Delta Electronics Heat Exchanger HEX080PD

Follow below maintenance sequence

* The maintenance is from internal side .

* Use screw driver to remove secured screw on upper portion of chassis assy (Item 1) .

* Disassemble the internal plate assy (Item 7) and disconnect fan from controller (Item 3), Note the connection location .

* Use brush and low pressure air to remove dust on internal plate assy (Item 7) , internal fan (item 4) & heat exchange core opening .

* Hold internal plate assy (Item 7) and connect fan to controller (Item 3) .

* Re-attach internal plate assy (Item 7) and use screw driver to secure screw with chassis assy (Item 1) .

Use brush and low pressure air to remove dust or any debris on both internal/external air inlet and air outlet opening.;