Friedrich MR24DY3F User's Manual
Contents
1. AUTO CHANGEOVER The operation mode cooling dry heating is switched au tomatically to maintain the set temperature and the tem perature is kept constant at all times PROGRAM TIMER D The program timer allows you to integrate OFF timer and ON timer operations in a single sequence The sequence can involve one transition from OFF timer to ON timer or from ON timer to OFF timer within a twenty four hour pe riod SLEEP TIMER When the SLEEP button is pressed during Heating mode the air conditioner s thermostat setting is gradually lowered during the period of operation during cooling mode the thermostat setting is gradually raised during the period of operation When the set time is reached the unit automati cally turns off WIRELESS REMOTE CONTROL UNIT The Wireless Remote Control Unit allows convenient con trol of air conditioner operation SWING OPERATION The Air Flow Direction Louvers swings automatically up and down so that the air speeds to every nook and corner of your room REMOVABLE OPEN PANEL The indoor unit s Open Panel can be removed for easy clean ing and maintenance MILDEW RESISTANT FILTER The AIR FILTER has been treated to resist mildew growth thus allowing cleaner use and easier care SUPER QUIET OPERATION When the FAN CONTROL button is used to select QUIET the unit begins super quiet operation the indoor2. buttons Fig 5 Set the time while the Timer Mode Display is flashing the flashing will continue about five seconds button Press to advance the time button Press to reverse the time About five seconds later the entire display will reappear About the SLEEP Timer To prevent excessive warming or cooling during sleep the SLEEP timer function automatically modifies the thermostat setting in accordance with the set time setting When the set time has elapsed the air conditioner completely stops During Heating operation During Cooling Dry operation When the SLEEP timer is set the thermostat setting is When the SLEEP timer is set the thermostat setting is auto automatically lowered 2 F every thirty minutes When the matically raised 2 F every sixty minutes When the thermo thermostat has been lowered a total of 8 F the thermostat stat has been raised a total of 4 F the thermostat setting at setting at that time is maintained until the set time has elapsed that time is maintained until the set time has elapsed at which at which time the air conditioner automatically turns off time the air conditioner automatically turns off SLEEP timer setting SLEEP timer setting i Set time l 30 minutes Set time En 8 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 lef
3. OFF timer or ON timer operation Each time the button is pressed the timer function changes in the follow ing order m CANCEL gt OFF gt ON PROGRAM OFF ON OFF ON 4 The indoor unit s green TIMER Indicator Lamp Fig 3 will light Use the TIMER SET buttons Fig 5 to adjust the desired OFF time or ON time Set the time while the time display is flashing the flashing will continue for about five seconds button Press to advance the time EJ button Press to reverse the time About five seconds later the entire display will reappear To Use the Program timer 1 2 Press the START STOP button Fig 5 4 if the unit is already operating proceed to step 2 The indoor unit s OPERATION Indicator Lamp red Fig 3 will light Set the desired times for OFF timer and ON timer See the section To Use the ON timer or OFF timer to set the desired mode and times About three seconds later the entire display will reappear The indoor unit s TIMER Indicator Lamp green Fig 3 will light Press the TIMER MODE button Fig 5 to select the PROGRAM timer operation OFF ON or OFF ON will display The display will alternately show OFF timer and ON timer then change to show the time setting for the operation to occur first The program timer will begin operation If the ON timer has been se lected to operate first the unit wi
4. open the Intake Grille wide so that it become horizontal Intake Grille f Hooks two places 2 Remove dust with a vacuum cleaner or by washing After washing allow to dry thoroughly in a shaded place 3 Replace the Air Filter and close the Intake Grille Align the sides of the air filter with the panel and push in fully making sure the two lower tabs are returned properly to their holes in the panel 2 Clean with water Remove dust with a vacuum cleaner wipe the unit with warm water then dry with a clean soft cloth 3 Replace the Intake Grille Hooks two places Pull the knobs all the way Close the Intake Grille Hold the grille horizontal and set the left and right For purposes of example the illustration shows the unit mounting shafts into the bearings at the top of the without Intake Grille installed panel Press the place where the arrow on the diagram indi Dust can be cleaned from the air filter either with a vacuum cates and close the Intake Grille cleaner or by washing the filter in a solution of mild de tergent and warm water If you wash the filter be sure to allow it to dry thoroughly in a shady place before rein stalling Mounting shaft Bearing If dirt is allowed to accumulate on the air filter air flow will be reduced lowering operating efficiency and increas Knob ing noise During
