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Warning notices: Before using this product, please read this manual and SAFETY MANUAL(if any)carefully
and keep it for future reference. The design and specifications are subject to change without prior notice for
product improvement. Consult with your dealer or manufacturer for details.
The diagram above is just for reference. Please take the appearance of the actual product as the standard.
Room Air Conditioner
USER MANUAL
MODEL NUMBER:
MFEP50VA-N
MFEP70VA-N
MFEP80VA-N
MFEP26VA-N
MFEP35VA-N

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Table of Contents
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Summary of Contents for Midea MFEP26VA-N

  • Page 1 Room Air Conditioner USER MANUAL MODEL NUMBER: MFEP26VA-N MFEP35VA-N MFEP50VA-N MFEP70VA-N MFEP80VA-N Warning notices: Before using this product, please read this manual and SAFETY MANUAL(if any)carefully and keep it for future reference. The design and specifications are subject to change without prior notice for product improvement.
  • Page 3: Table Of Contents

    THANK YOU LETTER Thank you for choosing Midea! Before using your new Midea product, please read this manual thoroughly to ensure that you know how to operate the features and functions that your new appliance o ers in a safe way.
  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS It’s really important you 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. Explanation of Symbols Warning of electrical voltage This symbol indicates that there is a danger to life and health of...
  • Page 5 WARNING FOR PRODUCT USE If an abnormal situation arises (like a burning smell), immediately turn o the unit ● and disconnect the power. Call your dealer for instructions to avoid electric shock, fire or injury. Do not insert fingers, rods or other objects into the air inlet or outlet. This may ●...
  • Page 6 TAKE NOTE OF FUSE SPECIFICATIONS The air conditioner’s circuit board (PCB) is designed with a fuse to provide overcurrent protection. The specifications of the fuse are printed on the circuit board , such as : T3.15AL/250VAC, T5AL/250VAC, T3.15A/250VAC, T5A/250VAC, T20A/250VAC, T30A/250VAC,etc. NOTE: For the units with R32 refrigerant , only the blast-proof ceramic fuse can be used.
  • Page 7 CAUTION Turn o the air conditioner and disconnect the power if you are not going to use ● it for a long time. Turn o and unplug the unit during storms. ● Make sure that water condensation can drain unhindered from the unit. ●...
  • Page 8: Specifications 0

    SPECIFICATIONS MFEP26VA-N MFEP35VA-N MFEP50VA-N Product Model MFEP26VA-W MFEP35VA-W MFEP50VA-W 220-240V~ 50Hz, 1Ph Power source Cooling capacity 2.60kW 3.50kW 5.00kW Heating capacity 2.70kW 3.65kW 5.30kW Rated current 10.5A 10.5A 15.0A Rated power input 2300W 2300W 3200W Outdoor unit IP24 resistance class...
  • Page 9: Product Overview

    PRODUCT OVERVIEW NOTE ON ILLUSTRATIONS: Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly di erent. The actual shape shall prevail. Air-break switch Air Filter(Pull it upwards) Wall Mounting Plate Remote Controller Remote controller Holder Front Panel Drainage Pipe...
  • Page 10 PRODUCTION INSTALLATION 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 11 INSTALLATION SUMMARY - INDOOR UNIT Distance from ceiling is determinded by the installation method. ≥ ≥ 12cm 12cm (4-3/4") (4-3/4") ≥ 2.3m (7/8") BUBBLE LEVEL inch LIQUID inch RECOMMAND Select Installation Location Attach Mounting Plate Determine Wall Hole Position Drill Wall Hole Connect Piping Connect Wiring (Not applicable for some...
  • Page 12: Install Your Indoor Unit 1

