System Controlling
71
26.2 Existing Boiler
The Existing Boiler menu describes all settings required to integrate an existing boiler and control it with the Touch
control system. If an existing boiler is present, it is detected from the heating controller using the boiler sensor of the
existing boiler. (Terminal X13).
Additional terminals on heating controller:
• Terminal X13 — Boiler sensor Existing Boiler
• Terminal X24 — Switch valve
Existing Boiler
is in the System Control menu.
Boiler Temp
Shows the actual boiler temperature. (existing boiler)
Note
The return temperature increase is not
regulated by the Pelletronic Touch.
Pump On Temp
Replace with: If the Boiler temperature reaches the
Pump On Temp
, the pumps are switched on.
Switch Temp
If the
Switch Temp
is reached, the Pellematic
switches off.
The switch valve stays to use the residual heat of the
Pellematic.
Temp Max
If the existing boiler reaches the
Temperature Max
outside the heating times, all DHW circuits and
heating circuits switch ON. (DHW preference is
active).
Delay Time
If the temperature of the existing boiler falls below
the
Switch Temp
no burner demand is required within
the delay time.
Switch Valve Inversion
The inversion of the Switch Valve turns the reserve
output of the first I/O Box. An installation of the Switch
Valve in both directions is possible.
E1389EN 2.0
Operating manual Pelletronic Touch