MIDEA MP07EMB32 (01) PDF MANUAL

This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

The appliance shall be installed in accordance with national wiring regulations.

Do not operate your air conditioner in a wet room such as a bathroom or laundry room.

The appliance with electric heater shall have at least 1 meter space to the combustible materials.

Plug in power plug properly. Otherwise, it may cause electric shock or fire due to excess heat generation.

Do not operate or stop the unit by inserting or pulling out the power plug. It may cause electric shock or fire due to heat generation.

Do not damage or use an unspecified power cord. It may cause electric shock or fire.

Do not modify power cord length or share the outlet with other appliances. It may cause electric shock or fire due to heat generation.

Do not use the socket if it is loose or damaged. It may cause fire and electric shock.

Keep firearms away. It may cause fire. Do not use the power cord close to heating appliances. It may cause fire and electric shock. Do not use the power cord near flammable gas or combustibles, such as gasoline, benzene, thinner, etc. It may cause an explosion or fire.

Hold the plug by the head of the power plug when taking it out. It may cause electric shock and damage.

Always install a circuit breaker and a dedicated power circuit. Incorrect installation may cause fire and electric shock.

Always ensure effective grounding. Incorrect grounding may cause electric shock.

Do not operate with wet hands or in damp environment. It may cause electric shock.

Do not allow water to run into electric parts. It may cause failure of machine of electric shock.

Turn off the main power switch when not using the unit for a long time. It may cause failure of product or fire.

Use caution when unpacking and installing. Sharp edges could cause injury.

If water enters the unit, turn the unit off at the power outlet and switch off the circuit breaker. Isolate supply by taking the power plug out and contact a qualified service technician.

Do not direct airflow at room occupants only. This could damage your health.

Unplug the unit if strange sounds, smell, or smoke comes from it. It may cause fire and electric shock.

Do not open the unit during operation. It may cause electric shock.

Ventilate room before operating air conditioner if there is a gas leakage from another appliance. It may cause explosion, fire and, burns.

Do not disassemble or modify unit. It may cause failure and electric shock.

Do not place obstacles around air inlets or inside of air-outlet. It may cause failure of appliance or accident.

When the air filter is to be removed, do not touch the metal parts of the unit. It may cause an injury.

Ventilate the room well when used together with a stove, etc. An oxygen shortage may occur.

Do not use strong detergent such as wax or thinner but use a soft cloth. Appearance may be deteriorated due to change of product color or scratching of its surface. Do not clean the air conditioner with water. Water may enter the unit and degrade the insulation. It may cause an electric shock. When the unit is to be cleaned, switch off, and turn off the circuit breaker. Do not clean unit when power is on as it may cause fire and electric shock, it may cause an injury.

Always insert the filters securely. It can be caused failure if operated without filters. Please clean filter once every two weeks.

Do not use for special purposes. Do not use this air conditioner to preserve precision devices, food, pets, plants, and art objects. It may cause deterioration of quality, etc.

Stop operation and close the window in storm or hurricane. Operation with windows opened may cause wetting of indoor and soaking of household furniture.

Contact the authorised service technician for repair or maintenance of this unit. Contact the authorised installer for installation of this unit.

This air conditioner is designed to be operated under the following conditions:

Operation	Temperature	Range
Cooling	Outdoor temp.	18-(43/26)°C /64-(109/79)°F (18-52°C/64-125°F for special tropical models)
	Indoor temp.	17-(32/23)°C /62-(90/73)°F
Heating	Outdoor temp.	-5-(24/18)°C /23-(76/64)°F
	Indoor temp.	0-(27/19)°C /32-(80/66)°F

NOTE: (43/26) °C. It means the dry bulb temperature is 43°C and the wet bulb temperature is 26°C. Performance may be reduced outside of these operating temperatures.

The power supply cord contains a current device that senses damage to the power cord. To test your power supply cord do the following:

1. Plug in the Air Conditioner.

2. The power supply cord will have TWO buttons on the plug head. Press the TEST button, you will notice a click as the RESET button pops out.

3. Press the RESET button again, you will notice a click as the button engages.

4. The power supply cord is now supplying electricity to the unit. (On some products this is also indicated by a light on the plug head).

