Vacon 100 Applications Manual
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Vacon 100 Applications Manual

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  • Page 1 100 hvac drives application manual...

  • Page 2: Table Of Contents

    3.4.5 PID2 controller monitoring ..................... 29 3.4.6 Multi-pump monitoring....................29 3.4.7 Fieldbus data monitoring ....................30 Vacon HVAC Application - Application parameter lists ..........31 3.5.1 Column explanations ...................... 31 3.5.2 Parameter programming....................32 3.5.3 Group 3.1: Motor settings ....................34 3.5.4 Group 3.2: Start/Stop setup ....................
  • Page 3 • 1 3.5.15 Group 3.13: PID-controller 2................... 60 3.5.16 Group 3.14: Multi-pump ....................62 3.5.17 Group 3.15: Fire mode..................... 63 HVAC Application - Additional parameter information ..........64 HVAC Application - Fault tracing ..................87 3.7.1 Fault appears ........................87 3.7.2 Fault history ........................

  • Page 4: Vacon 100 - Startup

    Back/Reset button. Pressing this button, you can return to the previous question in RESET the Wizard. If pressed at the first question, the Startup Wizard will be cancelled. Once you have connected power to your Vacon 100 frequency converter, follow these instruc- tions to easily set up your drive. Suomi...
  • Page 5 • 3 Vacon 100 - Startup Run Startup Wizard? STOP NotRDY Keypad  Startup Wizard? Push the OK button unless you want to set all parameter values manually. Pump Choose your process STOP NotRDY Keypad  Fan or Pump?

  • Page 6: Pid Mini-Wizard

    See page 42. Keypad setpoint Sleep function? If option ‘Yes’ is selected you will be prompted for three more values: Sleep frequency limit 1 0.00...320.00 Hz Sleep delay 1 0...3000 s 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 7: Multi-Pump Mini-Wizard

    • 5 Vacon 100 - Startup Range depends on selected pro- Wake-up level 1 cess unit. Multi-pump mini-wizard The Multi-Pump mini-wizard asks the most important questions for setting up a Multi-Pump system. The PID mini-wizard always precedes the Multi-Pump mini-wizard. The keypad will guide you through the questions as in chapter 1.2 then to be followed by the set of questions...
  • Page 8 Vacon 100 - Startup vacon • 6 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 9: Vacon Graphical Keypad - Introduction

    ACON GRAPHICAL KEYPAD INTRODUCTION The control keypad is the interface between the Vacon 100 frequency converter and the user. It features an LCD display and 9 buttons. With the control keypad it is possible to control the speed of a motor, to supervise the state of the equipment and to set the frequency converter's parameters.

  • Page 10: Keypad Display

    ( 17 ) Activated group/item. Press OK to enter.  Monitor ( 5 ) Parameters  Number of items in the group ( 12 ) Figure 2. Main menu 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 11: Using The Keypad

    • 9 Vacon graphical keypad - introduction Using the keypad 2.3.1 Editing values Change value of a parameter following the procedure below: 1. Locate the parameter. Edit 2. Enter the mode. 3. Set new value with the arrow buttons up/down. You can also move from digit to digit with the arrow buttons left/right if the value is numerical and change then the value with the arrow buttons up/down.

  • Page 12: Local/Remote Control Button

     Local/Remote Remote Remote ( 15 )  Diagnostics ( 6 ) STOP READY Main Menu  Monitor ( 7 ) Parameters  ( 15 )  Diagnostics ( 6 ) 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 13: Help Texts

    2.3.4 Help texts The Vacon graphic keypad features instant help and information displays for various items. All parameters offer an instant help display. Select Help and press the OK button. Text information is also available for faults, alarms and the startup wizard.

  • Page 14: Adding Item To Favourites

    Edit favorites. Press OK 230.00 V to continue. Motor Nom Freq Help 50.00 Hz Motor Nom Speed Add to favorites 1430 rpm Figure 4. Adding item to Favourites 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 15: Menu Structure

    • 13 Vacon graphical keypad - introduction Menu structure Click on and select the item you wish to receive more information about (electronic manual). Quick setup See chapter 3.3. Monitor Multi-monitor Basic Timer functions PID Controller 1 PID Controller 2...

