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SPLIT-TYPE ROOM AIR CONDITIONER
Owner's Manual &
Installation Manual
MSA-FOREST25-I/N
MOX-FOREST25-O/U
MSA-FOREST35-I/N
MOX-FOREST35-O/U
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.

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Chapters

Table of Contents
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Summary of Contents for Midea MSA-FOREST25-I/N

  • Page 1 SPLIT-TYPE ROOM AIR CONDITIONER Owner’s Manual & Installation Manual MSA-FOREST25-I/N MOX-FOREST25-O/U MSA-FOREST35-I/N MOX-FOREST35-O/U IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
  • Page 2: Table Of Contents

    Table of Contents Safety Precautions ................03 Owner’s Manual Unit Specifications and Features ............07 1. Indoor unit display.........................07 2. Operating temperature........................08 3. Other features ..........................09 4. Setting angle of airflow.........................10 5. Manual operation (without Remote)....................10 Care and Maintenance ..............11 Troubleshooting .................13...
  • Page 3 Installation Manual Accessories ..................16 Installation Summary - Indoor Unit ..........17 Unit Parts .....................18 Indoor Unit Installation ..............19 1. Select installation location......................19 2. Attach mounting plate to wall......................19 3. Drill wall hole for connective piping....................20 4. Prepare refrigerant piping.......................21 5. Connect drain hose........................21 6.
  • Page 4: Safety Precautions

    Safety Precautions Read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. WARNING CAUTION This symbol indicates the possibility of This symbol indicates the possibility property damage or serious consequences.
  • Page 5 CLEANING AND MAINTENANCE WARNINGS Turn off the device and disconnect the power before cleaning. Failure to do so can cause • electrical shock. Do not clean the air conditioner with excessive amounts of water. • Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning agents •...
  • Page 6: Owner's Manual

    WARNINGS FOR PRODUCT INSTALLATION 1. Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire. 2. Installation must be performed according to the installation instructions. Improper installation can cause water leakage, electrical shock, or fire. (In North America,installation must be performed in accordance with the requirement of NEC and CEC by authorized personnel only.) 3.
  • Page 7 WARNING for Using R32/R290 Refrigerant When flammable refrigerant are employed, appliance shall be stored in a well -ventilated area where the room size corresponds to the room area as specifiec for operation. For R32 frigerant models: Appliance shall be installed, operated and stored in a room with a floor area larger than 4m . Appliance shall not be installed in an unvertilated space, if that space is smaller than 4m .
  • Page 8: Unit Specifications And Features

    Unit Specifications and Features Indoor unit display NOTE: Different models have different front panel and display window. Not all the indicators describing below are available for the air conditioner you purchased. Please check the indoor display window of the unit you purchased. Illustrations in this manual are for explanatory purposes.
  • Page 9: Operating Temperature

    Operating temperature When your air conditioner is used outside of the following temperature ranges, certain safety protection features may activate and cause the unit to disable. Inverter Split Type FOR OUTDOOR UNITS COOL mode HEAT mode DRY mode WITH AUXILIARY 17°C - 32°C 0°C - 30°C 10°C - 32°C...
  • Page 10: Other Features

    Sleep Operation • A guide on using the infrared remote is not The SLEEP function is used to decrease included in this literature package. Not all energy use while you sleep (and don’t the functions are available for the air need the same temperature settings to conditioner, please check the indoor display stay comfortable).
  • Page 11: Setting Angle Of Airflow

    Setting Angle of Air Flow • Setting vertical angle of air flow While the unit is on, use the SWING/DIRECT button on remote control to set the direction (vertical angle) of airflow. Please refer to the Remote Control Manual for details. NOTE ON LOUVER ANGLES When using COOL or DRY mode, do not set louver at too vertical an angle for long periods...
  • Page 12: Care And Maintenance

