USER`S MANUAL - Your Business Name
Contents
1. USER S MANUAL al YORK BY JOHNSON CONTROLS Cassette R 410A 50Hz YMKFZCO24 048BAM N A B FX YMKFZHO30BAM N BFX CUA Read this manual before installation and operation Make sure that it is well kept for later reference J Johnson Controls CONTENT IMPORTANT SAFETY INFORMAT ION 1 HINTSEOREGONOMICAbOPERATIONe 2 PARTS NAMES 2 ADJUSTING AIR FLOW DIREC TIONS eire eet 13 TEMPORARY OPERATIONS ca dete ee eniti 14 MAINTENANCE 14 AIR CONDITIONER OPERATIONS AND PERFORMANCE 16 TERES 17 TROUBLES AND CAUSES ice ee 18 TROUBLES AND CAUSES CONCERNING REMOTE CONTROLLER 18 TROUBLES AND CAUSES AIR CONDITIONER 19 IMPORTANT SAFETY INFORMATION Do not attempt to install this unit by yourself This unit requires installation by qualified persons Do not attempt to service the unit yourself This unit has no user serviceable components Opening or removing the cover will expose you to dangerous voltage Tuning off the power supply will not prevent potential electric shock Never put hands or objects into the Air Outlet of indoor or outdoor units The2. TROUBLES AND CAUS rSonditioner If one of the following malfunctions occur stop operation shut off the power and contact with your dealer e The operation lamp is flashing rapidly 5Hz This lamp is still flashing rapidly after turn off the power and turn on again See in Table 8 1 e Remote controller receives malfunction or the button does not work well 19 Asafety device such as fuse a breaker frequently actuates e Obstacles and water enter the unit e Water leaks from indoor unit e Other malfunctions If the system does not properly operate except the above mentioned cases or the above mentioned malfunctions is evident investigate the system according to the following procedures See in Table 8 2 In outdoor unit communication checking channel is abnormal Runnin defrosting display 1 n outdoor unit communication E1 checking channel is abnormal 2 Room temperature sensor LED2 checking channel is abnormal Quick flash E Evaporator Pipe temperature sensor LED1 checking channel is abnormal Quick flash E3 Condensator Pipe temperature sensor LEDS3 4 checking channel is abnormal Quick flash E4 Water level al alfunction LED4 LED1 LED2 EEPROM malfunction Quick flash Quick flash LED1 LED2 LED3 LED4 Outdoor malfunction Quick flash Quick flash Quick flash Quick flash 20 9 Power failure Wait for the comeback of power Power switch is off owitch on the power Fuse of po
3. timer indicator alarm indicator temporary button 11 ll Ceiling amp Floor Type The chart based on one model of our product is for reference only which may be different from the unit you purchased air inlet with air filter in it installation pat FAN DEF indicator For cooling and heating type it s DEF for cooling only type it s FAN 9 intrared signal receiver ___ ______________ 12 ADJ USTING AIR FLOW DIRECTION Cassette Type While the unit is in operation you can agjust the air flow louver to change the flow direction and natu ralize the room temperature evenly Thus you can enjoy it more comfortably 1 Set the desired air flow direction Push the button to adjust the louver to the desired position and push this button again to maintain the louver at this position 2 Adjust the air flow direction automatically Push the SWING button the louver will swing automatically ADJUST IT UP AND DOWN While this function is set the swing fan of indoor unit runs otherwise the swing fan doesn t run The swing scale of every side is 30 When the air conditioner isn t in operation including when TIMER ON is set the SWING button will be disabled Duct and Ceiling The following is how to adjust air flow direction when air outlet part separately saled is used with the indoor unit Cooling To effectiv
4. Acloth dampened with cold water may be used on the indoor unit if it is very dirty Never use a damp cloth on the remote controller e Do not use a chemically treted duster for wiping or leave such material on the unit for long because it may damage or fade the surface of the unit e Do not use benzine thinner polishing powder or similar solvents for cleaning These may cause the plastic surface to crack or deform If you do not plan to use the unit for at least 1 month 1 Operate the fan for about half a day to dry the inside of the unit 2 Stop the air conditioner and disconnect power 3 Remove the batteries from the remote controller 14 Checks before operation AACAUTIONS Check that the wiring is not broken off or disconnected e Check that the air filter is installed Some air conditioners haven t air filters e Check that the outdoor unit air outlet or inlet is not blocked Before you clean the air conditioner be sure to disconnect the power supply plug Cleaning the air filter The air filter can prevent the dust or other particulate from going inside In case of blockage of the filter the working efficiency of the air conditioner may greatly decrease Therefore the filter must be cleaned once two weeks during long time usage f the air conditioner is positioned in a dust place the cleaning frequency of the air filter must be increased f the accumulated dust is too heavy to be
