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dc inverter multi-system air conditioner technical & service manual

1. 518 7 lt sert ss 99 sre ls C be 4 1 I v i i i i i T T T 828 E amp _ I 111 171 1 m IE z a pee I Ed E ni gu 518 Tg 17 Indoor Unit MCAF188R5I MCAF248R5I lt A i 202 4 iu nei 2 mmc PEE gua Sac i EE o i o sa a ha o5 961 3 i ol QS 3 ce v a a See i H N 55 ess L Y 1 906 o ze Jal o amp ite 986c alin igar A 19 ire to E s H o 0 H H g Lu
2. Air clean filter In general the filter should be sucked to remove dust in low fan speed of a vacuum cleaner once every three months If there is heavily grime on the filter soak the filter in lukewarm water with neutral detergent diluted 1 500 for 1 to 2 minutes then wash it e Rinse the filter in clean water then let it dry on the towel in room temperature Do not bend nor give excessive force onto the air clean filter If the filter surface is heavily blocked with dirt or damaged replace it with new one Purchase a replacement filter at your local dealer model STK FDXB e Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 40 C wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water Refer to How to remove the anti mold filter and How to replace the anti mold filter on page 23 When using a footstool or the like be careful not to let it tip over e Clean the grille gently using a soft sponge or the like Then wipe away any remaining moisture e Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture Follow the steps below when the generator has become dirty For safety be sure to turn the air conditioner off and also to discon
3. APPENDIX C INSTALLATION INSTRUCTIONS Page Multi Outdoor Unit Indoor Unit 2 Room B APPLICABLE MULTI OUTDOOR UNITS 2 Hoom 4 Room 4 Room GRF148MRB5I GRF198MRB5I GRF248MRB5I GRF318MRB5I MCAF78MRBSI YES YES YES YES MCAF98MRBSI YES YES YES YES MCAF128MRBI MCAF188R5I YES YES YES YES MCAF248R5I 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C 23 C W B 43 C D B Minimum 19 C 14 C WB 19 C D B Heating Maximum Minimum 27 C D B 16 C D B 24 C D B 18 W B D B 15 C WB 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit MCAF78MR5I Type Wall Mounted Type Indoor Unit Power Source 220 to 240V Single Phase 50Hz Voltage Rating 230V BTU h 7 500 8 500 Kir Circulation High m aoo Moisture Removal High Wen 18 Available Voltage Range Running Amperes Power Input Controls Temperature Control Control Unit Timer Fan Speeds Indoor Airflow Direction Indoor Horizontal Vertical Air Filter Refrigerant Operation Sound Indoor Hi Me Lo Qt dB A 33 30 27 23 33 30 27 23 Qt Quiet mode Refrigerant Tubing Connectio
4. Set screw only for transportation Fig 6 Rear panel A marks Fig 7 Right rear tubing Left tubing recommended Left rear a j tubing Right tubing Downward tubing Fig 8 70 mm MCAF78 98 128 I MaN i 2 4 Using a sabre saw key hole saw or hole cutting drill attachment cut a hole in the wall See Table 4 and Fig 10 Table 4 Hole Dia mm MCAF78 98 128 MCAF 188 248 65 80 5 Measure the thickness of the wall from the inside edge to the outside edge and cut PVC pipe at a slight angle 6 mm shorter than the thickness of the wall Fig 11 6 Place the plastic cover over the end of the pipe for indoor side only and insert the pipe in the wall Fig 12 3 3 Install the Rear Panel on the Wall Be sure to confirm that the wall is strong enough to suspend the unit See either Item a or b below depending on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided Fig 13a or 13b If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use rawl plugs or toggle bolts to go through the holes on the panel or drill 5 mm dia holes in the panel over the stud locations and then mount the rear panel Double check with a carpe
5. Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 24 6 ELECTRICAL DATA 6 1 Electric Wiring Diagrams MCAF78MRB5I MCAF98MRB5I MCAF128MR5I Indoor Unit To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts EVAPORATOR TERMINAL BASE FLAP MOTOR RED BLK WHT YEL BLU FAN MOTOR TO OUTDOOR UNIT gt n 0 lt n z lt E a 2 ROOM THERMISTOR BLK M BLK BLK 607 BLK COIL THERMISTOR WHT RED BLK CONNECTOR JEM A HA 4P WHT pee a er 25 8FA 2 5257 72600 1 Indoor Unit MCAF188R5I MCAF248R5I To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts TERMINAL BASE EVAPORATOR jag BLK 1 T o 2 S E z 2 S ue L 9 CONNECTOR RED RED gt PNK WHT BLU WHT BRN WHT YEL WHT lt WHT FLAP MOTOR WHT S WHT WHT ROOM THERMISTOR RED BLK QV BLK BLK BLK WA WHT BLK YEL COIL THERMISTOR BLU FAN MOTOR GRN YEL HA JEM A 4P WHT relie EEA Epor es 8FA 2 5257 68200 0 26 7 FUNCTIONS 7 1 O
6. 4 Safety Instructions ione arte E 4 Names Of Parte e eres TAE Dr RE Ex ERE tenets 5 Using the Remote Control 10 Operation with the Remote Control 12 1 Automatic Operation cessisse cek tan 12 2 Manual Operation 13 3 Adjusting the Fan Speed eene 14 CM CIS MM 14 5 Night Setback 15 6 QUIET ModE itr erben 16 7 HIGH POWER MOJE ien 16 BION MOOG me 16 Special Bemarks c tte treat eere Hessians Eo Lu PR ERR ua c 17 Setting the TimMer sis cscs ced ase 18 Using the 1 Hour OFF Timer 20 Tips for Energy 20 Adjusting the Airflow Direction nmn 21 Operation without the Remote Control Unit ssesssseseeeeee 22 Care and nnns enne 22 TROUDIGSNOOLING enrii P E a 25 Operating
7. 25 Product Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate on the bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number DECLARATION OF CONFORMITY This product is marked as it satisfies EEC Directive No 89 336 EEC 73 23 EEC 93 68 EEC and 92 31 EEC This declaration will become void in case of mis usage and or from non observance though partial of Manufacturer s installation and or operating instructions Ol 048 3 EG Alert Symbols The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance This symbol refers to a hazard or unsafe WARNING practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe N CAUTION practice which can result in personal injury or product or property damage NEES Avoid Installation Location We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit Before installation check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate Do not install this air cond
8. FLAP HIGH POWER A Sweep function B Setting the airflow manually q The flap starts moving up and down to Referring to the above illustration use the 77 deliver air over the sweep range FLAP button to set the airflow direction within the range used during the heating C Auto flap function cooling or dehumidifying operation RY The flap is set to the recommended position NOTE The flap automatically closes when the unit is off During the heating operation the fan speed will be very low and the flap will be in the horizontal position position until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control Usethe FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap position will now be normal again Do not have the flap pointed down during cooling operation Condensation may begin to form around the air vent and drip down OI 048 21 EG 21 INDOOR UNIT TIMER QUIET OPERATION Jj OPERATION button OPERATION NOTE
9. Indirect sunlight Behind a curtain or other places where it is covered More than 8 m away from the air conditioner Inthe path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic noise Where there is an obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 5 minutes Mounting the Remote Control Before mounting the remote control unit press the ON OFF operation button Unit at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Remote control Rear side unit mount To prevent loss of the remote control Mounting screws unit you can connect the remote 4 x 16 included control unit to the mount by passing a string through the remote control unit and attachment hole To take out the remote control unit pull it forward When Holding the Remote When using the remote control unit and during air conditioner operation Control Unit the transmitter on the remote control unit should be pointed toward the receiver on the indoor unit Make sure that there are no objects between the remote control unit and receiver which could block the signal OI 048 11 EG 11 1 Automatic Operation NOTE Operation with the
10. rm NOTE 10 Using the Remote Control Unit 1 Slide the cover in the direction indicated by the arrow and remove it 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 3 Use a thin object such as the tip of a pen to press the ACL button ACL button The batteries last about six months depending on how much you use the remote control unit Replace the batteries when the remote control unit s display fails to light or when the remote control cannot be used to change the air conditioner s settings Usetwo fresh leak proof type AAA alkaline batteries replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries e If you do not use the remote control unit more than 1 month take out the batteries OI 048 10 EG Using the Remote Control Unit continued How to Use the Remote When using the remote control unit always point the unit s transmitter head Control Unit directly at the air conditioner s receiver Air conditioner Indoor unit Remote control unit Remote Control Unit The remote control unit may be operated either from a non fixed position or Installation Position from a wall mounted position To ensure that the air conditioner operates correctly DO NOT install the remote control unit in the following places
