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Short Duct Specification
• The indoor unit is provided with air discharge and air intake "knock-out" hole for duct connection. However the connec-
tion of the short duct for air discharge is possible on only one side.
• The use of short duct for air discharge will improve airflow distribution if there is an obstruction (such as a lighting fixture)
or in a long, narrow room or an L-shaped room. It also use for air conditioning of two rooms simultaneously.
Possible Direction For Air Discharge And Air Intake
Air Discharge
Air Intake
Air Discharge
NOTE
• Avoid using the short duct on which the air discharge grille can be completely closed, to prevent evaporator freezing.
• In order to prevent condensation forming, be sure that there is sufficient thermal insulation and no leakage of cool
air when installing the short duct.
• Keep the introduction of fresh air intake within 20% of total air flow. Also provide a chamber and use a booster fan.
Sealing Material
• It is possible to seal one of the four air discharge outlet. (sealing two or more air discharge outlet could cause a malfunction)
• Remove the front panel and insert the sealing material into the air discharge outlet on the indoor unit to seal the air outlet.
• The sealing material is the same length as the longer air discharge outlet. If it is desired to seal the shorter air discharge
outlet, cut the sealing material to shorten it.
• Push the sealing material in about 10 mm beyond the bottom surface of the indoor unit so that it does not touch the air
louver. Be sure not to push the sealing material in any farther than about 10 mm.
Remote Control
When there is infrared remote control operating signal, the signal receiver on indoor unit will make a <beep> for signal
acceptance confirmation.
ACCESSORY PARTS
Possible Opening Dimension For Duct Connection
Air Discharge
Air Discharge Knock Out Hole
Air Discharge
INDICATOR LIGHTS
1-13
50
50
50
50
50
10
10
115
20
115
PCD Ø140
Ø100
Air Intake
Knock Out Hole
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