Grundfos RSI Installation And Operating Instructions Manual
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Grundfos RSI Installation And Operating Instructions Manual

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www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10
GRUNDFOS INSTRUCTIONS
Grundfos RSI
AC Drives
Installation and operating instructions

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  • Page 1 / service-commercial@motralec.com / 01.39.97.65.10 GRUNDFOS INSTRUCTIONS Grundfos RSI AC Drives Installation and operating instructions...

  • Page 2: Table Of Contents

    1.5 Insulation system Please read the warning information carefully. 1.6 Compatibility with RCDs Grundfos RSI is a drive designed to control 1.7 Extended temperature range asynchronous AC motors and permanent magnet motors. The product is intended to be installed in a 1.8 Electro-magnetic compatibility (EMC)

  • Page 3: Units

    Grundfos RSI drives are live when the make sure that the powerhead of Grundfos drive is connected to mains potential. RSI Drive is mounted firmly on the terminal Coming into contact with this voltage is box. extremely dangerous and may cause death or severe injury.

  • Page 4: Warnings

    The motor starts automatically after Warning automatic fault reset if the autoreset Grundfos RSI AC drive is meant for fixed function is activated. See the Application installations (on the motor or on the wall) Manual for more detailed information. This only.

  • Page 5: Earthing And Earth Fault Protection

    / service-commercial@motralec.com / 01.39.97.65.10 1.4 Earthing and earth fault protection Warning The Grundfos RSI AC drive must always be earthed with an earthing conductor connected to the earthing terminal marked with See section 4.4.1 Cable and fuse sizes, frames A to C and 4.4.2 Cable and fuse sizes, frames A to C,...
  • Page 6 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Earth connection Earth connection Metal aglet Earth connection Fig. 1 Earth connections and metal aglet in A Earth connection Earth connection Metal aglet Fig. 2 Earth connections and metal aglet in B...
  • Page 7 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Earth connection Earth connection Metal aglet Metal aglet Fig. 3 Earth connections and metal aglet in C However, always follow the local regulations for the minimum size of the protective earthing conductor. Due to the high capacitive currents present Note in the AC drive, fault current protective switches may not function properly.

  • Page 8: Insulation System

    GND terminals are referred to PE. This is important when you need to connect other circuits to the drive and test the complete assembly. Should you have any doubt or question, please contact your local Grundfos distributor. CONTROL UNIT DVC A or R01 __...

  • Page 9: Compatibility With Rcds

    / service-commercial@motralec.com / 01.39.97.65.10 1.6 Compatibility with RCDs 1.7 Extended temperature range Grundfos RSI has an integrated cooling system, This product can cause a d.c. current in independent from the motor fan. Under maximum the protective earthing conductor. Where a...

  • Page 10: Receipt Of Delivery

    OUTPUT: U2: 3AC 0-Input V 0-320 Hz, I2: 16 A POWER: P2: 7.5 kW: 400 V / 10 hp: 480 V IP66 Firmware: FW0238V001 Application: Cust. Ord. No: 12345678 Marks: Grundfos Holding A/S, Denmark Made in Italy Grundfos A/S, 8850 Bjerringbro, Denmark Fig. 6 Grundfos package label...

  • Page 11: Type Designation Code

    / service-commercial@motralec.com / 01.39.97.65.10 2.1 Type designation code Grundfos type designation code is formed of a nine- segment code and optional +codes. Each segment of the type designation code uniquely corresponds to the product and options you have ordered. The code...

  • Page 12: Product Numbers

    22 (30) 30 (40) 99044367 30 (40) 37 (50) 99044368 37 (50) Frame weights Product numbers for Grundfos RSI. See section for more details. 7. Technical data Weight 2.3 Unpacking and lifting the AC drive Frame [kg] [lb] The weights of the AC drives vary according to frame size.

  • Page 13: Accessories

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 2.4 Accessories After having opened the transport package and lifted the drive out, check immediately that these various accessories were included in the delivery. The contents of the accessories bag differ by drive size: 2.4.1 Frame A Content of accessory bag, A Item Quantity...
  • Page 14 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 2.4.4 STO terminal connector Fig. 7 STO connector 2.4.5 "Product modified" sticker In the small plastic bag included in the delivery you will find a silver Product modified sticker. The purpose of the sticker is to notify the service personnel about the modifications made in the AC drive.

