Mitsubishi Heavy Industries FDC508HES3 Specifications download pdf (Page 16)

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(4) Drain piping

¡ The drain must not be allowed flow into

any drainage systems where sulfurous or

any other types of poisonous gas may be

present as it could result in these gasses

passing to the interior of the air

conditioned

room.

WARNING

¡ Follow carefully the instructions in the

installation manual to ensure that the

drain is securely installed in a manner

which allows free flow of water and also

that it is

correctly insulated to prevent

condensation.

Failure to install the drain

correctly can lead to the leakage of water

and subsequent damage to household

goods.

Request

¡ The drain piping should be insulated to prevent the occurrence of

condensation. (This applies particularly to the indoor unit itself and the

unit’s interior.)

¡ Install the piping sloping downwards (with an declination of between

1/50 and 1/100); in addition do not create any traps or rises along the

length of the piping.

¡ Use commercially available VP-20 rigid PVC pipe for the drain piping.

Make the drain piping

short and downward.

Do not place the

end in water.

No traps

No rises

CAUTION

(5) Electrical wiring

• Electrical wiring operations are to be performed in accordance with the directions given in the outdoor unit’s installation manual.

By switching the dip switch (SW3-3) on the indoor unit printed circuit board (“Specify the following switch number.”), the

operation mode can be changed to the quiet mode (mild mode). Confirm at installation and change if necessary.

18.5.2 Installation of outdoor unit

This is same as FDUR heat pump series. Refer to page 330.

18.6 MAINTENANCE DATA

This is same as FDUR heat pump series. Refer to page 340.

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Mitsubishi Heavy Industries FDC508HES3 Specifications Page 16

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