The shape may be different according to its model:

Power Card	Power Suppy
(Diagram 1)	230V,15A
(Diagram 2)	230V,20A
(Diagram 3)	230V,30A
(Diagram 4)	265V,15A
(Diagram 5)	265V,20A
(Diagram 6)	265V,30A

The complete electical rating of your new room air conditioner is stated on the serial plate. Refer to the rating when checking the electrical requirements. The serial plate is located on the side of the the cabinet and behind the grille.

Be sure the air conditioner is properly grounded. To minimize shock and fire hazards, proper grounding is important. The power cord is equipped with a three-prong grounding plug for protection against shock hazards.

Your air conditioner must be used in a properly grounded wall receptacle. If the wall receptacle you intend to use is not adequately grounded or protected by a time delay fuse or circuit breaker, have a qualified electrician install the proper receptacle. Ensure the receptacle is accessible after the unit installation.

Do not run air conditioner without side protective cover in place. This could result in mechanical damage within the air conditioner.

No. Do not use an extension cord or an adapter plug. Avoid fire hazard or electric shock. Do not remove any prongs from the power cord.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

When handling the air conditioner, be careful to avoid cuts from sharp metal fins on front and rear coils. Be sure the air conditioner has been securely and correctly installed according to the installation instructions in this manual.

The power supply cord with this air conditioner contains a current detection device designed to reduce the risk of fire.

In the event that the power cord is damaged, it cannot be repaired – it must be replaced with a cord from the product manufacturer. If power supply cord is damaged, it cannot be repaired. It MUST be replaced by one obtained from the product manufacturer.

Do not use this device to turn the unit on or off.

Always make sure the RESET button is pushed in for correct operation.

The power supply cord must be replaced if it fails to reset when either the TEST button is pushed or if it cannot be reset. A new one can be obtained from the product manufacturer.

When 265V units are to be installed, the power supply must be permanent wiring. Permanent wiring may be done through the accessory subbase. An exposed cord connection on 265V units are not permitted.

Do not, under any circumstances, cut, remove, or bypass the grounding prongs. Observe all local governing codes and ordinances. Do not, under any circumstances, remove the power supply cord grounding prong.

Electrical ground is required on this appliance. DO NOT ground to a gas line. If cold water pipe is interrupted by plastic, non-metallic gaskets, or other insulating materials, DO NOT use for grounding. Check with a qualified electrician if you are in doubt as to whether the appliance is properly grounded. NOTE: If codes permit, and a separate grounding wire is used; it is recommended that a qualified electrician determine that the grounding path is adequate and not interrupted by plastic, nonmetallic gaskets, or other insulating materials.

DO NOT modify power supply cord plug. If it does not fit outlet, have a proper outlet installed by a qualified electrician.

DO NOT have a fuse in the neutral or grounding circuit. A fuse in the neutral, or grounding circuit could result in an electrical shock.

Receptacle wiring should be a minimum of 14 gauge. Use copper wire only. It is your responsibility to provide proper and adequate receptacle wiring, installed by a qualified electrician.

A time delay fuse or time delay circuit breaker is also required. A separate circuit, serving only this appliance, MUST be provided.

For details about the parameters of the electric heating function, see the nameplate on the unit.

WARNING: BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM.

Read the manual carefully before installing or operating, especially regarding flammable materials.

Servicing should only be performed by qualified personnel recommended by the manufacturer. Maintenance and repair requiring other skilled personnel must be carried out under the supervision of a person competent in the use of flammable refrigerants.

DO NOT modify the length of the power cord or use an extension cord to power the unit.

DO NOT share a single outlet with other electrical appliances. Improper power supply can cause fire or electrical shock.

Please follow the instruction carefully to handle, install, clear, service the appliance to avoid any damage or hazard.

Flammable Refrigerant R32 is used within appliance.

When maintaining or disposing the appliance, the refrigerant (R32) shall be recovered properly, shall not discharge to air directly.

Compliance with national gas regulations shall be observed.

Keep ventilation openings clear of obstruction.

The appliance shall be stored so as to prevent mechanical damage from occurring.

The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.

Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification. All training shall follow the ANNEX HH requirements of UL 60335-2-40 4th Edition.

Checks to the area: Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised.

Work procedure: Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or vapour being present while the work is being performed.

