Carrier 42QHF009DS Service Manual page 8

⑷ Easy maintenance

Clean the filter (Optional, standard product without filter)
It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or
bottom side.

Replace the motor or centrifugal fan
Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with
centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily.
⑸ Reserved remote on-off and central control ports

Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a
central controller to realize remote on-off control function or group control function.
Central control ports
Remote on-off ports
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Motor
Blower Housing
Ventilated Panel