RESOL® DL2 Datalogger
Solar controller DeltaSol® A/AX/AX HE
The DeltaSol® A, DeltaSol® AX and DeltaSol® AX HE controllers are the simplest solution for all differential controls. The version DeltaSol® A is equipped with an adjustable temperature difference and an antifreeze function. The version DeltaSol® AX presents an extended version which is additionally equipped with an adjustable target temperature for minimum or maximum temperature limitation. Equipped with an electromechanical relay and a PWM output, the DeltaSol® AX HE controller manages the speed control of a high-efficiency pump. The enclosed silicone sealing cord guarantees a protection against dripping water.
- Adjustable temperature difference 2-16 K, hysteresis 1.6 K
- Antifreeze function adjustable by jumper/DIP switch
- Maximum or minimum temperature limitations adjustable by DIP switch (DeltaSol® AX/AX HE)
- Protection against dripping water
- Speed control of a high-efficiency pump with adjustable minimum speed (DeltaSol® AX HE)
Specifications - RESOL DeltaSol® BS/4 Solar Controller
RESOL DeltaSol® BS/4 controller has 3 basic system layouts to choose from
Heat quantity measurement
Tube collector function, thermal disinfection function
Unit ºF and ºC selectable
HE pump control via adapter
Aux relay for hot water system element can be easily added to this model
Take a moment to browse our site. We stock a range of accessories to suit the RESOL DeltaSol® BS/4 controller. Accessories are easy to connect to the VBus on the controller. It is as easy as adding a sensor. The RESOL DeltaSol® BS/4 controller is used in the Apricus and Thermann solar hot water systems.
The RESOL DeltaSol® BS/4 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.