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1-3. SELECTING OPTIONAL DIFFERENT-DIAMETER JOINTS

If the diameter of connection pipe does not match the port size of outdoor unit, use optional different-diameter joints according to the following table.

Port size of outdoor unit

Optional different-diameter joints (port size of outdoor unit 

 diameter of connection pipe)

MXZ-6E120

Liquid / Gas

6.35 (1/4) 

 9.52 (3/8) : PAC-493PI

9.52 (3/8) 

 12.7 (1/2) : MAC-A454JP-E

9.52 (3/8) 

 15.88 (5/8) : PAC-SG76RJ-E

12.7 (1/2) 

 9.52 (3/8) : MAC-A455JP-E

12.7 (1/2) 

 15.88 (5/8) : MAC-A456JP-E

Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit.

A UNIT

6.35 (1/4) / 12.7 (1/2)

B - F UNIT

6.35 (1/4) / 9.52 (3/8)

1-4. SELECTING THE INSTALLATION LOCATION

•  Where it is not exposed to strong wind.

•  Where airflow is good and dustless.

•  Where rain or direct sunshine can be avoided as much as possible.
•  Where neighbours are not annoyed by operation sound or hot air.
•  Where rigid wall or support is available to prevent the increase of opera-

tion sound or vibration.

•  Where there is no risk of combustible gas leakage.
•  When installing the unit, be sure to secure the unit legs.
•  Where it is at least 3 m away from the antenna of TV set or radio. Opera-

tion of the air conditioner may interfere with radio or TV reception in areas 

where reception is weak. An amplifier may be required for the affected 

device.

•  Install the unit horizontally.
•  Please install it in an area not affected by snowfall or blowing snow. In 

areas with heavy snow, please install a canopy, a pedestal and/or some 

baffle boards.

Note:

It is advisable to make a piping loop near outdoor unit so as to reduce 
vibration transmitted from there.

Note: 

When operating the air conditioner in low outside temperature, be sure 
to follow the instructions described below.
•  Never install the outdoor unit in a place where its air inlet/outlet side 

may be exposed directly to wind.

•  To prevent exposure to wind, install the outdoor unit with its air inlet 

side facing the wall.

• 

To prevent exposure to wind, it is recommended to install a baffle board 

on the air outlet side of the outdoor unit.

Avoid the following places for installation where air conditioner trouble 
is liable to occur.

•  Where flammable gas could leak.

•  Where there is much machine oil.
•  Salty places such as the seaside.

•  Where sulfide gas is generated such as hot spring, sewage, waste 

water.

•  Where there is high-frequency or wireless equipment.
•  Where there is emission of high levels of VOCs, including phthalate 

compounds, formaldehyde, etc., which may cause chemical cracking.

(Unit: mm (inch))

3. 

Obstacles in front (blowing) only

When there is an obstacle in front of 

the unit as shown in the figure, open 

space above, behind, and on the sides 
of the unit is required.

2. 

Front (blowing) side open

As long as space indicated 
in the figure is provided, it 
is allowed to install the unit 
where obstacles are behind 
and on the sides of the unit. 
(No obstacle above the unit)

FREE SPACE REQUIRED AROUND OUTDOOR UNIT

500 or more

200 or more

350 or more

100 or more

1. 

Obstacles above

When there is no obstacle in front and 
on the sides of the unit, it is allowed 
to install the unit where an obstacle is 
above the unit only if the space shown 

in the figure is provided.

100 or more

500 or more

100 or more

Service space

350 or more 

350 or more

6. 

Service space

Provide space for service and maintenance as shown in the figure.

500 or more

100 or more

•  When installing the unit in an area that is enclosed with walls such 

as a verandah, be sure to have enough space as shown below. 

  In this case, the air conditioning capacity and power consumption 

might deteriorate.

•  When there is a lack of airflow or there is a possibility of becoming 

short cycle, install an outlet guide and make sure there is enough 
space behind of the unit.

•  When installing two or more units, do not install the units in front or 

behind each other.

100 or more

200 or more

350 or more

500 or more

500 or more

(Unit: mm)

5. 

Obstacles in front, behind and on side(s)

4. 

Obstacles in front and behind

The unit can be used by at-
taching an optional outdoor 
blowing guide (PAC-
SH96SG-E) (but both sides 
and top are open).

100 or more

500 or more

Blowing guide (PAC-SH96SG-E)

Height of the obstacle is 1200 or less

Содержание MXZ-6E120VAD2

Страница 1: ... Air Conditioner MXZ 6E120VAD2 English Installation Manual For INSTALLER This manual only describes the installation of outdoor unit When installing the indoor unit refer to the installation manual of indoor unit ...

Страница 2: ...e intermediate connection Incomplete connecting and securing could cause fire n Do not install the unit in a place where inflammable gas may leak If gas leaks and accumulates in the area around the unit it could cause an explosion n Do not use intermediate connection of the power cord or the extension cord and do not connect many devices to one AC outlet It could cause a fire or an electric shock ...

Страница 3: ...ecommended to install a baffle board on the air outlet side of the outdoor unit Avoid the following places for installation where air conditioner trouble is liable to occur Where flammable gas could leak Where there is much machine oil Salty places such as the seaside Where sulfide gas is generated such as hot spring sewage waste water Where there is high frequency or wireless equipment Where ther...

Страница 4: ...lt M10 370 mm 417 mm 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 wall and the piping or wrap 7 to 8 turns of insula tion vinyl tape around the piping To use existing piping perform COOL operation for 30 minutes and pump down before removing the old air conditioner Remake flare according...

Страница 5: ...e sure to fix both cable and wire with cable clamps Connecting order Connect the terminal block in following order A B C D E F P DR Terminal block for indoor outdoor unit Cable clamps 600 370 Service panel Screws Note Removing the handle increases the effectiveness of the wiring operation Be sure to reinstall the handle 2 OUTDOOR UNIT INSTALLATION Terminal block for DRED Interface DRED Interface P...

Страница 6: ...ith Fig 6 If flare is noted to be defective cut off the flared section and do flaring work again WARNING When installing the unit securely connect the refrigerant pipes before starting the compressor CAUTION When there are the ports which are not used make sure their nuts are tightened securely 4 1 PURGING PROCEDURES AND LEAK TEST 1 Remove service port cap of stop valve on the side of the outdoor ...

Страница 7: ...eration mode 1 Be sure to turn off the main power for the air conditioner before making the setting 2 Set the 3 of SW1 on the outdoor controller board to ON to enable this function 3 To lock the operation mode in COOL DRY mode set the 4 of SW1 on the outdoor controller board to OFF To lock the operation in HEAT mode set the same switch to ON 4 Turn on the main power for the air conditioner Descrip...

Страница 8: ...event electronic control P C board damage make sure to perform static elimination before operating this function This function does not operate when the outside temperature is 0 C or below LED indication during detection LED1 Red LED2 Yellow LED3 Green Lit Lit Once Result of piping wiring correction function LED1 Red LED2 Yellow LED3 Green Result Lit Not lit Lit Completed Problem corrected or norm...

Страница 9: ...blank indd 15 2017 10 31 10 24 48 ...

Страница 10: ...blank indd 16 2017 10 31 10 24 48 ...

Страница 11: ...blank indd 17 2017 10 31 10 24 48 ...

Страница 12: ...VH79B003H01 HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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