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1.

Indoor unit.

The indoor unit should be sited in a place where:

1) the restrictions on installation specified in the indoor unit installation drawings are met,
2) both air intake and exhaust have clear paths met,
3) the unit is not in the path of direct sunlight,
4) the unit is away from the source of heat or steam,
5) there is no source of machine oil vapour (this may shorten indoor unit life),
6) cool (warm) air is circulated throughout the room,
7) the unit is away from electronic ignition type fluorescent lamps (inverter or rapid start type) as they may shorten 

the remote controller range,

8) the unit is at least 3.5ft (1m) away from any television or radio set (unit may cause interference with the picture or sound),
9) install at the recommended height (6ft (1.8m)).

2.

Wireless remote controller.

1) Turn on all the fluorescent lamps in the room, if any, and find the site where remote controller signals are 

properly received by the indoor unit (within 23ft (7m)).

• Before choosing the installation site, obtain user approval.

A

B

C

D

E

F

G

H

J

K

M

1

1

1

9

2

1

3

1

2

3

3

Mounting plate

Titanium Apatite Photocatalytic
Air-Purifying Filter

Wireless remote controller

Remote controller holder

Dry batteries AAA. LR03 
(alkaline)

Fixing screws for remote controller 
holder 1/8” × 13/16”L (M3 × 20L)

Operation manual

Screw cover

L

Installation manual

Mounting plate fixing screws 
3/16” × 1”L (M4 × 25L)

Tube

1

Indoor unit fixing screws
3/16” × 1/2”L (M4 × 12L)

Accessories

Choosing an Installation Site

Safety Precautions

WARNING

• During pump-down, stop the compressor before removing the refrigerant piping. 

If the compressor is still running and the stop valve is open during pump-down, air will be sucked in when the refrigerant piping is removed, 
causing abnormally high pressure which could lead to equipment damage or and personal injury.

• When installing or relocating the system, be sure to keep the refrigerant circuit free from all substances other than the specified refrigerant (R410A), such as air. 

(Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise which may result in rupture, resulting in injury.)

• After connecting all wiring be sure to shape the cables so that they do not put undue stress on the electrical covers, panels or terminals. 

Install covers over the wires. Incomplete cover installation may cause terminal overheating, electrical shock,fire or equipment damage.

• During installation, attach the refrigerant piping securely before running the compressor. 

If the compressor is not attached and the stop valve is open during pump-down, air will be sucked in when the compressor is run, causing 
abnormally high pressure which could lead to equipment damage and personal injury.

• Be sure to install a ground fault circuit interrupter breaker. 

Failure to install a ground fault circuit interrupter breaker may result in electrically shocks, or fire personal injury.

CAUTION

• Do not install the air conditioner where gas leakage would be exposed to open flames.  

If the gas leaks and builds up around the unit, it may catch fire.

• Establish drain piping according to the instructions of this manual.  

Inadequate piping may cause water damage.

• Tighten the flare nut according to the specified torque. A torque wrench should be used. 

If the flare nut is tightened too much, the flare nut may crack over time and cause refrigerant leakage. 

• Do not touch the heat exchanger fins. 

Improper handling may result in injury.

• Be very careful about product transportation. 

Some products use PP bands for packaging. Do not use any PP bands for a means of transportation. It is dangerous.

Summary of Contents for M08B128

Page 1: ...stabs or other injuries Tear apart and throw away plastic packaging bags so that children will not play with them Children playing with plastic bags face the danger of death by suffocation Do not ins...

Page 2: ...ping is removed causing abnormally high pressure which could lead to equipment damage or and personal injury When installing or relocating the system be sure to keep the refrigerant circuit free from...

Page 3: ...w to remove the indoor unit Push up the marked area at the lower part of the front grille to release the claws If it is difficult to release remove the front grille Opening service lid Service lid is...

Page 4: ...ddresses 1 In the same way as when connecting to an HA system remove the metal plate electrical wiring cover 2 Cut the address jumper JA on the printed circuit board 3 Cut the address jumper J4 in the...

Page 5: ...nter unit wiring Refer to 4 Wiring 6 Press the bottom frame of the indoor unit with both hands to set it on the mounting plate hooks Make sure that the wires do not catch on the edge of the indoor uni...

Page 6: ...he conduit mounting plate 2 Insert the wires including the ground wire into J tube 3 Strip wire ends 9 16 inch 15mm 4 Match wire colors with terminal numbers on indoor and outdoor unit s terminal bloc...

Page 7: ...Flare the pipe 5 Check that the flaring is properly made 1 Do not use mineral oil on flared part 2 Prevent mineral oil from getting into the system as this would reduce the lifetime of the units 3 Nev...

Page 8: ...eration mode cooling and heating 2 Press the ON OFF button to turn on the system 3 Press the both of TEMP button and the MODE button at the same time 4 Press the MODE button twice will be displayed an...

Page 9: ...are thermally insulated Fall vibration noise Water leakage Water leakage System is properly ground to earth Electrical leakage Indoor unit properly receives remote controller commands Inoperative Indo...

Page 10: ...3P228446 2B M08B128...

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