Toshiba Carrier MMC-AP0181H2UL 설치 매뉴얼 - 페이지 8

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13-EN

Ceiling type

Drain Piping Work

CAUTION

• Following the Installation Manual, perform the

drain piping work so that water is properly

drained, and apply a heat insulation so as not to

cause a dew drop.

Inappropriate piping work may result in water

leakage in the room and wet of furniture.

Piping/Heat insulating material

Require the following materials for piping and heat

insulating at site.

Hard vinyl chloride pipe VP20

Piping

(Outer dia.: Ø1.0" (26 mm))

Foam polyethylene:

Heat insulator

Thickness 0.4" (10 mm) or more

REQUIREMENT

• Perform heat insulation of the drain pipes of the indoor

unit.

• Perform heat insulation of the connecting part with the

indoor unit.

An incomplete heat insulation causes dew drop.

• Set the drain pipe with downward slope (1/100 or

more), and do not make swelling or trap on the piping.

It may cause an abnormal sound.

• For length of the traversing drain pipe, restrict to 65'7"

(20 m) or less.

In case of a long pipe, provide support brackets with

interval of 4'11" - 6'7" (1.5 - 2 m) in order to prevent

waving.

4'11" - 6'7" (1.5 - 2 m)

Support

bracket

1/100 or more

Heat insulator

downward

Arched

shape

GOOD

Trap

• Set the collective piping as shown in the below figure.

As long as possible (3.9" (100 mm))

VP25

VP30 or more

Downward slope

1/100 or more

Installation Manual

• Do not apply force to the connecting part of the drain

pipe.

• The hard vinyl-chloride pipe cannot be directly

connected to the drain pipe connecting port of the

indoor unit.

For connection with the drain pipe connecting port, fix

the attached flexible hose with the hose band,

otherwise a damage or water leak is caused on the

drain pipe connecting port.

Drain pipe connecting port

Attached flexible hose

(Hard socket)

Attached hose band

Drain pan

Soft socket

Adhesive agent

VP20 vinyl chloride pipe

prohibited

(procured locally)

Adhesive inhibited:

Use the attached flexible hose and hose band for

connecting the drain hose to the clear drain socket.

If applying the adhesive, socket will be damaged and

cause water leakage.

Connecting drain pipe

• Connect the hard vinyl chloride pipe (procured

locally) to the mounted drain hose which was

attached.

• Piping from left side

• To take pipe from the left side, exchange the plug

from left to right. Push in the plug of which end is

not sharp up to the end.

Drain pan

Plug

– 7 –

Ceiling type

Drain up

When not securing down slope on the drain pipe, use

a Drain pump kit sold separately.

Also refer to the "Drain pump kit installation manual".

The drain pipe can be raised 23.6" (600 mm) from the

top face of the main unit.

* When using Drain pump kit, both drain pipe and

refrigerant pipe can be taken only from upper side.

* VP25 PVC pipe is needed when a drain pump is

used.

Connection of drain hose

• Insert the attached drain hose into the drain pipe

connecting port on the drain pan up to the end.

• Fit the attached hose band to the end of the pipe

connecting port, and then tighten it securely.

REQUIREMENT

• Fix the drain hose with the attached hose band, and

set the tightening position upward.

• As the draining is the natural water draining, arrange

the pipe outside of the unit on the down slope.

• If piping is performed as shown in the figure, drain

cannot be discharged.

NO GOOD

Refrigerant pipe

Drain pipe

Fit the attached hose band to the end of the hose, lay

down the knob, and then tighten hose band.

Drain pan

Attached drain hose

Confirm that soft hose is pushed

in up to the end of the drain pan.

Installation Manual

Perform heat insulating

• Using the attached drain hose heat insulator, lap the

connecting section and the drain hose without

clearance, and then tighten with two handing band

so that heat insulator does not open.

• Covering the attached drain hose heat insulator, lap

the heat insulator (procured locally) to the drain pipe

without clearance.

Lap covering connecting section

Heat insulator

between drain pan and drain hose.

(procured locally)

Drain hose

Drain

pan

Lap the attached

Hose band

Banding band

Hose band

heat insulation so

that the one end

is put on the other

Attached heat insulator

end at the upper

* Tighten the banding band so that attached

side.

heat insulator is not pushed excessively.

14-EN