor Coefficient 3 0.0000 N/A All set-ups TRUE Int32 24-99 Locked Rotor Coefficient 4 0.000 N/A All set-ups TRUE Int32 6-60 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 154: Cascade Controller
Reset Relay Counters [0] Do not reset All set-ups TRUE Uint8 25-9* Service 25-90 Pump Interlock [0] Off All set-ups TRUE Uint8 25-91 Manual Alternation 0 N/A All set-ups TRUE Uint8 6-61 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 155: Analog I / O Option Mcb
Terminal X42/11 Max. Scale 100.00 % All set-ups TRUE Int16 26-63 Terminal X42/11 Bus Control 0.00 % All set-ups TRUE 26-64 Terminal X42/11 Timeout Preset 0.00 % 1 set-up TRUE Uint16 6-62 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 156: Parameter Lists - Active Filter
[0] Full access 1 set-up TRUE Uint8 0-65 Quick Menu Password 200 N/A 1 set-up TRUE Int16 0-66 Access to Quick Menu w/o Password [0] Full access 1 set-up TRUE Uint8 6-63 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 157: Digital In/Out 5
Max Inter-Char Delay 25 ms 1 set-up TRUE Uint16 8-5* Digital/Bus 8-53 Start Select [3] Logic OR All set-ups TRUE Uint8 8-55 Set-up Select [3] Logic OR All set-ups TRUE Uint8 6-64 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 158: Special Functions 14
Int32 14-5* Environment 14-50 RFI filter [1] On 1 set-up FALSE Uint8 14-53 Fan Monitor [1] Warning All set-ups TRUE Uint8 14-54 Bus Partner 1 N/A 2 set-ups TRUE Uint16 6-65 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 159: Fc Information 15
All set-ups FALSE Uint16 15-93 Modified Parameters 0 N/A All set-ups FALSE Uint16 15-98 Unit Identification 0 N/A All set-ups FALSE VisStr[40] 15-99 Parameter Metadata 0 N/A All set-ups FALSE Uint16 6-66 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 160: Data Readouts 16
300-29 Start Auto CT Detection [0] Off All set-ups FALSE Uint8 300-3* Compensation 300-30 Compensation Points 0.0 A All set-ups TRUE Uint32 300-35 Cos-phi Reference 0.500 N/A All set-ups TRUE Uint16 6-67 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 161: Af Readouts301
301-2* Line Power Status 301-20 Line Power Current [A] All set-ups TRUE Int32 301-21 Line Power Frequency 0 Hz All set-ups TRUE Uint8 301-22 Fund. Line Power Current [A] All set-ups TRUE Int32 6-68 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 162: Installation And Set-Up
To prevent impedance mismatch, always use the same type of cable throughout the entire network. When connecting a motor to the adjustable frequency drive, always use shielded motor cable. Cable: Shielded twisted pair (STP) Impedance: 120 Ohm Cable length: Max. 3,396 ft [1200 m] (including drop lines) Max. 1,640 ft [500 m] station-to-station ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 163 Connect the cable screen to the cable clamps. NOTE! Shielded, twisted-pair cables are recommended in or- der to reduce noise between conductors. Figure 7.2: Control card terminals Figure 7.1: Network Terminal Connection ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 164 (8 inches) is sufficient, but keeping the greatest possible distance between the cables is generally recommended, especially where cables run in parallel over long distances. When crossing is unavoidable, the RS-485 cable must cross motor and brake resistor cables at an angle of 90 degrees. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 165: Network Configuration
Manual The adjustable frequency drive protocol, also referred to as adjustable frequency drive bus or standard bus, is the Danfoss standard serial communication bus. It defines an access technique according to the master-slave principle for communications via a serial bus.
