Operating Modes; Manual Mode; Auto Mode - STIEBEL ELTRON VRL-C 300 G Premium Original Manual

OperatiOn
Settings
4.3

Operating modes

Three operating modes can be selected in the default display.
- Unit Off
- Manual
- Auto
4.3.1 "Manual" mode
In "Manual" mode, the unit operates according to the values which
have been set manually.
You can activate the operating mode as follows:
↵
f Press the "Enter" button. f
↑
f Press the "Up" button repeatedly until "Manual" mode f
is displayed.
↵
f Press the "Enter" button. f
↑
f Press the "Up" button repeatedly until the required f
fan stage is displayed.
↵
f Confirm with the "Enter" button. f
The unit starts up. It takes approximately 10 minutes for the unit
to become fully operational, during which the "Unit Off" symbol
flashes. The "Manual mode" symbol is then displayed.
4.3.2 "Auto" mode
In "Auto" mode, the unit is controlled automatically.
You can activate the operating mode as follows:
↵
f Press the "Enter" button. f
↑
f Press the "Up" button repeatedly until "Auto" mode is f
displayed.
↵
f Confirm with the "Enter" button. f
In "Auto" mode, the unit regulates air capacity according to prior-
ities. The priority depends on the installed sensors. The sensors
can also be connected and commissioned retrospectively.
Note
Additional sensors may only be installed and commis-
sioned by a qualified contractor.
20 | VrL-C 300/625/870
priority Designation
High Active frost protection Only units with the hx module have this
Active cooling
Medium NightCooling
Minimum vent.
Interm.vent
External 0-10 V
Low VOC/CO
2
Time program
Motion sensor
4.3.3 "Unit Off" mode
"Unit Off" mode switches off the fans permanently.
You can activate the operating mode as follows:
↵
f Press the "Enter" button. f
↑
f Press the "Up" button repeatedly until "Unit Off" f
mode is displayed.
↵
f Press the "Enter" button twice. f
The unit switches off the ventilation after a few minutes. The dis-
play shows the "Unit Off" symbol.
availability
function. The hx module is an additional
energy saving control function which
allows you to activate the preheating coil
dependent on humidity levels. It does this
by using a dew point calculation based on
the hx diagram.
Only units with a cooling unit have this
function.
Standard
Standard
This function is not available for all units.
This function is not available for all units.
The unit's air capacity can be regulated by
means of an external 0-10 V signal. When
this function is enabled, other parameters
for controlling air capacity are inactive.
Sensor available as accessory
Standard
Sensor available as accessory
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