Mitsubishi Electric Slim Four-Way Cassette Type, Slim Four-Way Cassette Type Air Conditioner Installation Manual
For correct installation,read this manual before starting installation.
This manual may be subject to change without notice for purpose of improvement..
INSTALLATION MANUAL
AIR CONDITIONER
Slim Four-Way Cassette Type
CONTENTS
1. INSTALLATION INFORMATION..............................................
2. INSTALLATION LOCATION....................................................
3. INDOOR UNIT INSTALLATION...............................................
4. OUTDOOR UNIT INSTALLATION...........................................
5. INSTALL THE CONNECTING PIPE........................................
6. REFRIGERANT PIPE CONNECTING.....................................
7. WIRING....................................................................................
8. TEST OPERATION..................................................................
1
2
3
6
8
9
14
20
Please read this Installation Manual carefully before installation.
The Air Conditioner must be installed by qualified service personnel.
When installing the indoor unit or its tubing, please follow this manual as strictly as possible.
When all the installation work is finished, please turn on the power only after a thorough check.
This manual is subject to changes due to technological improvement without further notices.
Note:
Cautions on remote controller installation:
The installer should illustrate how to correctly use and maintenance the appliance to user and
remind the user carefully reading and keeping both Installation Manual and Owner's Manual
after the air conditioner is installed.
Pictures in this manual are based on standard model. The shape shown may be slightly
different from the air conditioner you purchased.
Do not throw or beat the remote controller.
Before installation, operate the remote controller to
determine its location in a reception range.
Keep the remote controller at least 1m apart from the
nearest TV set or stereo equipment. (It is necessary
to prevent image disturbances or noise interferences.)
Do not install the remote controller in a place exposed
to direct sunlight or close to a heating source, such as
a stove.
Note that the positive and negative poles are right
positions when loading batteries.
Please read the Remote controller User's Manual carefully
before using.
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Please check whether the accessories are of full scope. If there are some fittings free from use,
please restore them carefully.
Select the location
Install the connecting pipe
Install the indoor unit
Connect the drain pipe
Install the outdoor unit
Wiring
INSTALLATION INFORMATION
ACCESSORIES
Test operation
A place where there is enough room for installation and maintenance.
The ceiling is structurally sound to hold the Indoor Unit.
A place that is well ventilated and the influence of weather is the least.
A place that the airflow can reach every corners of the room.
A place where the refrigerant connecting pipe and drain pipe can reach out easily.
A place free of flammable gas or corrosive gas leakage.
A place where there is no direct affection from man-made high-voltage current and highÂfrequency wave.
A place which is far from noises and vibration.
A place where there is enough room for installation and maintenance.
A place where there is no obstruction for good air flow. And a place avoids strong wind.
A dry and well ventilating place.
The supporting surface is flat and horizontal and can endure the weight of outdoor unit without
adding extra noises and vibration.
Ensure that the operation noise and the discharged air do not disturb your neighbors.
A place avoids flammable gas.
A place which is easy to install the connecting pipe or electrical wire.
Children could not reach.
The condensate should be well drained away by the drain hole to an appropriate place, not to
the wall or road, so as not to interfere other people or public.
Do not install at a public corridor or a place which affect the appearance of the city.
Location in the following places may cause malfunction of the machine. (If unavoidable, please
consult your local dealer.)
a. A place with mineral oil, such as machine oil.
b. A saline place such as a seashore vicinity.
c. A place with sulphur gas.
d. A place where voltage fluctuated in a wide range.
e. A place with oil gas, such as kitchen.
f. A place where high-frequency waves are generated.
g. A place with flammable gas or material.
h. A place with acid or alkaline gas.
i. Other special conditions.
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INDOOR UNIT SHOULD BE INSTALLED AT:
OUTDOOR UNIT SHOULD BE INSTALLED AT:
CAUTIONS
INSTALLATION LOCATION
2
A 280
1. Decide the correct carry-in path.
2. Move this unit as originally packaged as possible.
3. If the air conditioner is installed on a metal part of the building, it must be electrically insulated
according to the relevant electrical code.
4. If installing in a lonely building or at a high position where it is hot and humid with frequent
thunderstorm, lightning-protection equipment is necessary.
NOTES BEFORE INSTALLATION
1. Install the main body
Necessary roomNecessary room
A. The existing ceiling (to be horizontal)
a. Please cut a quadrangular hole of 600 600mm in the ceiling according to the shape of the
installation paper board. (Refer to Chart3,4)
The center of the hole should be at the same position of that of the air conditioner body.