    Install You Indoor Unit Select installation location : Prior to installation NOTE Before installing the indoor unit, refer to the label on the product box to make sure that the model number of the indoor unit matches the model number of the outdoor unit. The following are standards that will help you choose an appropriate location for the unit.
  • Page 13 Drill wall hole for connective piping Determine wall hole location NOTE : The wall hole size The size of the wall hole is determined by the connective pipes. When the size of the gas side Φ connective pipe is 16mm(5/8") or more, the wall hole should be 90mm(3-9/16"). For the size of Φ...
  • Page 14 CAUTION When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive components. Drill wall hole 65mm 90mm (2-1/2") (3-9/16") Step 1: Using a 65mm (2-1/2") or 90mm(3-9/16") core drill(depending on models ) Using a 65mm (2.5") or 90mm(3.54") core drill(depending on models ), drill a hole in the wall.
  • Page 15 Install refrigerant pipe & drain hose NOTE The refrigerant piping is inside an insulating sleeve attached to the back of the unit. You must prepare the piping before passing it through the hole in the wall. Prepare refrigerant piping Left-hand side Knock-out Panel on the left &...
  • Page 16 If refrigerant piping is already embedded in the wall, do the following: NOTE : UNIT IS ADJUSTABLE 30-50mm 30-50mm Keep in mind that the hooks on the mounting plate are (1-3/16~2in) (1-3/16~2in) smaller than the holes on the back of the unit. If you find that you don’t have ample room to connect Move to left or right embedded pipes to the indoor unit, the unit can be...
  • Page 17 Connect drain hose For the portion of the drain hose that will ● remain indoors, wrap it with foam pipe insulation to prevent condensation. Drain Remove the air filter and pour a small amount hose ● of water into the drain pan to make sure that water flows from the unit smoothly.
  • Page 18 Electrical work preparation WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE REGULATIONS ● BEFORE PERFORMING ANY ELECTRLCAL OR WIRING WORK, TURN OFF ● THE MAIN POWER TO THE SYSTEM. 1. All wiring must comply with local and Connect signal and power cables national electrical codes, regulations and must be installed by a licensed The signal cable enables communication between...
  • Page 19 1. Open and fix the position of the panel, then, open the covers of the two lock blocks, remove the screw , then hold both sides of the lower panel in the place marked “PULL”, pull it upwards to release the buckles, then take the lower panel First open the front panel, then remove down(please refer to Page 14).
  • Page 20 Wrap piping & Cables NOTE Before passing the piping, and drain hose and the signal cable through the wall hole, you must bundle them together to save space, protect them, and insulate them. Indoor Unit Step 1: Bundle the drain hose, refrigerant pipes, and signal cable as shown in the figure(Not applicable for some Space behind locations in North America ).
  • Page 21 Mount indoor unit Hook it Connecting cable Drain hose Put pipes in wall hole Hook it and press down Check that the unit is lightly to secure firmly mounted If you installed new connective piping to the outdoor unit, do the following: If you have already passed the refrigerant piping through the hole in the wall, proceed to Step 4.
  • Page 22: Install Your Outdoor Unit 1

    Install Your Outdoor Unit Select installation location : PRIOR TO INSTALLATION NOTE Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: 60cm(24")...
  • Page 23 Install drain joint(Heat pump unit only) NOTE : PRIOR TO INSTALLATION Before bolting the outdoor unit in place, you must install the drain joint at the bottom of the unit. For the units with base pan built-in with multiple holes for proper draining during defrost, the drain joint is no need to be installed.
  • Page 24 Anchor Outdoor Unit WARNING WHEN DRILLING INTO CONCRETE, EYE PROTECTION IS RECOMMENDED AT ALL TIME. The outdoor unit can be anchored to the ground or to a wall-mounted bracket with bolt(M10). Prepare ● the installation base of the unit according to the dimensions below. The following is a list of di erent outdoor unit sizes and the distance between their mounting feet.
  • Page 25 Connect signal and power cables - Before the Operation WARNING ALL WIRING WORK MUST BE PERFORMED STRICTLY IN ACCORDANCE WITH ● THE WIRING DIAGRAM LOCATED INSIDE OF WIRE COVER OF THE OUTDOOR UNIT. BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK,TURN OFF THE ●...
  • Page 26 In North America The outside unit’s terminal block is protected by an electrical wiring cover on the side of the unit. Terminal block A comprehensive wiring diagram is sticked on the inside of the wiring cover. Remove the wire cover from the unit by ●...
  • Page 27: Refrigent Piping Connection 2