11. 4 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 8 9 1 EE 2o eG 2 o gt o 3 oe x qd gt 4 5 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 22 Indoor Unit MCAF188R5I Room air temp 27 C Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m N Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 _ 1 EE gt fe o v gt 3 2P x lt gt 4 1 uod Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 23 Indoor Unit MCAF248R5I Room air temp 27 C Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 Axis air velocity m s Vertical distance m
12. SM700739 Important Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard WARNING or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard CAUTION unsafe practice which can result in personal injury or product or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO
13. ADDRESS switch ACL button Temperature display selector button NOTE The illustration above pictures the remote control unit after the cover has been opened Transmitter When you press the buttons on the remote control unit the mark appears in the display to transmit the setting changes to the receiver in the air conditioner Sensor A temperature sensor inside the remote control unit senses the room temperature Display Information on the operating conditions is displayed while the remote control unit is switched on If the unit is turned off FLAP setting and FAN SPEED setting are not displayed ION button 818 This button is for turning the negative ions generated during operation on and off ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button When you press this button regardless of whether the unit is 1 HOUR OFF TIMER operating or stopping the unit operates for one hour and then shuts down OI 047 8 EG Remote Control Unit continued Temperature setting buttons TEMP Press the 12 button to increase the set temperature Press the v button to reduce the set temperature The temperature setting changes by 1 C or 2 F each time one of the TEMP buttons is pressed QUIET button When you press this button the fan rotates slower than the fan speed setting to provide a quieter
14. ON OFF c At the same time press the ACL reset button operation once Use a pointed object such as the tip of a ION puttori pen to press the ACL button button After a few seconds amp appears and oP 1 blinks in the remote controller display area Fig 59b d Release the 1HR TIMER button e Release the ION button 2 Start Cooling mode test run by pressing the ON OFF operation button of the remote controller c 5 Fig 59a This starts the fan producing uncooled forced air with the 4 indicator lamps OPERATION lamp TIMER lamp QUIET lamp and ION lamp on the main unit blinking Fig 60 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cool mode test run is unaffected by the room temper ature 3 Press the ON OFF operation button of the remote controller again to stop the test run Fig 59a 4 Finally press the ACL reset button of the remote controller to release it from Test Run mode to return to normal mode Fig 59a OUIET MODE FAN SPEED NIGHT SETBACK TIMER OFF ACL Reset button and oP 1 will disappear from the remote controller display area IMPORTANT After the test run is completed be sure to press the ACL reset button to return to normal mode The air conditioner will not operate correctly if this is not done OPERATION lamp OPERATION anon IL 1 TIMER lamp T
15. SET TEMP 11 Llc TM 4 Timer 24 hour clock with ON OFF program Timer C 7A ON ON e M P OFF Timer 1 hour OFF Timer J b NIGHT SETBACK A 6 Confirmation f of transmission 7 Auto flap indication Flap angle indication A Sweep indication 23 x 8 High power operation 7 9 Quiet 10 ION operation ID Remote Control Unit Transmitter Sensor DWOR BS SEE mt mt E BBE MO zwo ge 15 1 x n 55 gt ul Ry GE Display Cover closed ON OFF operation button 1 HR TIMER button Temperature setting buttons TEMP ION button MODE selector button NIGHT SETBACK button QUIET button FAN SPEED selector button FLAP button HIGH POWER button ON TIME Advance button Advance button OFF TIME setting R b Ret butt setting buttons eturn button Duon buttons CANCEL button CLOCK button SENSOR button Time display selector button
16. Each time this button is pressed the type of operation conducted is indicated by the changing color of the OPERATION lamp Press the button and select the lamp color that suits your preference for operation Cooling operation Heating operation Stop green red lamp off 1 This lamp lights when the system is the continuous AUTO red or green HEAT red DRY orange and COOL green mode The OPERATION lamp lights up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mode ION lamp This lamp lights during operation in ION mode while the indoor unit is operating NOTE The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode OI 047 6 EG Displayed when the time display is set to 12 hour time Remote Control Unit Display Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Symbols 1 Operation mode 2 Fan speed Automatic operation 3 Temperature setting 16 30 C When set to 28 C temperature indication OI 047 7 EG M AS _ _
17. The address switch changes to prevent mixing of signals from remote control units when two air conditioners are installed next to each other Normally the address switch is set to A For more information please contact the dealer where you made the purchase Normally the tabs on the remote control unit should not be bent S M Single Multiple switch NOTE e Initially the S M switch is set to S Single e Set this switch to M Multiple for multiple operation e Always press ACL button by a thin object such as the tip of a pen after setting the S M switch When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units NOTE The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases the temperature around the remote control unit may differ from the temperature detected at the air conditioner s position How to Install Batteries FAN SPEED NIGHT SETBACK C2 C2 FLAP HIGH POWER me D nm TIMER OFO c o z c ww lt gt gt
18. WS E connector Fig 30 Strip 10 mm Twist wire ends E x Fig 31 Special washer Screw d Ring connector i KD Screw and special washer E Terminal plat Wire erminal plate A Ring 1 connector Zz Wire Fig 32 3 8 Mounting 1 2 To install the indoor unit mount the indoor unit onto the 2 tabs on the upper part of the rear plate Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely fasten to the 2 tabs on the lower part of the rear plate Fig 33 For tubing choose either the right or left tubing direc tion and follow the steps below This work can be made easier by placing padding material such as styrofoam at the rear right side of the indoor unit Fig 34 E Right side tubing 1 2 Shape the refrigerant tubing so that it can easily go into the wall hole Fig 35 Push the wiring refrigerant tubing and drain hose through the hole in the wall Adjust the indoor unit so it is securely seated on the rear panel Fig 36 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then tape as far as the fittings See Caution on page 15 in the outdoor unit installation manu al The drain hose should come straight down the wall to a point where water runoff won t stain the wall Connect the refrigerant tubing to the outdoor unit After performing
19. Fig 44 Push Foamed polyethylene or its equivalent is recom mended Fig 42 Do not supply power to the unit or operate it until all tubing and wiring to the Slant outside unit are completed Risk of Electric Shock unit SN Fig 43 Condensation 4 Multiple Switch on the Remote Control Unit qi Indoor Unit Types t MCAF188R5l MCAF248R5I et Locally purchased S M Single Multiple switch must be used Fig 44 e Initially the S M switch is set to S Single e Set this switch to M Multiple for multiple operation e Always press ACL button by a thin object such as the tip of a pen after setting the S M switch FAN SPEED NIGHT SETBACK C oJ HIGH POWER e Slide the cover in the direction indicated by the arrow and remove it Use a thin object such as the tip of a pen to press the ACL button ACL button 15 5 How to Test Run the Air Conditioner After turning on power to the air conditioner use the remote controller and follow the steps below to con duct the test run 7 C SETTEMP S 1 Set the remote controller in Test Run mode Fig 59a a Press and hold the ION button b Then press and hold the 1HR TIMER button 5 289 30 pa 9 Ev S mu Eg M gt
20. Slide the cover in the direction indicated by the arrow and remove it Sy 2 Install two AAA alkaline batteries NN Make sure the batteries point in the direction marked in the battery compartment Use a thin object such as the tip of a pen to press the ACL button ACL button The batteries last about six months depending on how much you use the remote control unit Replace the batteries when the remote control unit s display fails to light or when the remote control cannot be used to change the air conditioner s settings Usetwo fresh leak proof type AAA alkaline batteries In replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries e If you do not use the remote control unit more than 1 month take out the batteries OI 047 10 EG Using the Remote Control Unit continued How to Use the Remote When using the remote control unit always point the unit s transmitter head Control Unit directly at the air conditioner s receiver Air conditioner Indoor unit Remote control unit Remote Control Unit The remote control unit may be operated either from a non fixed position or Installation Position from a wall mounted position To ensure that the air conditioner operates correctly DO NOT install the remote control unit in the following places Indirect sunlight Behind a curtain or other places where
