Max. number of collector fields:
2
Max. number of stores:
2 [DeltaSol® BX], 3 [DeltaSol® BXL]
Weather-compensated heating circuits:
-
External heat exchanger:
-
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]
Input for CS10 irradiation sensor:
-
Impulse inputs for V40 flowmeter:
1
Relay outputs in total:
4
■ semiconductor relays (speed control):
3 (3)
■ electromechanical relay:
1
■ potential-free relay with changeover contact:
-
■ potential-free relay with normally open contact:
-
■ potential-free high-current relay:
-
PWM outputs:
2 [DeltaSol® BX]
■ convertible to 0-10 V:
-
Data interface:
VBus®, SD card
Power supply:
100 ... 240 V~
Heat quantity measurement
■ 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]
Irradiation-dependent bypass:
-
Afterheating suppression:
-
Twin pump for solar circuit:
-
Cooling functions and cooling mode:
Flow rate monitoring:

[DeltaSol
® BX]
Pressure monitoring:

[DeltaSol
® BX]
■ DVGW legionella protection:
-
Heating circuit return preheating:
1 [DeltaSol
® BX]
Boiler loading/Zone loading:
-
Solid fuel boiler:
1 [DeltaSol
® BX]
Mixer control weather-compensated:
-
Mixer control with target temperature:
-
Heating circuit antifreeze function:
-
Chimney sweeper function for the heating circuit:
-