FLOWTECH flowcon VSD H Operation And Maintenance Manual
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FLOWTECH flowcon VSD H Operation And Maintenance Manual

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VSD - H Inverter
OPERATION AND
MAINTENANCE MANUAL
First Publication Date: 01/09/2020
Revision:
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Summary of Contents for FLOWTECH flowcon VSD H

  • Page 1 flow © VSD - H Inverter OPERATION AND MAINTENANCE MANUAL First Publication Date: 01/09/2020 Revision: Revision Date:...

  • Page 2: Table Of Contents

    OPERATION & MAINTENANCE CONTENTS General Information Safety Information Safety Warnings & Precautions Customer / Contractor Responsibilities Protection of the environment Installation Mechanical Installation Electrical Installation Operation Programming Main Menu M40 DIAGNOSTICS M60 SETTINGS M100 BASIC SETTINGS M200 CONF.INVERTER M300 REGULATION M400 SENSOR M500 SEQUENCE CONTR.

  • Page 3: General Information

    General Information These instructions are to assist in the installation of the flowcon VSD - H Inverter please follow them carefully. If, having read this Operation & Maintenance Manual, there is any doubt about any aspect of the installation please don't hesitate to contact our technical team. Definitions of Safety Warnings and Precautions HAND-PAP WARNING!

  • Page 4: Safety Information

    Water Solutions. This document is intended for ALL installers, operators, users and persons carrying out maintenance of this equipment and must be kept with the equipment, for the life of the equipment and made available to all persons at all times.

  • Page 5: Safety Warnings & Precautions

    Safety Warnings & Precautions These instructions should be read and clearly understood before working on the system. Please read this manual carefully and all of the warning signs attached before installing or operating the equipment keep this manual handy for your reference. This equipment should be installed, adjusted and serviced by trained and qualified personnel.

  • Page 6: Customer / Contractor Responsibilities

    exclamat CAUTION! - It is strongly recommended that all electrical equipment conforms to National Electrical Codes and local regulations. Only qualified personnel should perform installation, alignment and maintenance. The manufacturer reserves the right to alter the technical data in order to make improvements or update information. exclamat CAUTION! - Failure to observe these rules will render the guarantee invalid.

  • Page 7: Protection Of The Environment

    Accept the goods with reserve, indicating any findings on the transport document, or Reject the goods, indicating the reason on the transport document. In both cases, promptly contact Flowtech from whom the product was purchased. Inspection of the unit Remove packing materials from the product.
  • Page 8 Lifting diagrams Transportation guidelines Stay clear of suspended loads. Observe accident prevention regulations in force. Do not damage the cables during transport; do not squeeze, bend or drag the cable. Always keep the cable ends dry. Secure the unit against tipping over and slipping until it is mounted and fixed in its final location. Lift and handle the product carefully, using suitable lifting equipment (stacker, crane, crane mounting device, lifting blocks, sling ropes, etc.).
  • Page 9 Pressure tank A diaphragm pressure tank is used on the discharge side of the pump to maintain pressure in the pipes when there is no water demand. The unit stops the pump from continuing to run at zero demand and reduce the size of the tank that is required for supply purposes.
  • Page 10 It is possible to run all pumps in cascade serial mode and synchronous mode as well. If one unit fails, then each pump of the system can become the lead pump and can take control. Cascade relay One pump is fitted with the unit and up to five slave pumps can be switched to on/off on demand. The unit uses an additional Premium Card for this purpose.
  • Page 11 1% for every additional 100 m. If the installation site is over 2000 m above sea level, please contact Flowtech. Installation specification Motor drive input have to be protected by an external circuit...
  • Page 12 The X-axis shows the ratio between Motor actual and Motor nominal. The Y-axis shows the time in seconds before the STC cuts off and trips the frequency converter. The curves show the characteristic nominal speed, at twice the nominal speed and at 20% of the nominal speed. The curve shows that at lower speed the STC cuts off at lower heat due to less cooling of the motor.
  • Page 13 Dimensional drawings Figure 4: 2.015, 2.022, 3.015, 3.022, 4.015 ÷ 4.040 Figure 5: 2.030, 2.040, 3.030 ÷ 3.055, 4.055 ÷ 4.110 Figure 6: 3.075 ÷ 3.110, 4.150 ÷ 4.220 Weight Models Maximum Weight 2.015 ÷ 2.022 | 3.015 ÷ 3.022 | 4.015 ÷ 4.040 5,6 Kg (12,3 lbs) 2.030 ÷...
  • Page 14 Design and layout The unit can be fitted with the features the application requires. Position Number Description Power board, heatsink, EMC filter Control board Cover Plastic cover...
  • Page 15 Included mounting components Included Cable outer diameter Model components (mm) inches 2.015 ÷ 2.022 2.030 ÷ 3.075 ÷ 3.110 2.040 | 3.015 ÷ 3.022 3.030 ÷ 4.150 ÷ 3.055 | 4.220 4.015 ÷ 4.055 ÷ 4.110 4.040 Cable 3.5 ÷ 7.0 0.138 ÷...

