SG79Y420H02
SPLIT-TYPE AIR CONDITIONERS
Models
MSZ-FA25/FA35VA
MUZ-FA25/FA35VA
[FLARE CONNECTION TYPE]
INSTALLATION MANUAL
1. THE FOLLOWING SHOULD ALWAYS BE
OBSERVED FOR SAFETY
IMPORTANT NOTES
TO COMPLY WITH THE REQUIREMENT OF
AUSTRALIAN STANDARD AS/NZS 3000
ELECTRICAL INSTALLATIONS (Wiring Rules), THE
ELECTRICAL WIRING REQUIRED BETWEEN THE
INDOOR AND OUTDOOR UNITS MUST BE
INSTALLED BY A LICENCED ELECTRICAL
CONTRACTOR.
Series
When installing an MXZ
series outdoor unit, refer to
the MXZ type manual for
outdoor unit set up.
HFC
utilized
R410A
•
Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR
SAFETY” before installing the air conditioner.
•
Be sure to observe the cautions specified here as they include important items related
to safety.
•
The indications and meanings are as follows.
CAUTION
Could lead to serious injury in particular environments when operated incorrectly.
WARNING
Could lead to death, serious injury, etc.
•
After reading this manual, be sure to keep it together with the OPERATING
INSTRUCTIONS in a handy place on the customer’s site.
WARNING
■ Do not install the unit by yourself (customer).
Incomplete installation could cause injury due to fire, electric shock, the unit falling
or leakage of water. Consult the dealer from whom you purchased the unit or
special installer.
■ Install the unit securely in a place which can bear the weight of the unit.
When installed in an insufficient strong place, the unit could fall causing injury.
■ Use the specified wires to connect the indoor and outdoor units securely
and attach the wires firmly to the terminal block connecting sections so
the stress of the wires is not applied to the sections.
Incomplete connecting and fixing could cause fire.
■
Do not use intermediate connection of the power cord or the extension cord
and do not connect many devices to one AC outlet.
It could cause a fire or an electric shock due to defective contact, defective
insulation, exceeding the permissible current, etc.
■ Check that the refrigerant gas do not leak after installation has completed.
If refrigerant gas leaks indoors, and comes into contact with the fire of a fan
heater, space heater, stove, etc., harmful substances will be generated.
■ Perform the installation securely referring to the installation manual.
Incomplete installation could cause a personal injury due to fire, electric shock,
the unit falling or leakage of water.
■ Perform electrical work according to the installation manual and be sure
to use an exclusive circuit.
If the capacity of the power circuit is insufficient or there is incomplete electrical
work, it could result in a fire or an electric shock.
■ Attach the electrical cover to the indoor unit and the service panel to the
outdoor unit securely.
If the electrical cover in the indoor unit and/or the service panel in the outdoor
unit are not attached securely, it could result in a fire or an electric shock due to
dust, water, etc.
■
Be sure to use the part provided or specified parts for the installation work.
The use of defective parts could cause an injury or leakage of water due to a
fire, an electric shock, the unit falling, etc.
■ Be sure to cut off the main power in case of setting up the indoor electronic
control P.C. board or wiring works.
It could cause an electric shock.
■ The appliance shall be installed in accordance with national wiring
regulations.
■ When installing or relocating the unit, make sure that no substance other
than the specified refrigerant (R410A) enters the refrigerant circuit.
Any presence of foreign substance such as air can cause abnormal pressure
rise or an explosion.
CAUTION
■ Earth the unit.
Do not connect the earth to a gas pipe, water pipe, lightning rod or telephone earth.
Defective earthing could cause an electric shock.
■ Do not install the unit in a place where an inflammable gas leaks.
If gas leak and accumulate in the area surrounding the unit, it could cause an
explosion.
■ Install an earth leakage breaker depending on the installation place (Where
it is humid).
If an earth leakage breaker is not installed, it could cause an electric shock.
■
Perform the drainage/piping work securely according to the installation manual.
If there is a defect in the drainage/piping work, water could drop from the unit
and household goods could be wet and damaged.
