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37 

1  Insert the piping sleeve to the hole. 
2  Fix the bushing to the sleeve. 
3  Cut the sleeve until it extrudes about 15 mm 

from the wall. 

 

   

           

   When the wall is hollow, please be sure to use 
      the sleeve for tube assembly to prevent dangers 

  caused by mice biting the connection cable. 

 
4  Finish by sealing the sleeve with putty or 

caulking compound at the final stage. 

 
 

15 mm

Putty or caulking compound

ø70 mm through hole

Indoor

Outdoor

Sleeve for tube 
assembly

Approx. 5 - 7 mm

Bushing for tube 
assembly

Wall

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

38 

  

● Do not turn over the unit without it’s shock absorber during pull out the piping.

It may cause intake grille damage.

  

● Use shock absorber during pull out the piping to protect the intake grille from damage.

Piping

Intake grille

Shock absorber

Piping

pull out 

the p

ipin

g

pull o

ut th

e p

ipin

g

 

 

Install the Indoor Unit

Pull out the Indoor piping

Step-2

Secure the Indoor Unit

Insert the connection cable

Step-1

Step-3

Step-4

 

Install the Indoor Unit

Pull out the Indoor piping

Step-2

Insert the connection cable

Secure the Indoor Unit

Step-1

Step-3

Step-4

 

• Use a spring bender or equivalent to bend the piping so that the piping is not 
    crushed.

• When determining the dimensions of the piping, slide the unit all the way to the  
    left on the installation plate.
• Refer to the section “Cutting and flaring the piping”.

Bend the embedded piping

Cut and flare the embedded piping

Replace the drain hose

Pull the connection cable into Indoor Unit

• The inside and outside connection cable can be connected without removing 
  the front grille.

Step-1

Step-2

Step-3

Step-4

• Please refer to “Connecting the piping” column in outdoor unit section. 
    (Below  steps  are  done after connecting the outdoor piping and gas-leakage 
    confirmation.)

Connect the piping

• Please refer to “Insulation of piping connection” column as mentioned in
  indoor/outdoor unit installation.

Install the Indoor Unit

Secure the Indoor Unit

Insulate and finish the piping

Step-5

Step-6

Step-7

Step-8

 

Right Rear piping

How to keep the cover

In case of the cover is cut, keep the cover at the rear 
of chassis as shown in the illustration for future 
reinstallation.
(Left, right and 2 bottom covers for piping.)

Install the indoor unit

Hook the indoor unit onto the upper 
portion of installation plate. (Engage 
the indoor unit with the upper edge 
of the installation plate). Ensure the 
hooks are properly seated on the 
installation plate by moving it in left 
and right.

Secure the Indoor Unit

Right and Right Bottom piping

Insert the connection cable

Press the lower left and right side of the unit
against the installation plate until hooks
engages with their slot (sound click).

Cover for the 
bottom piping

Cover for the 
bottom piping

Tape it with piping in a 

position as mentioned in 

Fig. below.

Cover for 
the right 
piping

Piping

Drain 
hose

Cover for 
the left 
piping

Cover for 
the bottom 
piping

Tape it with piping in a 

position as mentioned in 

Fig. below.

Cover for the 
right piping

Piping

Drain hose

Cover for 
the left 
piping

Drain hose

Sleeve for 
piping hole

Indoor unit

Hooks at 
installation 
plate

Piping

Cover for piping

Guide 
surface

Connection 
cable

About 

70 – 80 mm

Connection cable

Gas side piping

Liquid side piping

Drain hose

Installation 
plate

Unit’s hook

To take out the unit, push the 

 marking at 

the bottom unit, and pull it slightly towards you to 
disengage the hooks from the unit.

g

n

i

k

r

a

m

 

 

 
(This can be used for left rear piping and bottom 
piping also.) 

39 

 

•

How to pull the piping and drain hose out, in case of the 
embedded piping.

 

•

In case of left piping how to insert the 
connection cable and drain hose.

Rear view for left piping installation

Adjust the piping slightly 
downwards.

Drain hose

Connection cable

Exchange the drain hose and 
the cap

(For the right piping, follow the same procedure)

Drain cap

Drain hose

 

PVC tube for 
drain hose

Indoor unit

55mm (1/2 ~ 1.75HP) or 

80mm (2.0 ~ 2.5HP)

Piping

Cable

Apply putty or 
caulking material 
to seal the wall 
opening.

Connection cable

Piping

More than 

470 mm

More than 950mm 

(1/2 ~ 1.75HP) or 

1150mm (2.0 ~ 2.5HP)

PVC tube (VP-65) for piping and 
connection cable

PVC tube for drain hose (VP-30)

PVC tube for 
drain hose (VP-20)

More than 700 mm

Drain hose 
from main unit

Cable

45°

Drain hose

Piping

Sleeve for piping hole

Drain hose

Piping

Connection cable

More than 950mm 
(1/2 ~ 1.75HP) or 
1150mm (2.0 ~ 2.5HP)

1  The inside and outside connection cable can be connected without removing the front grille. 
2  Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed  

4 x 1.5 mm

2

 flexible cord, type designation 60245 IEC 57 or heavier cord. Do not use joint connection cable. 

Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Allowable connection 
cable length of each indoor unit shall be 30 m or less. 

3  Bind all the indoor and outdoor connection cable with tape and route the connection cable via the 

escapement. 

4  Remove the tapes and connect the connection cable between indoor unit and outdoor unit according to the 

diagram below. 

 

 

Terminals on the outdoor unit

L

N

1

2

3

Colour of wires

Terminals on the indoor unit

1

2

3

 

 
 
 
 
 
 
 
 
 
 

40 

Recommended 
length (mm)

a

b

c

d

35 35 35 55

Recommended 

length (mm)

Tape

Connection cable

Indoor & outdoor 

Connection cable 

Escapement

Terminal 

Board

Earth Wire longer 
than others AC 
wires for safety 
reason

Outdoor unit

Indoor & outdoor 

Connection cable 

Holder

 

 

 This equipment must be properly earthed. 

 
Note: 

  Secure the connection cable onto the control board with the holder. 

  Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively. 

  Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason. 

 

JOINING 
OF WIRES 
MAY CAUSE 
OVERHEATING 
AND FIRE.

  Do not joint wires

OR

OR

  Use complete wire without joining.

  Use approved socket and plug with earth pin.

   Wire connection in this area must follow to national 

wiring rules.

Wire stripping

No loose strand 
when inserted

10 ± 1 mm

5 mm or more

Indoor/outdoor 
connection 
terminal board

(gap between wires)

Conductor 

fully inserted

Conductor over 

inserted

Conductor not 

fully inserted

ACCEPT

PROHIBITED

PROHIBITED

OR