Page 166: Fc Protocol Message Framing Structure
The address range of the adjustable frequency drive is either 1-31 or 1-126. 1. Address format 1-31: Bit 7 = 0 (address format 1-31 active) Bit 6 is not used Bit 5 = 1: Broadcast, address bits (0-4) are not used ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 167 The parameter block is used to transfer parameters between master and slave. The data block is made up of 12 bytes (6 words) and also contains the process block. Text block: The text block is used to read or write texts via the data block. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 168 Command cannot be performed text transferred If the command cannot be performed, the slave sends this response: 0111 Command cannot be performed - and issues the following fault report in the parameter value (PWE): ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 169 Some parameters contain text that can be written to via the serial bus. To write a text via the PWE block, set the parameter command (AK) to ’F’ Hex. The index characters high-byte must be “5”. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 170 The block of process words is divided into two blocks of 16 bits, which always occur in the defined sequence. PCD 1 PCD 2 Control message (master⇒slave control word) Reference value Control message (slave ⇒master) Status word Present output frequency ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 171: Examples
Ramp 1 Ramp-up Time 3E8 Hex corresponds to 1000 decimal. The conversion index for par. 3-41 is -2, i.e., 0.01. Ramp 1 Ramp-up Time Unsigned 32 par. 3-41 is of the type 7-10 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 172: How To Access Parameters
Non standard data types are text strings stored as 4x registers (40001–4FFFF). The parameters are read using function 03HEX "Read Holding Registers" and written using function 10HEX "Preset Multiple Registers." Readable sizes range from 1 register (2 characters) up to 10 registers (20 characters). 7-11 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 173 VLT HVAC Low Harmonic Drive Instruction 7 RS-485 Installation and Set-up Manual 7-12 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 174: General Specifications
< 14 V DC Maximum voltage on input 28 V DC Input resistance, R approx. 4 kΩ All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 175 Accuracy on analog output Max. error: 0.8% of full scale Resolution on analog output 8 bit The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 176 Control card, 10 V DC output: Terminal number Output voltage 10.5 V ±0.5 V Max. load 25 mA The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 177 Monitoring of the intermediate circuit voltage ensures that the adjustable frequency drive trips if the intermediate circuit voltage is too low or too high. • The adjustable frequency drive is protected against ground faults on motor terminals U, V, W. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 178 Estimated filter losses, 460 V 5279 5819 6681 Weight, enclosure IP21, IP 54 [kg] Efficiency 0.96 Output frequency 0–800 Hz Heatsink overtemp. trip 230°F [110°C] 230°F [110°C] 230°F [110°C] Power card ambient trip 140°F [60°C] ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 179 Estimated filter losses, 460 V 6670 7023 7697 8099 Weight, enclosure IP21, IP 54 [kg] 0.96 Efficiency Output frequency 0–600 Hz Heatsink overtemp. trip 230°F [110°C] Power card ambient trip 154.4°F [68°C] ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 180 (Though typical, only 4 W extra for a fully loaded control card, or options for slot A or slot B, each.) Although measurements are made with state of the art equipment, some measurement inaccuracy must be allowed for (+/-5%). ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 181: Filter Specifications
Settling time - harmonic current control < 20 (filtering) [ms] Overshoot - reactive current control [%] < 20 Overshoot - harmonic current control < 10 Table 8.1: Power Ranges (LHD with AF) ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 182: Troubleshooting
. After an alarm or trip, the motor carries on coasting, and the alarm and warning flash on the adjustable frequency drive. Once the problem has been rectified, only the alarm continues flashing. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 183 AMA low I AMA motor too big AMA motor too small AMA Parameter out of range AMA interrupted by user AMA timeout AMA internal fault Current limit Table 9.1: Alarm/Warning code list ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 184 A trip lock is an action that occurs in conjunction with an alarm, which may cause damage to the adjustable frequency drive or connected parts. A trip lock situation can only be reset by power cycling. LED indication Warning yellow Alarm flashing red Trip locked yellow and red Table 9.3: LED Indication ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 185 The alarm words, warning words and extended status words can be read out via serial bus or optional serial communication bus for diagnosis. See also Alarm Word Warning Word Ext. Status Word par. 16-90 , par. 16-92 and par. 16-94 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 186: Fault Messages
WARNING/ALARM 10, Motor overload temperature According to the electronic thermal protection (ETR), the motor is too hot. Select whether the adjustable frequency drive gives a warning or an ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 187 Motor External Fan The setting in par. 1-91 or software. Automatic Motor Adaptation (AMA) Run AMA in par. 1-29 Record the value of the following parameters and contact your Danfoss supplier: WARNING/ALARM 11, Motor thermistor overtemp Par. 15-40 FC Type The thermistor or the thermistor connection is disconnected.
