Toshiba RAS-M05N4KVSG-E User manual

AIR CONDITIONER (MULTIPLE TYPE)
INSTALLATION MANUAL
Indoor unit
RAS-M05N4KVSG-E
R32
ENGLISH
1126250101

PRECAUTIONS FOR SAFETY...........................................................................................................................................1
ACCESSORY PARTS.........................................................................................................................................................5
INSTALLATION DIAGRAM OF INDOOR UNIT..................................................................................................................6
Optional Installation Parts...............................................................................................................................................6
INDOOR UNIT.....................................................................................................................................................................7
Installation Place.............................................................................................................................................................7
Cutting a Hole and Mounting Installation Plate...............................................................................................................7
Wiring Connection...........................................................................................................................................................8
How to Connect Remote Controller for Wire Operation..................................................................................................8
Piping and Drain Hose Installation..................................................................................................................................9
Indoor Unit Fixing..........................................................................................................................................................10
Drainage .......................................................................................................................................................................10
OTHERS............................................................................................................................................................................ 11
Gas Leak Test ............................................................................................................................................................... 11
Remote Control A-B Selection ...................................................................................................................................... 11
Test Operation .............................................................................................................................................................. 11
Auto Restart Function Setting ...................................................................................................................................... 11
APPENDIX ........................................................................................................................................................................12
CONTENTS
EN

1
PRECAUTIONS FOR SAFETY
PRECAUTIONS FOR SAFETY
• Before installation, please read these precautions for safety carefully.
• Be sure to follow the precautions provided here to avoid safety risks. The symbols
and their meanings are shown below.
WARNING : It indicates that incorrect use of this unit may cause severe injury or
death.
CAUTION : It indicates that incorrect use of this unit may cause personal injury
(*1), or property damage (*2).
*1: Personal injury means a slight accident, burn, or electrical shock
which does not require admission or repeated hospital treatment.
*2: Property damage means greater damage which affects assets or
resources.
For general public use
Power supply cord and connecting cable of appliance use shall be at least
polychloroprene sheathed flexible cord (design H07RN-F) or cord designation
60245 IEC66. (Shall be installed in accordance with national wiring regulations.)
This appliance must be connected to the main power supply by means of a circuit
breaker or a switch with a contact separation of at least 3 mm in all poles.
CAUTION To disconnect the appliance from the main power supply
Read the precautions in
this manual carefully before
operating the unit.
This appliance is filled with
R32.

2
DANGER
• FOR USE BY QUALIFIED PERSONS ONLY.
• TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL
WORK. MAKE SURE ALL POWER SWITCHES ARE OFF.
FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK.
• CONNECT THE CONNECTING CABLE CORRECTLY. IF THE CONNECTING
CABLE IS CONNECTED WRONGLY, ELECTRIC PARTS MAY BE DAMAGED.
• CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED
BEFORE INSTALLATION.
• DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR
GAS VAPORS.
FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR
EXPLOSION.
• TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE
HAZARD, PLACE THE UNIT WELL AWAY (MORE THAN 2 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 (R32) 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 RESULTINGLY CAUSES BURST OF
THE PIPE AND INJURIES ON PERSONS.
• IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE
DURING THE INSTALLATION WORK, IMMEDIATELY LET FRESH AIR
INTO THE ROOM. IF THE REFRIGERANT GAS IS HEATED BY FIRE OR
SOMETHING ELSE, IT CAUSES GENERATION OF POISONOUS GAS.

3
WARNING
• Never modify this unit by removing any of the safety guards or bypassing any of
the safety interlock switches.
• Do not install in a place which cannot bear the weight of the unit.
Personal injury and property damage can result if the unit falls.
• Before doing the electrical work, attach an approved plug to the power supply
cord.
Also, make sure the equipment is properly earthed.
• Appliance shall be installed in accordance with national wiring regulations.
If you detect any damage, do not install the unit. Contact your dealer
immediately.
• Do not use any refrigerant different from the one specified for complement or
replacement.
Otherwise, abnormally high pressure may be generated in the refrigeration
cycle, which may result in a failure or explosion of the product or an injury to
your body.
• Do not use means to accelerate the defrosting process or to clean, other than
those recommended by the manufacturer.
• The appliance shall be stored in a room without continuously operating ignition
sources (for example: open flames, an operating gas appliance or an operating
electric heater).
• Be aware that refrigerants may not contain an odour.
• Do not pierce or burn as the appliance is pressurized. Do not expose the
appliance to heat, flame, sparks, or other sources or ignition. Else, it may
explode and cause injury or death.
• For R32 model, use pipes, flare nut and tools which is specified for R32
refrigerant. Using of existing (R22) piping, flare nut and tools may cause
abnormally high pressure in the refrigerant cycle (piping), and possibly result in
explosion and injury.
• Thickness of copper pipes used R32 must be more than 0.8 mm. Never use
copper pipes thinner than 0.8 mm.
• After completion of installation or service, confirm there is no leakage of
refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire.
• When the indoor unit is connected with multi-split R32 outdoor unit 3M26, 4M27
and 5M34.
Please see IMS outdoor unit installation manual and consult your dealer about
the minimum floor area.
• Comply with national gas regulations.

