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WATTrouter ECO - user manual
www.solarcontrols.cz
WATTROUTER ECO - USER MANUAL
FOR MODELS:
WATTROUTER ECO (WRE 01/06/14 AND WT 02/10)
HOW TO FIT AND SETUP THE DEVICE
Document version: 1.4
Last revision: 20. 3. 2000
Company: SOLAR controls s.r.o.
How to fit and setup the device
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  • Page 1 WATTrouter ECO - user manual www.solarcontrols.cz WATTROUTER ECO - USER MANUAL FOR MODELS: WATTROUTER ECO (WRE 01/06/14 AND WT 02/10) HOW TO FIT AND SETUP THE DEVICE Document version: 1.4 Last revision: 20. 3. 2000 Company: SOLAR controls s.r.o. How to fit and setup the device...
  • Page 2: Table Of Contents

    WATTrouter ECO - user manual www.solarcontrols.cz TABLE OF CONTENTS General information ..............................4 Description of basic function ..........................5 Packaging contents ..............................7 Safety warning ................................ 8 Fitting the device ..............................9 Inserting the SC-Gateway module ........................19 Inserting the SC-Router module ........................20 Device configuration .............................
  • Page 3 WATTrouter ECO - user manual www.solarcontrols.cz Example No. 4 – 5 loads, control mode - each phase independently ............... 56 Troubleshooting ..............................58 Maintenance and repairs ............................63 Technical specifications............................64 Recycling ................................65 Declaration of conformity ............................. 66 How to fit and setup the device...
  • Page 4: General Information

    (hereinafter referred to as PV-plant). It is a smart home energy management system. After correct installation and configuration, the controller perfectly optimizes self-consumption of energy produced by your PV-plant. WATTrouter ECO consists of a current sensing module and the regulator itself.
  • Page 5: Description Of Basic Function

    WATTrouter ECO - user manual www.solarcontrols.cz DESCRIPTION OF BASIC FUNCTION If the device is equipped with the SC-Router wireless module, the device operates only as a receiver and switches outputs according to the master system requirements. For more information, see chapter Inserting the SC-Router module.
  • Page 6 WATTrouter ECO - user manual www.solarcontrols.cz The above specified basic control mode may be combined with another mode of output switching, provided that low tariff signal (double tariff rate) is available (CombiWATT mode), or with switching based on preset time conditions (time schedules).
  • Page 7: Packaging Contents

    PACKAGING CONTENTS Contents of packaging: 1 WATTrouter ECO regulator 1 WATTrouter ECO current sensing module 1 USB cable 1 short manual with links to this manual, software and firmware updates How to fit and setup the device Page 7 from 66...
  • Page 8: Safety Warning

    WATTrouter ECO - user manual www.solarcontrols.cz SAFETY WARNING When you receive your package, inspect the packaging unit for damages. After opening your package, inspect the regulator and the current sensing module for damages. Do not fit the regulator or the current sensing module if you see signs of mechanical damages! Always have the regulator and the current sensing module fitted by a person with the necessary electrotechnical qualification.
  • Page 9: Fitting The Device