  • Page 16: Installation

    Optional components Component Description Motor cables The motor cable that is ready to connect to the unit. If the motor fan is made of plastic, then a mounting ring is used. Mounting ring It is available in two diameters: 140 mm (5.5 in) and 155 mm (6.1 in). The following sensors can be used with the unit: •...

  • Page 17: Mechanical Installation

    Mechanical Installation Cooling The frequency converter is cooled by means of air circulation. To protect the unit from overheating, it must be ensured that the ambient temperature does not exceed the maximum temperature stated for the frequency converter and that the 24-hour average temperature is not exceeded. • Derating for temperatures between 40°C (104°F) and 50°C (122°F) and elevation 1000m (3300 ft) above sea level must be considered.

  • Page 18: Electrical Installation

    8. Mount and fasten the plastic cover [8] using 2,0 Nm tightening torque. Electrical Hazard: Make sure that all the cable glands are mounted properly and that all the unused cable entries use closing plugs. Mounting clamps Electrical Installation Precautions EQUIPMENT HAZARD.
  • Page 19 The earth leakage current depends on various system configurations including RFI filtering, screened motor cables, and frequency converter power. EN/EC61800–5–1 (Power Drive System Product standard) requires special care if the leakage current exceeds 3.5 mA. Earth grounding must be reinforced in one of the following ways: • Earth ground wire of at least 8 AWG or 10 mm2 Cu (or 16mm2 Al).
  • Page 20 4.015 JJS-10 TJS (10) JLLS 10 A6T10 S203-C10 4.022 JJS-10 TJS (10) JLLS 10 A6T10 S203-C13 4.030 JJS-15 TJS (15) JLLS 15 A6T15 S203-C13 4.040 JJS-15 TJS (15) JLLS 15 A6T15 S203-C16 4.055 JJS-20 TJS (20) JLLS 20 A6T20 S203-C20 3~380- 460 VAC 4.075...
  • Page 21 4.015 ÷ 4.220 C2 (*) (*) 0,75 motor cable length; contact Flowtech for further information No external EMC filters are required to make Inverter compliant with the limit values of each category reported in the preceding table; motor cable shall be shielded.
  • Page 22 Signal cables must be installed separate both from motor cable and power supply cable. If signal cables are installed in parallel to power supply cable or to motor cable for a longer distance, the distance between these cables should be more than 200mm. Do not cross power cables and control cables - if this is not possible, cross them only in an angle of 90°.
  • Page 23 AC Mains (power supply) connection Size wiring based upon the input current of Inverter Comply with local and national electrical codes for cable sizes. 2. Connect 1–phase AC input power wiring to terminals L and N: make sure phase and neutral are properly aligned to provide terminals L and N.
  • Page 24 Motor connection INDUCED VOLTAGE. Run output motor cables from multiple frequency converters separately. Induced voltage from output motor cables run together can charge equipment capacitors even with the equipment turned off and locked out. Failure to run output motor cables separately could result in death or serious injury. • Comply with local and national electrical codes • Do not install power factor correction capacitors between the frequency converter and the motor • Do not wire a starting or pole-changing device between Inverter and the motor...
  • Page 25 Figure 7: Cover Do not connect the ground of the control card to other voltage potentials. All ground terminals and ground of the RS485 connection are connected internally. Figure 8: Control board Motor sensor connection Terminals X1/7 and X1/8 are used to connect a motor sensor (PTC or thermal switch) to stop the unit in case of failure;...
  • Page 26 Input for emergency basic operations Terminals X1/20 and X1/21 are used to connect an external switch which forces (when closed) Inverter to perform a manual start-up till reaching the maximum frequency (fixed speed) set by par. 245 “Maximum Frequency Table 7: SL terminals Terminals Description X1/20...
  • Page 27 RS485 connection Terminals X1/11, X1/12 and X1/13 are used for the communication among up to 8 Inverters in a multi- pump application; a dedicated termination resistor switch (BUS1, see image below) is made available to add a parallel terminator resistor to this RS485 port: if the resistor is needed put BUS1 switch on ON position.