  • Page 15: Mounting

    / service-commercial@motralec.com / 01.39.97.65.10 3. Mounting Grundfos RSI is the ideal solution for a decentralised installation. It is conceived to be mounted on a wall or directly on the motor, saving space and reducing the cabling complexity. In both of the cases, it must be ensured that the mounting plane is even.

  • Page 16: Dimensions Frame B

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 3.2 Dimensions Frame B Fig. 10 Frame B 7,5 - 15 kW (10 - 20 hp) Product Frame Size Net weight [kg (lbs)] (in)] (in)] (in)] (in)] (in)] (in)] (in)] (in)] (in)] ∅6.1 345.2 Frame B 15 (33) (0.24) (7.1)

  • Page 17: Dimensions Frame C

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 3.3 Dimensions Frame C Fig. 11 Frame C 18,5 - 37 kW (25 - 50 hp) Product Frame Size Net weight [kg (lbs)] (in)] (in)] (in)] (in)] (in)] (in)] (in)] (in)] (in)] ∅8.2 382.5 Frame C 32 (69) (0.32) (12.7)

  • Page 18: Introduction Of Modules

    0 1 . 3 9 . 3.4 Introduction of modules terminals and control board with the control terminals and The mechanical concept of Grundfos RSI drive is 2. The powerhead containing all the power based on two segregated parts, power and control, electronics.

  • Page 19: Cooling

    Should you need further details on the cooling not exceed the maximum ambient temperature of the system of the Grundfos RSI, please contact your converter. local Grundfos distributor. Contact local Grundfos distributor for more information on required clearances in different installations.

  • Page 20: Power Cabling

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 4. Power cabling The mains cables are connected to terminals L1, L2 and L3 and the motor cables to terminals marked with U, V and W. See principal connection diagram in fig. 15. See also Cable types required to meet for the cable recommendations for standards...

  • Page 21: Circuit Breaker

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Cable types required to meet standards 4.1 Circuit breaker Please disconnect the drive via an external circuit EMC levels breaker. You have to provide a switching device between supply and main connection terminals. environment When connecting the input terminals to the power environment supply using a circuit breaker, observe that this is of Cable type...

  • Page 22: Description Of The Terminals

    / service-commercial@motralec.com / 01.39.97.65.10 4.3 Description of the terminals The following pictures describe the power terminals and the typical connections in Grundfos RSI drives. Brake resistor AC power supply Three phases Motor Fig. 16 Power connections, Frame A Terminal...
  • Page 23 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Brake resistor AC power supply Three phases Motor Fig. 17 Power connections, Frame B Terminal Description These terminals are the input connections for the power supply. DC bus terminals (DC- DC+) DC+/R+ Brake resistor terminals (R+ R-) U/T1 These terminals are for motor V/T2...
  • Page 24 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Brake resistor AC power supply Three phases Motor Fig. 18 Power connections, Frame C Terminal Description These terminals are the input connections for the power supply. DC bus terminals (DC- DC+) DC+/R+ Brake resistor terminals (R+ R-) U/T1 These terminals are for motor V/T2...

  • Page 25: Cable Dimensioning And Selection

    Operating time depends on used fuse type information. and impedance of the supply circuit. Consult the factory about faster fuses. Grundfos also recommends high speed gS (IEC 60269-4) fuse ranges. Cable and fuse sizes for Grundfos RSI Terminal cable size Fuse Mains and INPUT Frame...
  • Page 26 Grundfos also installation conditions and cable specification. Bigger recommends high speed J (UL & CSA) fuse ranges. fuses than those recommended below shall not be used. Cable and fuse sizes for Grundfos RSI Fuse Mains and Terminal cable size INPUT...

  • Page 27: Cable Installation

    / service-commercial@motralec.com / 01.39.97.65.10 4.4.3 Brake resistor cables Distance between cables Shielded cable Grundfos RSI AC drives are equipped with terminals [m (ft)] [m (ft)] for an optional external brake resistor. These terminals are marked with DC+/R+ and R-. See the ...
  • Page 28 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 IEC installation: 2. Remove the cable entry plate. The cable entry system is a combination of a cable entry plate (see the figure below) and cable glands. In the cable entry plate there are several openings available for the cables with ISO metric thread.
  • Page 29 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 M40 x 1.5 M25 x 1.5 M16 x 1.5 Fig. 22 Cable entry plate, Frame C 4. Cable glands must be made of plastic materials. 5. Screw the cable glands on the cable entry holes They are used for sealing cables passing through using the proper tightening torque as shown in cable entries to ensure the characteristics of the...
  • Page 30 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 UL installation: 6. To connect NPT pipes to GrundfosRSI, use the optional metal cable entry plate (included in -R02 option) to meet UL installation rules. One metal conduit plate with accessories (screws and gasket) is delivered in a separate bag together with the drive.
  • Page 31 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fig. 25 Cable entry plate, Frame B UL installation Fig. 26 Cable entry plate, Frame C UL installation...
  • Page 32 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 7. All the (3) terminal box openings are closed with Cable installation: the standard plastic plates with the metric 11. Pass the cables (supply cable, motor cable, threads. brake cable and I/O cables) through the conduits 8.