Page 188 This warning is active if the output frequency has reached the high limit Process Control, Closed- (set in par. 4-53) or low limit (set in par. 4-52). In loop (par. 1-00) this warning is displayed. ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 189 Missing io_statepage from power unit ALARM 38, Internal fault 2324 Power card configuration is determined to be incorrect It may be necessary to contact your Danfoss supplier. Some typical alarm at power-up messages: 2330 Power size information between the power cards does not match Serial port cannot be initialized.
Page 190 The 24 V DC is measured on the control card. The external V DC backup WARNING/ALARM/TRIP 65, Control card overtemperature power supply may be overloaded, otherwise contact your Danfoss sup- Control card overtemperature: The cutout temperature of the control plier.
Page 191 2 = right inverter module in F1 or F3 drive. 3 = right inverter module in F2 or F4 drive. 3 = right inverter module in F2 or F4 drive. 5 = rectifier module. 5 = rectifier module. 9-10 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 192 EEPROM. Se- Typecode Setting lect the correct type code in par. SP-23 according to the label on the unit. Remember to select ‘Save to EEPROM’ to complete. 9-11 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 193: Alarms And Warnings - Filter (Left Lcp)
If a warning and alarm is marked against a code in the table on the following page, this means that either a warning occurs before an alarm, or it can be specified whether it is a warning or an alarm that is to be displayed for a given fault. 9-12 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 194 A trip lock situation can only be reset by power cycling. 9-13 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 195 Warning Word and par. 16-94 Ext. Status Word . “Reserved” means that the bit is not guaranteed to be any particular value. Reserved bits should not be used for any purpose. 9-14 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 196 The maximum temperature of the heatsink has been exceeded. The tem- One or more options have either been added or removed since the last perature fault will not be reset until the temperature falls below a defined power-down. heatsink temperature. 9-15 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 197 An error was detected while performing auto CT detection. Contact your The temperature of the rectifier heatsink is too low. This could indicate supplier. that the temperature sensor is defective. 9-16 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 198 The Auto CT function could not determine the correct polarity of the CTs. ALARM 318, CT Ratio Error The Auto CT function could not determine the correct primary rating of the CTs. 9-17 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 199 VLT HVAC Low Harmonic Drive Instruction 9 Troubleshooting Manual 9-18 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 200: Index
Control Card Performance Control Card, 10 V Dc Output Control Card, 24 V Dc Output Control Card, Rs-485 Serial Communication: Control Card, Usb Serial Communication Control Characteristics Control Terminals 4-53 Cooling 6-17 10-1 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 201 Grounding 4-42 How To Connect A Pc To The Adjustable Frequency Drive 5-10 How To Operate The Graphical Lcp (glcp) Iec Emergency Stop With Pilz Safety Relay 4-31 Index (ind) 10-2 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 202 Minimum Sleep Time 22-41 6-38 Motor Bearing Currents 4-51 Motor Cable 4-44 Motor Current 1-24 Motor Frequency 1-23 Motor Nameplate 4-60 Motor Nominal Speed 1-25 Motor Output [Motor Power Hp] 1-21 10-3 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 203 Ramp 1 Ramp-down Time 3-42 Ramp 1 Ramp-up Time 3-41 Rcd (residual Current Device) 4-31 Receiving The Adjustable Frequency Drive Reference 1 Source 3-15 6-20 Reference 2 Source 3-16 6-21 Relay Outputs 10-4 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 204 6-27 Terminal 54 Low Voltage 6-20 6-27 Terminal Locations - Frame Size D Thermistor 6-17 Thermistor Source 1-93 6-18 Torque 4-43 Torque Characteristics 1-03 6-15, 8-1 Torque For Terminals 4-43 10-5 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...
Page 205 Voltage Reference Via A Potentiometer 4-56 [Wake-up Speed Rpm] 22-42 6-38 Warning Against Unintended Start Warning Feedback High 4-57 6-22 Warning Feedback Low 4-56 6-22 Warning Speed High 4-53 6-21 Wire Access 4-13 10-6 ® MG.16.A1.22 - VLT is a registered Danfoss trademark...

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