Fronius Ohmpilot 9.0-3 – Consumption controller for PV hot water up to 9 kW

The Fronius Ohmpilot 9.0-3 It uses excess solar power for the stepless control of suitable resistive heating appliances. It regulates single-phase loads up to 3 kW and three-phase loads up to 9 kW, for example, for a suitable immersion heater in a hot water storage tank. A compatible Fronius system with energy metering provides the necessary measurement data. This allows excess PV power to be used additionally for heating within the household.

Delivery

1× Fronius Ohmpilot 9.0-3 (4,050,016)

Produktvorteile

-- Use excess solar energy as heat
Suitable heating appliances can be controlled depending on the available surplus.

-- Stepless power control
The controller adjusts the heating power within the permissible single- or three-phase limits.

-- Mehrere Kommunikationswege
LAN, WLAN or Modbus RTU allow integration according to the plant concept.

-- Temperature measurement possible
A suitable PT1000 sensor can be added for temperature-dependent functions.

Compatibility

For suitable resistive heating appliances and a supported Fronius energy management system with smart meter. Heating element, storage tank, and, if applicable, temperature sensor must be selected separately. Installation is intended for indoor use only, at temperatures between 0 and +40 °C. Electrical connection and system design must be performed by a qualified electrician.

Technical information

-- Single-phase control range: 0–3 kW
-- Three-phase control range: 0–9 kW
-- Nominal voltage: 230 / 400 V
-- Mains frequency: 50 Hz
-- Max. input current: 1 × 16 A / 3 × 16 A
-- Data connection: RS485, LAN, WLAN
-- Temperature sensor connection: PT1000, maximum 30 m
-- Protection class: IP54
-- Installation: Wall mounting indoors
-- Ambient temperature: 0 to +40 °C
-- Dimensions H × W × D: 350 × 280 × 110 mm
-- Weight: 3,9 kg
-- Standby power consumption: Typically 1,8 W

Matching accessories and related products

Fronius Smart Meter IP 5kA-3 42,0411,0347.

Other Fronius products for comparison:

-- Fronius Smart Meter TS 65A-3 – three-phase energy meter up to 65 A

-- Fronius Symo GEN24 8.0 Plus SC – 8 kW hybrid inverter, 3-phase

-- Fronius Verto 25.0 Plus – 25 kW hybrid inverter, 3-phase

Why Mini Power

At the Fronius Ohmpilot The appropriate selection depends on your heating appliance and the existing energy management system. Mini Power compiles information on the control range, connection options, and site conditions so that you can review these points with your specialist before purchasing. The scope of delivery, including the additionally required heating element and measuring device, is described separately. This simplifies the planning process. PV surplus regulation, which is suitable for the hot water storage tank and the actual available power reserves of your system.

Frequently asked questions

-- Does it include a heating element?

No. The consumption regulator is offered.

-- Can I mount the device outdoors?

No. The instructions specify indoor installation at temperatures between 0 and +40 °C.

-- What is the maximum adjustable heating output?

Single-phase up to 3 kW, three-phase up to 9 kW with suitable load and correct connection.