    Refrigerant Piping Connection Piping Connection Precautions WARNING 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.
  • Page 28 CAUTION MUST BE CHECK OVER THE END OF THE PIPE FOR CRACKS AND EVEN FLARING. ENSURE THE PIPE IS SEALED. Remove PVC tape from ends of pipe when Step 2: Remove burrs ● ready to perform flaring work. Clamp flare form on the end of the pipe. Burrs can a ect the air-tight seal of refrigerant ●...
  • Page 29 Refer to Torque Requirement to connect pipes CAUTION WHEN CONNECTING REFRIGERANT PIPES, BE CAREFUL NOT TO USE EXCESSIVE TORQUE OR TO DEFORM THE PIPING IN ANY WAY. YOU SHOULD FIRST CONNECT THE LOW-PRESSURE PIPE, THEN THE HIGH-PRESSURE PIPE. MINIMUM BEND RADIUS ≥10cm Radius (4")
  • Page 30 Connecting Piping to Outdoor Unit NOTE This section still needs to be operated according to the TORQUE REQUIREMENTS chart on the previous page. Step 1: Unscrew the cover from the packed ● valve on the side of the outdoor unit. Unscrew the cover Valve cover...
  • Page 31: Air Evacuation 2

    Air Evacuation NOTE PREPARATIONS AND PRECAUTIONS Air and foreign matter in the refrigerant circuit can cause abnormal rises in pressure, which can damage the air conditioner, reduce its e ciency, and cause injury. Use a vacuum pump and manifold gauge to evacuate the refrigerant circuit, removing any non-condensable gas and moisture from the system.
  • Page 32 Step 2: If there is a change in system pressure, refer to Gas Leak ● Check section for information on how to check for leaks. If there is no change in system pressure, unscrew the cap Flare nut from the packed valve (high pressure valve). ●...
  • Page 33: Electrical And Gas Leak Checks 2

    Electrical And Gas Leak Checks WARNING - RISK OF ELECTRIC SHOCK ALL WIRING MUST COMPLY WITH LOCAL AND NATIONAL ELECTRICAL CODES, AND MUST BE INSTALLED BY A LICENSED ELECTRICIAN. BEFORE TEST RUN Only perform test run after you have completed the following steps: •...
  • Page 34: Test Run 3

    Test Run Test Run Instructions DOUBLE-CHECK PIPE CONNECTIONS 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. ●...
  • Page 35: Packing And Unpacking The Unit

    Packing And Unpacking The Unit Instructions for packing and unpacking the unit: Unpacking: Indoor unit: 1. Cut the sealing tape on the carton with a knife, one cut on the left, one cut in the middle and one cut on the right. 2.Use the vice to take out the sealing nails on the top of the carton.
  • Page 36: Operation Instructions

    OPERATION INSTRUCTIONS NOTE Di erent models have di erent 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 37 Operating Temperature When your air conditioner is used outside of the following temperature ranges, cer- tain safety protection features may activate and cause the unit to disable. Inverter Split Type COOL Mode HEAT Mode DRY Mode Room 16°C~32°C(60°F~90°F) 0°C~30°C(32°F~86°F) 10°C~32°C(50°F~90°F) Temp.
  • Page 38 To further optimize the performance of your unit, do the following: Keep doors and windows closed. ● Limit energy usage by using TIMER ON and TIMER OFF functions. ● Do not block air inlets or outlets. ● Regularly inspect and clean air filters. ●...
  • Page 39 Setting Angle of Air Flow NOTE : Setting vertical angle of air flow(Remote control) 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 operation for details. NOTE ON LOUVER ANGLES Do not set louver at too vertical an angle for long periods of time ●...
  • Page 40 Manual Operation(without remote) CAUTION : For product use The manual button is intended for testing purposes and emergency operation only. Please do not use this function unless the remote control is lost and it is absolutely necessary. To restore regular operation, use the remote control to activate the unit. Unit must be turned o before manual operation.
  • Page 41: Remote Control Operation 3