  • Page 16: Quick Setup

    Monitoring of values related to the use of several drives. See chapter 3.4.6. Fieldbus data Fieldbus data shown as monitor values for debugging purposes at e.g. fieldbus commissioning. See chapter 3.4.7. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 17: Parameters

    • 15 Vacon graphical keypad - introduction 2.4.3 Parameters Through this submenu, you can reach the application parameter groups and parameters. More information on parameters in chapter 3. 2.4.4 Diagnostics Active faults Reset faults Fault history Counters Software Under this menu, you can find info.
  • Page 18 Table 3. Diagnostics menu, Trip counters parameters 2.4.4.6 Software info Code Parameter Unit Default Description M4.6.1 Software package M4.6.4 System load 2300 Load on control unit CPU. Table 4. Diagnostics menu, Software info parameters 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 19: I/O And Hardware

    • 17 Vacon graphical keypad - introduction 2.4.5 I/O and hardware Various options-related settings are located in this menu. 2.4.5.1 Basic I/O Monitor here the statuses of inputs and outputs. Code Parameter Unit Default Description M5.1.1 Digital input 1 Status of digital input signal M5.1.2...
  • Page 20 Submenu level 2 Submenu level 3 RS-485 Common settings Protocol Modbus RTU Modbus parameters Modbus monitoring N2 parameters N2 monitoring BACNetMSTP BACNet parameters BACNet monitoring Ethernet Common settings Modbus/TCP Modbus/TCP parameters Modbus/TCP monitoring 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 21: User Settings

    • 19 Vacon graphical keypad - introduction 2.4.6 User settings Code Parameter Unit Default Description 1 = English 2 = Suomi M6.1 Language selections 3 = Deutsch 4 = Svenska M6.2 Application selection M6.5 Parameter backup See chapter 2.4.6.1 below.

  • Page 22: Favourites

    To remove an item or a parameter from the Favourites folder, do the following: STOP READY STOP READY  Favourites  Motor Nom Freq Monitor Motor Nom Freq 50.00 Hz Help Rem from favorites 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 23 • 21 Vacon graphical keypad - introduction Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205...

  • Page 24: Vacon Hvac Drive Application

    3.6. Specific functions of Vacon HVAC drive The Vacon HVAC drive is an easy-to-use application for not only basic Pump and Fan applica- tions where only one motor and one drive is needed but also offers extensive possibilities for PID control.

  • Page 25: Example Of Control Connections

    Differential receiver/trans- RS485 mitter To Relay board 1 or 2 Selectable with DIP switches, see Vacon 100 Installa- tion Manual Digital inputs can be disconnected from ground. See Installation Manual. Table 10. Connection example, basic I/O board Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205...
  • Page 26 RO1/1 NC Relay output 1 RUN RO1/2 CM RO1/3 NO RO2/1 NC Relay output 2 FAULT RO2/2 CM RO2/3 NO TI1+ Thermistor input TI1- Table 12. Connection example, Relay board 2 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 27: Hvac Application - Quick Setup Parameter Group

    • 25 VACON HVAC Drive Application HVAC Application - Quick setup parameter group The Quick Setup parameter group is a collection of parameters that are most commonly used during installation and commissioning. They are collected in the first parameter group so that they can be found fast and easily.
  • Page 28 • 26 0 = Inactive M1.18 Multi-Pump Wizard 1 = Activate See chapter 1.3. 0 = Inactive M1.19 Startup Wizard 1 = Activate See chapter 1.1. Table 13. Quick setup parameter group 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 29: Monitor Group

    • 27 VACON HVAC Drive Application Monitor group Vacon 100 AC drive provides you with a possibility to monitor the actual values of parameters and signals as well as statuses and measurements. Some of the values to be monitored are customizable.

  • Page 30: Timer Functions Monitoring

    Remaining time on timer if active M2.3.8 Timer 2 1448 Remaining time on timer if active M2.3.9 Timer 3 1449 M2.3.10 Real time clock 1450 Table 15. Monitoring of timer functions 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 31: Pid1 Controller Monitoring

    • 29 VACON HVAC Drive Application 3.4.4 PID1 controller monitoring Monitoring value Unit Description M2.4.1 PID1 setpoint Varies Process units selected with parameter M2.4.2 PID1 feedback Varies Process units selected with parameter M2.4.3 PID1 error value Varies Process units selected with parameter M2.4.4 PID1 output...

  • Page 32: Fieldbus Data Monitoring

    Depending on the FB type or profile the data can be modified before sent to the FB. M2.8.12 FB speed actual Actual speed in %. 0 and 100% correspond to mini- mum and maximum frequencies respectively. This is continuously updated depending on the momen- tary min and max frequencies and the output fre- quency.

