Midea MHELIOS Installer's Manual
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Midea MHELIOS Installer's Manual

Midea MHELIOS Installer's Manual

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Installer Guide
Note: Please read this manual before using this product and retain it forfuture reference.
Due to ongoing product improvement, the design and specifications may vary from the
actual unit. All diagrams are therefore for reference only and the actual unit is to
be considered as standard.

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Summary of Contents for Midea MHELIOS

  • Page 1 Installer Guide Note: Please read this manual before using this product and retain it forfuture reference. Due to ongoing product improvement, the design and specifications may vary from the actual unit. All diagrams are therefore for reference only and the actual unit is to be considered as standard.

  • Page 2: Table Of Contents

    Thank you for choosing Midea. Contents goMsolar guide ....................02 Download the goMSolar App ...................... Register an Account .......................... 02 Connecting to the HEMS ................02 Establish Bluetooth Connection ....................03 Quick Settings ............................ 05 Onboarding the Heat Pump ......................

  • Page 3: Gomsolar Guide

    goMsolar guide This app is for professional installers only. 1. Download the goMSolar App Please download the app using one of the following methods: Method 1: Scan the following QR code and download the latest version. Method 2: Search for goMSolar on the App Store or Google Play app market and download the latest version.

  • Page 4: Connecting To The Hems

    Connecting to the HEMS 3. Establish Bluetooth Connection Note: • All the devices required for the setup should be installed before proceeding with the configuration. Make sure that the device you wish to connect to is powered on. In the ●...

  • Page 5: Quick Settings

    4. Quick Settings From the home screen tap on the “Commissioning” icon at the bottom of the screen. Then tap on “Quick Settings” The system will check the type a number of sub devices connected to the on- ● boarded equipment in real time. The installer can configure devices further in the “Quick Settings”...

  • Page 6: Onboarding The Heat Pump

    PV String 2 Capacity Insert the power range of the PV2 string. 0 - 10kW Feed-In Control Allow the user to control Feed-In Disable ● Enable ● Limit Control Set limits per phase or for the entire system All phase ●...

  • Page 7: Onboarding The Ev Charger

    4.2 Onboarding the EV Charger From “Quick Settings” navigate to “Device Detection” and tap on the “+” icon. ● Select “EV Charger”. Input the required values for the device you are onboarding and tap on “Add”. ● 5. Energy flow diagram Once the devices are onboarded, the real time energy flow can be seen in the ●...

  • Page 8: Maintenance

    6. Maintenance From the home screen, tap on the “Commissioning” icon at the bottom of the screen and then tap on “Maintenance”. 6.1 IPS self-test You can initiate the IPS self-test function on the Maintenance page, which can verify the parameters and export the historical report from here.
  • Page 9 Feature supports the checking of the following parameters. IPS self-test type Protected value default Protection time default 253V 2900ms Ten Minute Over Voltage (59.S1) 264.5V 200ms Maximum overvoltage (59.S2) 195.5V 1500ms Minimum undervoltage (27.S1) Undervoltage minimum (27.S2) 34.5V 200ms Overfrequency maximum (81.S1) 50.2Hz 100ms Overfrequency maximum (81.S2)
  • Page 10 Battery Parameters Description Value Range Max Charge Power Retain this parameter to the maximum 0 - Max charge power charge power. Additional configuration is not required Max Discharge Power Retain this parameter to the maximum 0 - Max discharge power discharge power.

