Toshiba 24S Series Installation Manual Download Page 6

4

Toshiba 1110651160 (EN)

520 mm

420 mm 

43

 m

m

80

How to remove the drain cap

Clip the drain cap by needle-nose 

pliers and pull out.

How to remove the drain hose

 The drain hose can be removed by removing the 

screw securing the drain hose and then pulling out 

the drain hose.

  When removing the drain hose, be careful of any 

sharp edges of steel plate. The edges can injuries.

  To install the drain hose, insert the drain hose 

fi rmly until the connection part contacts with heat 

insulator, and the secure it with original screw.

How to fi x the drain cap

1) Insert hexagon 

  wrench (4 mm) 

  in a center head.

In case of right or left piping

 After scribing slits of the front panel 

with a knife or a making-off pin, 

cut them with a pair of nippers or 

an equivalent tool.

In case of bottom right or bottom left piping

 After scribing slits of the front panel 

with a knife or a making-off pin, 

cut them with a pair of nippers or 

an equivalent tool.

Liquid side

Gas side

(To the forefront of fl are)

Outward form of indoor unit

R 30 mm (Use polisin (polyethylene)

core or the like for bending pipe.)

Use the handle of screwdriver, etc.

Heat insulator

Drain hose

4 mm

Do not apply lubricating oil

(refrigerant machine oil) when

inserting the drain cap. Application

causes deterioration and drain

leakage from the plug.

Slit

Slit

1. Die-cutting front panel slit

  Cut out the slit on the leftward or right side of the front panel for the left 

or right connection and the slit on the bottom left or right side of the front 

panel for the bottom left or right connection with a pair of nippers.

2. Changing drain hose

  For leftward connection, bottom-leftward connection and rearleftward 

connection’s piping, it is necessary to change the drain hose and drain 

cap.

) Firmly insert the drain cap.

No gap

CAUTION

Firmly insert the drain hose and drain cap; otherwise, water may leak.

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 a spring bender so as 

not to crush the pipe.

Bend the connecting pipe within a radius of 30 mm.

To connect the pipe after installation of the unit (fi gure)

Insert a hexagon

wrench (4 mm).

Piping and Drain Hose Installation

*  Since dewing results in a machine trouble, make sure to insulate both 

connecting pipes. (Use polyethylene foam as insulating material.)

Piping and drain hose forming

How to install the air inlet grille on the indoor unit

 When attaching the air inlet grille, 

perform the same process as for 

removal but in reverse order.

Wiring Connection

How to connect the connecting cable

Wiring of the connecting cable can be carried out without removing 

the front panel.

1. Remove the air inlet grille.

  Open the air inlet grille upward and pull it toward you.

. Remove the terminal cover and cord clamp.

3. Insert the connecting cable (according to the local rule) into the pipe hole 

on the wall.

4. Take out the connecting cable through the cable slot on the rear panel so 

that it protrudes about 15 cm from the front.

5. Insert the connecting cable fully into the terminal block and secure it 

tightly with screws.

6. Tightening torque : 1. N·m (0.1 kgf·m)

7. Secure the connecting cable with the cord clamp.

8. Fix the terminal cover, rear plate bushing and air inlet grille on the indoor 

unit.

1  2  3 

110 mm

20 mm

10 mm

80 mm 

Earth line

about 15 cm

Rear right

Rear left

Bottom left

Left

Bottom right

Right

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Ch

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Pi

pi

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CAUTION

 Be sure to refer to the wiring system diagram labeled inside the front 

panel.

 Check local electrical cords and also any specifi c wiring instructions or 

limitations. 

NOTE

 Use stranded wire only.

 Wire type  :  H07RN-F or more

Screw

Terminal cover

Terminal block

Cord clamp

Screw

Earth line
Connecting cable

Connecting cable

Stripping length of the connecting cable

Summary of Contents for 24S Series

Page 1: ...1 Toshiba 1110651160 COVER_F ENGLISH Indoor unit RAS 18 24SK Series Outdoor unit RAS 18 24S Series AIR CONDITIONER SPLIT TYPE INSTALLATION MANUAL 1110651160 ...

Page 2: ...tion Plate 3 nWiring Connection 4 nPiping and Drain Hose Installation 4 nIndoor Unit Fixing 5 nDrainage 5 EN OUTDOOR UNIT 5 nInstallation Place 5 nPrecautions about Installation in Regions with Snowfall and Cold Temperatures 5 nRefrigerant Piping Connection 6 nEvacuating 6 nWiring Connection 6 nElectrical Work 6 OTHERS 7 nGas Leak Test 7 nRemote Control A B Selection 7 nTest Operation 8 nAuto Rest...

Page 3: ...WAY MORE THAN M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTING...

Page 4: ...er operation Do not allow the drain hose to get slack Make sure to run the drain hose sloped downward Cut the piping hole sloped slightly The auxiliary piping can be connected to the left rear left rear right right bottom right or bottom left Right Rear right Left Bottom right Rear left Bottom left Insulate the refrigerant pipes separately with insulation not together 8 mm thick heat resisting pol...

Page 5: ...nything on the top of the indoor unit The center of the pipe hole is above the arrow Pipe hole In case of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws 7 Indoor unit Side view Top view Indoor unit Remote control Remote control Reception range R e c e p t i o n r a n g e Installation plate Keep horizontal direction 5 m...

Page 6: ... 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 a spring bender so as not to crush the pipe Bend the connecting pipe within a radius of 30 mm To connect the pipe after installation of the unit figure Inse...

Page 7: ...ion drain hose insulate the connecting part of extension drain hose with shield pipe NOTE The hole should be made at a slight downward slant on the outdoor side CAUTION Arrange the drain pipe for proper drainage from the unit Improper drainage can result in dew dropping 1 Installation plate Information The lower part of indoor unit may float due to the condition of piping and you cannot fix it to t...

Page 8: ...handle of the gauge manifold valve 6 Open fully the valve stem of the packed valves both gas and liquid sides 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Packed valve at liquid side Vacuum pump Handle Lo 101 kPa 76 cmHg Packed valve handling precautions Open the valve stem until it touches the stopper Once it is in contact with the stopper refr...

Page 9: ... 3 2 Terminal block Cord clamp Earth line Terminal screw Cord clamp Screw Power supply cord Connecting cable For 18 Class For 24 Class Earth line Stripping length of the connecting cable CAUTION Wrong wiring connection may cause some electrical parts burn out Be sure to comply with local rule on running the wire from indoor unit to outdoor unit size of wire and wiring method etc Every wire must be...

Page 10: ...3 beep sound but OPERATION lamp does not blink In case of ON timer or OFF timer are set AUTO RESTART OPERATION does not activate This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure To switch the TEST RUN COOL mode press RESET button for 10 seconds The beeper will make a short beep RESET Hi POWER FILTER PAP TIMER...

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