  • Page 33: Control Unit

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5. Control unit Remove the powerhead of the drive to reveal the terminal box with the control terminals. The control unit of the AC drive consists of the control board and additional boards (option boards) connected to the slot connectors of the control board.

  • Page 34: Control Unit Cabling

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5.1 Control unit cabling The principal terminal block placement is presented in fig. below. The control board is equipped with 22 fixed control I/O terminals and the relay board with 6+2. Additionally, the terminals for the Safe Torque Off (STO) function (see section 9.
  • Page 35 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5.1.2 Standard I/O terminals The terminals of the Standard I/Os and the Relays are described below. For more information on the connections, see section 7. Technical data. The terminals shown on shadowed background are assigned for signals with optional functions selectable with DIP switches.
  • Page 36 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5.1.3 Relay and thermistor input terminals I/O terminal signals for relay and thermistor terminals and connection example. From Relays and thermistor standard I/O Terminal Signal From term. From term. Relay output 1 RO1/1 RO1/2 RO1/3 Relay output 2 RO2/1 RO2/2...
  • Page 37 / service-commercial@motralec.com / 01.39.97.65.10 5.1.5 Selection of terminal functions with dip switches The Grundfos RSI drive embodies five so-called dip switches that allow for three functional selections each. The shadowed terminals in the table of section can be functionally 5.1.2 Standard I/O terminals...
  • Page 38 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5.1.6 Isolating digital inputs from ground The digital inputs (terminals 8-10 and 14-16) on the standard I/O board can be isolated from ground by setting the dip switch to position ‘0’. The switch in the position “1”...

  • Page 39: I/O Cabling And Fieldbus Connection

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 5.1.7 Bus termination of the RS485 connection This dip switch is related to the RS485 connection. It’s used for bus termination. The bus termination must be set to the first and to the last device on the network.
  • Page 40 Ethernet cable and the motor cable at a minimum of 30 cm. 4. If Grundfos RSI AC drive is the last device on the bus, the bus termination must be set. Locate the For more detailed information, see the user’s manual DIP switches to the top of the control unit (see of the fieldbus you are using.
  • Page 41 6. The bus termination must be set for the first and the last device of the fieldbus line. See picture below and step 4. We recommend that the first device on the bus and, thus, terminated, was the Master device. Grundfos RSI Vacon 100X Vacon 100X Vacon 100X Vacon 100X...

  • Page 42: Battery Installation For Real Time Clock

    Detailed information on the functions of the Real Time Clock (RTC) can be found in the Application Manual. See the following figures to install the battery on the control box of Grundfos RSI frequency converter. 1. Remove the three screws on the control box as shown in fig.

  • Page 43: Commissioning

    Always ensure absence of voltage before starting any electrical work! Warning Before connecting the AC drive to mains make sure that the powerhead Grundfos RSI Drive is mounted firmly on the terminal box.

  • Page 44: Changing Emc Protection Class

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 6.2 Changing EMC protection class If your supply network is an IT (impedance- grounded) system but your AC drive is EMC- protected according to class C1 or C2 you need to modify the EMC protection of the AC drive to EMC- level T (C4).
  • Page 45 After having performed the change write "EMC level modified" on the sticker included in the Grundfos RSI delivery (see Note below) and note the date. Unless already done, attach the sticker close to the name plate of the AC drive.

  • Page 46: Running The Motor

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 6.3 Running the motor 6.4 Maintenance MOTOR RUN CHECK LIST In normal conditions, the AC drive is maintenance- free. However, regular maintenance is Warning recommended to ensure trouble-free operation and longevity of the drive. We recommend the table Before starting the motor, check that the below is followed for maintenance intervals.

