Solar controller STDC

"Small" Temperature Difference Controller for simple systems For 9 solar, storage and solid fuel boiler-systems The STDC is available in different versions with variable relay combinations. It can be equipped with or without speed-control of standard pumps, high-efficiency pumps or both, just according to your needs. Connections: 3 sensor inputs for Pt1000 temperature sensors 1 relay plus 1 optional PWM/0-10V output Accessories: 2-3 PT1000 temperature sensors e. g. TT/S2+ TH... Features: for 9 basic systems Self-explanatory operation via 4 entry keys Multilingual full-text menu with help texts and graphic mode with animations High-contrast lighted display with 128x64 dots Function check and graphical system analysis with long-term memory for statistics about heat quantity and operating hours RTC Real Time Clock with >24h power reserve White housing RAL9003, protection class IP40, dimensions H 115mm W 86mm D 45mm Mounting hardware, spare fuse and user manual