Daikin Air Conditioner Controller Operation Manual

A. Operating Guide

1. Upon power up of the unit, the LCD displays the main display screen:

2. Press the [ON/OFF Button] for 1 second to switch on the unit if the status shows OFF. The status will change to ON. The ON/OFF LED will light up.

3. Press the [COOL Button] for 1 second if cooling is required or the [HEAT Button] if heating is required.

4. The 'Set Temp' refers to temperature setting.

5. Press the [Down Arrow] button once to view the compressor(s) on, off or defrost status.

6. Press the [Down Arrow] button again to view the temperature for room and outdoor ambient.

7. Press the [Down Arrow] button again to view the selected type for unit, number of compressor used, indoor fan 'always on' option, model and EEPROM version.

8. Press the [Up Arrow] button to return to previous screen(s) or [ESC] to return to main screen.

9. Press the [ALARM Button] to view or clear the alarm history. If alarm occurs, contact your dealer or serviceman.

Note: Display diagram is for illustration purpose only. It may differ for different models. The display information shall be subjected to the setting in the main controller board.

B. Main Menu

Changes can be made to the factory setting parameter. This is done in the Main Menu. Press [ENTER] button to go into the Main Menu.

The Main Menu consists of Operation Menu, Settings Menu, Timer Menu, Alarm Menu, Warning Menu and Display Menu.

How to use the Main Menu?

1. Press [ENTER] to view the sub-Menu under Main Menu.
2. Go to the sub-Menu you want by pressing the [Up Arrow] or [Down Arrow] button. Press [ENTER] to select the sub-Menu.
3. Go to the parameter you want to change or view by pressing the [Up Arrow] or [Down Arrow] button. Press [ENTER] to select this parameter.
4. Change the parameter by pressing the [Up Arrow] or [Down Arrow] button. Once completed press [ENTER]. Press [ESC] to go back to previous screen until you see the initial display screen.

Operation Menu

This menu enables us to set the unit status (on or off), set the unit operation mode, change the temperature setting, and manually defrost the unit (applicable for heating mode only).

Some basic settings can be done here. Press [Up Arrow] or [Down Arrow] to select the required setting. Then, press [ENTER] to enter the setting mode. Press [Up Arrow] or [Down Arrow] to toggle the setting. Press [ENTER] again to confirm the setting. Press [ESC] to exit to [Main Menu].

Settings Menu

This menu enables us to set the parameters for unit operation (requires password entering), user setting, change password, set panel option and unlock panel.

The panel option enables us to set the LCD backlight and contrast, set the alarm buzzer, enable and disable the screen saver and set a screen saver timeout and set the temperature display in °C or °F.

Note: The Set Parameter in the setting menu requires password for any changes to or to view its parameter.

CAUTION: All the password entering must be done by local dealer/serviceman. User is not allowed to change the value of the set parameter as this may cause damage to unit or deter its operation.

Some advance settings can be found here. Press [Up Arrow] or [Down Arrow] to select the required setting. Then, press [ENTER] to enter the setting mode. Press [Up Arrow] or [Down Arrow] to toggle the setting. Press [ENTER] again to confirm the setting. Press [ESC] to exit to [Main Menu].

Panel Option

Select [Panel Option] in [Settings Menu] and press [ENTER] to go to this menu.

Press [Up Arrow] or [Down Arrow] to select the required setting, [ENTER] to enter into the setting. Press [Up Arrow] or [Down Arrow] to select the required option, [ENTER] to select the option. Press [ESC] to exit to [Settings Menu].

Note: Display diagram is for illustration purpose only. It may differ for different models. The display information shall be subjected to the setting in the main controller board.

Timer Menu

Select [Timer Menu] in [Main Menu] and press [ENTER] to go to this menu.

All the timer/schedule settings are included in this menu. Press [Up Arrow] or [Down Arrow] to select the required setting. Then, press [ENTER] to enter the setting mode. Press [Up Arrow] or [Down Arrow] to toggle the setting. Press [ENTER] again to confirm the setting. Press [ESC] to exit to [Main Menu].

Clock Setting

Select [Clock Setting] in [Timer Menu] and press [ENTER] to go to this menu.

Press [Up Arrow] or [Down Arrow] to select the required option. Then, press [ENTER] to enter the setting mode. Press [Up Arrow] or [Down Arrow] to toggle the setting. Press [ENTER] again to confirm the setting. Press [ESC] to exit to [Timer Menu].

Date Setting

Select [Date Setting] in [Timer Menu] and press [ENTER] to go to this menu.

Press [Up Arrow] or [Down Arrow] to select the required option, [ENTER] to select the option. Press [ESC] to exit to [Timer Menu].

Timer Schedule

Select [Timer Schedule] in [Timer Menu] and press [ENTER] to go to this menu.

This is the 7 days programmable timer schedule menu. There are 3 ON/OFF events in one day. User can choose to set each day (Sunday - Saturday) ON/OFF timer. Before this schedule can function, user needs to set the [Timer] in [Timer Menu] to enable. Press [ESC] to exit to [Timer Menu].

Note: Display diagram is for illustration purpose only. It may differ for different models. The display information shall be subjected to the setting in the main controller board.

Alarm Menu/Warning Menu

Select [Alarm Menu]/[Warning Menu] in [Main Menu] and press [ENTER] to go to this menu.

This place keeps records for all previous occurred faults/alarms/warnings. User can view or clear these records. The panel can keep up to 20 faults/alarm warning records. Press [ESC] to exit to [Main Menu].

Show Alarms/Show Warnings

Select [Show Alarms]/[Show Warnings] in [Main Menu] and press [ENTER] to go to this menu.

The record shows: - Alarm/Warning description - Alarm/Warning occurance date - Alarm/Warning occurance time. Besides that, user can erase the alarm/warning record(s) in this menu (password is required). Press [ESC] to exit to [Alarm Menu]/[Warning Menu].

Display Menu

Select [Display Menu] in [Main Menu] and press [ENTER] to go to this menu.

This menu displays indoor heat exchanger sensor(s) temperature, outdoor heat exchanger sensor(s) temperature, discharge sensor(s) temperature, solenoid valve(s) operation status, compressor(s) run time record, EXV opening pulse, economizer operation status (applicable for unit with economizer only), filter checking time, control type and software version. Some of the submenu may require password for entering. Besides that, user can clear the compressor run time record (password is required). Press [ESC] to exit to [Main Menu].

Note: Display diagram is for illustration purpose only. It may differ for different models. The display information shall be subjected to the setting in the main controller board.

C. Installation

When installing the LCD panel to the bracket:

1. Step 1: Hook the LCD panel from the bottom first.
2. Step 2: Push to fasten the LCD panel to the bracket.

When removing the LCD panel from the bracket:

1. Step 1: Remove the LCD panel from the top part first.
2. Step 2: Remove the LCD panel.

1. A 3V DC battery is supplied with the LCD. It is used to ensure that the LCD displays real time once the timer is set.

2. The LCD is wired to the main board via CN8 connection.

Manufacturer Information

The manufacturer reserves the right to revise any of the specification and design contain herein at any time without prior notification.

DAIKIN INDUSTRIES, LTD.

Head office:
Umeda Center Bldg., 2-4-12, Nakazaki-Nishi, Kita-ku, Osaka, 530-8323 Japan

Tokyo office:
JR Shinagawa East Bldg., 2-18-1, Konan, Minato-ku, Tokyo, 108-0075 Japan

Website: https://www.daikin.com/global_ac/