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4

English

[ PRECAUTION ]

If installing the wireless kit in a room with electronic fluores-
cent lighting (inverter or rapid start type), the remote con-
troller’s transmission distance may be shortened. Indoor 
units should be installed as far away from fluorescent light-
ing as possible.

(2) Ceiling height 

These units can be installed with ceilings up to 3 m in 
height.
Install this unit where the height of bottom panel is more 
than 2.5 m so that the user cannot easily touch.

(3) Use suspension bolts for installation. Check whether 

the ceiling is strong enough to support the weight of 
the unit or not. If there is a risk, reinforce the ceiling 
before installing the unit.

(Installation pitch is marked on the paper pattern for instal-
lation. Refer to it to check for points requiring reinforcing.)

4.

PREPARATIONS BEFORE INSTALLATION

(1) Relation of ceiling opening to units and suspension 

bolt position

(2) Make the ceiling opening needed for installation, where 

applicable.

• Refer to the paper pattern for installation for ceiling open-

ing dimension.

• Create the ceiling opening required for installation. From 

the side of the opening to the casing outlet, implement 
the refrigerant and drain piping and wiring for remote con-
troller (unnecessary for wireless type) and indoor-out-
door unit casing outlet. Refer to each PIPING or WIRING 
section.

• After making an opening in the ceiling, it may be neces-

sary to reinforce ceiling beams to keep the ceiling level 
and to prevent it from vibrating. Consult the builder for 
details.

(3) Install the suspension bolts. (Use either a W3/8 or M10 

size bolt.) 

Use a hole-in-anchor for existing ceilings, and a sunken 
insert, sunken anchor or other part to be procured in the 
field for new ceilings to reinforce the ceiling to bearing the 
weight of the unit. Adjust clearance from the ceiling before 
proceeding further.

5.

INDOOR UNIT INSTALLATION



Installing optional accessories (except for the decoration 

panel) before installing the indoor unit is easier. However, 
for existing ceilings, install branch duct before installing 
the unit.



As for the parts to be used for installation work, be sure to use 
the provided accessories and specified parts designated by our 
company.

(1) Install the indoor unit temporarily.

• Attach the hanger bracket to the suspension bolt. Be sure 

to fix it securely by using a nut and washer from the upper 
and lower sides of the hanger bracket. The washer fixing 
plate will prevent the washer from falling.

350

1500

1500

1000

[ Space required for installation ]

100

100

(length:mm)

2500 or more

For installation

in high places

       

Decoration 
panel

Ceiling opening

Indoor unit

Suspension bolt 
(× 4)

D (Panel outside dimensions)

A (Ceiling opening)

B (Suspension pitch)

C (Unit outside dimensions)

20

20

20

20

680 (Panel outside dimensions)

640 (Ceiling opening)

600 (Unit outside dimensions)

520 (Suspension pitch)

(length:mm)

Model

A (mm)

B (mm)

C (mm)

D (mm)

FXCQ20 · 25 · 32MVE

990

820

775

1030

FXCQ40 · 50MVE

1205

1035

990

1245

FXCQ63MVE

1390

1220

1175

1430

FXCQ80 · 125MVE

1880

1710

1665

1920

160

[ Relative positioning of ceiling and unit ]

Hanger

Ceiling surface

(length:mm)

100mm

[ Installation example ]

Ceiling slab

Anchor

Long nut or turn-buckle

Suspension bolt

False ceiling

Note: All the above parts are 

fi

eld supplied.

01_EN_3P258319-5K.fm  Page 4  Thursday, October 15, 2015  11:03 AM

Summary of Contents for FXCQ125MVE

Page 1: ...ORTER ULTÉRI EUREMENT LEA DETENIDAMENTE ESTAS INSTRUCCIONES ANTES DE LA INSTALACIÓN CONSERVE ESTE MANUAL PARA POSIBLES CONSULTAS FUTURAS PRIMA DELL INSTALLAZIONE LEGGERE ATTENTAMENTE LE PRESENTI ISTRUZIONI CONSERVARE IL PRESENTE MANUALE IN UN LUOGO FACILMENTE ACCESSIBILE PER RIFERIMENTO FUTURO ΔΙΑΒΑΣΤΕ ΠΡΟΣΕΚΤΙΚΑ ΑΥΤΕΣ ΤΙΣ ΟΔΗΓΙΕΣ ΠΡΙΝ ΤΗΝ ΕΓΚΑΤΑΣΤΑΣΗ ΦΥΛΑΞΤΕ ΑΥΤΟ ΤΟ ΕΓΧΕΙΡΙΔΙΟ ΣΕ ΒΟΛΙΚΟ ΜΕΡΟΣ ΓΙΑ...