General work area: All maintenance staff and others working in the local area shall be instructed on the nature of work being carried out. Work in confined spaces shall be avoided. The area around the workspace shall be sectioned off. Ensure that the conditions within the area have been made safe by control of flammable material.

Checking for presence of refrigerant: The area shall be checked with an appropriate refrigerating detector prior to and during work, to ensure the technician is aware of potentially flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants, i.e. non-sparking, adequately sealed or intrinsically safe.

Presence of fire extinguisher: If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO2 fire extinguisher adjacent to the charging area.

No ignition sources: No person carrying out work in relation to a refrigerating system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing, removing and disposal, during which flammable refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks. No Smoking signs shall be displayed.

Ventilated area: Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere.

Checks to the refrigerating equipment: Where electrical components are being changed, they shall be fit for the purpose and to the correct specifications. At all times the manufacturer’s maintenance and service guidelines shall be followed. If in doubt consult the manufacturer’s technical department for assistance. Specific checks apply to installations using flammable refrigerants (e.g., charge size vs room size, ventilation adequacy, markings visibility).

Checks to electrical devices: Repair and maintenance shall include initial safety checks (capacitor discharge, no live components exposed, earth bonding continuity). If a fault compromises safety, no electrical supply connected until fixed. Use temporary solution if needed and report.

Sealed components: Sealed electrical components shall be replaced if damaged.

Intrinsically safe components: Intrinsically safe components must be replaced if damaged.

Cabling: Check cabling for wear, corrosion, pressure, vibration, sharp edges, environmental effects, aging.

Detection of flammable refrigerants: Use appropriate electronic leak detectors (calibrated, suitable, not ignition source). Halide torch or naked flame MUST NOT be used. Leak detection fluids suitable, but avoid chlorine detergents.

Leak response: If leak suspected, remove/extinguish flames. If brazing needed, recover or isolate all refrigerant first.

Removal and evacuation: Follow best practice: Safely remove refrigerant (per regs), evacuate, purge with inert gas (optional A2L), evacuate (optional A2L), flush/purge with inert gas if using flame, open circuit.

Recovery: Recover charge into correct cylinders (if venting not allowed). For flammable refrigerants, purge system with OFN (NO air/oxygen). Repeat purging process if needed. Ensure vacuum pump outlet away from ignition sources, ventilation available.

Charging procedures: Follow conventional procedures plus: prevent contamination, short hoses, upright cylinders, earth system before charging, label system, avoid overfilling, pressure test with OFN before recharging, leak test on completion and before leaving site.

Decommissioning: Technician must be familiar. Recommended: recover refrigerants safely. Take samples if needed. Ensure power available. Follow steps: familiarize, isolate electrically, ensure handling equipment/PPE available/used, supervised recovery, proper equipment/cylinders, pump down if possible, use manifold if needed, cylinder on scales, operate recovery machine per instructions, DO NOT overfill (80% liquid max), do not exceed max pressure.

Post-Recovery: Remove cylinders/equipment promptly, close valves. Do not charge recovered refrigerant into another system unless cleaned/checked.

Labelling: Label equipment as de-commissioned/emptied, dated/signed. Ensure labels state equipment contains flammable refrigerant.

Recovery Process Details: Use appropriate designated cylinders, correct number for charge, cylinders complete/valves working. Evacuate/cool empty cylinders. Use recovery equipment in good order with instructions, suitable for flammable refrigerants. Use calibrated scales. Use leak-free hoses. Process recovered refrigerant per local law. DO NOT mix refrigerants. If removing compressors/oils, evacuate acceptably, do not heat compressor, drain oil safely.

The package contains:

1. Unit

2. Control panel sticker (Optional, used when unit controlled by wall thermostat)

3. Owner’s manual

Optional Subbase kit (for 265V model only, Model: MWP-S3500/20A) includes:

1. Subbase

2. Cover panel I

3. Cover panel II

4. Screws x8

You need to purchase a Wall sleeve (*Not Included).

Prepare the following tools (*Not Included):

Gloves

Screwdriver

Pencil

Drill

Ruler or tape measure

Level

There are sharp edges that can cause serious cuts. When lifting the air conditioner, it is HEAVY. Use 2 people to lift.

