A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION
70
beneath, as shown in Fig. 1-1-14.
Figure 1-1-14
If down return air inlet is to be used, just change the position between square flange and cover plate of return
air inlet.
Rivet the return air duct to the return air inlet of indoor unit and connect another end to return air window. For
free adjustment of the height, you may fabricate a section of canvas air duct and reinforce with 8# iron wire in
folded form. You may select the installation methods in overall consideration of the building and maintenance
conditions, as shown in Fig. 1-1-15.
Number Name Number Name
１
Return air window (with
filter)
４
２
Canvas air duct
５
Supply air duct
３
Return air duct 6 Test grill
Figure 1-1-15
Down return air inlet
Down return air inlet
Cover plate of return air inlet
Return air
Supply air
Return air
Supply air
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