Determine the lengths and outlets of the connecting pipe, drain pipe and cables.
To balance the ceiling and to avoid vibration, please enforce the ceiling when necessary.
b. Please select the position of installation hooks according to the hook holes on the installation
board.
Drill four holes of 12mm, 50~55mm deep at the selected positions on the ceiling. Then embed
the expansible hooks(fittings).
Face the concave side of the installation hooks toward the expansible hooks. Determine the
length of the installation hooks from the height of ceiling, then cut off the unnecessary part.
If the ceiling is extremely high, please determine the length of the installation hook according to
facts.
Cut the installation hook open in the middle position, then use apropriate length of reinforcing
rod ( 12) to weld together.
Chart 1
Chart 3
Chart 2
Ground
Outlet
Drain side
A
422 28.5
67
401(Hook location)
611(Hook location)
580(Body)
580(Body)
600(Ceiling hole)
600(Ceiling hole)
650(Panel)
650(Panel)
Outlet
>2300
Inlet
INDOOR UNIT INSTALLATION
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>1000
>1000
>1000
>1000
3
The length could be calculated from Chart5:
Length=210+L(in general, L is half of the whole length of the installation hook)
c. Please adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance
of the body.
Use the transparent hose filled with water to check the lever of the main body from the four
sides or diagonal line direction, the lever indicator also can check the lever from four sides of
the main body Refer to chart 6)
If the drainpipe is awry, leakage will be caused by the malfunction of the water-level switch.
Adjust the position to ensure the gaps between the body and the four sides of ceiling are even.
The body's lower part should sink into the ceiling for 10~12mm (Refer to chart5).
Locate the air conditioner firmly by wrenching the nuts after having adjusted the body's position
well.
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B. New built houses and ceilings
a. In the case of new built house, the hook can be embedded in advance (refer to the A.b
mentioned above). But it should be strong enough to bear the indoor unit and will not become
loose because of concrete shrinking.
b. After installing the body, please fasten the installation paper board onto the air conditioner with
bolts (M5 16) to determine in advance the sizes and positions of the hole opening on ceiling.
Please first guarantee the flatness and horizontal of ceiling when installing it.
Refer to the A.a mentioned above for others.
c. Refer to the A.c mentioned above for installation.
d. Remove the installation paper board.
L
10-12
176
34
Chart 6
Chart 5
Chart 4
Chart 7 Chart 8
Colourless
trans parent pipe
Ceiling
Body
Ceiling
Panel
Hook
A
285
Nut
Body
600
Body
Fixing hole
Installation
paper board
Screw M5 16
(Accessory)
Installation
paper board
Hook hole
Central hole
H(ceiling height)
Horizontal
indicator
4
2. Install The Panel
(1) Remove the inlet grid.
(2) Install the panel
(3) Hang the air-in grid to the panel, then connect the lead terminator of the swing motor
and that of the control box with corresponding terminators on the body respectively.
(4) Relocate the air-in grid in the procedure of reversed order, install the air-in grid.
CAUTIONS:
CAUTIONS
Never put the panel face down on floor or against the wall, or on bulgy objects.
Never crash or strike it.
a. Slide two grid switches toward the middle at the same time, and then pull them up. (Refer to
chart 9)
b. Draw the grid up to an angle of about 30 , and remove it. (Refer to chart 10)
o
a. Align the swing motor on the panel to the water receiver of the body properly. (Refer to chart 11)
b. Hang the four fixed rope of the main body to the installation cover and the other three covers of
the swing motor: (Refer to chart 11 and )
c. Install the panel on the main body with bolt (M5 16) and washer. (Refer to chart 11 )
d. Adjust the four panel hook screws to keep the panel horizontal, and screw them up to the ceiling
evenly.
e. Regulate the panel in the direction of the arrow in Chart 11 slightly to fit the panel's center to
the center of the ceiling's opening. Guarantee that hooks of four corners are fixed well.
f. Keep fastening the screws under the panel hooks, until the thickness of the sponge between the
body and the panel's outlet has been reduced to about 4~6mm. The edge of the panel should
contact with the ceiling well. (Refer to chart 12)
Malfunction described in Chart 13 can be caused by inappropriate tightness the screw.
If the gap between the panel and ceiling still exists after fastening the screws, the height of the
indoor unit should be modified again. You can modify the height of the indoor unit through the
openings on the panel's four corners, if the lift of the indoor unit and the drainpipe is not
influenced (refer to chart 14-right).
12
4
3
The installation cover of the swing motor must sink into the corresponding water receiver.
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45
o
Grid switch
Chart9
Chart 10
5
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