Caleffi Solar iSolar 257 series Specifications

Summary of iSolar 257 series

  • Page 1

    Differential temperature controllers isolar 257 series function a multi-functional temperature differential controller with add-on system functions, the isolar series can be used for a wide variety of applications and has inputs for four pt1000 sensors. Preset factory defaults are defined for contro...

  • Page 2

    Selectable systems characteristics + – + set ! Ì " " f r system screen lcd display with 16-segment display and 8 symbols for system status operating led control lamp 3 push-button controls attractive design and compact dimensions easy to install user-friendly operation s1 s2 s4 / trl r1 s3 s1 s3 s4 ...