Rointe SYGMA, Instruction Manual, Page: 8 / 24

8
SYGMA
the mains supply before ensuring that it is full of water.
Electrical connection. Plug in the heater, switch on and leave the
appliance connected to the electricity supply. Once a certain amount
of hot water has been used, the thermostat switches the heating
element back on.
Draining. In prolonged periods without use, and if there is risk of
frosts in the premises where it is installed, the heater must be
drained. It is possible to do this using the safety valve.
In all cases:
• Cut the current
• Close the tap where water enters the Installation.
• Drain through the safety group using the lever.
3. ELECTRONIC CONTROL FUNCTION
3.1. Front panel description
The following image shows how the front panel of the water heater
looks:
TFT DISPLAY CONTROL PANEL