Solar controller XTDC

Xtra large for flexible controlling of complex solar thermal systems with up to 4 storages Attractive housing (H 228mm W 180mm D 53mm) with various installation possibilities High-contrast, white illuminated large display with extensive full-text and graphic mode Self-explanatory operation via 4 softkey entry keys Connections: 8 sensor inputs for Pt1000 temperature sensors 2 sensor inputs for Grundfos VFS sensors for heat metering (flow and temperature measurement), alternatively pressure monitoring via Grundfos RPS sensor Sensor expansion jack for 3 additional sensors 2 outputs 0..10V or PWM signal for control of high efficiency pumps, large pumps and frequency converters 2 switching outputs for speed control of standard pumps 4 relay outputs mechanical 230VAC 1 relay output potential free Micro SD Memory Card Slot Ethernet connection (optional) Digital connection / bus system There are 48 basic systems selectable which can be extended easily and flexibly by activating diverse additional functions via the unassigned relays. Accessories: 8 PT1000 temperature sensors, e.g. TT/S2 + TH... Optionally Grundfos VFS sensor for heat metering Optionally Grundfos RPS sensor for pressure monitoring