  • Page 47: Technical Data

    7.1.2 Mains voltage 3 AC 380-440 V Power ratings of Grundfos RSI, supply voltage 3AC 380-440 V, high overload. Mains voltage 3AC 380-415 V, 50/60 Hz Motor shaft power...
  • Page 48 / service-commercial@motralec.com / 01.39.97.65.10 Power ratings of Grundfos RSI, supply voltage 3 AC 380-480/500 V, low overload. Mains voltage 3AC 380-480/500V, 50/60 Hz Motor shaft power Load ability Input 400 V 480 V Converter current type Rated continuous 10% overload...

  • Page 49: Brake Resistor Ratings

    Make sure that the resistance is higher than the minimum resistance defined. The power handling capacity must be sufficient for the application. Recommended minimum brake resistor values for Grundfos RSI AC drives: Mains Voltage 3AC 208-240V, 50/60 Hz Minimum Resistance Brake power @405 VDC...

  • Page 50: Grundfos Rsi - Technical Data

    / service-commercial@motralec.com / 01.39.97.65.10 7.3 Grundfos RSI - technical data 3 AC 208 … 240 V Input voltage U 3 AC 380 ... 480 V 3 AC 380 ... 500 V Input voltage tolerance -15 % ... +10 % continuously...
  • Page 51 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Standard: Serial communication (RS485/Modbus); Ethernet IP, Profinet IO, Modbus TCP, Bacnet IP Fieldbus Optional: CanOpen; Profibus DP, DeviceNet, Communication Lonworks, AS-interface interface Drive status indicators (LED) on top side (POWER, Status indicators RUN, FAULT, READY) Ambient operating -10 °C (14°F) …+40 °C (104°F) temperature...
  • Page 52 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Depends on supply voltage (0,8775*supply voltage): Supply voltage 240 V: Trip limit 211 V Undervoltage trip limit Supply voltage 400 V: Trip limit 351 V Supply voltage 480 V: Trip limit 421 V Overvoltage fault protection Earth fault protection Mains supervision Motor phase supervision...
  • Page 53 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 7.3.1 Technical information on control connections Standard I/O Terminal Signal Technical information Reference output +10 V, +3 %; Maximum current 10 mA Analogue input channel 1 0-20 mA (Ri = 250 Ω) 0-10 V (Ri = 200 kΩ) Analogue input, Resolution 0.1 %, accuracy ±...
  • Page 54 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Standard I/O Terminal Signal Technical information RS485 Differential receiver/transmitter Set bus termination with dip switches (see page 39). RS485 Default: but termination disconnected. Relays with two change-over contact (SPDT) and a PTC thermistor input. Relays 5,5 mm isolation between channels.

  • Page 55: Options

    / service-commercial@motralec.com / 01.39.97.65.10 8. Options cable entry plate from the right-hand-side. See the fig. 44. The options available for Grundfos RSI are described below. 8.0.1 Installation 1. Remove the cable entry plate from the drive on the left-hand-side if the mains switch must be mounted on this side.
  • Page 56 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 2. Remove the cable entry plate from the bottom side of the terminal box by loosing the six screws. Cables pass through this inlet hole. Fig. 43 Cable entry plate from the bottom side of the drive 3.
  • Page 57 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 4. Connect the supply cable to the Mains switch passing through the cable entry plate of the bottom side (use the cable gland for sealing the cable to the gland plate) and then through the terminal box as shown in the figure below.
  • Page 58 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 7. Place the cable entry plate with the other cables (motor cable, brake cable, I/O cables) in the groove on the bottom side of the drive and fix it with its screws. Fig. 46 Mains switch, cable entry and cables connected 8.

