Mitsubishi Heavy Industries FDC Series Technical Manual Download

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241

'12 • PAC-T-173

Function Setting by Remote Controller

Note 3: As for plural indoor unit, set indoor functions to each master and slave indoor unit.
But only master indoor unit is received the setting change of indoor unit function “05 EXTERNAL
INPUT” and “06 PERMISSION / PROHIBISHION”.

The initial function setting for typical using is performed automatically for a remote control unit and an indoor unit by the door unit connected, when
remote controller and inside unit are connected.
As long as they are used in a typical manner, there wiil be no need to change the initial settings.
If you would like to change the initial setting marked “ ”, set your desired setting as for the selected item.
The procedure of functional setting is shown as the following diagram.
As for detail of setting, refer to the installation manual of remote controller.

[Flow of function setting]

Start

: While indoor unit do not operate, press “ ” (SET) and “ ” (MODE) button for 3 seconds at the same time.

Finalize : Press “ ” (SET) button.
Reset

: Press “ ” (RESET) button.

Select : Press button.
End

: Press button.

It is possible to finish above setting on the way, and unfinished change of setting is unavailable.
“ ” : Initial settings
“ ” : Automatic criterion
As for detail, refer to the installation manual of remote controller.

Only when plural indoor units are connected
Indoor No. selection

When you use at 50Hz area
When you use at 60Hz area

Automatic operation is impossible

(Remote controller function)

Temperature setting button is not working

Make permission/prohibition control of function be in effect.

Function

setting

Mode button is not working

On/Off button is not working

Fan speed button is not working

Louver button is not working

Timer button is not working

Heating preparation indication should not be indicated.

ON/OFF button (finished)

The filter sign is indicated after running for 180 hours.
The filter sign is indicated after running for 600 hours.
The filter sign is indicated after running for 1000 hours.
The filter sign is indicated after running for 1000 hours, then it will be stopped by compulsion after 24 hours.

If to change the indoor function "04 ",
The remote control function "14 " should be changed accordingly.
Select the louver stop position in four.
The louver can stop at any positon.

With the VRF series, it is used to stop all indoor units connected with the same outdoor unit immediately.
When stop signal is inputed from remote on-off terminal "CNT-6", all indoor units are stopped immediately.

To be reset for pro3.0°C increase in temperature during heating.
To be reset for pro2.0°C increase in temperature during heating.
To be reset for pro1.0°C increase in temperature during heating.

To be reset pro2.0°C increase in return air temperature of indoor unit.
To be reset pro1.5°C increase in return air temperature of indoor unit.
To be reset pro1.0°C increase in return air temperature of indoor unit.

To be reset producing -1.0°C increase in return air temperature of indoor unit.
To be reset producing -1.5°C increase in return air temperature of indoor unit.
To be reset producing -2.0°C increase in return air temperature of indoor unit.

When heating thermostat is off, to be operated with low air flow.
When heating thermostat is off, to be operated with set air flow.

When heating thermostat is off, to be operated intermittently.
When heating thermostat is off, the fan stops.
When the remote thermistor is working, "FAN OFF" is set automatically.
Do not set when the indoor unit's thermistor is working.

Drain pump is on during cooling and dry.
Drain pump is on during cooling, dry and heating.
Drain pump is on during cooling, dry, heating and fan.
Drain pump is on during cooling, dry and fan.

After cooling is stopped or cooling thermostat is off, the fan does not perform extra operation.
After cooling is stopped or cooling thermostat is off, the fan perform extra operation for half an hour.
After cooling is stopped or cooling thermostat is off, the fan perform extra operation for an hour.
After cooling is stopped or cooling thermostat is off, the fan perform extra operation for six hours.

After heating is stopped or heating thermostat is off, the fan does not perform extra operation.
After heating is stopped or heating thermostat is off,the fan perform extra operation for half an hour.
After heating is stopped or heating thermostat is off,the fan perform extra operation for two hours.
After heating is stopped or heating thermostat is off, the fan perform extra operation for six hours.

During heating is stopped or heating thermostat is off, the fan perform intermittent operation for five minutes after twenty minutes' off
with low airflow.
During heating is stopped or heating thermostat is off, the fan perform intermittent operation for five minutes after five minutes' off with
low airflow.

Working only with the single split series.
To control frost prevention, the indoor fan tap is raised.

Change of indoor heat exchanger temperature to start frost prevention control.

Function

setting

Remote thermistor is not working.
Remote thermistor is working.
Remote thermistor is working, and to be set for pro3.0°C increase in temperature.
Remote thermistor is working, and to be set for pro2.0°C increase in temperature.
Remote thermistor is working, and to be set for pro1.0°C increase in temperature.
Remote thermistor is working, and to be set for producing -1.0°C increase in temperature.
Remote thermistor is working, and to be set for producing -2.0°C increase in temperature.
Remote thermistor is working, and to be set for producing -3.0°C increase in temperature.

If you want to change the remote control function "14 ",
You must change the indoor function "04 " accordingly.
You can select the louver stop position in the four.
The louver can stop at any position.

Temperature indication is by degree C
Temperature indication is by degree F

If to change re-set with other indoor
unit, push AIRCON NO.
button, and indoor selection indication
(for example: I/U 000) is set back.

Consult the technical data etc. for each control details

Record and save the

setting

(Note3)

(Note2)

The functional setting

Connect the Single split series and the VRF series to the indoor board CNT and indoor board CND respectively. If a
ventilation device is connected, been geared with the motion of indoor device, the ventilation device is operated/stopped.
By connecting the ventilation device with the Single split series device to indoor board CNT, the VRF series device to
CND, you can operate/stop the ventilation device independently by the handling of ventilation button.

If you change the range of set temperature, the indication of set temperature will vary following the control.
If you change the range of set temperature, the indication of set temperature will not vary following the control, and
keep the set temperature.

If you input into the indoor printed circuit board CNT from outside, the indoor device will be operated independently
following the input from outside.
If you input into indoor printed circuit board CNT from outside, All units which share the same one remote control
network work following the input from outside.

During air-conditioner stopping push
(SET) + (MODE) button

simultaneously for 3 seconds

In normal working indication, indoor unit temperature is indicated instead of airflow.
(Only the master remote control can be indicated. )

Note 2: Fan setting of “HIGH SPEED”

Initial function setting of some indoor unit is “HIGH SPEED”

Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically
defined as following table.

Function No.

Function 02 of
remote controller

Function 06 of
remote controller

Function 07 of
remote controller

Function 13 of
remote controller

Function 15 of
remote controller

Default

Model

"Auto-RUN" mode selectable indoor unit.

Item

Indoor unit with two or three step of air flow setting
Indoor unit with only one of air flow setting
Indoor unit with automatically swing louver
Indoor unit without automatically swing louver
Indoor unit with three step of air flow setting
Indoor unit with two step of air flow setting

Indoor unit with only one of air flow setting

Heat pump unite
Exclusive cooling unite

Indoor unit without "Auto-RUN" mode

(Indoor unit function)

Airflow of fan becomes the three speed of - - or - - - .
Airflow of fan becomes the two speed of - .
Airflow of fan becomes the two speed of - .
Airflow of fan is fixed at one speed.

STANDARD

FAN SPEED SET

Fan tap

HIGH SPEED1, 2

UH - Hi

UH - Me

UH - Hi - Me

Hi - Lo

Hi - Me

Hi - Me - Lo

UH - UH - Hi - Me

UH - Hi - Me - Lo