Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
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1) 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.
2) 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, make sure no any leakage occur.
(3) It is strongly recommend doing the drain test before ceiling decoration.
Fig.4.3.3
4.4 Panel Installation
4.4.1 Notices for Installation
(1) Improper decorative panel installation could cause the following problems.
Fig.4.4.1
(2) Ensure that it’s clearance-free between decoration panels and ceiling board after installation,
if not, please adjust the body position.
Fig.4.4.2