3 EnglishRegarding places for installation• Is the air conditioner installed at a well-ventilatedplace where there are no obstacles around?• Do not use the air conditioner in the followingplaces.a. Filled with much mineral oil such as cutting oil.b. Where there is much salt such as a beach area.c. Where sulfured gas exists such as a hot-springresort.d. Where there are considerable voltage fluctua-tions.e. Vehicles and vessels.f . Where there is much spray of oil and vaporsuch as a cookery, etc.g. Where there are machines generating electro-magnetic wavesh. Filled with acid and/or alkaline steam or vapor.• Is a snow protection measure taken?For details, consult your dealer.Regarding wiring• All wiring must be performed by an authorizedelectrician.To do wiring, ask your dealer. Never do it by yourself.• Make sure that a separate power supply cir-cuit is provided for this air conditioner andthat all electrical work is carried out by quali-fied personnel according to local laws andregulations.Pay attention to running noises, too• Are the following places selected?a. A place that can sufficiently withstand theweight of the air conditioner with less runningnoises and vibrations.b. A place where the hot wind discharged from theair outlet of the outdoor unit and the runningnoises do not bother your neighbors.• Are you sure that there are no obstacles nearthe air outlet of the outdoor unit?Such obstacles may result in declined perfor-mance and increased running noises.• If abnormal noises occur in use, consult yourdealer.Regarding drainage of drain piping• Is the drain piping executed to perform com-plete drainage?If proper drainage is not carried out from the out-door drain pipes during air-conditioning operation,chances are that dust and dirt are clogged in thepipe. This may result in a water leakage from theindoor unit. Under such circumstances, stop theoperation of the air conditioner, and then consultyour dealer or our service station.4. INSTALLATION SITERefer to figure 1 on page [1]The illustrations in this operating manual corre-spond to the remote control format BRC1C type.5. NAME AND FUNCTION OF EACHSWITCH AND DISPLAY ON THEREMOTE CONTROLLER1ON/OFF BUTTONPress the button and the system will start. Pressthe button again and the system will stop.2 OPERATION LAMP (RED)The lamp lights up during operation.3DISPLAY “ ” (UNDER CENTRAL-IZED CONTROL)When this display shows, the system isUNDER CENTRALIZED CONTROL.(This is not a standard specification.)4DISPLAY “ ” “ ” “ ” (VENTILA-TION/AIR CLEANING)This display shows that the total heatexchange and the air cleaning unit are inoperation (These are optional accessories).5DISPLAY “ ” “ ” “ ” “ ”(OPERATION MODE)This display shows the current OPERATION MODE.6DISPLAY “ TEST” (INSPECTION/TESTOPERATION)When the INSPECTION/TEST OPERATION BUTTONis pressed, the display shows the system mode is in.7DISPLAY “ ” (PROGRAMMED TIME)This display shows the PROGRAMMED TIMEof the system start or stop.8 DISPLAY “ ” (SET TEMPERATURE)This display shows the set temperature.9 DISPLAY “ ” (TIME TO CLEAN AIR FILTER)Not applied on this model.10 DISPLAY “ ” (DEFROST)Refer to “DEFROST OPERATION”.11DISPLAY “ ”If indoor unit does not have a function, thisdisplay is indicated when pressing buttons forthe function.12 TIMER MODE START/STOP BUTTONRefer to “PROGRAM TIMER OPERATION”.13 TIMER ON/OFF BUTTONRefer to “PROGRAM TIMER OPERATION”.Ahr hrCNOTAVAILABLE