Zehnder Rittling ComfoAir Q TR User Manual

36 - EN
EN - 37
6.10 What to do in the event of a malfunction alert (troubleshooting)
Malfunction code
CCOOL_COMPRESSOR ERROR
The ComfoCool Q600 compressor has a malfunction.
Question Answer Action
1 Is the ComfoCool
Q600 compressor
off?
Yes 1. Reset the errors as instructed in the chapter “How to reset errors”.
2. Go to the next question.
No Go to the next question.
2 Did the error
come back?
Yes 1. Get the ComfoCool Q600 skid service set.
2. Replace the ComfoCool Q600 cooling skid as instructed in its supplied manual.
3. Follow the procedure for ending the maintenance.
No Follow the procedure for ending the maintenance.
Malfunction code
CCOOL_CONNECT ERROR /
OPTION_BOX CONNECT ERROR.
There is no communication between the ComfoCool Q600 / option box and the unit.
Question Answer Action
1 - - 1. Access the ComfoNet connectors as instructed in the chapter “How to gain access to the ComfoNet
connectors on the unit”.
2. Go to the next question.
2 Are the
connections at
the ComfoNet
connector
correct?
4
Yes 1. Access the ComfoCool Q600 / option box connections.
2. Go to the next question.
No 1. Reconnect the ComfoCool Q600 / option box to the unit.
2. Follow the procedure for ending the maintenance.
3 Are the
connections at
the ComfoCool
Q600 / option box
correct?
4
Yes Go to the next question.
No 1. Reconnect the ComfoCool Q600 / option box to the unit.
2. Follow the procedure for ending the maintenance.
4 Is something
wrong with the
ComfoCool Q600
/ option box
cable?
Yes 1. Replace the cable.
2. Follow the procedure for ending the maintenance.
No 1. Get a new ComfoCool Q600 / option box.
2. Replace the ComfoCool Q600 / option box.
3. Follow the procedure for ending the maintenance.
4. Go to the next question.
5 Is the error still
present?
Yes 1. Get the main board service set.
2. Replace the main board as instructed in its supplied manual.
3. Follow the procedure for ending the maintenance.
Malfunction code
CCOOL_TEMP ERROR
One or more ComfoCool Q600 temperature sensors have a malfunction.
Question Answer Action
1 Are the
connections of
the ComfoCool
Q600 condensor
temperature
sensor correct?
Yes Go to the next question.
No 1. Reconnect the temperature sensor.
2. Follow the procedure for ending the maintenance.
2 Are the
connections of
the ComfoCool
Q600 supply
temperature
sensor correct?
Yes 1. Measure the resistance of the ComfoCool Q600 supply temperature sensor.
2. Go to the next question.
No 1. Reconnect the temperature sensor.
2. Follow the procedure for ending the maintenance.
3 Is the resistance
of the supply
temperature
sensor sensor
correct?
(approx. 10 kΩ at
25°C).
Yes 1. Get the ComfoCool Q600 NTC condenser sensor service set.
2. Replace the sensor as instructed in its supplied manual.
3. Follow the procedure for ending the maintenance.
No 1. Get the ComfoCool Q600 NTC supply sensor service set.
2. Replace the sensor as instructed in its supplied manual.
3. Follow the procedure for ending the maintenance.
4
You can find the correct connection in the technical specification chapter.

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