Mitsubishi Electric JG79J380H13 User manual

JG79J380H13 Required Tools for Installation
Phillips screwdriver
Level
Scale
Utility knife or scissors
75 mm hole saw
Torque wrench
Wrench (or spanner)

Flare tool for R32, R410A
Gauge manifold for R32, R410A
Vacuum pump for R32, R410A
Charge hose for R32, R410A
Pipe cutter with reamer
ENGLISH
REFRIGERANT
SPLIT-TYPE AIR CONDITIONERS
INSTALLATION MANUAL
Model names are indicated in 1-3.
When installing multi units, refer to the
installation manual of the multi unit for

English is
original.
1. BEFORE INSTALLATION
MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT
WARNING






1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
 
 
 
 
WARNING 
■Do not install the unit by yourself (user).
 
-
sult the dealer from whom you purchased the unit or a

■Perform the installation securely referring to the
installation manual.
 

■When installing the unit, use appropriate protective
equipment and tools for safety.
 
■Install the unit securely in a place which can bear
the weight of the unit.
If the installation location cannot bear the weight of the

■Do not alter the unit.
 
■ 
experienced electrician, according to the installation
manual. Be sure to use an exclusive circuit. Do not
connect other electrical appliances to the circuit.
 


■Earth the unit correctly.
Do not connect the earth to a gas pipe, water pipe,
      

■ Do not damage the wires by applying excessive
pressure with parts or screws.
 
■ Be sure to cut off the main power in case of setting
up the indoor P.C. board or wiring works.
 
■ 

the terminal block connecting sections so the stress
of the wires is not applied to the sections. Do not
extend the wires, or use intermediate connection.
 
■ 
gas may leak.
If gas leaks and accumulates in the area around the

■Do not use intermediate connection of the power
cord or the extension cord and do not connect many
devices to one AC outlet.
 


■ 
for the installation work.
The use of defective parts could cause an injury or


■ When plugging the power supply plug into the
outlet, make sure that there is no dust, clogging,
or loose parts in both the outlet and the plug. Make
sure that the power supply plug is pushed com-
pletely into the outlet.
If there is dust, clogging, or loose parts on the power
supply plug or the outlet, it could cause electric shock or


■ Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
If the electrical cover of the indoor unit and/or the service
panel of the outdoor unit are not attached securely, it


■ When installing, relocating, or servicing the unit,
make sure that no substance other than the speci-

Any presence of foreign substance such as air can
-


       
case, this could lead to a serious impediment to securing

■ Do not discharge the refrigerant into the atmos-
phere. If refrigerant leaks during installation, ven-
tilate the room. Check that the refrigerant does not
leak after installation has been completed.
          
heating part of such a fan heater, kerosene heater, or
-

■ Use appropriate tools and piping materials for instal-
lation.
 
using appropriate tools or materials and incomplete

■ When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
If the refrigerant pipes are disconnected while the
compressor is running and the stop valve is open, air
could be drawn in and the pressure in the refrigeration


■ When installing the unit, securely connect the re-
frigerant pipes before starting the compressor.
If the compressor is started before the refrigerant pipes
are connected and when the stop valve is open, air could
be drawn in and the pressure in the refrigeration cycle
 

■ 
in this manual.
 

■ The unit shall be installed in accordance with na-
tional wiring regulations.
■ 
equipment, completely remove all of the refrigerant
from the air conditioner and ensure that the area is
well-ventilated.
 
heating part, it will create harmful gas and there is risk

■ Do not use means to accelerate the defrosting pro-
cess or to clean, other than those recommended by
the manufacturer.
■ The appliance shall be stored in a room without
continuously operating ignition sources (for exam-

operating electric heater).
■ Do not pierce or burn.
■ Be aware that refrigerants may not contain an odour.
■ Pipe-work shall be protected from physical damage.
■ The installation of pipe-work shall be kept to a
minimum.
■ Compliance with national gas regulations shall be
observed.
■ Keep any required ventilation openings clear of
obstruction.
■Do not install the indoor unit equipped with the Wi-Fi
interface nearby the automatic control devices such

 
■Do not use the indoor unit equipped with the Wi-Fi
interface nearby the medical electrical equipment
or people who have a medical device such as a
cardiac pacemaker or an implantable cardioverter-

It can cause an accident due to malfunctions of the

■This indoor unit equipped with the Wi-Fi interface
should be installed and operated with a minimum
distance of 20 cm between the device and the user
or bystanders.