5. cleaned please replace the filter with new one replaceable air filter is an optional fitting Cassette Type 1 Open the air in grill Press the couple of grill s buttons simultaneously as indicated in sketch A Then pull down the air in grill Cautions The control box cables which are originally connected with the main body electrical terminators must be pulled off before doing as indicated above 2 Take out the air in grill together with the air filter shown in Sketch B Pull the air in grill down at 45 and lift it up to take out the grill 3 Dismantle the air filter 4 Clean the air filter Vacuum cleaner or pure water may be used to clean the air filter If the dust accumulation is too heavy please use soft brush and mild detergent to clean it and dry out in cool place 15 Duct and Ceiling Type 1 Open the air in grill Push the grill switches towards the middle simultaneously as indicated in follow figure sketch Then pull down the air in grill Cautions The control box cables which are originally connected with the main body electrical terminators must be pulled off before doing as indicated above 2 lake out the air in grill 3 Dismantle the air filter 4 Clean the air filter Vacuum cleaner or pure water may be used to clean the air filter If the dust accumulation is too heavy please use soft brush and mild detergent to clean it and dry out in cool place Fig 1 Fig 2 The air in sid
6. an speed is set to low e he temperature setting is too high or too low These are not failures Room air is smelly A bad odor comes from the air conditioner e Smells impregnated in the wall carpet furniture clothing or furs are coming out A white mist of chilled air or water is generated from the outdoor unit If any of the following conditions occur stop the air conditioner immediately set to off the power switch and contact the dealer e he indicator lamps flash rapidly five times per second you disconnect the unit with the power and then connect the unit with the power again after two or three minutes but the lamps still flash e Switch operations are erratic e he fuse is blown frequently or the circuit breaker is tripped frequently e Foreign matter or water has fallen inside the air conditioner Any other unusual condition is observed TROUBLES AND CAUSES 2 Before you ask for servicing or repairs check the following points Setting Change is Impossible e Check whether the MODE When the automatic mode is indicated on the display is selected the air conditioner AUTO automatically selects the fan The fan speed can not be speed e Check whether the MODE Conditioner automatically nee on the display is select the fan speed The fan d DRY speed can be selected during COOL and FAN ONLY and HEAT changed The Transmission Indicator A Never Comes On The remote control sig
7. and rightly recharge Leakage of refrigerant or lack of refrigerant refrigerant 21 MDV07U 019DW G 202000170285 20100630 Johnson o Controls 2010 Johnson Controls Inc www johnsoncontrols co m UMKJZ AM 110802 Johnson Controls reserve the right to change product features without prior notice
8. b vb b V 4 The chart based on one model of our product is for reference only which may be different from the unit you purchased NAMES AND FUNCTIONS O Aout DJ infrared signal receiver temporary button operation lamp timer indicator FAN DEF indicator For cooling and heating type it s DEF for cooling only type it s FAN Alarm Indicator 2 W For Slim Duct Type V Vp Vp v yb yv b b V g gt D D gt 47 47 4 gt gt gt gt gt GU 4 4 AS 45 44 4 444 D gt gt gt DA Db A gt bP gt gt b gt Db D A4 b This chart is based on 24000Btu h type So a few differences may exist the outlook and functions from yours NAMES AND FUNCTIONS connecting pine Ddrnmose infrared signal receiver D temporary button PRE DEF indicator cooling and heating type or fan only indicator cooling only type 0 timer indicator alarm indioator For Slim Duct with air inlet box Type AP b gt b gt gt D gt gt D b gt D 4 b NAMES AND FUNCTIONS E Box D infrared signal receiver temporary button PRE DEF ndicator Coolingand heating type or fan only indicator cooli
