AirStage AUUB18TLAV Installation Manual Download Page 10

En-9

Strip 1 in. 
(25 mm)

Screw with 
special washer

Screw with 
special washer

Cable end (Loop)

Cable end (Loop)

Terminal block

Cable

Loop

Cable

Do not apply branch wiring. It may result electric shock or 

fi

 re.

 

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 

fi

 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.

Screw with 
special washer

Screw with 
special washer

Terminal block

Cable

Cable

Ring terminal

Ring terminal

 Sleeve

Strip 3/8 in.
(10 mm)

Ring terminal

 

WARNING

Use ring terminals and tighten the terminal screws to the specified 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)

1-9/16 in. (40 mm)

1-3/16 in. (30 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 specified 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 to 5 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.

6.4. Connection of wiring

(1) Remove the control box cover and install each connection cable.

1

 Wiring cover

Power terminal board

2

 Control box cover

Attach the conduit connector on 
the wiring connecting port.
(The grommet edging and the 
connection cable clamp are not 
used.)

Conduit connector

Lock nut

* Wiring connecting port

For putting through the 
power supply cable.

Connection cable clamp

Transmission cable and Remote 
controller terminal board

* Remote controller connecting port

For putting through the transmission 
cable and the remote controller cable.

*  Fill the wiring connecting port and remote controller connecting port with putty 

or heat insulation so that insects or dust will not enter the unit.

(2)  Please 

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 rmly tighten Connection cable and Remote controller cable with the attached 

cable tie.

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Summary of Contents for AUUB18TLAV

Page 1: ...authorized service personnel only Français MANUEL D INSTALLATION APPAREIL INTÉRIEUR type cassette Pour le personnel agréé uniquement AUUB18TLAV AUUB24TLAV AUUB30TLAV AUUB36TLAV Español MANUAL DE INSTALACIÓN UNIDAD INTERIOR Tipo casete Únicamente para personal de servicio autorizado ...

Page 2: ... valves When Servicing Turn the power OFF at the main circuit breaker panel before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced After installation explain correct operation to the cu...

Page 3: ...llation Manual in a safe place and do not discard any other accessories until the installation work has been completed Name and Shape Q ty Application Operation Manual 1 Installation Manual 1 This book Cable tie Large 4 For fixing the connection pipe Large and Small Cable tie Medium 2 For transmission and remote controller cable binding Coupler heat insulation Small 1 For indoor side pipe joint Sm...

Page 4: ...iling Function setting H in mm AUUB18 AUUB24 AUUB30 AUUB36 Standard mode 118 3 000 118 3 000 125 3 200 125 3 200 High Ceiling mode 137 3 500 137 3 500 141 3 600 165 4 200 Be sure to make the function settings with the remote controller according to the installed ceiling height Discharge Direction Setting The discharge direction can be selected as shown below 4 DIRECTION 3 DIRECTION 4 in 100 mm or ...

Page 5: ...o M10 3 3 2 Hanging preparations Firmly fasten the hanging bolts as shown in the figure or by another method Install the hanging bolts at a place where they would be capable of holding a weight of at least 110 lbf 490 N per bolt Hole in anchor Hole in plug Concrete Insert Hanging bolt M10 Field supply 3 3 3 Body installation 1 Install the attached washer and nut prepared on site onto the hanging b...

Page 6: ...ed humidity exceeds 80 use heat insulation that is 13 16 in 20 mm or thicker If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation In addition use heat insulation with heat conductivity of 0 045 W m K or less at 68 F 20 C 4 3 Flare connection pipe connection WARNING Tighten the flare nuts with a torque wrench using the specified tighten...

Page 7: ...ulation After installing the Coupler heat insulation wrap both ends with vinyl tape so that there is no gap Cable tie Large Accessories Body Be sure to overlap the insulation Coupler heat insulation Coupler heat insulation Accessories No gap CAUTION Must fit tightly against body without any gap 5 INSTALLING DRAIN PIPES WARNING Do not insert the drain piping into the sewer where sulfurous gas occur...

Page 8: ...es or ones specified by the manufacturer Improper connections insufficient insulation or exceeding the allowable current can cause electric shock or fire Do not modify the power cables use extension cables or use any branches in the wiring Improper connections insufficient insulation or exceeding the allowable current can cause electric shock or fire Match the terminal block numbers and connection...

Page 9: ...22 AWG 0 33 mm LONWORKS compatible cable 22 AWG LEVEL 4 NEMA non polar 2 core twisted pair solid core diameter 0 026 in 0 65 mm Remote controller cable 2 wire type 22 AWG to 16 AWG 0 33 mm to 1 25 mm Sheathed PVC cable Non polar 2 core Remote controller cable 3 wire type 22 AWG 0 33 mm Sheathed PVC cable Polar 3 core 6 2 Wiring method EXAMPLE Outdoor unit or RB unit 1 Transmission Transmission Pow...

Page 10: ...rew 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 film 1 9 16 in 40 mm 1 3 16 in 30 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...

Page 11: ...using indoor unit PCB CNA01 or CNA02 Operation Stop mode Emergency stop mode or Forced stop mode can be selected with function setting of indoor unit Indoor unit can be Forced thermostat off by using indoor unit PCB CNA03 or CNA04 A twisted pair cable 22 AWG should be used Maximum length of cable is 492 ft 150 m Use an external input and output cable with appropriate external dimension depending o...

Page 12: ...ut signal Command Ch1 of CNA01 or CNA02 OFF ON Emergency stop ON OFF Normal In the case of Pulse input Connector Input signal Command CNA01 or CNA02 Ch1 OFF ON Emergency stop Ch2 OFF ON Normal All indoor units of same refrigerant system stops when Emergency stop operates When function setting is Forced stop mode In the case of Edge input Connector Input signal Command Ch1 of CNA01 or CNA02 OFF ON ...

Page 13: ...ibed 1 to 3 below 1 IU AD REF AD SW settings This section 7 1 Setting the address 2 Remote controller settings Refer to the wired or wireless remote controller manual for detailed setting information Set IU AD REF AD SW to 0 3 Automatic address settings Refer to the outdoor unit manual for detailed setting information Set IU AD REF AD SW to 0 CAUTION Be sure to turn OFF the power before performing...

Page 14: ...emote controller The remote controller is optional equipment Refer to the wired or wireless remote controller manual for detailed setting information Set IU AD REF AD SW to 0 Refer to 7 1 Setting the address for indoor unit address and refrigerant circuit ad dress settings Turn the power of the indoor unit ON before starting the setting Turning on the power to the indoor units initializes EEV so m...

Page 15: ...a ture 2 Operating temperature switching of external heaters 62 00 Setting 0 Sets the temperature conditions when the external heater is ON For the temperature conditions see Temperature conditions when the external heater is ON For a more detailed explanation see the Design Technical Manual 01 Setting 1 02 Setting 2 03 Setting 3 04 Setting 4 05 Setting 5 Temperature conditions when the external h...

Page 16: ... Does water drain easily from the indoor units Water leakage Is the voltage of the power source the same as that indicated on the label on the indoor unit No operation heat or burn damage Are the wires and pipes all connected completely No operation heat or burn damage Is the indoor unit earthed grounded Short circuit Is the connection cable the specified thickness No operation heat or burn damage...

Page 17: ...e Error icon Touch the Status Touch the Error Information 2 digit numbers are corresponding to the error code in the preceding table For more information refer to the installation manual of the remote controller Touch the Next Page or previous page to switch to other indoor unit information ...

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