    FITTING THE DEVICE WATTrouter ECO regulator may be fitted in a regular distribution board onto a 35 mm DIN rail or attached to a wall using 2 screws with round or countersink head and with diameter up to 6 mm.
  • Page 10 WATTrouter ECO - user manual www.solarcontrols.cz  R2_2 – relay output 2 – terminal 2  FB – input for connection of impulse output of external energy meter (0V or +5V)  S4- – external output for SSR 4 – negative electrode (open collector) ...
  • Page 11 WATTrouter ECO - user manual www.solarcontrols.cz If CYKY or other thick and hard cables cannot pass through current transformers easily, use flexible cables to extend the existing connections. When fitting the current sensing module do not press hard on it. You may damage the module.
  • Page 12 WATTrouter ECO - user manual www.solarcontrols.cz Figure 4: Three-phase connection with low tariff signal circuit for CombiWATT mode. Current sensing module is placed at the facility’s supply cable coming from the distribution box where main energy meter is located. The connected loads use only real surpluses produced by PV-plant.
  • Page 13 WATTrouter ECO - user manual www.solarcontrols.cz Figure 5: Three-phase connection with 2 current sensing modules and with low tariff signal circuit for CombiWATT mode. Here are connected all 6 loads, where 4 loads are over SSR through the recommended SSRs RGC(S)1A manufactured by Carlo Gavazzi. This connection is necessary if the PV-plant output is connected directly to a sealed distribution box, accessible only to the electricity provider.
  • Page 14 Figure 6: Three-phase connection of WATTrouter ECO with 2 regulators and without low tariff signal circuit (CombiWATT mode cannot be used). Using this connection you may extend the number of outputs up to 12. Current sensing module is placed at the facility’s supply cable coming from the distribution box where main energy meter is located.
  • Page 15 WATTrouter ECO - user manual www.solarcontrols.cz Figure 8: Increasing of current measurement range of the device for facilities where main circuit breaker is larger than 3x40A. Transformers 200/5A, or even 400/5A may be used, based on the main circuit breaker value. Secondary coil of current transformers is shorted through the current sensing module (the secondary circuit passes through measuring transformers in the current sensing module).
  • Page 16 WATTrouter ECO - user manual www.solarcontrols.cz impedance (which should not be below 200 kΩ); otherwise active filter could be necessary. Active filter must be always used, when the external device awaits another voltage (e.g. 0-10 VDC) or current loop (4-20 mA).
  • Page 17 SSR, WATTrouter M SSR, WATTrouter Mx, and vice versa. The current sensing module installed with these controllers can be used with the WATTrouter ECO controller (and vice versa). If the regulator is constantly connected to PC via USB interface (mostly if long cable is used), we strongly recommend using an USB isolator! Note: It is allowed to connect only pure resistive loads to SSR outputs.
  • Page 18 WATTrouter ECO - user manual www.solarcontrols.cz the LED ERR starts to flash (error status), proceed according to instructions specified in the Troubleshooting chapter. In default status no output is active and therefore, no load will be turned on. Now the controller is fitted and ready for configuration.
  • Page 19: Inserting The Sc-Gateway Module

    WATTrouter ECO - user manual www.solarcontrols.cz INSERTING THE SC-GATEWAY MODULE Insert the module to sockets in the regulator according to the images below. Before insertion you must lift the regulator cover with a small screwdriver or similar tool. Make sure the regulator is turned off before inserting the module! Keep the proper orientation of the module.
  • Page 20: Inserting The Sc-Router Module

    WATTrouter ECO - user manual www.solarcontrols.cz INSERTING THE SC-ROUTER MODULE Insert the module to the controller identically as module SC-Gateway. When equipped with this module, firmware and WATTconfig version 1.2 and later automatically set the controller to a remote control mode (RC module). In this mode only the outputs operate. Leave all inputs unconnected.
  • Page 21: Device Configuration

    WATTrouter ECO - user manual www.solarcontrols.cz DEVICE CONFIGURATION You will need notebook or regular PC (placed closely enough to the regulator) with USB interface (hereinafter referred to as a computer only). The controller is configured using the WATTconfig ECO control software. The installation package for this software is available on manufacturer’s web pages.
  • Page 22 WATTrouter ECO - user manual www.solarcontrols.cz 5. Select the path to the driver file: 6. If the driver has been installed successfully, this window appears: How to fit and setup the device Page 22 from 66...
  • Page 23: Wattconfig Eco Control Software Installation

    Configure connection. Note: Unlike WATTrouter CWx or WATTrouter M devices the WATTrouter ECO uses a serial port connection (COMx). This port is always virtual port because the controller is connected via USB. Once more ports are displayed, it is necessary to check in Windows device manager, which port is assigned to USB Serial Port.
  • Page 24 WATTrouter ECO - user manual www.solarcontrols.cz 5. After establishing successful communication, you should be able to see the current measured values (power outputs on individual phases, etc.). No outputs should be active ("unused" priority). Also no time schedules should be used.
  • Page 25 WATTrouter ECO - user manual www.solarcontrols.cz Figure71: Input is fitted correctly - sine wave of the current flowing through a resistive (heat) load is in phase with the voltage. WATTconfig ECO shows negative values on selected phase (consumption). Left image appears when there is normal (default) current flow direction, right image appears for opposite direction.
  • Page 26: Setting Up Combiwatt Mode

