FRESH AIR INTAKE
1. Open up the knockout hole for the fresh air intake. If using half-concealed
installation, open up the top knockout hole instead.
CAUTION
When removing the cabinet (iron plate), be careful not to damage the indoor
unit internal parts and surrounding area (outer case).
When processing the cabinet (iron plate), be careful not to injury yourself
with burrs,etc.
2. Fasten the round flange (optional) to the fresh air intake. If using half-
concealed installation, attach to the top.
3. Connect the duct to the round flange.
Duct
For half-concealed
Round duct (option part)
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Installation Procedure
4. Seal with a band and vinyl tape,etc. so that air does not leak from the
connection.
Test Run
Check items
1. Indoor unit
Is operation of each button on the remote control unit normal?
Does each lamp light normally?
Do not air flow direction louvers operate normally?
Is the drain normal?
2. Outdoor unit
Is there any abnormal noise and vibration during operation?
Will noise, wind, or drain water from the unit disturb the neighbors?
Is there any gas leakage?
Customer guidance
Explain the following to the customer in accordance with the operation manual:
(1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and other remote
control unit operations.
(2) Air filter removal and cleaning, and how to use air louvers.
(3) Give the operation and installation manuals to the customer.
