Toshiba RAS-10YAV-E Service Manual page 38

Toshiba air conditioner service manual
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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)
(3)
(1) (2)
Vertical air flow louver
Fig. 9-2-6
How to open the screw cap
• Place your finger on the lower part and push
to open the screw cap.
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.
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.
Terminal block
Cord
Terminal
clamp
Earth line
Connecting
cover
cable
Screw
Screw
Fig. 9-2-8
Connecting
Screw
cable
Stripping length of connecting cable
1 2 3
10mm
1 2 3
10mm
50mm
40mm
Earth
line
NOTE
NOTE
Connect the earth line to the
Use stranded wire only.
metallic part (
mark) located
WIRE TYPE : more than
at the side of 3P terminal.
H05 RN-F
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
Q
R
S
center
, right end
, left end
and the lower
T
center
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
Push
Push
Push
deposited on the front
3
1
2
cabinet surface. In addition
a gap between the front
cabinet and the rear plate
4
will become wilder,
Push
spoiling the apperance.
Fig. 9-2-10
9-2-5. Piping and Drain Hose Installation
In case of rightward piping
Slit
• After scribing slits of the
(front cabinet)
front cabinet and the rear
panel by a knife or a
marking-off pin, cut them by
a pair of nippers or the like.
Slit (rear panel)
Fig. 9-2-12
In case of downward piping
• After scribing the slit of the front
cabinet and slit in the lower part
Slit
of the rear panel by a knife or a
(front cabinet)
marking-off pin, cut them by a
pair of nippers or the like.
Slit
Fig. 9-2-13
(rear panel)
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)
(To the forefront of flare)
196mm
Liquid side
96mm
Gas side
Outward form
of indoor unit
R 30mm (Use polisin (polyethylene core)
or the like for bending pipe.)
Use the handle of screwdriver,etc.
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
Indoor unit
tightly. In case of
Connecting
leftward piping and
Auxiliary
cable
pipes
rear-leftward piping,
bind the auxiliary
pipes (two) only with
Installation
plate
facing tape.
Fig. 9-2-15
• 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.
9-2-6. 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.
Hook here
1
1 Installation
plate
2
Fig. 9-2-16
Press (unhook)
Hook
• For detaching the
indoor unit from the
installation plate pull
the indoor unit toward
you while pushing its
bottom up at the
Push
Push
specified parts.
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.
Do not rise the drain hose.
Do not form the drain hose
into the waved shape.
50 mm
or more
Do not put the
Do not put the drain
drain hose end
hose end in the
into water.
drainage ditch.
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.
Shield pipe
Drain hose
Inside the room
Extension drain hose
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
Wall
indoor unit, to the drain pan.
Drain
Therefore, do not store the
guide
power cord and other parts
at a height above the drain
Space for
guide.
pipes
Fig. 9-2-20

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