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Friedrich MW18Y3FM - page 1
P/N9373420040 OPERA TING MANU AL MODE D’EMPLOI MANU AL DE FUNCIONAMIENT O English Français Español Indoor Unit MW09Y3FM MW12Y3FM MW18Y3FM Outdoor Unit MR24DY3F MR36TQY3F KEEP THIS MANUAL FOR FUTURE REFERENCE CONSERVEZ CE MODE D'EMPLOI AFIN DE POUVOIR VOUS Y RÉFÉRER UL TÉRIEUREMENT GUARDE ESTE MANUAL P ARA PODERLO CONSUL T AR EN EL FUTUR ...
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Friedrich MW18Y3FM - page 2
P/N9373420040 OPERA TING MANU AL MODE D’EMPLOI MANU AL DE FUNCIONAMIENT O English Français Español Indoor Unit MW09Y3FM MW12Y3FM MW18Y3FM Outdoor Unit MR24DY3F MR36TQY3F KEEP THIS MANUAL FOR FUTURE REFERENCE CONSERVEZ CE MODE D'EMPLOI AFIN DE POUVOIR VOUS Y RÉFÉRER UL TÉRIEUREMENT GUARDE ESTE MANUAL P ARA PODERLO CONSUL T AR EN EL FUTUR ...
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Friedrich MW18Y3FM - page 3
CONTENTS SAFETY PRECAUTIONS .................................... En-1 FEA TURES AND FUNCTIONS ........................... En-2 NAME OF P ARTS ................................................ En-3 PREP ARA TION .................................................... En-4 OPERA TION ........................................................ En-5 TIMER OPE ...
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Friedrich MW18Y3FM - page 4
CONTENTS SAFETY PRECAUTIONS .................................... En-1 FEA TURES AND FUNCTIONS ........................... En-2 NAME OF P ARTS ................................................ En-3 PREP ARA TION .................................................... En-4 OPERA TION ........................................................ En-5 TIMER OPE ...
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Friedrich MW18Y3FM - page 5
En-2 FEA TURES 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 eco- nomic and comfortable operation. COIL DRY OPERA TION The Indoor unit can be dried by pressing the COIL DRY but- ton on the Remote Con ...
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Friedrich MW18Y3FM - page 6
En-3 Fig. 1 Indoor Unit 1 Operating Control Panel (Fig. 2) 2 MANUAL AUTO button ● When kept on pressing the MANUAL AUTO button for more than 10 seconds, the forced cooling operation will start. ● The forced cooling operation is used at the time of installation. Only for authorized service personnel's use. ● When the forced cooling operat ...
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Friedrich MW18Y3FM - page 7
En-4 PREP ARA TION CAUTION! ● T ake care to prevent infants from accidentally swallowing batteries. ● When not using the Remote Control Unit for an extended period, remove the batteries to avoid possible leakage and damage to the unit. ● If leaking battery fluid comes in contact with your skin, eyes, or mouth, immedi- ately wash with copious ...
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Friedrich MW18Y3FM - page 8
En-5 T o Select Mode Operation 1 Press the ST ART/STOP button (Fig. 5 N ). The indoor unit ’ s OPERA TION 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 mode will change in the following order . ...
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Friedrich MW18Y3FM - page 9
En-6 T o Stop Operation Press the ST ART/STOP button (Fig. 5 N ). The OPERA TION 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 unit detects the room conditions and selects the ...
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Friedrich MW18Y3FM - page 10
En-7 TIMER OPERA TION s Before using the timer function, be sure that the Remote Control Unit is set to the correct current time ( ☞ P . 4). T o Use the ON timer or OFF timer 1 Press the ST ART/STOP button (Fig. 5 N ) (if the unit is already operating, proceed to step 2). The indoor unit ’ s OPERA TION Indicator Lamp (red) (Fig. 3 5 ) will ligh ...
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Friedrich MW18Y3FM - page 11
En-8 SLEEP TIMER OPERA TION 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 F ). The indoor unit ’ s OPERA TION Indicator Lamp (red) (Fig. 3 5 ) lights and the TIMER Ind ...
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Friedrich MW18Y3FM - page 12
En-9 ADJUSTING THE DIRECTION OF AIR CIRCULA TION V ertical (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, start air conditioner operation and be ...
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Friedrich MW18Y3FM - page 13
En-10 SWING OPERA TION MANUAL AUTO OPERA TION ● When the air conditioner is operated with the controls on the Main Unit, it will operate under the same mode as the AUTO mode selected on the Re- mote Control Unit (see page 6). ● The fan speed selected will be “ AUTO ” and the thermostat setting will be standard. (76 ° F ) COIL DR Y OPERA TI ...
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Friedrich MW18Y3FM - page 14
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. CAUTION! Cleaning the Intake Grille 1. ...
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Friedrich MW18Y3FM - page 15
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 filter frame. 2 Engage the latch at both ends of the filter with the two hooks at the rear of the air cleaning filter frame. T ake care that the air clean ...
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Friedrich MW18Y3FM - page 16
En-13 TROUBLESHOOTING W ARNING! Symptom Doesn ’ t operate immedi- ately: Noise is heard: Smells: Mist or steam are emitted: 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 prevent fuse blowouts. ● Whenever the Power Supply Plug is ...
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Friedrich MW18Y3FM - page 17
En-14 TROUBLESHOOTING Symptom Airflow is weak or stops: W ater is produced from the 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 OPERA TION indicator lamp (red) will flash. Heating ...
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Friedrich MW18Y3FM - page 18
En-15 OPERA TING TIPS AUTO Restart In Event of Power Interruption ● The air conditioner power has been interrupted by a power 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 failure occurs during TIMER operation, the ti ...
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Friedrich MW18Y3FM - page 19
En-16 OPERA TING 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 T emperature and Humidity Range If the unit is used for long pe- riods under high-humidity conditions, condensation may form on the surface of the in- door unit, and drip onto the fl ...
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