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English

2.  BEFORE INSTALLATION

When unpacking the indoor unit or moving the unit after 

unpacked, hold the hanger brackets (4 locations) and do 

not apply force to other parts (particularly refrigerant pip-

ing, drain piping).

• 

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 and additional refriger-
ant charge, refer to the installation manual attached to the 
outdoor unit.

• 

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

• 

Do not damage the equipment or property when carrying 
the indoor unit into the room.
(1)  Measure the unit with packaging to ensure the unit 

can be carried safely while still packaged.

(2)  Determine the route to carry the unit into the room.
(3)  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.

• 

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.

• 

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).

• 

Do not use the air conditioner in a salty atmosphere such 

as coastal areas, vehicles, vessels or where voltage fluc

-

tuation is frequent such as factories.

• 

Take off static electricity from the body when carrying out 

wiring and the control box cover is removed.

 

The electric parts may be damaged.

2-1  ACCESSORIES

Check if the following accessories are attached to the 

indoor unit.

Name

(1) Metal 

clamp

(2) Drain 

hose

(3) Duct flange connection 

screw

Quantity

1 pc.

1 pc.

See below

Shape

15·18·24 

type

18 pcs.

30·36·48 

type

30 pcs.

54 

type

34 pcs.

Name

Joint insulating  

material

(6) Sealing 

material

(7) Sealing 

material

(8) Clamp

Quantity

1 each

1 sheet

2 sheets

8 pcs.

Shape

Thin

(4) For liquid 

piping

Thick

(5) For gas 

piping

Large

(Dark gray)

Medium

(Dark gray)

Name

(9) Washer clamp

(10) Wire sealing  

material

(11) Washer for 

hanger bracket

Quantity

4 pcs.

2 sheets

8 pcs.

Shape

Small

(Gray)

Name

(12) Conduit 

mounting plate

Others

Quantity

1 pc.

• Operation 

manual

• Installation 

manual

Shape

2-2  OPTIONAL ACCESSORIES

•  A remote controller is required for the indoor unit.

• 

There are 2 kinds of remote controllers; wired type and 
wireless type. 
Install the remote controller to the place where the cus-
tomer has given consent. 
Refer to the catalog for the applicable model. 
(Refer to the installation manual attached to the remote 
controller for how to install.)

•  The indoor unit can be switched to lower suction.  

(Refer to 4. PREPARATION BEFORE INSTALLATION.)

The side cover plate (KDBD63A160) is required in the case 
of wiring from the bottom surface at bottom suction. 
For installation work, refer to the installation manual provid-

ed with the side cover plate. <Except for 30·36·48·54 type>

CARRY OUT THE WORK GIVING CAUTION 
TO THE FOLLOWING ITEMS AND AFTER 
THE WORK IS COMPLETED CHECK THESE 
AGAIN.

(1)  Items to be checked after the installation work is 

completed

Items to be checked

In case of defective

Check  

column

Are the indoor and outdoor 

units rigidly fixed?

Drop · vibration · 
noise

Are the installation works of 
the outdoor and indoor units 

completed?

Does not operate · 
burnout

Have you carried out air tight 
test with the test pressure 

specified in the outdoor unit 
installation manual?

Does not cool/ 
Does not heat

01_EN_3P493125-6E.indd   3

2022/08/03   10:36:07

Summary of Contents for FXMQ15TBVJU

Page 1: ...for future reference This manual should be left with the equipment owner Lire soigneusement ces instructions avant l installation Conserver ce manuel port e de main pour r f rence ult rieure Ce manuel...

Page 2: ...ere injury or death After completing the installation work check that the refrigerant gas does not leak throughout the system Do not install unit in an area where flammable materials are present due t...

Page 3: ...Therefore take proper measures to check for the tightness of the refrigerant piping installation Read the chapter Refrigerant Piping Work and follow the procedures Since R410A is a blend the required...

