MWDUC Service Manual
Contents
1. Do not change Time Hours 3 Improvement to meet the 2013 TE F compressor on after that the fan minutes the fan motor A motor running time will start 2 minutes f should less than 17 until the compressor 55 start 30 energy saver mode fan mode 7OF auto fan For Fan or Heating mode it will the same with before For others If the condition can meet the compressor s running requirement for Cooling or Dry the compressor off when TE is lower than 30 F lasting for 5 seconds If it is running at Cool Auto Dry mode 2 5 Dry mode acing 7 bie The same with unit will turn on the The temp can be setting the same as Cooling should running into O nerg V m will keep running 3 ode The fan speed is low and can t be controlled at the minutes then stop after that every 10 mode minutes the fan motor will start 2 minutes 2 6 Sleep mode ae the compressor This function is 7 hours And only can be used in Should has the fitter Filter Check light Filter Check light Cool Dry and Heat mode cleaning notice In this function the fan speed will be change to auto fan In this function the first and second 30minuts the 4 Internal Structures setting temp will up or down for heating mode 2 F 1 C after that will keep 6 hours until the function stop When the function is start if you do any operation below the function will stop Condenser Out2. too High set temperature to a Lower setting the air filter Air conditioner Air directional louvers positioned improperly Every time when filter check LED light we cooling but room D o Position louvers for better air distribution suggest to cleaning the filter it will be better for is too warm NO Front of units is blocked by drapes blinds furniture healthy and save energy ice forming on l l etc restricts air distribution Clear blockage in front When the AC has not used for a long time like one cooling coil of unit month or more we suggest to cleaning the filter behind Doors windows registers etc Open cold air before re use decorative front escapes Close doors windows registers Unit recently turned on in hot room Allow additional time to remove Stored heat from walls ceiling floor 6 Troubleshooting In general possible trouble is classified in three kinds One is called Starting Failure which is caused from an Air conditioner electrical defect another is ineffective Air Conditioning turns on and off caused by a defect in the refrigeration circuit and rapidly improper application and the other is called the and furniture Dirty air filter air restricted Clean air filter Outside temperature extremely hot Set FAN speed to a Higher setting to bring air past cooling coils more frequently Noise when unit is cooling Water dripping INSIDE when uni
3. Button to is the same with the display control One Touch Button Press this button the unit will running into the Cooling mode auto fan speed and the setting temperature is 80 T 26 C And the timer function will be cancelled Clean Air Button Optional Press this button to turn on the ionizer Fellow Me Button Optional Press this button to turn on this function the remote has a temperature sensor to instead of the room temperature sensor every 3 minutes the remote will send a temperature to AC if the unit do not get any signal from remote for 7 minutes the unit will turn off this function Cancel Button Press this button to stop the time on or off function If only set timer off and the unit has been turn off press cancel button the unit will turn on Clock Button Press to set the time LED Button Press to off or light the digit LED display only can be used when the unit is on Reset Button Reset the remote control to the initial settings Lock Button Lock the remote control and do not accept any operation until press the Lock button again 2 Electronic function 2 1 Terms and definitions TA Temperature of indoor ambient T1 TE Temperature of evaporator T2 TS The set temperature DAHT Sensor of heater 2 2 Protection function The compressor restart protection functions with a delay of 3 minutes Sensor protection at open or short circuit 2 3 Fan onl
4. North America Air Conditioner T oe AIR CONDITIONERS Dimensions W mm inch H mm inch D mm inch MW DUCO8AR 471 18 5 340 13 4 400 15 7 MWDUC1IOAR MWDUC12AR 482 19 0 372 14 6 545 21 5 1 Operation Modes and Instructions 1 1 Display control On Off Button Press to turn on or off the unit NOTE The unit will initiate automatically the Energy Saver function under cool Dry Auto only Auto Cooling and Auto Fan modes Up and Down Button Press or hold either gt Up or Q Down the setting temp 1 C 2 F each times from 62 F 17 C to 88 F 30 C Also can be used for time adjust in Timer function Some models press and hold both Up and Down buttons for 3 seconds will change the display from F to C Mode select Button A Press to change the operation mode each time you press the button a mode is selected in a sequence that goes from Auto Cool Dry and Fan The unit will initiate automatically the Energy Saver function under Cool Dry Auto only Auto Cooling and Auto Fan modes Base on Energy Stars requirement Fan speed Button S Press to change the fan speed each time you press the button the fan speed in four steps Auto Low Med and High On Dry mode the fan speed is controlled at Low automatically Timer Button X Press to start or stop the Auto On or Auto Off function Press or hold either Op SC Down the setting time from 0 0 to 24
5. door _ Axial flow fan Compressor Fan motor Capacitor Indoor Electrical Centrifugal control box ities Evaporator Compressor amp Fan Motor Capacitor Thermostat Main switch condenser Outdoor Axial flow fan Compressor Fan motor Electrical contral box Evaporator lonizer Display connect Compressor amp fan Transformer Motor Capacitor N lonizer rela Transformer y l m z wo a D Fan Compressor 5 aa i relay relay Display Ea 8 T l i connect halt ie by a f E inkl 4 a al a fee er temp sensor EEprom gt 5 5 Installation and use notice 5 1 The inside should be higher than outside to make sure that the water from evaporator will be easy to flow to the outside and the water will be helpful to get more Capacity and more EER Measure from the cabinet ege H t no n H About 5 8 to3 4 for 5 to 6K H About 3 4 to 1 for 5 to 8K n n H About 1 to 1 for 10 to12K INSIDE OUTSIDE Wooden Windows NOTE Check that air conditioner is tilted back about H tiled about 3 to 4 downward to the outside After proper installation condensate should not drain from the overflow drain hole during normal use correct the slope otherwise 5 2 Cleaning filter Structure Damage Pem soutien Wall plug disconnected Push plug firmly into wall outlet House fuse blown or circuit breaker tripped Replace fuse with time delay type or re
