AIR CONDITIONER Duct Type OPERATING MANUAL KEEP THIS MANUAL FOR FUTURE REFERENCE P/N9374379460...
CONTENTS SAFETY PRECAUTIONS ........1 TEMPERATURE SET BACK TIMER ......11 FEATURES AND FUNCTIONS ....... 3 ECONOMY OPERATION ........12 NAME OF PARTS ........... 4 CLEANING AND CARE ......... 12 PREPARATORY OPERATION ........ 5 TROUBLESHOOTING .......... 13 OPERATION ............6 OPERATING TIPS ..........14 TIMER FUNCTIONS ..........
To install a unit that uses R410A refrigerant, use dedicated tools and piping mate- CAUTION! rials that have been manufactured specifically for R410A use. Because the pres- sure of R410A refrigerant is approximately 1.6 times higher than the R22, failure to use dedicated piping material or improper installation can cause rupture or injury.
FEATURES AND FUNCTIONS Energy saving and Remote controller Comfortable function WIRED REMOTE CONTROLLER INVERTER At the start of operation, large amount of power is used to The wired remote controller allows convenient control of indoor bring the room quickly to the desired temperature. Afterwards, unit operation.
NAME OF PARTS Remote controller START/STOP Button Operation Lamp SET TEMP. (Temperature) Button Timer and Clock Display MODE Button Operation Mode Display Fan Speed Display FAN Button ECONOMY Button Operation Lock Display TIMER MODE (CLOCK AD- Temperature Display JUST) Button Function Display Defrost Display DAY (DAY OFF) Button...
PREPARATORY OPERATION Set the current day and time Press the DAY button and select the current day. appears around the selected day. Press the TIMER MODE (CLOCK ADJUST) button for 2 seconds or more. The time display on the remote controller will ﬂash. Press the SET TIME (<...
OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). To start/stop operation Press the START/STOP button. Operation lamp Air conditioner ON: Lit brightly Air conditioner OFF: Not lit To set the operation mode Operation mode setting Press the MODE button to set the operation mode.
OPERATION Room temperature sensor selection This function is locked at the factory. In order to detect the room temperature correctly, consult authorized serv- • ice personnel when using this function. Indoor unit Press the ECONOMY button for more than 2 seconds to select whether the room temperature is detected at the indoor unit or the remote controller.
TIMER FUNCTIONS OFF timer (See page 8.) Use this timer function to stop air conditioner operation. The timer operates and air conditioner operation stops after the set time has passed. The timer can be set up to 24 hours in advance. ON timer (See page 8.) Use this timer function to start air conditioner operation.
WEEKLY TIMER Weekly timer setting Press the TIMER SET button for Press the TIMER MODE button to select the weekly timer. 2 seconds or more. Day of the week setting Press the DAY button to select the day of the week, and then press the TIMER SET button to conﬁrm the setting.
WEEKLY TIMER WEEKLY timer operation To start To cancel When the weekly timer is selected, the • Press the TIMER DELETE button to ex. Operating time 7:00-18:00 timer starts automatically. cancel the timer mode. • The timer mode can also be The operating time for the current day canceled by changing the timer is displayed.
TEMPERATURE SET BACK TIMER Temperature SET BACK timer setting SET BACK If there is no existing SET BACK tempera- ture setting, “- -” will be displayed for the temperature. Press the TIMER SET button Press the SET BACK button to change to the SET BACK con- ﬁrmation display.
ECONOMY OPERATION Begin Air Conditioner operation before performing this procedure. To Use the ECONOMY Operation Press the ECONOMY button. The ECONOMY display will light. ECONOMY operation begins. To Stop the ECONOMY Operation Press the ECONOMY button again. The ECONOMY display will go out. Normal operation begins.
TROUBLESHOOTING Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical WARNING! breaker, and consult authorized service personnel. Merely turning off the unit’s power switch will not completely disconnect the unit from the power source.
OPERATING TIPS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Low Ambient Cooling *Heating Performance This air conditioner operates on the heat-pump principle, When the outdoor temperature drops, the outdoor unit’s fans may switch to Low Speed, or one of the fans may stop inter- absorbing heat from outdoor air and transferring that heat indoors.
OPERATING TIPS Mode operation: AUTO COOLING MODEL During the Drying mode operation, the fan will operate at a When the room temperature is 2 °C higher than the set low speed for a gently cooling effect during which the fan temperature, the mode will switch between Cooling and may temporarily stop rotating.
OPERATING TIPS AUTO Restart In Event of Power Interruption If the power supply to the air conditioner is interrupted by a Use of other electrical appliances (electric shaver, etc.) or power failure, the air conditioner will restart automatically in nearby use of a wireless radio transmitter may cause the air the previously selected mode once the power is restored.