  • Page 28: Operation

    Premium card terminals Digital and analog I/O (X3) Several terminals, from X3/1 to X3/12, are used to connect additional analog and digital I/Os to correspondent input signals, most of them configurable by specific parameters. Table 11: PC I/O terminals Item Terminals Description Comments...
  • Page 29 Item to Inspect Description Checked Auxiliary equipment Look for auxiliary equipment, switches, disconnects, or input fuses/circuit breakers that may reside on input power side of the frequency converter or output side to motor. Ensure they are ready for full speed operation. Check function and installation of any sensors used for feedback to the frequency converter.

  • Page 30: Programming

    ing. Repeat this procedure after the voltage correction. 2. Ensure that optional equipment wiring, if present, matches the installation application. 3. Ensure that all operator and start enable devices are in the OFF position. Panel doors should be closed or cover mounted. 4.
  • Page 31 Functions of push buttons Push Button Description ▲ Start of the unit in the 1st window. ▼ Stop of the unit in the 1st window. ▼and▼ Reset: press both buttons simultaneously for 5 seconds. ▲ Increase of a value / selection of the submenu. ▼...

  • Page 32: Main Menu

    Main Menu This submenu includes the following software parameters: • Home • Selection of required value • Regulation restart value • Language selection • Date and time setup • Auto - start • Operating hours HOME The information shown on the display depends on the selection done in parameter 105 MODE; for more details, see P105 MODE.
  • Page 33 Where: Cascade Serial or Cascade Synchron: is the value of parameter 105 @1: shows, for example, the value of parameter 1220 (PUMP ADDR.) P4: shows, for example, the address of the pump which is currently acting as Master of the cascade, depending on settings of menu 500 Actual value: is the input signal supplied by the selected transducer (set by menu 400) Status HV: is the INVERTER status (ON / OFF / STOP) depending on manual setting on push buttons and...
  • Page 34 P03 EFF.REQ.VAL. The information shown on the display depends on the selection done in par. 105; for more details, see P105 MODE. When parameter 105 MODE is set to Controller, Cascade Relay, Cascade Serial or Cascade Synchron, display shows the following information: Where: • EFF.REQ.VAL.: is the parameter description • D1: is (for example) the selected source for the parameter, set by submenu 800...
  • Page 35 P07 TIME This parameter set current time. P08 AUTO-START If AUTO-START = on, then the INVERTER starts automatically (in case of demand) following a power disconnection. P09 OPERAT.TIME This parameter shows the total operating time (in hours). For an instruction on how to reset the counter, see P1135 CLR.OPERAT. M20 STATUS Using this submenu it is possible to check the status (including failures and motor hours) of all connected units.
  • Page 36 The information shown on the display depends on the selection done in parameter 105 MODE; for more details, see P105 MODE. When P105 MODE is set to Cascade Serial or Cascade Synchron, the value selected for P22 SELECT DEVICE specifies the address of the INVERTER units, When P105 MODE is set to Cascade Relay, the value selected for P22 SELECT DEVICE follows the subsequent table: Device Enabled by...

  • Page 37: M40 Diagnostics

    This parameter shows the operation time in hours of the selected device. Thus, the time period during which INVERTER has powered the motor. For information about how to reset the count, see parameter 1130 CLR.MOTOR H. P26 thru P30: ERROR memory These parameters hold the error memory information.

  • Page 38: M60 Settings

    P43 TEMP.INVERTER Shows the temperature inside the selected (by mean of parameter 42) unit, With the following data: • Temperature inside (°C) • % of the maximum temperature P44 CURR.INVERTER Shows the output current in percentage of the maximum rated current for the selected (by mean of parameter 42) unit.

  • Page 39: M100 Basic Settings

    carried out by trained and qualified persons. Incorrect settings will cause malfunction. It is possible to change all parameters during operation, but it is highly recommended that the unit is stopped when changing parameters. P61 PASSWORD Enter the system password, which gives access to all system parameters:. When a correct password is entered, the system remains unlocked for 10 minutes.
  • Page 40 • Fixed speed requirements or • An external speed signal is connected. P106 PUMP ADDR. Selects an address (1-8) for each INVERTER If several MASTER inverters are connected via the internal RS-485 interface (maximum eight in Cascade Serial mode), then the following must apply: • Each INVERTER needs an individual pump-address (1–8) • Each address can only be used once.