    WATTrouter ECO - user manual www.solarcontrols.cz value specified in the Maximum power field), the system waits until the power output of PV-plant increases again (sunrise). If additional available surplus energy is determined when the load with first priority is switched on, then load with second priority is switched on in the same mode. The same applies to all outputs.
  • Page 27: Setting Up Time Schedules

    WATTrouter ECO - user manual www.solarcontrols.cz b. PV-plant does not produce electric power (active powers at all measured phases are <= (less than or equal to the) CombiWATT production limit field). During the day, PV-plant did not supply the load with the required amount of energy, that is, the field "Assumed supplied energy"...
  • Page 28: Fb Input Configuration

    WIRELESS COMUNICATION SETTINGS Note: This function is accessible, once SC-Gateway module is inserted. WATTrouter ECO optionally integrates up to 6 wirelessly controlled devices which can be purchased as accessories. Wireless connection solution can be applied in buildings, where installation of wire connections between controller and devices would be too difficult.
  • Page 29: Finishing The Configuration

    WATTrouter ECO - user manual www.solarcontrols.cz In case of usage of more wireless peripherals, repeat this procedure from point one for each one. Do not connect new stations to power line at the same moment, because otherwise the identification of new station will be impossible.
  • Page 30: Description Of Wattconfig Eco Items

    WATTrouter ECO - user manual www.solarcontrols.cz DESCRIPTION OF WATTCONFIG ECO ITEMS This chapter contains a list of all items available in the WATTconfig ECO control software and explains their meaning. MAIN WINDOW The main window displays all basic measured values and statuses. The controller can be configured using configuration tabs.
  • Page 31: Measured Parameters And Statuses

    WATTrouter ECO - user manual www.solarcontrols.cz MEASURED PARAMETERS AND STATUSES Measured values:  Power on ph. L… - the actual value of the active power measured on the relevant phase wire. Positive value means production (PV-plant supplies power to the grid); negative value means that power is being drawn from the grid.
  • Page 32 WATTrouter ECO - user manual www.solarcontrols.cz outputs are used together with inserted SC-Gateway module. If this error occurs connect the control circuits of all used SSRs to an external source.  Low tariff – if the low tariff signal is detected the red light comes on, otherwise is grayed.
  • Page 33: Input Settings Tab

    Example: Let us say you want to use WATTrouter ECO in a facility where the main circuit breaker is rated up to 3x400A. In this case you have to buy external current transformers with ratio 400A:5A.
  • Page 34 WATTrouter ECO - user manual www.solarcontrols.cz Caution: Use only external CTs for large facilities and large PV-plant power outputs. If you are using a high conversion ratio of external CTs, you have to take into account that (relatively) small power outputs (in the example describing the optimized conversion rate 400A:20A, the limit represents approximately 0.75 kW per phase) are below the resolution capacity of the measuring inputs and...
  • Page 35: Output Settings Tab

    WATTrouter ECO - user manual www.solarcontrols.cz ILx - one whole half-period of measured current is displayed, the value for zero measured power should be around 0-10 digits. For more information about this view, see chapter Setting up main function. b. FB - logic 1 (about 4000 digits) will be displayed for active pulse or logic 0 (about 10 digits) for the space between pulses from the meter.
  • Page 36 WATTrouter ECO - user manual www.solarcontrols.cz  Phase – if using the "Each phase independently" control mode you have to set the phase wire for each output where the relevant load is connected to. The setting must correspond with the reality. Use the TEST button to verify that.
  • Page 37 WATTrouter ECO - user manual www.solarcontrols.cz  Prepend before SSRs – allows prepending the relay output before specified number of proportional outputs. Fill in 1 if you want a relay with lower priority to switch on when assumed load power on nearest higher priority proportional output reaches the relay's “Connected power”...
  • Page 38 WATTrouter ECO - user manual www.solarcontrols.cz surplus reaches 2 kW the 2 heating coil will be connected (prepended) before boiler and 1 heating coil. Note: The Prepend function does not affect relay output priorities. For example, if the relay 2 is set to the nearest lower priority than the relay 1 but has a higher Prepend value than the relay 1, the relay 2 will not be prepended before the relay 1.
  • Page 39: Time Schedules Tab

