Delta RPI M80U Operation And Installation Manual page 51

1.Wiring Box compartment (WB): User should disassemble the top 2 pcs
screws (2 Black ones as shown in Figure 5-10) outside the fan cabinet and
disconnect the connector (white one as shown in Figure 5-10) right in front of
the fan cover. Then replace new fan and reassemble the 2 pcs screws and plug
in the connector.
Figure 5-10 : Disassembling fan inside the wiring box compartment
2. Power Module compartment (PM):
Figure 5-11 shows one side (the right-hand side) of the PM compartment only
due to the symmetry of the air oulets. Therefore, the following Figure 5-11
shows one side only.
(1) User should disassemble the 4 pcs screws on the air oulet filter panel.
(2) Disconnect the connector (white as shown at the top left corner of second
sub-picture) and unscrew the 4 pcs on this side and 4 pcs on the other side
(total 8 screws) at the same time.
(3) Make sure both the left 2 and right 2 screws are removed.
(4) Pull out the drawer of the fans.
(5) This sub-picture shows the overview of the smart fans.
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Maintenance