Toshiba RAS-10YKV-E User Manual

Page 38

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Fig. 9-2-19

CAUTION

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.

• For detaching the

indoor unit from the
installation plate pull
the indoor unit toward
you while pushing its
bottom up at the
specified parts.

Fig. 9-2-14

NOTE

If the pipe is bent incorrectly, the indoor unit may
unstably be set on the wall.
After passing the connecting pipe through the pipe
hole, connect the connecting pipe to the auxiliary
pipes and wrap the facing tape around them.

CAUTION

• Bind the auxiliary pipes (two) and connecting

cable with facing tape
tightly. In case of
leftward piping and
rear-leftward piping,
bind the auxiliary
pipes (two) only with
facing tape.

• Carefully arrange pipes so that any pipe does

not stick out of the rear plate of the indoor unit.

• Carefully connect the auxiliary pipes and

connecting pipes to each other and cut off the
insulating tape wound on the connecting pipe
to avoid double-taping at the joint, moreover,
seal the joint with the vinyl tape, etc.

• Since dewing results in a machine trouble,

make sure to insulate both the connecting pipes.
(Use polyethylene foam as insulating material.)

• When bending a pipe, carefully do it not to

crush it.

9-2-5. Piping and Drain Hose Installation

In case of rightward piping

• After scribing slits of the

front cabinet and the rear
panel by a knife or a
marking-off pin, cut them by
a pair of nippers or the like.

Fig. 9-2-12

In case of downward piping

• After scribing the slit of the front

cabinet and slit in the lower part
of the rear panel by a knife or a
marking-off pin, cut them by a
pair of nippers or the like.

Fig. 9-2-13

Left-hand connection with piping

Bend the connecting pipe so that it is laid within
43 mm above the wall surface. If the connecting
pipe is laid exceeding 43 mm above the wall
surface, the indoor unit may unstably be set on the
wall. When bending the connecting pipe, make sure
to use spring bender so as not to crush the pipe.
Bend the connection pipe within a radius of 30 mm.
To connect pipe after installation of unit (figure)

Fig. 9-2-9

How to install the front cabinet on the indoor unit

• Install the front cabinet through the opposite

order of “How to remove the front cabinet”.
When the panel is removed and mounted again,
take the following actions:
After fastening the two screws, one each at the left
and right of the air outlet be sure to push the upper
center

Q

, right end

R

, left end

S

and the lower

center

T

of the air outlet, and confirm that no gap

is left between the front cabinet and the rear plate.

• If cooling (dry) operation is made without pushing

the air outlet, dew can be
deposited on the front
cabinet surface. In addition
a gap between the front
cabinet and the rear plate
will become wilder,
spoiling the apperance.

Fig. 9-2-6

How to open the screw cap

• Place your finger on the lower part and push

to open the screw cap.

9-2-3. Electrical Work

1. The supply voltage must be the same as the

rated voltage of the air conditioner.

2. Prepare the power source for exclusive use with

the air conditioner.

NOTE

• Wire type : More than H07RN-F or 245IEC66

(2,0mm² or more)

CAUTION

• Use power specified above table.
• This appliance can be connected to the mains

in either of the following two ways.
(1) Connection to fixed wiring :

A switch or circuit breaker which
disconnects all poles and has a contact
separation of at least 3 mm must be
incorporate in the fixed wiring.
An approved circuit breaker or switches
must be used.

(2) Connection with power supply plug :

Attach power supply plug with power cord
and plug it into wall outlet. An approved
power supply cord and plug must be used.

NOTE

• Perform wiring works so as to allow a generous

wiring capacity.

9-2-4. Wiring Connection

How to remove the front cabinet

(4)

(4)

(1) (2)

Vertical air flow louver

(3)

(1) (2)

Connecting
cable

abou

t 15c

m

Terminal block

Cord
clamp

Screw

Screw

Connecting
cable

Earth line

Terminal
cover

Screw

Earth

line

10mm

10mm

1 2 3

40mm

50mm

How to connect the connecting cable

Wiring of the connecting cable can be carried out
without removing of the front cabinet.
1. Remove the front cabinet.

Fully open the front cabinet. Disengage the
support arm located in the upper center while
pushing its handle leftwards, and then remove
the panel toward you.

2. Remove the terminal cover and cord clamp.
3. Insert the connecting cable (according to local

cords) into pipe hole on the wall.

4. Take out the connecting cable through the cable

slot on the rear panel so that it is exploded by
about 15 cm long in the front side.

5. Insert the connecting cable fully into the

terminal block and secure it by screw tightly.

6. Tightening torque : 1,2 N•m (0,12 kgf•cm)
7. Secure the connecting cable with the cord clamp.
8. Fix the wiring cover, rear plate bushing and

front cabinet on the indoor unit.

CAUTION

• Be sure to refer to the wiring system diagram

labeled inside the front panel.

• Check local electrical cords and also any

specific wiring instructions or limitation.

1 2 3

3

Push

1

Push

2

Push

4

Push

Slit (rear panel)

Slit
(front cabinet)

Slit
(rear panel)

Slit
(front cabinet)

196mm

96mm

Liquid side

Gas side

Outward form
of indoor unit

(To the forefront of flare)

R 30mm (Use polisin (polyethylene core)
or the like for bending pipe.)

43mm

Use the handle of screwdriver,etc.

80˚

Fig. 9-2-8

9-2-6. Indoor Unit Fixing

1. Pass the pipe through the hole in the wall, and

hook the indoor unit on the installation plate at
the upper hooks.

2. Swing the indoor unit to right and left to confirm

that it is firmly hooked up on the installation plate.

3. While pressing the indoor unit onto the wall,

hook it at the lower part on the installation plate.
Pull the indoor unit toward you to confirm that it
is firmly hooked up on the installation plate.

Fig. 9-2-16

Fig. 9-2-18

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.

NOTE

Use stranded wire only.
WIRE TYPE : more than
H05 RN-F

NOTE

Connect the earth line to the
metallic part ( mark) located
at the side of 3P terminal.

Fig. 9-2-10

Indoor unit

Connecting
cable

Installation
plate

Auxiliary
pipes

Press (unhook)

1 Installation

plate

Hook here

2

Hook

1

Push

Push

50 mm

or more

Do not rise the drain hose.

Do not form the drain hose
into the waved shape.

Do not put the
drain hose end
into water.

Do not put the drain
hose end in the
drainage ditch.

Fig. 9-2-17

9-2-7. Drainage

1. Run the drain hose sloping downwards.

NOTE

• Hole should be made at a slight downward slant

on the outdoor side.

Fig. 9-2-20

Shield pipe

Extension drain hose

Inside the room

Drain hose

Space for
pipes

Wall

Drain
guide

Stripping length of connecting cable

Fig. 9-2-15

Fig. 9-2-7

1 Open the screw caps and remove the two

screws securing the front cabinet.

2 Close the screw caps as behind.
3 Open the vertical air flow louver horizontally by

hand.

4 Slightly open the lower part of the front cabinet

then pull the upper part of the front cabinet
toward you to remove it from the rear plate.

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