■ Fasten a flare nut with a torque wrench as specified in this manual.
When fastened too tight, a flare nut may broken after a long period and cause
a leakage of refrigerant.
2.
SELECTING THE INSTALLATION LOCATION
2-1 INDOOR UNIT
•
Where airflow is not blocked.
•
Where cool air spreads over the entire room.
•
Maximum refrigerant piping length between indoor unit and outdoor unit is 20 m and
the difference of height of both units is 12 m.
•
Rigid wall without vibration.
•
Where it is not exposed to direct sunshine.
•
Where easily drained.
•
At a distance 1 m or more away from your TV and radio. Operation of the air
conditioner may interfere with radio or TV reception in areas where reception is weak.
An amplifier may be required for the affected device.
•
In a place as far away as possible from fluorescent and incandescent lights (so the
infrared remote control can operate the air conditioner normally).
•
Where the air filter can be removed and replaced easily.
2-2 OUTDOOR UNIT
•
Where it is not exposed to strong wind.
•
Where airflow is good and dustless.
•
Where it is not exposed to rain and direct sunshine.
•
Where neighbours are not annoyed by operation sound or hot air.
•
Where rigid wall or support is available to prevent the increase of operation sound or vibration.
•
Where there is no risk of combustible gas leakage.
•
When installing the unit at a high level, be sure to fix the unit legs.
•
Where it is at least 3 m away from the antenna of TV set or radio. Operation of the air
conditioner may interfere with radio or TV reception in areas where reception is weak.
An amplifier may be required for the affected device.
•
Install the unit horizontally.
•
Please install it in an area not affected by snowfall or blowing snow. In areas with
heavy snow, please install a canopy, a pedestal and/or some baffle boards.
Note:
It is advisable to make a piping loop near outdoor unit so as to reduce vibration
transmitted from there.
2-3 WIRELESS REMOTE CONTROLLER MOUNTING
•
Place of mounting
• Where it is easy to operate and easily visible.
• Where children can not touch.
•
Mounting
Select a position about 1.2 m above the floor, check that signals from the remote
controller are surely received by the indoor unit from that position (‘beep’ or ‘beepbeep’
receiving tone sounds). After that, attach remote controller holder ! to a pillar or
wall and set the wireless remote controller ¤.
In rooms where inverter type fluorescent lamps are used, the signal from the
wireless remote controller may not be received.
CAUTION
Avoid the following places for installation where air conditioner trouble is liable to occur.
•
Where flammable gas could leak.
•
Where there is much machine oil.
•
Salty places such as the seaside.
•
Where sulfide gas is generated such as a hot spring.
•
Where there is high-frequency or wireless equipment.
285 mm
40 mm
344.5 mm
304 - 325 mm
800 mm
500 mm
150
mm
A
K
4
3
E
F
7
2
1
C
H
D
G
6
5
B
I
7 mm or more
100 mm or more
100 mm or more
350 mm or more
55 mm or more
113 mm or more for left and left
back piping (using spacer)
75 mm
or more
75 mm or more
Air outlet
2-10 mm × 21 mm slot
Be careful the
drain hose is not
raised.
Separate the 2 connecting pipes and
apply insulation individually.
8 mm thickness thermal insulation
plastic
Decide the installation position using mark on the installation
plate indicating the indoor unit size as reference.
When the piping is to be attached to a
wall containing metals (tin plated) or
metal netting, use a chemically treated
wooden piece 20 mm or thicker
between the wall and the piping or
wrap 7 to 8 turns of insulation vinyl
tape around the piping.
Lock the catch.
Front
Piping can be directed towards rear,
right, downward, left or left-rear
directions.
Rear side
Right
Rear
Downward
Left-rear
Left
Units should be installed by licensed contractor according to local code
requirement.
PIPING PREPARATION
1 Specifications
Use the refrigerant pipes that meet the following specifications.
Heat resisting foam plastic
0.045 specific gravity
•
Use a copper pipe or a copper-alloy seamless pipe with a thickness of 0.8 mm.