21. H1 4 QUIET lamp ION lamp OPERATION Fig 60 16 6 Remote Control Unit Installation Position The remote control unit can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote control unit in the following places In direct sunlight Behind a curtain or other place where it is covered More than 8 m away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Where there is an obstacle between the remote control unit and the air conditioner since a check signal is sent from the remote control unit every 5 minutes 6 1 Mounting on a Wall Before mounting the remote control unit press the ON OFF operation button at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Remote control unit mount D 2 Press Set in 1 place To prevent loss of the remote control Mounting screws unit you can connect the remote 4x16 included control unit to the mount by passing a string through the remote control unit and attachment hole To take out the remote control unit pull it forward Fig 61 17 7 Address Switch 7 1 Add
22. Holding down the 17 button advances the time rapidly in _ te 10 minute increments ON 2 PH 3 Wait a few seconds and then The timer indication stops amp es the setting is complete blinking and the present time is displayed 4 How to set DAILY ON OFF Example To start operation at 7 10 am and stop the air conditioner at 11 00 REPEAT timer am 10 30 pm 7 10 am 11 00 am Present time ON OFF 1 Set the timer ON OFF times as The present time 10 30 pm and shown in 2 1 2 3 and 3 1 2 3 are displayed L ONS GY OFF 401 Ft NOTE The ON OFF combination timer uses the current time as PM L6 ZOLL amp OK the reference and it is activated starting from whichever set time comes first With the ON OFF combination timer the settings are repeated every day You can check the timer ON OFF times after you have set them by pressing the ON TIME and OFF TIME setting buttons To cancel a timer program Press the CANCEL button When either an ON or OFF timer is to be canceled press the button corresponding to the timer whose program is to be canceled and then press the CANCEL button The airflow direction fan speed and temperature setting can be changed after a timer program has been set even when the unit is stopped Even when operation is stopped during an ON timer program the unit will start operating when the set time is reached provi
23. a leak test on the connecting part insulate it with the tubing insulation Fig 37 Also refer to Section 3 6 Tubing connections in the outdoor unit installation manual Assemble the refrigerant tubing drain hose and inter unit wiring as shown in Fig 37 Push Fig 33 Padding material Fig 34 Rear pane Cover Refrigerant tubing mium m T ui Inter unit wiring Drain hose Fig 35 UR Insulation Fig 37 Bi Left side tubing 1 Lead the tubing and drain hose through the wall allowing sufficient length for connection Then bend the tubing using a tube bender to make the attachment Fig 38 Switch the drain hose and drain cap Switching drain hose and drain cap a Locate the drain hose and the drain cap Fig 39 b Remove the screws fastening the drain hose on the right side and pull out the drain hose to remove it Fig 39 Apply moderate force to pull off the drain cap on the left side If you cannot pull it off by hand use a long nose pliers Reattach the drain hose to the left side and the drain cap to the right side Fig 40a d Drain hose Slide the drain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insu lation Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in contact then fasten them with the screw After at
24. control is the same as in the a area E Freeze prevention During COOL or DRY operation freezing is detected and operation is stopped when the temperature of the indoor heat exchanger matches the conditions below 1 Freeze prevention operation is engaged when the temperature of the indoor heat exchanger is below 6 C 2 Restart after freeze prevention operation occurs when the temperature of the indoor heat exchanger reaches 8 C or above Indoor heat exchanger temperature C b Area Automatic capacity control When the temperature drops below Point A the operation frequency is reduced by a certain proportion Area Frequency increase is prohibited When the temperature reaches Point C or above freezing prevention is ended and control is the same as in the a area When the temperature drops to below 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less than the maximum frequency until it is turned off 29 E Cold air prevention during heating During heating the fan speed is set to LL very low or stopped As the temperature of the indoor heat exchanger rises the fan speed is changed to the set speed Set fan speed High At stability of operation At start of operation 25 Approx 40 gt Indoor heat exchanger temperature C NOTE The fan
25. control unit senses the room temperature Display Information on the operating conditions is displayed while the remote control unit is switched on If the unit is turned off FLAP setting and FAN SPEED setting are not displayed ION button gm This button is for turning the negative ions generated during operation on and off ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER A When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down OI 048 8 EG Remote Control Unit continued Temperature setting buttons TEMP Press the 12 button to increase the set temperature Press the v button to reduce the set temperature The temperature setting changes by 1 C or 2 F each time one of the TEMP buttons is pressed QUIET button When you press this button the fan rotates slower than the fan speed setting to provide a quieter operating sound MODE selector button Use this button to select AUTO HEAT DRY COOL or FAN mode AUTO When this setting is selected the air conditioner calculates the difference between the thermostat setting and the room temperature and automatically switches to the or HEAT mode as appropriate except at of the Single Multiple switch HEAT 3 The air con
26. door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the units weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration When Connecting Refrigerant Tubing Do not add any refrigerant air or substance into the refrigeration circuit other than the designated refrigerant R410A Adding anything other than the specified refrigerant may cause the pressure to rise excessively in the refrigeration circuit rupturing the circuit and causing injury or damage Use all new tubing and flare nuts to make the tubing connections Using any previous parts from R22 based Systems may result in damage to the equipment and may lead to the refrigeration circuit rupturing causing a serious accident Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak
27. even though the 7 mark is displayed Depending on the operating conditions the fan speed may be increased by a small amount only The ION mode is used during operation to generate negative ions that freshen up the air in the room Press the ION button The mark appears in the display To cancel press ION button again The indoor unit s ION lamp lights up while negative ions are being generated e ION on is the remote control unit s initial setting The negative ions are generated from the negative ion generator OI 047 16 EG Special Remarks DRY Operation How it works Once the room temperature reaches the level that was set the unit s operation frequency is changed automatically During DRY operation the fan speed automatically runs at lower speed for providing a comfortable breeze DRY operation is not possible if the indoor temperature is 15 C or less EG Heating 3 Operation Heating performance Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance together with it Defrosting When the outdoor temperature is low frost or ice may form on the heat exchanger coil reducing heating performance When this happens
28. in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions The flap moves up and down automatically When you press the FLAP button the air flow direction will be changed one by one as follows 1 2 3 4 5 6 7 8 S43 a 74a UN Cn NUN COM SWEEP HIGH POWER button If this button is pressed during HEAT DRY or COOL operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1step above HIGH ON TIME OFF TIME setting buttons No display The timer does not operate The air conditioner starts at the set time OFFS The air conditioner stops at the set time The air conditioner stops and starts or starts and stops at the set times every day For details see Setting the Timer OI 047 9 EG Remote Control Unit continued SENSOR button NOTE When you press this button use a small tipped object such as a ballpoint pen the amp mark will appear at the display And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly If the remote control is located near a heat source such as a space heater or in direct sunlight press the SENSOR button to switch to the sensor on the indoor unit