  • Page 41: M200 Conf.inverter

    P135 BACK.COMP. This parameter activates the Backward Compatibility mode: when set to YES, it forces INVERTER to work in a multi-pump application acting and communicating as the previous generation INVERTER (HV 2.015-4.220). HVL and HV 2.015-4.220 multi-pump communication protocol are not compatible! Thus in a multi-pump application where there is present at least one previous generation INVERTER (HV 2.015-4.220), all the other HVL model shall be forced in backward compatibility mode.
  • Page 42 Possible settings are: Setting Description All units in the group are programmed at the same time; in any case all new settings are copied to all units. Used if one specific unit is programmed. Select that unit (1– 8). P215 RAMP 1 • Fast running up time can cause errors (overload) during the startup.
  • Page 43 P230 RAMP 4 • Fast running down time can cause oscillation of the unit and the pump • Slow running down time can cause pressure fluctuations during variation of the demand. This parameter adjusts the slow deceleration time, thus determining: • The regulation speed of the internal INVERTER controller for small changes in demand.
  • Page 44 This parameter (default value 50 Hz, possible setting 30.0- 70.0 Hz) sets the maximum frequency, and thus the maximum speed of the pump; the standard setting according to the nominal frequency of the connected motor. P250 MIN.FREQ. The minimum frequency depends on the selected pump type and application. For borehole applications in particular, the minimum frequency must be set to ≥...
  • Page 45 P262 SKIP FRQ.RNG. This parameter (possible setting 0.0 - 5.0 Hz) sets the skip frequency range. P265 MOTOR NOM.POWER Sets the nominal power of the motor coupled with INVERTER, as reported in the motor nameplate. Possible settings are: Model Undersized motor 2 Undersized motor 1 Default Oversized motor 2.015 0.75 kW - 1.0 hp...
  • Page 46 P267 MOTOR NOM.FRQ. Sets the motor nominal frequency, as reported in the motor nameplate P268 MOTOR NOM.CURR. Sets the motor nominal current, as reported in the motor nameplate, according to • the chosen motor connection • the output voltage of the INVERTER P269 MOTOR NOM.SPEED Sets the motor nominal speed, as reported in the motor nameplate P270 MOTOR POLES...
  • Page 47 Possible outcomes are “OK” (AMPI succeeded in self-configuring the motor) or “Fault” (AMPI result unsuccessful): once one of these two messages is displayed, INVERTER unlocks the push buttons to standard related functions. P280 SWITCHING CONTROL Sets the motor control method. Possible settings are “V/f” or “HVC” (default) “V/f”...
  • Page 48 INVERTER, in any case, can decrease automatically the switching frequency applying the derating criteria. Possible settings are: Possible Setting Model Default 2,015 Random ~ 5kHz 2 kHz 5 kHz 8 kHz 10 kHz 16 kHz 2,022 Random ~ 5kHz 2 kHz 5 kHz 8 kHz 10 kHz...

  • Page 49: M300 Regulation

    4,150 2 kHz 4 kHz 8 kHz 10 kHz 16 kHz 4,185 2 kHz 4 kHz 8 kHz 10 kHz 16 kHz 4,220 2 kHz 4 kHz 8 kHz 10 kHz 16 kHz P290 STC MOTOR PROT. This parameter sets the protection technique against motor overheating. Possible settings are “Thermistor trip”...
  • Page 50 Where: • JOG: is the parameter description • X.XX: is the current parameter value (0Hz - P245 MAX.FREQ.); at 0.0 Hz, the unit stops. • Actual value: is the input signal supplied by the selected transducer (set by submenu 400), expressed with the dimension unit set by parameter 405 • Output frequency: current frequency supplied by the drive to the motor • Left/Up/Down/Right fct.: actual functions of the related push buttons...

  • Page 51: M400 Sensor

    It determines the increase of the set value until the maximum speed (and maximum volume) is reached. For an application example, see Example P330 LIFT AMOUNT. M400 SENSOR In this submenu it is possible to configure all actual-value sensors that are connected to the INVERTER. However, the following limitations apply: • It is possible to have maximum two transducers with current output or voltage-signal output.
  • Page 52 P415 SENSOR TYPE Selects the sensor type and the input terminal. Table 14: Selection of the sensor type and input terminal Setting Input Terminals Actual Value Analog I 4 - 20 mA X1/2: Sensor 1 It is determined by a current signal connected to the given input terminal. Analog I 0- 20 mA X1/5: Sensor 2 Analog U 0-10 V...