  • Page 59: Control Keypad

    / service-commercial@motralec.com / 01.39.97.65.10 8.1 Control Keypad The control keypad is the interface between the Grundfos RSI frequency converter and the user. 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 60 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 8.1.2 Installation 1. Remove the HMI cap from the drive as shown in the fig. 51. Fig. 49 Disconnection of the HMI cap from the Fig. 51 Mounting of the keypad drive 2. Install the keypad holder with a screw as shown in the fig.
  • Page 61 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 8.1.3 Wall-mounting The keypad can be mounted on the wall in a convenient location by using the same keypad holder and three screws provided with the keypad option kit. 1. Fix the keypad holder with three screws to the wall.
  • Page 62 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 8.1.4 Graphical and Text keypad There are two keypad types you can choose for your user interface: keypad with graphical display and keypad with text segment display (text keypad). The button section of the keypad is identical for both keypad types.
  • Page 63 / service-commercial@motralec.com / 01.39.97.65.10 8.1.5 Grundfos keypad with graphical display The graphical keypad features an LCD display and 9 buttons. Keypad display The keypad display indicates the status of the motor and the drive and any irregularities in motor or drive functions.
  • Page 64 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Using the graphical keypad Change value of a parameter following the procedure below: Editing values 1. Locate the parameter. The selectable values can be accessed and edited in two different ways on the graphical keypad. 2.
  • Page 65 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Parameters with checkbox selection Some parameters allow selecting several values. Make a checkbox selection at each value you wish to activate as instructed below. 9256.emf Symbol for checkbox selection Fig. 59 Applying the checkbox value selection on graphical keypad Resetting fault Local control For instructions to reset a fault, See “Fault Tracing”...
  • Page 66 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 STOP READY Keypad STOP Ready Keypad STOP READY Keypad Main Menu Choose action Local/Remote ID:1805 ID:211 Monitor Change direction ( 7 ) FUNCT Local Control page Parameters ( 15 ) Local/Remote Remote Remote Diagnostics ( 6 ) STOP READY Main Menu...
  • Page 67 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Changing direction the arrow indication in the status field changes. Rotation direction of the motor can quickly be changed by applying the Home button. Changing direction command is not visible in the menu unless the selected control Note place is Local.
  • Page 68 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Copying parameters This feature is available with graphical Note keypad only. The parameter copy function can be used to copy parameters from one drive to another. The parameters are first saved to the keypad, then the keypad is detached and connected to another drive.
  • Page 69 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Help texts The graphical 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 70 / service-commercial@motralec.com / 01.39.97.65.10 8.1.6 Grundfos keypad with text segment display You can also choose a Keypad with text segment display (Text keypad) for your user interface. It has mainly the same functionalities as the keypad with graphical display although some of these are somewhat limited.
  • Page 71 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fig. 66 Editing values Resetting fault Instructions for how to reset a fault can be found in 8.2.7. Function button The home button is used for four functions: 1. to quickly access the Control page, 2.
  • Page 72 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Changing control places 3. On the next display, select Local or Remote and again confirm with the OK button. Change of control place from Remote to Local (keypad). 4. The display will return to the same location as it was when the home button was pushed.
  • Page 73 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 8.1.7 Fault Tracing When contacting distributor or factory When an unusual operating condition is detected by because of a fault condition, always write Note the AC drive control diagnostics, the drive initiates a down all texts and codes on the keypad notification visible, for example, on the keypad.
  • Page 74 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault History In menu M4.3 Fault history you find the maximum number of 40 occurred faults. On each fault in the memory you will also find additional information, see below. STOP READY STOP READY STOP READY Diagnostics Fault history...
  • Page 75 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault codes Fault Fault Fault name Possible cause Remedy code Overcurrent AC drive has detected too high a Check loading. (hardware fault) current (>4*I ) in the motor cable: Check motor. • sudden heavy load increase Check cables and connections.
  • Page 76 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault Fault Fault name Possible cause Remedy code Communication between control board and power unit has failed. Communication between control board and power unit has interference, but it is still working. Reset the fault and restart. Watchdog has reset the CPU Should the fault re-occur, contact the distributor near to...
  • Page 77 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault Fault Fault name Possible cause Remedy code Brake chopper Check brake resistor and supervision No brake resistor installed. cabling. (hardware fault) Brake resistor is broken. If these are ok, the chopper is Brake chopper failure. faulty.
  • Page 78 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault Fault Fault name Possible cause Remedy code Check the Safety switch and cabling. Unstable STO input A Reset the fault and restart. Safe off (spurious pulses detected). Should the fault re-occur, contact the distributor near to you.
  • Page 79 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault Fault Fault name Possible cause Remedy code Check the digital input or the 1051 External Fault Fault activated by digital input. device connected to it. Check the parameter settings. Keypad The connection between the control 1052 Check keypad connection and communication...
  • Page 80 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fault Fault Fault name Possible cause Remedy code Maximum number of 5 simultaneous active fieldbus or PC tool connections Remove excessive active 1077 >5 connections supported by the application connections. exceeded. The Soft fill function in the PID controller has timed out.

