Maintenance; Filter Change; Dismantling The Filters; Installing New Filters - Swegon GOLD CX Operation & Maintenance Instructions Manual

4. Maintenance

Warning
Before carrying out any work, make sure that the power
supply to the air handling unit has been switched off.

4.1 Filter change

Filters made of glass fibre should be replaced, and if a pre-filter
made of woven aluminium is fitted, it should be washed, when
the corresponding filter alarm has been activated.
Order new filters from Swegon or your nearest Swegon repre-
sentative. Specify the size of the GOLD unit, whether the replace-
ment concerns one or two directions of airflow and if you are
replacing standard filters and/or possibly a pre-filter.

4.1.1 Dismantling the filters

It is advisable to clean inside the filter space while the filters are
removed.
Standard filters:
Pull out the handles (A) to free the filters from the filter holder.
Withdraw the filters.
Possible pre-filters inside the air handling unit:
Withdraw the filters.

4.1.2 Installing new filters

Standard filters:
Insert the filters into the filter holder At the same time, draw out
the filter bags, if installed, so that they will not become caught,
damaged or folded.
Insert the filters as far as possible into the unit and press them
lightly against the filter frames, so that they fit tightly.
Push in the handles (A) to clamp the filters in position in the filter
holder.
Close the inspection doors.
Finish with filter calibration according to Section 2 in the Func-
tion Manual, Users.
Pre-filters, if installed, in the AHU:
Insert the filters in the filter guide rails as far as possible into the
AHU and press them lightly against the filter frames, so that they
fit tightly.
Finish with filter calibration according to Section 2 in the Func-
tion Manual, Users.
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