9. cess of this figure the surface of the air conditioner may attract condensation Cooling operation Heating operating Outdoor temperature 5 to 24 C cooling only type without Room temperature 0 to 30 C Outdoor temperature 11 to 43 or 21 52 type Dry operation Room temperature 17 to 30 C If air conditioner is used beyond the above conditions safety protection features may come into operation INSTALLATION Location e During cooling operation the air conditioner will dry the room air so please fix a pipe to drain all the water away from the air conditioner e Please let the indoor unit more than one metre away from the TV set and the radio in order to avoid the picture and noise interference Powerful radio transmitters or any other devices radiating high frequency radio waves can cause the air conditioner to malfunction Please consult the dealer where you purchased the air conditio ner before installing it e Don t fix the unit in the dangerous region with combustible gas or volatile matter e f the air conditioner operates in an atmosphere containing oils machine oil salt near a coastal area sulfide gas near a hot spring etc such substances may lead to failure of the air conditioner Be careful of noise or vibrations e Please fix the unit in the stable place to avoid the noise or vibrations e The noise near the air outlet of the outdoor unit may enter the air exit e Locate the
10. e should face up when using vacuum cleaner See Fig 1 e he air in side should face down when using water See Fig 2 Cautions Do not dry out the air filter under direct sunshine or with fire 5 Re install the air filter 6 Install and close the air in grill in the reverse order of step 1 and 2 and connect the control box cables to the corresponding terminators of the main body Note High static Pressure Parvis Split Type has no air filter AIR CONDITIONER OPERATIONS AND PERFORMANCE Three minute protection feature A protection feature prevents the air conditioner from being activated for approximately 3 minutes when it restarts immediately after operation Power failure Power failure during operation will stop the unit completely e The OPERATION lamp on the indoor unit will start flashing when power is restored To restart operation push the ON OFF button on the remote controller e Lightning or a car wireless telephone operating nearby may cause the unit to malfunction Disconnect the unit with the power and then connect the unit with the power again Push the ON OFF button on the remote controller to restart operation 16 Air conditioner operating conditions For proper performance run the air conditioner under the following temperature conditions Outdoor temperature 21 to 43 C or 21 to 52 C T3 type Room temperature 17 to 32 C CAUTION Room relative humidity less than 80 If the air conditioner operates in ex
11. ely cool the whole room please set the louver so that the air can come out horizontally Heating To effectively heat the bottom of the room Please set the louver so that the air can come out downwards 13 TEMPORARY OPERATIONS This function is used to operate the unit temporarily in case you misplace the remote controller or its batteries are exhausted Two modes including AUTO and mandatory COOL can be selected through the TEMPORARY BUTTON on the air inlet grill control box of the indoor unit Once you push this button the air conditioner will run in such order AUTO mandatory COOL OFF and back to AUTO 1 AUTO The OPERATION lamp is lit and the air conditioner will run under AUTO mode The remote controller operation is enabled to operate according to the received signal 2 mandatory COOL The OPERATION lamp flashes the air conditioner will turn to AUTO after it is enforced to cool with a wind speed of HIGH for 30 minutes The remote controller operation is disabled TEMPORARY BUTTON 3 OFF The OPERATION lamp goes off The air conditioner is OFF while the remote controller operation is enabled Note Only take the cassette type as example MAINTENANCE WARNING Before you clean the air conditioner be sure to disconnect the power supply plug Cleaning the indoor unit and remote controller ACAUTIONS Use a dry cloth to wipe the indoor unit and remote controller e
12. filter in it drain pump drain water from indoor unit temporary button m operation lamp n timer indicator frost indicator info window p r q alarm indicator infrared signal receiver E High static Pressure Parvis Split Type a 8 a b FA b PA b gt b gt gt P p PR p b b This chart is based on 24000Btu h type So a little differences may exist on the outlook and functions from yours NAMES AND FUNCTIONS D infrared signal receiver temporary button PRE DEF indicator cooling and heating type or fan only indicator cooling only type Q smmdwo 3 B Duct and Ceiling Type NOTICE This chart is based on 24000Btu h type So a few differences may exist on the outlook and functions from yours NAMES AND FUNCTIONS a C e indoor unit remote controller air out air flow louver at air outlet drain hose infrared signal receiver m operation lamp o PRE DEF indicator 7 N 9 outdoor unit air in air outlet connecting pipe j air inlet with air filter in it manual button b d f h n timer indicator p alarm indicator NOTICE In the case of cooling only type it is the FAN ONLY indicator W For Slim Duct Type Display Panel D p gt vb V V V p Vp v v
