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7.3. Function setting

• FUNCTION SETTING can be performed with the wired or wireless remote controller.

(The remote controller is optional equipment)

• Refer to the wired or wireless remote controller manual for detailed setting information.

• Refer to "7.1. Setting the address" for indoor unit address and refrigerant circuit address

settings.

• Turn the power of the indoor unit ON before starting the setting.

* Turning on the power to the indoor units initializes EEV, so make sure the piping air tight

test and vacuuming have been conducted before turning on the power.

* Also check again to make sure no wiring mistakes were made before turning on the

power.

Function details

Function

Setting number

number

00 Standard

Filter indica-

01 Longer

tor interval

02 Shorter

00 Enable

01 Disable

Filter indica-

Display only

tor action

on central

remote

controller

00 Standard

Ceiling

airflow

01 High Ceiling

Vertical

00 Standard

airflow

direction

01 Adjust

00 Standard

Cool air

temperature

01 Adjust (1)

trigger

02 Adjust (2)

00 Standard

Heat air

01 Adjust (1)

temperature

02 Adjust (2)

trigger

03 Adjust (3)

00 Enable

Auto restart

01 Disable

00 Super low

Cool Air

Follow the

Prevention

setting on

the remote

controller

00 Start/Stop

Emergency

stop

External

control

02 Forced stop

00 All

Error report

Display only

target

on central

remote

controller

Follow the

Fan set-

setting on

ting when

the remote

cooling

controller

thermostat

OFF

01 Stop

(Forbidden)

En-11

Default

Details

○

Adjust the filter cleaning interval

notification. If the notification

is too early, change to setting

01. If the notification is too late,

change to setting 02.

○

Enable or disable the filter indi-

cator. Setting 02 is for use with a

central remote controller.

○

Regulate the airflow according

to the needs of the installation

location. When set to 01, the air

flow will be stronger. (Cassette

type only)

○

Adjust the vertical airflow direc-

tion. All airflow direction louvers

are adjusted together.

○

Adjust the cool air trigger

temperature. To lower the trigger

temperature, use setting 01. To

raise the trigger temperature,

use setting 02.

○

Adjust the heat air trigger

temperature. To lower the trigger

temperature by 6 degrees C, use

setting 01. To lower the trigger

temperature by 4 degrees C, use

setting 02. To raise the trigger

temperature, use setting 03.

Enable or disable automatic

system restart after a power

○

outage.

○

Restrain the cold airflow with

making the airflow lower when

starting heating operation. To

correspond to the ventilation,

set to 01.

○

Allow an external controller to

start or stop the system, or to

perform an emergency stop.

* If an emergency stop is

performed from an external

controller, all refrigerant

systems will be disabled.

* If forced stop is set, indoor

unit stops by the input to the

external input terminals, and

Start/Stop by a remote control-

ler is restricted.

○

Change the target for reporting

errors. Errors can either be re-

ported in all locations, or only on

the central remote controller.

When set to 01, the fan stops

when the thermostat is OFF in

○

cooling operation. Connection

of the wired remote control-

ler (2-wire type or 3-wire type)

and switching its thermistor are

necessary.

○

Function

Setting number

number

(Forbidden)

Single

setpoint auto

mode

Auto mode

(traditional)

type

Dual setpoint

auto mode

00 0°C

01 0.5°C

02 1.0°C

03 1.5°C

04 2.0°C

Deadband

value

05 2.5°C

06 3.0°C

07 3.5°C

08 4.0°C

09 4.5°C

8. CASSETTE GRILLE INSTALLATION

• Operate according to the installation Manual CASSETTE GRILLE.

• Be sure to confirm there is no gap between the cassette grille and main unit after install-

ing the CASSETTE GRILLE.

9. TEST RUN

9.1. Test run using Outdoor unit (PCB)

Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to be

used for the test run.

9.2. Test run using remote controller

• Refer to the Installation Manual for the remote controller to perform the test run using the

remote controller.

• When the air conditioner is being test run, the OPERATION and TIMER indicator lamp

flash slowly at the same time.

10. CHECK LIST

Pay special attention to the check items below when installing the indoor unit(s). After

installation is complete, be sure to check the following check items again.

Check items

Has the indoor unit been installed

correctly?

Has there been a check for gas leaks

(refrigerant pipes)?

Has heat insulation work been com-

pleted?

Does water drain easily from the indoor

units?

Is the voltage of the power source the

same as that indicated on the label on

the indoor unit?

Are the wires and pipes all connected

completely?

Is the indoor unit earthed (grounded)?

Is the connection cable the specified

thickness?

Are the inlets and outlets free of any

obstacles?

Does start and stop air conditioner

operation by remote control unit or

external device?

After installation is completed, has the

proper operation and handling been

explained to the user?

Default

Details

○

Switch the setting method of

auto mode to single or dual

○

(cooling/heating).

For heat pump systems, it is

necessary to set the master

indoor unit (by wired remote

controller).

Choose the minimum temperature

between cooling and heating

settings (deadband) for Dual

setpoint auto mode (set in No. 68).

If not performed correctly

Vibration, noise, indoor unit may

drop

No cooling, No heating

Water leakage

No operation, heat or burn damage

Short circuit

No operation, heat or burn damage

No cooling, No heating

No operation

Check

box