Max. number of collector fields:
1
Weather-compensated heating circuits:
-
External heat exchanger:
-
Speed control of standard pumps:
Speed control of HE pumps:
■ via integrated PWM output:
Temperature sensor inputs:
4
Inputs for Grundfos Direct Sensors™:
digital
Input for CS10 irradiation sensor:
-
Impulse inputs for V40 flowmeter:
-
Relay outputs in total:
3
■ semiconductor relays (speed control):
1
■ electromechanical relay:
-
■ potential-free relay with changeover contact:
-
■ potential-free relay with normally open contact:
-
■ potential-free high-current relay:
2
■ convertible to 0-10 V:
-
Power supply:
100 ... 240 V~
Heat quantity measurement
■ with Grundfos Direct Sensors™:
VFD
Antifreeze function for solar circuit:
Collector minimum limitation:
Collector emergency shutdown:
Store maximum limitation:
Store emergency shutdown:
■ with adjustable time frame, interval:
Store loading in layers:
-
■ Store sequence control:
-
Irradiation-dependent bypass:
-
Afterheating suppression:
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:
-