Page 4: ...ctric parts may be damaged 2 1 ACCESSORIES Check if the following accessories are attached to the indoor unit Name 1 Metal clamp 2 Drain hose 3 Duct flange connection screw Quantity 1 pc 1 pc See belo...

Page 5: ...he optional accessory and make field settings as needed Is the remote controller icon displayed Is the re mote controller connected to the master unit if the system is in simultaneous multi operation...

Page 6: ...ighting type inverter or rapid start type fluorescent lamp is installed 2 Use suspension bolts for installation Investigate if the installation place can withstand the weight of the indoor unit and if...

Page 7: ...ain piping remote controller wiring unless a wireless re mote controller is used and wiring between the indoor and outdoor units to the piping connection port and wiring connection port of the indoor...

Page 8: ...spatter and other foreign materials from entering the indoor unit and damaging the resin drain pan If holes or cracks are generated in the resin drain pan water can leak 2 Adjust so that the unit is...

Page 9: ...a flare connection coat the flared inner surface only with ether oil or ester oil Refer to Fig 10 Then turn the flare nut 3 to 4 times with your hand and screw in the nut Torque wrench Spanner Flare...

Page 10: ...Fig 11 Before brazing refrigerant piping have nitrogen flow through the refrigerant piping and substitute air with nitrogen NOTE 1 Refer to Fig 12 Then carry out brazing NOTE 2 After all the brazing...

Page 11: ...ig 13 Make sure to use the attached drain hose 2 and the metal clamp 1 Insert the drain hose 2 into the drain socket up to the point where the socket diameter becomes larger Put the metal clamp 1 to t...

Page 12: ...ate abnormal sound Fig 16 CAUTION To avoid the attached drain hose 2 getting excessive force do not bend nor twist it It may cause water leakage As for drain piping connection do not connect the drain...

Page 13: ...y not come off 3 Gradually pour 1 4 gal 1 of water from the dis charge into the drain pan and be careful spraying water to the electric components such as drain pump Refer to Fig 18 4 When the power s...

Page 14: ...ation material Field supply Suction Discharge Screws for duct anges 3 Accessory Screws for duct anges 3 Accessory Flange on discharge side Provided with the unit Fig 20 CAUTION Connect the flange and...

Page 15: ...unit Max 3 280 ft 1 000 m Indoor unit Indoor unit Max 3 280 ft 1 000 m NOTE 1 Vinyl cord with sheath or cable Insulated thickness 1 16 in 1 mm or more 9 4 WIRING CONNECTION METHOD CAUTION FOR WIRING F...

Page 16: ...ture if you have difficulty in performing this step Screws 2 locations Conduit mounting plate 12 Hook Fig 24 4 3 Connect the wiring into the control box through the wiring intake beside the control bo...

Page 17: ...1 P F 2 F 1 P L1 F 1 2 T 2 T 1 P P 2 1 F 2 L2 F L1 1 2 T T P Remote controller Remote controller Remote controller L1 L2 L1 L2 L1 L2 No 2 system When carrying out group control or 2 remote controller...

Page 18: ...on Sheathed vinyl cord or 2 core cable Wiring size AWG 18 16 0 75 1 25 mm2 Wiring length Max 328 ft 100 m External contact spec Contact that can make and break the min load of DC 15 V 1 mA 2 Actuation...

Page 19: ...ill be OFF and the indoor unit will come to a stop Table 7 Mode No FIRST CODE No Setting content SECOND CODE No 01 02 03 11 21 7 Air volume adjust ment OFF Air volume adjust ment completion Air volume...

Page 20: ...arly if the indication is one of those shown in the Table 13 it may be an error in the electrical wiring or the power supply is disconnected Therefore recheck wiring Table 13 Remote controller indicat...

Page 21: ...2209 HT 3P493125 6E EM21A039A Daikin Texas Technology Park 19001 Kermier Road Waller TX 77484 U S A 00_CV_3P493125 6E indd 2 2022 08 03 10 34 56...

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