Zehnder Rittling ComfoAir Q TR User Manual (English)

Other manuals for Zehnder Rittling ComfoAir Q TR

Questions and Answers:

T
Tammy MartinezSep 5, 2025
What steps should I take if my Zehnder Rittling ComfoAir Q TR shows a PREHEAT ERROR?
- M
  Mary SanchezSep 5, 2025
  If your Zehnder Rittling Fan displays a PREHEAT ERROR, inspect the pre-heater as instructed in the chapter “Maintenance of the pre-heater”. Keep the unit open after finishing all the maintenance. Connect the power to the unit, being aware of the danger for electrical shocks and rotating parts. Reset the errors as instructed in the chapter “How to reset errors”. If the issue persists, get the pre-heater service set and replace the pre-heater as instructed in its supplied manual. Connect the power to the unit, being aware of the danger for electrical shocks and rotating parts. Reset the errors as instructed in the chapter “How to reset errors” and follow the procedure for ending the maintenance.
M
mandersonSep 7, 2025
How do I resolve the PREHEAT_LOCATION ERROR on my Zehnder Rittling ComfoAir Q TR?
- H
  hgarzaSep 7, 2025
  To resolve the PREHEAT_LOCATION ERROR, change the location of the pre-heater as instructed in the chapter “How to change the location of the pre-heater”. Reset the errors as instructed in the chapter “How to reset errors”. If that doesn't work, set the orientation of the unit correct by running the complete commissioning wizard and reset the errors.
C
Christopher McbrideSep 8, 2025
What to do for TEMP_SENSOR_ETA, TEMP_SENSOR_ODA, TEMP_SENSOR EHA, or TEMP_SENSOR_SUP ERROR on Zehnder Rittling Fan?
- L
  Leon HartSep 9, 2025
  If you're getting a TEMP_SENSOR_ETA ERROR, TEMP_SENSOR_ODA ERROR, TEMP_SENSOR EHA ERROR, or TEMP_SENSOR_SUP ERROR, ensure the temperature inside the unit is within the allowed range. If the outdoor temperature is within range, set the unit to PRESET 3 to speed up temperature change. If the internal temperature is within range, inspect the heat exchanger as instructed in the chapter “Maintenance of the heat exchanger”. After these steps, reset the errors.
D
Donna McdonaldSep 10, 2025
What should I do if my Zehnder Rittling Fan displays 'DANGER! OVERHEATING!'?
- B
  Benjamin DonaldsonSep 10, 2025
  If your Zehnder Rittling Fan displays 'DANGER! OVERHEATING!', solve the problem for the extreme temperature. Reset the errors as instructed in the chapter “How to reset errors”. Perform all maintenance actions to check if there is permanent damage to the system and follow the procedure for ending the maintenance. Also, solve the sensor errors as instructed in their relevant troubleshooting table.
K
katie28Sep 12, 2025
How to fix the PREHEAT_PRES ERROR code on a Zehnder Rittling ComfoAir Q TR Fan?
- J
  Jon CurtisSep 12, 2025
  To address the PREHEAT_PRES ERROR, first, access the main board as instructed in the chapter “How to gain access to the main board”. If the issue persists, get the pre-heater service set and replace the pre-heater as instructed in its supplied manual. Connect the power to the unit, being aware of the danger for electrical shocks and rotating parts. Reset the errors.
J
johnsonstevenSep 13, 2025
What causes the UNBALANCE ERROR on my Zehnder Rittling ComfoAir Q TR, and how can I resolve it?
- A
  ashley60Sep 13, 2025
  The UNBALANCE ERROR can be caused by several factors. First, solve any other errors as instructed in their relevant troubleshooting table. If the error persists, turn off any external units causing changes in air pressure. Other potential solutions include replacing the filters, cleaning the valves, cleaning the heat exchanger, defrosting the heat exchanger, cleaning the fan, cleaning the ventilation ducts, and solving air leakage.

Zehnder Rittling ComfoAir Q TR Specifications

General

Mounting	Wall-mounted
Heat Exchanger Type	Counterflow
Heat Recovery Efficiency	Up to 95%
Frequency	50 Hz
Type	Heat Recovery Ventilation Unit
Power Supply	230 V, 50 Hz
Filter	G4
Bypass	Automatic bypass