5. periods of normal use the Air Filters should be cleaned every two weeks sauna When used for extended periods the unit may accumulate dirt inside reducing its performance We recommend that the unit be inspected regularly in addition to your own cleaning and care For more information consult authorized service personnel When cleaning the unit s body do not use water hotter than 104 F harsh abrasive cleansers or volatile agents like benzene or thinner Do not expose the unit body to liquid insecticides or hairsprays When shutting down the unit for one month or more first allow the fan mode to operate continuously for about one half day to allow internal parts to dry thoroughly En 11 CLEANING AND CARE Air Cleaning Filter Installation 1 Open the Intake Grille and remove the Air filters gt EE SE ir m 2 Install the Air cleaning filter set set of 2 Set the air cleaning filter into the air cleaning filter frame Air Filter Right amp Left Air cleaning filter set Air cleaning filter frame Air cleaning filter Engage the latch at both ends of the filter with the two hooks at the rear of the air cleaning filter frame Hook 2 places at the rear A Latch 2 places Take care that the air cleaning filte
6. will go out Airflow direction will return to the setting before swing was begun About Swing Operation During cooling Dry mode Swings between and During heating mode Swings between and The SWING operation may stop temporarily when the air conditioner s fan is not operating or when operating at very low speeds COIL DRY OPERATION The Indoor unit can be dried by pressing the COIL DRY button on the Remote Control Unit so as to avoid going moldy and restrain the breed of bacterium The COIL DRY Operation will operate for 20 minutes after pressing the COIL DRY button and it will stop automatically To select COIL DRY Operation Press the COIL DRY button Fig 5 9 during operation or when it stops The COIL DRY Display Fig 6 and COIL DRY Indicator Lamp orange Fig 3 will light Then it will disappear after 20 minutes To cancel COIL DRY Operation Press the START STOP button Fig 5 during COIL DRY Operation The COIL DRY Display Fig 6 and COIL DRY Indicator Lamp orange Fig 3 will go out Then the operation stops About COIL DRY Operation Press the COIL DRY button again during COIL DRY Operation COIL DRY Opera tion can be reset The COIL DRY Operation cannot get rid of the existed mould or bacterium and it has no sterilization effect either When the COIL DRY Operation is used stop all indoor units and operate one unit a
7. HOOTING eneen OPERATING TIPS i ccccecscsscestcvetcaatenncvencestcaseresess SAFETY PRECAUTIONS DANGER CAUTION En 1 Do not attempt to install this air conditioner by yourself This unit contains no user serviceable parts Always consult authorized service per sonnel for repairs When moving consult authorized service personnel for disconnection and installa tion of the unit Do not become excessively chilled by staying for lengthy periods in the direct cooling airflow Do not insert fingers or objects into the outlet port or intake grilles Do not start and stop air conditioner operation by disconnecting the power supply cord and so on Take care not to damage the power supply cord In the event of a malfunction burning smell etc immediately stop operation dis connect the power supply plug and consult authorized service personnel If the power supply cord of this appliance is damaged it should only be replaced by the authorized service personal since special purpose tools and specified cord are required Provide occasional ventilation during use Do not direct air flow at fireplaces or heating apparatus Do not climb on or place objects on the air conditioner Do not hang objects from the indoor unit Do not set flower vases or water containers on top of air conditioners Do not expose the air conditioner directly to water Do not oper
8. Indicator Lamp red will flash En 14 OPERATING 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 timer will be reset and the unit will begin or stop operation at the new time setting In the event that this kind of timer fault occurs the TIMER Indicator Lamp will flash see Page 3 Use of other electrical appliances electric shaver etc or nearby use of a wireless radio transmitter may cause the air conditioner to malfunction In this event temporarily disconnect the Power Supply Plug reconnect it and then Multi type Air conditioner use the Remote Control Unit to resume operation This indoor unit can be connected to a multi type outdoor unit The multi type air conditioner allows multiple indoor units to be operated in multiple locations The indoor units may be operated simultaneously in accordance with their respective output Simultaneous Use of Multiple Units When using a multi type air conditioner the multiple indoor units can be operated simultaneously but when two or more indoor units of the same group are oper ated simultaneously the heating and cooling efficiency will be less than wh
