Midea MW-18CRF8B Owner's Manual & Installation Manual

Window-type room air conditioner

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WINDOW-TYPE ROOM AIR CONDITIONER

Owner's Manual &

Installation Manual

MW-18CRF8B

MW-22CRF8B

IMPORTANT NOTE:

Read this manual carefully before installing

or operating your new air conditioning

unit. Make sure to save this manual for

future reference.

Please check the applicable models, technical

data from the nameplate pasted on the unit.

Table of Contents

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Summary of Contents for Midea MW-18CRF8B

Page 1 WINDOW-TYPE ROOM AIR CONDITIONER Owner’s Manual & Installation Manual MW-18CRF8B MW-22CRF8B IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference. Please check the applicable models, technical...
Page 2 Safety Precautions Read Safety Precautions Before Operation and Installation Incorrect installation due to ignore of instructions can cause serious damage or injury. WARNING Installation (Space) - Where refrigerant pipes shall be compliance with national gas regulations. - That mechanical connections shall be accessible for maintenance purposes. - In cases that require mechanical ventilation, ventilation openings shall be kept clear of obstruction.
Page 3 Transportation, marking and storage for units 1. Transport of equipment containing flammable refrigerants Compliance with the transport regulations 2. Marking of equipment using signs Compliance with local regulations 3. Disposal of equipment using flammable refrigerants Compliance with national regulations 4. Storage of equipment/appliances The storage of equipment should be in accordance with the manufacturer’s instructions.
Page 4: Table Of Contents
Table of Contents Warning ....................Unit Parts Identiﬁcation ................. Operation Instructions ................ Care and Maintenance ................ Water Drainage ..................Installation Instructions ..............Troubleshooting ................... Speciﬁcations ..................European Disposal Guidelines This marking shown on the product or its literature, indicates that waste electrical and eletrical equipment should not be mixed with general household waste.
Page 5: Warning
Warning Read 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. CAUTION WARNING This symbol indicates the possibility of This symbol indicates the possibility property damage or serious consequences.
Page 6 ELECTRICAL WARNINGS Only use the specified power cord. If the power cord is damaged, it must be replaced by the manufacturer, its service • agent or similarly qualified persons in order to avoid a hazard. Keep power plug clean. Remove any dust or grime that accumulates on or around the plug. Dirty plugs can cause fire •...
Page 7 WARNING for Using R32 Refrigerant -Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. -The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance) and ignition sourcesor (for example:an operating electric heater) close to the appliance.
Page 8 This symbol shows that this appliance This symbol shows that a service used a flammable refrigerant. If the personnel should be handling this refrigerant is leaked and exposed to equipment with reference to the WARNING CAUTION an external ignition source, there is a installation manual.
Page 9 Repair and maintenance to electrical components shall include initial safety checks and component inspection proced- ures. If a fault exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately but it is necessary to continue operation, an adeq- uate temporary solution shall be used.
Page 10 place. This operation is absolutely vital if brazing operations on the pipe-work are to take place. Ensure that the outlet for the vacuum pump is not close to any ignition sources and there is ventilation available. 13.Charging procedures In addition to conventional charging procedures, the following requirements shall be followed. Ensure that contamination of different refrigerants does not occur when using charging equipment.
Page 11: Unit Parts Identification
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. 18°C-43°C (64°F-109°F) Outdoor Temperature 18°C-52°C (64°F-126°F) (For special tropical models) Cooling operation Indoor Temperature 17°C-32°C (62°F-90°F) -5°C-24°C (23°F-76°F) Outdoor Temperature...
Page 12: Operation Instructions
Vent Control The vent control is located above the control knobs. The operation method and the shape may vary in different models (see the following figures) For maximum cooling efficiency, CLOSE the vent. It will allow internal air circulation. OPEN the vent to discharge stale air. CLOSE VENT OPEN...
Page 13 SLEEP: Press and hold the "SWING" keypad for 2 seconds or use the remote control to activate the "SLEEP" feature . Press and hold the "SWING" keypad for 2 seconds or use the remote control again to deactivate the "SLEEP" feature. In the Cooling mode, the cooling temperature set point will increase 1℃...
Page 14: Care And Maintenance
CARE AND MAINTENANCE BEFORE CLEANING OR MAINTENANCE ALWAYS TURN OFF YOUR AIR CONDITIONER SYSTEM AND DISCONNECT ITS POWER SUPPLY BEFORE CLEANING OR MAINTENANCE. Cleaning Your Unit IMPORTANT The cabinet and front panel may be dusted with an oil-free cloth or washed with a cloth dampened in a solution of warm water and mild liquid dishwashing detergent.
Page 15: Installation Instructions
Non-drainage If you choose non-drainage when cooling, both the bottom and the back drain holes of the unit should be plugged with rubber plugs. The condensed water will be sprayed to condenser, and will improve the cooling performance. NOTE: When you choose non-drainage, the air conditioner will be perfect cooling efficiency, but big noise may be caused by spr- aying the condensed water.
Page 16 Model B: 1. Remove one screw securing the chassis fixing bracket, then take down the chassis fixing bracket. Remove two screws located on the back of the cabinet as shown in Fig.5B. 2. Grasp the handle on the chassis and carefully slide the air cond- itioner out of the cabinet.(see Fig.6) Model C: 1.
Page 17: Troubleshooting
NOTE: For the unit with power cord comes out from left side, please perform the following steps: 1. Pull the power cord to the left side straightly(See Fig.a & b). 2. Wrap the PVC protecing sheath on the power cord with cable ties in the hole position (see Fig.c). 3.
Page 18: Specifications
Issue Possible Causes Air movement sound. This is normal. If too loud, turn selector to lower FAN setting. Sound of fan hitting water-moisture removal system. This is normal when humidity is high. Noise when unit is Close doors, windows and registers. cooling Window vibration - poor installation.

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Mw-22crf8b