21
Note. To return to AUTOMATIC operating mode before the
programmed period expires press the button (fig. 33).
10 - SYSTEM BYPASS IN HEATING
MODE
System bypassing can be applied with or without
frost protection. System bypass is useful during
cleaning, maintenance work, or when absent, etc.
The unit simply functions as a clock and room ther-
mometer
With frost protection
10.1 - Press the button once (fig. 34).
The OFF symbol confirms the selection.
Fig. 30