9. Use to cool your room Use for gently cooling while dehumidifying your room You cannot heat the room during Dry mode During Dry mode the unit will operate at low speed in order to adjust room humidity the indoor unit s fan may stop from time to time Also the fan may operate at very low speed when adjusting room humidity The fan speed cannot be changed manually when Dry mode has been selected Use to circulate the air throughout your room During Heating mode Set the thermostat to a temperature set ting that is higher than the current room temperature The Heating mode will not operate if the thermostat is set lower than the actual room temperature During Cooling Dry mode Set the thermostat to a temperature set ting that is lower than the current room temperature The Cooling and Dry modes will not operate if the thermostat is set higher than the actual room temperature in Cooling mode the fan alone will oper ate During Fan mode You can not use the unit to heat and cool your room En 6 TIMER OPERATION Before using the timer function be sure that the Remote Control Unit is set to the correct current time 1 P 4 To Use the ON timer or OFF timer 1 2 Press the START STOP button Fig 5 if the unit is already operating proceed to step 2 The indoor unit s OPERATION Indicator Lamp red Fig 3 will light Press the TIMER MODE button Fig 5 to select the
10. ate the air conditioner with wet hands Do not pull power supply cord Turn off power source when not using the unit for extended periods Check the condition of the installation stand for damage Do not place animals or plants in the direct path of the air flow Do not drink the water drained from the air conditioner Do not use in applications involving the storage of foods plants or animals precision equipment or art works Connection valves become hot during Heating handle with care Do not apply any heavy pressure to radiator fins Operate only with air filters installed Do not block or cover the intake grille and outlet port Ensure that any electronic equipment is at least one metre away from either the in door or outdoor units Avoid installing the air conditioner near a fireplace or other heating apparatus When installing the indoor and outdoor units take precautions to prevent access by infants Do not use inflammable gases near the air conditioner FEATURES 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 co DRY OPERATION The Indoor unit can be dried by pressing the COIL DRY but ton on the Remote Control Unit so as to avoid going moldy and restrain the breed of bacterium
11. ch will not completely disconnect the unit from the power source Always be sure to disconnect the Power Supply Plug or turn off your circuit breaker to ensure that power is completely off Before requesting service perform the following checks Symptom Problem See Page NORMAL FUNCTION Doesn t operate immedi ately Ifthe 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 disconnected and then re connected to a power outlet the protection circuit will operate for about 3 minutes preventing unit operation during that period Noise is heard During operation and immediately after stopping the unit the sound of water flowing in the air conditioner s piping may be heard Also noise may be particularly noticeable for about 2 to 3 minutes after starting operation sound of coolant flowing During operation a slight squeaking sound may be heard This is the result of minute expansion and contraction of the front cover due to temperature changes During Heating operation a sizzling sound may be heard occasion ally This sound is produced by the Automatic Defrosting operation 14 Smells Some smell may be emitted from the indoor unit This smell is the result of room smells furniture tobacco etc which have been taken into the air conditioner Mist or steam a
12. d Humidity Range Cooling Dry Mode Heating Mode Outdoor temperature About 32 to 115 F About 14 to 75 F Indoor temperature About 64 to 90 F 88 F or less Outdoor temperature About 80 or less If the unit is used for long pe 68 F or above riods under high humidity a conditions condensation may Indoor Humidity form on the surface of the in Outdoor temperature About 50 or less door unit and drip onto the below 68 F floor or other objects under neath If the air conditioner is operated under higher temperature conditions than those listed the built in protection circuit may operate to prevent internal circuit damage Also during Cooling and Dry modes if the unit is used under conditions of lower temperature than those listed above the heat exchanger may freeze leading to water leakage and other damage En 16
