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 CAUTION

• 

Install drain piping according to this installation manual to 
ensure good drainage, and insulate the piping to prevent 
condensation. 
Improper drain piping may cause water leakage, make the 
furniture get wet.

• 

Install the air conditioner, power supply wiring, remote 
controller wiring and transmission wiring at least 1 meter 
away from televisions or radios to prevent image interference 
or noise. 
(Depending on the radio waves, a distance of 1 meter may 
not be sufficient to eliminate the noise.)

• 

Install the indoor unit as far as possible from fluorescent 
lamps. 
If a wireless remote controller kit is installed, the transmission 
distance may be shorter in a room where an electronic lighting 
type (inverter or rapid start type) fluorescent lamp is installed.

• 

Do not install the air conditioner in places such as the 
following:
1.  Where there is mist of oil, oil spray or vapour for example 

a kitchen. 
Resin parts may deteriorate, and cause them to fall out 
or water to leak.

2.  Where corrosive gas, such as sulfurous acid gas, is 

produced. 
Corrosion of copper pipings or brazed parts may cause 
the refrigerant to leak.

3.  Where there is machinery which emits electromagnetic 

waves. 
Electromagnetic waves may disturb the control system, 
and cause malfunction of the equipment.

4.  Where flammable gases may leak, where carbon fibre 

or ignitable dust is suspended in the air or where volatile 

flammables, such as thinner or gasoline, are handled.

 

If the gas should leak and remained around the air con-
ditioner, it may cause ignition.

• 

The air conditioner is not intended for use in a potentially 
explosive atmosphere.

2.  BEFORE INSTALLATION

When unpacking the indoor unit or moving the unit after 

unpacked, hold the hangers (4 places) and do not apply 

force to other parts (particularly refrigerant piping, drain 

piping and resin parts).

• 

Make sure to check in advance that the refrigerant to be 
used for installation work is R410A. 
(The air conditioner will not properly operate if a wrong 
refrigerant is used.)

• 

For installation of the outdoor unit, refer to the installation 
manual attached to the outdoor unit.

• 

Do not throw away the accessories until the installation work 
is completed.

• 

After the indoor unit is carried into the room, to avoid the 
indoor unit from getting damaged, take measures to protect 
the indoor unit with packing materials.
(1)  Determine the route to carry the unit into the room.
(2)  Do not unpack the unit until it is carried to the installa-

tion location. 
Where unpacking is unavoidable, use a sling of soft 
material or protective plates together with a rope when 
lifting, to avoid damage or scratches to the indoor unit.

• 

Have the customer actually operate the air conditioner while 
looking at the operation manual. 
Instruct the customer how to operate the air conditioner 
(particularly cleaning of the air filters, operation pro cedures, 
and temperature adjustment).

• 

For selection of installation location, use the installation 
pattern paper as reference.

• 

Do not use the air conditioner where in the salty atmosphere 
such as coastal areas, vehicles, vessels or the voltage 
fluctuation is frequent such as factories.

• 

Take off static electricity from the body when carrying out 
wiring and the control box lid is removed. 
The electric parts may be damaged.

2-1  ACCESSORIES

Check if the following accessories are attached to the 

indoor unit.

Name (1) Drain hose

(2) Metal 

clamp

(3) Washer for 

hanger

(4) Clamp

Quantity

1 pc.

1 pc.

8 pcs.

7 pcs.

Shape

Name

(5) Installation 

pattern paper 

(6) Screw 

(M4)

(7) Washer 

clamp

Joint insulating  

material

Quantity

1 sheet

4 pcs.

4 pcs.

1 each

Shape

(8) For gas 

piping

(9) For liquid 

piping

Name

Sealing material

Quantity

1 each

1 sheet

1 pc.

Shape

(10) Large

(11) Medium-1

(12) Medium-2

(13) Small

(14)

Name

(15) Installation guide

(Miscellaneous)

• 

Operation manual

• 

Installation manual

Quantity

1 sheet

Shape

• 

Screws for fixing the panel are attached to the decoration 
panel.

3P335596-2D        English 

2

Summary of Contents for FXFQ25SVM

Page 1: ...ensing FXFQ25SVM FXFQ63SVM FXFQ32SVM FXFQ80SVM FXFQ40SVM FXFQ100SVM FXFQ50SVM FXFQ125SVM INSTALLATION MANUAL CAREFULLY READ THESE INSTRUCTIONS BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR...

Page 2: ...h may result in the air conditioner falling down and causing injury In addition it may lead to vibration of indoor units and cause unpleasant chattering noise Carry out the specified installation work...

Page 3: ...ance that the refrigerant to be used for installation work is R410A The air conditioner will not properly operate if a wrong refrigerant is used For installation of the outdoor unit refer to the insta...

Page 4: ...ing operation and the warm air discharge during the heating operation Does the indoor unit makes unpleasant sound of air discharge Have you explained how to operate the air conditioner showing the ope...

Page 5: ...perature heat generating equipment is in stalled Each sensor has been set so that the center of the sensing area is located in the center of the product 800 mm above the floor in case of the infrared...

Page 6: ...to reinforce the ceiling framework to keep the level of the ceiling and prevent vibration of the ceiling For details consult with the builder and interior designer 3 Install the hanging bolts Use M8...

Page 7: ...n piping side gets high it may cause malfunction of a float switch and results in water leakage Attach nuts on the upper and lower side of hanger If there is no upper nut and the lower nut is over tig...

Page 8: ...rench use Table 3 as a rule of thumb When tightening a flare nut with a spanner harder and harder there is a point where the tightening torque sud denly increases From that position tighten the nut ad...

Page 9: ...nitrogen flow through the piping is approximately 0 02 MPa a pressure that makes one feel like breeze and can be obtained through a pres sure reducing valve 2 Do not use flux when brazing refrigerant...

Page 10: ...the tip of the metal clamp 2 inward as shown Refer to Fig 16 In case of sticking vinyl tape Tightened part approx 90 Stick vinyl tape without tearing the sealing material Large 10 Vinyl tape In case...

Page 11: ...ng the drainage of water refer to Fig 20 and attach the sealing material 14 to perform the thermal insulation of the drain socket Sealing material 14 accessory Fig 20 When the electric wiring work is...

Page 12: ...nit always wiring the indoor unit to the terminal indicated with the same symbol on the terminal block If the wiring and the piping are connected to the different indoor units and operated it will res...

Page 13: ...ning cannot be car ried out If a terminal is over tightened it may be damaged Refer to the table shown below for tightening torque of terminals Tightening torque N m Terminal block for remote controll...

Page 14: ...supply wiring high voltage R10 or more R10 or more Strand the wirings after sheath is peeled off After the wirings are clamped cut off the extra part After the wirings are clamped cut off the extra pa...

Page 15: ...L Remote controller option Remote controller option Remote controller option L N L N L N P1P2 F1 F2 T1 T2 P1P2 P1P2 F1 F2 T1 T2 P1P2 P1P2 F1 F2 T1 T2 P1P2 No 2 system When carrying out group control o...

Page 16: ...ore 9 MOUNTING DECORATION PANEL CAUTION In case of a wireless remote controller unless the decoration panel is mounted field setting and test opera tion cannot be carried out Refer to the installation...

Page 17: ...cleaning indication is not necessary such as the case of periodical clean ing being carried out TEST OPERATION After cleaning the indoor unit inside carry out test operation according to installation...

Page 18: ......

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Page 20: ...1310 FS 3P335596 2D EM13A007...

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