User manual HITACHI RAF50NH4

[. . . ] SPLIT TYPE AIR CONDITIONER INDOOR UNITS/OUTDOOR UNIT RAF25NH4 RAF50NH4 RAD25QH4 RAD40QH4 RAM70QH4 (MULTIZONE 70H) RAM80QH4 (MULTIZONE 80H) RAD25QH4 RAD40QH4 RAF25NH4 RAF50NH4 CH û RAM70QH4 RAM80QH4 SAFETY PRECAUTION Please read the ÒSafety PrecautionÓ carefully before operating the unit to ensure correct usage of the unit. Pay special attention to signs of Ò WarningÓ and Ò CautionÓ. The ÒWarningÓ section contains matters which, if not observed strictly, may cause death or serious injury. The ÒCautionÓ section contains matters which may result in serious consequences if not observed properly. [. . . ] ¥ Use the horizontal air deflector within the adjusting range shown on the right. ¥ When the auto swing operation is performed, if the horizontal air deflector is moved manually, the swing range may drift. However, it will return to the original operation range after a short time. About 65¡ 2. FULL DUCT ¥ SEMI DUCT ¥ As shown in the diagram, perform by holding the horizontal air deflector. ¥ When adjusting the air direction, use a stepladder, etc. ¥ For full duct type and semi duct type, auto air deflector is not provided. ¥ When operating the unit in cooling operation with the air deflector facing down and moving automatically for a long period of time, water will condensed on the air deflector and drips down occasionally. This will wet your furniture. CAUTION ENGLISH MODEL : RAD-25QH4, RAD-40QH4 ADJUSTING THE AIR DEFLECTORS HOW TO CHANGE THE BATTERIES IN THE REMOTE CONTROLLER 1 2 Remove the cover as shown in the figure and remove the old batteries. The direction of the batteries should match the marks in the case. Push and pull to the direction of arrow mark . 1. Do not mix new and old batteries, or different type of batteries together. Remove the batteries when you do not use the remote controller for 2 or 3 months. CAUTION Cover TEMPORARY SWITCH Use the temporary switch when operation cannot be done with the remote controller. By pressing the temporary switch, the operation is done in previously set operation mode. When the operation is done using the temporary switch after the power source is turned off and turned on again, the operation is done in automatic mode. When the operation is stopped or when the operation is done with the remote controller again. Press the temporary switch once again. TEMPORARY SWITCH CIRCUIT BREAKER When you do not use the room air conditioner, set the circuit breaker to ÒOFFÓ. HOW TO USE THE AIR CONDITIONER EFFECTIVELY 1. An average room temperature setting is probably the best for you as well as being economical. ¥ Excessive cooling or heating is not recommended for health reasons. ¥ Close the curtains or blinds to prevent heat from flowing into or escaping the room as well as to make more effective use of electricity. 2. At intervals, the doors and windows should be opened to let fresh air in. CAUTION Make sure the room is ventilated when operating the air conditioner at the same time as other heating appliances. 3. Using the timer is recommended before going to sleep or going out. The following must never be used for cleaning the indoor and outdoor units: 5. Do not block the air intake and air outlet. ¥ Benzine, thinner and scrub can damage plastic surfaces or coating. ¥ Hot water above 40¡C can shrink the filter and deform plastic parts. ¥ Do not block the air outlets and intakes of the indoor and outdoor units with curtains or other obstacles which could degrade air conditioner performance and cause unit failure. ¥ Before cleaning, stop unit operation with the remote controller and turn off the circuit breaker. WARNING ¥ ¥ ¥ ¥ Do not expose the unit to water as it may cause an electric shock. [. . . ] As the protective circuit or preheat sensor operates when unit operation is stopped The OPERATION lamp is blinking. during preheating and then restarted, or when operation mode is switched from cooling to heating, the lamp continues to blink. ActualroomtemperaturemaydeviateslightlyfromtheremotecontrollerÕstemperature Does not reach the temperature setting depending on the number of people in the room, indoor or outdoor conditions setting. when the air conditioner is used for more than one room at the same time. ¥ If the unit still fails to operate normally after performing the above inspections, turn the circuit breaker off and contact your sales agent immediately. Contact your sales agent immediately if the following phenomena should occur: ¥ The circuit breaker switches off or the fuse blows frequently. [. . . ]