STIEBEL ELTRON LWZ 130 Bedienung Und Installation Seite 59

INSTALLATION
Settings
Humidity prot.
C]Ü• Enable humidity control
With humidity-dependent flow rate control, the air flow rate is
increased or decreased depending on the humidity level.
Effect
Parameter
Off inactive
On active
C]O• Humidity prot. interval
If you set fan stage O,the appliance switches to a 24 hour dormant
phase. Only after this will humidity protection control start.
The unit measures the humidity of the extract air for the time set
for "Humidity capture delay". The appliance compares the last
measured value with the limit value set for "Humidity threshold".
If the humidity threshold is exceeded, the unit starts to ventilate.
If the humidity threshold is undershot again, the unit terminates
ventilation. At this point, the Humidity prot. intervalstarts again,
at the end of which the moisture
C]Cj• Humidity capture delay
The unit measures the humidity of the extract air for the time set
for "Humidity capture delay". The appliance compares the last
measured value with the limit value set for "Humidity threshold".
C]• Heat recovery bypass
Clü• Window contact mode (depending on unit)
Setting whether the window contact is relevant for the bypass
mode.
Effect
Parameter
Without window The supply air fan is stopped independently of the win-
dow contact.
contact
With window con- The window contact
appliance stops the supply air fan.
tact
C]O • Temperature to enable heat recovery bypass
To enable checking of the other parameters for bypassmode, the
outdoor air temperature must be no less than the value set in
this parameter.
C]O• Temperature to block heat recovery bypass
If the outdoor air temperature falls below this blocking tempera-
ture, bypass mode is disabled.
C]O • Hysteresis for heat recovery bypass
To make cooling possible, the outdoor air temperature must be
cooler than the extract air temperature
parameter.
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is measured.
is used to determine whether the
by the value set in this
CJC]• Temp. differential for heat recovery bypass
Usethis parameter to define the temperature differential that must
be exceeded for bypass mode to be enabled. For bypass mode to
be enabled, the following condition must be met for 60 minutes:
If Operating mode heat recovery bypass: Outdoor air routing au-
tomatic
Set room temperature + Temp. differential for heat recovery
bypass < Outdoor air temp.
If Operating mode heat recovery bypass:Extract air routing autom.
Set room temperature + Temp. differential for heat recovery
bypass < Extract air temp.
C]• Frost protection
C]C]• Temp. to enable frost protection
The unit only activates frost protection if the outdoor air temper-
ature drops to the value that can be set in this parameter.
C]or Enable preheating
Parameter Effect
Off The internal preheater is completely deactivated.
The internal preheater is activated. To keep the heat ex-
On
changer free from ice, preheating ensuresa minimum
supply air temperature with reference to the temperature,
which can be set in the "Frost protection temp." parameter.
While this parameter is being displayed or adjusted, the "frost
protection" symbol is shown on the display.
Condensate prevention
C]C]• Enable condensate prevention
The Condensateprevention function is intended for units without
an enthalpy heat exchanger in areas with a subtropical climate.
Ifthe unit is in ventilation mode, and this parameter hasthe value
"On", the unit checks the following conditions:
Outdoor air temp. > Extract air temp.
Extract air temp. + Offset condensate prevention < Outdoor
air dew point
If both conditions are met, the unit switches
a shutdown, the unit switches on the fans cyclically and checks
whether the conditions are still valid
can be resumed.
Interval between measurements
Duration of measurement
C]Ü• Offset condensate prevention
This parameter changes the shutdown point for Condensate pre-
vention. This allows the fans to be switched
point temperature is reached, for example.
LWZ 130 | I-WZ 130 Enthalpie
the fans off. After
or whether ventilation mode
min
60
min
5
off 2 K before the dew
I I-WZ 130 E-W | 59