1-2. SELECTING THE INSTALLATION LOCATION
1-3. SPECIFICATIONS
Model Power supply *1  
(thickness *3, *4) 
refrigerant charge *7
Indoor unit Outdoor unit Rated Voltage Frequency 
capacity Power supply *2 Indoor/outdoor connecting wire *2 Gas / Liquid
MSZ-AP60VG(K) MUZ-AP60VG
230 V 
16 A 3-core
 4-core



1350 g
MSZ-AP71VG(K) MUZ-AP71VG 20 A 3-core
 1800 g
Note:
When operating the air conditioner in low outside temperature, be sure to follow the

 

 

 


 
 
 
areas and factories, in which the properties of plastic could be changed and dam-

 
 
 
• Where there is emission of high levels of VOCs, including phthalate compounds,

 
 
 
 
 

 
 -


 


 
 
• Please ensure that the Router supports the WPA2-AES encryption setting before

•
The End user should read and accept the terms and conditions of the Wi-Fi service before

• This indoor unit equipped with the Wi-Fi interface should not be installed and connected

REMOTE CONTROLLER
 
 
 
controller are surely received by the indoor unit from that position (‘beep’ or ‘beep

Note:


OUTDOOR UNIT
 

 
 
 
• Where rigid wall or support is available to prevent the increase of operation sound or

 
 
 
air conditioner may interfere with radio or TV reception in areas where reception is

 
 

Note:
It is advisable to make a piping loop near outdoor unit so as to reduce vibration

Pipe length and height difference
 30 m
 15 m
 10
Refrigerant adjustment A *7 20 g/m
Insulation thickness *8, *9 8 mm
WARNING

below.
AP60: 1.9 m² or larger
AP71: 3.1 m² or larger
When the indoor unit is connected to the multi type outdoor unit of R32

As for the details, please refer to the Installation Service Manual for New
Refrigerant System.
INDOOR UNIT









Additional refrigerant = A × (pipe length (m) – 15)



CAUTION

■Install an earth leakage breaker depending on the
installation place.
If an earth leakage breaker is not installed, it could cause

■Perform the drainage/piping work securely ac-
cording to the installation manual.
If there is defect in the drainage/piping work, water could
drop from the unit, soaking and damaging household

■ 
the outdoor unit.
 
■Do not install the outdoor unit where small ani-
mals may live.
If small animals enter and touch the electric parts inside
the unit, it could cause a malfunction, smoke emission,


■ Do not operate the air conditioner during interior


 
        
cause volatile elements to adhere inside the air condi-

■ To prevent damage from static electricity, touch
a nearby metal body to discharge static electric-
ity from yourself before touching the indoor unit
equipped with the Wi-Fi interface.
Static electricity from the human body may damage the

■ Do not use the indoor unit equipped with the
Wi-Fi interface nearby other wireless devices,
microwaves, cordless phones, or facsimiles.
 

(G)
(E)
(C)
(4)
*4
*4
(D)
(F)
(1)
(2)
(B)
(K)
(A)
(I)
(5)
(3)
95
mm or
more/
151
mm or
more for left/left rear
piping (using spacer)
12 mm
or more
clear *2
100 mm
or more
100 mm
or more
350 mm
or more
200/500 mm *3
or more
(AP60/71)
*2 100/500 mm or more when front
and sides of unit are clear
(AP60/71)
1-4. INSTALLATION DIAGRAM
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

           



 
Note:
*1 Place indoor/outdoor unit connecting wire (A) and
power supply cord (K) at least 1 m away from the TV

After the leak test, apply insulating material tightly

(6) (I)
PARTS TO BE PROVIDED AT YOUR SITE
(A) Indoor/outdoor unit connecting wire*1 1
  1
(C) Wall hole sleeve 1
(D) Wall hole cover 1
(E)  2 to 5
(F)  2 to 5
(G) Piping tape 1
(H) Putty 1
(I)
Drain hose
(or soft PVC hose, 15 mm inner
diameter or hard PVC pipe VP16)
1 or 2
(J) Refrigeration oil 1
(K) Power supply cord*1 1
ACCESSORIES

<Indoor unit>
(1) Installation plate 1
(2) 
4 × 25 mm 7
(3) Wireless remote controller 1
(4) Felt tape
(For left or left-rear piping) 1
(5)  2
<Outdoor unit>
(6) Drain socket 1
*3 When any 2 sides of left, right and rear of unit are clear
*4 The manufacturing year and month is indicated on the

