12
Vallox Pureo
Control
USING THE UNIT
ALARM CLASS 1
CAUSE
Supply air sensor (UI3)
The supply air sensor has
become damaged.
Supply air sensor / duct
(UI9)
The supply air sensor located
inside the duct has become
damaged.
Heating radiator sensor,
return water (UI6)
The sensor that measures the
return water temperature has
become damaged.
Emergency stop
External emergency stop has
become activated.
Extract air fan
The extract air fan has stopped.
Supply air fan
The supply air fan has stopped.
Fire hazard - supply air
The supply air temperature is too
high.
Fire hazard - extract air
The extract air temperature is too
high.
Heating radiator, return
water temperature - low
The return water temperature of
the post-heating liquid heater is
too low.
Supply air fan,
communication error
There are problems with the data
transfer bus between the supply
air fan and the controller.
Extract air fan,
communication error
There are problems with the data
transfer bus between the extract
air fan and the controller.
Differential pressure
transmitter, communication
error
There are problems with the
data transfer bus between the
differential pressure transmitter
and the controller.
ALARM CLASS 2
CAUSE
Outdoor air sensor (UI1)
The outdoor air sensor has
become damaged.
Outdoor air sensor / duct
(UI8)
The outdoor air sensor located
inside the duct has become
damaged.
Extract air sensor (UI4)
The extract air sensor has become
damaged.
Exhaust air sensor (UI5)
The exhaust air sensor has
become damaged.
Supply air sensor after HR
cell (UI2)
The supply air sensor located
after the heat recovery cell has
become damaged.
Frost prevention max
duration
Frost prevention has been on for
the max duration.
Efficiency of the HR cell
Low efficiency of the heat
recovery cell.
Filter alarm - supply air
The supply air filter must be
changed.
Filter alarm - extract air
The extract air filter must be
changed.
Heating radiator, return
water temperature - high
The return water temperature of
the post-heating liquid heater is
too high.
Deviation in the supply air
temperature
The supply air temperature
deviates from the set value.
Supply air temperature -
lower limit
The supply air temperature is too
low.
Deviation in the extract air
temperature
The extract air temperature
deviates from the set value.
Pureo control panel,
communication error
There are problems with the data
transfer bus between the control
panel and the controller.
Deviation in the supply air
volume
The supply air volume deviates
from the set value.
Deviation in the extract air
volume
The extract air volume deviates
from the set value.
Deviation in the supply air
pressure
The supply air pressure deviates
from the set value.
Deviation in the extract air
pressure
The extract air pressure deviates
from the set value.