13. d in differ FUNCTION ent operation modes as shown below the units operated after ward will stop and the OPERATION indicator lamp red will flash 15 Heating mode and cooling mode or dry mode Heating mode and fan mode Water is produced from During Heating operation water may be produced from the out the outdoor unit door unit due to the Automatic Defrosting operation Symptom Items to check See Page CHECK ONCE Doesn t operate at all Is the Power Supply Plug disconnected its outlet MORE Has there been a power failure Has a fuse blown out or a circuit breaker been tripped Is the timer operating 7 8 Poor Cooling performance Is the Air Filter dirty Air the air conditioner s intake grille or outlet port blocked Did you adjust the room temperature settings thermostat cor rectly Is there a window or door open Inthe case of Cooling operation is a window allowing bright sun light to enter Close the curtains In the case of Cooling operation are there heating apparatus and computers inside the room or are there too many people in the room Is the unit set for SUPER QUIET operation 5 Are the Remote Control Unit s batteries dead Are the Remote Control Unit s batteries loaded properly 4 The unit operates differently from the Remote Control Unit s setting If the problem persists after performing these checks or if yo
14. e Control Unit button again Remote Control Unit Holder Screws sf Mount the Holder Set the Remote Control Unit To remove the Remote Control Unit when use at hand A CAUTION Take 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 amounts of water and consult your physician Dead batteries should be removed immediately and disposed of properly either in a battery collection receptacle or to the appropriate authority Do not attempt to recharge dry batteries Never mix new and used batteries or batteries of different types Batteries should last about one year under normal use If the Remote Con trol Unit s operating range becomes ap preciably reduced replace the batteries and press the RESET button with the tip of a ballpoint pen or other small object En 4 OPERATION To Select Mode Operation 1 Press the START STOP button Fig 5 4 The indoor unit s OPERATION Indicator Lamp red Fig 3 will light The air conditioner will start operating 2 Press the MASTER CONTROL button Fig 5 to se lect the desired mode Each time the button is pressed the mode will change in the foll
15. e air direction adjustments within the ranges shown above The vertical airflow direction is set automatically as shown in accordance with the type of operation selected During Cooling Dry mode Horizontal flow tion During Heating mode Downward flow D When used in a room with infants chil During AUTO mode operation for the first minute after beginning operation dren elderly or sick persons the air airflow will be horizontal the air direction cannot be adjusted during this pe direction and room temperature riod should be considered carefully when making settings Right Left Adjustment A DANGER Adjust the Right Left louvers When adjusting the Right Left Louvers it i j g is necessary to stop the Air Conditioner Move the Right Left louvers to adjust air flow in the direction you prefer first and make sure that it stops completely before adjusting the direction Right Left Louvers knob knob three places En 9 SWING OPERATION Begin air conditioner operation before performing this procedure To select SWING Operation Press the SWING button Fig 5 The SWING Display Fig 6 69 will light In this mode the Air Flow Direction Louvers will swing automatically to direct the air flow both up and down To stop SWING Operation Press the SWING button Fig 5 once again The SWING Display Fig 6 69
16. en a single indoor unit is used alone Accordingly when you wish to use more than one in door unit for cooling at the same time the use should be concentrated at night and other times when less out put is required In the same way when multiple units are used simultaneously for heating it is recommended that they be used in conjunction with other auxiliary space heaters as required Seasonal and outdoor temperature conditions the struc ture of the rooms and the number of persons present may also result in differences of operating efficiency We recommend that you try various operating patterns in order to confirm the level of heating and cooling out put provided by your units and use the units in the way that best matches your family s lifestyle If you discover that one or more units delivers a low level of cooling or heating during simultaneous opera tion we recommend that you stop simultaneous opera tion of the multiple units Operation cannot be done in the following different op erating modes If the indoor unit is instructed to do an operating mode that it cannot perform the OPERATION indicator lamp red on the indoor unit will flash 1 second on 1 sec ond off and the unit will go into the standby mode Heating COIL DRY mode and cooling mode or dry mode Heating COIL DRY mode and fan mode Operation can be done in the following different operat ing modes Cooling mode and dry mode Cooling m
