32
Preventative maintenance
Introduction
Preventative maintenance is necessary at regular intervals if the unit is to function effi-
ciently and optimally, in order to avoid unintended operation stoppages and to ensure
the expected lifetime of minimum 10 years.
It is important to notice, that intervals between filter maintenance can vary depending
on the specific environment, and that moving parts are wearing parts, that needs re-
placements when worn down dependent on the specific environment.
The factory warranty only applies if it can be documented that regular preventative
maintenance has been carried out as prescribed. The documentation can consist of a
written log ioncluding a company stamp or equivalent.
Interval summary
At minimum, maintenance must be carried out as shown here:
Interval
Task
Carried out by:
6 months Check filters and replace if necessary User
1 year
Change filters
User
2 years
Clean and inspect the fans Trained
professionals
Clean and inspect the electric heating element,
if mounted
Trained professionals
Clean the internal air ducts in the unit
Trained professionals
Check the duct joints and connections Trained
professionals
Check the condensate drain and hose.
Trained professionals
NB!
A biannual inspection every other year, performed by trained professionals only.
Turn off the unit while carrying out inspections of the unit's internal parts.
If the power supply cable is damaged, this must be replaced by trained profession-
als.
Filters (6 mths)
After 6 months a filter alarm is triggered. A buzzer will sound and “
!
” The LED will light
orange. If the LED lights RED, please see the section: Troubleshooting on page 35.
Inspect the filters. Even if only one of the filters is dirty, we recommend that you change
both filters so as not to create an imbalance in the air flow through the unit.
After changing the filters, the filter alarm must be reset. See page 30.
The timer period for the filter alarm can be changed via remote control or PC-Tool.
Filters (1 year)
Change the filters at least once each year regardless of whether they are dirty or an
alarm has been triggered.
After changing the filters, the alarm must be reset. See page 30
Continued overleaf
Summary of Contents for HCV 500
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