  • Page 33: Vacon Hvac Application - Application Parameter Lists

    • 31 VACON HVAC Drive Application Vacon HVAC Application - Application parameter lists Find the parameter menu and the parameter groups as guided below. STOP READY Keypad STOP READY Keypad  Parameters Main Menu M3.1 Motor Settings Quick Setup ...

  • Page 34: Parameter Programming

    ‘DigIN’ stands for digital input. ‘Slot_’ refers to the board; A and B are Vacon AC drive basic boards, D and E are option boards (see Figure 6). The parameter (signal) is not connected to any terminal, i.e. it is not used, if, in- stead of a letter, the word Slot is followed by a ‘0’...
  • Page 35 • 33 VACON HVAC Drive Application EXAMPLE: Control signal 2 A You want to connect the (parameter M3.5.1.2) to digital input DI2 on Basic I/O board. Control signal 2 A Locate the parameter (M3.5.1.2) on the keypad. STOP READY...

  • Page 36: Group 3.1: Motor Settings

    This parameter sets the M3.1.1.1 Motor nominal voltage Varies Varies Varies voltage at the field weaken- ing point to 100% * U nMotor . Note also used connection (Delta/Star). Find this value f n on the rat- Motor nominal fre- M3.1.1.2 8.00...
  • Page 37 • 35 VACON HVAC Drive Application 3.5.3.2 Motor Control Settings Code Parameter Unit Default Description Motor noise can be mini- mised using a high switch- ing frequency. Increasing the switching frequency reduces the capacity of the M3.1.2.1 Switching frequency...

  • Page 38: Group 3.2: Start/Stop Setup

    Ctrl sgn 1 = Start (edge) Ctrl sgn 2 = Reverse I/O B start/stop M3.2.7 See above. logic 0=Rising edge required M3.2.8 Fieldbus start logic 1=State Table 23. Start/Stop Setup menu 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 39: Group 3.3: Control Reference Settings

    • 37 VACON HVAC Drive Application 3.5.5 Group 3.3: Control reference settings Code Parameter Unit Default Description Minimum allowed frequency M3.3.1 Minimum frequency 0.00 M3.3.2 0.00 reference Maximum allowed frequency M3.3.2 Maximum frequency M3.3.1 320.00 50.00 reference Selection of ref source when...
  • Page 40 Motor potentiometer fre- quency reference reset logic. Motor potentiometer M3.3.21 0 = No reset reset 1 = Reset if stopped 2 = Reset if powered down Table 24. Control reference settings 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 41: Group 3.4: Ramp & Brakes Setup

    • 39 VACON HVAC Drive Application 3.5.6 Group 3.4: Ramp & Brakes Setup Code Parameter Unit Default Description M3.4.1 Ramp 1 shape 10.0 S-curve time ramp 1 Defines the time required for the output frequency to M3.4.2 Acceleration time 1 300.0...

  • Page 42: Group 3.5: I/O Configuration

    See above FALSE = No boost M3.5.1.21 PID1 setpoint boost DigIN Slot0.1 1047 TRUE = Boost FALSE = Setpoint 1 M3.5.1.22 PID1 select setpoint DigIN Slot0.1 1046 TRUE = Setpoint 2 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 43 • 41 VACON HVAC Drive Application FALSE = PID2 in stop mode TRUE = PID2 regulating M3.5.1.23 PID2 start signal DigIN Slot0.2 1049 This parameter will have no effect if PID2 con- troller is not enabled in the Basic menu for...
  • Page 44 AI5 signal range 1 = 2…10V / 4…20mA M3.5.2.28 AI5 custom. min -160.00 160.00 0.00 20% = 4-20 mA/2-10 V M3.5.2.29 AI5 custom. max -160.00 160.00 100.00 Custom range max setting 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 45 • 43 VACON HVAC Drive Application 0 = Normal M3.5.2.30 AI5 signal inversion 1 = Signal inverted AnIN See M3.5.2.13. Programma- M3.5.2.31 AI6 signal selection Slot0.1 M3.5.2.32 AI6 signal filter time 0.00 300.00 See M3.5.2.14. 0 = 0…10V / 0…20mA M3.5.2.33...
  • Page 46 0.00 320.00 0.00 11006 See M3.5.3.2.3. See M3.5.3.2.1. M3.5.3.2.7 Basic R03 function 11007 Not visible if only 2 output relays are installed Table 28. Digital output settings on basic I/O board 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 47 • 45 VACON HVAC Drive Application 3.5.7.4 Expander slots D and E digital outputs Code Parameter Unit Default Description Shows only parameters for existing outputs in slot D/E. Application dynamic Selections as in Basic R01 output list Not visible if no digital output exists in slot D/E.
  • Page 48 Shows only parameters for existing outputs in slot D/E. Application dynamic Selections as in Basic AO1 output list Not visible if no analogue output exists in slot D/E. Table 31. Slot D/E analogue outputs 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 49: Group 3.6: Fieldbus Data Mapping