17. ll stop operating at this point About five seconds later the entire display will reappear About the Program timer The program timer allows you to integrate OFF timer and ON timer operations in a single sequence The sequence can involve one transition from OFF timer to ON timer or from ON timer to OFF timer within a twenty four hour period The first timer function to operate will be the one set nearest to the current time The order of operation is indicated by the arrow in the Remote Control Unit s Display OFF ON or OFF lt ON One example of Program timer use might be to have the air conditioner auto matically stop OFF timer after you go to sleep then start ON timer automati cally in the morning before you arise En 7 To Cancel the Timer Use the TIMER button to select CANCEL The air conditioner will return to normal operation To Change the Timer Settings Perform steps 2 and 3 To Stop Air Conditioner Operation while the Timer is Operating Press the START STOP button To Change Operating Conditions If you wish to change operating conditions Mode Fan Speed Thermostat Setting SUPER QUIET mode after making the timer setting wait until the entire display reappears then press the appropriate buttons to change the operating condition desired To Cancel the Timer Use the TIMER MODE button to select CANCEL The air conditione
18. ode and fan mode Dry mode and fan mode Heating mode and COIL DRY mode The operating mode heating COIL DRY mode or cool ing dry mode of the outdoor unit will be determined by the operating mode of the indoor unit that was oper ated first If the indoor unit was started in fan mode the operating mode of the outdoor unit will not be deter mined For example if indoor unit A was started in fan mode and then indoor unit B was then operated in heating mode indoor unit A would temporarily start opera tion in fan mode but when indoor unit B started oper ating in heating mode the OPERATION indicator lamp red for indoor unit A would begin to flash 1 second on 1 second off and it would go into standby mode Indoor unit B would continue to operate in heating mode Notice During use of the heating mode the outdoor unit will occasionally commence the defrost operation for brief periods During the defrosting operation if the user sets the indoor unit for heating again the defrosting mode will continue and the heating operation will begin after completion of defrosting with the result that some time may be required before warm air is emitted En 15 During use of the heating mode the top of the indoor unit may become warm but this is due to the fact that coolant is circulated through the indoor unit even when it is stopped it is not a malfunction OPERATING TIPS Temperature an
19. oon as possible after the package has been opened The air cleaning effect decreases when the filters are left in the opened package Generally the filters should be exchanged about every three months Please buy delicated air cleaning filters UTR FC03 2 Sold separately to exchange the used dirty air cleaning filters Negative air ions deodorizing filter one sheet light green The filters should be exchanged about every three years so as to maintain the deodorizing effect Filter frame is not a one off product Please buy delicated deodorizing filter UTR FC03 4 Sold separately when exchanging the filters Maintenance of Deodorizing Filters In order to maintain the deodorizing effect please clean the filter in the follow way once three months Remove the deodorizing filter Clean with water and dry in the air 1 Flush the filters with high pressure hot water until the surface of the filters are covered with water Please flush with diluent neutral detergent Never wash by reaming or rubbing otherwise it will damage the deodorizing effect 2 Rinse with water flow 3 Dry in shade Reinstall the deodorizing filter En 12 TROUBLESHOOTING WARNING In the event of a malfunction burning smell etc immediately stop operation disconnect the Power Supply Plug and consult authorized service personnel Merely turning off the unit s power swit
20. ow setting during Monitor operation and at the start of the Heating mode SUPER QUIET Operation SUPER QUIET operation begins The indoor unit s airflow will be reduced for quieter operation SUPER QUIET operation cannot be used during Dry mode The same is true when dry mode is selected during AUTO mode operation During Super Quiet operation Heating and Cooling performance will be reduced somewhat If the room does not warm up cool down when using SUPER QUIET Operation please adjust the air conditioner s Fan Speed En 5 MASTER FAN CONTROL CONTROL COIL DRY SET CJ reu GJ SLEEP w SWING Example When set to COOL a MASTER FAN CONTROL CONTROL Example When set to 80 F MASTER FAN CONTROL CONTROL COIL DRY A 3 SET C_ rie CO SLEEP w CSWING Example When set to AUTO To Stop Operation Press the START STOP button Fig 5 The OPERATION Indicator Lamp red Fig 3 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 proper operating mode If the differance between thermostat setting and actual room tempera ture is more than 4 F gt Cooling or dry operation If the difference between thermostat setting and actual room tempera ture is
