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Room temperature sensor switching

(Only for Wired remote controller)
When using the Wired remote controller temperature sensor, change the setting to “Both” 
(01).

(

...  Factory setting)

Function Number

Setting 

Value

Setting Description

42

00

Indoor unit

01

Both

00: Sensor on the indoor unit is active.
01: Sensors on both indoor unit and wired remote controller are active.
* Remote controller sensor must be turned on by using the remote controller.

Remote controller custom code

(Only for wireless remote controller)
The indoor unit custom code can be changed.
Select the appropriate custom code.

(

...  Factory setting)

Function Number

Setting 

Value

Setting Description

44

00

A

01

B

02

C

03

D

External input control

“Operation/Stop” mode or “Forced stop” mode can be selected.

(

...  Factory setting)

Function Number

Setting 

Value

Setting Description

46

00

Operation/Stop mode 1

01

(Setting prohibited)

02

Forced stop mode

03

Operation/Stop mode 2

Room temperature sensor switching (Aux.)

To use the temperature sensor on the wired remote controller only, change the setting to 
“Wired remote controller” (01). This function will only work if the function setting 42 is set 
at “Both” (01)
When the setting value is set to “Both” (00), more suitable control of the room temperature 
by setting function setting 30 and 31 too.

(

...  Factory setting)

Function Number

Setting 

Value

Setting Description

48

00

Both

01

Wired remote controller

Indoor unit fan control for energy saving for cooling

 Enables or disables the power-saving function by controlling the indoor unit fan rotation 
when the outdoor unit is stopped during cooling operation.

(

...  Factory setting)

Function Number

Setting 

Value

Setting description 

49

00

Disable

01

Enable

02

Remote controller

00: When the outdoor unit is stopped, the indoor unit fan operates continuously following 

the setting on the remote controller.

01: When the outdoor unit is stopped, the indoor unit fan operates intermittently at a very 

low speed.

02: Enable or disable this function by remote controller setting.

*When using a wired remote controller without Indoor unit fan control for energy saving for 

cooling function, or when connecting a single split converter, the setting cannot be made 

by using the remote controller. Set to “00” or “01”.

To con

fi

 rm if the remote controller has this function, refer to the operating manual of each 

remote controller.

Setting record

Record any changes to the settings in the following table.

Setting Description

Setting Value

Filter sign

Auto restart

Room temperature sensor switching

Remote controller custom code

External input control

Room temperature sensor switching (Aux.)

Indoor unit fan control for energy saving for cooling

After completing the FUNCTION SETTING, be sure to turn off the power and turn it on 
again.

15.2. 

Temperature correction 

NOTE:

When changing Function 95, perform this setting before other Room temp. control settings 
(Function 30, 31, 35, 36).
If Function 95 is not set 

fi

 rst, Room temperature control settings (Function 30, 31, 35, 36) 

will be reset and you must re-do them again.

Heat Insulation condition (building insulation)

Heat insulation conditions differ according to the installed environment.
“Standard insulation” (00) allows system to rapidly respond to the cooling or heating load 
changes.
“High insulation” (01) is when the heat insulation structure of the building is high and does 
not require system to rapidly respond to cooling or heating load changes.
When “High insulation” (01) is selected;
•  Overheating (overcooling) is prevented at the start-up.
•  All room temp. control settings (Function 30, 31, 35, 36) will reset to “No correction” 

(0.0°C).

(

...  Factory setting)

Function Number

Setting 

Value

Setting Description

95

00

Standard insulation

01

High insulation

Room temperature control for indoor unit sensor

Depending on the installed environment, correction of the room temperature sensor may 
be required.
Select the appropriate control setting according to the installed environment.
The temperature correction values show the difference from the “Standard setting” (00)
(manufacturer’s recommended value).
*  When Function 95-01(High insulation) is set, the “Standard setting” (00) will be the same 

as “No correction” (01) (0.0°C).

(

...  Factory setting)

Function Number

Setting 

Value

Setting Description

30

(For cooling)

31

(For heating)

00

Standard setting*

01

No correction 0.0°C

02

-0.5°C

More 

Cooling 

Less 

Heating

03

-1.0°C

04

-1.5°C

05

-2.0°C

06

-2.5°C

07

-3.0°C

08

-3.5°C

09

-4.0°C

10

+0.5°C

Less 

Cooling 

More 

Heating

11

+1.0°C

12

+1.5°C

13

+2.0°C

14

+2.5°C

15

+3.0°C

16

+3.5°C

17

+4.0°C

9333005201_IM_En_ASTG09KMCA.indd   13

9333005201_IM_En_ASTG09KMCA.indd   13

2017/1/20   11:43:07

2017/1/20   11:43:07

Summary of Contents for ASTG12CMCB

Page 1: ...ult experienced service technicians for disconnection and reinstallation of the unit Do not place any other electrical products or household belongings under indoor unit or outdoor unit Condensation dripping from the unit might get them wet and may cause damage or malfunction of your property Be careful not to scratch the air conditioner when handling it After installation explain correct operatio...