IMPORTANT NOTES


shall also take into account the effects of aging or continual vibration from

Note:




the installation place to ensure to prevent the outdoor unit and/or the grounds

Drain piping for outdoor unit
• Provide drain piping before indoor and outdoor pip-



• Make sure to provide drain piping with a downhill


to prevent indoor/outdoor connect-
ing wire (A) from contacting metal
parts in the wall and to prevent
damage by rodents in case the

Indoor unit
Wall hole
sleeve (C)
Cut off the
 
Wall hole cover (D)

Seal the wall hole





Air inlet
Air outlet
Outdoor unit installation
(AP60/71)
40 mm
2-10 mm × 21 mm slot
800/840 mm
150/175
mm
500 mm

285/330 mm
304-325/
349-371 mm
Air inlet
WARNING


149
mm
or more
140
mm
or more

2-1. FIXING OF INSTALLATION PLATE
 -

 


• When the knockout is removed, apply vinyl tape to the knockout edges to prevent damag-

 

 
2-2. WALL HOLE DRILLING

        


2-3. CONNECTING WIRES FOR INDOOR UNIT



3) Pass indoor/outdoor unit connecting wire (A) from the back of the indoor unit and process

-







2-4. PIPE FORMING AND DRAIN PIPING
Pipe Forming
 
 
 
• When the drain hose passes the room, be sure to wrap insula-

2. INDOOR UNIT INSTALLATION
Rear, right, or downward piping
1) Put the refrigerant piping and the drain hose togeth-

2) Insert the piping and the drain hose into the wall
hole sleeve (C), and hook the upper part of the

3) Check if the indoor unit is hooked securely on the installation plate (1) by moving the


Drain Piping
 -

 
• If the drain hose provided with the indoor unit is too short, connect it with drain hose (I)

• When connecting the drain hose to the hard vinyl chloride pipe, be sure to insert it securely


Do not raise Accumulated
drain water
Air
Waving
Water
leakage
Water
leakage
Water
leakage
Tip of drain
hose dipped
in water
Ditch
At least
50 mm
gap
Downward
slope
Drain
hose
Soft hose

Drain hose
Hard vinyl chloride

Insert
securely
Different
diameter joint
70 cm
or more
  
       

 
(More than 60 mm)
 


 -
spondent terminal when securing the cord

Note: Do not place the wires between the
      
Damaged wire could cause heat genera-

Wall
Outdoor
side
ø75 mm 5-7 mm
Indoor terminal block
Indoor/outdoor
unit connecting
wire (A)
Outdoor terminal block
Earth wire
(green/yellow)
S1 S2 S3
S1 S2 S3
Felt tape (4)
Piping tape (G) Cut off in case of

Drain cap
Drain cap
Drain hose
Drain cap
Drain hose





1) Put the refrigerant piping and the drain hose together,

 



 



• Hold the claw marked by the arrows and pull out the

4) Put the drain cap into the section to which the drain hose

• Insert not sharp-edged tools such as screwdrivers into
the hole at the end of the cap and insert the cap fully

5) Insert the drain hose fully into the drain pan at the rear

• Check if the hose is hooked securely to the projection

6) Insert the drain hose into wall hole sleeve (C), and hook
         
Then, move the indoor unit completely to the left in order
to make placing the piping in the back space of the unit


it up, hook it onto the back rib, and use it as a spacer to

 

9) Thrust the lower part of the indoor unit into the installation

Left or left-rear piping
Note:
      
and the drain cap in case of left or

Otherwise, it could cause drops of
water to drip down from the drain

Liquid pipe
Gas pipe
Felt tape (4)
Indoor/outdoor unit
connecting wire (A)
Piping tape (G)
Cut off in case of

Cut off in case of

Level
Installation plate (1)
Center of
ø75 mm hole
140 mm
or more
149 mm
or more
95 mm or more/
151 mm or more for left/left rear
piping (using spacer)
Ceiling
Wall Wall


Insert
the

Align the
scale with

100 mm

VA clamp
Lead wire
15 mm
35 mm
Terminal block
Indoor/outdoor unit
connecting wire (A)

 Copper pipe
Spare reamer
Pipe cutter
3-2. FLARING WORK

2) Completely remove all burrs from the cut cross section

• Put the end of the copper pipe to downward direction
as you remove burrs in order to avoid to let burrs drop







5) Check
 
 -

3-3. PIPE CONNECTION
 
 

 

Indoor unit connection

 


