The DeltaSol® BX is equipped with 26 pre-programmed basic systems for a broad range of 1- and 2-store systems. Pre-defined functions facilitate system parameterisation. With the integrated SD card slot, system data can easily be logged and transferred to a computer.
Solar controller for simple solar and heating systems, incl. SD card
Max. number of collector fields:
2
Max. number of stores:
2 [DeltaSol® BX], 3 [DeltaSol® BXL]
Speed control of standard pumps:
Speed control of HE pumps:
■ via integrated PWM output:
Temperature sensor inputs:
5
Inputs for Grundfos Direct Sensors™:
analogue [DeltaSol® BX]
Impulse inputs for V40 flowmeter:
1
Relay outputs in total:
4
■ semiconductor relays (speed control):
3 (3)
■ electromechanical relay:
1
PWM outputs:
2 [DeltaSol® BX]
Data interface:
VBus®, SD card
Power supply:
100 … 240 V~
■ with flowmeter:
1
■ with Grundfos Direct Sensors™:
VFS [DeltaSol® BX]
Antifreeze function for solar circuit:
Collector minimum limitation:
Collector emergency shutdown:
Store maximum limitation:
Store emergency shutdown:
Drainback option:
1 [DeltaSol
® BX]
■ with adjustable time frame, interval:
Additional ΔT control:
1
Heat dump function:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
Heat exchange:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
Store loading in layers:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
Priority loading:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
■ Parallel loading:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
■ Store sequence control:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
■ Progressive loading:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
■ Successive loading:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
■ Spreaded loading:

[DeltaSol
® BX],
1 [DeltaSol
® BX L]
Cooling functions and cooling mode:
Flow rate monitoring:

[DeltaSol
® BX]
Pressure monitoring:

[DeltaSol
® BX]
■ Thermal disinfection:

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Heating circuit return preheating:
1 [DeltaSol
® BX]
Solid fuel boiler:
1 [DeltaSol
® BX]