21. owing order gt AUTO gt COOL gt DRY HEAT FAN About three seconds later the entire display will reappear To Set the Thermostat Press the SET TEMP button Fig 5 amp button Press to raise the thermostat setting button Press to lower the thermostat setting Thermostat setting range AUTO sins nnn oren 64 F to 88 F Heating ssanma annae 60 F to 88 F Cooling Dry naren enen 64 F to 88 F The thermostat cannot be used to set room temperature during the FAN mode the temperature will not appear on the Remote Control Unit s Display About three seconds later the entire display will reappear The thermostat setting should be considered a standard value and may differ somewhat from the actual room temperature To Set the Fan Speed Press the FAN CONTROL button Fig 5 6 Each time the button is pressed the fan speed changes in the following order gt AUTO gt HIGH gt MED gt LOW gt QUIET About three seconds later the entire display will reappear When set to AUTO Heating Fan operates so as to optimally circulate warmed air However the fan will operate at very low speed when the temperature of the air issued from the indoor unit is low Cooling As the room temperature approaches that of the thermostat setting the fan speed becomes slower Fan The fan runs at the low fan speed The fan will operate at a very l
22. play COIL DRY Display 68 SLEEP Display 69 SWING Display En 3 PREPARATION Turn on the Power 1 In the case of a direct line connection turn on the cir cuit breaker Load Batteries AAA R03 LR03 x 2 1 Press and slide the battery compartment lid on the re verse side to open it Slide in the direction of the arrow while pressing the mark n 2 Insert batteries SSG Be sure to align the battery polarities G C correctly 3 Close the battery compartment lid Set the Current time 1 Press the CLOCK ADJUST button Fig 5 9 Use the tip of a ball point pen or other small object to press the button 2 Use the TIMER SET buttons Fig 5 to adjust the clock to the current time button Press to advance the time button Press to reverse the time Each time the buttons are pressed the time will be advanced reversed in one minute increments hold the buttons depressed to change the time quickly in ten minute increments 3 Press the CLOCK ADJUST button Fig 5 again This completes the time setting and starts the clock To Use the Remote Control Unit The Remote Control Unit must be pointed at signal receiver Fig 1 to operate correctly Operating Range About 7 meters When a signal is properly received by the air conditioner a beeping sound will be heard If no beep is heard press the Remot
23. r does not project be yond the frame Engage the four fixing locations at the top and bot tom of the air cleaning filter frame with the hooks of the air filter Rear of the filter Fixing location hook 4 places 3 Install the two Air filters and close the Intake Grille Air Filter Right amp Left gt ram Si m f When air cleaning filters are used the effect will increased by setting the fan speed to High Replacing dirty Air cleaning filters Replace filters with the following components purchased separately POLYPHENOL CATECHIN AIR CLEANING FILTER UTR FC03 2 Negative air ions deodorizing filter UTR FC03 4 1 Open the Intake Grille and remove the Air filters Air Filter Right amp Left 2 Replace them by two new Air cleaning filters Remove the old air cleaning filters in reverse order of their installation Install in the same way as for installation of the air cleaning filter set 3 Install the two Air filters and close the Intake Grille Air Filter Right amp Left In regard to the Air Cleaning Filters POLYPHENOL CATECHIN AIR CLEANING FILTER one sheet The Air Cleaning Filters are disposable filters They can not be washed and reused For storage of the Air Cleaning Filters use the filters as s
24. r will return to normal operation To Change the Timer Settings 1 Follow the instructions given in the section To Use the ON Timer or OFF Timer to se lect the timer setting you wish to change 2 Press the TIMER MODE button to select either OFF ON or OFF ON To Stop Air Conditioner Operation while the Timer is Operating Press the START STOP button To Change Operating Conditions If you wish to change operating conditions Mode Fan Speed Thermostat Setting SUPER QUIET mode after making the timer setting wait until the entire display reap pears then press the appropriate buttons to change the operating condition desired 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 P 7 aie P To Cancel the Timer While the air conditioner is operating or stopped press the se the TIMER MODE button to select SLEEP button Fig 5 CANCEL The indoor unit s OPERATION Indicator Lamp red Fig 3 lights and the TIMER he alr conditioner will return to normal Indicator Lamp green Fig 3 light Porn To Stop the Air Conditioner During To Change the Timer Settings Timer Operatlan Press the START STOP button Press the SLEEP button Fig 5 once again and set the time using the TIMER SET
