AirStage ASHA18GACH Installation Manual Download Page 11

En-10

 When function setting is “Forced stop” mode.

[In the case of “Edge” input]

Connector

Input signal

Command

Ch1 of CNA01 or CNA02

OFF 

 ON

Forced stop

ON 

 OFF

Normal

[In the case of “Pulse” input]

Connector

Input signal

Command

CNA01 or CNA02

Ch1

OFF 

 ON

Forced stop

Ch2

OFF 

 ON

Normal

*  When the forced stop is triggered, indoor unit stops and Operation/Stop operation by a 

remote controller is restricted.

*  When forced stop function is used with forming a remote controller group, connect the 

same equipment to each indoor unit within the group.

• Selection method of functions

“Operation/Stop” mode or “Emergency stop” mode, “Forced stop” mode can be selected 
with function setting of indoor unit.

 Forced thermostat off function

[“Edge” input only]

Connector

Input signal

Command

Ch3 of CNA03 or CNA04

OFF 

 ON

Thermostat off

ON 

 OFF

Normal

(2) External output

•  A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m.
•  Use an external input and output cable with appropriate external dimension, depending 

on the number of cables to be installed.

•  Output voltage: Hi DC12V±2V, Lo 0V.
•  Permissible current: 50mA

Output select

 When indicator etc. are connected directly

Operation

indicator

Error

indicatior

Indoor unit Fan

status indicator

connected unit

P.C.B

CNB

01

 When connecting with unit equipped with a power supply

CNB

01

P.C.B

Connected

device 1

Connected

device 2

Connected

device 3

connected unit

Relay (Field supply)

Operation behavior

Connector

Output voltage

Status

CNB01

External output1

Pins 1-2

0V

Stop

DC 12 V

Operation

External output2

Pins 1-3

0V

Normal

DC 12 V

Error

External output3 

Pins 1-4

0V

Indoor unit fan stop

DC 12 V

Indoor unit fan operation

(3) Connection methods

• Wire modi

fi

 cation

Remove insulation from wire attached to wire kit connector.
Remove insulation from 

fi

 eld supplied cable. Use crimp type insulated butt connector to 

join 

fi

 eld cable and wire kit wire.

Connect the wire with connecting wire with solder.

IMPORTANT:

 Be sure to insulate the connection between the wires.

Field supply

Solder and insulate the connected parts.

Option parts: 
External input /output wire

• Connection terminals and wiring arrangement

In following 

fi

 gure, all the possible connectors are connected for description.

In actual installation, you cannot connect all the connectors at once.

CNA01

CNA04

CNA02

CNA03

CNB01

Controller PCB

Cable tie
(Field supply)

Connecting cables

]1]1

7. FIELD SETTING

There are 3 methods for address setting by FIELD SETTING as follows.
Please set by either of the methods.
Each setting method is described in below (1) to (3).

(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)

]1

7.1. Setting the address

Manual address setting method
•  The indoor unit address and the refrigerant circuit address can also be set up through 

the wireless remote controller

 

CAUTION

Be sure to turn OFF the power before performing the 

fi

 eld setting.

• Please set it according to the following procedures when setting manually.

[

Front panel remove and installation

]

Intake grill remove. 

(1) Open the intake grille.
(2) Pull down the knob.
(3)  Lift the intake grille upward and until the beating at the top of the intake grille is 

removed.

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Summary of Contents for ASHA18GACH

Page 1: ...APPAREIL INT RIEUR Type montage mural UNIDAD INTERIOR Tipo montado en pared Pour le personnel agr uniquement nicamente para personal de servicio autorizado Italiano MANUALE DI INSTALLAZIONE UNIT INTE...

Page 2: ...rvice person nel to repairs When moving consult authorized service personnel for disconnection and installation of the unit 2 ABOUT THE UNIT 1 2 1 Precautions for using R410A refrigerant WARNING Do no...

Page 3: ...ates substances that adversely affect the equipment such as sulfuric gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to corrode which can cause refrigerant leakage Are...

Page 4: ...y strong so that the wall can support the weight Fig A UNIT mm UNIT centre UNIT size UNIT size hole hole hole for tapping screw 80 hole 80 hole Piping inlet Piping inlet hole hole hole hole hole hole...

Page 5: ...flare R410A pipes the dimension A should be approximately 0 5 mm more than indicated in the table for flaring with R410A flare tools to achieve the specified flaring Use a thickness gauge to measure...

Page 6: ...breaking of the pipe avoid sharp bends If the pipe is bent repeatedly at the same place it will break For 1 Rear piping 2 Right piping and 3 Bottom piping Install the indoor unit piping in the direct...

Page 7: ...ly making sure that there are no external forces of the cables applied to the terminal connections Improperly connected or secured cables can cause serious accidents such as overheating the terminals...

Page 8: ...1 Use ring terminals with insulating sleeves as shown in the figure below to connect to the terminal block 2 Securely clamp the ring terminals to the cables using an appropriate tool so that the cabl...

Page 9: ...ld be separate from the power cable line 6 3 3 Remote controller cable Remote controller cable modification 1 Use a tool to cut off the terminal on the end of the remote controller cable and then remo...

Page 10: ...d at the input device you want to connect use the Apply voltage terminal CNA01 CNA03 Input device 1 Input device 2 Input device 3 Load resistance Load resistance Load resistance 1 DC power supply 12 t...

Page 11: ...operation 3 Connection methods Wire modification Remove insulation from wire attached to wire kit connector Remove insulation from field supplied cable Use crimp type insulated butt connector to join...

Page 12: ...frigerant system set the address at IU AD SW as shown in the Table A 2 Refrigerant circuit address Rotary switch REF AD 1 Factory setting 0 Rotary switch REF AD 10 Factory setting 0 In the case of mul...

Page 13: ...oling temperature setting range OFF Factory setting Standard 18 to 30 C ON Extension 18 to 32 C NOTE Please do not make a standard setup and an extension setup intermingled in remote controller group...

Page 14: ...lamp Green FILTER indicator lamp Red TIMER indicator lamp Orange 7 4 2 Checking the function settings Press and hold the MANUAL AUTO button on the indoor unit for 3 seconds to check the function sett...

Page 15: ...6 Center piping and 7 Left rear piping butt the connection pipe heat insulation and indoor unit pipe heat insulation together and bind them with vinyl tape so that there is no gap 1 Rear 2 Right and...

Page 16: ...ge 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...

Page 17: ...n manual of the remote controller 2 digit numbers are corresponding to the error code in the preceding table Touch the Next Page or previous page to switch to other indoor unit information UTY RNKY UT...

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