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2. Put water in the drain pan and make sure that the water is drained out of

doors.

3. When connecting extension drain hose, insulate the connecting part of

extension drain hose with shield pipe.

Shield pipe

Drain hose

Inside the room

Installation Place

• A place which provides the spaces around the outdoor unit as shown in the

diagram

• A place which can bear the weight of the outdoor unit and does not allow an

increase in noise level and vibration

• A place where the operation noise and discharged air do not disturb your

neighbors

• A place which is not exposed to a strong wind

• A place free of a leakage of combustible gases

• A place which does not block a passage

• When the outdoor unit is to be installed in an elevated position, be sure to

secure its feet.

• The allowable pipe length is up to 15 m

• The allowable height of outdoor-unit installation site is up to 5 m for

RAS-10PASG -T and 6 m for RAS-13PASG -T

• A place where the drain water does not raise any problems

CAU I N

1. Install the outdoor unit without anything blocking the air discharging.

2. When the outdoor unit is installed in a place always exposed to strong

wind like a coast or on a high storey of a building, secure the normal fan

operation using a duct or a windshield.

3. In particularly windy areas, install the unit such as to avoid admission of

wind.

4. Installation in the following places may result in trouble.

Do not install the unit in such places.

• A place full of machine oil

• A saline-place such as the coast

• A place full of sulﬁ de gas

• A place where high-frequency

waves are likely to be generated

as from audio equipment, welders,

and medical equipment

e ri erant Pi in Connection

Flarin

1. Cut the pipe with a pipe cutter.

2. Insert a ﬂ are nut into the pipe and ﬂ are the pipe.

• Pro ection mar in in ﬂ arin

I (clutch type)

ter dia.

o co

er i e

Ø6.35

Ø9.52

Ø12.70

Pipes thickness

Extension drain hose

OUTDOOR UNIT

Strong

wind

Obliquity

Roughness

Warp

A Unit mm

Conventional tool

tool sed

sed

0 to 0.5

1.0 to 1.5

0 to 0.5

1.0 to 1.5

0 to 0.5

1.0 to 1.5

0.8 mm or more

CAU I N

Arrange the drain pipe for proper drainage from the unit.

Improper drainage can result in dew-dropping.

This air conditioner has the structure designed

to drain water collected from dew, which forms

on the back of the indoor unit, to the drain pan.

Therefore, do not store the power cord and other

parts at a height above the drain guide.

I P

Die

Pipe

i htenin connection

Align the centers of the connecting pipes and tighten the ﬂ are nut as far as pos-

sible with your ﬁ ngers. Then tighten the nut with a spanner and torque wrench

as shown in the ﬁ gure.

Half union

Externally

threaded side

Use a wrench to secure.

CAU I N

Do not apply excess torque. Otherwise, the nut may crack depending on

the conditions.

ter dia. o co

er i e

Ø6.35 mm

Ø9.52 mm

Ø12.70 mm

•

e o ﬂ are i e connections

i htenin tor

The operating pressure of R32

is higher than that of R22 (approx.

1.6 times). It is therefore necessary

to ﬁ rmly tighten the ﬂ are pipe

connecting sections (which connect

the indoor and outdoor units) up to the

speciﬁ ed tightening torque. Incorrect

connections may cause not only a

gas leakage, but also damage to the

refrigeration cycle.

Space for pipes

IA (wing nut type)

ter dia. o co

er i e

Ø6.35

1.5 to 2.0

Ø9.52

1.5 to 2.0

Ø12.70

2.0 to 2.5

Pipes thickness

0.8 mm or more

Flare nut

Internally

threaded side

Use a torque wrench to tighten.

i htenin tor

16 to 18 (1.6 to 1.8 kgf·m)

30 to 42 (3.0 to 4.2 kgf·m)

50 to 62 (5.0 to 6.2 kgf·m)

Flare at

indoor unit side

Flare at

outdoor unit side

Wall

Drain

guide

(Unit : N·m)