    WATTrouter ECO - user manual www.solarcontrols.cz increasing this value significantly. This time delay is not active in CombiWATT and TEST mode. Here it is assumed that the low tariff activity time is always sufficiently long in case of double tariff rates.
  • Page 40 WATTrouter ECO - user manual www.solarcontrols.cz Time schedules operate independently of the basic regulation mode. If used inappropriately, time schedules may worsen the energy efficiency of your facility. Setting up time schedules depends entirely on your creativity and provides a wide range of different combinations. Only...
  • Page 41: Other Settings Tab

    WATTrouter ECO - user manual www.solarcontrols.cz  Energy – if you mark this field, the time schedule activity additionally depends on the status of the daily energy counter of the relevant output (the "Supplied energy" fields). Again the function differs based on the time schedule mode: a) Restricted mode –...
  • Page 42 WATTrouter ECO - user manual www.solarcontrols.cz consumption indicator, but during normal and stable control statuses some surplus energy flows unused into public grid. If you use standard connection and configuration, then it is not recommended to use positive offset. ...
  • Page 43 WATTrouter ECO - user manual www.solarcontrols.cz stations, large number of switching sources, etc.), even though the inverter does not work. The cause may be even the inverter itself. In this case, the regulator displays small amounts of positive active power in either phase wire. Reason for this is significant reactive power, which is drawn by those devices and measured by WATTrouter near the "recognition line"...
  • Page 44: Statistics Tab

    WATTrouter ECO - user manual www.solarcontrols.cz  Update firmware button - allows you to update firmware of this product. Updates are freely accessible in Download section at manufacturer’s web pages. If there is an update available you may download it and install it.
  • Page 45 WATTrouter ECO - user manual www.solarcontrols.cz  Show for day –select the date for which to view daily statistics. You can display them for current date and last 7 days.  Phase Lx–displays information about the surplus (excess) energy, normal and low price energy tariff as well as (optionally) production, when counted with a FB input, in the current or selected day.
  • Page 46: Log Tab

    WATTrouter ECO - user manual www.solarcontrols.cz  Export- exports yearly statistics to a *.csv file that can be opened e.g. in MS-Excel. Exports data for last 24 months.  Import - imports annual statistics from the *.csv file. The file must contain annual statistics stored in WATTconfig Mx, M, or ECO.
  • Page 47: Usb/Com Driver Configuration Window

    WATTrouter ECO - user manual www.solarcontrols.cz USB/COM DRIVER CONFIGURATION WINDOW In this dialog box you may specify USB interface parameters. Port settings:  Port – if the USB driver correctly installed, you can find appropriate port COMx in drop – down menu.
  • Page 48: Buy Additional Features Window

    WATTrouter ECO - user manual www.solarcontrols.cz BUY ADDITIONAL FEATURES WINDOW In this dialog box you may buy and activate additional (optional) software features.  Additional features – shows available SW features including the price. In case of not listing the price, controller is missing internet connection or manufacturer’s web is not accessible.
  • Page 49: Led Statuses

    WATTrouter ECO - user manual www.solarcontrols.cz LED STATUSES The following table shows possible controller statuses indicated by built-in LEDs. Status Note LED PWR (green) The controller is switched on and no output is active. Flashes The controller is switched on and some outputs are active.
  • Page 50: Configuration Examples

    8.6 kWh. Boiler is connected to SSR output No. 1, WATTrouter ECO device uses low tariff signal and the boiler operates under CombiWATT mode.
  • Page 51 WATTrouter ECO - user manual www.solarcontrols.cz The time schedule is configured for the boiler between 15:00 and 19:00. It becomes active only if the low tariff is available. This allows you to heat up water for evening use, provided that during morning and afternoon hours the boiler was not sufficiently heated up by power supplied by the PV-plant.
  • Page 52: Example No. 2 - All 6 Loads, Control Mode - Sum Of All Phases

    SSR outputs). We recommend using separate contactors for motors, but due to their low power consumption rate it is not really necessary. WATTrouter ECO device uses low tariff signal and the boiler and swimming pool filtration motors operate under CombiWATT mode.
  • Page 53 WATTrouter ECO - user manual www.solarcontrols.cz Time schedule for boiler is set the same as in example No. 1. Two time schedules are assigned for pool filtering pump. The first of them describes restriction of the output during "daytime" between 8:00 and 23:00. This restriction ensures the motor runs approximately 6 hours and therefore, it applies only if the daily energy counter exceeds 1.8 kWh.
  • Page 54: Example No. 3 - All 6 Loads, Control Mode - Each Phase Independently