Maintain the following clearances:

Over 51cm (20 inches) from sides.

Over 12.2-16cm (4 13/16 – 6 5/16 inches) from the floor.

Over 100 cm (39-3/8 inches) from the ceiling.

Ensure about 3″ to 4″ clearance at the rear for heat radiation.

When installing the sleeve, make certain there is nothing within 20 inches of the back that would interfere with heat radiation and exhaust air flow.

NOTE: To make the appliance work better, do not place a barrier in the air outlet.

1. Attach Wall sleeve (if any): Refer to the installation instruction of sleeve assembly. Ensure the wall sleeve is installed securely and firmly to avoid vibration and noise.

2. Remove shipping tapes: Carefully remove shipping tapes from the front panel.

3. Remove front panel: Pull out at the bottom to release it from the tabs, then lift the front panel up.

4. Remove shipping screw: Remove the shipping screw from the vent door.

5. Slide unit into sleeve: Lift unit level and slide it into the wall sleeve until firmly against the front of the wall sleeve.

6. Secure unit: Secure with 4 screws and washers (supplied in the SLEEVE ASSEMBLY) through the unit flange holes.

7. Reinstall front panel: Place tabs over the top rail. Push inward at the bottom until the panel snaps into place.

Rotate the vent control lever to either open or close the vent door.

CLOSE: Only the air inside the room is circulated and filtered.

OPEN: Some outdoor air will be drawn into the room. This will reduce heating or cooling efficiency.

CAUTION: Do not put obstacles around air-inlet or inside of air-outlet of the unit. Always insert the filter securely, clean filter once every two weeks as required.

When the model you purchase is 265V model, install it with Subbase kit and connect power wiring on site.

The product plug must be inserted into the power jack of the Subbase kit for use.

All wiring operations and power requirements must be operated and used in accordance with local regulations and policies.

WARNING: To avoid the risk of property damage, personal injury or death due to electrical shock, disconnect the electrical power before working on this product.

The instructions provided with the selected subbase kit must be carefully followed. It is the responsibility of the installer to ensure the connection of components is done in accordance with these instructions and national wiring regulations.

Before performing any electrical or wiring work, turn off the main power to the system.

An all-pole disconnection means should be installed to connect the subbase and main power supply.

1. Drill Holes: Drill four 1/8-inch holes in the sleeve to line up with the wall sleeve holes in the subbase (both sides).

2. Prepare Subbase Wiring Access: Remove the cover on the subbase by loosening 3 screws. Choose one of the four wire outlets. Remove the knockout plate by clipping the four slips. Bend down the wire outlet tab and slip the anti-corrosion grommet onto it. Insert the power supply conduit into the wire outlet and connect the wires with the SUBBASE terminals according to all electrical codes.

3. Install Subbase to Sleeve: Install the SUBBASE to the SLEEVE using the four screws provided with the subbase and tighten them.

4. Install Unit into Sleeve: Install the unit into the SLEEVE according to the unit installation instructions. Connect the power cord of the unit into the plug receptacle of the SUBBASE. The power line can be wound and placed in the slot of the SUBBASE.

5. Adjust Receptacle (Optional): The direction of the plug receptacle can be changed 180° by loosening two screws and reinstalling it.

6. Wire Placement: Ensure wires of heavy current are placed to the left of the clapboard and wires of light current are placed to the right. Installation must comply with national wiring regulations.

7. Assemble Subbase Covers: Reset COVER PANEL II into COVER PANEL I and rotate. Install the COVER and COVER PANEL assembly to the SUBBASE with 7 screws securely.

CAUTION: Unit must be powered OFF to effectively change their status.

1. Remove Front Panel: Pull out the bottom of the front panel to release tabs, then lift the panel up.

2. Access DIP Switches: The switches are located behind the front panel, accessible through an opening below the control panel without opening the control box.

3. Set Switches: Refer to Table 1 (or the diagram) for switch functions and configurations. Slide the switches UP for ON or DOWN for OFF as needed.

4. Reinstall Front Panel.

5. Restore Power.

Refer to the DIP Switches Configuration table for detailed settings.

