31
In this case activation of the symbol confirms the
return to system bypass mode (fig. 48).
By pressing button (fig. 49) it is possible to switch
from FROST PROTECTION to AUTOMATIC heating
mode.
A reset in FROST PROTECTION or SYSTEM BYPASS
mode will cause the system to restart in automatic
heating mode.
13.5-
Close the cover.
TH450
TH450
14 - TIMED MANUAL PROGRAM
If a fixed temperature is to be maintained for a few
hours or a few days (for example, to maintain a com-
fortable temperature for a longer period when unex-
pected guests arrive, or when an economical tem-
perature is required during long periods of absence),
MANUAL TIMED programme mode can be used.
Once the desired duration has been set, the device
starts a countdown.
Fig. 48
Fig. 49
Содержание TH 450
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Страница 47: ...47 This setting cannot be verified by telephone TH450 TH450 TH450 Fig 79 Fig 80 Fig 81...
Страница 53: ...53 Fig 89 Fig 90...