Never use any pipe with a thickness less than 0.8 mm, as the pressure resistance is
insufficient.
2 Ensure that the 2 refrigerant pipes are insulated to prevent condensation.
3 Refrigerant pipe bending radius must be 100 mm or more.
8
8
Pipe
Outside diameter Insulation thickness
Insulation material
mm mm
For liquid
For gas
6.35
9.52
3. INSTALLATION DIAGRAM & ACCESSORIES
FLARED CONNECTIONS
•
This unit has flared connections on both indoor and outdoor sides.
•
Remove the outdoor units valve cover, then connect the pipe.
•
Refrigerant pipes are used to connect the indoor and outdoor units.
•
Be careful not to crush or bend the pipe in pipe bending.
Limits
Pipe length 20 m max.
Height difference 12 m max.
No. of bends 10 max.
•
Refrigerant adjustment ... If pipe length exceeds 7 m, additional refrigerant
(R410A) charge is required.
(The outdoor unit is charged with refrigerant for pipe length up to 7 m.)
Indoor/outdoor unit connecting wire
1
(4-core 1.0 mm
2
)
Extension pipe 1
Wall hole sleeve 1
Wall hole cover 1
Pipe fixing band (The quantity depends
on the pipe length.)
2 to 5
Fixing screw for 4 × 20 mm (The
2 to 5
quantity depends on the pipe length.)
Piping tape 1
Putty 1
Drain hose (or soft PVC. hose, 15 mm
1 or 2
inner dia. or hard PVC pipe VP16)
Refrigeration oil 1
Power supply cord (See the table in 5-1
POWER SUPPLY CORD AND INDOOR/
1
OUTDOOR UNIT CONNECTING WIRE
CONNECTION for the cord size.)
Note:
When operating the air conditioner in low outside temperature,
be sure to follow the instructions described below.
•
Never install the outdoor unit in a place where its air inlet/outlet
side may be exposed directly to wind.
•
To prevent exposure to wind, install the outdoor unit with its
air inlet side facing the wall.
•
To prevent exposure to wind, it is recommended to install a
baffle board on the air outlet side of the outdoor unit.
PART TO BE PROVIDED AT YOUR SITE
Optional extension pipe
Refrigerant to be added
ACCESSORIES
Check the following parts before installation.
<Indoor unit>
Installation plate 1
Installation plate fixing screw 4 × 25 mm 5
Remote controller holder 1
Fixing screw for 3.5 × 16 mm (Black) 2
Battery (AAA) for remote controller 2
Wireless remote controller 1
Felt tape (Used for left or left-rear piping) 1
Up to 7 m No additional charge is required.
Exceeding 7 m
Additional charge is required.
(Refer to the table below.)
30 g/m × (refrigerant piping length (m) -5)
Pipe length
200 mm or more
Basically open 100 mm
or more without any
obstruction in front and
on both sides of the unit.
QUICK CLEAN KIT
• Please deliver to end user with box.
CAUTION
Be sure to use the insulation of specified thickness. Excessive thickness may cause
incorrect installation of the indoor unit and lack of thickness may cause dew drippage.
Air inlet
Open two sides of left,
right, or rear side.
15 mm
25 mm
4. INDOOR UNIT INSTALLATION
4-1 FIXING OF INSTALLATION PLATE
•
Find a structural material (such as a stud) in the wall and fix installation plate horizontally.
55 mm or more
113 mm or more for left and
left back piping (using spacer)
Plumb
Installation plate fixing
screw 4 × 25 mm
75 mm or more
(off the wall)
Insert the scale.
Align the scale with the line.
Installation plate
Hole of dia.
65 mm
Repeat the same procedure for the left hole.
Wall hole
65 mm dia.
(Indoor side)
(Wall hole cross section)
Wall thickness
One scale
Wall hole sleeve
Cut with 1 extra
scale length.
Installation
plate
Wall hole
sleeve
Indoor unit
Wall hole cover
Seal the wall hole
gap with putty .
