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En-9

 

WARNING

When using solid core cables, do not use the ring terminal. If you use the solid core 
cables with the ring terminal, the ring terminal’s pressure bonding may malfunction 
and cause the cables to abnormally heat up.

B. For strand wiring

(1)  Use ring terminals with insulating sleeves as shown in the 

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 gure below to connect to 

the terminal block.

(2)  Securely clamp the ring terminals to the cables using an appropriate tool so that the 

cables do not come loose.

(3)  Use the speci

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 ed cables, connect them securely, and fasten them so that there is no 

stress placed on the terminals.

(4)  Use an appropriate screwdriver to tighten the terminal screws. Do not use a 

screwdriver that is too small, otherwise, the screw heads may be damaged and 
prevent the screws from being properly tightened.

(5)  Do not tighten the terminal screws too much, otherwise, the screws may break.
(6)  See the table for the terminal screw tightening torques.
(7)  Please do not 

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 x 2 power supply cables with 1 screw.

Strip 3/8 in.

(10 mm)

 Sleeve

Screw with 
special washer

Screw with 
special washer

Ring terminal

Cable

Cable

Terminal block

Ring terminal

Ring terminal

 

WARNING

Use ring terminals and tighten the terminal screws to the speci

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 ed torques, otherwise, 

abnormal overheating may be produced and possibly cause heavy damage inside the 
unit.

Tightening torque

M4 screw 

(Power supply/L1, L2 (N), GND)

11 to 16 lbf·in 

(1.2 to 1.8 N·m)

6.3.2. Transmission and Remote controller cable

Shielded wire 

(no 

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 lm)

1-3/16 in. (30 mm)

1-15/16 in. (50 mm)

Transmission cable

Remote controller cable

For 3-wire type

For 2-wire type

1-3/16 in. (30 mm)

1-3/16 in. (30 mm)

•  When the 2 cables are attached:

GOOD

PROHIBITED

Different diameter

Connect to 1 side

 

WARNING

Tighten the terminal screws to the speci

fi

 ed torques, otherwise, abnormal overheating 

may be produced and possibly cause heavy damage inside the unit.

Tightening torque

M3 screw

(Transmission/X1, X2)

(Remote controller/Y1, Y2, Y3)

4.4 to 5.3 lbf·in 

(0.5 to 0.6 N·m)

 

CAUTION

To peel the 

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 lm from the lead cable, use a dedicated tool that will not damage the 

conductor cable.

When installing a screw on the terminal block, do not cut the cable by overtightening 
the screw. On the other hand, an undertightened screw can cause faulty contact, which 
will lead to a communication failure.

]1

6.4. Connection of wiring 

(1)  Remove the electric component box.

Electric component box

Electric component box

RFM

 

CAUTION

Do not remove the RFM 

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 xing screws. If the stays are removed, the electric component 

box will fall.

If you use as “Floor console”, you must remove screws and RFMs (2 position).

When removing the electric component box, remove the clamp from the cables.
After completing the work, fasten the cables as they were originally by installing the clamp.

Cables

Clamp

Remove the clamp.

Install the clamp.

(2)  Pull out the electric component box.

Electric component box

(3)  Remove the electric component box cover.
 

Remove the 3 tapping screws.

Electric component box cover

Base

 

CAUTION

Be careful not to pinch the lead cables between the electric component box and 
base.

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Summary of Contents for ABUA12TLAV

Page 1: ...nel only PART NO 9367701124 03 ABUA12TLAV ABUA14TLAV ABUA18TLAV ABUA24TLAV Fran ais MANUEL D INSTALLATION APPAREIL INT RIEUR type sol plafonnier Pour le personnel agr uniquement Espa ol MANUAL DE INST...

Page 2: ...the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting...

Page 3: ...dedicated tools and piping materials that have been manufactured specifically for R410A use Because the pressure of R410A refrigerant is approximately 1 6 times higher than the R22 failure to use ded...

Page 4: ...use refrigerant leakage Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline If gas leaks and settl...

Page 5: ...ccessories Special nut A Accessories Ceiling panel Spring washer Field supply M10 Nut Field supply M10 Nut Field supply 1 3 3 Installation the unit WARNING Install the air conditioner in a location wh...

Page 6: ...48 F 120 C Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant pip...

Page 7: ...iquid pipes Failure to do so may cause water leaks After checking for gas leaks insulate by wrapping insulation around the 2 parts Gas and Liquid of the indoor unit coupling using the coupler heat ins...

Page 8: ...ctric shock or fire Before starting work check that power is not being supplied to the all units Use the included connection cables and power cables or ones specified by the manufacturer Improper conn...

Page 9: ...37 to 90 Heat pump type indoor units Heat recovery type indoor units and RB units If the total number of units connected to the breaker exceeds 36 either add a 30mA breaker or use breakers with a grea...

Page 10: ...emote controller cable Shielded wire no film 1 3 16 in 30 mm 1 15 16 in 50 mm Transmission cable Remote controller cable For 3 wire type For 2 wire type 1 3 16 in 30 mm 1 3 16 in 30 mm When the 2 cabl...

Page 11: ...nd output cable with appropriate external dimension depending on the number of cables to be installed The wire connection should be separate from the power cable line Input select Use either one of th...

Page 12: ...rning ON output to the connected external heater can be set by changing Dip switch on PC board Dip switch SET2 SW3 Fan setting when ON is output to the external heater Explanation OFF Factory setting...

Page 13: ...s and the refrigerant circuit address can also be set up through the wireless remote controller Set it according to the following procedures when setting manually It can be set manually if the cover s...

Page 14: ...er 02 Shorter Filter indicator action 13 00 Enable Enable or disable the filter indicator Setting 02 is for use with a central remote controller 01 Disable 02 Display only on central remote controller...

Page 15: ...r lamp Orange FILTER indicator lamp Red MANUAL AUTO button 7 3 2 Checking the function settings Press and hold the MANUAL AUTO button on the indoor unit for 3 seconds to check the function settings It...

Page 16: ...r plate Left 1 Join the cover plates left and mount with screws Tapping screw M4 10 mm Accessories Cover plate Left Accessories 8 4 Mount the intake grille 1 Cut the right side of the intake grille Th...

Page 17: ...remote controller display If you use a wireless remote controller the lamp on the photodetector unit will output error codes by way of blinking patterns See the lamp blinking patterns and error codes...

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