User manual HITACHI RAK50NH4

[. . . ] RAC25NH4/RAK25NH4 RAC35NH4/RAK35NH4 RAC50NH4/RAK50NH4 RAK25NH4 RAK35NH4 RAK50NH4 RAC25NH4 RAC35NH4 RAC50NH4 SAFETY PRECAUTION q q q Please read the "Safety Precaution" carefully before operating the unit to ensure correct usage of the unit. Pay special attention to signs of " !The "Warning" section contains matters which, if not observed strictly, may cause death or serious injury. The "Caution" section contains matters which may result in serious consequences if not observed properly. [. . . ] After room temperature reaches the preset temperature, the cooling operation, which changes the fan speed and room temperature to obtain optimum conditions for natural healthful cooling will be performed. q For the cooling operation q ­ 10 ­ HOW TO SET THE TIMER Time, Day, Month TIME, DAY, MONTH (current time, day, month) After you change the batteries; Set the current month and day with the TIMER control button. 1 M D M D OFF TIMER RESET ON TIMER RESERVE CANCEL OFF-Timer Press the (OFF-TIMER) button. The (OFF) mark blinks on the display. Start 1 STOP AM You can set the device to turn off at the present time. ON-Timer Stop Start q The device will turn on at the designated times. Press the (ON-TIMER) button the (ON) mark blinks on the display. 1 AM ON/OFF-Timer Start Stop 1 Press the button so that the mark blinks. (ON-OFF) (OFF) 2 Set the turn-off time with the TIMER control button. Press the (RESERVE) button. PM 3 Press the (ONTIMER) button so that the (OFF) mark lights and the (ON) mark blinks. PM q The device will turn on (off) and off (on) at the designated times. q The switching occurs first at the preset time that comes earlier. q The arrow mark appearing on the display indicates the sequence of switching operations. PM AM How to Cancel Reservation Point the signal window of the remote controller toward the indoor unit, and press the (CANCEL) button. The (RESERVED) sign goes out with a beep and the (TIMER) lamp turns off on the indoor unit. NOTE You can set only one of the OFF-timer, ON-timer and ON/OFF-timer. ­ 11 ­ Press the (TIME) button. 2 3 Set the current time with the 4 Press the TIMER control button. (TIME) button again. The time indication starts lighting instead of flashing. q The time indication will disappear automatically in 10 second. PM AM PM q To check the current time setting, PM press the (TIME) button twice. Example: The current time is 1:30 p. m. The setting of the current time is now complete. Set the turn-off time with the TIMER control button. PM 2 3 Point the signal window of the remote controller toward the indoor unit, and press the (RESERVE) button. The (OFF) mark starts lighting instead of flashing and the sign (RESERVED) lights. A beep occurs and the (TIMER) lamp lights on the indoor unit. PM Example: The device will turn off at 11:00p. m. The setting of turn-off time is now complete. 2 Set the turn-on time with the TIMER control button. 3 Point the signal window of the remote controller toward the indoor unit, and press the (RESERVE) button. The (ON) mark starts lighting instead of flashing and the (RESERVED) sign lights. A beep occurs and the (TIMER) lamp lights on the indoor unit. Example: The device will automatically turn on earlier so that the preset temperature can be reached at 7:00 a. m. The setting of the turn-on time is now complete. AM AM Set the turn-on time with the TIMER control button. 4 Point the signal window of the remote controller toward the indoor unit, and press the (RESERVE) button. The (ON) mark starts lighting instead of flashing and the (RESERVED) sign lights. A beep occurs and the (TIMER) lamp lights on the indoor unit. PM 5 PM AM AM Example: The device will turn off at 10:30 p. m. and then automatically turn on earlier so that the preset temperature can be reached at 7:00 a. m. The settings of the turn-on/off times are now complete. q The timer may be used in three ways: off-timer, on-timer, and ON/OFF (OFF/ON)-timer. Set the current time at first because it serves as a reference. As the time settings are stored in memory in the remote controller, you only have to press the (RESERVE) button in order to use the same settings next time. q ­ 12 ­ HOW TO SET THE SLEEP TIMER Set the current time at first if it is not set before (see the pages for setting the current time). Press the (SLEEP) button, and the display changes as shown below. Mode H Indication 41 Sleep timer hour 42 hours 4 3 hours Sleep timer off 1 47 hours SLEEP Sleep Timer: The device will continue working for the designated number of hours and then turn off. Point the signal window of the remote controller toward the indoor unit, and press the SLEEP button. The timer information will be displayed on the remote controller. [. . . ] Before cleaning, stop operation and switch off the power supply. 3. q MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Run the unit by setting the operation mode to (COOL), the temperature to 32°C and the fan speed to HI for about half a day on a fine day, and dry the whole of the unit. Switch off the power plug. Air Blow q REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONAL EITHER EVERY HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP. 1 Is the earth line disconnected or broken? 2 Is the mounting frame seriously affected by rust and is the outdoor unit tilted or unstable? 3 Confirm Is the plug of power line firmly plugged into the socket?(Please ensure no loose contact between them). ­ 22 ­ AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS. CONDITION q CHECK THE FOLLOWING POINTS q q When it does not operate Is the fuse all right? [. . . ]