6. hours Sleep Button D Press to start or stop the sleep function Energy Saver Button Press to start or stop the energy saver function This function is available on Cool Dry Auto only Auto Cooling and Auto Fan modes When the room temp is meet the compressor shut off condition the fan motor will continue running for 3 minutes after that the fan motor will running for 2 minutes every 10 minutes until the compressor start Check Filter Button This function is a reminder to clean the Air Filter for more efficient and more healthy The LED light will keep illuminate after 250 hours of operation until Press 8 Mechanical TEMPERATURE TEMPERATURE max 7 i fan COOLING COOLING 1 On Off and Mode select switch Use this switch to turn on or off the unit and select the operation mode for Low Cooling High Cooling Low Fan High Fan 2 Temperature switch Use this switch to setting the temperature for Cooling mode On Off switch Wait Three Minutes Use this switch to turn on or off the Before Restarting l unit the unit will only running at cooling mode a Note To protect the compressor every time when the customer turn on the unit we suggest to wait for three minutes 1 2 Remote control RET ap P y ages e Sate PS TIMER SPEED L p srsti fi UNE li TOUCH SLE G Ue
7. set circuit Air conditioner breaker does not start Plug Current Device Tripped Press the RESET button Control is OFF Turn Control ON and set to desired setting Room temperature below 17 C 62 T Cooling may not occur until room temperature rises above 17 C 62 F Temperature sensing element touching cold coil Air from unit located behind air filter Straighten tube away from does not feel coil cold enough Reset to a Lower temperature Compressor shut off by changing modes Wait approximately 3 minutes and listen for compressor to restart when set in the COOL mode Outdoor temperature below 17 C 62F To tig gt ie A Air conditioner l 7 gt defrost the coil set FAN ONLY mode a Zi eall AE cooling but room s F i al A is too warm ice W mi a Air filter may be dirty Clean filter Refer to Care and Al Cleaning section To defrost set to FAN ONLY lt All forming on th ve ee mode cooling coil ae lt i ee Thermostat set too cold for night time cooling To i T behind k eee ee eee ee ee ee ee ee ee eB eB ee ee ee eB ee eB eB ee eK defrost the coil set to FAN ONLY mode Then set decorative front temperature to a Higher setting Dirty air filter air restricted Clean air filter Refer to Notice Never use hot water over 104 F 40 C to clean the air filter Never attempt to operate the unit without Care and Cleaning section Temperature is set
8. t is cooling Water dripping OUTSIDE when unit is cooling Remote Sensing Deactivating Prematurely some models Room too cold Set temperature too low Increase set temperature Air movement sound This is normal If too loud set to a slower FAN setting Window vibration poor installation Refer to installation instructions or check with installer Improper installation Tilt air conditioner slightly to the outside to allow water drainage Refer to installation instructions check with installer Unit removing large quantity of moisture from humid room This is normal during excessively humid days Remote control not located within range Place remote control within 20 feet amp 180 radius of the front of the unit Remote control signal obstructed Remove obstruction 6 2 Sensor malfunction LED display Room temperature sensor error Sensor protection at open circuit sensor error Sensor protection at short circuit sensor error Electric heating sensor error Evaporator temperature sensor at open o short circuit Characteristic of temperature sensor Temp C Resistance KQ Resistance KO 7 6241 7 2946 6 9814 6 6835 6 4002 6 1306 5 8736 5 6296 5 3969 5 1752 4 9639 4 7625 4 5705 4 3874 4 2126 Te we tase wee aser D7 ate ae we wee are Te wee esee wo ioe ases o ee am e ie T see Ta e eee e e e e se enr s wera aor o ee ee
9. wo esr o ese o wie ears T 7 tomo ee ie roo Ca ee ores ee wee vrees Tze eee ene eo we vrs Po fe ef 7 Exploded view Front panel assembly Rear separating a Tepsnutrieme ea7 cover otasan connor o omeisassnoy eos remsa Oo 2 erare poeassemn Js arm O o maon r ewn ooo a a e OO SLY UOC AIR CONDITIONERS me Classic Industries Inc 7101 NW 43 Street Miami FL 33166 sales classicairconditioners com
10. y mode The temperature can t be controlled at the mode and the room ambient temperature is display on LED The temp only display 32 to 99 F 0 to 37 C If out of range will display LO or HI The lon Timer functions are valid at the fan only mode 2 4 Cooling mode The temp can be set from 62 to 86 F 17 to 30 C The compressor will be activated by sensing the difference between setting temperature and the actual ambient room temperature The compressor operates as below Press sleep button again or use the remote Operation conditon control to set anything i Turn off the unit TA Ts F compressor on Ea l l l n It is time to turn off the unit for timer off function 2 Example 0 Temp Fy i gt compressor off with a delay of 1 minute F T When TA lt TS compressor off When T1 gt TS 2F compressor on The lon Timer Sleep Energy Saver Follow Me functions are valid at the cooling mode Auto defrosting function protection as below When TE is lower it means that the evaporator frosts Then the unit starts defrosting and the Ener Star s r irement indoor fan keeps working at the moment When ergy otar S require the temperature is up the unit stops defrosting Requirement Od NeW When compressor If the compressor turn off the fan motor stop the fan motor will keep running 3 running time should minutes then stop less than 5 minutes after that every 10
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