OPERATING MANUAL ROOM AIR CONDITIONER CEILING WALL TYPE HEAT & COOL MODEL (REVERSE CYCLE) Indoor Unit AWTZ14LBC AWTZ18LBC Outdoor Unit AOTZ14LBC AOTZ18LBC R410A REFRIGERANT This Air Conditioner contains and operates with refrigerant R410A and Polyol Ester oil. THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL.
CONTENTS SAFETY PRECAUTIONS ........................................ 1 FEATURES AND FUNCTIONS ............................... 2 NAME OF PARTS ................................................... 3 PREPARATION ....................................................... 5 OPERATION ........................................................... 7 ADJUSTING THE DIRECTION OF AIR CIRCULATION ................................................. 9 SWING OPERATION .............................................
FEATURES AND FUNCTIONS INVERTER At the start of operation, a large power is used to bring the room quickly to the desired temperature. Afterwards, the unit automatically switches to a low power setting for economic and comfortable operation. SWING OPERATION The airflow-direction louvers move (swing) automatically. In addition, up, down, left, and right airflow directions can be selected using the Remote Control Unit.
NAME OF PARTS Fig. 1 Fig. 2 1 3 2 5 7 8 0 MAINTENANCE SIGN TIMER OPERATION SUPER QUIET HI-POWER D 4 G E H 6 9 F 0 A Fig. 4 L I J B K C Fig. 6 Fig. 5 N M S T O P Y [ ` a 3 Z Q R \ ] b c d e h i l m n q r f g j k p U V W X s o This figure shows the control display when all indicator lamps are on. It may differ from the actual display.
NAME OF PARTS Fig. 1 Indoor Unit Fig 1 2 3 4 5 IIntake t k G Grilles ill UV Lamp (4 position) Indicator (Fig. 2) MAINTENANCE SIG SIGN Indicator Lamp (red) TIMER Indicator Lamp (green) ● If the TIMER indicator lamp flashes when the timer is operating, it indicates that a fault has occurred with the timer setting (See Page 24 Auto Restart). 6 OPERATION Indicator Lamp (red) 7 SUPER QUIET Indicator Lamp (green) 8 HI-POWER Indicator Lamp (orange) 9 Remote Control Signal Receiver 0 Open Panel (Fig.
PREPARATION How to open and close the remote control's cover. Open gently (do not be too rough). Take hold of both sides of the cover, and insert the cover into its place until you hear a click. Prompts to change remote control's batteries ● Remote control periodically starts and stops. Battery Indicator Display (Fig.6 V) shown during operations. • At start-up: blinks 5 times • At shut-down: remains lit for about 10 minutes.
CAUTION! Turn on the Power Connect the Power Supply Plug (Fig. 1 H) to an electrical outlet; in the case of a direct line connection, turn on the circuit breaker. Load Batteries (LR03 × 2) 1 Press and slide the battery compartment lid on the reverse side to open it. Slide in the direction of the arrow while pressing the 2 3 4 mark. Insert batteries. Be sure to align the battery polarities (+/-) correctly. Close the battery compartment lid. About the RESET (Fig.
OPERATION To Select Mode Operation Press the necessary Operation button. Cooling Operation: Press the COOL button (Fig.5 [) Heating Operation: Press the HEAT button (Fig.5 ]) Dry Operation : Press the DRY button (Fig.5 \) Auto Operation : Press the AUTO button (Fig.5 a) Fan Operation : Press the FAN button (Fig.5 b) The Indoor Unit's OPERATION Indicator Lamp (red) (Fig.2 6) will light. The Air conditioner will start operating. Pressing the unit's START/ STOP button (Fig.
To Stop Operation Press the START/STOP button (Fig.5 Y). The OPERATION Indicator Lamp (red) (Fig. 2 6) will go out. About AUTO CHANGEOVER Operation AUTO: ● When AUTO CHANGEOVER operation first selected, the fan will operate at very low speed for about one minute, during which time the unit detects the room conditions and selects the proper operating mode.
ADJUSTING THE DIRECTION OF AIR CIRCULATION ● Adjust the up, down, left, and right air directions with the AIR DIRECTION buttons on the Remote Control Unit. ● Use the AIR DIRECTION buttons after the Indoor Unit has started operating and the airflow-direction louvers have stopped moving. R DANGER! Vertical Air Direction Adjustment Open the lid on the Remote Control Unit. Press the AIR DIRECTION (Up-Down) button. (Fig. 5 k) ● When the AIR DIRECTION (Up-Down) button (Fig.
SWING OPERATION Begin air conditioner operation before performing this procedure. To select SWING Operation Open the Remote Control Unit lid to perform swing operation settings. Press the SWING button (Fig. 5 i). The SWING Display (Fig. 6 U) will light. Each time the SWING button is pressed, the swing operation will change in the following order. Up/down swing operation Swing operation stops Left/right swing operation Up/down/left/right swing operation To stop SWING Operation Press the SWING button (Fig.
TIMER OPERATION Before using the timer function,be sure that the Remote Control Unit is set to the correct current time (See page 6). To Use the OFF TIMER or ON TIMER Open the Remote Control Unit lid to perform the timer function settings. 1 Press the desired Operation button or START/STOP button (Fig. 5 Y). (if the unit is already operating, proceed to step 2). The Indoor Unit’s ’ OPERATION Indicator Lamp (red) (Fig. 2 6) will light. To Cancel the Timer Press the CANCEL button.