25. re emitted During Cooling or Dry operation a thin mist may be seen emitted from the indoor unit This results from the sudden Cooling of room air by the air emitted from the air conditioner resulting in condensation and misting During Heating operation the outdoor unit s fan may stop and steam may be seen rising from the unit This is due to the Auto matic Defrosting operation 14 Airflow is weak or stops When Heating operation is started fan speed is temporarily very low to allow internal parts to warm up During Heating operation if the room temperature rises above the thermostat setting the outdoor unit will stop and the indoor unit will operate at very low fan speed If you wish to warm the room further set the thermostat to a higher setting During Heating operation the unit will temporarily stop opera tion between 7 and 15 minutes as the Automatic Defrosting mode operates During the Automatic Defrosting operation the OPERA TION Indicator Lamp will flash 14 The fan may operate at very low speed during Dry operation or when the unit is monitoring the room s temperature During SUPER QUIET operation the fan will operate at very low speed In the monitor AUTO operation the fan will operate at very low speed En 13 TROUBLESHOOTING Symptom Problem See Page NORMAL Airflow is weak or stops In case of Multi type unit if multiple units are operate
26. rriedric OPERATING MANUAL MODE D EMPLOI MANUAL DE FUNCIONAMIENTO INVERTER HEAT amp COOLING MODEL REVERSE CYCLE ROOM AIR CONDITIONER MULTI SPLIT TYPE Indoor Unit 3 MW09Y3FM A i MW12Y3FM MW18Y3FM q Outdoor Unit MR24DY3F MR36TQY3F il KEEP THIS MANUAL FOR FUTURE REFERENCE CONSERVEZ CE MODE D EMPLOI AFIN DE POUVOIR VOUS Y R F RER ULT RIEUREMENT GUARDE ESTE MANUAL PARA PODERLO CONSULTAR EN EL FUTURO Friedrich Air Conditioning Co P N9373420040 MASTER CONTROL T_ CLOCK ADJUST FAN CONTROL EE TEST RESET a a 2 O OPERATION TIMER SUPER QUIET COIL DRY Ca Fig 6 To facilitate explanation the accompanying illustra tion has been drawn to show all possible indicators in actral operation however the display will only show those indicators appropriate to the current op eration CONTENTS SAFETY PRECAUTIONS nn soon venensgeneennennenn sens En 1 ADJUSTING THE DIRECTION OF FEATURES AND FUNCTIONS nonnen En 2 AIR CIRCULATION neee eeneeeneenvenn NAME OF PARTS aseissa SWING OPERATION neee eneen PREPARATION esiaine COIL DRY OPERATION eneen OPERATION seee MANUAL AUTO OPERATION z TIMER OPERATION CLEANING AND CARE eee SLEEP TIMER OPERATION ne En 8 TROUBLES
27. s when the timer is operating it indicates that a fault has occurred with the timer setting See Page 15 Auto Restart SUPER QUIET Indicator Lamp green COIL DRY Indicator Lamp orange Intake Grille Fig 4 Front Panel Q Air Filter Air Flow Direction Louver Right Left Louver behind Air Flow Direction Louver Drain Hose Air Cleaning Filter Refer to the folded out page on the cover 2 Fig 5 Remote Control Unit SLEEP button MASTER CONTROL button SET TEMP button 4 COIL DRY button Signal Transmitter TIMER MODE button TIMER SET button FAN CONTROL button START STOP button SET button SWING button RESET button TEST RUN button This button is used when installing the conditioner and should not be used un der normal conditions as it will cause the air conditioner s thermostat function to op erate incorrectly Ifthis button is pressed during normal op eration the unit will switch to test opera tion mode and the Indoor Unit s OPERA TION Indicator Lamp and TIMER Indicator Lamp will begin to flash simultaneously To stop the test operation mode press the START STOP button to stop the air condi tioner CLOCK ADJUST button Remote Control Unit Display Fig 6 Transmit Indicator Clock Display 6 Operating Mode Display Timer Mode Display Fan Speed Display Temperature SET Dis
28. t airflow direction is adjusted manually by moving the Air Flow Direction Louvers Whenever making horizontal airflow adjustments start air conditioner operation and be sure that the vertical air direction louvers are stopped Vertical Air Direction Adjustment A DANGER A Never place fingers or foreign objects in Press the SET button Fig 5 side the outlet ports since the internal fan Each time the button is pressed the air direction range will change as follows operates at high speed and could cause personal injury OZOOO OO OD Always use the Remote Control Unit s SET button to adjust the vertical airflow louvers Attempting to move them manually could result in improper op eration in this case stop operation and restart The louvers should begin to operate properly again Types of Air flow Direction Setting DOD During Cooling Dry modes During Heating mode The Remote Control Unit s display does not change During use of the Cooling and Dry modes do not set the Air Flow Direc tion Louvers in the Heating range for long periods of time since wa ter vapor may condense near the out let louvers and drops of water may drip from the air conditioner During the Cooling and Dry modes if the Air Flow Direction Louvers are left in the heat ing range for more than 30 minutes they will automatically return to posi Use th
