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5

English

(1)  Install the indoor unit temporarily.

• 

Fix the hanger bracket to the suspension bolt.

 

Make sure to securely fix the hanger bracket with the 

nut and the washer for hanger bracket (3) from the up-
per and lower side. 

(Refer to Fig. 7) 

If the washer fixing plate (7) is used,  the upper side 

washer for hanger bracket (3) may be protected from 
falling off.  
(Refer to Fig. 8)

[To fix hanger bracket]

Suspension bolt

Washer for hanger bracket (3) 
(Accessory)

Hanger bracket

Tighten the nut
(Double nut)

Nut 
(Field supply)

Fig. 7

[To fix washer fixing plate]

Washer fixing plate (7)
(Accessory) 

Upper side nut
(Field supply)

Insert

Fig. 8

(2)   

•  The installation pattern paper (5) is matched to the ceil-

ing opening dimension. 

For the height of ceiling lower surface from the floor 
level, confirm with the builder of ceiling.

•  The center of the ceiling opening is shown in the instal-

lation pattern paper (5).
The center of the indoor unit is indicated as triangle 
marks on the sides and bottom of the unit and those on 
the installation pattern paper (5).

•  Put the installation pattern paper (5) to the indoor unit 

with four screws (6).
At this time, put the installation pattern paper (5) to the 
indoor unit with the triangle marks on the indoor unit 
and those on the installation pattern paper (5) aligned.

Installation 

pattern 

paper (5)

(Accessory)

[Installation of the installation pattern paper]

Center of 

ceiling opening

Screw (6)
(Accessory)

Screw (6)
(Accessory)

Center of the 

indoor unit

Center mark 

of the unit

< Installation work after the ceiling work is finished >

(3)  Adjust the indoor unit to be located at the correct posi-

tion. 
(Refer to 

3. PREPARATION BEFORE INSTALLATION 

– (1))

•  Using the Installation guide (15) allows you to check 

the position from the underside of the unit to the lower 
ceiling surface.

Apply the short 
side of the 
cut-out section.

Lower ceiling 

surface

Installation guide (15)

(Accessory)

Underside 

of the unit

[For BYCQ54EEFU]

[For BYCQ54EEGFU]

Cut away the 1st and 2nd 
notches and apply.

Underside 

of the unit

Installation guide (15)

(Accessory)

(4)  Check the level of the unit. (Refer to Fig. 9)

(5) 

Remove the washer fixing plate (7) used for preventing 

the washer for hanger bracket (3) from dropping and 
tighten the upper side nut.

(6)  Remove the installation pattern paper (5).

Level

Vinyl tube

[Maintaining horizontality]

Fig. 9

01_EN_3P693452-2.indd   5

2022/08/09   16:00:11

Summary of Contents for FCQ18AAVJU

Page 1: ...wner Lire soigneusement ces instructions avant l installation Conserver ce manuel port e de main pour r f rence ult rieure Ce manuel doit tre donn au propri taire de l quipement Lea cuidadosamente est...

Page 2: ...use severe 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 presen...

Page 3: ...e earth s protection again harmful ultraviolet radiation R410A can contribute to the greenhouse effect if it is released Therefore take proper measures to check for the tightness of the refrigerant pi...

Page 4: ...ity from the body when carrying out wiring and the control box cover is removed The electric parts may be damaged 1 1 ACCESSORIES Check if the following accessories are attached to the indoor unit Nam...

Page 5: ...set the fan speed at thermostat OFF did you explain the set fan speed to the cus tomer Have you handed the operation manual and the installation manual to the customer Points of the operation explana...

Page 6: ...center of the sensing area is located in the center of the product 32 in 800 mm above the floor in case of the infrared presence sensor or 0 in 0 mm above the floor in case of the infrared floor sens...

Page 7: ...pening dimension Make the ceiling opening required for installation at the installation location and carry out refrigerant drain pip ing power supply wiring remote controller wiring and transmission w...

Page 8: ...ndoor unit with four screws 6 At this time put the installation pattern paper 5 to the indoor unit with the triangle marks on the indoor unit and those on the installation pattern paper 5 aligned Inst...

Page 9: ...efrigerant leakage To prevent contamination or moisture from getting into the piping take measures such as pinch ing or taping the piping Do not mix substance other than the specified refrig erant suc...

Page 10: ...n Union joint Refrigerant piping Joint insulating material 9 Accessory Piping holding plate screw 2 locations Gas piping Liquid piping Liquid piping insulating method Indoor unit Indoor unit Clamp 4 A...

Page 11: ...ng of piping due to residue 6 DRAIN PIPING WORK 1 Carry out drain piping Carry out drain piping so that drainage can be ensured Select the piping diameter equal to or larger than except for riser that...

Page 12: ...ot apply excessive force to the attached drain hose 1 by bending or twisting it This could cause water leakage In case of centralized drain piping carry out piping work according to the procedure show...

Page 13: ...terial 14 to perform the thermal insulation of the drain socket Do not connect the drain piping directly to the sewage that gives off ammonia odor The ammonia in the sewage may go through the drain pi...

Page 14: ...or insulate the wirings properly Insulation sleeve Ring type crimp style terminal Wiring Use the required wires connect and fix securely so that external force may not apply to the terminals Use a pr...

Page 15: ...pply wiring grounding wiring X2M Terminal block for remote controller wiring transmission wiring X1M Printed Circuit Board Forced off Remote controller wiring X1M Transmission wiring X1M Remote contro...

Page 16: ...1 system When using 1 remote controller Normal operation Indoor unit Power supply single phase 60Hz 208 230V Outdoor unit Remote controller L1L2 IN D OUT D F1 F2 F1 F2 P1 P2 P1 P2 F1 F2 T1 T2 Control...

Page 17: ...If test operation is carried out before mounting the decora tion panel check the horizontal blade action after the panel is mounted 9 FIELD SETTING Refer to also the installation manual attached to th...

Page 18: ...Differential MODE NO FIRST CODE NO SECOND CODE NO 1 8 F 1 C 12 22 2 01 0 9 F 0 5 C 02 9 7 SETTING AIR DISCHARGE DIRECTION When changing air discharge setting 2 way or 3 way air discharge set the SECON...

Page 19: ...the air conditioner until the interior finish work is completed If the air conditioner is operated the inside of the indoor units may be polluted by substances generated from the coating and adhesives...

Page 20: ...2209 HT 3P693452 2 EM21A045 Daikin Texas Technology Park 19001 Kermier Road Waller TX 77484 U S A 00_CV_3P693452 2 indd 2 2022 07 07 16 49 30...

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