Ferroli BLUEHELIX TECH RRT 28 С Instructions For Use, Installation And Maintenance page 195

BLUEHELIX TECH RRT 28 C
fig. 57- Wiring diagram
Attention: Remove the jumper on the terminal block before connecting the room thermostat or the remote
A
timer control.
To connect multiple zones of the plumbing system controlled by thermostats with voltage-free contact and
there is a need to use the timer control as a function of remote boiler controls, it is necessary to connect the
voltage-free contacts of the zones to terminals 1-2 and the timer control to terminals 5-6.
195
EN
cod. 3541N260 - Rev. 01 - 10/2017