29. t a time MANUAL AUTO OPERATION Use the MANUAL AUTO operation in the event the Remote Control Unit is lost or otherwise unavailable How To Use the Main Unit Controls When the air conditioner is operated with the controls on the Main Unit it will operate under the same mode as Press the MANUAL AUTO button Fig 2 on the main unit the AUTO mode s lected on the Re control panel mote Control Unit see page 6 To stop operation press the MANUAL AUTO button Fig 2 once again The fan speed selected will be AUTO Controls are located inside the Open Panel and the thermostat setting will be standard 76 F En 10 CLEANING AND CARE Before cleaning the air conditioner be sure to turn it off and disconnect the Power CAUTION he Be sure the Intake Grille Fig 1 is installed securely When removing and replacing the air filters be sure not to touch the heat exchanger as per sonal injury may result Cleaning the Intake Grille Cleaning the Air Filter 1 Remove the Intake Grille 1 Open the Intake Grille and remove the air Place your fingers at both lower ends of the grille filter panel and lift forward if the grille seems to catch partway through its movement continue lifting up ward to remove Lift up the air filter s handle disconnect the two lower tabs and pull out Air filter handle Pull past the intermediate catch and
30. u notice burning smells or the TIMER Indicator Lamp Fig 3 and OPERATION Indicator Lamp Fig 3 flashes immediately stop operation disconnect the Power Supply Plug and con sult authorized service personnel OPERATING TIPS Operation and Performance Heating Performance This air conditioner operates on the heat pump princi ple absorbing heat from outdoor air and transferring that heat indoors As a result the operating performance is Microcomputer controlled Automatic Defrosting When using the Heating mode under conditions of low outdoor temperature and high humidity frost may form on the outdoor unit resulting in reduced operating per reduced as outdoor air temperature drops If you feel that insufficient heating performance is being produced we recommend you use this air conditioner in conjunction with another kind of heating appliance Heat pump air conditioners heat your entire room by recirculating air throughout the room with the result that some time may be required after first starting the air con ditioner until the room is heated formance In order to prevent this kind of reduced performance this unit is equipped with a Microcomputer controlled Auto matic Defrosting function If frost forms the air condi tioner will temporarily stop and the defrosting circuit will operate briefly for about 7 15 minutes During Automatic Defrosting operation the OPERATION
31. unit s air flow is reduced to produce quieter operation POLYPHENOL CATECHIN AIR CLEANING FILTER The polyphenol catechin air cleaning filter uses static elec tricity to clean the air of fine particles and dust such as to bacco smoke and plant pollen that are too small to see The filter contains catechin which is highly effective against various bacteria by suppressing the growth of the bacteria adsorbed by the filter Note that when the air cleaning filter is installed the amount of air produced decreases causing a slight decrease in the air conditioner s performance NEGATIVE AIR IONS DEODORIZING FILTER It comprises pottery super micro particles which can pro duce negative air ions having the effect of deodorizing and can absorb and remit the peculiar smell at home En 2 NAME OF PARTS Fig 1 Indoor Unit Operating Control Panel Fig 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 operation starts by any chance press the START STOP but ton to stop the operation Indicator Fig 3 Remote Control Signal Receiver OPERATION Indicator Lamp red TIMER Indicator Lamp green If the TIMER indicator lamp flashe
32. within 4 F Monitor operation If the difference between thermostat setting and actual room tempera ture is more than 4 F Heating operation When the air conditioner has adjusted your room s temperature to near the thermostat setting it will begin monitor operation In the monitor operation mode the fan will operate at low speed If the room tem perature subsequently changes the air conditioner will once again select the appropriate operation Heating Cooling to adjust the tem perature to the value set in the thermostat The monitor operation range is 4 F relative to the thermostat set ting If the mode automatically selected by the unit is not what you wish select one of the mode operation HEAT COOL DRY FAN About Mode Operation Heating Use to warm your room Cooling Dry Fan When Heating mode is selected the air conditioner will operate at very low fan speed for about 3 to 5 minutes after which it will switch to the selected fan setting This period of time is provided to allow the indoor unit to warm up before begin full operation When the room temperature is very low frost may form on the outside unit and its performance may be reduced In order to remove such frost the unit will automatically enter the defrost cycle from time to time During Automatic Defrosting operation the OPERATION Indica tor Lamp Fig 3 will flash and the heat operation will be inter rupted
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