Viessmann LB1 - Page 24

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Vitovent
200-C 300-C 300-W
X — —
Ventilation unit installation position
Value Meaning
"0" Ceiling mounting
"1" Wall mounting or installation in the roof slope
7D3A Function, external 230 V input, ventilation !
Vitovent
200-C 300-C 300-W
X — —
The bathroom switch must be activated in order for
"Intensive mode" to be switched on via an external
switch or button (bathroom switch, on site).
Value Meaning
"0" Bathroom switch cannot be used.
"1" Bathroom switch can be used.
"2" Do not adjust.
7D3B Duration, bathroom vent. !
Vitovent
200-C 300-C 300-W
X — —
Maximum duration for "Intensive mode" if this func-
tion was switched on via an external switch or button
(bathroom switch).
Note
If "Intensive mode" has been switched on via the
ventilation programming unit, type LB1, "Duration,
intensive mode 7D85" will display the max. duration.
Setting in min
7D5E Starting block, ventilation periods part 1 !
Vitovent
200-C 300-C 300-W
X — —
The fans may be switched off to protect the heat
exchanger from frost, depending on the temperature
conditions and the selected defrost and frost protection
function.
If the temperature conditions are no longer met, the
fans are restarted at the selected times (00:00 to
15:00 h).
Setting in the bit field (see chapter "Setting parame-
ters"): Several bits can be selected.
Note
opens the setting assistant.
Bit Meaning
"Bit 1" 00:00 h
"Bit 2" 01:00 h
"Bit 3" 02:00 h
... ...
"Bit 16" 15:00 h
Example:
"Bit 3", "Bit 7", "Bit 9" and "Bit 11" are selected:
The fans are restarted at 2:00 h, 6:00 h, 8:00 h and at
10:00 h.
Note
The times from 16:00 to 23:00 h are selected with
"Starting block, ventilation periods part 2 7D5F".
The setting results from the combination of selected
bits.
Parameter settings
7D2F Installation position !
5816558
Parameter