Midea MFXP20N User Manual

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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:

MFXP20N

MFXP26N

MFXP35N

MFXP50N

MFXP60N

MFXP70N

MFXP80N

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Summary of Contents for Midea MFXP20N

Page 1 Room Air Conditioner USER MANUAL MODEL NUMBER: MFXP20N MFXP50N MFXP26N MFXP60N MFXP35N MFXP70N MFXP80N 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 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 CONTENTS THANK YOU LETTER SAFETY PRECAUTIONS SPECIFICATIONS PRODUCT OVERVIEW PRODUCT INSTALLATION Install Your Indoor Unit...
Page 4 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 MFXP20N MFXP26N MFXP35N Product Model MFXP20W MFXP26W MFXP35W 220-240V~50Hz,1Ph Power source 2.00kW 2.65kW 3.55kW Cooling capacity 2.25kW 2.70kW 3.90kW Heating capacity 9.5A 10.5A 10.5A Rated current 2100W 2300W 2300W Rated power input Outdoor unit IP24 resistance class MFXP50N MFXP60N...
Page 9 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 Functional Filter (On Back of Wall Mounting Plate Remote Controller Main Filter - Some Units) Remote controller Holder...
Page 10 PRODUCT 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 ≥ 15cm (5-7/8") ≥ ≥ 12cm 12cm (4-3/4") (4-3/4") ≥ 2.3m (7/8") Select Installation Location Attach Mounting Plate Determine Wall Hole Position Drill Wall Hole Connect Piping Connect Wiring (Not applicable for some locations in North America ) Prepare Drain Hose Wrap Piping and Cable (Not applicable for some locations in North America )
Page 12 Install Your 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 Step 1： Step 4： Conﬁrm the mounting plate you own. Determine the Remove the screw that attaches the location of the wall hole based on the position of the mounting plate to the back of the mounting plate.The dotted rectangular box above indoor unit.
Page 14 643.6mm (25.3in) 199mm(7.8in) 603mm(23.7in) 389mm (15.3in) 257mm (10.1in) 129mm(5.1in) 322mm(12.7in) 172mm (6.8in) 332mm (13.05in) 173mm (6.8in) 52mm (2.05in) 90mm (3.54in) 90mm (3.54in) Indoor unit dimensions(WxH): Indoor unit dimensions(WxH): 1082mm(42.6in)x337mm(13.3in) 1259mm(49.55in)x362mm(14.25in) NOTE : The wall hole size The size of the wall hole is determined by the connective pipes. When the pipe size of the gas side Φ...
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 Knock-out Panel on side the left &...
Page 16 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 17 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 18 4. Facing the back of the unit, remove the plastic panel on the bottom left-hand side. 5. Feed the signal wire through this slot, from erminal block the back of the unit to the front. Wire cover 6. Facing the front of the unit, connect the wire according to the indoor unit’s wiring diagram, connect the u-lug and ﬁrmly screw each wire to its corresponding terminal.
Page 19 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 20 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 21 If refrigerant piping is already embedded in the wall, do the following: Hook the top of the indoor unit on the upper hook of the ● mounting plate. Use a bracket or wedge to prop up the unit, giving you ●...
Page 22 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. Base pan hole of outdoor unit Step 1： Find out the base pan hole of outdoor unit. Seal Step 2：...
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 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. ≥10cm MINIMUM BEND RADIUS Radius (4") When bending connective refrigerant piping,...
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 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 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 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 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 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 Manual 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.
Page 41 Remote Control Operation RG10A(B2S)/BGEF, RG10A(B2S)/BGEFU1, RG10A1(B2S)/BGEF, Model RG10A2(B2S)/BGEFU1, 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 NOTES FOR USING REMOTE CONTROL Inserting and Replacing Batteries 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 CAN ICES-3(B)/NMB-3(B).
Page 43 Buttons and Functions Before you begin using your new air conditioner, make sure to familiarize yourself with its remote control. The following is a brief introduction to the remote control itself. For instructions on how to operate your air conditioner, refer to the How to Use Basic Functions section of this manual. Description ON/OFF No.1...
Page 44 Buttons and Functions Before you begin using your new air conditioner, make sure to familiarize yourself with its remote control. The following is a brief introduction to the remote control itself. For instructions on how to operate your air conditioner, refer to the How to Use Basic Functions section of this manual. Description ON/OFF No.1...
Page 45 Remote Screen Indicators Information are displayed when the remote controller is power up. Breeze Away display Active clean feature display Air magic/UV-C lamp feature display MODE display Sleep mode display Displays the current mode, including: Follow me feature display Wireless control feature display Low battery detection display(If flashes) AUTO COOL...
Page 46 How to Use Basic Functions Basic operation TTENTION! Before operation, please ensure the unit is plugged in and power is available. SETTING TEMPER The operating temperature range for units is 16-30°C (60-86°F)/20-28°C(68-82°F). You can increase or decrease the set temperature in 1°C (1°F) increments. AUTO Mode In AUTO mode, the unit will automatically select the COOL, FAN, or HEAT operation based on the...
Page 47 How to Use Basic Functions DRY Mode (dehumidifying) 1. Press the MODE button to select DRY mode. 2. Set your desired temperature using the TEMP or TEMP button. 3. Press the ON/OFF button to start the unit. NOTE: FAN SPEED can’t be changed in DRY mode.
Page 48 Setting the TIMER TIMER ON/OFF - Set the amount of time after which the unit will automatically turn on/off. TIMER ON setting Press TIMER button to initiate Press Temp. up or down button for Point remote to unit and wait 1sec, the ON time sequence.
Page 49 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 50 How to Use Advanced Functions BOOST Function Press Boost button When you select Boost feature in COOL mode, the unit will blow cool air with strongest wind setting to jump-start the cooling process. Boost When you select Boost feature in HEAT mode, the unit will blow heat air with strongest wind setting to jump-start the heating process(some units).
Page 51 How to Use Advanced Functions 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 52 CLEANING AND MAINTENANCE CAUTION ， Make sure to clean the lter every two weeks. • Always TURN OFF your AC system and disconnect its power supply before cleaning or maintenance. • Do not • Only use a soft, dry cloth to wipe the unit clean. You can use a cloth soaked in warm water to wipe it clean if the unit is especially dirty.
Page 53 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 54 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 55 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 56 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 57 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 58 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 nd further information, please follow the QR Code. The design and speci cations are subject to change without prior notice for product improvement.
Page 60 AG--OBM 16122000A77358...

This manual is also suitable for:

Mfxp50n Mfxp26n Mfxp60n Mfxp70n Mfxp80n