    • 47 VACON HVAC Drive Application 3.5.8 Group 3.6: Fieldbus Data Mapping Code Parameter Unit Default Description Data sent to fieldbus can be chosen with parameter and monitor value ID numbers. Fieldbus data out 1 P3.6.1 35000 The data is scaled to unsigned...

  • Page 50: Group 3.7: Prohibit Frequencies

    320,00 0,00 0 = Not used range 3 high limit Multiplier of the currently M3.7.7 Ramp time factor 10,0 Times selected ramp time between prohibit frequency limits. Table 33. Prohibit frequencies 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 51: Group 3.8: Limit Supervisions

    • 49 VACON HVAC Drive Application 3.5.10 Group 3.8: Limit supervisions Choose here: 1. One or two (M3.8.1/M3.8.5) signal values for supervision. 2. Whether the low or high limits are supervised (M3.8.2/M3.8.6) 3. The actual limit values (M3.8.3/M3.8.7). 4. The hystereses for the set limit values (M3.8.4/M3.8.8).

  • Page 52: Group 3.9: Protections

    Slot communication M3.9.14 See M3.9.2 fault M3.9.15 Thermistor fault See M3.9.2 Response to PID1 M3.9.16 See M3.9.2 supervision fault Response to PID2 M3.9.17 See M3.9.2 supervision fault Table 35. Protections settings 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 53: Group 3.10: Automatic Reset

    • 51 VACON HVAC Drive Application 3.5.12 Group 3.10: Automatic reset Code Parameter Unit Default Description 0 = Disabled M3.10.1 Automatic reset 1 = Enabled The start mode for Automatic reset is selected with this M3.10.2 Restart function parameter: 0 = Flying start 1 = According to par.

  • Page 54: Group 3.11: Timer Functions

    2=Time channel 2 3=Time channel 3 3.11.2 INTERVAL 2 M3.11.2.1 ON time 00:00:00 23:59:59 hh:mm:ss 00:00:00 1469 See Interval 1 M3.11.2.2 OFF time 00:00:00 23:59:59 hh:mm:ss 00:00:00 1470 See Interval 1 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 55 • 53 VACON HVAC Drive Application M3.11.2.3 From day 1471 See Interval 1 M3.11.2.4 To day 1472 See Interval 1 M3.11.2.5 Assign to channel 1473 See Interval 1 3.11.3 INTERVAL 3 M3.11.3.1 ON time 00:00:00 23:59:59 hh:mm:ss 00:00:00 1474 See Interval 1 M3.11.3.2...

  • Page 56: Group 3.12: Pid-Controller 1

    If the feedback stays within the dead band area for a pre- M3.12.1.10 Dead band delay 0.00 320.00 0.00 1057 defined time, the output is locked. Table 38. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 57 13 = ProcessDataIn5 14 = ProcessDataIn6 15 = ProcessDataIn7 16 = ProcessDataIn8 AI’s and ProcessDataIn are handled as percent (0.00- 100.00%) and scaled accord- ing to Setpoint minimum and maximum. NOTE: ProcessDataIn use two decimals. Minimum value at analogue M3.12.2.5 Setpoint 1 minimum -200.00...
  • Page 58 0.00 1075 See M3.12.2.7. M3.12.2.15 Sleep delay 2 3000 1076 See M3.12.2.8. M3.12.2.16 Wake-up level 2 Varies 0.0000 1077 See M3.12.2.9. M3.12.2.17 Setpoint 2 boost -2.0 1078 See M3.12.2.10. Table 39. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 59 11 = ProcessDataIn5 12 = ProcessDataIn6 13 = ProcessDataIn7 14 = ProcessDataIn8 AI’s and ProcessDataIn are handled as % (0.00-100.00%) and scaled according to Feedback min and max. NOTE: ProcessDataIn use two decimals. Minimum value at analogue M3.12.3.4 Feedback 1 minimum -200.00...
  • Page 60 The feedforward part does not use any feedback measurements of the actual controlled process value (water level in the example on page 79). Vacon feedfor- ward control uses other measurements which are indirectly affecting the controlled process value.
  • Page 61 • 59 VACON HVAC Drive Application 3.5.14.6 Pressure loss compensation Code Parameter Unit Default Description Enables pressure loss com- pensation for setpoint 1. M3.12.6.1 Enable setpoint 1 1189 0 = Disabled 1 = Enabled Value added proportionally to the frequency.

