Version 5.2_2022 (January 26, 2022)
15
6.
Maintenance schedule for operating per qualified
personnel
Components to be checked on the
Aqua
Cool
Number of inspections
per year *
Air control dampers
Check the dampers for proper functioning and wear
Regularly
Check the condition of the volume control damper (dirt, seals, actuator)
2
Filters
Check the pressure differential across the filters, replace the filters if necessary
2
Check the mounting of the filters (leakage)
2
Cooling elements (or heater)
Check elements for contamination, clean where necessary
1
Check the condition of the coil (dirt, leakage, corrosion, obstructions)
2
Check the condition of the drip tray (dirt, drain, leakage) and siphon
2
Check the condition of the heat exchanger (dirt, leakage, corrosion, obstructions)
1
Clean the heat exchanger with a soft brush
1
Check condition of drip tray (dirt, drain, leakage) and siphon, clean if necessary
1
Fans
Check the condition of the fans (dirt, corrosion, shaft clearance, imbalance)
1
Clean the ventilator fans and the drive if necessary
1
Check the set-up for good airflow (katabatic winds, blind spot, short circuit, intake of fumes)
1
Check the fastening bolts for tightness
1
Check electrical connections for tightness
1
Control panel / switch panel
Check that the controller compartment is clean and dry
2
Check the condition of the cables (worn, burned, damaged)
2
Check the condition of the insulation (dirt, moisture, damage)
2
Check that the controller compartment is clean and dry
1
Check the condition of the switches (dirt, corrosion)
1
Check the condition of the contacts (dirt, corrosion, burns)
1
Check all connections for tightness
1
Check the condition of the cable insulation (worn, burned, damaged)
1
Check the settings of the thermal protections
1
Check the condition of fuses (tightness, value)
1
General
Check the unit set-up (vibration dampers, foundation, is it level?)
1
Check the condition of the housing (tightness, dirt, corrosion)
1
Check the condition of the insulation
1
Check that all pictograms are still present
1
* or after each rental period
Maintenance by qualified personnel once a year
•
Check the condition of the heat exchanger (dirt, leakage)
•
Check the pressure differential across the filters, replace the filters if necessary
•
Check the mounting of the filters (leakage)
•
Check the condition of the fans (noise, dirt, temperature, corrosion)
•
Check the amperage of the fans (amperage: see electrical diagram)
•
Check the function and setting of the "dirty filter signal" protective device
•
Check the protective functions included in the control unit (see control unit operating instructions for
these)
