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Indoor Unit Installation Drawings

Intelligent-eye Sensor

1) Do not hit or violently push the intelligent-eye sensor. This can lead to damage and malfunction.
2) Do not place large objects near the sensor. Also keep heating units or humidifiers outside the 

sensor’s detection area.

CAUTION

1) Insert the tool into the groove of the 

front grille fixture.

How to remove front grille fixture

2) Turn the tool 90˚ in the direction of 

the arrow.

3) Take out the front grille fixture.

1-3/16” (30mm) or more 
from ceiling

Wrap the insulation pipe with 
the finishing tape from bottom 
to top.

Cut thermal insulation 
pipe to an appropriate 
length and wrap it with 
tape, making sure that no 
gap is left in the insulation 
pipe’s cut line.

Caulk 
pipe hole 
gap 
with putty. 

C Titanium Apatite Photocatalytic 

Air-Purifying Filter (3)

How to attach the indoor unit.

Hook the claws of the bottom frame 
to the mounting plate. 
If the claws are difficult to hook, 
remove the front grille.

How 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 opening/closing type.

Opening method

1) Remove the service lid screws.
2) Pull out the service lid diagonally 

down in the direction of the arrow.

3) Pull down.

Air filters

Front 

grille

A Mounting

plate

Clip

Bottom frame

Mark (rear side)

A

Mounting plate

Mounting plate fixing 
screws 3/16” × 1”L (M4 × 25L) (9)

B

The mounting plate 
should be installed on a 
wall which can support the 
weight of the indoor unit.

Intelligent-eye sensor

1-15/16” (50mm) or 
more from walls 
(on both sides)

Front panel

3/16” × 5/8”L

(M4 × 16L)

3/16” × 5/8”L 
(M4 × 16L)

3/16” × 5/8”L

(M4 × 16L)

Service lid

Front grille fixture

Wireless 
remote 
controller

D

 E  
Remote 
controller holder

Before screwing the remote 
controller holder to the wall, 
make sure that control 
signals are properly 
received by indoor unit.

Fixing screws for 
remote controller holder 
1/8” × 13/16”L 
(M3 × 20L) (2)

F

Titanium Apatite Photocatalytic 
Air-Purifying Filter

Filter frame

Air filter

Tab

Bottom of indoor unit

Front grille fixture

Screw cover

M

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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