Carrier 48TC 07 Installation, Start-Up And Service Instructions Manual page 32

Variable frequency drive (vfd) factory-installed option 2-speed motor control for 2-stage cooling rooftop units

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Fig. 45 — Open Keypad Cover and

Remove Keypad

Fig. 46 — Remove Drive Cover

(R1 and R2 Frame Sizes)

Fig. 47 — Remove Auxiliary Fan

ACH550 FAN REPLACEMENT

To replace the fan perform the following

Remove power from drive. Wait for 5 minutes and then make

sure by measuring that there is no voltage

Remove drive cover (see See Fig. 39 — on page 30).

Press the lever located on the left side of the man mount and

rotate the fan up and out (see Fig. 48).

Disconnect the fan cable (see Fig. 48).

Reinstall the fan in reverse order

Restore power.

NOTE: Make sure that the arrow on the fan points to the same

direction as the arrow on the drive frame.

Fig. 48 — ACH550 Fan Replacement

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