Mitsubishi Electric Mr.Slim SLZ-M15 User manual

Air Conditioners
SLZ-M15, M25, M35, M50, M60FA
INSTALLATIONSMANUAL
INSTALLATION MANUAL
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INSTALLATIONSHANDBUCH
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MANUEL D’INSTALLATION
INSTALLATIEHANDLEIDING
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MANUAL DE INSTALACIÓN
MANUALE DI INSTALLAZIONE
MANUAL DE INSTALAÇÃO
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FOR MONTØR
DLA INSTALATORA
INSTALLATIONSMANUAL
FÖR INSTALLATÖREN
VOOR DE INSTALLATEUR
FÜR INSTALLATEURE
FOR INSTALLER
TIL INSTALLATØREN

Contents
1. Safety precautions ......................................................................................... 2
2. Selecting the installation location ................................................................... 3
3. Installation diagram ........................................................................................ 4
4. Installing the indoor unit ................................................................................. 4
5. Refrigerant piping work .................................................................................. 6
6. Drainage piping work ..................................................................................... 8
7. Electrical work ................................................................................................ 9
8. Test run ........................................................................................................ 16
9. System control ............................................................................................. 18
10. Installing the grille ........................................................................................ 18
11. Easy maintenance function .......................................................................... 21
1. Safety precautions
unit.
: Indicates a part which must be grounded.
: Be sure not to do.
After installation work has been completed, explain the “Safety Precautions,” use,
and maintenance of the unit to the customer according to the information in the
Operation Manual and perform the test run to ensure normal operation. Both the
Installation Manual and Operation Manual must be given to the user for keeping.
These manuals must be passed on to subsequent users.
This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of outdoor unit.
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
unit.
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cation.
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-
-
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safety.
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tions.
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-
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pipes.
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2.2.
controller are surely received by the indoor unit from that position (‘beep’ or ‘beep-
or wall and set the wireless remote controller.
wireless remote controller may not be received.
1. Safety precautions
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-
-
-
-
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(576)
(576)
625
408
88 525
570 150
313
576 - 610
408
576 - 610
625 570 525
481
208
245
127
18952
50 - 92
10
*1
37+5
0
* Before using, check the dimensions of template and gauge, because they
* The dimensions of ceiling opening can be regulated within the range shown in
following diagram; so center the main unit against the opening of ceiling, ensuring
that the respective opposite sides on all sides of the clearance between them
becomes identical.
Outer side of main unit
Bolt pitch
Ceiling opening
Outer side of Grille
Grille
Ceiling
If setting the maintenance space for , be
sure to leave is a minimum of 700 mm.
Maintenance space
Fresh air intake
Angle
Electric component box
* Leave the maintenance space at the electric component box end.
ensure a minimum space of 25 mm.
The indoor unit should be supplied with the following accessories.
Accessory name Q’ty
Installation template 1
4
4
1
1
6
2
2
Drain socket 1
Insulation 1
7.5 - 24.57.5 - 24.5
Min. 450
Floor
7.5 - 24.57.5 - 24.5
Min. 5
Min. 2500
Min. 450
Ceiling
Grille
Obstacle
Min. 1000 mm
If setting the maintenance space for , be sure to leave is a minimum of 700 mm.
Refer to the outdoor unit installation manual.

10 tapping
screws which should be prepared locally.
wrap the duct in a heat insulate to avoid causing dew drop on the wall.
3-ø5 hole
Detail drawing of fresh air intake
Indoor unit
Ceiling surface
3-Tapping screw hole
ø73.4 cutout hole
4
Insulation
-
structors and interior decorators should be consulted for details.
in order to protect the ceiling from vibration.
foundation for securing the ends of the ceiling board.
reinforcing members.
be at least 6 cm long if the beams are separated by not more than 90 cm and their
sides must be at least 9 cm long if the beams are separated by as much as 180
Ferroconcrete structures
Secure the suspension bolts using the method shown, or use steel or wooden hang-
ers, etc. to install the suspension bolts.
Unit
Grille
Pillow
Ceiling
Rafter
Beam
Roof beam
Use inserts rated at 100-150 kg
Steel reinforcing rod
Ceiling
Suspend the main unit as shown in the diagram.
1. In advance, set the parts onto the suspension bolts in the order of the washers
2. Lift the unit to the proper height of the suspension bolts to insert the mounting
plate between washers and then fasten it securely.
failing to adhere to this range.
condensation may form and drip due to air leakage etc.
with water.
securely to fasten the main unit.
entering the main unit when the grilles are left unattached for a while or when the
Main unit
Ceiling
*B: Suspension bolt pitch (see Fig. 4-2
Mounting plate
Check using the Installation gauge
Main unit
Ceiling
Ceiling opening dimensions
37
127
+5 0
120°
120°
120°
60°
ø 100
ø 100
ø 75
15
20
70
140
186
37+5
0 208
576 - 610
A=37 +5
0
Min. 30