13. loor Type for VERTICAL DISCHARGE AIR CONDITIONER OPERAT DEF FAN MANUAL 27 4 Display Panel The chart based on one model of our product is for reference only which may be different from the unit you purchased NAMES AND FUNCTIONS installation pat FAN DEF indicator For cooling and heating type it s DEF for cooling only type it s FAN 9 infrared signal receiver operation lamp timer indicator alarm indicator temporary button 10 ll Ceiling amp Floor Type OPERATION TIMER T D DEF FAN ALARM MANUAL O 0 Display Panel Vb g b VV p Vp vb v gt b V p Db D D D 4 4 4 4 4 4 gt gt b b b 9 uA OM EHE 1 lt 4 4 4 lt 1 DA gt gt DDA D A The chart based on one model of our product is for reference only which be different from the unit you purchased NAMES AND FUNCTIONS air inlet with air filter in it installation pat FAN DEF indicator For cooling and heating type it s DEF for cooling only type it s FAN 9 infrared signal receiver operation lamp
14. ly to get a comfortable situation and to avoid supercooling and superheat e n cooling close the curtains to avoid direct sunlight To keep cool or warm air in the room never open doors or windows more often than necessary e Set the timer for the desired operating time e Never put obstructions near the air outlet or the air inlet Or it will cause lower efficiency even a sudden stop e f you don t plan to use the unit for a long time please disconnect power and remove the batteries from the remote controller When the power switch is connected some energy will be consumed even if the air conditioner isn t in operation So please disconnect the power to save energy And please switch the power on 12 hours before you restart the unit to ensure a smooth operation e A clogged air filter will reduce cooling or heating efficiency please clean it once two weeks PARTS NAMES The air conditioner consists of the indoor unit the outdoor unit the connecting pipe and the remote controller B Cassette Type 4 6 OPERATION TIMER DEF FAN ALARM Display Panel A gt A a 4 gt A b This chart is based on 24000Btu h type So a few differences may exist on the outlook and functions from yours 2 NAMES AND FUNCTIONS a indoor unit b outdoor unit C remote controller d air in air out f air outlet g air flow louver at air outlet h connecting pipe drain hose j air inlet with air
15. nal is e Check whether the batteries The remote control signal is not transmitted even when in the remote controller are not transmitted because the the ON OFF button is pushed exhausted power supply is off The Display Never Comes On The TEMP indicator does e Check whether the MODE The temperature cannot be not come on indicated on the display is set during fan only operation FAN ONLY FAN ONLY The Display Goes Off The indication on the display Check whether the timer The air conditioner operation disappears after a lapse of operation has come to an stops since the set time time end when the OFF TIMER elapsed is indicated on the display The ON TIMER indicators e Check whether the timer When the time set to start the go off after a lapse of certain operation is started when air conditioner is reached the time the ON TIMER is indicated air conditioner will automatically on the display start and the appropriate indicator will go off The Signal Receiving Tone does Not Sound No receiving tone sounds e Check whether the signal Direct the signal transmitter of from the indoor unit even transmitter of the remote the remote controller to the when the ON OFF button is controller is properly directed receiver of the indoor unit and pushed to the receiver of the indoor then repeatly push the ON unit when the ON OFF button OFF button twice is pushed Buttons on the remote Press Reset button controller don t work
16. ng only type alarm indicator Four way Cassette slim Type Indoor Unit Assy Control board Inlet Outdoor Unit Assy ASA dL 5 gt b b This picture is based on the type of 18000Btu h So the appearance and function may be slightly different from the unit you purchased Parts Names Indoor Unit Outdoor Unit Remote Controller Air outlet Vertical louver Connecting pipe Air Inlet Air filter installed inside to prevent the dust Drain Pump Internal installed water drain from indoor unit 0 Infrared Signal receiver Janira boton Runamp 19 Timer indicator Defrost indicator heating cooling type or fan indicator cooling T type amp Alarm indicator One way Cassette Type INDOOR UNIT OUTDOOR UNIT 10 9 inlet 6 inlet i 9 IER outlet SSS DISPLAY PANEL o o o 209 RUN TIMER FAN ALARM C C Q Q Cooling amp Heating type Cooling only type 9 INDOOR UNIT CD Outlet louver Inlet Filter Display panel Remote controller OUTDOOR UNIT 6 Refrigerant connecting drain hose pipe 7 Electric wiring Trap 9 Air outlet Air inlet side and rear Display panel 17 MANUAL button 2 Run lamp 3 FAN indicator Cooling Heating type without TIMER indicator 5 ALARM indicator 02 00 03 9 9 DEF indicator Cooling only type without Ceiling amp F
