8
System-wide functions
8.1
Automatic summer time/winter time switchover
The clock is automatically changed on the last Sunday in March at 2.00 h and on the last
Sunday in October at 3.00 h.
Functions
WE
Configuration
Summer time/winter time
switchover
ON
HC1–CO5–08 = ON
8.2
Frost protection
Frost protection measures are taken when the outdoor temperature falls below the 'Outdoor
temperature for frost protection'. The switching differential to cancel the frost protection mea-
sures is always 1 °C.
4
Frost protection without highest priority HC1–CO5–09 = OFF (restricted frost protection):
Frost protection measures are taken only when no heating operation takes place in the sys-
tem. The heating pumps are automatically switched on and their flow temperature set points
are adjusted to 10 °C. The circulation pump in the DHW circuit is automatically switched on
only when the heating circuit of the system, if one exists, is inactive. Nevertheless, the stor-
age tank is always recharged to 10 °C if the storage tank temperature falls below 5 °C.
4
Frost protection with highest priority HC1–CO5–09 = ON:
The heating pumps are always switched on automatically. The flow temperature set points of
all heating circuits currently in stand-by mode are set to 10 °C. In the DHW circuit, the circu-
lation pump is always activated. If the storage tank temperature falls below +5 °C, the stor-
age tank is recharged to +10 °C.
Note:
Im stand-by mode, the frost protection symbol
appears on the screen instead of
when the outdoor temperature falls below the adjustable 'Outdoor temperature for frost protec-
tion'.
Functions
WE
Configuration
Frost protection with highest
priority
3.0 °C
HC1–CO5–09 = OFF: Restricted frost protection
HC1–CO5–09 = ON: Frost protection with highest priority
Outdoor temperature for frost protection / –15.0 to 3.0 °C
80
EB 5610 EN
System-wide functions
Summary of Contents for trovis 5600
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