Collector Limit Temperature; Collector Cooling Function; Minimum Collector Temperature Limit - Viessmann VITOSOIC 100 Installation And Service Instructions Manual

Collector limit temperature

The solar circuit pump is switched OFF
to protect the system components if the
"NOT" temperature has been exceeded;
the symbol "¨" flashes.
Setting parameters
NOT
Note
This function is disabled at setting
200 °C.

Collector cooling function

The solar circuit pump will be switched
off when the set cylinder temperature
"S SL" is reached.
If the collector temperature rises to the
set maximum collector temperature
"KMX", the pump will be switched on
long enough to enable this temperature
to fall 5 K lower (the symbol "È" flashes).
The cylinder temperature can then rise
again, but only up to 90 °C; at that point,
the solar circuit pump is switched off (the
symbol "¨" flashes).
Setting parameters
KMX

Minimum collector temperature limit

Minimum starting temperature "KMN"
that must be exceeded before the solar
circuit pump can start.
This prevents the pump starting too fre-
quently (cycling).
Set value for "NOT" (see page 43).
Delivered condition
1. Set "OKX" to "ON" (see page 43).
2. Select the "KMX" value.
Delivered condition
The pump is switched off, if the actual
temperature falls 5 K below this temper-
ature; symbol "e" flashes.
1. Set "OKN" to "ON" (see page 43).
2. Select the "KMN" value.
Function description
Setting range
130 °C 110 – 200 °C
Setting range
110 °C 90 – 190 °C
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