INDO OR/OUTDOO R CONNECTION
WIRING( STRANG ELECTRIC SIGNAL (MM
2
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2.8 Installation Requirements of Indoor Unit
1) Choice of air return ways
This indoor unit is fitted with downward air return, which can be change to its backward counterpart if
necessary. Please follow the steps below(2‐5) to change it into the mode of air return backward(6).
1.Air return downward
1. Loose the nut and dismantle flannel plate and filter; Loose the nut dismantel the back over.
2. Install the flannel plate and filter at the backside; Install the cover to the downside.
3. Air return backward.
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