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Solarmi GETI GWH03W 4000W MPPT inverter/controller for water heating system, 4kW, Wi-Fi

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7 963 CZK 6 581 CZK without VAT
Common price: 7 999 CZK

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Code: SOPSMI0034 PN: GWH03W Warranty: 26 months
Výrobce: XTEND Solarmi
Solarmi GETI GWH03W Solar inverter GETI GWH03W 4000 W MPPT for PV water heating. The GETI GWH03W solar inverter is particularly suitable for use in PV water heating systems. Save costs and heat water with solar energy... more
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Solarmi GETI GWH03W

Solar inverter GETI GWH03W 4000 W MPPT for PV water heating.

The GETI GWH03W solar inverter is particularly suitable for use in PV water heating systems.
Save costs and heat water with solar energy today. Thanks to the GETI GWH03W solar inverter with automatic grid switching and the option to independently set the water temperature for PV or AC heating, you can significantly reduce your hot water heating costs.

The inverter developed for PV water heating allows PV panel systems to be used directly to power resistance heating devices such as boilers, heaters, heating mats or heating coils. The inverter is also equipped with an AC input that allows the inverter to be connected to the mains voltage and heat water even when solar radiation is insufficient for heating.

The inverter is equipped with remote control and monitoring via Wi-Fi network and a clear app, a large easy-to-understand LED display, a 3 m temperature sensor and independent temperature setting for heating water from both PV and AC mains. The inverter also has a forced heating function. This function is only available in the app and can be used to activate mains heating if required. The inverter is compatible with most boilers on the market.

Please note: The GETI GWH inverter is only suitable for resistive loads with a bimetal thermostat. It is not suitable for electronically controlled thermostats! The output of the inverter (L, N) must not be connected to the mains or earth! The inverter output must not be connected to a TN-C system.

The system is simple, requiring only the connection of an appropriate number of photovoltaic panels with a maximum output of 4000 W with an operating voltage of 160-420 V DC, a mains voltage of 230 V AC and connection to a resistive load, e.g. heating coil, electric boiler, electric radiator or underfloor heating, and circuit breakers.
The DC current generated in the panels, which cannot be fed directly to the heating equipment, is converted in the inverter into AC current that can be used to power the heating equipment.
The maximum output of the system is 4000 W. The inverter has a priority input from the PV panels and in case of power shortage on these panels, the system is backed up by the 230 V AC grid voltage.

  • Water heating with resistance load (heating coil, boiler)
  • Remote monitoring via Wi-Fi network
  • Remote monitoring
  • Forced hot water heating from the network remotely
  • Temperature sensor
  • Independent temperature setting for PV and AC heating
  • Automatic switching between networks (PV / 230 V AC network)
  • Operating modes: PV only as island system or automatic PV + grid mode
  • Quiet operation to ensure passive cooling
  • Efficient monitoring of maximum power output on panels using MPPT

The GETI GWH03W inverter is equipped with a clear LED display that informs the user about the current and set values:

  • Indication of water heating from PV panels
  • Indication of water heating from 230 V AC mains
  • Current and set water temperature (PV, AC)
  • PV power and PV voltage
  • Indication of operation
  • Fault status indication

Technical parameters:

  • Switching logic: solar heating takes priority, when the solar input voltage is lower than 100 V DC, the inverter switches to the grid. When the solar input voltage is higher than 150 V DC, the MPPT will start working and supply power.
  • Load type: resistive with bimetal thermostat (not suitable for electronically controlled thermostats!)
  • The value of the resistive load must not be less than 13 ohms
  • PV panel connection: series or series-parallel
  • Priority input: PV panels
  • Input short-circuit protection
  • Protection against overheating
  • PV panel input connection: MC4 connectors
  • Input connection 230 V AC: screw terminal
  • Output connection 230 V AC: screw terminal

MAIN SPECIFICATIONS

Temperature range for heating: 35-80 °C
MPPT function: yes
Wi-Fi: yes
Efficiency: >99%
Degree of protection: IP33
Material: aluminium + metal
Operating temperature: -25-55 °C
Dimensions: 195 × 183 × 100 mm
Weight: 2.4 kg

Solar power supply
Max. input solar power: 4000 W
Max. input current: <20 A
Input voltage range: 160-420 V DC
MPPT operating voltage range: 150-370 V DC
MPPT efficiency: >99%
Output voltage range: 0-260 V AC
Output current range: <20 A

Mains power supply
Rated AC power: 4000 W
Rated AC voltage: 230 V AC
AC input voltage range: 180-260 V AC
Rated AC current: <20 A

Brand
Type specification :  Regulator
Manufacturer :  XTEND Solarmi
Technical specification
Maximum Power (W) :  4000
Max. operating temperature (°C) :  55
Min. operating temperature (°C) :  -25
Power supply
Rated Voltage (V) :  230 (AC)
Phase :  single-phase
Input Voltage (V) :  160–420 (DC)
Input Voltage (V) :  230 (AC)
Output voltage (V) :  0–260 (AC)
Output Power (W) :  4000
Warranty
Warranty period EU (months) :  26
Warranty period CRN (months) :  26
Physical properties
Depth (mm) :  100
Weight (kg) :  2.4
Width (mm) :  183
Height (mm) :  195
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