Table 1 – DIP SWITCHES CONFIGURATIONS

No.	UP(ON)	DOWN(OFF)	Remarks
S1	Electric Heat Only	Electric Heat and Pump Heat	For Heat Pump unit only
S3	Wall Thermostat Enable	Control Panel Enable
S4*S5	UP*UP: 60°F~86°F (16°C~30°C); UP*DOWN: 65°F~78°F (18°C~26°C); DOWN*UP: 63°F~80°F (17°C~27°C); DOWN*DOWN: 68°F~75°F (20°C~24°C);		Two configurations combine to select set point range.
S6	Fan Continuous Run for Heating	Fan Cycle for Heating
S7	Fan Continuous Run for Cooling	Fan Cycle for Cooling
S8	Low temp. Protection enable	Low temp. Protection disable	Optional
S9 (S3UP)	Use other types of wall Thermostat	Use other types of wall Thermostat	you can consult with the sales agency or manufacturer for details
S9 (S3 DOWN)	Use Control Panel only	Use Control Panel or other types of wall Thermostat	Use control Panel or some types of wall Thermostat, the other one must be turned off
Sw11	Load delay for 3 seconds	Normal	Optional

Low temp. Protection (optional S8): If enabled (ON), and the unit senses room temperature below 32°F (0°C), the fan motor and electric strip heat will turn on and warm the room to 40°F (4.4°C). The fan stops a short time after the temperature is satisfied.

Heat and Cool Fan CON/CYC (S6/S7): Allows the fan to operate in continuous (CON) or cycle (CYC) modes.

• CON (Continuous – ON): Fan runs continuously, circulating air even when the temperature setting is satisfied. Helps maintain room temperature closer to the thermostat setting.

• CYC (Cycle – OFF): Fan cycles on and off with the compressor or electric heater. The fan stops a short time after the temperature setting is satisfied.

Electric Heat Only (for heat pump unit only S1): When ON, forces unit to use only electric heat. Typically used for Emergency Heating.

Setpoint Temperature Limits (S4*S5): Provides a restricted range of temperature control based on the combination setting.

Wall Thermostat control (S3): If a wired wall thermostat is connected, this dip switch (S3) must be moved to the Wall Thermostat Enable (ON) position for the thermostat to control the unit.

CAUTION: Unit must be powered OFF to effectively change status. Power on after settings are done.

1. Enter Mode: Press the UP and DOWN buttons together for 3 seconds.

2. View/Set: The LED display shows two digits: High (left) indicates the switch group, Low (right) indicates the function setting. Press the UP button to select the switch group (e.g., 01, 03, 04…). Press the DOWN button to change the function setting for the selected group (e.g., 0 or 1).

3. Initial Setting: The display shows ’00’ initially. You must set ’01’ first before configuring other settings.

4. Front Desk Control: To activate front desk control, pull the physical DIP switch SW7 to DOWN(OFF), then set panel control code ‘A’ to function ‘0’ (A0).

5. Exit Mode: After setting all desired configurations, press the UP and DOWN buttons together for 3 seconds, or wait 30 seconds without operation. The unit saves the settings.

6. Activate Settings: Cut off the power. When re-powered on, the new settings are activated.

Refer to Table1 in the PDF for specific codes corresponding to DIP switch functions.

IMPORTANT: Only trained, qualified personnel should access electrical panel. Disconnect power first.

1. Wire Routing: Route 18-20 gauge solid thermostat wire from thermostat location through the wall sleeve. Route wire behind the front panel to the terminal connector.

2. Access Terminal Block: Remove the front panel. Remove the two screws holding the cover panel over the terminal block and remove the cover.

3. Connect Wires: Insert the wire connector from the wall thermostat into the relevant terminal on the PTAC terminal block according to the wiring diagram (MODE A provided below). Ensure proper connection for your specific thermostat model.

