koppel KV24 ODU-ARF21C Service Manual page 23

 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.
1.5 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.
1.6 Built-in drain pump (Optional):
 Built-in drain pump can lift the water to 750mm upmost. It's convenient to install drainage piping under
most space condition.
Indoor Units
Remote on-off ports
Motor
Blower Housing
Ventilated Panel
Central control ports
Features
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