Page 2: ...E FXHQ63MVE FXHQ100MVE FXSQ20MVE FXSQ25MVE FXSQ32MVE FXSQ40MVE FXSQ50MVE FXSQ63MVE FXSQ80MVE FXSQ100MVE FXSQ125MVE FXKQ25MVE FXKQ32MVE FXKQ40MVE FXKQ63MVE FXAQ20MVE FXAQ25MVE FXAQ32MVE FXAQ40MVE FXAQ50MVE FXAQ63MVE FXUQ71MV1 FXUQ100MV1 FXUQ125MV1 BEVQ71MVE BEVQ100MVE BEVQ125MVE FXMQ125MFV1 FXMQ200MFV1 FXMQ250MFV1 FXAQ20MHV1 FXAQ25MHV1 FXAQ32MHV1 FXAQ40MHV1 FXAQ50MHV1 BEVQ50MVE FXLQ20MHV1 FXLQ25MHV...

Page 3: ... electric shocks a fire etc Install the air conditioner on a foundation that can withstand its mass Insufficient strength 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 in consideration of strong winds typhoons or earthquakes Improper installa tion...

Page 4: ...l or protective plates together with a rope when lifting to avoid damage or scratches to the unit When moving the unit at or after opening hold the unit by the hanger brackets 4 Do not apply force to the refrigerant piping drain piping or plastic parts When selecting installation site refer to the paper pattern For the installation of an outdoor unit refer to the installation manual attached to th...

Page 5: ...allowable limit Refer to the installation manual for the outdoor unit Any vents light fixtures or other appliances which may disturb the airflow might cause the top side to become dirty if located too nearby so follow the figure below when installing Install the indoor and outdoor units power supply wiring and connecting wires at least 1 meter away from televi sions or radios in order to prevent i...

Page 6: ...s 3 Install the suspension bolts Use either a W3 8 or M10 size bolt Use a hole in anchor for existing ceilings and a sunken insert sunken anchor or other part to be procured in the field for new ceilings to reinforce the ceiling to bearing the weight of the unit Adjust clearance from the ceiling before proceeding further 5 INDOOR UNIT INSTALLATION Installing optional accessories except for the dec...

Page 7: ...rm steps 3 4 5 in For new ceilings 6 REFRIGERANT PIPING WORK For the outdoor unit refrigerant piping refer to the installation manual attached to the outdoor unit Carry out insulation of both gas and liquid refrigerant piping securely If not insulated it may cause water leakage For gas piping use insulation material of which heat resistant temperature is not less than 120 C For use under high humi...

Page 8: ...ng Therefore use the phosphor copper brazing filler metal BCuP 2 JIS Z 3264 B Cu93P 710 795 ISO 3677 which does not require flux Flux has extremely harmful influence on refrigerant piping systems For instance if the chlorine based flux is used it will cause pipe corrosion or in particular if the flux contains flu orine it will damage the refrigerant oil Before brazing local refrigerant piping nitr...

Page 9: ...PRECAUTIONS FOR DRAIN RAISING PIPING Install the drain raising pipes at a height of less than 310 mm Install the drain raising pipes at a right angle to the indoor unit and no more than 300 mm from the unit If converging multiple drain pipes install according to the procedure shown below Select converging drain pipes whose gauge is suitable for the operating capacity of the unit 2 After piping wor...

Page 10: ...the entire system must be installed Refer to the installation manual attached to the outdoor unit for the size of power supply wiring connected to the outdoor unit the capacity of the circuit breaker and switch and wiring instructions Be sure to ground the air conditioner Do not connect the ground wire to gas and water pipes light ning rods or telephone ground wires Gas pipes might cause explosion...

Page 11: ...carry out soldering finish when stranded wires are used Otherwise the loosening of wires may result in abnor mal heat radiation Abnormal heating may occur if the wirings are not tightened securely Use the required wirings connect them securely and fix these wirings securely so that external force may not apply to the terminals Use a proper screw driver for tightening the terminal screws If an impr...

Page 12: ...f the upper part The remote controller PC board is attached to the upper part of remote controller Power supply wiring Transmission wiring Switch Fuse Power supply Main switch Remote controller Indoor unit BS unit Only for Heat recovery system L N IN D OUT D F1 F2 F1 F2 Control box LN P1 P2 P1 P2 F1 F2 T1 T2 P1 P2 P1 P2 F1 F2 T1 T2 LN P1 P2 P1 P2 F1 F2 T1 T2 LN LN P1 P2 P1 P2 F1 F2 T1 T2 Outdoor u...

Page 13: ...ndoor units or to check the setting use the mode Nos with 2 in upper digit in parentheses Set the remote controller to the field set mode For details refer to the HOW TO SET IN THE FIELD in the remote controller manual When in the field set mode select mode No 12 then set the first code switch No to 1 Then set second code position No to 01 for FORCED OFF and 02 for ON OFF OPERATION FORCED OFF at f...

Page 14: ... 1511 HT 3P258319 5K EM02A084C ...

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