    Care and Maintenance Rinse the filter with fresh water, then shake Cleaning Your Indoor Unit off excess water. BEFORE CLEANING OR Dry it in a cool, dry place, and refrain from MAINTENANCE exposing it to direct sunlight. ALWAYS TURN OFF YOUR AIR CONDITIONER When dry, re-clip the air freshening filter to the larger filter, then slide it back into the SYSTEM AND DISCONNECT ITS POWER SUPPLY...
  • Page 13 Maintenance – CAUTION Long Periods of Non-Use Before changing the filter or cleaning, • If you plan not to use your air conditioner for an turn off the unit and disconnect its power extended period of time, do the following: supply.
  • Page 14: Troubleshooting

    Troubleshooting SAFETY PRECAUTIONS If ANY of the following conditions occurs, turn off your unit immediately! The power cord is damaged or abnormally warm • You smell a burning odor • The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips •...
  • Page 15 Issue Possible Causes The outdoor unit The unit will make different sounds based on its current operating mode. makes noises Dust is emitted from The unit may accumulate dust during extended periods of non-use, which will be either the indoor or emitted when the unit is turned on.
  • Page 16 Problem Possible Causes Solution Wait for the power to be restored Power failure The power is turned off Turn on the power The unit is not The fuse is burned out Replace the fuse working Replace batteries Remote control batteries are dead The Unit’s 3-minute protection Wait three minutes after restarting has been activated...
  • Page 17: Accessories

    Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the equipment to fail. The items are not included with the air conditioner must be purchased separately.
  • Page 18: Installation Summary - Indoor Unit

    Installation Summary - Indoor Unit 15cm (5.9in) 12cm 12cm (4.75in) (4.75in) 2.3m (90.55in) Attach Mounting Plate Select Installation Location Determine Wall Hole Position Drill Wall Hole Connect Piping Connect Wiring (not applicable for some locations in the US ) Wrap Piping and Cable Prepare Drain Hose (not applicable for some locations in the US ) STEP...
  • Page 19: Unit Parts

    Unit Parts NOTE: The installation must be performed in accordance with the requirement of local and national standards. The installation may be slightly different in different areas. Air-break switch (1) (2) Functional Filter (On Back of Remote Controller Wall Mounting Plate Main Filter - Some Units) Remote controller Holder Front Panel...
  • Page 20: Indoor Unit Installation

    Indoor Unit Installation NOTE ABOUT WALL HOLE: Installation Instructions – Indoor unit If there is no fixed refrigerant piping: PRIOR TO INSTALLATION While choosing a location, be aware that you Before installing the indoor unit, refer to the should leave ample room for a wall hole (see label on the product box to make sure that the Drill wall hole for connective piping step) model number of the indoor unit matches the...
  • Page 21: Drill Wall Hole For Connective Piping

    Step 3: Drill wall hole for connective piping 1. Determine the location of the wall hole based on the position of the mounting plate. Refer to Mounting Plate Dimensions. 2. Using a 65mm (2.5in) or 90mm(3.54in) Type A (depending on models )core drill, drill a Type B hole in the wall.
  • Page 22: Prepare Refrigerant Piping

    Step 5: Connect drain hose Step 4: Prepare refrigerant piping By default, the drain hose is attached to the left- The refrigerant piping is inside an insulating hand side of unit (when you’re facing the back sleeve attached to the back of the unit. You of the unit).
  • Page 23: Connect Signal Cable

    WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE BEFORE PERFORMING ANY ELECTRICAL REGULATIONS OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM. 1. All wiring must comply with local and national electrical codes, regulations and must be Step 6: Connect signal cable installed by a licensed electrician.
  • Page 24: Wrap Piping And Cables

    pen front panel of the indoor unit. 1. O NOTE ABOUT WIRING Using a screwdriver, open the wire box cover THE WIRING CONNECTION PROCESS MAY on the right side of the unit. This will reveal DIFFER SLIGHTLY BETWEEN UNITS AND the terminal block.
  • Page 25: Mount Indoor Unit

    Step 8: Mount indoor unit Connect drain hose and refrigerant piping (refer to Refrigerant Piping Connection If you installed new connective piping to the section of this manual for instructions). outdoor unit, do the following: Keep pipe connection point exposed to If you have already passed the refrigerant perform the leak test (refer to Electrical piping through the hole in the wall, proceed...
  • Page 26: Outdoor Unit Installation

