Zehnder Rittling ComfoSpot 50 Manual page 10

Icon
LED1-4 light up
LED1 lights up
during the active
time phase
LED1 flashes in
alternation with the
current fan speed
LED4 flashes in
alternation with the
current fan speed
8
Description
Boost ventilation
NOTE
mode
The boost ventilation function as temporarily activated fan speed 4 can
only be activated with a configured DIP switch setting.
After the boost ventilation time has elapsed, the unit will be transferred
to the most recently selected fan speed. The fan speed that was active
for longer than 10 s is deemed as the last fan speed. When boost
ventilation is active, the operating modes "Extract air mode" or "Supply
air mode", that may be activated, are retained.
The duration of the boost ventilation function can be set between 5 and
120 minutes by the customer service team using the programming
module.
(Factory setting: 15 minutes)
Away mode
NOTE
The Away function as temporarily activated fan speed 1 can only be
activated with a configured fan speed 1.
The active operating time of the FS1 can be set between 15 and 59 min/h
by the customer service team using the programming module.
(Factory setting: 60 min/h ≙ FS1 permanent operation).
LED display for The LED display on the control panel changes after 10 seconds into
energy-saving energy-saving mode without operator input (unit functions remain active;
mode the LED display is switched off). If any key is touched, the LED indicator
will be activated again. Touching the button brings about no change to
the operating mode, however.
Standby mode The unit can be switched from FS1 to Standby mode by touching the (-)
button. The fans then come to a stop.
NOTE
The shutters for the air passage openings must be closed using a
thumb wheel.
Standby mode is excited by touching the (+) button. The unit will start
with fan speed 1.
NOTE
Closed shutters must be opened again beforehand using the thumb
wheel.
There is no indication of the Standby mode from the LEDs of the control
panel.
Extract air mode Touching the (-) key for 5 seconds in operating modes FS1 to FS4
activates or deactivates the Extract air mode. The supply air fan is
switched off; the extract air fan continues to run with the current fan
speed.
The display for the current fan speed alternates every 2 seconds with the
flashing LED1.
Supply air mode Touching the (+) key for 5 seconds in operating modes FS1 to FS4
activates or deactivates the Supply air mode. The extract air fan is
switched off; the supply air fan continues to run with the current fan
speed.
If the outdoor temperature falls below 13 °C, the extract air fan will be
activated.
The display for the current fan speed alternates every 2 seconds with the
flashing LED4.
Explanation