Viessmann VITOCAL 200-G, Инструкция по установке и обслуживанию

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The reduced temperature mode (see operating instructions) will no longer be
used, if the outside temperature drops
below this temperature limit. The equip-
ment heats up to the temperature selected for standard operation.
Operation will continue in accordance with the selected switching times, if the
average outside temperature stays
above this temperature limit.
Access
& " Device settings "
& " Programming "
& " System definition "
& "Temperature limit for red. BA"
(
1
/
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Standard setting -30 K
Setting range -30 to +30 K
Frost protection temperature
The equipment enters reduced mode to protect itself against frost, as soon as
the average outside temperature drops below this value. This will be implemen-
ted independent of the setting of the operating mode selector.
The OFF point of the frost protection is set 2 K higher than the ON point.
A
Outside temperature
B
Frost protection temperature (can
be selected)
C
Frost protection OFF point (frost
protection tempe 2 K)
D
Reduced heating mode OFF
E
Reduced heating mode ON
Access
&
" Device settings "
&
" Programming "
&
" System definition "
&
"Frost protection T" (
1
/
!
)
Standard setting 1 °C
Setting range -15 to +15 °C
Temperature limit for reduced temperature mode
136
Control unit settings - system definition
55
92
968
GB