Fix the pipe to wall with
pipe fixing band
.
Cut off the
extra length. Pipe fixing
band
Fixing screw
Align the plumb line
with the mark .
Bind the line to the center hole.
100 mm
Indoor/outdoor unit
connecting wire
4-core 1.0 mm
2
Outdoor terminal block
Loosen terminal screw.
Lead wire
Earth wire
(green/yellow)
75 mm or more
(off the wall)
Wall hole sealing and fixing pipe to wall
Be sure to use wall hole sleeve to prevent the outdoor connecting wires from contacting
with metal part in the wall and to prevent damage by rat in case the wall is hollow.
4-2 WALL HOLE DRILLING
1 Determine the wall hole position.
2 Drill a 65 mm hole so that outside can be lower than inside.
3 Insert the wall hole sleeve
.
Positioning of the holes on the wall
When bolts recessed in the concrete wall are to be utilized, secure the installation plate
using 11 × 20 · 11 × 26 oval hole (450 mm pitch).
If the recessed bolt is too long, change it for a shorter one available in the market.
4-3 INDOOR/OUTDOOR UNIT CONNECTING WIRE
SPECIFICATIONS
•
Use special room air conditioning circuit.
Indoor/outdoor unit connecting wire
Specification
Cable 4-core 1.0 mm2, in conformity with
Design 245 IEC 57.
WARNING
Never cut the indoor and outdoor unit connecting wire and connect it to other wires.
It may cause a fire.
Do not bundle the spare wire, but put it as shown below.
To prevent the installation plate from vibrating, be sure to fix the holes
as indicated by the arrows {.
4-4 INDOOR AND OUTDOOR CONNECTING WIRE
CONNECTION
You can connect indoor/outdoor lead wire without removing the front panel.
1 Remove the corner box.
2 Remove the VA clamp.
3 Process the end of the earth wire and connect the wire to the earth terminal of the
electrical parts box.
4 Process the end of the indoor/outdoor unit connecting wire and fix the wire to the
terminal block.
5 Secure the indoor/outdoor unit connecting wire and the earth wire with the VA clamp.
6 Reinstall the corner box.
WARNING
•
Use the indoor/outdoor unit connecting wire that meets the Standards to connect
the indoor and outdoor units and fix the wire to the terminal block securely so that
no external force is conveyed to the connecting section of the terminal block.
Incomplete connection or fixing of the wire could result in a fire.
•
Attach the VA clamp securely. If it is attached incorrectly, it could result in a fire or
an electric shock due to dust, water, etc.
VA clamp
Never fail to hook the right claw on
the VA clamp to secure indoor/
outdoor unit connecting wire .
Fixing
screw
Corner box
Securely push the wire into the
terminal block until no part of its
core is appeared.
Indoor/outdoor unit connecting wire
Indoor terminal block
Terminal
block
Indoor terminal block
CAUTION
•
Be careful not to make mis-wiring.
•
Firmly tighten the terminal screws to prevent them from loosening.
•
After tightening, pull the wires lightly to confirm that they do not move.
•
If the connecting wire is incorrectly connected to the terminal block, the unit does
not operate normally.
•
If an earth is incorrect, it may cause an electric shock.
•
Make earth wire a little longer than the others. (more than 55 mm)
4-5 HOW TO SWITCH OVER <REMOTE CONTROLLER>
The details of SLIDE SWITCH
1 Remove the front lid.
2 Be sure to set the slide switch inside the remote controller to an appropriate position
in accordance with the installed position of the indoor unit. If the switch is not set
correctly, the air conditioner may not function properly.
Area
Left Center Right
Position of the
slide switch
Display on the remote
controller
Where is the indoor unit installed in the room?
Installed at left, if the distance
is not more than 50 cm.
Installed at left, if the distance
is not more than 50 cm.
(Left) (Center) (Right)
Is the indoor unit
installed at right,
left or center?
* If the indoor unit is installed more than 50 cm away from the side walls, cabinets or
other nearby objects, set the slide switch to the “center” position.
<Connection details>
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