4
REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER
Please make absolutely sure that the installation of this appliance is reported to
the local power supplier before installation. If you experience any problems or if the
installation is not accepted by the supplier, the service agency will take adequate
countermeasures.
■Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases.
Do not vent gases into the atmosphere.
Refrigerant type: R32
GWP(1) value: 675 * (ex. R32 ref. AR4)
(1)GWP = global warming potential
The refrigerant quantity is indicated on the unit name plate.
* This value is based on F gas regulation 517/2014
CAUTION
• Exposure of unit to water or other moisture before installation could result in
electric shock.
Do not store it in a wet basement or expose to rain or water.
• After unpacking the unit, examine it carefully for possible damage.
• Do not install the unit at place where leakage of flammable gas may occur.
In case gas leaks and accumulates at surrounding of the unit, it may cause of
fire.
• Do not install in a place that can increase the vibration of the unit. Do not
install in a place that can amplify the noise level of the unit or where noise and
discharged air might disturb neighbors.
• To avoid personal injury, be careful when handling parts with sharp edges.
• Please read this installation manual carefully before installing the unit. It contains
further important instructions for proper installation.
• The manufacturer shall not assume any liability for the damage caused by not
observing the description of this manual.

5
ACCESSORY PARTS
ACCESSORY PARTS
Indoor Unit
No. Part name No. Part name
1
Installation plate × 1
2
Wireless remote control × 1
3
Battery × 2
4
Remote control holder × 1
5
Toshiba Ultra pure filter × 2
6
Mounting screw × 6
7
Flat head wood screw × 2
8
Owner’s Manual × 1
9
Installation Manual × 1
!
Flat head wood screw × 1
"
Battery cover
Air filters
Clean every 2 weeks.
1. Open the air inlet grille.
2. Remove the air filters.
3. Vacuum or wash and then dry them.
4. Reinstall the air filters and close the air inlet grille.
Filter
Maintenance & Shelf-life
Clean every 3-6 months when dust tuck or covers the filter.
1. Recommend to use vacuum to clean by sucking the dusts which stick or dip inside the filter or use the blower to blow the dust go out through the filter.
2. If necessary to use water to clean, simply use the plain water to wash the filter, dry with the sunlight for 3-4 hours or until it completely dry.
Nevertheless, use hair drier to dry it. However, washing with water, it may reduce the performance of the filter.
3. Replace every 2 years or sooner. (contact your dealer to purchase new filter) (P/N : RB-A622DA)
Note: Filter life depends on the level of impurities in your operating environment. Higher levels of impurities may require more frequent cleaning and
replacement. In all cases, we recommend an additional set of filters to improve the purifying and deodorizing performance of your air conditioner.
Filter

6
INSTALLATION DIAGRAM OF INDOOR UNIT
INSTALLATION DIAGRAM OF INDOOR UNIT
Part
code Parts name Q’ty
A
Refrigerant piping
Liquid side : Ø6.35 mm
Gas side : Ø9.52 mm
One
each
BPipe insulating material
(polyethylene foam, 6 mm thick) 1
CPutty, PVC tapes One
each
Optional Installation Parts
2
The auxiliary piping can be connected to
the left, rear left, rear right, right, bottom
right or bottom left.
Right
Rear
right
Bottom
right
Rear
left Bottom left
Left
Insulate the refrigerant pipes separately
with insulation, not together.
6 mm thick heat resisting
polyethylene foam
1
3
Batteries
7
Flat head
wood screw 4
Remote control
holder
Wireless remote control
Shield pipe
(Attach to the front panel.)
Air filter
Hook
Installation
plate
Hook
65 mm or more
300 mm or more
300 mm or more
Make sure to run the drain hose sloped
downward.
Do not allow the drain hose to get slack.
Cut the piping
hole sloped
slightly.
The provided Remote Controller is a wireless
type, which also can be used as a wire.
Please see “How to Connect The Remote
Controller for Wired Operation”, in case of
wired control is required.
5
Filter
!
Flat head
wood screw
7
Flat head
wood screw
"
Battery
cover
Refrigerant piping
must be protected from
physical damage.
Install a plastic cover or
equivalent.
Cut out a piece of SPACER from indoor
unit packaging box, roll it and insert
between the indoor unit and wall to tilt
the indoor unit for better operation.
For the rear left, bottom left and left piping
Wall

