5 relay outputs and 8 inputs for Pt1000, Pt500 or KTY temperature sensors
Up to 2 extension modules via RESOL VBus® (21 sensors and 15 relays in total)
Inputs for digital Grundfos Direct SensorsTM as well as for FRHd humidity sensors
Integrated control of up to 2 high-efficiency pumps via PWM outputs
Data logging, storing, easy transfer of controller adjustments prepared and firmware updates via SD card
Cooling over the heating circuit with condensation detection
Dew point calculation by means of the FRHd humidity sensor to avoid condensation
The DeltaSol® BX Plus is a system controller for multi-store solar and heating systems. The intuitive commissioning menu leads you through the system configuration by requiring the most important adjustments directly after connecting the controller. For an optimum overview, all sensor and relay allocations are listed in the service menu.
System controller for 2- and 3-store solar systems incl. PWM adapter cable and SD card
Inputs: 8 (9) inputs for Pt1000, Pt500 or KTY temperature sensors, 1 V40 impulse input, inputs for 2 digital Grundfos Direct Sensors™, 1 input for a CS10 irradiation sensor
* For the Inputs Gd1 and Gd2, the following sensor combinations are possible: 1 x RPD, 1 x VFD / 2 x VFD, but with different measuring ranges only / 1 x VFD, 1 x FRHd / 1 x RPD, 1 x FRHd
Outputs: 4 semiconductor relays, 1 potential-free relay, 2 PWM outputs
PWM frequency: 512 Hz
PWM voltage: 11,0 V
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
4 (1) A 24 V V DC/ 240 V~ (potential-free relay)
Total switching capacity: 4 A 240 V~
Power supply: 100 – 240 V~ (50 – 60 Hz)
Supply connection: type X attachment
Standby: 0.91 W
Temperature controls class: I
Energy efficiency contribution: 1 %
Mode of operation: type 1.B.C.Y action
Rated impulse voltage: 2.5 kV
Data interface: RESOL VBus®, SD card slot
VBus® current supply: 60 mA
Functions: system controller for solar and heating systems. functions such as: Δt control, pump speed control, heat quantity measurement, operating hours counter for the solar pump, tube collector function, thermostat function, store loading in layers, priority logic, drainback option, booster function, heat dump function, thermal disinfection function, PWM pump control, function control according to VDI 2169
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, mounting into patch panels is possible
Indication/Display: full graphic display, control lamp (directional pad) and background illumination
Operation: 7 push buttons
Ingress protection: IP 20 / IEC 60529
Protection class: I
Ambient temperature: 0…40 °C
Pollution degree: 2
Dimensions: 198 x 170 x 43 mm
Maximum altitude: 2000 m above MSL
Fuse: T4A
