5
Maintenance & Cleaning
The HR500IP unit requires only occasional cleaning. By depressing the two buttons on either
side of the internal grille, the grille, pre-filters and heat exchanger can be easily removed and
cleaned by using a vacuum cleaner or by washing in luke warm soapy water.
In heavily polluted and smoky enviroments it is recommended that the heat exchanger unit is
examined for cleaning purposes every 3 months.
Spare heat exchanger cells and filters are available to enable immediate change over of soiled
units, which can be cleaned for later use.
The unit is supplied with four, 6-month Timestrip indicators. A Timestrip is a single use self-
adhesive label that once activated will turn red over 6 months. It should be used to keep track of
when the filter and cell need cleaning/replacement. Using the self-adhesive backing the strip
can stuck near the units controls, or in a easily visible place.
A normal cleaning schedule for a unit would be as follows:
Note: The above is the minimum requirement; more frequent cleaning intervals may be needed
depending on the environment the unit is installed in.
After installation
Activate the 1st Timestrip
After 6 months
Clean cell, clean filter, activate 2nd Timestrip
After 12 months
Clean cell, clean filter, activate 3rd Timestrip
After 18 months
Clean cell, clean filter, activate 4th Timestrip
After 24 months
Clean cell,
replace filters
, the new filters will be supplied with 4
additional Timestrip indicators
Press buttons here and on
opposite side to gain access to
filters and heat exchanger cell
Internal Grille
