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- simultaneously press buttons , and 1÷7;
- reset the unit.
The TH350 will restart in AUTOMATIC HEATING mode (or
COOLING, if reset in this mode).
22 BATTERY REPLACEMENT
When the indicator flashes on the display, it means
that there is around 1 month left to replace the batteries
(fig. 92). When the indication plus the symbol
appear on the display, the unit is no longer operative
and has set the heating and air-conditioning system to
OFF (fig. 93).
ATTENTION. Failure to replace the batteries in time may
cause damage to the heating system (frost protection is
not ensured).
To replace the batteries proceed as follows:
22.1- Pull the tab L forwards. The main unit of the ther-
mostat will follow until it is blocked by two lateral stop
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