  • Page 62: Group 3.13: Pid-Controller 2

    Minimum value at analogue M3.13.2.8 Setpoint 2 minimum -200.00 200.00 0.00 1647 signal minimum. Maximum value at analogue M3.13.2.9 Setpoint 2 maximum -200.00 200.00 100.00 1648 signal maximum. Table 45. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 63 • 61 VACON HVAC Drive Application 3.5.15.3 Feedbacks For more detailed information, see chapter 3.5.14. Code Parameter Unit Default Description M3.13.3.1 Feedback function 1650 M3.13.3.2 Feedback function gain -1000.0 1000.0 100.0 1651 Feedback 1 M3.13.3.3 1652 source selection Minimum value at analogue M3.13.3.4 Feedback 1 minimum...

  • Page 64: Group 3.14: Multi-Pump

    With feedback outside the bandwidth, this time must M3.14.9 Bandwidth delay 3600 1098 pass before pumps are added or removed. Table 48. Multi-pump parameters 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 65: Group 3.15: Fire Mode

    • 63 VACON HVAC Drive Application 3.5.17 Group 3.15: Fire mode Drive ignores all commands from keypad, fieldbuses and PC tool and runs at preset frequency when activated. If activated, alarm sign is shown on the keypad and warranty is void. In order...

  • Page 66: Hvac Application - Additional Parameter Information

    • 64 HVAC Application - Additional parameter information Due to its user-friendliness and simplicity of use, the most parameters of the VACON HVAC Drive Application only require a basic description which is given in the parameter tables in chapter 3.5.
  • Page 67 • 65 VACON HVAC Drive Application Output frequency Set frequency 0 Hz Set frequen cy Run enable Ctrl signal 1 Ctrl signal 2 Keypad start button Keypad stop button 100K2 9 Figure 7. I/O A Start/Stop logic = 0...
  • Page 68 CS2 inactivates causing the frequency to drop to the frequency to 0. The run enable signal is con- figured with parameter M3.5.1.10. Start attempt with CS1 is not successful because Run enable signal is still FALSE. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 69 • 67 VACON HVAC Drive Application Selection Selection name Note number CS1: Forward (edge) Shall be used to exclude the possibility of an unintentional CS2: Backward (edge) start. The Start/Stop contact must be opened before the motor can be restarted.
  • Page 70 CS1 activates causing the output frequency to The attempt to start the drive through pushing rise again. The motor runs forward because CS2 the Start button is not successful because CS1 is is inactive. inactive. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 71 • 69 VACON HVAC Drive Application Selection Selection name Note number CS1: Start (edge) Shall be used to exclude the possibility of an unintentional CS2: Reverse start. The Start/Stop contact must be opened before the motor can be restarted.
  • Page 72 The acceleration time is determined with parameters M3.4.2 and M3.4.3. See Figure 12. These parameters are used to reduce mechanical erosion and current spikes when the refer- ence is changed. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 73 • 71 VACON HVAC Drive Application [Hz] M3.4.2, M3.4.3 M3.4.1 M3.4.1 100K27 Figure 12.Acceleration/Deceleration (S-shaped) M3.4.9 LUX BRAKING Instead of DC braking, flux braking is a useful way to raise the braking capacity in cases where additional brake resistors are not needed.
  • Page 74 Activates if the signal value falls below or exceeds the set supervision limit (M3.8.3 or M3.8.7) depend- Limit supervision 2 ing on the selected function. Start command active Start command is active. Reserved Fire mode ON 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 75 • 73 VACON HVAC Drive Application Selection Selection name Description RTC timer 1 control Time channel 1 is used. RTC timer 2 control Time channel 2 is used. RTC timer 3 control Time channel 3 is used. FB Control WordB.13 FB Control WordB.14...
  • Page 76 The cooling in stop stage is based on convection and the time constant is in- creased. See Figure 15. M3.9.10 OTOR THERMAL LOADABILITY FACTOR Setting value to 130% means that the nominal temperature will be reached with 130% of motor nominal current. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 77 • 75 VACON HVAC Drive Application Motor temperature Trip area 105% Motor Fault/alarm current M3.9.6 Time constant T *) Q = (I/I T ) 2 x (1-e -t/T ) Time Motor temperature Changes by motor size and adjusted with M3.9.9 100K13 Figure 15.
