Maintenance And Replacement; Maintenance - Delta HEX150PC Instruction Manual

6. Maintenance and Replacement

Be sure to SHUT DOWN the power before proceeding with any
maintenance or component replacement .

6-1. Maintenance

Monthly
Use brush and low pressure air to remove dust or any debris on both
internal/external air inlet and air outlet opening .
Quarterly
Follow below maintenance sequence
Internal loop maintenance :
* The maintenance is from the internal side .
* Use screw driver to remove screw on upper
* Disassemble the internal plate assy (Item 7) and disconnect
* Use brush and low pressure air to remove dust on
* Hold internal plate assy (Item 7) and connect fan to controller
* Re-attach internal plate assy (Item 7) and use screw driver to
External loop maintenance :
* The maintenance is from the external side .
* Use screw driver to remove the screw on bottom portion of
* Disassemble and hold external plate assy (Item 8) , no need
* Use brush and low pressure air to remove dust on external
* Re-attach external plate assy back (Item 8) and use screw
portion of chassis assy (Item 1) .
fan from controller (Item 3) . Note the connection location .
internal plate assy (Item 7) , internal fan (item 4) and heat
exchange core opening .
(Item 3) .
secure screw with chassis assy (Item 1) .
chassis assy (Item 1) .
to disconnect external fan .
plate assy (Item 8) , external fan (Item 5) and heat exchange
CORE opening .
driver to secure screw with chassis assy (Item 1) .
Page 7
HEX150PC Heat Exchanger Instruction Manual