Daikin FXAQ09MVJU Installation Manual download pdf (Page 14)

6. DRAIN PIPING WORK

(1) Install the drain piping. (Refer to Fig. 16)

• The drain pipe should be short with a downward slope and should prevent air pockets from forming.

• Watch out for the points in the figure 16 when performing drain work.

• When extending the drain hose, use a commercially available drain extension hose, and be sure to

insulate the extended section of the drain hose which is indoors. (Refer to Fig. 17)

• Make sure the diameter of the extension drain piping is the same as the indoor unit drain hose (hard vinyl

chloride, I.D. 9/16”) or bigger.

• In case of converging multiple drain pipes, install them referring to Fig. 18.

• Select diameter of drain piping which adapts to the capacity of the unit connected.

(2) Make sure the drain works properly.

• After drain work is complete, perform a drain

check by opening the front panel, removing

the air filter, pouring water into the drain pan,

and making sure water flows smoothly out of

the drain hose. (Refer to Fig. 19)

Fig. 16

Make sure the drain

hose is at a downward

slope.

Make sure the tip does

not go underwater even

when water is added.

Drain hose Drain hose

(Downward

slope)

Indoor unit drain hose

Extension drain piping

(commercially available)

Insulating tube

(commercially available)

Insulating tape (accessory) (4)

( See “4.INDOOR UNIT INSTALLATION” )

Fig. 17

Fig. 18

(Slope of at least 1/100)

4 or more

Plastic container

for pouring

Drain pan

Make sure not to splash the water.

Fig. 19

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Daikin FXAQ09MVJU Installation Manual Page 14

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