29. most susceptible to noise Trouble Correction 1 Locations near broadcast stations where there are strong electromagnetic waves 2 Locations near amateur radio short wave stations 3 Locations near electronic sewing machines and arc welding machines 2 Electromagnetic interference Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator lamps may flicker The fundamental concept is to make the system less susceptible to noise Insulate for noise or distance from the noise source 1 Use shielded wires 2 Move unit away from the noise source This refers to noise generated by high speed switching of the microcomputer and compressor This noise radiates through space and returns to the electric wiring affecting any wireless devices televisions radios etc located nearby Locations most susceptible to noise Trouble Correction 1 A television or radio is located near the A C and A C wiring 2 The antenna cable for a television or radio is located close to the A C and A C wiring 3 Locations where television and radio signals are weak 1 Noise appears in the television picture or the picture is distorted 2 Static occurs in the radio sound 34 Select a separate power source Keep the A C and A C wiring at least 1 meter away from wireless devices and antenna cables Change the wireless device s an
30. temperature setting 1 C when 30 minutes have passed after the selection was made and then another 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed 1 2 Setting temperature 2 F L Press the NIGHT 30 min SETBACK button When the night setback mode is selected the air conditioner automatically lowers the temperature setting 2 C when 30 minutes have passed after the selection was made and then another 2 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle heating is needed Setting r temperature 2 ASF 2 4 gt Press the NIGHT 30 min 30 min SETBACK button 15 6 QUIET Mode L PM RE AOS QUIET CC FAN SPEED NIGHT SETBACK FLAP HIGH POWER C 8 ION Mode 16 Operation with the Remote Control Unit continued QUIET Mode is used to reduce the fan sound of the indoor unit Press the QUIET button The 19 mark appears in the display To cancel press QUIET button again n QUIET Mode the fan rotates at a slower speed than the fan speed sett
31. 15 Be sure read the yellow instruction sheet 5 HOW TO TEST RUN THE AIR CONDITIONER 16 attached to the outdoor unit for models using the new refrigerant R410A 6 REMOTE CONTROL UNIT INSTALLATION POSITION orte te teet 17 6 1 Mounting on a Wall 7 ADDRESS SWITCH 18 7 1 Address Setting of the Remote Control Unit 8 CONNECTING A HOME AUTOMATION niens t ea 19 NOTE 9 INSTALLATION CHECK SHEET 19 The illustrations are based on the typical appearance of a standard model Consequently the shape may differ from that of the air conditioner that you are installing 85264190445000 12 2007 IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and oper ating standards As the installer or service person it is an important part of your job to install or service the system So it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard WARNING or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard CAUTION or un
32. 20 to 240V Single Phase 50Hz Voltage Rating 230V Capacity kW 7 BTU h 24 200 1 Air Circulation High meh Moisture Removal High Liters h Available Voltage Range Running Amperes Power Input Controls Temperature Control Control Unit Timer Fan Speeds Indoor Airflow Direction Indoor Horizontal Vertical Air Filter Refrigerant Operation Sound Indoor Hi Me Lo Qt dB A 44 41 38 30 43 40 37 30 Qt 2 Quiet mode Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube mm in 6 35 1 4 Tube Diameter Wide tube mm in 15 88 5 8 Refrigerant Tube Kit Accessories Optional Air Clean Filter Dimensions amp Weight Unit Dimensions 2 3 1 065 Package Dimensions Height 1 140 weigh Net Shipping Shipping Volume DATA SUBJECT TO CHANGE WITHOUT NOTICE 98 89 79 10 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit MCAF78MR5I Control PCB CB KMRV74EH Control Circuit Fuse 250V 3 15A Remote Control Unit RCS 4MHVPIN4E Q ty Dia and Length mm 1 D94 L634 Ambient Temp 20 C Type Internal Controller Over Current Protection Ye Yes Over Heat Protection Run Capacitor Micro F CC VAC Flap Motor Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 11 Indoor Unit MCAF98MR5I Control PCB CB KMRV94EH Control Circuit Fuse 250V 3 1
33. 5A Remote Control Unit RCS 4MHVPIN4E Q ty Dia and Length mm 1 D94 L634 mars P Ambient Temp 20 C Type Internal Controller Over Current Protection es Yes Over Heat Protection Run Capacitor Micro F CC VAC Flap Motor Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 12 Indoor Unit MCAF128MR5I Control PCB CB KMRV124EH Control Circuit Fuse 250V 3 15A Remote Control Unit RCS 4MHVPIN4E Q ty Dia and Length mm 1 D94 L634 Ambient Temp 20 C Type Internal Controller Over Current Protection Ye Yes Over Heat Protection Run Capacitor Micro F CC VAC Flap Motor Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 13 Indoor Unit MCAF188R5I Control PCB CB KRV184EH Control Circuit Fuse 250V 3 15A Remote Control Unit RCS 4MHVPINW4E Q ty Dia and Length mm 1 D94 L845 Ambient Temp 20 C Type Internal Controller Over Current Protection Ye Yes Over Heat Protection Run Capacitor Micro F CC VAC Flap Motor Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 14 Indoor Unit MCAF248R5I Control PCB Part No CB KRV244EH Con
34. C DB 24 DB 18 C WB Min 16 C DB DB 15 C WB OL 047 25 EG 25 APPENDIX B INSTRUCTION MANUAL MCAF188R5l MCAF248R5I OI 852 6 4181 048 00 0 A 2 e UY 3 Technibel AP el OPERATING INSTRUCTIONS INSTRUCCIONES DE USO NOTICE D UTILISATION BEDIENUNGSANLEITUNG ISTRUZIONI D USO This air conditioner uses the new refrigerant R410A MCAF188R5I MCAF248R5I Save These Instructions Guard is estas instrucciones Conserver ce notice d utilisation Bewahren Sie bitte diese Bedienungsanleitung auf Conservate queste istruzioni Split air conditioner system Acondicionador de aire de consola partida sistema split Climatiseurs split Sp it klimager t Condizionatore d aria split system Pub O1 8526418104 8000 12 2007 Features This air conditioner is an inverter type unit that automatically adjusts capability as appropriate Details on these functions are provided below refer to these descriptions when using the air conditioner Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation easy logically displayed for easy use Simple One touch Wireless Remote Control The remote control unit has several features to facilitate automatic operation 24 Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at a
35. HT SETBACK Ns P E 6 Confirmation of transmission gt M T C FX 7 Auto flap indication A Flap angle indication A Sweep indication Zi 8 High power operation 9 Quiet 10 ION operation ION 24 Remote Control Unit Transmitter Display ION button QUIET button FAN SPEED selector button FLAP button ONTIME Advance button setting buttons Return button CANCEL button SENSOR button ADDRESS switch NOTE Sensor NEI QRORK nn gt OFFS AM TATA TATA PM 0 000 0000 921998 Cover closed ON OFF operation button 1 HR TIMER button Temperature setting buttons TEMP MODE selector button NIGHT SETBACK button HIGH POWER button Advance button pz i Return button buttons CLOCK button Time display selector button ACL button Temperature display selector button The illustration above pictures the remote control unit after the cover has been opened Transmitter When you press the buttons on the remote control unit the mark appears in the display to transmit the setting changes to the receiver in the air conditioner Sensor A temperature sensor inside the remote
36. Heating cycle 19 5 PERFORMANCE DATA 5 1 Air Throw Distance Charts Indoor Unit MCAF78MR5I Room air temp 27 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 8 9 10 Axis air velocity m s Vertical distance m 4 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 C Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 20 Indoor Unit MCAF98MR5I Room air temp 27 C Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m N Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 C gt EE ot 2 2 gt 5 3 2P x o d gt Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 21 Indoor Unit MCAF128MRB5I Room air temp 27 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 8 9 10 Axis air velocity m s Vertical distance m N
37. I MCAF128MR5I 80 T 09 A VITE m 0 M l 5 0 Qe e o oc o a T o come Qe e 9 oe y eG c Y gt A gt lt a 9281 09 9281 2 928 b L S e eip eqni woueN 8L eip esou 8 ZS 6 eIP eqm PIM 2 6 844 6 8 1 Sv E T aa mr 9 a ip Rh zx yi g P oa cl E UNCERT Ny fu 6 y rs H ak ke 0 o o c C HE He elles WOES eol eve bt 5 sono 9 8 o o o 00000 o v Orj le oj eO d 1000 l 981 oSv 9181 vic 1 99 a H 681 Unit mm
38. If you want to adjust fan speed manually during operation just set the FAN SPEED selector button as desired 63 or OI 047 14 EG 4 Night Setback Mode QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER A In Cooling and DRY Mode and B In Heating Mode X OI 047 15 EG Operation with the Remote Control Unit continued Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while operation The mark appears in the display To release the night setback function press the NIGHT SETBACK button again When the night setback mode is selected the air conditioner automatically raises the temperature setting 1 C when 30 minutes have passed after the selection was made and then another 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed 1 2 Setting temperature 2 F L Press the NIGHT 30 min SETBACK button When the night setback mode is selected the air conditioner automatically lowers the temperature setting 2 C when 30 minutes have passed after the selection was made and then another 2 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing co
