Safety Precautions
To prevent leakage and electric shock due to ingress of water or insects, fill the wiring through hole with putty. Do not wash the remote control with water, as this may result in electric shock or fire. Install the indoor and outdoor units, power cord and connecting wires at least 1 meter away from televisions or radios to prevent interference and noise.
Electromagnetic radiation may disrupt the operation of the control system and result in poor operation of the unit. Where flammable gas may leak, where carbon fibers or flammable dust suspensions are present in the air or where volatile flammable substances such as paint thinner or petrol are handled. If water enters the remote control, it may cause an electric shock and may malfunction the internal electronics.
Which is not affected by the outside air or drafts, for example by opening/closing doors, the air outlet of the indoor unit or the like.
Accessories
Remote controller installation procedure
3-3 Determine the direction of the controller's wiring outlet (rear outlet, left outlet, upper left outlet, upper center outlet). Remote control installation procedure The sheath section in the remote control box must be stripped according to these instructions. For easy wiring, it is better to keep ±10mm difference between the length of the two wires.
Seal the wiring pull port tightly with caulking (field supply) to prevent entry of insects or the like. In the case of connecting the remote control via the top center socket or rear socket, make the connection through the output hole on the bottom box before installing it on the wall. Connect the upper cover to the lower letter tabs (6 points) and insert the upper case.
Take care that dust or moisture does not touch the removed top box PCB.
Functions and menu items of the remote controller buttons
The backlight will turn on for about 30 seconds when one of the buttons is pressed. Actions associated with the buttons, except for the On/Off button, are not performed when the backlight is not on. When two remote controllers are used to control a single indoor unit, the backlight of the remote controller used first will light up.
The Auto Display Off function enables the display to turn off automatically after a certain period of time. For instructions on how to set and enable Auto Display Off, refer to the user guide.
Power-on
5-6 If the sub remote control is not set when turning on when an indoor unit is controlled by two remote controllers, "Error code U5" is displayed on the connection control screen. 5-7 Select the sub remote control by pressing the operation mode selection button of one of the remote controls for 4 seconds or more. Press and hold the operating mode selection button of the sub remote control for 4 seconds or.
If the basic screen does not appear for more than 2 minutes after "Sub RC" is displayed, turn off the power and check the wiring.
Field settings
When an optional accessory is installed on the indoor unit, the indoor unit settings can be changed. For details about the field settings of the indoor unit, see the installation manual supplied with the indoor unit. Filter Contamination - Heavy/Light Setting for when the "Time to Clean the Air Filter" icon is displayed (when the filter contamination is severe, the time to clean the air filter should be halved).
Long life filter type (filter sign indication time setting). Change the setting if an ultra-long filter is installed). Combined use (with indoor thermistor) Do not use Use only — 3 Setting for when the filter sign does not work. 1 Airflow direction selection (setting for when an airflow blocking kit is installed).
Test operation method (SkyAir only)
-9 After confirming correct airflow operation, press the Menu/Enter button to return to the basic screen. -11 Select Test Operation from the Service Settings menu and press Menu/. The basic screen returns and normal operation is possible. -13 If the decoration panel is not installed, turn off the power after the test run is completed.
If the internal work is not completed when the test run is completed, explain to the customer that he should not use the unit until the internal work is completed to protect the indoor unit. If the indoor unit is in operation, the indoor unit may be contaminated with materials released from paints or adhesives during indoor operation, and water splashes or water leaks may occur.). If it is not possible to use the unit due to a malfunction, refer to the malfunction diagnosis method.
After the test run is finished, check that the fault code history is not displayed on the maintenance information screen according to the following procedure. 7-17 If the last error code is displayed, perform the malfunction diagnosis according to the "Error Code List" in the indoor unit installation manual. After the malfunction diagnosis is complete, press and hold the power button for 4 seconds or more v.
If no error code is displayed when following this procedure, the system has completed the test run normally. When the remote control displays any item in the table below, inspect the details in the table. Perform malfunction analysis by referring to "Error code list" in the indoor unit installation manual.
Although "Checking the connection, please wait" is displayed for up to 90 seconds after power-on, this does not indicate a malfunction.
Checking procedure of Error History
Registration method of the Maintenance Contact information
Confirmation of registered details
Energy demand control
To make Question visible among the service settings, the clock must be set.
Clock & Calendar
Language
3 Use the (Up/Down) buttons to select the desired language and press the Menu/Enter button.
Prohibit Buttons
Follow the same procedure to activate the Menu/Enter and Cancel button on the base screen. If you want to limit the number of buttons that can be operated on the sub remote, start by connecting only this controller to the unit. Make sure this controller is set to "main" (factory setting), change the restrictions to the setting you prefer, and only then set the remote to "sub".
Function Prohibition
If you want to limit the number of control functions on the auxiliary remote control, start by connecting only that control to the unit. Make sure this controller is first set to "master" (factory set), change the restrictions to the desired setting, and then set the remote to "auxiliary".
Prohibit Mode
When the currently active mode is locked, that mode will still be active when you return to the basic screen. When all modes are locked, it is not possible to switch to a mode other than the currently active mode. If you want to limit the number of operation modes on the sub remote control, start by connecting only this controller to the unit.
Duty Rotation and Backup
External Input Interlock Function
B2 Delay Timer B2 Reset Timer Reset On/Off Reset Mode Reset Cool SP Reset Heat SP. The device returns to the previous state before the contact is opened if the reset timer has not expired. The device will return to the "Default Reset Setting" mode (menu setting) if the reset timer has expired.
Changes made when the key card contact is open and the delay timer has not expired (normal operation) are not saved when you close the contact again. The window contact takes precedence over the delay timer and key card contact return functionality:. When the window contact is opened while the key card contact is open, the delay timer will expire immediately if it is still running and the return will no longer work.
When the key card contact is open while the window contact is open, the delay timer starts. When the reset timer expires, the previous state is updated to the "Default Reset Setting" state. a) Remove the key card, the unit will operate normally until the delay timer expires. The unit cannot be turned on or off, the ramp down function does not work, the delay timer stops counting and the reset timer starts counting.
If the reset timer has expired before the keycard is inserted, the previous state is the "Default Reset Setting" state. The unit cannot be turned on with the On/Off button, the reset function does not work and the delay timer does not start counting. If the delay timer has not expired before the window is closed, the delay timer will expire immediately and the reset timer will start counting.
If the reset timer has not expired before the keycard is inserted, the unit returns to the state before the window was opened (last on state). If the reset timer has expired before the keycard is inserted, the unit will enter the "Default Reset Setting" state.
Single and Dual setpoint mode
When the cooling setpoint is lowered below the heating setpoint + minimum setpoint differential, the heating setpoint is lowered automatically. When the heating set point is increased above the cooling set point - minimum set point difference, the cooling set point is automatically increased.
Other Service Settings
This function can be used to check which indoor unit number is associated with which indoor unit. Changing the main/sub designation requires turning the power OFF and ON again.NOTE 20-7 Filter Indicator. When Filter Auto-Cleaning is disabled (Disable Filter Auto-Cleaning), the message "Automatic filter cleaning is disabled" will be shown when the Test Filter Auto-Cleaning screen is opened.
If disabled, the message “Automatic Filter Cleaning Disabled” will be displayed when you enter the Test Filter Auto Clean and Filter Auto Clean screens.
Software update with Updater
Connection diagram