  • Page 78 Par.3.10.3 Par .3.10.3 Fault trigger Alarm Reset 1 Reset 2 Autoreset Trial time Trial time Par. 3.10.4 Fault active Number of trials: (M3.10.5 = 2) 100K15.fh11 Figure 16. Automatic reset function 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 79 • 77 VACON HVAC Drive Application M3.12.1.9 EAD BAND HYSTERESIS M3.12.1.10 D EAD BAND DELAY The PID controller output is locked if the actual value stays within the deadband area around the reference for a predefined time. This function will prevent unnecessary movement and wear on actuators, e.g.
  • Page 80 The feedforward part does not use any feedback measurements of the actual controlled process value (water level in the example on page 79). Vacon feedfor- ward control uses other measurements which are indirectly affecting the controlled process value.
  • Page 81 • 79 VACON HVAC Drive Application Level ref Outflow control Level control 100K20.fh11 Figure 19. Feedforward control M3.12.5.1 NABLE PROCESS SUPERVISION Actual value Upper limit M3.12.5.2) Reference Lower limit (M3.12.5.3) Delay (M3.12.5.4) 100K21.fh11 Regulating mode Alarm or fault Figure 20. Process supervision Upper and lower limits around the reference are set.
  • Page 82 (Position 2). However, sensors might, for example, be placed directly af- ter the pump. This will give the right pressure directly after the pump, but farther down in the pipe the pressure will drop depending on the flow. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 83 • 81 VACON HVAC Drive Application M3.12.6.1 NABLE SETPOINT M3.12.6.2 ETPOINT MAX COMPENSATION The sensor is placed in Position 1. The pressure in the pipe will remain constant when we have no flow. However, with flow, the pressure will drop farther down in the pipe. This can be com- pensated by raising the setpoint as the flow increases.
  • Page 84 (parameters M3.5.1.25 to M3.5.1.28). If the input is closed (TRUE) the motor is available for the Multi Pump system, otherwise it will not be connected by the Multi Pump logic. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 85 • 83 VACON HVAC Drive Application EXAMPLE OF THE INTERLOCK LOGIC: If the motor starting order is 1->2->3->4->5 Now, the interlock of motor 3 is removed, i.e. the value of parameter M3.5.1.27 is set to FALSE, the order changes to: 1->2->4->5.
  • Page 86 Figure 25 below. Every motor is controlled with one relay but the contactor logic takes care that the first con- nected motor is always connected to the drive and next to the mains. 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 87 • 85 VACON HVAC Drive Application Mains K1.1 K2.1 K3.1 Motor 1 Motor 2 Motor 3 Motor 1 control Motor 2 control Motor 3 control from relay from relay from relay K1.1 K2.1 K3.1 K1.1 K2.1 K3.1 100K26.fh11 Figure 25.
  • Page 88 Starting order/priority of motors: 1->2->3->4->5 --> Autochange --> Starting order/priority of motors: 2->3->4->5->1 --> Autochange --> Starting order/priority of motors: 3->4->5->1->2 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 89: Hvac Application - Fault Tracing

    • 87 VACON HVAC Drive Application HVAC Application - Fault tracing When an unusual operating condition is detected by the AC drive control diagnostics, the drive initiates a notification visible, for example, on the keypad. The keypad will show the code, the name and a short description of the fault or alarm.

  • Page 90: Fault Codes

    DO NOT RE-CONNECT POWER! • brake resistor short-circuit or Saturation Contact factory. overload If this fault appears simulta- Fault ID: neously with Fault 1, check 60 = Hardware fault motor cables and motor 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...
  • Page 91 Too low temperature measured in Check the heatsink for dust. power unit’s heatsink or board. Heat- Check the ambient tempera- AC drive over- sink temperature is over 100°C. ture. temperature Fault ID: Make sure that the switching 120 = Fault...
  • Page 92 (and the delay if 1101 sion fault (PID1) set). PID controller: Feedback value outside Process supervi- 1105 of supervision limits (and the delay if sion fault (PID2) set). Table 52. Fault codes and descriptions 24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com...

  • Page 93: Fieldbus Process Data Out

    • 91 VACON HVAC Drive Application Fieldbus process data out Values to monitor through fieldbus are: Data Value Scale Process Data Out 1 Output frequency 0.01 Hz Process Data Out 2 Motor speed 1 rpm Process Data Out 3 Motor current 0.1 A...

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