Mitsubishi PJZ012A087B — Mitsubishi PJZ012A087B Air Conditioner User & Service Manual (EN)

HOW TO OPERATE (Dehumidifying operation is prohibited for FDU-F.) HOW TO PERFORM THE TIMER OPERATION ATTENTION Turn on the power supply of both indoor/outdoor units for six hours before starting the unit to protect the units. (The crankcase is conducted and the compressor is heated) Do not turn off the power supply. (The crankcase heater is conducted while the compressor is stopped, preventing failure of the compressor due to accumulation of liquid refrigerant by keeping the compressor warm.) THE SELECTION OF TIMER MODE 1 Press TIMER button. It enters the timer mode. “Current day of the week” and “Current time ” are displayed. [EXAMPLE] Monday :

10 o’clock in the morning Setting temperature Fan speed mode Operation mode 1 Press button. The unit starts operating. 2 Press MODE button. The range of operation mode is displayed according to the model of indoor unit. Every time the button is pressed, the display changes in the following order dry Ж cool Ж fan Ж heat. ( Ж auto) * (The automatic operation can be selected in case of the heat recovery system KXR only. The automatic operation cannot be selected in case of heat pump system KX.) Display area : [ ] [ ] [ ] (lit) 2 Press or button. By pressing or button, it is possible to choose the item to set.

1 3 [ ] (set to current time) И [ ] (The unit stops operating at each setting time once it is set.) И [ ] (The unit stops operating at the setting time.) И [ ] (The unit starts operating at the setitng time.) И [ ] (Timer set by one week) И [ ] (Cancel the timer setting) With auto operation, heating and cooling is automatically changed depending on difference between the setting temperature and room temperature. * * IN case of FDU-F The setting temperature of the remote controller indicates the outdoor temperature while operating thermostat ON/OFF. 3 Press TEMP button. Press heating operation cooling operation room setting temperature * +3 2 4 5 3 2 1 button to set the room temperature.

* * IN case of FDU-F The setting temperature of the remote controller indicates the outdoor temperature while operating thermostat ON/OFF. 4 Press FAN SPEED button. The range of fan speed modes is displayed according to the model of indoor unit. At 4-speed .............“ At 3-speed .............“ At 2-speed .............“ At 1-speed .............The operation is invalid or J Guideline for room temperature setting COOL ...............26 to 28°C If you press the button, the display of the following timer modes is switched in the upwards direction. If you press the RESET button, timer mode ends and return to original satus.

DRY ..................21 to 24°C HEAT ................22 to 24°C 3 Press SET button. The selected timer mode is set. FAN ...................Setting unnecessary For setting of each timer mode ,See next page and thereafter. The settings of operation change, temperature and air flow volume adjustment can be changed even when the air conditioner is stopped. When a button is pressed while the operation is stopped, the corresponding display is turned on and you can change the setting. The display turns on for three seconds after changing the setting, then turns off automatically. at 4-speed The unit operates with the maximum fan speed. 5 Press LOUVER button.

If the indoor unit is equipped with the auto swing function, press the LOUVER button once and current louver status is displayed. If the indoor unit is not equipped with the auto swing function, the message “ ” is displayed. Each timer mode can be set in parallel. The following combinations are available. J Functions of each timer operation Sleep timer When the setting time elapses, the unit stops operating. 10 settings are available, from “an hour later OFF” to “10 hours later OFF”. The unit will stop when the setting time is reached. OFF timer The unit stops operating at the setting time. You can set only one time at a time. ON timer The unit starts to operate at the setting time.

You can set the temperature at the same time. You can set only one time at a time. Weekly timer Up to four times of timer operation (ON timer/OFF timer) are available for each day of the week. Once Weekly timer is set, the unit performs the same operation every week. Combination of modes that can be set together ( { : possible Ч: impossible) Operation mode DRY For the louver operation See page 11 to 12 A Press LOUVER button, and change the display to Weekly timer Ч Ч Ч COOL If you select a combination of modes that cannot be set together and press the SET button, the message “ (invalid operation)” is displayed for 3 seconds and then it returns to the display selected in step 2 .

FAN For the louver stopping See page 11 to 12 A Press once while the louver is operating to display stop positions in order. B Press the button once more at the preffered stop position to stop the louver at that position. Effective stop position See page 11 to 12 At automatic operation: .................................middle At cooling/dehumidifying operation: ..............Horizontal At heating operation: ....................................downwards HEAT AUTO ATTENTION Stop Press button ATTENTION The display of “ flashes and the operation is switched to “Fan” in the following case because the operation modes do not match.

There may be a case that “ ” is displayed when any button mentioned in the above is pressed, but it is not a malfunction. In that case, the operation of the button is prohibited. When you start to operate for the first time after turning the power supply on, the unit starts to operate as below. You can change the setting as you like. Central control ......................Turned off Operation changeover .......... With auto mode : auto cooling Without auto mode : cooling Set temperature ...................23°C Fan speed ............................

Louver position .....................Horizontal NOTE If you have set the ON timer mode and either the OFF timer or Sleep timer mode at the same time, the OFF timer (or Sleep timer) shows preference to the ON timer. If you press the button while timer mode is operative, timer mode is finished and the display will return to the original display. Note that the setting which has not completed is canceled. (1) When other indoor units are operating in different modes (with KXR, the heat recovery system, it is possible to operate indoor units in different cooling/heating modes). Do not turn the air conditioning system on/off frequently.

Do not use sharp objects to press the remote controller switches. If you press the timer button and “ ” is displayed, the button can not be operated because the button operation is disabled. If you want to make the button effective , consult your dealer. If you do not press any button for several minutes after pressing the Timer button, Timer mode ends and returns to the original display. If a power failure occurs, the specified timer settings will be canceled except Sleep timer. Weekly timer setting will return to the condition that all days of the week selected as “holidays”. 5 S leep timer O FF timer ON timer Weekly timer Sleep timer × { × OFF timer × { ×