4. Set DIP Switch: Ensure DIP switch S3 is set to the Wall Thermostat Enable (ON) position.

5. Reassemble: Replace the terminal block cover panel and the front panel.

Terminal of PTAC Wall Thermostat (MODE A)

TERMINAL	DESIGNATION	MODE B Wire Color
FC(L)	Front desk control terminal L	Brown
FC(N)	Front desk control terminal N	Pink
LOW-FAN	Low fan speed	Purple
HI-FAN	High fan speed	Green
4-WAY	4-way valve; Reverse cycle (Energized in heat) For heat pump models	Blue
HEAT2	Electrical heater 2	White
HEAT1	Electrical heater 1	White
COMP	Compressor	Yellow
24V(N)	24V AC terminal N (Neutral); Common	Black
24V(L)	24V AC terminal L	Red

NOTE: Use terminal 4-way for heat pump connection only. Suggest compressor protection time > 3 minutes. Wall thermostat must have heating changeover 4-way valve. For single fan speed output thermostats, wire G to LOW-FAN or HI-FAN as desired. Thermostat temperature range must match DIP switch range. Thermostat type must match unit type (heat pump/no heat pump). If thermostat has only one heater output, connect HEAT1 and HEAT2 terminals on PTAC. Do not remove the control panel.

The controller can handle a switch signal input on terminals FC(L) and FC(N) (input must be 24VAC). This is called front desk control.

If the corresponding DIP switch (SW7 controlled via panel setting ‘A’) is enabled (Panel set to A0, physical SW7 DOWN), and the system does not receive a 24VAC signal on FC(L)/FC(N), the unit will turn off.

If the signal is present, or if the feature is disabled (Panel set to A1, physical SW7 UP), the unit runs in normal control according to the thermostat.

POWER: Press the POWER button (bottom right) to turn the unit on or off.

MODE: Press the MODE button to cycle through COOL -> DRY -> HEAT -> FAN -> COOL modes. The corresponding indicator light will illuminate.

TEMPERATURE (+ / -): Press the UP (+) or DOWN (-) buttons to increase or decrease the set temperature in Cooling or Heating mode (1°C/1°F increments). The set temperature appears on the display.

FAN (FAN SPEED): Press the FAN button to cycle through fan speeds: AUTO -> HIGH -> LOW -> AUTO. In AUTO, speed adjusts automatically. In Dry mode, speed is fixed at Low.

CONSTANT FAN: In cooling mode, press this button to toggle the constant fan function. When ON (light illuminated), the fan runs continuously. When OFF (light out), the fan cycles with the compressor. (Note: Behavior on startup follows DIP switch settings).

PANEL LOCKING: Press and hold the POWER (Open key symbol) and CONSTANT FAN buttons together for 5 seconds to lock/unlock the control panel. ‘LL’ will be displayed when locked.

Change °C/°F: Press and hold the ‘+’ and ‘-‘ buttons together for 3 seconds to switch the temperature display between Celsius and Fahrenheit.

Normal Display: Shows set temperature (°C or °F). Shows room temperature in Fan only mode.

Control Codes (on some models):

• LC: Pads on the control panel are not available. Unit can be set using a wire controller only. (You can install the accessory control panel sticker).

• FC: Pads on the control panel and wire controller are not available. Unit can be set using FRONT DESK CONTROL only.

Error Codes:

• EO: Failure of EEPROM parameter

• E3: The fan stall error

• E4: Main control and Display communication error

• AS: Room temperature sensor error

• ES: Evaporator temperature sensor error

• CS: Condenser temperature sensor error

• OS: Outside temperature sensor error

• HS: Exhaust temperature sensor error

• LE: Wire controller error

Action for Errors: Unplug the unit and plug it back in. If error repeats, call for service.

Other Codes:

• LO: Room temperature is lower than 0°C/32°F

• HI: Room temperature is higher than 37°C/99°F

• FP: Low temp. Protection is active.

CAUTION: Failure to follow cautions may result in equipment damage or improper operation. Airflow restriction may cause damage.

Front Panel and Case:

• Turn unit off and disconnect power supply.

• To clean, use water and a mild detergent. Do NOT use bleach or abrasives. Some commercial cleaners may damage plastic parts.

Outdoor Coil:

• Coil on outdoor side should be checked regularly.

• Unit will need to be removed to inspect dirt build-up on the inside of the coil.

• If clogged with dirt and soot, coil should be professionally cleaned. Clean inside and outside of outdoor coils regularly.

• NOTE: Never use a high-pressure spray on coil.

Air Filters:

• Clean filters once every two weeks as required. This is the most important maintenance for efficiency.

• Clogged filters reduce cooling/heating/airflow, increase cost, waste energy, can clog coil, risk premature component failure.

