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9.2.1. Setting for low noise mode

(1)  Switch to “Local setting mode” by pressing [MODE] 

button (SW1) for 3 seconds or 

more.

(2)  Confirm (POWER / MODE) blinks 9 times, and press [ENTER] 

button (SW3).

POWER

ERROR

PUMP  

DOWN

LOW 

NOISE

PEAK 

CUT

MODE

(L1)

(L2)

(L3)

(L4)

(L5)

(L6)

Blink

(9 times)

Sign “

”: Lights off, “

”: Lights on, () : Number of blinking

(3) 

Press [SELECT] button (SW2), and adjust LED display as shown below. (Current 

setting is displayed)

LOW 

NOISE

(L2)

(L3)

LOW NOISE 

MODE

Blink

Sign “

”: Lights off

(4)  Press [ENTER] 

button (SW3).

LOW 

NOISE

(L2)

(L3)

LOW NOISE 

MODE

Sign “

”: Lights off, “

”: Lights on

(5)  Press [SELECT] 

button

 (SW2), and adjust LED lamp as shown in below figure.

PEAK 

CUT

(L4)

(L5)

(L6)

Level 1

Blink

Level 2

Blink

Sign “

”: Lights off

The noise of Level 2 is lower than the one of Level 1.

(6)  Press [ENTER] 

button

 (SW3) and fix it.

PEAK 

CUT

(L4)

(L5)

(L6)

Level 1

Level 2

Sign “

”: Lights off, “

”: Lights on

(7)   Return to “Operating status display (Normal operation)” by pressing [EXIT] 

button  

(SW4).

In case of missing how many times [SELECT] and [ENTER] 

• 

button are pressed, 

restart from the beginning of operation procedure after returning to “Operation status 

display (normal operation)” by pressing the [EXIT] 

button once.

9.2.2. Setting for peak cut mode

(1)   Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or 

more.

(2)  Confirm (POWER / MODE) blinks 9 times, and press [ENTER] button (SW3).

POWER

ERROR

PUMP  

DOWN

LOW 

NOISE

PEAK 

CUT

MODE

(L1)

(L2)

(L3)

(L4)

(L5)

(L6)

Blink 

 

(9 times)

Sign “

”: Lights off, “

”: Lights on, () : Number of blinking

(3)  Press [SELECT] button (SW2), and adjust LED lamp as shown below. (Current 

setting is displayed)

LOW 

NOISE

(L2)

(L3)

PEAK CUT 

MODE

Blink

Sign “

”: Lights off

(4)  Press [

ENTER] button (SW3).

LOW 

NOISE

(L2)

(L3)

PEAK CUT 

MODE

Sign “

”: Lights off, “

”: Lights on

(5)  Press [SELECT] button (SW2), and adjust LED lamp as shown in below figure.

PEAK 

CUT

(L4)

(L5)

(L6)

Level 1

0% of rated input ratio

Blink

Level 2

50% of rated input ratio

Blink

Level 3

75% of rated input ratio

Blink

Blink

Level 4

100% of rated input ratio

Blink

Sign “

”: Lights off

(6)  Press [ENTER] button (SW3) and fix it.

PEAK 

CUT

(L4)

(L5)

(L6)

Level 1

0% of rated input ratio

Level 2

50% of rated input ratio

Level 3

75% of rated input ratio

Level 4

100% of rated input ratio

Sign “

”: Lights off, “

”: Lights on

(7)  Return to “Operating status display (Normal operation)” by pressing [EXIT] button 

(SW4).

When pressed number is lost during operation, restart from the beginning of operation 

• 

procedure after returning to “Operation status display (normal operation)” by pressing 

the [EXIT] button once.

10. EXTERNAL INPUT AND OUTPUT

10.1. External input

10.1.1. Wiring of connector

ON/OFF of the “Low noise mode”, and “Peak cut mode” functions can be enabled with an 
external field device.
When installing connection cable, specified part (optional parts) must be used. 

Refer to section 9.2. Table. Settings List, for the required function. The function must be 

set for the external input to work. 

Input

Connector

Low noise mode

CN10

Peak cut mode

CN11

*  

Make the distance from the PC board to the connected unit within 10m (33ft).

  Contact capacity : 24VDC or more, 10mA or more.

Circuit diagram example

Outdoor unit control 

PC board

Connected unit (Field 

supply)

Ex.) Switch

Connection cable  (option)

Signal

Connector

*10m (33ft)

9379069380_IM.indb   12

1/25/2013   12:01:25 PM

Summary of Contents for AOYG45LETL

Page 1: ...uement MANUAL DE INSTALACIÓN UNIDAD EXTERIOR Únicamente para personal de servicio autorizado MANUALE DI INSTALLAZIONE UNITÀ ESTERNA A uso esclusivo del personale tecnico autorizzato ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ ΕΞΩΤΕΡΙΚΗ ΜΟΝΑΔΑ Μόνο για εξουσιοδοτημένο τεχνικό προσωπικό MANUAL DE INSTALAÇÃO UNIDADE EXTERIOR Apenas para pessoal de assistência autorizado РУКОВОДСТВО ПО УСТАНОВКЕ ВНЕШНИЙ МОДУЛЬ Только для...

Page 2: ...g not attached properly with 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to rupture and even injury When installing and relocating the air conditioner do not mix gases other than the specified refrigerant R410A to enter the refrigerant cycle If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high val...

Page 3: ...gerant leak occurs during operation immediately vacate the premises and thoroughly ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas The basic installation work procedures are the same as conventional refrigerant models However pay careful attention to the following points Since the working pressure is 1 6 times higher than that of conventional refrigerant...

