Description Of The Operating Functions And Signals - Zehnder Rittling ComfoSpot 50 Manual

The two (+) / (-) keys are used for setting the various fan speeds and operating modes. The ventilation stages and the
Automatic operating mode are indicated with blue LEDs, and the service information with red LEDs.

Description of the operating functions and signals

Icon
LED1 lights up
LED1-2 light up
LED1-3 light up
LED1-4 light up
AUTO LED lights up
AUTO LED lights up
(+) / (-) buttons for selecting
operating mode / fan speed
1 2 3 4
LED
Fan speeds
Description
Fan speed The selection for the current fan speed (in total 4 fan speeds with preset
operating mode speeds for each fan) is made by using the (+) / (-) buttons.
Manual Touching the (+) button sets the next higher fan speed and touching the
(-) button sets the next lower fan speed.
Fan speed 1 (FS1) Reduced ventilation
The ventilation unit runs at the lowest ventilation level (15 m³/h). This fan
speed can be selected when away and for the purpose of moisture
protection.
NOTE
A cyclically limited reduced ventilation can be set with the Away
operating mode.
Fan speed 2 (FS2) Nominal ventilation
The ventilation unit runs at a low ventilation level (25 m³/h). This is normal
operation, used to achieve the necessary ventilation for hygienic and
health requirements when users are present.
Fan speed 3 (FS3) Increased ventilation
The ventilation unit runs at a higher ventilation level (40 m³/h) to reduce
peak loads, e.g. when several people are present.
Fan speed 4 (FS4) Intensive ventilation
The ventilation unit runs at maximum ventilation level (50 m³/h). This fan
speed is used for a fast air exchange.
NOTE
Intensive ventilation for a limited period of time can be set with the
boost ventilation operating mode.
Automatic
NOTE
operating mode
The Automatic function can only be activated with a sensor module.
(AUTO)
Touching the (+) key from the currently active FS4 transfers the unit to
AUTO fan speed. AUTO fan speed is excited by touching the (-) button,
and the unit is transferred back to FS4.
The Automatic function is visualized by the Automatic LED.
Bathroom function
NOTE
operating mode
The Bathroom function can only be activated with a sensor module
and configured DIP switch setting.
The fans are operated at maximum speed starting from a relative room
air humidity of 80%. If this limit is not reached, the previously active
operating mode is applied again.
Symbol
Symbol
Fault
Automatic
LED
LED
Fault
Automatic
Explanation
Symbol
Filter maintenance
LED
Filter maintenance
7