39. Lp IG IT Ic uL LJ y 0 D yt I 18 Drain hose dia 18 Narrow tube dia 6 35 1 4 a S vc F M 0 N o ll e e Lo o oo IL TE oop il t o o o o T ito o o o o o o 10 n eoho od X 9 N N 09 ET x p rL e 2 o gt Lo Te e gt y Unit mm 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit MCAF78MRBI MCAF98MR5I MCAF128MR5I Indoor unit 2 9 52 mm 3 8 i H gt icp Indoor heat L p 6 35 mm 1 4 Cooling cycle greed cce m or Heating cycle Indoor Unit MCAF188R5I OD 12 7 mm 1 2 Indoor heat i exchanger i kt gt 6 35 mm 1 4 Cooling cycle Art eee a ee eee Heating cycle Indoor Unit MCAF248RB5I Indoor unit PA i 1 15 88 mm 5 8 Y es Indoor heat gt O D 6 35 mm 1 4 Cooling cycle 1 o t dh S qat nx oe Er a on ES i di iad
40. OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 30 C max or 86 F max 16 C min 60 F min STEP 4 Set the FAN SPEED selector button to the setting you want STEP 5 Press the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction on page 21 To stop the air conditioner press the ON OFF operation button again NOTE When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units OI 047 13 EG 13 NOTE 3 Adjusting the Fan Speed 14 A Automatic fan speed B Manual fan speed Operation with the Remote Control Unit continued Choose the best position in the room for the remote control unit which also acts as the sensor for room comfort and transmits the operating instructions Once you ve found this best position always keep the remote control unit there This appliance has a built in 5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop Simply set the FAN SPEED selector button to the 2 position This automatically sets the best fan speed for the room temperature
41. Operation without the Remote Control Unit If you have lost the remote control unit or it has trouble follow the steps below When the air conditioner is not running Each time the OPERATION button is pressed the type of operation conducted is indicated by the changing color of the OPERATION lamp Press the button and select the lamp color that suits your preference for operation Cooling operation Heating operation p Stop green red lamp off 1 The temperature is set to the room temperature minus 2 C during the cooling operation and to the room temperature plus 2 C during the heating operation and the fan speed and flap are set to Auto Care and Cleaning Amm For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Casing and Grille Indoor Unit Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to force the vanes out of place Neu 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water 2 Some metal edges and the fins are sharp and may cause inj
42. Remote Control Unit When the remote conirol s S M switch is at the S Single position This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting When the remote control s S M switch is at the M Multiple position Unlike when the switch is at the S position as described above the function for automatically switching between cooling and heating does not work STEP 2 OUIET MODE STEP 1 FAN SPEED NIGHT SETBACK FLAP HIGH POWER Check that the circuit breaker on the power panel is turned on Once mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector button to VV STEP 2 Press the ON OFF operation button NOTE 12 To stop the air conditioner press the ON OFF operation button again To change the temperature setting press the temperature setting buttons and change the setting to the desired temperature OI 048 12 EG Operation with the Remote Control Unit continued 2 Manual Operation LUE 7 s 0 ZETA 1 4 FLAP HIGH POWER STEP 5 NOTE Check that the circuit breaker on the power panel is turned on I
43. Technibel eo edi sellos TECHNICAL amp we SERVICE MANUAL 2 INDOOR UNIT MCAF78MRB5I MCAF98MR5I MCAF128MR5I FILE NO MCAF188R51l MCAF248R5I Destination Europe DC INVERTER MULTI SYSTEM AIR CONDITIONER Capacity Indoor Model No Product Code No 2 20 kW MCAF78MR5I MCAF78MR5IAA 1 852 349 58 2 65 kW MCAF98MR5I MCAF98MRS5IAA_ 1 852 349 59 3 50 kW MCAF128MRB5I MCAF128MR5IAA 1 852 349 60 5 15 kW MCAF188R5l MCAF188R5IAA 1 852 349 61 7 10 kW MCAF248R5I MCAF248R5IAA 1 852 349 62 Wall Mounted Type Indoor Unit MCAF78MR5I MCAF98MR5I MCAF128MR5I MCAF188R5l MCAF248R5I lt Applicable Multi Outdoor Units gt GRF148MRB5I 2 multi unit GRF198MR5I 2 multi unit GRF248MRBI 4 room multi unit GRF318MR5I 4 multi unit NOTE For details about the combinations refer to Unit Combination Table in the 7 Service Manual for the Multi Outdoor Units Q RoHS This product does not contain any hazardous substances prohibited by the RoHS Directive N WARNING You are requested to use RoHS compliant parts for maintenance or repair You are requested to use lead free solder F GAS REGULATION EC No 842 2006 Do not vent R410A into atmosphere R410A is a fluorinated greenhouse gas covered by Kyoto Protocol with a Global Warming Potential GWP 1975 REFERENCE
44. Temperature Display Selector button This switches the temperature display between C and F Time Display Selector button This switches the time display between 24 hour time and 12 hour time ACL button ALL CLEAR Puts the remote control unit into pre operation status Always press this button after replacing the batteries ADDRESS switch The address switch changes to prevent mixing of signals from remote control units when two air conditioners are installed next to each other Normally the address switch is set to A For more information please contact the dealer where you made the purchase Normally the tabs on the remote control unit should not be bent NOTE The remote control unit sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote control unit stops for more than 15 minutes due to the loss of the remote control unit or other trouble the air conditioner will switch to the temperature sensor which is built into the indoor unit and control the room temperature In these cases the temperature around the remote control unit may differ from the temperature detected at the air conditioner s position 10 How to Install Batteries FAN SPEED NIGHT SETBACK FLAP HIGH POWER TIMER OFF SENSOR THAPA O ADR Using the Remote Control Unit 1
45. Tubing Length Difference of Additional Model per unit at shipment L1 L2 or L1 L2 L3 H1 H2 H3 H4 Refrigerant m L1 L2 or L1 L2 L3 or L1 L2 L3 L4 m g m or L1 L2 L3 L4 m m GRF148 20 30 L1 L2 30 L1 L2 15 GRF198 25 45 L1 L2 45 L1 L2 15 GRF248 25 45 L1 L2 L3 L4 60 L1 L2 L3 L4 15 20 GRF318 30 45 L1 L2 L3 L4 70 L1 L2 L3 L4 15 20 If total tubing length becomes 45 to 60 m max or 45 to 70 m max charge additional refrigerant R410A by 20 g m No additional charge of compressor oil is necessary 2 2 Embedding the Tubing and Wiring Before beginning embedding installation work consult fully with agencies or offices related to the building s foundation construction electricity and water Wait to make connections to the embedded portion Each connection step is described later in this manual Securely cover the end of the embedded tubing to prevent intrusion of dirt or moisture If an embedded tube is to be left for a long time fill the tube with nitrogen and seal both ends securely If a tube is left open for an extended time moisture in the air inside the tubing may condense into water droplets and lead to water contamination of the refrigerant circuit In order to prevent insulation breakdown and ground faults do not allow wiring ends to come in contact with rainwater or be subjected to condensation or dew Apply sufficient thermal insulation to the r
46. WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard Install a protective leakage breaker depending on the installation location especially a damp or humid location If a leakage breaker is not installed electric shock can occur When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibrati
47. a microcomputer defrosting system operates At the same time the fan on the indoor unit stops and the OPERATION lamp lights red and orange alternately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms Cold draft prevention For several minutes after the start of heating operation the indoor fan runs at a lower speed until the indoor heat exchanger coil has warmed up sufficiently However the fan may remain stopped when the room temperature is low This is because the COLD DRAFT PREVENTION SYSTEM is in operation Power failure during Inthe event of power failure the unit will stop When the power is operation resumed the unit will restart automatically within 15 minutes by the remote control unit Clicking Sound Clicking sound is heard from In heating or cooling operation any plastic parts may expand or shrink due the air conditioner to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear Remote Control Unit The remote control unit sends the setting condition signals to the air conditioner regularly at five minute intervals OI 047 17 EG 17 Setting the Timer QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER NOTE In the descriptions below the fol
48. an be adjusted by moving the flap with the remote control unit Do not move the flap with your hands Confirm that the remote control unit has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings OUIET MODE Co C FAN SPEED NIGHT SETBACK FLAP HIGH POWER A Sweep function B Setting the airflow manually The flap starts moving and down to Referring to the above illustration use the 77 deliver air over the sweep range FLAP button to set the airflow direction within the range used during the heating C Auto flap function cooling or dehumidifying operation SRY The flap is set to the recommended A position M NOTE The flap automatically closes when the unit is off During the heating operation the fan speed will be very low and the flap will be in the horizontal position position until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control Usethe FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap posit
