Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
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2) In case of commissioning finished, please energize the IDUs and switch to cooling or dry
mode, meanwhile, the water pump operates, you can check the draining through the drain
socket.
3) If communication wire is not connected, communication malfunction “C0” will occur after
60s of energizing. In this case, the water pump operates automatically. Check if the water
pump drains normally through drainage port. The water pump will stop automatically after
running for 10mins.
(2) During the test, please carefully check the drainage joint, and make sure no any leakage
occur.
(3) It’s strongly recommended to do the drain test before ceiling decoration.
Unit: mm (inch)
Fig.4.3.9
4.4 Panel Installation
4.4.1 Notices for Installation
(1) Improper decorative panel installation could cause the following problems.
Fig.4.4.1