  • Page 53: M500 Sequence Contr

    After setting P405 DIMENSION UNIT and P420 SENSOR RANGE, the upper range value can be adjusted between -10 and +10%. P440 SENS.2 CAL.0 This parameter is used to calibrate the minimum value of Sensor 2. After setting P405 DIMENSION UNIT and P420 SENSOR RANGE, the zero point for this sensor can be adjusted between -10 % and +10 %.
  • Page 54 The next pump starts when this value is reached and the system pressure drops below the difference (P02 REQUIRED VAL. - P510 ACT.VAL.DEC.). P520 ENABLE DLY. This parameter only applies to cascade relay! It sets the enable delay time: the fixed-speed pump starts after the selected time. P525 SWITCH DLY.
  • Page 55 P545 OVERVALUE This parameter only applies to cascade relay! This parameter prevents the system against overpressure in case the INVERTER has been parameterized incorrectly: if this selected value is reached, an immediate shut-off of the follow-up-pumps is executed. Possible settings are “Off” (default) or P420 SENSOR RANGE. P550 OVERVAL.DLY.

  • Page 56: M700 Outputs

    M600 ERROR This submenu includes the following software parameters: • Minimum threshold limit • Delay time • Automatic error reset P605 MIN.THRESH. Selects the minimum threshold limit: if an adjusted value > 0.00 is not reached within the P610 DELAY-TIME, the unit stops (failure message: MIN.

  • Page 57: M800 Required Values

    Selects the first analog output, which is connected to terminal X3/3-4 on the Premium Card (analogue output 0 – 10 V = 0 - 100%). P710 ANALOG OUT.2 Selects the second analog output, which is connected to terminal X3/5-6 on the Premium Card (analog output 4 –...
  • Page 58 P805 C.REQ.VAL.1 Configures the required value 1. Possible setting are: Setting Description Connected to terminals (Premium Card) The internal required value 1 is used. Digital For setting, see P02 REQUIRED VAL.or P820 EQ.VAL.1 Analog U 0-10V The required value 1 is set by the value of voltage signal. X3/8-9 Analog I 0-20mA The required value 1 is set by the value of current signal.

  • Page 59: M900 Offset

    P825 REQ.VAL.2 Sets the digital required value 2 in bar (possible setting 0.0 - P420 SENSOR RANGE). The value is active in all operation mode (but not Actuator mode), if the following applies: • P810 C.REQ.VAL.2 is set to Digital. • P815 SW.REQ.VAL.
  • Page 60 Possible setting are: Setting Offset calculation Disabled Calculated from the voltage signal (0 - 10 V) connected to the terminals X3/7-8-9 An. U1 0-10V (Required Value 1) Calculated from the voltage signal (0 - 10 V) connected to the terminals X3/10-11-12 An.

  • Page 61: M1000 Test Run

    P915 LEVEL 2 Selects the second limit where the offset function 2 starts to be active. For an example of the offset function and more information, see Example: P900 SUBMENU OFFSET P917 OFFSET X2 Sets the offset signal value (X2), which is a fixed point. For an example of the offset function and more information, see Example: P900 SUBMENU OFFSET P918 OFFSET Y2 Set the required pressure at this flow rate.

  • Page 62: M1100 Setup

    Sets the frequency for manual and automatic test run. P1015 TEST R.BOOST Sets the motor starting voltage (possible setting 0 -25%) as a percentage of the rated input voltage. P1020 TEST R.TIME Sets the time for the test run. P1025 SEL.DEVICE Selects the inverter for the manual test run.
  • Page 63 Restores the factory settings. Possible settings are: Setting Offset calculation Europe Restore the factory setting for European versions. For this parameter please note that, once entered into edit mode (by pressing the provided push button), the user can confirm the new value by pressing for 3 sec the right (▼) push button. P1120 PASSWORD 2 Enter the system password, which gives access to factory parameters.

  • Page 64: M1200 Rs-485 Interface

    Used to clear the kilowatt-hours counter either (1-8) for one specific unit or ALL for all units in Cascade Serial or Synchronous. For this parameter please note that, once entered into edit mode (by pressing the provided push button), the user can confirm the new value by pressing for 3 sec the right (▼) push button. M1200 RS-485 INTERFACE This submenu includes the following software parameters: • User interface (address, baudrate, format)
  • Page 65 • 76800 • 115200 P1215 FORMAT Set the data FORMAT for the communication port, depending on the value of P1203 PROTOCOL Possible settings are: • 8, E, 1 • 8, O, 1 • 8, N, 2 • 8, N, 1 •...