49. ance Return The time can be set in 1 minute button until PM 10 30 is increments Holding down the displayed button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes the setting of the current time 2 How to set the OFF time Example To stop the air conditioner at 11 00 am ATA 1 Press the OFF TIME setting The timer indication is L LOL button once displayed and the present OFF xu time is shown ETIT 2 Press the Advance Return a The timer indication blinks po v button until AM 11 00 is The time can be set in 10 minute displayed increments Holding down the button advances the time rapidly in 41 10 minute increments L Ke 3 Wait a few seconds and then The timer indication stops the setting is complete blinking and the present time is Osx displayed 18 OI 048 18 EG Setting the Timer continued 3 How to set the ON time Example To start operation at 7 10 am n 8 n Operation Indication y 1 Press the ON TIME setting The timer indication is button once displayed and the present ON time is shown AM NT 4 ON 2 Press the Advance Return a The timer indication blinks fe v button until AM 7 10 is The time can be set in 10 minute displayed increments
50. and fan speed settings HIGH POWER operation from remote controller The unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Frequency Time 30 5 V Start End MAX NOTE When HIGH POWER operation ends the unit operates at low Hz for 5 minutes regardless of the thermostat OFF conditions When in DRY mode operation is in the cooling zone E Lamp colors OPERATION lamp HEAT operation DRY operation COOL operation DEFROSTING operation Red Orange Green Red and Orange alternately TIMER lamp Green QUIET lamp ION lamp Green Green E Timer backup Operation stops if there are no operator controls for 25 hours or longer after unit operation switched from OFF to ON by use of ON timer operation 28 E NIGHT SETBACK When NIGHT SETBACK operation is set the temperature and fan speed settings will be adjusted automatically to allow comfortable sleep When NIGHT SETBACK operation is set mark appears the remote controller The main unit display lamp also becomes dimmer COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 1 C when 30 minutes have passed after the selection was made and then another 1 C after another 30 minutes have passed regardless of the indoor temperature when night setback was select
51. azard or unsafe N CAUTION practice which can result in personal injury or product or property damage Avoid Installation Location We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit Before installation check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate Do not install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Electrical Requirements 1 2 3 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details Each unit must be properly grounded with a ground or earth wire or through the supply wiring Wiring must be done by a qualified electrician NEE AN Emend Safety Instructions Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions U
52. ch 3 Knife or wire stripper 14 Adjustable wrench pe tape measure 15 Reamer for deburring 1 2 Accessories Supplied with Unit Table 1 Parts Parts Figure Q ty Parts Figure Q ty Truss head Remote um Tapping screw Phillips 2 Air clean filter 2 control unit Remote control Trise neag unit holder Tapping screw 8 Clamp Ob 1 AAA alkaline Packed in the indoor unit battery 1 3 Optional Copper Tubing Kit 2 Foamed polyethylene insulation for the specified Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tubing fittings and insulation Consult your copper tubes as required to precise length of tub ing Wall thickness of the insulation should be not less than 8 mm nearest sales outlet or Air Conditioner workshop 3 Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 3 6 Wiring Instructions for details 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately Check local electrical codes from a local source you will need and regulations before 1 Deoxidized annealed copper tube for refrigerant obtaining wire Also check tubing as detailed in Table 2 any specified instructions or Cut each tube to the appropriate lengths 30 cm limitations to 40 cm to dampen vibration between units Table 2 Narrow Tube Wide Tube Outer Dia T
53. ches the level that was set the unit s operation frequency is changed automatically During DRY operation the fan speed automatically runs at lower speed for providing a comfortable breeze DRY operation is not possible if the indoor temperature is 15 C or less EG Heating 3 Operation Heating performance Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance together with it Defrosting When the outdoor temperature is low frost or ice may form on the heat exchanger coil reducing heating performance When this happens a microcomputer defrosting system operates At the same time the fan on the indoor unit stops and the OPERATION lamp lights red and orange alternately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms Cold draft prevention For several minutes after the start of heating operation the indoor fan runs at a lower speed until the indoor heat exchanger coil has warmed up sufficiently However the fan may remain stopped when the room temperature is low This is because the COLD DRAFT PREVENTION SYSTEM is in operation Cooling 3x Op
54. coil Remove obstruction Poor cooling or heating performance 1 Dirty or clogged air filter 2 Heat source or many people in room 3 Doors and or windows are open 4 Obstacle near air intake or air discharge port 5 Thermostat is set too high for cooling or too low for heating 6 Outdoor temperature is too low for heating 1 Clean air filter to improve airflow 2 Eliminate heat source if possible 3 Shut them to keep the heat or cold out 4 Remove it to ensure good airflow 5 Set the temperature lower or higher 6 Consult your dealer or try to use another heat appliance Clicking sound is heard from the air conditioner In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear OPERATION lamp lights but outdoor unit will not run The use of cellular phones near the air conditioner may cause disturbance to its normal operation 1 Turn off the power then restart the air conditioner after a while 2 Consult your dealer Operating Range The air conditioner is operable within the temperature ranges as listed below Temperature Indoor air temperature Outdoor air temperature COOLING Max 32 C DB 23 C WB 43 C DB Min 19 C DB 14 C WB 19 C DB HEATING Max 27
55. cs is completed when the buzzer sounds 3 short beeps CANCEL clock A maximum of self diagnostics reports are displayed for 5 seconds lt gt each beginning with the most recent report Following this display the SENSOR TARF 12H db24H lamps turn OFF In order to view the self diagnostics results again ACL press the ON OFF button again Reset The 3 lamps remain OFF if no trouble has occurred button IMPORTANT After self diagnostics is completed be sure to press the ACL reset button to return to normal mode The air conditioner will not operate if this is not done 30 1 Self diagnostics Lamps INDOOR UNIT OPERATION TIMER QUIET 1 OPERATION lamp sor 2 TIMER lamp 711 3 QUIET lamp ION lamp OPERATION OPERATION button REMOTE CONTROL receiver Since the indications cover various units the corresponding parts listed below may not be present in some models Indication on indoor unit OFF X Blinking Cf ON Illuminated Timer 2 Operation 1 Code Diagnostics items Diagnostics contents S01 Room temperature sensor failure 502 Indoor heat exchanger sensor failure 503 Humidity sensor failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location short circuit detection only for the humidity sensor 3 Indoo
56. ded that the program is not canceled When the ON timer and OFF timer are set to the same time the timer operates as if it is turned off NOTE OI 048 19 EG 19 1 1 Hour OFF Timer 371 amb c NOTE 2 Operation together with the DAILY ON OFF REPEAT Timer Using the 1 Hour OFF Timer This function causes the unit to operate for one hour and then stop regardless of whether the unit is on or off when this button is pressed The indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the display Cancellation procedure Press the ON OFF operation button to turn the unit off wait for the unit to stop operating and then press the ON OFF operation button again The 1 Hour Timer function is now cancelled and the unit operates normally f while the 1 Hour Timer function is operating the 1HR TIMER button is pressed once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stops e tis not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later The 1 Hour OFF Timer setting is given priori
57. ditioner makes the room warmer DRY The air conditioner reduces the humidity in the room COOL sz The air conditioner makes the room cooler FAN 9 The air conditioner works only as a circulation fan except at M of the Single Multiple switch FAN SPEED selector button The air conditioner automatically decides the fan speeds High fan speed 83 Medium fan speed Low fan speed NIGHT SETBACK button For details see 5 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy FLAP button NOTE Press this button either to select the setting of the airflow direction to the auto flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically Auto flap setting If selected in a heating operation the flap is set to position 3 in the following chart If selected in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions The flap moves up and down automatically AM When you press the FLAP button the air flow direction will be changed one by one as follows 1 2 3 4 5 6 7 8 oN o oW Won at ao SWEEP HIGH POWER but
