enervent LTR-3 eAir, Installation Instructions Manual

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197
Installation instructions for professionals
Alarm Reason Instruction Solution
Ducts have inadequate
insulation Check the thickness of insulation in supply
and exhaust ducts, and add insulation if
necessary.
Contact the maintenance.
The protection against
additional heating
overheating has launched. Find out the cause for the failure and reset
the protection against overheating
(® button in the radiator).
Contact the maintenance.
Water heating radiator has a
faulty control valve actuator Contact the maintenance.
The circulator has shut down Check if the heating/cooling circulator is rotating. Start the pump. If the issue persists,
contact maintenance.
Contact the maintenance.
The LTO controller card is
faulty (EDA models) The LTO cell is controlled by a separate controller
card that is located in the electric box of the
machine. Contact the maintenance.
LTO pulley has separated
from the shaft Check from LTO trace review hole if the shaft is
rotating empty and the pulley is in its place. Tighten the screw on the pulley.
Contact the maintenance.
Cooling error The external cooling unit
has shut down Check that the safety switch of the external unit
is on. Start the external unit. If the issue persists,
contact maintenance.
Contact the maintenance.
External
emergency
shutdown
Ventilation stopped with
the emergency shutdown
button. If the house has an external shutdown switch,
check if it has been pressed. Find the root cause before resetting.
Contact the maintenance.
External fire
risk
Ventilation shut down
with an external fire risk
controller. If your house has an external fire risk controller,
check if it has been activated. Find the root cause before resetting.
Contact the maintenance.
Maintenance
notice
Normal notice every 4 or 6
months (depending on the
model) Change the filters and clean the unit from
inside. Check that the machine functions.
Contact the maintenance.
Filter alarm:
Supply (extra) Supply filter is blocked. Open the access door when the machine is off. Pull
out the filter and check the dirtiness of the filter. Change the supply filter.
Contact the maintenance.
Filter alarm:
Exhaust (extra)
Exhaust air filter is blocked. Open the access door when the machine is off. Pull
out the filter and check the dirtiness of the filter. Change the exhaust filter.
Contact the maintenance.
Supply air
filter rotation
guard Supply blower has stopped. Open the machine access door while the machine
is operating. The supply blower should be rotating.
In LTR model machines, press the door switch with
a screwdriver and check, if the blower starts. Contact the maintenance.
Exhaust air
filter rotation
guard Exhaust blower has stopped. Open the machine access door while the machine
is operating. The supply blower should be rotating.
In LTR model machines, press the door switch with
a screwdriver and check, if the blower starts.
Change blowers.
Contact the maintenance.
PDS 10 alarm Supply blower has stopped. Open the access door while the machine is
operating. The supply blower should be rotating.
In LTR model machines, press with a screwdriver
and check, if the blower starts. Contact the maintenance.
Supply filter blocked. Open the access door when the machine is off. Pull
out the filter and check the dirtiness of the filter. Change the supply filter.
Contact the maintenance.
Outdoor louvre blocked. Check if the louvre on the outside is blocked. Clean the outdoor louvre.
Contact the maintenance.
Compressor
alarm The internal alarm of the air
source heat pump unit is
active. Contact the maintenance.