Mitsubishi Electric MSZ-JP09WA User manual

1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
 
 
  
 

 
INSTALLATION MANUAL
ENGLISH
Required Tools for Installation
Phillips screwdriver





Wrench (or spanner)

wrench




Pipe cutter with reamer
MSZ-JP09/12WA
■Do not install the unit by yourself (user).
 


■Follow the instructions detailed in the installation manual.
 

■When installing the unit, use appropriate protective equipment and tools for
safety.
 
■Install the unit securely in a place that can bear the weight of the unit.
 

■ Perform electrical work according to the installation manual and be sure to use
an exclusive circuit. Do not connect other electrical appliances to the circuit.
 

■Ground the unit correctly.
 

■ Do not damage the wires.
 
■ Be sure to shut off the main power when setting up the indoor P.C. board or
wiring.
 
■ -

 
■ 
 
■Do not use intermediate connection of the power cord or the extension cord.
Do not connect many devices to one AC outlet.
 
■ 
 

■ When plugging the power supply plug into the outlet, make sure that there is
no dust, blockage, or loose parts both in the outlet and on the plug. Verify that
the power supply plug is completely in the outlet.


■ Securely attach the electrical cover to the indoor unit and the service panel to
the outdoor unit.
If the electrical cover of the indoor unit and/or the service panel of the outdoor unit are


■ When installing, relocating, or servicing the unit, make sure that no substance
!"#$%&
 




■ Do not discharge the refrigerant into the atmosphere. Check that the refriger-
ant gas does not leak after installation has been completed. If refrigerant leaks
during installation, ventilate the room.
 
 

■ Use appropriate tools and piping materials for installation.
  


■ When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes.
If the refrigerant pipes are disconnected while the compressor is running and the


■ When installing the unit, securely connect the refrigerant pipes before starting
the compressor.
 


■ '*
 
■ Install the unit according to national wiring regulations.
■Depending on the installation area, install a Ground Fault Interrupt (GFI) circuit
breaker.
 
could occur.
■Perform the drainage/piping work securely according to the installation manual.
 
damage household items.
■ 
 
■Do not install the outdoor unit where small animals may live.
 

CAUTION 
WARNING 
1. BEFORE INSTALLATION


 MSZ-JP09WA MSZ-JP12WA

  
    
    

  
   
     
     
Compressor     8.8 
     
Control voltage 

Pipe  

Insulation
 Insulation material
inch (mm)
    


For gas   
  

Pipe length 
 
 
Pipe length
 
 


added 
1-3. SPECIFICATIONS
1-3-1. POWER SUPPLY AND INDOOR/OUTDOOR
WIRE CONNECTION
 
 
 
 
Connecting wires and the ground wire
        
 
 
 
* Follow local electrical codes.
Power supply cable and ground wire
  
 
* Follow local electrical codes.
Note:



 
 


 
sides.
 
the pipe.
 
units.
 
1-3-2. REFRIGERANT PIPES
 
 
CAUTION



to form.
1-2. SELECTING THE INSTALLATION LOCATION
INDOOR UNIT
 
 
 
 


 
 

 
the affected device.
 

       




 
Note:
Install the indoor unit high on the wall where air can

REMOTE CONTROLLER
 
 
 



remote controller holder to a pillar or wall and install
wireless remote controller.
Note:


received.
OUTDOOR UNIT
         


 
 
or hot (or cool) air.
  

 
 

  


 
device.
 
      


Note:
 

         
location where continuous direct sunlight or excessive

Note:
When operating the air conditioner in low outside tem


 

 
with its air inlet side facing the wall and

on the air outlet side.
Avoid the following places for installation where air

 
 
in the air.
 


damaged).
 
 



  
    


Indoor unit
Wall hole
sleeve (C)
Pipe attachment
strap (E)
Use the wall hole sleeve
(C) to prevent indoor/
outdoor connecting wire
(A) from contacting metal
parts in the wall and to
protect the wiring from
rodents.
Wall hole cover (D)
Attachment screw (F)
Cut off the
extra length.
1-4. INSTALLATION DIAGRAM
ACCESSORIES

<Indoor unit>
 Installation plate 

Attachment screws for the installa
tion plate


 Wireless remote controller 
  
   
(6)  


holder


FIELD-SUPPLIED PARTS
(A)  
 Extension pipe 
(C) Wall hole sleeve 
(D) Wall hole cover 
(E) Pipe attachment strap 
(F)  
 Piping tape 
  
(I)
Drain hose

mm] inner diameter or hard PVC


(J)  
(K) 
 









to 8 turns around the piping.




for new refrigerant.
Note:
 


(6)
(7)
(3)
(5)


or more


or more

mm) or more/

or more for left and

(using spacer)

or more
Drain piping for outdoor unit





or more

or more

or more

or more

   
when front and sides of
unit are clear
 
rear of unit are clear



Air inlet
Air outlet

 





Air inlet



Air inlet
Air outlet


  



Air inlet
Attach the pipe to
wall with pipe at
tachment strap (E).



