Friedrich MW12Y3FM - Manual

En-3 Fig. 1 Indoor Unit 1 Operating Control Panel (Fig. 2) 2 MANUAL AUTO button ● When kept on pressing the MANUALAUTO button for more than 10 seconds,the forced cooling operation will start. ● The forced cooling operation is used at thetime of installation.Only for authorized service personnel'suse...

En-4 PREPARATION CAUTION! ● Take care to prevent infants fromaccidentally swallowing batteries. ● When not using the Remote Control Unitfor an extended period, remove thebatteries to avoid possible leakage anddamage to the unit. ● If leaking battery fluid comes in contactwith your skin, eyes, or mou...

En-5 To Select Mode Operation 1 Press the START/STOP button (Fig. 5 N ). The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5 ) will light. The air conditioner will start operating. 2 Press the MASTER CONTROL button (Fig. 5 G ) to se- lect the desired mode. Each time the button is pressed, the...

En-6 To Stop Operation Press the START/STOP button (Fig. 5 N ). The OPERATION Indicator Lamp (red) (Fig. 3 5 ) will go out. About AUTO CHANGEOVER Operation AUTO: ● When AUTO CHANGEOVER operation first selected, the fan will oper-ate at very low speed for about one minute, during which time the unitd...

En-7 TIMER OPERATION s Before using the timer function, be sure that the Remote Control Unit is set to the correct current time ( ☞ P. 4). To Use the ON timer or OFF timer 1 Press the START/STOP button (Fig. 5 N ) (if the unit is already operating, proceed to step 2). The indoor unit’s OPERATION Ind...

En-8 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 theSLEEP button (Fig. 5 F ). The indoor unit’s OPERATION Indicator Lamp...

En-9 ADJUSTING THE DIRECTION OF AIR CIRCULATION Vertical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’s SET button. Horizontal (right-left)airflow direction is adjusted manually, by moving the Air Flow Direction Louvers.Whenever making horizontal airflow adjustments...

En-10 SWING OPERATION MANUAL AUTO OPERATION ● When the air conditioner is operatedwith the controls on the Main Unit, itwill operate under the same mode asthe AUTO mode selected on the Re-mote Control Unit (see page 6). ● The fan speed selected will be “AUTO”and the thermostat setting will bestandar...

En-11 1 2 CLEANING AND CARE ● Before cleaning the air conditioner, be sure to turn it off and disconnect the Power. ● Be sure the Intake Grille (Fig. 1 9 ) is installed securely. ● When removing and replacing the air filters, be sure not to touch the heat exchanger, as per-sonal injury may result. C...

En-12 Air Cleaning Filter Installation 1. Open the Intake Grille and remove the Air filters. 2. Install the Air cleaning filter set (set of 2). 1 Set the air cleaning filter into the air cleaning filterframe. 2 Engage the latch at both ends of the filter with thetwo hooks at the rear of the air clea...

En-13 TROUBLESHOOTING WARNING! Symptom Doesn’t operate immedi-ately: Noise is heard: Smells: Mist or steam areemitted: Airflow is weak or stops: Problem ● If the unit is stopped and then immediately started again, the com-pressor will not operate for about 3 minutes, in order to preventfuse blowouts...

En-14 TROUBLESHOOTING Symptom Airflow is weak or stops: Water is produced fromthe outdoor unit: See Page 15 14 NORMAL FUNCTION Problem ● In case of Multi-type unit, if multiple units are operated in differ-ent operation modes as shown below, the units operated after-ward will stop and the OPERATION ...

En-15 OPERATING TIPS AUTO Restart In Event of Power Interruption ● The air conditioner power has been interrupted by apower failure. The air conditioner will then restart auto-matically in its previous mode when the power is restored. ● Operated by setting before the power failure. ● If a power fail...

En-16 OPERATING TIPS Outdoor temperature Indoor temperature Cooling/Dry Mode About 32 to 115 °F About 64 to 90 °F Heating Mode About 14 to 75 °F 88 °F or less Temperature and Humidity Range If the unit is used for long pe-r i o d s u n d e r h i g h - h u m i d i t yconditions, condensation mayform ...