SLEEP TIMER OPERATION Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped. To Use the SLEEP timer While the air conditioner is operating or stopped, press the SLEEP button (Fig. 5 `). Each time the button is presssd, the time changes in the following order: → 1.0 → 2.0 → 3.0 → 5.0 → 7.0 → 9.0(hour) To Cancel the Timer: Press the CANCEL (TIMER) button. To Stop the Air Conditioner During Timer Operation: Press the START/STOP button.
ECONOMY OPERATION Begin Air Conditioner operation before performing this procedure. Open the Remote Control Unit lid. To Use the ECONOMY Operation Press the ECONOMY button (Fig.5 h). "ECO" appears on the Remote Control Unit display. Economy operation begins. To Stop the ECONOMY Operation Press the ECONOMY button (Fig.5 h) again. "ECO" disappears from the Remote Control Unit display. Normal operation begins.
COIL DRY OPERATION ● After allowing the interior of the indoor unit time to dry, run the UV filter clean, to limit mold and bacteria on the interior of the unit and on the air filter. This function shows clear results after cooling or dehumidifying. ● For COLID DRY Operation, press the COIL DRY button. Cleaning operations will run for about 20 minutes and stop automatically. To start COIL DRY Operation Press the COIL DRY button (Fig.5 c) (when the air conditioner is operating or stopped).
AUTO FILTER MAINTENANCE FUNCTION ● This is a convenient function that automatically removes dust from the air filters after a set amount of time of air conditioner operation. ● The auto filter maintenance function can also be started using the remote control unit. Auto Filter Maintenance About operating the Auto Filter Maintenance ● Auto filter maintenance is performed after the air conditioner operates for a set amount of time and is stopped or the FILTER button (Fig.
About the Auto Filter Maintenance function ● Depending on how dirty the air filters are, all of the dust may not be removed from the air filters during the auto filter maintenance. In this case, perform auto filter maintenance again.
PERFORMING MAINTENANCE ● Frequent maintenance will extend the life of the air conditioner and improve the cooling and heating performance. ● Before maintenance, stop air conditioner operation using the remote control and unplug the power supply cord from the electrical outlet. CAUTION! Before cleaning the air conditioner, be sure to turn it off and unplug the power supply cord from the electrical outlet. The internal fan operates at high speed and could cause personal injury.
2. Remove the dust collected in the dust boxes and clean the dust boxes. 1. Open the dust boxes. 1 Hold the latch (light blue) on both sides of the interior of the dust box, and pull outwards until you hear a "catch" sound. ● After washing with water, make sure the dust boxes are completely dry before installation. The brushes are especially difficult to dry so wipe them with a towel, etc. to make sure they are completely dry.
3. Install the dust box onto the main unit, press the "MAINTENANCE / MANUAL AUTO" button, and then insert the air filter. 1. Install the dust box onto the main unit. 1 Make sure that the dust box's 2 yellow latches are open. 2 Open the front panel and insert the dust box into the unit until you hear it catch in place. "Beep" Latch Remove Lock 3 Insert the dust box fully and move the two latches on either side outside to lock it in place. *If the MAINTENANCE SIGN Indicator Lamp (red) (Fig.
PERFORMING MAINTENANCE (CONTINUED) 3. Install the dust box onto the main unit, press the "MAINTENANCE / MANUAL AUTO" button, and then insert the air filter. (Continued) 3 Following the same procedure, insert the other side's air filter. ● During installation, please make sure that both the filter and your hands are dry. Any moisture on the filter or on your hands may result in malfunctions or electric shock. ● Please insert the air filter correctly according to the designated direction.
PERFORMING MAINTENANCE (CONTINUED) Intake Grille Maintenance ● Perform dust box maintenance at the same time. Intake grille 1. Open the open panel. Refer to procedure 1 in Dust Box Maintenance (See page 17). CAUTION! Be sure to install the intake grilles securely. ● If the intake grilles are not installed securely, they may fall and cause personal injury. 5. Install the Intake grilles. 1 Slide Intake grille into the indoor unit along the guide rails under the open panel until it stop.
MANUAL AUTO OPERATION Use the MANUAL AUTO operation in the event the Remote Control Unit is lost or otherwise unavailable. REMOTE CONTROL UNIT UNAVAILABLE (MANUAL AUTO OPERATION) If the Remote Control Unit is lost or the batteries are dead, the air conditioner can be operated provisionally from the indoor unit. 1. Open the open panel. 3. Close the open panel. Grab both sides of the open panel and open the open panel until it is held in place. (The panel will remain open even after it is released.
TROUBLESHOOTING WARNING! In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the Power Supply Plug, and consult authorized service personnel. Merely turning off the unit’s ’ power switch will not completely disconnect the unit from the power source. Always be sure to disconnect the Power Supply Plug or turn off your circuit breaker to ensure that power is completely off.
TROUBLESHOOTING Items to check Symptom CHECK ONCE MORE Doesn’t operate at all: See Page ● Is the Power Supply Plug disconnected its outlet? ● Has there been a power failure? — ● Has a fuse blown out, or a circuit breaker been tripped? ● Is the timer operating? 11 - 12 ● Is the Air Filter dirty? ● Air the air conditioner’s intake grille or outlet port blocked? Poor Cooling performance: ● Did you adjust the room temperature settings (thermostat) correctly? ● Is there a window or door open? — ● In t
OPERATING TIPS Temperature and Humidity Range Cooling Mode Dry Mode Heating Mode Outdoor temperature About –10 to 43 °C About –10 to 43 °C About –15 to 24 °C Indoor temperature About 18 to 32 °C About 18 to 32 °C About 30 °C or less ● If the air conditioner is used under higher temperature conditioner than those listed, the built-in protection circuit may operate to prevent internal circuit damage.