• Do not operate unit without filters or with damaged filters (replace immediately).

• To Clean Air Filters: Vacuum off heavy soil. Run water through filter. Dry thoroughly before replacing.

• Removing Air Filters: Pull up the two filters from the top of the unit.

• Replacing Air Filters: Push the filters back down into place.

Vent Door Filter (if accessible/used):

• IMPORTANT: TURN UNIT OFF BEFORE CLEANING.

• Access may require removing unit from sleeve if vent door is open.

• Clean twice a year or as required.

• Ensure shipping screw is removed from vent door.

• Rotate vent control lever to open vent door.

• Remove four screws from the vent door filter.

• First pull out the vent door steel wire from the hole of the vent door, then take off the vent door and filter.

• Clean the filter. Dry thoroughly before replacing.

• Replace the vent door and filter, reinstall the four screws.

• Reinsert the vent door steel wire into the hole of the vent door.

• Check if unit is unplugged. Ensure plug is secure in wall receptacle.

• Check the plug’s test/reset button; make sure it has not tripped.

• Check if the house fuse is blown or circuit breaker tripped. Replace fuse/reset breaker (See Note 1 below).

• Check if the unit is in a protection mode. Try turning the unit on using the bottom right button on the keypad.

• Check if air discharge is blocked by curtains, blinds, or furniture.

• Check the temperature setting. Reset to a lower (for cooling) or higher (for heating) temperature. Note that setpoint limits (dipswitches) may prevent reaching desired temperature.

• Check if the air filters are dirty. Remove and clean them.

• Allow sufficient time for the unit to cool or heat the room, especially when first started or in extreme temperatures. Start heating/cooling early if needed.

• Check if the vent door is open. Close the vent door.

• The unit might be in a protection mode. Check dipswitch and wall thermostat settings for desired comfort.

• The compressor might be in a time delay. Wait approximately 3 minutes for the compressor to start.

The unit may be in a protection mode.

Yes, clicking, gurgling and whooshing noises are normal during operation of the unit.

Condensation runoff during very hot and humid weather is normal if a drain kit has not been installed (See Note 2 below). If a drain kit has been installed and is connected to a drain system, check gaskets and fittings around the drain for leaks and plugs.

The wall sleeve is not installed level. The wall sleeve must be installed level for proper drainage of condensation. Check that installation is level and make any necessary adjustments.

This can happen due to low outdoor temperature (approximately 55°F or below) when the unit is in Cooling mode. Switch the unit to FAN operation until the ice or frost melts. Also, check if the filters are dirty; remove and clean them.

The unit has features to protect the compressor:

• Random Compressor restart: Whenever the unit is plugged in, or power returns after an outage, the compressor will restart with a random delay, typically after approximately 3 minutes.

• Compressor Protection: To prevent short cycling (rapid on/off), there is a random startup delay of 3 minutes and a minimum compressor run time of 3 minutes.

Clean the evaporator once every three months by professional people. (Note: This seems related to general maintenance rather than specific failure troubleshooting, check professional service if heating truly fails).

Note 1: If circuit breaker is tripped or fuse is blown more than once, contact a qualified electrician.

Note 2: If unit is installed where condensation drainage could drip in an undesirable location, an accessory drain kit should be installed and connected to drain system.

Important instructions for environment (European Disposal Guidelines): This product complies with EU WEEE Directive and bears a classification symbol for waste electrical and electronic equipment (WEEE). This symbol indicates that this product shall not be disposed with other household wastes at the end of its service life. Used device must be returned to official collection point for recycling of electrical electronic devices. To find these collection systems please contact to your local authorities or retailer where the product was purchased. Each household performs important role in recovering and recycling of old appliance. Appropriate disposal of used appliance helps prevent potential negative consequences for the environment and human health.

Keep your bill of sale, delivery slip, or some other appropriate payment record. The date on the bill establishes the warranty period, should service be required. If service is performed, it is your best interest to obtain and keep all receipts. Service under this warranty must be obtained by following these steps, in order:

1. Contact Midea Consumer Services or an authorized Midea servicer at 1-866-646-4332.

2. If there is a question as to where to obtain service, contact our consumer relations Department.

3. On-site service available in the contiguous United States.