    WATTrouter ECO - user manual www.solarcontrols.cz EXAMPLE NO. 3 – ALL 6 LOADS, CONTROL MODE - EACH PHASE INDEPENDENTLY Loads specified in example No. 2 but more complex connection. Control mode is set for each phase independently. Connect the following to L1 phase: - boiler has 1st priority (SSR 1 No.
  • Page 55 WATTrouter ECO - user manual www.solarcontrols.cz Time schedules are the same as in example No. 2. How to fit and setup the device Page 55 from 66...
  • Page 56: Example No. 4 - 5 Loads, Control Mode - Each Phase Independently

    WATTrouter ECO - user manual www.solarcontrols.cz EXAMPLE NO. 4 – 5 LOADS, CONTROL MODE - EACH PHASE INDEPENDENTLY Boiler and pool filtering system specified in example No. 2 plus 2 resistive electric heaters and a heat pump used to heat the swimming pool. Everything in more complex connection plus control mode set for each phase separately.
  • Page 57 WATTrouter ECO - user manual www.solarcontrols.cz Time schedules are the same as in example No. 2. How to fit and setup the device Page 57 from 66...
  • Page 58: Troubleshooting

    WATTrouter ECO - user manual www.solarcontrols.cz TROUBLESHOOTING The following table shows the most frequent problems and usual solutions: Problem description Possible causes Solution The controller has been fitted The circuit breaker is on Check or measure whether there is any...
  • Page 59 WATTrouter ECO - user manual www.solarcontrols.cz according to chapter Setting up main function and check with Input checking oscilloscope. Incorrect current Make sure that for all ILx inputs the orientation settings “Current orientation” field is correctly set. Perform the settings according to chapter Make sure that for all ILx inputs the “Current orientation”...
  • Page 60 WATTrouter ECO - user manual www.solarcontrols.cz The load is connected Check whether the load is fitted for correctly but cannot be example with a thermal protection system switched on or a thermostat, which is currently off. Wireless peripheral device Check functions of wireless peripheral is off or out of the range.
  • Page 61 WATTrouter ECO - user manual www.solarcontrols.cz Solid state relay (SSR) does not SSR is not connected Check for proper terminal connection and switch on correctly observe polarity of SSR anodes. Incompatible relay Always use a SSR with zero cross switch and minimum DC control voltage of 4VDC.
  • Page 62 WATTrouter ECO - user manual www.solarcontrols.cz module the red LED is still with SC-Gateway module blinking is out of range The master controller Activate the appropriate wireless output with SC-Gateway module (WLS) in the master system so that the does not communicate...
  • Page 63: Maintenance And Repairs

    WATTrouter ECO - user manual www.solarcontrols.cz MAINTENANCE AND REPAIRS The regulator and current sensing module have been designed as maintenance-free units, provided that they were configured and fitted according to instructions specified in this manual. We recommend inspecting the operation of the entire system at regular intervals (at least once in a month, for example, when inspecting the status of the PV-plant).
  • Page 64: Technical Specifications

    WATTrouter ECO - user manual www.solarcontrols.cz TECHNICAL SPECIFICATIONS Parameter Value, notes Main parameters Supply voltage 230 V, 50 Hz Power consumption – stand-by mode <3 VA Power consumption – 1 relay output 0.4 W Power consumption – all outputs switched on and...
  • Page 65: Recycling

    WATTrouter ECO - user manual www.solarcontrols.cz Relay output off-delay time Programmable (minimum of 2s) Other parameters Maximum diameter of wires connected to terminals 2.5 mm Maximum diameter of wires passing through 9 mm (including insulation) measuring transformers Distance of the current sensing module and the <2 m (longer wires are acceptable, but they reduce...
  • Page 66: Declaration Of Conformity

    WATTrouter ECO - user manual www.solarcontrols.cz DECLARATION OF CONFORMITY Company: SOLAR controls s.r.o. (manufacturer name) Brojova 25, Plzeň, 32600, Czech Republic (manufacturer address) 29109795 (manufacturer id) Hereby declares that this product: WATTrouter ECO (product name) WRE 01/06/14 (regulator) and WT 02/10 (current sensing modules)

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