Page 4: ...pipe may freeze in extremely cold weather Reverse cycle model only As the drain water flows out of the outdoor unit during heating operation install the drain pipe and connect it to a commercial 16 mm hose Reverse cycle model only When installing the drain pipe plug all the holes other than the drain pipe mounting hole in the bottom of the outdoor unit with putty so there is no water leakage Rever...

Page 5: ...n on Fig B holding the handles Fig A in right and left sides Be careful not to touch with hands or objects Be sure to hold the handles on the sides of the unit Otherwise the suction grilles on the sides of the unit may be deformed Handle Suction grille Handle Suction grille Fig A Fig B Front view Rear view 3 5 Installation Unit mm 4 Φ 12 Hole 132 AIR 650 119 50 50 16 370 Install 4 anchor bolts at ...

Page 6: ...ength L m 50 Min piping length L m 5 Max height difference H Indoor unit to outdoor unit m 30 View Example H L sd 5 PIPE INSTALLATION 1 5 1 Opening a knock out hole CAUTION Be careful not to deform or scratch the panel while opening the knock out holes To protect the piping insulation after opening a knock out hole remove any burrs from the edge of the hole It is recommended to apply rust preventi...

Page 7: ...to install the pipe against the port on the indoor unit and the outdoor unit correctly If the centering is improper the flare nut cannot be tightened smoothly If the flare nut is forced to turn the threads will be damaged Do not remove the flare nut from the outdoor unit pipe until immediately before connecting the connection pipe After installing the piping make sure that the connection pipes do ...

Page 8: ...y removing the blank caps from the gas and liquid pipes 2 Remove the charging port cap and connect the gauge manifold and the vacuum pump to the charging valve with the service hoses 3 Vacuum the indoor unit and the connecting pipes until the pressure gauge indicates 0 1 MPa 76 cmHg 4 When 0 1 MPa 76 cmHg is reached operate the vacuum pump for at least 60 minutes 5 Disconnect the service hoses and...

Page 9: ...ry For the additional amount see the table below Additional charging amount Refrigerant pipe size mm in Piping length L 20 m 30 m 40 m 50 m g m Liquid 9 52 3 8 None 400 g 800 g 1 200 g 40 g m Gas 15 88 5 8 sd Refer to 4 3 Refrigerant pipe size and allowable piping length 6 ELECTRICAL WIRING Cable Cable size mm Type Remarks Power Supply Cable 6 Type60245 IEC66 3 Cable Ground 1 Φ 230 V Connection Ca...

Page 10: ...f the knock out hole from cutting the wires It is recommended to apply anti rust paint to the edge of the knock out hole Knock out holes are provided for wiring Fig A Knock out holes are provided 2 each in the same size in front lateral and rear sides Fig A Installation method of One touch bush Please fix the One touch bush accessory as shown below Fig B Fig B Pipe cover rear Pipe cover front Fron...

Page 11: ...locally to avoid any gap Fig A If small animals such as insects enter the external unit a short circuit may be caused near electrical components in the service panel If the outdoor unit is installed at a level that is higher than the indoor unit the water that has condensed in the 3 way valve of the outdoor unit could travel to the indoor unit Therefore use putty in the space between the pipe and ...

Page 12: ...witches Never touch the terminals or the patterns on the parts that are mounted on the board 9 1 Field setting buttons Remove the front panel of the outdoor unit access the print circuit board of the display unit Print circuit board buttons for various settings and LED displays are shown in the figure LED display part Button part 9 2 Function settings Various functions can be set Follow the settin...

Page 13: ... SW2 and adjust LED lamp as shown below Current setting is displayed LOW NOISE L2 L3 PEAK CUT MODE Blink Sign Lights off 4 Press ENTER button SW3 LOW NOISE L2 L3 PEAK CUT MODE Sign Lights off Lights on 5 Press SELECT button SW2 and adjust LED lamp as shown in below figure PEAK CUT L4 L5 L6 Level 1 0 of rated input ratio Blink Level 2 50 of rated input ratio Blink Level 3 75 of rated input ratio Bl...

Page 14: ...roblems adjust immediately and recheck 10 1 2 Low noise mode CN10 This features reduces the operating sound of the outdoor unit from the normal sound The air conditioner is set to the Low noise mode when closing the contact input of a commercial timer or ON OFF switch to a connector on the outdoor control PC board Performance may drop depending on the outside air temperature condition etc Set the ...

Page 15: ...et with test operation setting refer to installation instructions manual of indoor unit for further details available in the remote controller Cooling Operation and Heating Operation can be set using SELECT button and ENTER button available on the board of display unit Make sure to perform the first test operation with cooling operation Set as per the procedure given below LED display part Button ...

Page 16: ...nk 3 times Outdoor unit Heat Ex liquid temp sensor error Blink 2 times Blink 7 times Blink 3 times Outdoor temp sensor error Outdoor temp sensor error Blink 2 times Blink 7 times Blink 4 times Heat sink temp sensor error Heat sink temp sensor error Blink 2 times Blink 7 times Blink 7 times Current sensor error Current sensor 1 error stoppage permanently Blink 2 times Blink 8 times Blink 4 times Pr...

Page 17: ... PUMP DOWN button is pressed while the compressor is operating the compressor will stop then start again in about 3 minutes 4 LED display will change as shown below about 3 minutes after the compressor starts Fully close the 3 way valve on the liquid pipe side at this stage POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE L1 L2 L3 L4 L5 L6 Sign Lights off Lights on If the valve on the liquid pipe sid...

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