8Refer to figure 1 on page 3The illustrations in this operating manual corre-spond to the remote control format BRC1C type.Refer to figure 1 on page 3• To protect the unit, turn on the main power switch6 hours before operation.• If the main power supply is turned off during oper-ation, operation will restart automatically after thepower turns back on again.5. NAME AND FUNCTION OF EACHSWITCH AND DISPLAY ON THEREMOTE CONTROLLER1ON/OFF BUTTONPress the button and the system will start.Press the button again and the system willstop.2 OPERATION LAMP (RED)The lamp lights up during operation.3DISPLAY “ ” (UNDER CENTRAL-IZED CONTROL)When this display shows, the system isUNDER CENTRALIZED CONTROL.4DISPLAY “ ” “ ” “ ” “ ” “ ”(OPERATION MODE)This display shows the current OPERATIONMODE.5DISPLAY “ TEST” (INSPECTION/TESTOPERATION)When the INSPECTION/TEST OPERATIONBUTTON is pressed, the display shows thesystem mode is in.6DISPLAY “ ” (PROGRAMMED TIME)This display shows the PROGRAMMEDTIME of the system start or stop.7 DISPLAY “ ” (SET TEMPERATURE)This display shows the set temperature.8 DISPLAY “ ” (FAN SPEED)This display shows the set fan speed.9 DISPLAY “ ” (AIR FLOW FLAP)Refer to “AIR FLOW DIRECTION ADJUST”.10DISPLAY “ ” (TIME TO CLEAN AIR FIL-TER)Refer to “HOW TO CLEAN THE AIR FILTER”.11 DISPLAY “ ” (DEFROST)Refer to “DEFROST OPERATION”.12NON-FUNCTIONING DISPLAYIf that particular function is not available,pressing the button may display the words“NOT AVAILABLE” for a few seconds.13 TIMER MODE START/STOP BUTTONRefer to “PROGRAM TIMER OPERATION”.hrhrF14 TIMER ON/OFF BUTTONRefer to “PROGRAM TIMER OPERATION”.15INSPECTION/TEST OPERATION BUTTONThis button is used only by qualified servicepersons for maintenance purposes.16PROGRAMMING TIME BUTTONUse this button for programming “START and/or STOP” time.17TEMPERATURE SETTING BUTTONUse this button for SETTING TEMPERA-TURE.18 FILTER SIGN RESET BUTTONRefer to “HOW TO CLEAN THE AIR FILTER”.19FAN SPEED CONTROL BUTTONPress this button to select the fan speed,HIGH or LOW, of your choice.20OPERATION MODE SELECTOR BUTTONPress this button to select OPERATIONMODE.21 AIR FLOW DIRECTION ADJUST BUTTONRefer to “AIR FLOW DIRECTION ADJUST”.NOTE• For the sake of explanation, all indications areshown on the display in figure 1 on page 3 con-trary to actual running situations.6. OPERATION PROCEDURE