aerauliqa QRCE Series Installation, Operation And Maintenance Manual page 25

8.1 Failure searching and problem solving schedule
The follow table suggests possible solutions to face possible common detected failures; to solve errors or alarm conditions
visualized by remote user interface, read Control Manual.
Detected failure
Fans are not running
Insufficient airflow
Insufficient heating/cooling
performance
Condensate discharge failed
9 – M
D
ATERIAL ISPOSAL
At the end of unit's lifetime, its components must be dismantled and disposed of respecting the operational regulations
present in its country of installation.
The main materials used for building the unit are :
Precoated galvanized steel sheet metal
-
Galvanized steel sheet metal
-
Aluminum
-
- Copper
- Polyester
Polyethylene
-
Glass wool
-
- Plastic
During disconnection of the unit, avoid gas leakage or liquid spillage on environment, especially if the water has additives
like glycol. For dismissing and disposal, deliver the units to specialized centers according to your national laws.
AERAULIQA SRL
Registered office: via Mario Calderara 39/41, 25018 Montichiari, Brescia
Warehouse - Offices: via Mario Calderara 39/41, 25018 Montichiari, Brescia
Tel 030 674681 fax 030 6872149
www.aerauliqa.com
MIUM0018_REV06_ QRCE_20180312-MIUM-ENG-AQ
Possible reason
•
No power supply
•
Electrical connections wrong or loose
•
Thermal protection on
•
Fan speed signal missing
•
Air filter dirty
•
Air duct clogged
•
Fan signal too low
•
Temperature setpoint not right
•
Heat transfer fluid rate not right
•
Heat transfer fluid temperature not
right
•
Airflow too low
•
Defrost mode on
•
Discharge point clogged
•
Drain trap missing or not suitable
ENG
Possible solution
•
Switch on power supply
•
Restore the right
connections
•
Check the input current
•
Check signal connection
setting
•
Replace filter
•
Check air plant (dampers closed ?)
•
Adjust fan signal
•
Adjust temperature setpoint
•
Ensure the right fluid rate
•
Ensure the right fluid temperature
•
See above
•
Wait for defrost cycle end
•
Vacate the discharge point
•
Install suitable drain trap
AQ_001523_02_0721
electrical
and
25