  • Page 66: M1300 Start-Up

    module is assembled into INVERTER. In particular, the security key number will be: “__P1226__”, where P1226 is the value of this parameter, expressed as an 8 character word. Example: if P1226 = b5c6d7e8, security key number M1300 START-UP This submenu includes all the parameters necessary for a quick start-up of INVERTER: • Language • Motor Configuration (Power, Voltage, …) • Single/Multi Pump configuration...
  • Page 67 P1305 MOTOR NOM.CURR. Sets the motor nominal current, as reported in the motor nameplate, according to • the chosen motor connection • the output voltage of the INVERTER P1306 MOTOR NOM.SPEED Sets the motor nominal speed, as reported in the motor nameplate. P1307 AMPI This parameter activates the Automatic Motor Parameter Identification;...
  • Page 68 P1311 CONTROL MODE For this parameter please note that, once entered into edit mode (by pressing the provided push button), the user can confirm the new value by pressing for 3 sec the right (▼) push button. This parameter sets the pressure control mode for the pump system (single and multi pump): depending on the setting (“Constant”...
  • Page 69 P1316 START VALUE Sets the end range value (20 mA or 10 V) of the connected sensor. In particular, the end range. This parameter defines, in percentage (0-100%) of the required value (P1314 REQUIRED VAL.), the start value after pump stops. If P1315 REQUIRED VAL.

  • Page 70: Maintenance

    • Make sure that the unit is disconnected from the power supply before any work is carried out. Always consider the pump- and motor-instruction. For further information, contact Flowtech. Check error codes Check the error codes in parameters P26 – P30 on a regular basis.

  • Page 71: Troubleshooting

    Troubleshooting Always disconnect the unit from the power supply before you perform any installation and maintenance tasks. • Warnings and errors are shown on the display and/or by the red LED. • When a warning is active and the cause is not remedied within 20 seconds, then an error is shown and the unit stops.
  • Page 72 • Is the parameter P220 RAMP 2 too fast? • Is the power supply too high? OVERVOLTAGE • Are the voltage peaks too high? ERROR 13 The voltage is too high If the error is power or voltage-related, line filters, line inductors, or RC-elements can be installed to resolve the issue The temperature inside the unit is too...

  • Page 73: Technical Reference

    Error Cause Remedy EEPROM-ERROR, data block Reset the unit. If the error message repeats then ERROR 1 malfunction change control board. Check and make sure that the push buttons are OK. If Button error, for example a jammed ERROR 4 the push buttons are faulty, then change the display- board.
  • Page 74 Position numbers 1. P02 REQUIRED VAL. 2. P315 HYSTERESIS in % of P310 WINDOW. 3. P310 WINDOW in % of P02 REQUIRED VAL. 4. P260 FMIN TIMEFMIN TIME 5. P250 MIN.FREQ. 6. Actual value 7. Output frequency Description RA: RAMP FMIN A RD: RAMP FMIN D R1: RAMP 1 - speed ramp fast increase R2: RAMP 2 - speed ramp fast decrease...
  • Page 75 1. The pressure at zero demand (all valves closed). 2. The pressure plus lift amount to compensate the friction loss. Example: P500 SUBMENU SEQUENCE CNTR. Graph Calculation process for the sequence centre value Lead pump reaches its P515 ENABLE FRQ. 2.
  • Page 76 Example: P900 SUBMENU OFFSET General settings Constant pressure system with the required value of 5 bar. Additionally a flow sensor is connected to the offset input. Parameter P907 OFFS.RANGE = 160 (maximum range of flow sensor = 16 m3/h). System requirement 1 •...
  • Page 77 Programming flow charts flowcon VSD - H Inverter...
  • Page 79 flowcon VSD - H Inverter...
  • Page 81 flowcon VSD - H Inverter...
  • Page 82 Unit 1 Lock Flight Buildings, Wheatlea Industrial Estate, Wigan, Greater Manchester WN3 6XP United Kingdom 9001 : 2015 REGISTERED Membership No. 700106 Certificate No. 185352020 Copyright © 2020 • All Rights Reserved • Flowtech Water Solutions Limited • Company Number: 05125479 • VAT Number: 836 8024 19...

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