    Remote Control Operation RG10A(B2S)/BGEF, RG10A(B2S)/BGEFU1, RG10A1(B2S)/BGEF,RG10A2(B2S)/BGEFU1, Model RG10A2(B2S)/BGCEFU1, RG10A2(B2S)/BGCEF, RG10A10(B2S)/BGEF Rated Voltage 3.0V( Dry batteries R03/LR03×2) Signal Receiving Range Environment -5°C~60°C(23°F~140°F) Quick Start Guide SELECT MODE FIT BATTERIES SELECT TEMPERATURE AUTO COOL HEAT PRESS POWER BUTTON POINT REMOTE TOWARD UNIT SELECT FAN SPEED AU-100% NOT SURE WHAT A FUNCTION DOES?
  • Page 42 Handling the Remote Controller Inserting and Replacing Batteries NOTES FOR USING REMOTE CONTROL Your air conditioning unit may come with two The device could comply with the local national batteries(some units). Put the batteries in the regulations. remote control before use. In Canada, it should comply with •...
  • Page 43 Buttons and Functions Description ON/OFF No.1 Turn the unit on or o . MODE No.2 Auto > Cool > Dry > Heat > Fan NOTE: HEAT mode is not supported by the cooling only appliance. ECO/GEAR No.3 ECO > GEAR(75%) > GEAR(50%) > Previous setting mode >...
  • Page 44 Buttons and Functions Description ON/OFF No.1 Turn the unit on or o . MODE No.2 Auto > Cool > Dry > Heat > Fan NOTE: HEAT mode is not supported by the cooling only appliance. ECO/GEAR No.3 ECO > GEAR(75%) > GEAR(50%) > Previous setting mode >...
  • Page 45 Remote Screen Indicators Information are displayed when the remote controller is power up. Breeze Active Air magic/ Sleep Follow Wireless Low battery Away clean UV lamp mode control (If flashes) mode MODE display Displays the current mode AUTO COOL HEAT Transmission GEAR Timer...
  • Page 46 How to Use Basic Functions NOTE Before operation, please ensure the unit is plugged in and power is available. AUTO Mode Select AUTO mode Set your desired temperature Turn on the air conditioner MODE NOTE: 1. In AUTO mode, the unit will automatically select the COOL, FAN, or HEAT function based on the set temperature.
  • Page 47 Setting the TIMER TIMER ON/OFF - Set the amount of time after which the unit will automatically turn on/o . TIMER ON setting Press Temp. up or down button for Point remote to unit and wait 1sec, Press TIMER button to initiate for multiple times to set the desired the ON time sequence.
  • Page 48 How to Use Advanced Functions Swing function Press Swing button Swing Swing The horizontal louver will swing up and down Keep pressing this button more than 2 seconds, automatically when pressing Swing button. the vertical louver swing function is activated. Press again to make it stop.
  • Page 49 ECO/GEAR function Press this button to enter the energy e cient mode in a sequence of following: GEAR(75%) GEAR(50%) Previous setting mode ECO..Note:This function is only available under COOL mode. ECO operation: NOTE: Pressing the ECO button, or modifying Under cooling mode, press this button, the remote the mode or adjusting the set temperature to controller will adjust the temperature automatically...
  • Page 50 SET function Press the SET button to enter the function setting, then press SET button or TEMP or TEMP button to select the desired function. The selected symbol will flash on the display area, press the OK button to confirm. To cancel the selected function, just perform the same procedures as above.
  • Page 51: Care And Maintenance

    CARE AND MAINTENANCE CAUTION • The cooling e ciency of your unit and your health would be damaged for the glogged AC. Make sure to clean the filter every two weeks. • Always TURN OFF your AC system and disconnect its power supply before cleaning or maintenance.
  • Page 52 CAUTION • Before changing the filter or cleaning, turn o the unit and disconnect its power supply. • When removing filter, do not touch metal parts in the unit. The sharp metal edges can cut you. • Do not use water to clean the inside of the indoor unit. This can destroy insulation and cause electrical shock.
  • Page 53: Troubleshooting 5

    TROUBLESHOOTING CAUTION If any of the following conditions occurs, turn o 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 54 Issue Possible Causes The outdoor unit The unit will make di erent sounds based on its current operating mode. makes noises The unit may accumulate dust during extended periods of non-use, which will Dust is emitted from be emitted when the unit is turned on. This can be mitigated by covering the either the indoor or unit during long periods of inactivity.
  • Page 55 Problem Possible Causes Solution Wait for the power to be restored Power failure The power is turned o Turn on the power The fuse is burned out Replace the fuse The unit is not working Replace batteries Remote control batteries are dead The Unit’s 3-minute protection Wait three minutes after restarting has been activated...
  • Page 56: Trademarks, Copyrights And Legal Statement

    Midea Group and/or its a liates (“Midea”), to which Midea owns trade- marks, copyrights and other intellectual property rights, and all goodwill derived from using any part of an Midea trademark.
  • Page 57: Data Protection Notice

    MideaDPO@midea.com. To exercise your rights such as right to object your personal date being processed for direct marketing purposes, please contact us via MideaDPO@midea.com. To find further information, please follow the QR Code. The design and specifications are subject to change without prior notice for product improvement.
  • Page 60 CS014UI-EP(OBM) 16122000A74528...

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