Page 2: ...onents During repairs to sealed components all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers etc If it is absolutely necessary to have an electrical supply to equipment during servic ing then a permanently operating form of leak detection shall be located at the most critical point to warn of a potentially hazardous situation P...

Page 3: ...hall be complete with leak free disconnect couplings and in good condition Before using the recovery machine check that it is in satisfactory working order has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release Consult manufacturer if in doubt The recovered refrigerant shall be returned to the refrigerant supp...

Page 4: ...t piping 4 ELECTRICAL REQUIREMENT The indoor unit is powered from the outdoor unit Do not power indoor unit from separate power source WARNING Standard for electrical wiring and equipment differs in each country or region Before you start electrical working confirm related regulations codes or standards Cable Conductor size mm2 Type Remarks Connection cable 1 5 Type 60245 IEC 57 3 cable Earth Grou...

Page 5: ... an electric discharge 6 4 Installing the wall hook bracket Remove the wall hook bracket from the indoor unit Remove 2 screws 1 Install the wall hook bracket so that it is correctly positioned horizontally and vertically If the wall hook bracket is titled water will drip to the floor 2 Install the wall hook bracket so that it is strong enough to support the weight of the unit Fasten the wall hook ...

Page 6: ...r water from entering the pipes Die A Pipe B L Check if L is flared uniformly and is not cracked or scratched Pipe outside diameter mm in Dimension A mm Dimension B mm Flare tool for R32 clutch type 6 35 1 4 0 to 0 5 9 1 9 52 3 8 13 2 12 70 1 2 16 6 15 88 5 8 19 7 19 05 3 4 24 0 When using conventional flare tools to flare R32 pipes the dimension A should be approx imately 0 5 mm more than indicat...

Page 7: ...lastic jacket portion but not at the insulator portion If the insulator is chafed electric leakage may occur Always connect the earth ground wire Improper earthing grounding work can cause electric shocks Do not use the earth ground screw for the indoor unit to the outdoor unit unless it is specified 7 ELECTRICAL WIRING CAUTION Be careful not to generate a spark as follows for using a flammable re...

Page 8: ...val 2 Remove 3 caps 3 Remove wire cover 4 Remove 7 screws Screws Wire cover Screws 6 position Caps 3 position Wire cover 5 The front panel is pulled to the front raising the upper surface and a front panel is removed Front panel 9 2 Front panel installation 1 First fit the lower part of the front panel and insert top and bottom hooks 3 top sides 2 center Indoor unit Front panel Latches 2 position ...

Page 9: ...l kit confirm whether the air conditioner receives the signal from the remote controller Do not connect the wired remote controller to the terminal for power supply When connecting the wired remote controller with the indoor unit use the connecting cable that is supplied with wired remote controller or simple remote controller Recommended cable length of wired remote controller is 10 m When you ex...

Page 10: ...nd pull off the lock at the side of the connector insertion part CAUTION Be careful not to damage the parts on the board Otherwise it will cause malfunction Connector number CN 5 Connector number CN 4 Connector number CN 10 Connector number CN 7 Symbol indicating the location printed on the board 4 Remove the wires from the three fixtures See the figure below Leave the thick green wire in fixture ...

Page 11: ... in the oval circles below Then connect the connectors in the squares to the terminals respectively Each terminal should form a pair with a connector CAUTION Ensure that the connector is properly inserted Otherwise it may result in erroneous operation Be careful not to damage the parts on the board Otherwise it will cause malfunction 4 Wired remote controller cable External connect kit cable sold ...

Page 12: ...ress the RESET button to enter the function setting mode Selecting the Function Number and Setting Value Reverse cycle model 1 Press the TEMP buttons to select the func tion number Press the 10 C HEAT button to switch between the left and right digits 2 Press the POWERFUL button to proceed to setting value Press the POWERFUL button again to return to the function number selection 3 Press the TEMP ...

Page 13: ... converter the setting cannot be made by using the remote controller Set to 00 or 01 To confirm if the remote controller has this function refer to the operating manual of each remote controller Setting record Record any changes to the settings in the following table Setting Description Setting Value Filter sign Auto restart Room temperature sensor switching Remote controller custom code External ...

Page 14: ...peration Error display Wired remote controller Error code Description OPERATION lamp green TIMER lamp orange ECONOMY lamp green 1 1 Serial communication error 1 2 Wired remote controller communication error 1 5 Check run unfinished 1 6 Peripheral unit transmission PCB connection error 1 8 External communication error 2 1 Unit number or Refrigerant circuit address setting error Simultaneous Multi 2...

Page 15: ...rror 9 9 4 way valve error 9 10 Coil expansion valve error 10 1 Discharge temp error 10 3 Compressor temp error 10 4 High pressure error 10 5 Low pressure error 13 2 Branch boxes error Flexible Multi Display mode 0 5s ON 0 5s OFF 0 1s ON 0 1s OFF Number of flashing Troubleshooting with the indoor unit display OPERATION indicator green TIMER indicator orange ECONOMY indicator green Troubleshooting ...

Page 16: ......

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