Max. number of collector fields:
31
Max. number of stores:
51
Weather-compensated heating circuits:
2 (72)
Speed control of standard pumps:
Speed control of HE pumps:
■ via integrated PWM output:
Temperature sensor inputs:
12 (154)
Sensor type:
Pt1000, Pt500, KTY
Inputs for Grundfos Direct Sensors™:
analogue, digital
Input for CS10 irradiation sensor:
Impulse inputs for V40 flowmeter:
3
Relay outputs in total:
14
■ semiconductor relays (speed control):
13 (13)
■ electromechanical relay:
-
■ potential-free relay with changeover contact:
1
■ potential-free relay with normally open contact:
-
■ potential-free high-current relay:
-
■ convertible to 0-10 V:
4
Data interface:
VBus®, SD card
Power supply:
100 ... 240 V~
Heat quantity measurement
■ with Grundfos Direct Sensors™:
VFS/VFD
Antifreeze function for solar circuit:
Collector minimum limitation:
Collector emergency shutdown:
Store maximum limitation:
Store emergency shutdown:
■ with adjustable time frame, interval:
■ Store sequence control:
Irradiation-dependent bypass:
Afterheating suppression:
Parallel relay:
solar, free selectable
Twin pump for solar circuit:
Cooling functions and cooling mode:
■ DVGW legionella protection:
-
Heating circuit return preheating:
Boiler loading/Zone loading:
Mixer control weather-compensated:
Mixer control with target temperature:
Heating circuit antifreeze function:
Chimney sweeper function for the heating circuit:
1 system-dependent
2 via EM Extension Module(s) in total
4 via convertible impulse inputs