    Outdoor Unit Installation Install the unit by following local codes and install unit in the following locations: DO NOT regulations , there may be differ slightly between different regions. Near an obstacle that will block air inlets and outlets Near a public street, crowded areas, or where noise from the unit will disturb others Near animals or plants that will be harmed by hot air discharge...
  • Page 27: Install Drain Joint

    Step 2: Install drain joint(Heat pump unit only) Step 3: Anchor outdoor unit Before bolting the outdoor unit in place, you must The outdoor unit can be anchored to the install the drain joint at the bottom of the unit. ground or to a wall-mounted bracket with Note that there are two different types of drain bolt(M10).
  • Page 28 Outdoor Unit Dimensions (mm) Mounting Dimensions Distance A (mm) Distance B (mm) W x H x D 681x434x285 (26.8”x17.1”x11.2”) 460 (18.1”) 292 (11.5”) 700x550x270 (27.5”x21.6”x10.6”) 450 (17.7”) 260 (10.2”) 450 (17.7”) 260 (10.2”) 700x550x275 (27.5”x21.6”x10.8”) 255 (10.0”) 720x495x270 (28.3”x19.5”x10.6”) 452 (17.7”) 452 (17.8”) 302(11.9”) 728x555x300 (28.7”x21.8”x11.8”)
  • Page 29: Connect Signal And Power Cables

    Step 4: Connect signal and power cables 2. Unscrew the electrical wiring cover and remove it. The outside unit’s terminal block is protected by 3. Unscrew the cable clamp below the terminal an electrical wiring cover on the side of the unit. block and place it to the side.
  • Page 30: Refrigerant Piping Connection

    Refrigerant Piping Connection When connecting refrigerant piping, do not let substances or gases other than the specified refrigerant enter the unit. The presence of other gases or substances will lower the unit’s capacity, and can cause abnormally high pressure in the refrigeration cycle. This can cause explosion and injury.
  • Page 31: Remove Burrs

    Step 2: Remove burrs PIPING EXTENSION BEYOND FLARE FORM Burrs can affect the air-tight seal of refrigerant Outer Diameter of A (mm) piping connection. They must be completely Max. Pipe (mm) Min. Max. removed. Ø 6.35 (Ø 0.25”) 0.7 (0.0275”) 1.3 (0.05”) Hold the pipe at a downward angle to prevent Ø...
  • Page 32 Tighten the flare nut as tightly as possible by hand. Using a spanner, grip the nut on the unit tubing. While firmly gripping the nut on the unit tubing, use a torque wrench to tighten the flare nut according to the torque values in the Torque Requirements table below.
  • Page 33: Air Evacuation

    Air Evacuation If there is a change in system pressure, refer Preparations and Precautions to Gas Leak Check section for information Air and foreign matter in the refrigerant circuit can on how to check for leaks. If there is no cause abnormal rises in pressure, which can damage change in system pressure, unscrew the cap from the packed valve (high pressure valve).
  • Page 34: Note On Adding Refrigerant

    Note on Adding Refrigerant Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is 7.5m (25’). In other areas, the standard pipe length is 5m (16‘). The refrigerant should be charged from the service port on the outdoor unit’s low pressure valve.
  • Page 35: Electrical And Gas Leak Checks

    Electrical and Gas Leak Checks Before Test Run WARNING – RISK OF ELECTRIC SHOCK Only perform test run after you have completed ALL WIRING MUST COMPLY WITH LOCAL the following steps: AND NATIONAL ELECTRICAL CODES, Electrical Safety Checks – Confirm that •...
  • Page 36: Test Run