58. e indoor circuit board or a ROM socket insertion problem or the ROM has not been installed AIR CONDITIONER ___ 2 The failure mode is stored in memory even when the power is not ON Follow the procedure below to perform diagnostics PROCEDURE operation After turning on power to the air conditioner use the remote controller and ION HQ Gy button follow the steps below to execute self diagnostics ON OFF O ON OFF button Step 1 Press and hold the remote controller ION button and 1 HR TIMER m 9 button Then press and hold the ACL reset button with a pointed cru o ES object such as the tip of a pen After 5 seconds release ACL button button first then release ION and 1 HR TIMER buttons oP 1 test run appears blinking in the remote controller clock display aSa QUIET Step 2 Next press the 1 HR TIMER button once to change the display from oP 1 to oP 3 self diagnostics The display continues to FANSPEED NIGHT SETBACK blink Step 3 Finally press the ON OFF button to engage self diagnostics mode TM a The self diagnostics function utilizes the 3 indicator lamps on the main ONS TIMER unit in combinations of ON lamps blinking lamps and OFF lamps to c lt gt report the existence of sensor trouble or a protective operation The 5 lamps blink or remain ON for 5 seconds then turn OFF for 2 seconds lt gt c Self diagnosti
59. e switch is at the S position as described above the function for automatically switching between cooling and heating does not work Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes High Power Operation If not in Auto Operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan speed setting to provide a quieter operating sound ION Operation While it is operating the unit generates negative ions that freshen up the air in the room Anti Mold Filter This unit is equipped with an anti mold filter that inhibits the growth of mold and bacteria Air Clean Filter An air filter that eliminates unpleasant odors and cleans the air is available Purchase a replacement filter at your local dealer model STK FDXB OI 048 2 EG Contents Page alc 2 M 3 Pase indere 3 installation LOCANON sn iieri t rer x eevee ec era e ets 4 Electrical Requirements
60. ean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center 22 OI 047 22 EG Anti Mold Filter How to remove the anti mold filter Cleaning How to replace the anti mold OI 047 23 EG filter NOTE Care and Cleaning continued The anti mold filter behind the air intake grille should be checked and cleaned at least once every two weeks Use a vacuum cleaner to remove light dust If there is sticky dust on the filter Grasp both ends of the air intake grille and remove it by opening towards the front and pulling towards you Remove the anti mold filter attached to the rear of the air intake grille Air intake grille wash the filter in lukewarm soapy water rinse it in clean water and dry it 1 Attach so that the round pins at the top right and left corners of the air intake With the FRONT mark of the anti mold filter at the front align the two indentions near the ma
61. ed This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed 1 C 2 F 1 30 Setting temperature L Press the NIGHT _ SETBACK button 30 min Time HEAT mode When the night setback mode is selected the air conditioner automatically lowers the temperature setting 2 C when 30 minutes have passed after the selection was made and then another 2 C after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle heating is needed Setting 2 C 4 F temperature 2 C 4 F D 30 min Press the NIGHT SETBACK button 30 min Time 7 2 Protective Functions E Overload prevention during heating During HEAT operation the temperature of the indoor heat exchanger is used to control the frequency and lessen the load on the compressor before the protective device is activated Indoor heat exchanger A Control start B Control end Approx 53 Approx 47 temperature C Indoor heat exchanger b gt Area Automatic capacity control When Point A has been exceeded the operation frequency is reduced by a certain proportion Area Frequency increase is prohibited At Point B and below overload prevention is ended and
62. edure should be used to check the motor To perform diagnosis operate the unit in cooling mode with indoor fan speed High Next make sure that the indoor unit receive the signals from the remote controller when the ON OFF operation button is pressed Important A Turn OFF the power before connecting or disconnecting the motor connectors B When performing voltage measurement at the indoor controller connector for 3 in the table below the DC motor will trip and voltage output will stop approximately 1 minute after operation is started For this reason to measure the voltage again turn OFF the unit once using the remote controller and then start the air conditioner again Trouble symptom 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect the motor connectors and measure the voltage at the DC motor connectors on the indoor unit controller 3 locations Measurement location Normal value 1 Vm Gnd Between pin 1 and pin 3 DC 230V or more 2 Vcc Gnd Between pin 4 and pin 3 DC 14V or more 3 Vs Gnd Between pin 5 and pin 3 Fluctuation between DC 1 7 to 6 1V Diagnostic results All of the above measured values are normal Fan motor trouble Replace the motor Any one of the above measured values is not normal Indoor unit controller trouble Replace the controlle
63. ee qp er op a be ku i NER RE 2 SPECIFICATIONS 2 1 Unit Specifications REEL o 2 2 Major Component Specifications 2 3 Other Component Specifications sssssseee 3 DIMENSIONAL DATA crece cete spec acr tbe Tb d trate puel Pope epu 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram bud rta ca eee uteris 5 PERFORMANCE DATA 5 1 Air Throw Distance Charts ssseeeenm emm nene rrn ner r nnns 6 ELECTRICAL DATA 6 1 Electric Wiring Diagrams 7 FUNCTIONS 7 1 Operation Functions as otn nd besote onem efie SS eir opio 7 2 Protective FU nctioris i creta Foe eee vr e e de d ea wa a 8 TROUBLESHOOTING 8 1 Precautions before Performing Inspection or Repair 8 2 Method of Self Diagnostics sessssssssseeeeeneneeeeen nnn 8 3 Checking the Indoor and Outdoor Units 8 4 Trouble Diagnosis of Fan Motor 8 5 Noise Malfunction and Electromagnetic Interference APPENDIX A INSTRUCTION MANUAL MCAF78MR5I MCAF98MRB5I MCAF128MRBI APPENDIX INSTRUCTION MANUAL MCAF188R5l MCAF248R5I
64. efrigerant tubing and drain pipes 3 How to Install the Indoor Unit 3 1 Remove the Rear Panel from the Unit 1 Remove and discard the set screw on the rear panel Fig 6 2 Press the 2 A marks on the frame cover and dis engage the stationary tabs from the frame Fig 7 3 Remove the rear panel Tubing can be extended in 5 directions as shown in Fig 8 Select the direction you need providing the shortest run to the outside unit e When left tubing is to be done switch the drain hose and drain cap For details refer to Switching drain hose and drain cap on page 14 3 2 Make a Hole 1 Place the rear panel from the indoor unit on the wall at the location selected Make sure the panel is horizontal using a carpenter s level or tape mea sure to measure down from the ceiling Wait until after cutting the hole before attaching the rear panel to the wall 2 Determine which side of the unit you should make the hole for tubing and wiring Fig 9a or 9b In the case of left rear tubing use the measurement points from the edge of the rear panel for precise placement of the hose outlet Fig 9a or 9b 3 Before making the hole check carefully that no studs or pipes are directly run behind the spot to be cut CAUTION Also aveld areas where elec trical wiring or conduits are located The above precautions are also applicable if tub ing goes through the wall in any other location
65. er This unit is equipped with an anti mold filter that inhibits the growth of mold and bacteria Air Clean Filter An air filter that eliminates unpleasant odors and cleans the air is available Purchase a replacement filter at your local dealer model STK FDXB OI 047 2 EG Contents Page alc 2 M 3 Pase indere 3 installation LOCANON sn iieri t retra eevee ec era e cts 4 Electrical Requirements usikna Ronai a entere nnne 4 Safety Instructions ione arte Pre er e ERR RR XE RR a kg 4 Names Of Parts e eres dit PE e de kx Dr Ra E dH E da 5 Using the Remote Control 10 Operation with the Remote Control Unit ssseeseeeeeee 12 1 12 2 Manual Operation 13 Adjusting the Fan 14 4 Night Setback 2 15 5 QUIET MOd wi 16 6 HIGH POWER Mode sssssssseseeeeeeeneeeennnenen ener nennen 16 plene Aven 16 Special Hemarks oe a ERR SOC RE ERU aN EE 17 Setting the TIMET 18 Using
