Technical data

79
CTC EcoZenith i550 Pro
For the property owner
11. Troubleshooting/measures
!
Avoid placing the
room sensor close
to the stairway due
to the uneven air
circulation.
!
If you do not have
radiator thermostats
on the upper floor,
you may need to
install them.
The CTC EcoZenith i550 Pro is designed to provide reliable operation
and high levels of comfort, as well as have a long service life. Various tips
are given below which may be helpful and guide you in the event of an
operational malfunction.
If a fault occurs, you should always contact the installer who installed your
unit. If the installer believes the malfunction is due to a material or design
fault, then they will contact Enertech/CTC to check and rectify the issue.
Always provide the product’s serial number.
The Heating System
If the set room temperature is not obtained, check:
• that the radiator system is correctly adjusted and is functioning
normally. that radiator thermostats are open and the radiators are
equally warm all over. Touch the entire radiator surface. Bleed the
radiators.
• that the EcoZenith i550 Pro is in operation and that no error messages
are displayed.
• that there is sufficient electrical power available. Increase if necessary.
• that the product is not set to the “Max. allowed primary flow
temperature” mode with a too low value.
• that “Inclination” has been set high enough. Increase as required. You
can find out more on this in the “House Heating Curve” chapter. See
also the “Installer/Settings/Heating circuit 1, 2 and 3” menu.
• that the temperature set back is not maladjusted.
• that the mixing valve on the EcoZenith is not in the manual position.
If the heat is not even, check
• that the placement of the room sensors is appropriate for the house.
• that the radiator thermostats don’t interfere with the room sensor.
• that no other heat sources/cold sources interfere with the room sensor.
• that the mixing valve on the EcoZenith is not in the manual position.
Outdoor Sensor/Room Sensor Faults
If a fault occurs with an outdoor sensor, an outdoor temperature of -5°C
is simulated so that the house does not get cold. An alarm appears in
the display window. If a fault occurs with a room sensor, the EcoZenith
automatically switches to operating according to the set curve. An alarm
appears in the display window.
Resetting after Alarm
You reset the alarm by pressing the reset button on the panel. If several
alarms are triggered, they are displayed one after the other. An outstanding
fault cannot be reset without being rectified first. Some alarms are reset
automatically if the fault disappears.