Mitsubishi MS-GA50/60VB, MSH-CA50VB Installation Manual
1
SG79Y367H01
SPLIT-TYPE AIR CONDITIONERS
Models
MS-GA50/60VB
MSH-GA50VB Series
MSH-CA50VB
[FLARE CONNECTION TYPE]
English
INSTALLATION MANUAL
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 25 m
and the difference of height of both units is 10 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 interferes 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 interferes 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.
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.
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 3 to a
pillar or wall and set the wireless remote controller 6.
In rooms where inverter type fluorescent lamps are used, the signal from the
wireless remote controller may not be received.
1. THE FOLLOWING SHOULD ALWAYS BE
OBSERVED FOR SAFETY
•
Please provide an exclusive circuit for the air conditioner and do not connect other
electrical appliances to it.
Please report to your supply authority or obtain their consent before connecting
this equipment to the power supply system.
•
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.
WARNING
Could lead to death, serious injury, etc.
CAUTION
Could lead to serious injury in particular environments when operated incorrectly.
•
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 com-
pleted.
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.
HFC
utilized
R410A
When installing an MXZ series
outdoor unit, refer to the MS and MSH
type manual for indoor unit set up.
SG79Y367H13
D
E
F
G
B
3
4
7
H
C
6
1
2
I
A
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 25 m max.
Height difference 10 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.)
Pipe length
Up to 7 m No additional charge is required.
Exceeding 7 m
Additional charge is required.
(Refer to the table below.)
Refrigerant to
20 g/m × (refrigerant piping length (m) -7)
be added
ACCESSORIES
Check the following parts before installation.
<Indoor unit>
1 Installation plate 1
2 Installation plate fixing screw 4 × 25 mm 7
3 Remote controller holder 1
4 Fixing screw for 3 3.5 × 16 mm (Black) 2
5 Battery (AAA) for remote controller 2
6 Wireless remote controller 1
7 Felt tape (Used for left or left-rear piping) 1
<Outdoor unit: MUH type>
8 Drain socket 1
9 Drain cap ø33 2
PART TO BE PROVIDED AT YOUR SITE
Optional extension pipe
A
Indoor/outdoor unit connecting wire
1
(2-core 1.0 mm2-2.0 mm2)
B Extension pipe 1
C Wall hole sleeve 1
D Wall hole cover 1
E
Pipe fixing band (The quantity depends
on the pipe length.)
2 to 5
F
Fixing screw for E 4 × 20 mm (The
2 to 5
quantity depends on the pipe length.)
G Piping tape 1
H Putty 1
I
Drain hose (or soft PVC. hose, 15 mm
1
inner dia. or hard PVC pipe VP16)
J Refrigeration oil 1
Power supply cord (See the table in 5
K
INDOOR/OUTDOOR WIRE CONNECTION
1
AND OUTDOOR POWER SUPPLY CORD
CONNECTION for the cord size.)
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
7 mm or more
100 mm or more
100 mm or more
100 mm or more
500 mm
or more
350 mm
or more
Note: Do not
obstruct the
air outlet.
72 mm or more
100 mm or more for left and left
back piping (using spacer
)
120 mm
or more
Heat resisting foam
plastic 0.045
specific gravity
200 mm or more
5
PIPING PREPARATION
1 Specifications
Use the refrigerant pipes that meet the following specifications.
Pipe
Outside diameter Insulation thickness
Insulation material
mm mm
For liquid 6.35 8
MS(H)-GA50
12.7 8
For gas MSH-CA50
MS-GA60 15.88 8
• Use a copper pipe or a copper-alloy seamless pipe with a thickness of 0.8 mm (for
ø6.35, 9.52, 12.7) or 1.0 mm (for ø15.88). Never use any pipe with a thickness less
than 0.8 mm (for ø6.35, 9.52, 12.7) or 1.0 mm (for ø15.88), 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.
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.
850mm
290mm
310mm
500mm
18mm
18mm
10mm
Slot
4-10 mm × 21 mm
Units should be installed by licensed contractor
according to local code requirement.
Air outlet
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.
For MSH-CA50VB
For MS(H)-GA50VB
MS-GA60VB
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.
When bolts recessed in the concrete wall are to be utilized, secure the installation
plate 1 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.
4-2 WALL HOLE DRILLING
1 Determine the wall hole position.
2 Drill a 75 mm hole so that outside can be lower than inside.
3 Insert the wall hole sleeve C.
Positioning of the holes on the wall
Be sure to use wall hole sleeve C 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.
Wall hole sealing and fixing pipe to wall
72 mm or more
100 mm or more for left
and left back piping (using
spacer)
200 mm or more
(off the wall)
Plumb
Installation
plate fixing
screw 2
4 × 25 mm
120 mm or more
(off the w
all)
Insert the scale.
Align the scale with the line.
Installation plate 1
Hole of dia.
75 mm
Repeat the same procedure for the left hole.
Wall hole
75 mm dia.
(Indoor side)
(Wall hole cross section)
Wall thickness
One scale
Wall hole sleeve C
Cut with 1 extra
scale length.
Installation
plate 1
To prevent the installation plate from vibrating, be sure to fix the holes
as indicated by the arrows c.
Wall hole
sleeve C
Indoor unit
Wall hole cover D
Seal the wall hole
gap with putty H.
Fix the pipe to wall with
pipe fixing band E.
Cut off the
extra length. Pipe fixing
band E
Fixing screw F
Align the plumb line
with the mark .
Bind the line to the center hole.
100 mm
4-3 CONNECTING WIRE SPECIFICATIONS
•
Use special room air conditioning circuit.
Power supply cord length
1 m/2 m
(Lead to left/Lead to right)
Indoor/outdoor unit connecting Cable 2-core 1.0 mm2, in conformity
wire Specification with Design 245 IEC 57.
•
Take out power supply cord from the left or right bottom corner of the indoor unit.
Connect to the power switch which has a gap of 3 mm or more when open to
interrupt the source power phase.
(When the power switch is shut off, it must interrupt all phases.)
(Rated Voltage/Frequency : 230 V/50 Hz)
(Input capacity Main switch/Fuse : 10 A)
(This plug has to be the one meets the Standards.)
Power supply cord
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.
4-4 INDOOR AND OUTDOOR CONNECTING WIRE CON-
NECTION
You can connect indoor/outdoor lead wire without removing the front panel.
1 Open the front panel.
2 Remove one screw holding the electrical cover, then remove the cover.
3 Remove the VA clamp and the cord clamp.
4 Pass the indoor/outdoor unit connecting wire from the back of the indoor unit and
process the end of the wire, then connect it to the terminal block.
5 Replace the fixture and electrical cover securely.
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 electrical cover securely. If it is attached incorrectly, it could result in a
fire or an electric shock due to dust, water, etc.
Indoor
terminal block
ELECTRICAL COVER
Fixing screws
Securely push the wire into
the terminal block until no
part of its core is appeared.
Indoor/outdoor unit connecting wire A
VA clamp
Never fail to hook the left claw on
the wire fixture to secure indoor/
outdoor unit connecting wire A.
Green/Yellow : Ground
Blue : N
Brown : L
MSH type
15 mm
35 mm
Indoor terminal block
Indoor/outdoor unit
connecting wire A
2-core 1.0 mm
2
Outdoor terminal block
<Connection details>
Loosen terminal
screw.
Lead wire
Terminal
block
3 N
3
N
Loading...