 
• Use tightening torque table above as a guideline for indoor unit side union joint section,

Pipe diameter
(mm)
Nut
(mm)
A (mm) Tightening torque
Clutch
type tool
for R32,
R410A
Clutch
type tool
for R22
Wing nut
type tool
for R22
N•m kgf•cm
 17
 



140 to
180
 22 

350 to
420
 26



500 to
575
 29 

750 to
800
Copper
pipe
Good

No good


Clutch type
Flaring tool

Smooth all
around
Even length
all around
Inside is shin-
ing without any

Flare nut
Die
 
3. OUTDOOR UNIT INSTALLATION
Copper pipe
Wing nut type
WARNING
When installing the unit, securely connect the refriger-
ant pipes before starting the compressor.
3-1. CONNECTING WIRES FOR OUTDOOR UNIT

2) Loosen terminal screw, and connect indoor/outdoor unit connecting wire (A) from

the wire to the terminal block securely so that no part of its core is appeared, and no




5)


 
 
 

35 mm
15 mm
Lead wire
Power supply cord (K)
Outdoor unit connection
Connect pipes to stop valve pipe joint of the outdoor unit in

• For tightening, use a torque wrench or spanner and use

3-4. INSULATION AND TAPING



 
• When piping have to be arranged through above ceiling, closet or where the
temperature and humidity are high, wind additional commercially sold insulation to

Terminal block
Terminal block
Cord clamp
Cord clamp
Power supply cord (K)
Power supply cord (K)
Indoor/outdoor unit
connecting wire (A)
Indoor/outdoor unit
connecting wire (A)


Insert the end of the cable

<AP60>
<AP71>

4-1. PURGING PROCEDURES AND LEAK TEST


2) Connect gauge manifold valve and vacuum pump to service port of stop valve on the gas

4-2. TEST RUN
1) Insert power supply plug into the power outlet and/or turn on the








4) Checking the remote (infrared) signal reception
• Press the OFF/ON button on the remote controller (3) and


• Once the compressor stops, the restart preventive device
operates so the compressor will not operate for 3 minutes to

Stop valve for
GAS
Stop valve cap


to 300 kgf•cm)
Vacuum pump (or the vacuum
pump with the function to

Gauge manifold valve
(for R32, R410A)
Compound pressure gauge
(for R32, R410A)
–
(–760 mmHg)
Handle
Low Handle High
Adapter for
preventing the

Charge hose
(for R32, R410A)
*Close
*Open

Precautions when using the control valve When attaching the control valve
to the service port, valve core may


Service port

Close
<R32>
Open
Control
valve
A
When attaching the control valve to
the service port, make sure that the
valve core is in closed position, and
     
part A or turn the body when valve

Service port cap

140 to
180 kgf•cm)
*4 to 5 turns

4) Check the vacuum with gauge manifold valve, then close gauge manifold valve, and stop





Stop valve
for LIQUID
Caution:
 


To the user
 
             

4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
Pressure gauge
(for R32, R410A)
Emergency operation

Charge
hose
Make sure to re-
place the cap after

4-4. EXPLANATION TO THE USER
 


 
WARNING

risks before opening the stop valves.
7) After refrigerant pipes are connected and evacuated, fully open all stop valves on both






10) Leak test
4-3. AUTO RESTART FUNCTION

during operation, such as during blackouts, the function automatically starts operation in



6-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY 6-3. PUMPING DOWN
When relocating or disposing of the air conditioner, pump down the system following the

1) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe


3) Close the stop valve on the gas pipe side of the outdoor unit almost completely so that it


To start the emergency operation in COOL mode, disconnect the power supply plug and/



5) Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure


 -

6. RELOCATION AND MAINTENANCE
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. CONNECTION SETUP OF THE Wi-Fi INTERFACE (VGK type only)


6-2. REMOVING THE INDOOR UNIT
Remove the bottom of the indoor unit from the installation

When releasing the corner part, release both left and right
bottom corner part of indoor unit and pull it downward and

If the above method cannot be used

-

Installation procedure
1) Install the panel assembly following the removal


arrows in order to attach the assembly completely

Push Lower
Square hole
Removal procedure







6) Hold the lower part of both ends of the panel and pull it slightly toward you, and

The lower part of both
ends of the panel
2
2
3
4
55
4
4
3
44
4
A part : lower part of air
outlet of the panel
*Do not hold the A part when installing/removing or

66

This product is designed and intended for use in the residential, commercial


TOKYO 100-8310, JAPAN