  • Page 81: Heater (Arctic Option)

    250VAC /3A heater to mains, make sure that the 8.2.4 Fuses Grundfos RSI drive is closed firmly. The recommended fuse types for the heater supply voltage are shown in the table below. Fuses for heater supply voltage input - 230 VAC...
  • Page 82 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 8.2.5 Mounting instructions: Frame A Example Fig. 73 Heater option for Frame A Fig. 75 Remove the cable entry plate (right side example) Fig. 74 Heating element and terminals Fig. 76 Remove the powerhead from the terminal box...
  • Page 83 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 Fig. 77 Connect the supply voltage (black cable) and the output relay (red cable) to the optional heater through the bottom cable entry plate. Color of the cables is only as example Fig. 78 Mount the optional heater on the terminal box and then close the powerhead...

  • Page 84: Option Boards

    Grundfos RSI frequency converter can be increased and its versatility improved. There are two board slots (labelled D and E) on the Grundfos RSI control board. To locate the slot, see section unit. Usually, when the AC drive is 5. Control delivered from the factory, the control unit doesn’t...

  • Page 85: Safe Torque Off

    Electronic means and contactors are not function which is a functional safety feature present adequate for protection against electric into Grundfos RSI drive products as standard. shock. The Safe Torque Off function does not disconnect the voltage or the mains 9.1 General description...

  • Page 86: Standards

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 9.3 Standards The STO function has been designed for use in accordance with the following standards: • IEC 61508, Parts 1-7 • EN 61800-5-2 • EN 62061 • ISO 13849-1 • EN 954-1 • IEC 60204-1 The STO function has to be applied correctly to achieve the desired level of operational safety.

  • Page 87: The Principle Of Sto

    In Grundfos RSI, the STO function is realized by the STO function and to achieve a better safety preventing the propagation of the control signals to capability (F+, F- terminals).

  • Page 88: Connections

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 9.5 Connections To make the STO function available and ready to be used, both the STO jumpers have to be removed. They are located in front of the STO inputs to mechanically prevent the insertion of the STO connector.
  • Page 89 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 9.5.1 Safety Capability Cat. 4 / PL e / SIL 3 For this safety capability, an external safety device must be installed. This must be used to dynamically activate the STO inputs and to monitor the STO output feedback.
  • Page 90 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 The picture below shows an example of connection for the STO function. The external device has to be connected with 6 wires to the drive. EXTERNAL DEVICE POWER UNIT DC+/R+ Reinforced Fig. 82 STO example with automatic monitoring of the feedback and both STO inputs used The external device has to monitor the STO function in accordance with the section 9.4 The principle of...
  • Page 91 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 9.5.2 Safety Capability Cat. 3 / PL e / SIL 3 The safety capability is reduced to Cat. 3 / PL e / SIL 3 if the STO inputs are statically used (which means they are forced to commute together). Both STO inputs and the STO feedback have to be used.
  • Page 92 www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 9.5.4 Safety Capability Cat. 1 / PL c / SIL 1 Warning Without any automatic monitoring of STO output This safety capability can be achieved by feedback, the safety capability is reduced to Cat. 1 / connecting in parallel the STO inputs PL c / SIL 1.

  • Page 93: Commissioning

    www.motralec.com / service-commercial@motralec.com / 01.39.97.65.10 9.6 Commissioning The following table indicates examples of cables to be used. 9.6.1 General wiring instructions STO feedback Cable size Warning Protect the STO cabling with a shielding or STO feedback an enclosure to exclude external damage. automatically monitored by 3 x (2 + 1) x 0,5 mm an external safety device...

  • Page 94: Parameters And Fault Tracing

    The following table shows faults that may be generated by the software that monitors the hardware related to the STO safety function. If you detect any failure in safety functions, including STO, contact your local Grundfos supplier. Fault Code Fault Cause...
  • Page 95 My firma Grundfos prohlašujeme na svou plnou odpovědnost, že Wir, Grundfos, erklären in alleiniger Verantwortung, dass das Produkt výrobek RSI, na který se toto prohlášení vztahuje, je v souladu s níže RSI, auf das sich diese Erklärung bezieht, mit den folgenden uvedenými ustanoveními směrnice Rady pro sblížení...
  • Page 96 เราในนามของบริ ษ ั ท Grundfos 葛蘭富根據我們唯一的責任，茲聲明與以下聲明相關之 RSI 產品，符 ขอประกาศภายใต ค วามรั บ ผิ ด ชอบของเราแต เ พี ย งผู  เ ดี ย วว า ผลิ ต ภั ณ ฑ RSI 合下列近似 EU 會員國法律之議會指令。 ซึ ่ ง เกี ่ ย วข อ งกั บ คํ า ประกาศนี ้ ม ี ค วามสอดคล อ งก ั บ ระเบี ย บคํ า สั ่ ง ตามรายการด า...

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