  • Page 11: Alarm Management

    7. Alarm Management From the home screen, tap on “Commissioning” and then “Alarm Management” to configure alarms. The specific faults and corresponding indicator lights are shown in the table below:...
  • Page 12 Definition of alarm severity : Major: The inverter is faulty. As a result, the output power decreases or the ● grid-tied power generation is stopped. Minor: Some components are faulty without a ecting the grid-tied power ● generation. Warning: The inverter works properly. The output power decreases or some ●...
  • Page 13 Charge from Grid Allow the battery to be charge from the grid. Disable Control Enable ● Maximum Charge Maximum power from grid 0 - 5kW Power from Grid ESS Control Mode Set default preference for the Energy Storage maximum self-consumption ●...
  • Page 14 1011 Grid Minor The grid voltage is If the alarm is triggered undervoltage below the lower occasionally, the power grid may threshold or the be in a temporary abnormal state. low-voltage duration The inverter will automatically has lasted for more recover after detecting that the than the value power grid has stabilized.
  • Page 15 1012 Grid Minor Power grid If the alarm is triggered occasion- overfrequency exception: The ally, the power grid may be in a actual power temporary abnormal state. The grid frequency is inverter will automatically recover higher than the after detecting that the power grid requirements for has stabilized the local power...
  • Page 16 1015 AC-backup Minor The backup load Try to reduce the load power output power exceeds If it not possible to resolve the overcurrent the upper problem, contact your dealer or threshold technical support. 2001 Power module Major The installation Check that the ventilation is overtemperature position of the adequate and if required try to...
  • Page 17 2005 Abnormal BMS Major The power Turn o the battery DC switch. communication module is unable Check that the power cables and to communicate communications cables are with the battery correctly connected to the battery expansion expansion modules modules After checking that everything is connected correctly, turn the battery DC switch on.

  • Page 18: Settings

    8. Settings On the home screen, choose Commissioning -> Settings to access the parameter setting screen. Note The list of parameters provided in this document vary from your device Model. ● Grid codes may also be di erent. As the app is regularly updated, the images provided might vary.
  • Page 19 Item Parameter Description Value Range Grid code Set this parameter based on e.g. CHINA-LV220/ 380 the grid code of the country Custom（50Hz） or region of the installation and the usage scenario Automatic Allow the inverter to Disable ● startup upon grid automatically start after the Enable ●...
  • Page 20 Control mode Set this parameter based on Disable ● the grid code of the country Enable ● or region of the installation and the usage scenario Load type Allow the inverter to Combo ● automatically start after the Load Control ●...
  • Page 21 Level-1 OV Level 1 overvoltage 220 - 330V protection protection threshold threshold Level-1 OV Level 1 overvoltage 50 - 7 200 000ms protection time protection duration Level-2 OV Level-2 overvoltage 220 - 330V protection protection threshold threshold Level-2 OV Level-2 overvoltage 50 - 7 200 000ms protection time protection duration...
  • Page 22 Level-1 UF Level-1 underfrequency 50 - 7 200 000ms protection time protection duration Level-2 UF Level-2 underfrequency 40 - 50V protection protection threshold threshold Level-2 UF Level-2 underfrequency 50 - 7 200 000ms protection time protection duration Level-3 UF Level-3 underfrequency 40 - 50V protection protection threshold...
  • Page 23 LVRT cut-o Set low voltage ride 100 - 30 000 ms voltage time through cut-o voltage time Shutdown Speed of change when 0.1 - 2500 %/s gradient shutting the inverter down expressed as percentage per second Voltage rise Country or region specific. Disable ●...
  • Page 24 U value at the fifth The fifth point of the P (U) 50 - 120% point of P~U curve curve function, the ratio of voltage to rated voltage P/Pn value at The fifth point of the P 0 - 100% the fifth point (U) curve function, the of P~U curve...
  • Page 25 Over frequency If Enable d, the active 0: Disable derating power of the inverter will 1: Enable be derated when the grid frequency threshold is exceeded. Remote power If Enabled, the inverter will Disable ● schedule follow the remote port Enable ●...
  • Page 26 Cut-o power of 0 - 100% Power threshold for cutting overfrequency o overfrequency derating derating Power recovery Recovery rate of the 1 - 6 000%/min gradient of overfrequency derating overfrequency power derating Underfrequency 40 - 50Hz Underfrequency and load and load rise up opening frequency opening frequency...
  • Page 27 Minimum PF limit Minimum power limitation 0 - 1 of Q-U in reactive power Mode characteristic controlled by Q (U) curve curve Number of Q-U Number of Q (U) curve 2 - 10 characteristic points curve points U/Un value at the The first point of the Q (U) 80 - 136% first point of Q-U...
  • Page 28 Q/S value at the The sixth point of the Q (U) -0.6 - 0.6 sixth point of Q-U curve, the ratio of reactive curve power to rated power U/Un value at the The seventh point of the Q 80 - 136% seventh point of (U) curve, the ratio of Q-U curve...
  • Page 29 P/Pn value at the (P) The ratio of the 0 - 100% second point of power at the second point cos - P/Pn curve of the curve to the rated power value at the (P) Power factor at -10 - -0.8 second point of the second point of the 0.8 - 10...
  • Page 30 value at the (P) Power factor at -10 - -0.8 seventh point of the seventh point of the 0.8 - 10 cos - P/Pn curve curve P/Pn value at the (P) The ratio of the 0 - 100% eighth point of power at the eighth point cos - P/Pn curve of the curve to the rated...
  • Page 31 max charge Maximum battery charging 0 - 10kW power(total) power. max discharge maximum battery 0 - 10kW power(total) discharging power Grid charging If Charge from AC is 0 - 255 Common Disable d by default, Charge-Discharge comply with the grid Parameter charge requirements stipulated in local laws and...