7
INDOOR UNIT
INDOOR UNIT
Installation Place
• Direct sunlight to the indoor unit’s wireless receiver should be avoided.
• The microprocessor in the indoor unit should not be too close to RF
noise sources.
(For details, see the owner’s manual.)
Remote control
• A place where there are no obstacles such as a curtain that may block the
signal from the indoor unit
• Do not install the remote control in a place exposed to direct sunlight or
close to a heating source such as a stove.
• Keep the remote control at least 1 m apart from the nearest TV set or
stereo equipment. (This is necessary to prevent image disturbances or
noise interference.)
• The location of the remote control should be determined as shown below.
Cutting a Hole and Mounting
Installation Plate
NOTE
• When drilling a wall that contains a metal lath, wire lath or metal plate, be
sure to use a pipe hole brim ring sold separately.
Cutting a hole
When installing the refrigerant pipes from the rear
1. After determining the pipe hole position on the mounting plate (Æ), drill
the pipe hole (Ø65 mm) at a slight downward slant to the outdoor side.
• A place which provides the spaces around the indoor unit as shown in the
diagram
• A place where there are no obstacles near the air inlet and outlet
• A place which allows easy installation of the piping to the outdoor unit
• A place which allows the front panel to be opened
• The indoor unit shall be installed at least 2.5 m height. Also, it must be
avoided to put anything on the top of the indoor unit.
CAUTION
54 °
45°
57 °
(Side view) (Top view)
Indoor unit
Reception range
Remote
control
Remote
control
Reception
range
Indoor unit
The center of the pipe hole
is above the arrow.
Pipe hole
Ø65 mm
120 mm
6
When the installation plate is directly mounted
on the wall
1. Securely fit the installation plate onto the wall by screwing it in the upper
and lower parts to hook up the indoor unit.
2. To mount the installation plate on a concrete wall with anchor bolts, use
the anchor bolt holes as illustrated in the below figure.
3. Install the installation plate horizontally in the wall.
When installing the installation plate with a mounting screw, do not use
the anchor bolt holes. Otherwise, the unit may fall down and result in
personal injury and property damage.
CAUTION
Failure to firmly install the unit may result in personal injury and property
damage if the unit falls.
• 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 6.
NOTE
• Secure four corners and lower parts of the installation plate with 4 to 6
mounting screws to install it.
CAUTION
Installation plate
(Keep horizontal direction.)
5 mm dia. hole
Clip anchor
(local parts)
Mounting screw
Ø4 mm x 25R
Anchor bolt
Projection
15 mm or less
Mounting the installation plate
144
50 50
300
65 103
300
6
1
Hook
Hook Hook
Pipe hole
Pipe hole
Installation
plate
Mounting screw
Weight
Indoor unit Thread

8
1 Open two screw caps and securely remove two screws at the front panel.
2. Slightly open the lower part of the front panel then pull the upper part of
the front panel toward you to remove it as shown on figure 1.
3. Arrange the control wire as detail and specification as shown on figure
2.
4. Securely connect the control wire to terminal of Display unit as shown on
figure 3(tighten firmly but not over 0.12 N·m (0.01 kgf·m)).
5. Set the control wire out from indoor unit same portion as power supply
and connecting cable as shown on figure 3. (Notch for wire out)
6. Reassembly the indoor unit by reverse process of 1 to 2.
Screw
Screw cap
Screw
Front panel
1
2
3
* Wire size 28-22AWG
or 0.08-0.32 mm2
Outer diameter not over 4.7 mm,
control wire length 30 m. or less.
70 mm
5 mm
Terminal
Control wire Notch for wire out
Control wire
Display unit
Indoor unit
Control wire
Remote controller
How to Connect Remote Controller
for Wire Operation
For indoor unit
Wiring Connection
Indoor unit
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.
2. Remove the terminal cover and cord clamp.
3. Insert the connecting cable (according to the local cords) 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 20 cm from the front.
5. Insert the connecting cable fully into the terminal block and secure it
tightly with screws.
6. Tightening torque : 1.2 N·m (0.12 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.
Cord clamp
Terminal cover
Screw
Screws
Air inlet grille
Front panel
3
Connecting cable connect to 123
Earth line
50 mm
10 mm
70 mm
10 mm
Earth line
Connecting cable
Terminal block (1 2 3)
Stripping length of the Connecting cable