Haier HCFU-42CF03 Operation And Installation Manual page 24

Installation of Indoor Unit
FRESH-AIR INTAKE
(1)Open up the knockout hole for the fresh-air intake,as shown in Fig.16 (If using
half-concealed installation ,open up the top knockout hole instead)
Fig. 16
For half-concealed
(1)When removing the cabinet(iron plate),be careful not to damage the indoor unit
internal parts and surrounding area(outer case).
(2)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,as shown in Fig.17 (If using
half-concealed installation, attach to the top.)
Fig. 17
[After completing " INDOOR UNIT INSTALLATION"....]
(3)Connect the duct to the round flange.
(4)Seal with a band and vinyl tape,etc.so that air does not leak from the connection.
Fig. 18
CAUTION
Round duct (option parts)
Duct
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