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Step 2.5 Optional: Changing the
direction of the drain hose
Pour water in the direction of arrow.
<Front view>
Direction of the drained water
CAUTION
• Make sure that the indoor unit is in upright
position when you pour water to check for leakage.
Make sure that the water does not overflow onto
the electrical part.
34 English
Drain pan outlet
Rubber cap
<Side view>
Step 2.6 Installing and connecting the
assembly pipes to the refrigerant pipes
(assembly pipe)
Connect indoor and outdoor units with field-supplied
copper pipes by means of flare connections. Use
insulated seamless refrigeration grade pipe only,
(Cu DHP type according to ISO1337), degreased and
deoxidized, suitable for operating pressures of at
least 4200 kPa and for burst pressure of at least
20700 kPa. Under no circumstances must sanitary
type copper pipe be used.
There are 2 refrigerant pipes of different diameters:
• The smaller one is for the liquid refrigerant
• The larger one is for the gas refrigerant
A short liquid refrigerant pipe and a short gas
refrigerant pipe are already fitted to the air
conditioner. The connection procedure for the
refrigerant pipes varies according to the exit position
of each pipe when facing the wall:
Left
<Front view>
<Side view>
Right
Underside
Rear right or left
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