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Mitsubishi Electric American Standard NAXWEL09A112A Series User Manual

Mitsubishi Electric American Standard NAXWEL09A112A Series
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1
-
1.
T
HE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFET
Y



 



 



 

 

 
















 

 





 
 




 




D
o not install the unit by yourself (user).




































Fo
ll
o
w
t
h
e
in
st
r
uct
i
o
n
s
deta
il
ed
in
t
h
e
in
sta
ll
at
i
o
n m
a
n
ua
l.








 








-





W
hen installin
g
the unit, use appropriate protective equipment and tools
f
o
r
safet
y
.



  

Install the unit securely in a place that can bear the weight o
f
the unit.






















P
erform electrical work accordin
g
to the installation manual and be sure to use
an exc
l
us
i
ve c
i
rcu
i
t.
D
o not connect ot
h
er e
l
ectr
i
ca
l
app
li
ances to t
h
e c
i
rcu
i
t.

































G
round the unit correctl
y
.



 








-



 








D
o not
d
amage t
h
e w
i
res.






B
e sure to shut off the main power when settin
g
up the indoor P.C. board o
r
wiring.













-




  



















D
o not use intermediate connection o
f
the
p
ower cord or the extension cord.
D
o not connect man
y
devices to one AC outlet
.

 
 































W
hen plu
gg
in
g
the power suppl
y
plu
g
into the outlet, make sure that there is
n
o dust, blockage, or loose parts both in the outlet and on the plug. Verify that
th
e power supp
l
y p
l
ug
i
s comp
l
ete
l
y
i
n t
h
e out
l
et.









 


 





















Securely attach the electrical cover to the indoor unit and the service panel to
th
e out
d
oor un
i
t
.
If the electrical cover of the indoor unit and/or the service
p
anel of the outdoor unit are



















When installing, relocating, or servicing the unit, make sure that no substance


!"#$%










































 




















 
D
o not dischar
g
e the re
f
ri
g
erant into the atmosphere.
C
heck that the re
f
ri
g
er
-
a
nt
g
as does not leak after installation has been completed. If refri
g
erant leaks
d
uring installation, ventilate the room.
 











































U
se appropriate tools and pipin
g
materials for installation.






























When pumpin
g
down the refri
g
erant, stop the compressor before disconnectin
g
t
he refrigerant pipes.
If the refrigerant pipes are disconnected while the compressor is running and the



















When installin
g
the unit, securel
y
connect the refri
g
erant pipes before startin
g
t
he compressor.


































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Question and Answer IconNeed help?

Do you have a question about the Mitsubishi Electric American Standard NAXWEL09A112A Series and is the answer not in the manual?

Mitsubishi Electric American Standard NAXWEL09A112A Series Specifications

General IconGeneral
SeriesNAXWEL09A112A
CategoryAir Conditioner
Cooling Capacity9, 000 BTU/h
Power Supply208-230V, 1 Phase, 60 Hz
RefrigerantR-410A
Operating Temperature (Cooling)115°F
Operating Temperature (Heating)75°F
Outdoor Unit Dimensions (H x W x D)31.5

Summary

1. BEFORE INSTALLATION

1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY

Safety precautions and instructions for installation, including warnings and cautions to prevent injury.

Required Tools for Installation

Lists essential tools required for the proper installation of the air conditioning unit.

1-2. SELECTING THE INSTALLATION LOCATION

INDOOR UNIT

Guidance on choosing an optimal location for the indoor unit for effective airflow and operation.

REMOTE CONTROLLER

Recommendations for placing the remote controller for convenient operation and signal reception.

OUTDOOR UNIT

Criteria for selecting an appropriate installation site for the outdoor unit, considering wind and noise.

1-3. SPECIFICATIONS

1-3-1. POWER SUPPLY AND INDOOR/OUTDOOR WIRE CONNECTION

Details on exclusive circuits, wiring standards, and conductor types for power and ground connections.

1-3-2. REFRIGERANT PIPES

Specifications for insulating refrigerant pipes, bending radius, and insulation thickness.

1-4. INSTALLATION DIAGRAM

ACCESSORIES

Lists and quantities of included parts for installation, such as plates, screws, and controllers.

FIELD-SUPPLIED PARTS

Identifies parts that must be provided by the installer, like connecting wires and pipes.

Drain piping for outdoor unit

Instructions for proper drain piping installation for the outdoor unit, especially in cold regions.

2. INDOOR UNIT INSTALLATION

2-1. ATTACHING THE INSTALLATION PLATE

Step-by-step guide for securely attaching the indoor unit's installation plate to the wall.

2-2. DRILLING

Instructions on drilling the wall hole for piping, including correct positioning and angle.

2-3. CONNECTING WIRES FOR INDOOR UNIT

Detailed procedure for connecting indoor unit wiring to the terminal block, including grounding.

2-4. PIPE FORMING AND DRAIN PIPING

2-4-1. PIPE FORMING

Steps for forming refrigerant pipes and connecting them, including using felt tape and extension pipes.

2-4-2. DRAIN PIPING

Guidelines for drain piping, ensuring downward slope, proper connections, and insulation.

3. OUTDOOR UNIT INSTALLATION

3-1. CONNECTING WIRES FOR OUTDOOR UNIT

Procedure for connecting power supply and indoor/outdoor connecting wires to the outdoor unit's terminal block.

3-2. FLARE CONNECTION

Detailed instructions on cutting, flaring, and tightening refrigerant pipes using specific torque values.

3-3. PIPE CONNECTION

Indoor unit connection

Steps for connecting refrigerant pipes to the indoor unit, including oil application and tightening.

Outdoor unit connection

Instructions for connecting refrigerant pipes to the outdoor unit's stop valve.

3-4. INSULATION AND TAPING

4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN

4-1. PURGING PROCEDURES AND LEAK TEST

Detailed steps for evacuating the system, leak testing, and ensuring proper refrigerant levels.

4-2. TEST RUN

Instructions for performing a test run of the unit, including using the emergency operation switch.

Checking the remote (infrared) signal reception

Procedure to verify that the remote controller signals are received correctly by the indoor unit.

4-3. AUTO RESTART FUNCTION

Explanation of the auto restart function and how it operates after power interruptions.

4-4. EXPLANATION TO THE USER

Guidance on explaining the unit's operation and features to the end-user.

5. RELOCATION AND MAINTENANCE

5-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY

Procedure for removing and reinstalling the front panel assembly of the indoor unit.

5-2. REMOVING THE INDOOR UNIT

Steps for safely detaching the indoor unit from its installation plate.

5-3. PUMPING DOWN

Method for safely recovering refrigerant from the system before relocating or disposing of the unit.

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