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RESOL DeltaSol SLL Solar 1-2 controller

$269.74 $134.87

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RESOL DeltaSol SLL Solar 1-2 sensor controller

**The RESOL DeltaSol SLL controller is the replacement controller for the Resol DeltaSol BS/4, BS/2, BS Plus, AX and AL controllers.**

The DeltaSol SLL is the smallest controller of the SL series. It is optimised for small and medium-sized solar thermal and heating systems, with 2 pre-configured basic systems available. The DeltaSol SLL offers automatic function control according to the VDI 2169 directive, and a V40 flowmeter input for heat quantity measurement.
Features:
  • Microbuttons for quick access to manual mode and the holiday function
  • 2 semiconductor relay outputs, both suitable for pump speed control
  • 4 inputs for Pt1000, Pt500 or KTY temperature sensors
  • 1 V40 impulse input for heat quantity measurement
  • 2 PWM outputs for speed control of high-efficiency pumps
  • 2 basic system layouts to choose from
  • Tube collector function, drainback option, and thermostat/backup heating function
  • Cooling functions including heat dump (System 1 only)
  • Automatic function control according to VDI 2169

Please read before ordering Australian version

The DeltaSol SLL supplied in Australia is a market-specific version, confirmed by RESOL. It does not include a thermal disinfection function, an SD card slot, or VBus RPT remote parameterisation. If your existing controller uses any of these, please contact us before ordering.

The RESOL DeltaSol SLL 1-2 controller comes with:
  • 1 x 20m roof sensor
  • 1 x 2.5m tank sensor
  • 1 x 5g thermal heat paste
  • Australian power supply (fitted)
  • Female pump lead (fitted)

Take a moment to browse our site. We stock a range of accessories to suit the RESOL DeltaSol SLL controller. Accessories are easy to connect to the VBus on the controller. It is as easy as adding a sensor. The RESOL DeltaSol SLL is used in the Apricus, Dux and Thermann solar hot water systems.

The RESOL DeltaSol SLL controller has an IP rating of 20, which is fine for indoor use. If using outside, we recommend using a moisture-proof housing. We sell a version of this controller which includes a moisture-proof housing. Take a moment to browse our Pump Station section in Parts for more information.

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