  • Page 32: Web Manual

    Web Manual...

  • Page 33: Register An Account

    1. Register an Account If you already have an installer account, please skip this step. Go to https://energy.mhelios.com/ and login to the app using your phone number or email address. Alternatively, create a new account, ensuring that you have the company number at hand, provided by the supplier.

  • Page 34: Installer Functions

    4. Installer Functions 4.1 Alarms Choose Monitoring > Alarms, enter the Alarms settings menu to view the device's Active Alarms information and Historical Alarms information. Alarm Colour Description Critical Failure to handle it will develop into a safety related fault. Major Faults that cannot be self recovered and cannot be repaired by ordinary users.

  • Page 35: History

    4.2 History Enter the History to monitor and analyze the performance of Energy Manager, Storage, or Battery device by selecting di erent signal points or indicator items. 4.3 Settings 4.3.1 Device Management From the Overview screen you can see the current status of the HEMS: Normal, Standby, O Line, Warning or O -Grid.Choose Monitoring >...
  • Page 36 4.3.1.2 Forced charge/discharge When the inverter connects to a bat- tery, set battery parameters. The main purpose of forced charge and discharge is to execute planned energy storage energy dispatch. Therefore, the control strategy aims to quantitatively charge and dis- charge as much as possible according to the forced target SoC within the specified time.
  • Page 37 4.3.2.2 Charge from Grid Control The decision determines whether the battery can charge from grid. When "disable" is selected, there is no limit to the maximum grid charging power (Charge-Limit), but the maximum value is less than or equal to the rated power of the energy storage.
  • Page 38 4.3.4 Mode Setting 4.3.4.1 Backup Mode This module is only available if an energy storage battery is installed. It is disabled by default, with Reserve Energy for Grid Outage set to 0% and the value cannot be modified. When enabled, the user can adjust the percentage of reserve energy by dragging the small circle.

  • Page 39: Details

    4.4 Details Choose Monitoring > Details Select a device to see key attributes such as PV, battery and grid data. 4.5 Plants From the after-sale system, click on “Plants” to view summary information grouped by site (owner). 4.6 System 4.6.1 Installer Management From the after-sale system, click on “System”...
  • Page 40 Accounts with administrator permissions can manage the permissions of individual installer accounts at modify. 4.6.2 Device Management From the after-sale system, click on “System” > “Device Management” to view information on all of the company’s device . Accounts with administrator permissions can specify the corresponding installer for the device at modify.
  • Page 41 4.6.3 Company Management From the after-sale system, click on “System” >“ Company Management” to modify the company name. 4.6.4 Operating Log From the after-sale system, click on “System” >“ Operating Log” to retrieve the operating records of all installers or devices of the company.

  • Page 42: Trademarks, Copyrights Andlegal Statement

    Midea may constitute trademark infringement or unfair competition in violation of relevant laws. This manual is created by Midea and Midea reserves all copyrights thereof. No entity or individual may duplicate, modify, distribute in whole or in part this manual, or bundle or sell with other products without the prior written consent of Midea.

  • Page 43: Data Protection Notice

    European Economic Area. Further information will be provided on request. You can contact our Data Protection cer via MideaDPO@midea.com. To exercise your rights such as right to object to your personal date being processed for direct marketing purposes, please contact us via MideaDPO@midea.com.
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