Solar and differential temperature controllers
DeltaSol® AL
The DeltaSol® AL solar controller is a temperature differential controller that offers all vital functions for a standard solar thermal system. The controller is equipped with the comprehensible System-Monitoring-Display, which visualises the system parameters quickly and easily. For data communication, the controller has a RESOL VBus® to which additional modules such as remote displays or dataloggers can be connected.
The DeltaSol® AL offers e. g. a heat quantity measurement, a solar operating hours counter and can be switched between °C and °F. Operation and function control are as easy as usual.
- System-Monitoring-Display
- Up to 3 Pt1000 temperature sensors
- Heat quantity measurement
- Function control
- Solar operating hours counter
- Housing with brand new design
- Intuitive operating concept
- RESOL VBus®
- Extra-low standby power consumption
DeltaSol® MX
The DeltaSol® MX is equipped with 13 relay outputs, four PWM outputs for the speed control of energy-saving high-efficiency pumps; two of the PWM outputs can be converted into 0-10 V signal outputs. Additionally, the controller has one frequency input, three impulse inputs as well as a range of different sensor inputs. Up to four extension modules can be connected via the RESOL VBus®.
The integrated SD memory card slot enables an easy datalogging to an SD memory card as well as a quick and effortless transfer of logged system data to a PC. The large full graphic display allows the direct display of balance and progression diagrams.
Pre-defined functions allow easier parametrization of the system; functional additions such as a drainback option broaden the range of applications.
- Full graphic display
- 15 relay outputs
- 12 sensor inputs
- Inputs for Grundfos Direct SensorsTM
- Speed control of high-efficiency pumps
- Datalogging onto SD memory card
- Drainback option
- RESOL VBus®
- Energy-saving switching-mode power supply
DeltaSol® BX
The DeltaSol® BX is equipped with four relay outputs as well as two PWM outputs for the speed control of energy-saving high-efficiency pumps. Additionally, the controller is equipped with five Pt1000 sensor inputs, two analog Grundfos sensor inputs, an impulse input as well as a supplemental L’-output for the connection of an actuator.
The integrated SD memory card slot enables an easy datalogging to an SD memory card as well as a quick and effortless transfer of logged system data to a PC. The extra-large display vouches for a precise visualization of the system status.
Pre-defined functions allow easier parametrization of the system; functional additions such as a drainback option broaden the range of applications. Of course, the DeltaSol® BX is also equipped with a RESOL VBus®.
- Extra large display
- 4 relay outputs
- 7 sensor inputs
- Inputs for Grundfos Direct SensorsTM
- Speed control of high-efficiency pumps
- Datalogging onto SD memory card
- Drainback option
- Heat dump function
- RESOL VBus®
- Energy-saving switching-mode power supply
DeltaSol® BS
The RESOL DeltaSol® BS controller is a simple differential controller used in standard solar thermal systems. The controller offers a clear operating concept and is equipped with the illuminated display with system-monitoring. Flashing symbols for sensors, pumps and valves enable an immediate display of temperatures, temperature differences and active outputs. Adjustment and control of the solar system can be easily carried out. The controller offers functions such as a drainback function.
The controller is available in the versions BS/1 to BS/4. An extension to the standard version of the controller DeltaSol® BS/1 with 1 standard-relay is the DeltaSol® BS/3 with 2 standard-relays and an additional thermostat function. It offers functions such as a drainback function and a heat dump function. The RESOL DeltaSol® BS/2 controller offers a drainback function and is equipped with a semiconductor relay for pump speed control. The RESOL DeltaSol® BS/4 has a heat dump function and a drainback function including a booster function. The controller is equipped with 1 standard relay and 1 semiconductor relay for pump speed control.
- Illuminated system-monitoring-display
- Up to 4 Pt1000 temperature sensors
- Solar operating hours counter
- Thermostat function (BS3/BS4)
- Up to 3 basic systems selectable (BS3/BS4)
- Energy metering
- Tube collector function
- Drainback option including booster function (Booster fuction BS3/BS4)
- Heat dump function (BS3/BS4)
- Function control
- RESOL VBus®
- Programming and remote control of the system via RESOL ServiceCenter Software possible
- Housing with outstanding design
- User-friendly operation
- Pump speed control (BS2/BS4)
DeltaSol® BS Plus
The RESOL DeltaSol® BS Plus system controller is pre-programmed for different systems and is equipped with a energy metering function, a realtime clock and the RESOL VBus®.
