Viessmann LB1 - Page 21

21
Ventilation
Select with
Bit 1
Bit 3
Adopt with OK
Code1
Bit 2
Fig. 9
Restoring the delivered condition (Reset)
See page 39.
7D00 Enable Vitovent !
Vitovent
200-C 300-C 300-W
X X X
Enabling a ventilation unit for operation with the venti-
lation programming unit, type LB1
Value Meaning
"0" No ventilation unit is enabled
"1" Do not adjust.
"2" Vitovent 200-C is enabled. The parameters
("7Dxx") associated with this ventilation unit
can be set.
"3" Vitovent 300-C or Vitovent 300-W is enabled.
The ventilation parameters ("7Dxx", "C1xx")
associated with this ventilation unit can be
set.
7D01 Enable electric preheating coil !
Vitovent
200-C 300-C 300-W
X — —
Enabling/function of electric preheating coil (accesso-
ries) for ventilation unit frost protection.
Conditions:
The electric preheating coil is connected to the control
PCB of the ventilation unit.
Value Meaning
"0" Preheating coil is not enabled. A defrost func-
tion without electric preheating coil can be set
with "Strategy, passive frost protection
7D2C".
"1" Defrosting via bypass:
If the heat exchanger is iced up, the bypass is
activated. The outdoor air heated by the pre-
heating coil flows past the heat exchanger via
the bypass.
"2" Comfort function Frost protection:
The electric preheating coil is switched on if
the differential between supply air and extract
air temperature exceeds 4.5 K.
Parameter settings
Setting parameters (cont.)
5816558
Parameter