 
 
 

2-1. ATTACHING THE INSTALLATION PLATE
 
 

installed in other holes.
     


 
Wall

2-2. DRILLING


than the indoor side.

2-3. CONNECTING WIRES FOR INDOOR UNIT
Note:






    





  
 


 

 



Conduit plate
Conduit pipe or






Indoor terminal

Fixing
screw
Conduit cover

Conduit plate






 
  


piping on left side
of unit


side of unit




line with the
 .
Center of




or more


or more



Ceiling
Wall
 Insert
the
scale.
Align the
scale with
the line.

N
INDOOR UNIT

115 V AC
1phase, 60 Hz

terminal**
Disconnect
switch*
OUTDOOR UNIT



 


 
Remark:
* A disconnect switch


** Use a ring tongue termi
nal in order to connect a
ground wire to terminal.
Electrical cover 

Conduit pipe
(for rear piping)
Conduit plate
or
Wall

terminal

wire


2. INDOOR UNIT INSTALLATION


piping on right side of unit


right side of unit


2-4-2. DRAIN PIPING
 

 
 

 


Do not raise Accumulated
drain water
Air
Waving
Water

Water

Water


hose dipped
in water
Ditch
At least


gap
Downward
slope
Drain
hose



Drain hose



Insert

Different
diameter



or more
  



Indoor/outdoor unit
connecting wire (A)

2-4. PIPE FORMING AND DRAIN PIPING
2-4-1. PIPE FORMING
 
 
 
 
supplied).
Note:

screws.
Left or left-rear piping
Note:



from the end.
 


 

 


 
pan.

 
drain pan.






 

on left side of unit.
Drain cap
Drain hose
Drain cap
Drain hose
 
 



Rear or bottom piping





unit to left and right.
 
Right piping
Note:







unit to left and right.
 


for piping on
right side of
unit



3-1. CONNECTING WIRES FOR OUTDOOR UNIT


 
 

 
 

 

8) Install the conduit cover.

3-2. FLARE CONNECTION




 


 
 
 

 
the connecting wires.
 
spondent terminal when securing the cord

Power supply cord (K)
L1 N
Copper
pipe

90°


 
 Copper pipe

Pipe cutter



Even length
all around
Inside is shin

scratches.

Fig. 6

Flaring tool

Uneven 
Pipe diam
eter inch
(mm)

inch
(mm)
A inch (mm) 
Clutch


Clutch


Wing nut



 
 












 
 


 
 
 




 




 
B
Flare nut
Die Copper pipe

Power supply cord (K)
Indoor/outdoor unit
connecting wire (A)


Conduit cover
Conduit plate
Conduit pipe

terminal
 to conduit cover
3. OUTDOOR UNIT INSTALLATION

wire



3-3. PIPE CONNECTION
 
 
 

Indoor unit connection

 

 
 

Outdoor unit connection

detailed in Indoor unit connection.
 
4-1. PURGING PROCEDURES AND LEAK TEST



4-4. EXPLANATION TO THE USER
  


  

 

            











4-2. TEST RUN


 

        
 
 



Checking the remote (infrared) signal reception


 

4-3. AUTO RESTART FUNCTION



for details.)

eration switch

Caution:
 


To the user
 
 

3-4. INSULATION AND TAPING


 
 

WARNING
When installing the unit, securely connect the refrigerant pipes before starting
the compressor.

 





Vacuum pump (or the vacuum
pump with the function to


 
Compound pressure gauge
 



 
Adapter for
preventing the

Charge hose
 
*Close


Precautions when using the control valve When attaching the control valve

deform or loosen if excess pressure


Charge hose

Close

Control valve
A
When attaching the control valve to


then tighten part A. Do not tighten
 
core is in open position.



cm)



Pressure gauge
 
4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN

5-3. PUMPING DOWN



pipe side of the outdoor unit.





 
 

operation



.
 

5-1. REMOVING AND INSTALLING THE PANEL
ASSEMBLY
Removal procedure


Installation procedure



When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.
WARNING
   
  
5. RELOCATION AND MAINTENANCE
5-2. REMOVING THE INDOOR UNIT