The multi-functional and illuminated display enables system-monitoring for intuitive and safe controller configuration and comprehensive visualization of the system status. Simple pictograms provide information on function and operating status of the controller and the system.
This version is equipped with 4 inputs for Pt1000 temperature sensors, tank temperature limitation and manual operation mode. The central element is the 3-key-field below the display.
- Thermostat function
- Illuminated system-monitoring-display
- Up to 4 Pt1000 temperature sensors
- 2 relays for pump speed control
- Drainback option including booster function
- Heat dump function
- 10 systems selectable
- Energy metering
- Function control
- RESOL VBus®
- Programming and remote control of the system via RESOL ServiceCenter software possible
DeltaSol® ES
The number of sensor inputs and relay outputs (10/6) bridges the gap between the versions DeltaSol® BS and DeltaSol® M. The sophisticated and shapely design as well as the proven user-friendly operation of this product series are continued and also upgraded by further adjustable parameters.The controller is pre-programmed for 36 solar and heating systems, the individual installation configuration can be selected via the menu and represented graphically via the system-monitoring display. For data communication and remote maintenance, the controller is equipped with the RESOL VBus® which permits two-way communication between modules, PCs or dataloggers.
- llluminated system-monitoring-display
- 36 basic systems to choose from
- Pump speed control, solar operating hours counter
and energy metering - 8 sensor inputs
- 7 relay outputs
- Function control
- RESOL VBus®
- User-friendly operation
- Easy-to-mount housing with outstanding design
DeltaSol® E
The DeltaSol® E controller is designed for solar thermal systems and heating systems. It is pre-programmed for 7 basic solar systems and up to 30 variations which can even be used to control large systems. A multitude of adjustable functions and options are possible using 7 relay outputs, 13 sensor inputs for Pt1000, CS10, V40 and Din. Due to its intelligent and easy-to-understand system configuration and its integrated calorimeter, the controller also offers the control of complex systems with up to 4 weathercompensated heating circuits. For data communication and remote maintenance, the controller is equipped with the RESOL VBus®, which permits two-way communication between modules, PC‘s or data loggers.
- 7 basic solar systems are possible
- Pump speed control, solar operating hours counter and energy metering
- Internal calorimeter
- 1 internal heating circuit and control of 3 additional weather-compensated heating circuits by additional modules
- 13 sensor inputs
- 7 relay outputs
- Function control
- RESOL VBus®
- Housing with outstanding design
- User-friendly operation
DeltaSol® M
The DeltaSol® M is equipped with a multi-lingual menu, 9 relay outputs and 12 sensor inputs as well as a multitude of add-on functions and options, which enable the adaptation of the controller to individual solar and heatingsystems. The controller is equipped with an interface for communication with the RESOL ServiceCenter Software.
- Illuminated text display with menu navigation
- 12 sensor inputs
- 9 relay outputs
- 7 variable basic solar systems
- Add-on options and functions
- Free allocation for temperature difference and thermostat functions
- RESOL VBus® and RS232-interface
- User-friendly operation
DeltaSol® Pool
The RESOL DeltaSol® Pool is a controller for heating a swimming pool by means of solar collectors and optimised operation of the filter system. Back up heating of the swimming pool is varied according to solar power and pool demand, thus saving expensive energy. Furthermore, the controller is equipped with a function control which shows whether the system runs faultlessly or if there is an error.
The controller has many additional pool functions such as: additional filter runtime, maximum limitation of flow temperature and a flushing function.
The DeltaSol® Pool can easily be connected to other modules via the RESOL VBus®.
- Controller for heating a swimming pool by means of solar collectors and optimised operation of the filter system
- Solar operating hours counter and energy metering
- 13 sensor inputs
- 7 relay outputs
- Function control
- RESOL VBus®
- Filter runtime monitoring
- Maximum flow temperature limitation
- Collector cooling function
- Collector emergency shutdown
- Pump monitoring
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