    Test Run DOUBLE-CHECK PIPE CONNECTIONS Test Run Instructions During operation, the pressure of the You should perform the Test Run for at least 30 refrigerant circuit will increase. This may minutes. reveal leaks that were not present during your Connect power to the unit. initial leak check.
  • Page 37 Impedance Information (Applicable to the following units only) This appliance MSAFB-12HRN1-QC6 can be connected only to a supply with system impedance no more than 0.373 . In case necessary, please consult your supply authority for system impedance information. This appliance MSAFD-17HRN1-QC5 can be connected only to a supply with system impedance no more than 0.210 .
  • Page 38 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version.
  • Page 39 MSA-FOREST25-I/N MOX-FOREST25-O/U MSA-FOREST35-I/N MOX-FOREST35-O/U VIKTIGT: Läs noga igenom bruksanvisningen innan din nya klimatanlä ggning installeras eller tas i bruk. Spara bruksanvisningen för framtida bruk.
  • Page 40 Innehållsförteckning Bruksanvisning Säkerhetsföreskrifter Specifikationer och funktioner Manuell styrning (utan fjärrkontroll) Skötsel och underhåll Felsökning Europeiska riktlinjer om avfallshantering...
  • Page 41 Varning: Brandrisk/ lättantändliga material (Gäller endast R32-enheter) Service får endast utföras i enlighet med anvisningar från tillverkaren av enheten. VARNING: Underhålls och reparationsåtgärder som ska utföras av kvalificerad personal bör utföras under uppsyn av en kompetent specialist inom användning av lättantändliga köldmedier. Se närmare information i avsnittet ”Serviceinformation”...
  • Page 42: Säkerhetsföreskrifter

    Säkerhetsföreskrifter Läs igenom sä kerhetsföreskrifterna före installation av enheten Fel installation på grund av underlåtenhet att följa instruktionerna kan leda till allvarlig skada eller personskada. Risken för eventuell skada eller personskada markeras med antingen VARNING eller VAR FÖRSIKTIG. Denna symbol visar att underlåtenhet att följa instruktionerna kan leda till död eller allvarlig personskada VARNING Denna symbol visar att underlåtenhet att följa instruktionerna kan leda till...
  • Page 43 ELRELATERADE VARNINGAR • Använd endast avsedda kablar. En skadad kabel ska bytas ut av tillverkaren eller ett certifierat servicecenter. • Håll stickproppen ren. Rengö r stickproppen från all damm och smuts som samlas på eller runt den. Smutsiga stickproppar kan orsaka brand eller elstö t. •...
  • Page 44: Specifikationer Och Funktioner

    Specifikationer och funktioner av enheten Komponenter av enheten Frontpanel Strö mkabel (vid vissa enheter) Fjärrkontrollhållare (vid Fjärrkontroll vissa enheter) Luftriktare Skä rm Skä rm ” visas i 3 sekunder när: ● TIMER ON (timerstyrd på slagning) ställs in ● funktioner, SWING (svängning), TURBO eller SILENCE (tyst drift) aktiveras ”...
  • Page 45 Åtgärder för optimal function Prestandan för funktionslägen COOL, HEAT och DRY kan optimeras inom följande temperaturområden. Om klimatanläggningen används utanför dessa områden kan vissa säkerhetsfunktioner aktiveras och begränsa enhetens funktion till en lägre nivå än den optimala. Inverter av split-typ FÖR UTOMHUSDELAR COOL-läget HEAT-läget...
  • Page 46 • Minne för luftriktarvinkeln (vid vissa Se bruksanvisningen för fjärrkontrollen fö r enheter) Vid påslagning av enheten närmare beskrivning av varje funktion. återgå r luftriktarna automatiskt till den senast inställda vinkeln. Övriga funktioner • Detektering av läckage av köldmediet • (some units) Automatisk å...
  • Page 47 • Inställning av vinkeln för luftflödet Inställning av vertikalvinkeln för luftflödet Medan enheten är på slagen, använd knappen SWING/DIRECT fö r att ställa in riktningen (vertikalvinkeln) för luftflödet. 1. Tryck en gång på knappen SWING/DIRECT för att aktivera Område luftriktaren. Varje knapptryckning justerar luftriktaren med 6°...
  • Page 48 • Insomningsfunktionen SLEEP-funktionen (insomningsfunktionen) anvä nds fö r att spara energi medan du sover (och temperaturinställningarna för dagtid inte behövs för komfort). Denna funktion kan endast aktiveras via fjärrkontrollen. Tryck på SLEEP-knappen när du ska lä gga dig. I COOL- läget kommer enheten att hö...
  • Page 49: Manuell Styrning (Utan Fjärrkontroll)

