31
Daylight saving time
An option to switch automatically between the daylight saving and standard time.
SW information
It displays information on the type of the unit, its manufacturing number and the version of the control software.
Filter replacement indication
In some units, the “Filter replacement” notification is also shown by the button for filter replacement confirmation (by pressing this
button the date of subsequent filter replacement is saved).
Table of alarms and notifications
The messages shown in the table below provide information on irregular or unexpected events in the AHU’s system.
Table of alarms (yellow triangle)
temperature sensor
connected to the CP-Touch
controller.
Contact a service technician.
or failure of the TEa
temperature sensor.
Contact a service technician.
or failure of the TEb
Contact a service technician.
Heat recovery exchanger freezing
Frost is being formed inside
the heat recovery exchanger.
The air being taken out from inside
the premises is too dry and outside
temperature too low. This condition
will last for several minutes. After
the heat recovery exchanger has
been defrosted, the unit will resume
regular operation.
Temperature sensor downstream of TA2
external heater
or failure of the temperature
sensor downstream of the
hot water coil or electric
heater.
Contact a service technician.
1
st
frost protection level
Temperature downstream of
the heater is lower than 9°C.
The unit is running according to the
set program, the warm water supply
opens to a maximum.
2
nd
frost protection level
Temperature downstream of
the heater is lower than 7°C.
Check the warm water supply. The
fans stop, AHU warm water supply
To Next Page
Loading...