Indoor unit
Outdoor unit
ø6.35
SLZ-M15, M25, M35: ø9.52
SLZ-M50: ø12.7
SLZ-M60: ø15.88
Copper tubes
Good
No good
Tilted
Uneven
Burred
Burr
Spare reamer
Pipe cutter
Flare nut
Copper tube
Flaring tool
Die
Copper tube
Flare nut
Yoke
-
Model Pipe Outside diameter Min. wall
thickness
Insulation
thickness
Insulation
material
mm inch
SLZ-M15
SLZ-M25
SLZ-M35
For liquid 6.35 0.8 mm 8 mm
Heat resist-
ing foam
plastic 0.045
gravity
For gas 9.52 0.8 mm 8 mm
SLZ-M50
For liquid 6.35 0.8 mm 8 mm
For gas 12.7 0.8 mm 8 mm
SLZ-M60
For liquid 6.35 0.8 mm 8 mm
For gas 15.88 1.0 mm 8 mm
order to avoid burrs drop in the tubing.
having completed burr removal.
Pipe diameter
Dimension
B +0
-0.4
Clutch type
6.35 0 - 0.5 9.1
9.52 0 - 0.5 13.2
12.7 0 - 0.5 16.6
15.88 0 - 0.5 19.7
Firmly hold copper tube in a die in the dimension shown in the table at above.

øB
6 196 196
188
133 69
64
Refrigerant pipe and insulating material
Cross-sectional view of connection
Refrigerant pipe
Insulating material
Smooth all around
Inside is shining without any scratches
Even length all around
Too much
Tilted
Drain pipe
Ceiling
Grille
Main unit
Model Dimension
SLZ-M15
SLZ-M25
SLZ-M35
63 mm 72 mm
SLZ-M50
SLZ-M60 63 mm 78 mm
completed.
of pipe re-fabricated.
carefully following shown below.
the end of the pipe cover touches the side of the unit.
the end of the pipe cover touches the side of the unit.
Secure both ends of each pipe cover with the enclosed bands. (Attach the bands
Make sure that the slit in the pipe cover is facing upward when it is installed.
all piping connections between indoor and outdoor unit have been completed, vacuum-
purge air from system through the service port for the stop valve on the outdoor unit.
After completing procedures above, open outdoor unit stop valves stem fully. This
completes connection of refrigerant circuit between indoor and outdoor units. Stop
valve instructions are marked on outdoor unit.
section.
Flare nut tightening torque
Copper pipe O.D. Flare nut O.D. Tightening torque
ø6.35 17 14 - 18
ø9.52 22 34 - 42
ø12.7 26 49 - 61
ø15.88 29 68 - 82
R0.4 - R0.8
45°± 2°
90°± 0.5°
Cracked
Uneven
Bad examples

30 30 30 ,
downward slope.
Correct piping Support metal
Air bleeder
Raised
Odor trap
Grouped piping
Make it as large as possible
Indoor unit
Up to 850 mm
5. Insulate the drain port with insulating material, then secure the material with a
Main unit
Insulating material
Insertion margin
Matching Drain socket
Max. 20 m
1.5–2 m
Max. 150 mm

Indoor unit model SLZ-M
(mm2
Indoor unit-Outdoor unit *1
Indoor unit-Outdoor unit earth *1 1 × Min. 1.5
Indoor unit earth 1 × Min. 1.5
Remote controller-Indoor unit *2
Circuit rating
*3 —
Indoor unit-Outdoor unit S1-S2 *3
Indoor unit-Outdoor unit S2-S3 *3
Remote controller-Indoor unit *3
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
S1
S2
L
N
1
2
S1
S2
S3S3
AB C
D
E
F
G
S1
S2
L
N
1
2
S1
S2
S3
1
2
S1
S2
S3S3
1
2
S1
S2
S3
1
2
S1
S2
S3
D
E
F
G G G G
AB C
A Outdoor unit power supply
B Earth leakage breaker
D Outdoor unit
F Remote controller
G Indoor unit
*1. Max. 45 m
If 2.5 mm2 used, Max. 50 m
If 2.5 mm2 used and S3 separated, Max. 80 m
*2. Max. 500 m
2.
A Outdoor unit power supply
B Earth leakage breaker
D Outdoor unit
F Remote controller
G Indoor unit
1:1 System

15
Be sure to connect the remote
locations shown in the diagram.
Secure with a band
location shown in the diagram
Secure with a band
at the location shown in the
diagram
(Remote controller
Cable strap
12
CN5Y
CN90 CN4Z
Electric component cover
Electric component box
Entry for Indoor-Outdoor connecting cable
Entry for wired remote controller cable
Cable clamp
Indoor controller
Earth cable
Cable strap
1. Loosen the two screws securing the electric component cover, and then slide and
remove the cover.
2. Route the wires along the wiring routes and through the wire inlets in the electric
component box.
cable to the terminal block.
4. Secure the wires with the cable straps inside the electric component box.
Secure the wires with cable straps as cushioning components so that no stress is
applied to the connecting sections of the terminal block when tension is generated.
5. Install the electric component cover.
Make sure that the wires do not get pinched.
6. Secure the wires with the cable straps outside the electric component box.