enervent eWind Pegasos, Installation Instructions Manual

Page: 109 / 136

109
Installation instructions for professionals
Problem Reason Help Solution
AL2
Supply air is cold
after the rotary heat
exchanger�
The heat exchanger belt has broken� The heat exchanger has a
green belt� Check the heat
exchanger rotor from the belt's
control hole� If the belt is not
visible, it is broken� Change the belt�
The heat exchanger belt-wheel is oily
and the belt is slipping The heat exchanger has a
green belt� Check the heat
exchangers rotor from the
belt's control hole if the belt
wheel is rotating even if the
heat exchanger rotor is not
rotating� Change the belt�
Error in the heat exchanger motor/
gearbox Open the service hatch while
the unit is on and listen if the
noise is coming from the heat
exchanger� Contact a service representive�
AL3
Supply air is cold
The exhaust fan has stopped� Open the service hatch when
the unit is running� The exhaust
fan needs to be on� With the
LTR unit you must push down
the door coupling with a
screwdriver and check if the
unit starts� Change the fans�
The exhaust filter is clogged� Open the service hatch when
the unit is not on� Remove the
filters and check if they are
dirty� Change the supply air filter�
The ventilation unit runs with a too
low fan speed� The correct fan speed was
chosen when the ventilation
was balanced in your house�
Check your ventilation
installation sheet for the
correct fan speeds� Adjust the fan speed from the control panel�
Contact a service representive�
The ventilation is adjusted incorrectly� Contact the company that has installed your
ventilation unit and check if the houses
airflow/valves has been adjusted correctly�
Contact a service representive�
AL4
Supply fan malfunction
The supply air fan has stopped Open the service hatch when
the unit is running� The exhaust
fan needs to be on� With the
LTR unit you must push down
the door coupling with a
screwdriver and check if the
unit starts� Contact a service representive�
AL5
Extract fan malfunction
The exhaust fan has stopped� Open the service hatch when
the unit is running� The exhaust
fan needs to be on� With the
LTR unit you must push down
the door coupling with a
screwdriver and check if the
unit starts� Change the fans�
Contact a service representive