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Friedrich MW12Y3H - page 1
English Español Français MODE D’EMPL OI M ANU AL MW09Y3H MW12Y3H MR09Y3H MR12Y3H CONSERVEZ CE MODE D'EMPLOI POUR RÉFÉRENCE UL TÉRIEUR 9332280005-01 ...
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Friedrich MW12Y3H - page 2
En-1 CONTENTS SAFETY PRECAUTIONS .................................... En-1 FEA TURES AND FUNCTIONS ........................... En-2 NAME OF P ARTS ................................................ En-3 PREP ARA TION .................................................... En-5 OPERA TION ........................................................ En-6 TIME ...
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Friedrich MW12Y3H - page 3
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. Afterward, the air conditioner automatically switches to a low power setting for economic and comfortable operation. COIL DRY OPERA TION The Indoor unit can be dried by pressing the COIL DR Y but- ton on the R ...
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Friedrich MW12Y3H - page 4
En-3 1 a-5 a-6 a-4 a-7 OPERA TION TIMER COIL DRY Fig.3 Fig.4 a-3 Fig.2 a-2 a-1 a-8 a-8 a-9 a-1 a-3 a-12 a-13 a-1 1 a-1 0 a-15 a-14 a-16 a-17 Fig. 5 Fig. 1 Fig. 7 T o facilitate explanation, the accompanying illustra- tion has been drawn to show all possible indicators; in actual operation, however , the display will only show those indicators appro ...
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Friedrich MW12Y3H - page 5
En-4 Fig. 1 Indoor Unit a-1 Operating Control Panel (Fig. 2) a-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 op ...
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Friedrich MW12Y3H - page 6
En-5 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 MW12Y3H - page 7
En-6 T o Select Mode Operation 1 Press the ST AR T/STOP button (Fig.6 b-9). The indoor unit’ s OPERA TION Indicator Lamp (green) (Fig. 3 a-5) will light. The air conditioner will start operating. 2 Press the MODE button (Fig.6 b-2) to select the desired mode. Each time the button is pressed, the mode will change in the following order . AUTO COOL ...
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Friedrich MW12Y3H - page 8
En-7 T o Stop Operation Press the ST AR T/STOP button (Fig. 6 b-9). The OPERA TION Indicator Lamp (green) (Fig. 3 a-5) will go out. About AUTO CHANGEOVER Operation AUTO: ● When AUT O CHANGEO VER operation first selected, the fan will oper - ate at very low speed for about one minute, during which time the indoor unit detects the room conditions a ...
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Friedrich MW12Y3H - page 9
En-8 TIMER OPERA TION s Before using the timer function, be sure that the Remote Control Unit is set to the cor rect current time ( ☞ P . 4). T o Use the ON timer or OFF timer 1 Press the ST AR T/STOP button (Fig. 6 b-9) (if the indoor unit is already operating, proceed to step 2). The indoor unit’ s OPERA TION Indicator Lamp (green) (Fig. 3 a- ...
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Friedrich MW12Y3H - page 10
En-9 SLEEP TIMER OPERA TION Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operation is stopped. To Use the SLEEP Timer While the air conditioner is operating or stopped, press the SLEEP button (Fig. 6 b-6). The indoor unit’ s OPERA TION Indicator Lamp (green) (Fig. 3 a-5) lights and the TIME ...
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Friedrich MW12Y3H - page 11
En-10 knob(two places) Right-Left Louvers ADJUSTING THE DIRECTION OF AIR CIRCULA TION V er tical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’ s SET button. Horizontal (right-lef t) airflow direction is adjusted manually , by moving the Air Flow Direction L ouver s. Whenever making horizontal airflow adjustments, ...
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Friedrich MW12Y3H - page 12
En-11 MINIMUM HEA T OPERA TION • The room temperature can be maintained at 50 ° F by pressing the MIN. HEA T button (Fig.6 b-3) so as to prevent the room temperature from falling too far . To use MINIMUM HEAT OPERATION Press the MIN. HEA T button (Fig.6 b-3) To stop MINIMUM HEAT OPERATION Press the ST AR T/STOP button (Fig.6 b-9) Then the operat ...
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Friedrich MW12Y3H - page 13
En-12 SWING OPERA TION MANUAL AUTO OPERA TION Use the MANUAL AUTO operation in the event the Remote Control Unit is lost or otherwise unavailable. How T o Use the Main Unit Controls Press the MANUAL AUTO button (Fig. 2 a-2) for three sec- onds on the main unit control panel. T o stop operation, press the MANUAL AUT O but ton (Fig. 2 a-2) for three ...
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Friedrich MW12Y3H - page 14
En-13 CLEANING AND CARE ● Before cleaning the indoor unit, be sure to turn it off and disconnect the Power Supply Cord. ● Be sure the Intake Grille (Fig. 1 a-8) is installed securely . ● When removing or replacing the air filters, be sure not to touc h the heat exc hanger , as personal injury may result. CAUTION! Cleaning the Intake Grille 1. ...
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Friedrich MW12Y3H - page 15
En-14 TROUBLESHOOTING W ARNING! Symptom Doesn ’ t operate immedi- ately: Noise is heard: Smells: Mist or steam is emitted: Airflow is weak or stops: W ater is produced from the outdoor unit: Problem ● If the indoor unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes, in order to prevent fuse b ...
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Friedrich MW12Y3H - page 16
En-15 TROUBLESHOOTING Symptom Doesn ’ t operate at all: Poor Cooling performance: The unit operates differently from the Remote Control Unit ’ s setting: See Page — 8 - 9 — 6 5 CHECK ONCE MORE Items to check ● Is the Power Supply Plug disconnected its outlet? ● Has there been a power failure? ● Has a fuse blown out, or a circuit break ...
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Friedrich MW12Y3H - page 17
En-16 OPERA TING TIPS Dry Mode About 1 4 to 1 15 °F About 64 to 90 °F Outdoor temperature Indoor temperature Cooling Mode About 14 to 1 15 °F About 64 to 90 °F Heating Mode About 5 to 75 °F About 86 °F or less T emperature and Humidity Range ● If the air conditioner is used under higher temperature conditions than those listed, the built-in ...
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Friedrich MW12Y3H - page 18
F riedr ich Air Conditioning Co . 4200 N. Pan Am San Antonio , T exas 78218 USA T el. (210) 357-4400 F ax (210) 357-4490 Visit us at www . friedr ich. com ...
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