    Manual Operation {Without Remote) Manuell styrning (utan fjärrkontroll) Användning av enheten utan VAR FÖRSIKTIG fjärrkontroll Knappen för manuell styrning ä r endast avsedd Om fjä rrkontrollen inte fungerar kan enheten för att användas för test och styrning i styras manuellt med knappen MANUAL nödsituationer.
  • Page 50: Skötsel Och Underhåll

    Skötsel och underhåll 6. Skölj filtret med rent vatten, skaka av Rengöring av inomhusdelen överflödigt vatten. 7. Låt filtret torka i ett svalt och torrt ställe, FÖRE RENGÖRING ELLER skyddat från direkt solstrålning. UNDERHÅLL 8. När filtret är torrt, sätt fast luftreningsfiltret STÄNG ALLTID AV KLIMATANLÄGGNINGS- vid det större filtret och sätt tillbaka filtret i SYSTEMET OCH KOPPLA UR STRÖMMEN...
  • Page 51 Underhåll – före avstängning för VAR FÖRSIKTIG en längre tid • Stäng av enheten och koppla ur strö mmen Om klimatanlä ggningen inte ska användas under före byte eller rengöring av filtret. en längre tid, gör så hä r: • Rör inte vid enhetens metalldelar när du tar ut filtret.
  • Page 52: Felsökning

    Felsökning SÄKERHETSFÖRESKRIFTER Stäng genast av enheten om NÅGOT av följande inträ ffar! • The power cord is damaged or abnormally warm • You smell a burning odor • The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips •...
  • Page 53 Ett brusande ljud kan uppstå när luftriktarens lä ge återställs. Ljud från inomhusdelen Ett vinande ljud kan uppstå efter att enheten har körts i HEAT-lä get på grund av svällning och krympning av enhetens plastdelar. Lågt väsande ljud under drift: Detta ä r normalt och beror på flödet av kylgas genom inomhus- och utomhusdelen.
  • Page 54 Felsökning Kontrollera följande vid funktionsfel innan du kontaktar en reparatör: Problem Möjliga orsaker Åtgärd Temperaturinställningen är Sänk temperaturinställningen lägre än rumstemperaturen Inomhus- eller Rengör respektive värmeväxlare utomhusdelens värmeväxlare är smutsig Ta ut och rengör filtret Luftfiltret är smutsigt Luftintaget på inomhus- eller Stäng av enheten, avlägsna utomhusdelen är blockerat tilltäppningen och å...
  • Page 55 Problem Möjliga orsaker Åtgärd Vänta tills strö mavbrottet Strö mavbrott upphör Strö mmen är avstängd Slå på strömmen Säkringen har gått Byt ut sä kringen Enheten fungerar inte Batterierna i fjä rrkontrollen Byt ut batterierna är urladdade 3 minuters skyddsfunktion Vänta i 3 minuter fö...
  • Page 56: Europeiska Riktlinjer Om Avfallshantering

    Europeiska riktlinjer för avfallshantering Enheten innehåller köldmedium och andra eventuellt farliga material. Sä rskild insamling och hantering av en uttjänt enhet krävs enligt lagstiftning. Produkten får inte hanteras som hushållsavfall eller osorterat kommunalt avfall. Följande möjligheter till hantering av en uttjänt enhet finns: •...
  • Page 60 Konstruktionen och specifikationer kan ändras utan föregående meddelande på grund av produktutveckling. Rådfrå ga fö rsäljaren eller tillverkaren för närmare information. Se information om aktuella modeller, F-gas och tillverkare i bruksanvisningen/produktbladet som medföljer i förpackningen av utomhusdelen (gä ller endast EU-produkter)

This manual is also suitable for:

Mox-forest25-o/uMsa-forest35-i/nMox-forest35-o/u

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