17. outdoor unit where noise emitted by it or hot air from its air outlet will cause no nuisance to your neighbours f the air conditioner sounds abnormal during operation contact the dealer where you purchased the air conditioner Wire avoid the electric shock please link the air conditioner with the ground The plug in the air conditioner has joined the ground wiring please don t change it freely The power socket is used as the air conditioner specially e Don t pull the power wiring hard When linking the air conditioner with the ground observe the local rulers f necessary use the power fuse or the circuit breaker or the corresponding scale ampere If you want to change the power wiring please contact the centre service of the local MD electric appliance Relocation If you move out or if it is desired to relocate the air conditioner consult your dealer because special skills to withdraw Freon purge air and perform other operations are required 17 TROUBLES AND CAUSES Before you ask for servicing or repairs check the following points Inoperative The power fuse is blown or the circuit breaker has been tripped e he batteries in the remote controller are exhausted e he timer is set Does not cool or heat well e The air inlet or outlet of the outdoor unit is blocked e Doors or windows are open e he air filter is clogged with dust e he louver is not at the correct position e he f
18. se units are installed with a fan running at high speed To touch the moving fan will cause serious injury To avoid the risk of serious electrical shock Never sprinkle or spill water or liquids on unit AWARNING Ventilate the room regularly while the air conditioner is in use especially if there is also a gas appliance in use in this room Failure to follow these directions may result in a loss of oxygen in the room WARNING To prevent electric shock turn off the power or disconnect the power supply plug before beginning any cleaning or other routine maintenance Follow the directions for cleaning in the Owner s Manual Do not use liquid cleaners or aerosol cleaners use a soft and dry cloth for cleaning the unit To avoid electric shock never attempt to clean the units by sprinkling water Do not use caustic household drain cleaners in the unit Drain cleaners can quickly destroy the unit components drain pan and heat exchanger coil etc For proper performance operate the unit in temperature and humidity ranges indicated in this owner s manual If the unit is operated beyond these conditions it may cause malfunctions of the unit or dew dripping from the unit HINTS FOR ECONOMICAL OPERATION The following should be noticed to ensure an economical operation Refer to corresponding chapter for details e Adjust the air flow direction properly to avoid winding toward your body e Adjust the room temperature proper
19. wer switch may have burned Replace the fuse Batteries of remote controller Replace the batteries or check the exhausted or other problem of controller controller Unit does not start Air flowing normally Temperature is not set correctly but completely can t in minutes protection of cooling compressor Refrigerant is too little or too much Check leakage and rightly recharge Air or no concreting gas in the refrigerant Units start or stop refrigerating circuit Vacuum and recharge refrigerant frequently Compressor is malfunction Maintenance or change compressor Voltage is too high or too low Install manostat oystem circuit is blocked Find reasons and solution Outdoor unit and indoor unit heat Clean the heat exchanger exchanger is dirty Clean the air filter The air filter is dirty Eliminate all dirties and make air Inlet outlet of indoor outdoor units is smooth blocked Close doors and windows Low cooling effect Doors and windows are open Make curtains in order to shelter from Sunlight directly shine sunshine Too much heat resource Reduce heat source Outdoor temp is too high AC cooling capacity reduces normal Leakage of refrigerant or lack of Check leakage and rightly recharge refrigerant refrigerant Set the temperature properly Wait Outdoor temperature is lower than 7 Use heating device Doors and windows not completely Close doors and windows Low heating effect closed Check leakage
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