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INDOOR UNIT/OUTDOOR UNIT
RAS-S18CZT/RAC-S18CZT
RAS-S24CZT/RAC-S24CZT
RAC-S18CZT
Instruction manual
To obtain the best performance and ensure years of trouble free use, please read this instruction
manual completely.
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SPLIT TYPE
MODEL
INDOOR UNIT
RAS-S18CZT
RAS-S24CZT
OUTDOOR UNIT
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RAC-S24CZT
Page 1~22
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23~44
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Table of Contents
Related Manuals for Hitachi RAS-S18CZT
Summary of Contents for Hitachi RAS-S18CZT
- Page 1 SPLIT TYPE INDOOR UNIT/OUTDOOR UNIT MODEL RAS-S18CZT/RAC-S18CZT RAS-S24CZT/RAC-S24CZT INDOOR UNIT RAS-S18CZT RAS-S24CZT OUTDOOR UNIT RAC-S18CZT RAC-S24CZT Instruction manual Page 1~22 To obtain the best performance and ensure years of trouble free use, please read this instruction manual completely. U = S I N?]& # N5...
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Page 2: Safety Precaution
SAFETY PRECAUTION ● Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit. ● Pay special attention to signs of “ Warning” and “ Caution”. 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. - Page 3 PRECAUTIONS DURING OPERATION The product shall be operated under the manufacturer speciÀ cation and ● not for any other intended use. Do not attempt to operate the unit with wet hands, this could cause fatal ● accident. When operating the unit with burning equipments, regularly ventilate the ●...
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Page 4: Names And Functions Of Each Part
RAC-S24CZT Condensed water drain to outside. CONNECTING CORD AND INSULATION PIPE FOR PIPING AIR INLET (BACK, LEFT SIDE) AIR OUTLET MODEL NAME AND DIMENSIONS MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm) RAS-S18CZT / RAS-S24CZT 1150 RAC-S18CZT RAC-S24CZT – 4 –... -
Page 5: Operation Indicator
OPERATION INDICATOR TEMPORARY SWITCH Use this switch to start and stop when the remote controller does not work. [Use non-conductor stick (example toothpick)] By pressing the temporary switch, the operation is ● done in previously set operation mode. When the operation is done using the temporary ●... -
Page 6: Names And Functions Of Remote Control Unit
NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT REMOTE CONTROLLER This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is controlled electronically, the range of control may be shorter. This unit can be À xed on a wall using the À xture provided. Before À xing it, make sure the indoor unit can be controlled from the remote controller. -
Page 7: Cooling Operation
COOLING OPERATION Use the device for cooling when the outdoor temperature is 21~ 43°C. If indoor humidity is very high (over 80%), some dew may form on the air outlet grille of the indoor unit. Press the button so that the display indicates (COOL). -
Page 8: Dehumidifying Operation
DEHUMIDIFYING OPERATION Use the device for dehumidifying when the room temperature is over 16°C. When it is under 15°C, the dehumidifying function will not work. Press the (DEHUMIDIFY) button. Dehumidifying operation starts with a beep. The FAN SPEED is set at LOW automatically. The FAN SPEED button does not work. -
Page 9: Super Silent
SUPER SILENT Press the button. Operation start with a signal received sound “beep”. ● Unit will be forced operate in any operation mode as before ● with SUPER SILENT fan speed. The indication of operation mode, temperature setting, fan speed and timer value on remote controller will remain no change. -
Page 10: Circulation Operation
CIRCULATION OPERATION Press the button so that the display indicates (CIRCULATE). Circulating operation starts with a beep. Press the FAN SPEED button and select the desired FAN SPEED (the display indicates your choice). Press the temperature control button to set to the desired temperature. -
Page 11: How To Set The Sleep Timer
HOW TO SET THE SLEEP TIMER Press the (SLEEP) button, and the display changes as shown below. Mode Indication 1 hr 2 hrs 3 hrs 10 hrs 11 hrs 12 hrs Sleep Sleep timer off timer Sleep Timer: The device will continue working for the designated SLEEP number of hours and then turn off. -
Page 12: How To Set The Timer
HOW TO SET THE TIMER ■ Operation will start for setting ON Timer Reservation temperature at setting time (The starting time may different depend on the room ON TIME setting temperature and set temperature). ● Select the ON TIMER by pressing the (ON) Button. -
Page 13: Air Flow Louvers Adjustments
AIR FLOW LOUVERS ADJUSTMENTS Adjustment of the conditioned air in the upward and downward directions. The horizontal air deÁ ector is automatically set to the proper angle suitable for each operation. The deÁ ector can be swung up and down continuously and also set to the desired angle using the “... -
Page 14: How To Exchange The Batteries In The Remote Controller
HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER When using the remote control, if there is no response from the air conditioner unit and or the remote control has fading and dim displays, the batteries in the remote control device need to be removed and replaced with new ones Remove the cover as shown in the À... -
Page 15: Suitable Room Temperature
THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible Freezing temperature to reduce heat is bad for health and a entering the waste of electric power. room through windows. Ventilation Effective Usage Of Timer At night, please use the “sleep timer operation Caution mode”, together with your wake up time in... - Page 16 FOR USER’S INFORMATION The Air Conditioner And The Heat Source In The Room Caution If the amount of heat in the room is above the cooling capability of the air conditioner (for example: more people entering the room, using heating equipments and etc.), the preset room temperature cannot be achieved.
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Page 17: Attaching The Air Purifying Filters
ATTACHING THE AIR PURIFYING FILTERS CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personnel. Before cleaning, stop operation and switch off the power supply. Open the front panel ● Pull up the front panel by holding it at both sides with both hands. -
Page 18: Maintenance
MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personnel. Before cleaning, stop operation and switch off the power supply. PRE-FILTER Clean the pre-À lter, as it removes dust inside the room. In case the pre-À lter is full of dust, the air Á... - Page 19 Washable Front Panel ● Remove the front panel and wash with clean water. Wash it with a soft sponge. After using neutral detergent, wash thoroughly with clean water. ● When front panel is not removed, wipe it with a soft dry cloth.
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Page 20: Regular Inspection
CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personnel. Before cleaning, stop operation and switch off the power supply. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Run the unit by setting the operation mode to ●... - Page 21 AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS. CONDITION CHECK THE FOLLOWING POINTS ● Is the fuse all right? ● Is the voltage extremely high or low? When it does not operate ● Is the circuit breaker “ON”? ●...
- Page 22 Please note: On switching on the equipment, particularly when the room light is dimmed, a slight brightness Á uctuation may occur. This is of no consequence. The conditions of the local Power Supply Companies are to be observed. Note ● Avoid to use the room air conditioner for cooling operation when the outside temperature is below 21°C (70°F).