66. eration Sometimes the indoor unit may not get to the set fan speed such as LOW and QUIET under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost Power failure during Inthe event of power failure the unit will stop When the power is operation resumed the unit will restart automatically within 5 minutes or 15 minutes at M position of the S M switch on AUTO mode by the remote control unit Clicking Sound Clicking sound is heard from In heating or cooling operation any plastic parts may expand or shrink due the air conditioner to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear Remote Control Unit The remote control unit sends the setting condition signals to the air conditioner regularly at five minute intervals OI 048 17 EG 17 Setting the Timer QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER NOTE In the descriptions below the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote control Temperature C Time AM PM 1 How to set the present Example To set to 10 30 pm time Operation Indication 1 Press the CLOCK button once if The time indication alone flashes the time indicator is not flashing 2 Press the Adv
67. et temperature When the monitoring range is entered the compressor stops and the indoor fan operates with 1 f fluctuation When AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to Cooling or Heating mode Room temp gt Set temp Room temp Set temp HEAT As shown by the example in the figure below with AUTO cooling heating operation the mode changes between Heating and Cooling mode according to changes in the relationship between the current room temperature and the set temperature Example E PAM o control Example of operation in AUTO mode with the set room temperature at 23 C n order to further improve inverter performance control is Switched between PWM control at low operation speeds and Zone A PAM control at high operation speeds making the most effective use of power Room temp Zone B Zone C Zone C Set temp Zone B Zone A Compressor Operation mode NOTE When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units 27 This function acts to raise the power but keeps the AC system in the same operating mode This function is set with the HIGH POWER button on the remote controller It can be set regardless of the temperature
68. f the S M switch on the remote control unit The OPERATION lamp lights up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer QUIET lamp This lamp lights during operation in the QUIET mode ION lamp This lamp lights during operation in ION mode while the indoor unit is operating NOTE The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode OI 048 6 EG Displayed when the time display is set to 12 hour time Remote Control Unit Display lo P Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Symbols 1 Operation mode 2 Fan speed Automatic operation 3 Temperature setting 16 30 C When set to 28 C temperature indication OI 048 7 EG M AS N 333 N 33 J f gt 9 lt J SET TEMP I UR Ie 4 24 hour clock with ON OFF program Timer 4 N ON Timer esesesse ON M 2 fo OFF Ns 2 1 hour OFF Timer a N B NIG
69. f the automatic operation settings of the unit do not meet your needs press the setting buttons as described below and change the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For cooling operation For fan only operation No FAN mode at M of the S M switch on the remote control unit BRO be abe et STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 30 C max or 86 F max 16 C min 60 F min STEP 4 Set the FAN SPEED selector button to the setting you want STEP 5 Press the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction on page 21 To stop the air conditioner press the ON OFF operation button again OI 048 13 EG 13 Operation with the Remote Control Unit continued NOTE Choose the best position in the room for the remote control unit which also acts as the sensor for room comfort and transmits the operating instructions Once you ve found this best position always keep the remote control unit there This appliance has a built in 5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minute
70. ffix the grille with the 3 previously removed screws Fig 16b 1 6 Install the air intake grille a Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Fig 19a 1 b Press the bottom right and left corners and center of the air intake grille to attach it to the indoor unit Fig 19b 1 Attach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit Fig 19b 1 Air intake grille Grille Fig 16b 1 Cover Thermistor Thermistor Win a LO BRR HAMM arr Y LOIS x LAA ARI 775 YHMMH MMMM MD EES TMT NS Fig 18b 1 Groove Pin y Fig 19a 1 3 5 Shape the Indoor Side Tubing 1 Arrangement of tubing by directions Fi a Right or left tubing Cut out the corner of the right left frame with a hacksaw or the like Figs 20 and 21 b Right rear or left rear tubing ens MA In thi
71. fins of the heat exchanger How to remove the grille gt BO 1 Grasp both ends of the air intake grille and remove it Screw cover lt i by opening towards the front and pulling towards you Fig 16b Fig 16a C 2 Remove the 2 screws Fig 16b Thermistor rae Thermistor 3 Remove the screw on the right side cover plate and open the cover Fig 17a 4 Take out the thermistor from the grille Fig 17b 5 Pull the lower part of the grille towards you to remove Fig 18a 6 Use a standard screwdriver to push on the tabs to remove the grille Grille Frame How to replace the grille 1 Reinstall the grille into the lower part while aligning its tabs on the upper part Fig 18b Insert the tabs in the slots and push the lower part of the grille back into position 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 4 Close the cover and replace the screw Fig 17a 5 Affix the grille with the 2 previously removed screws Fig 16b 6 Install the air intake grille iy a Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Fig 19a b Press t
72. free con nection Check carefully for leaks before starting the test run When Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Others Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas 1 General This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning 1 1 Tools Required for Installation not supplied 1 Standard screwdriver 5 Carpenter s level 6 Sabre saw or key hole saw 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter Tube flaring tool 2 Phillips head screwdriver 13 Torque wren
73. gram is to be canceled and then press the CANCEL button The airflow direction fan speed and temperature setting can be changed after a timer program has been set even when the unit is stopped Even when operation is stopped during an ON timer program the unit will start operating when the set time is reached provided that the program is not canceled When the ON timer and OFF timer are set to the same time the timer operates as if it is turned off NOTE OI 047 19 EG 19 1 1 Hour OFF Timer 37 wh f NOTE 2 Operation together with the DAILY ON OFF REPEAT Timer Using the 1 Hour OFF Timer This function causes the unit to operate for one hour and then stop regardless of whether the unit is on or off when this button is pressed The indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the display Cancellation procedure Press the ON OFF operation button to turn the unit off wait for the unit to stop operating and then press the ON OFF operation button again The 1 Hour Timer function is now cancelled and the unit operates normally f while the 1 Hour Timer function is operating the 1HR TIMER button is pressed once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stop
74. he bottom right and left corners of the air intake grille to attach it to the indoor unit Fig 19b Attach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit 3 4 2 Indoor unit types MCAF188 248 Basically these models can be installed and wired without removing the grille If access to any internal part is needed follow the steps as given below How to remove the grille 1 Grasp both ends of the air intake grille and remove it by opening towards the front and pulling towards you Fig 16a 1 2 Remove the 3 screws Fig 16b 1 3 Remove the screw on the right side cover plate and open the cover Fig 17a 1 4 Take out the thermistor from the grille Fig 17b 1 5 Press the 3 tabs at the top of the grille and the 3 tabs on the front face to separate the grille from the frame Fig 18a 1 6 Pull the grill towards you to remove it How to replace the grille 1 When installing the grille place the bottom of the grille into the frame first Fig 18b 1 Then insert the tabs on the top of the grille and on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 1 4 Close the cover and replace the screw Fig 17a 1 5 A
75. hickness Outer Dia Thickness MCAF78 6 35 mm 0 8 mm 9 52 mm 0 8 mm MCAF98 6 35 mm 0 8 mm 9 52 mm 0 8 mm MCAF128 6 35 mm 0 8 mm 9 52 mm 0 8 mm MCAF188 6 35 mm 0 8 mm 12 70 mm 0 8 mm MCAF248 6 35 mm 0 8 mm 15 88 mm 1 0 mm 1 5 Additional Materials Required for Installation 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See local codes 3 Putty Refrigeration lubricant 5 Clamps or saddles to secure refrigerant tubing A i Indoor unit 2 Installation Site Selection 2 1 Indoor Unit WARNING To prevent abnormal heat generation and the possibility of fire do not place obstacles enclosures and grilles in front of or surrounding the air conditioner in a way that may 2 Drain hose block air flow er AVOID Outside drainage direct sunlight Fig 1 nearby heat sources that may affect performance of the unit MY 7 e areas where leakage of flammable gas may be expected Wi WES 7 yoem Y placing or allowing any obstructions near the Air Condi min min tioner inlet or outlet Jt e installing in rooms that contain instant on rapid start fluorescent lamps These may prevent the Air Conditioner Front View from receiving signals Fig 2 places where large amounts of oil mist exist e installing in locations where there are devices that UNI Tubing
76. hwaetisation Multi Split system air conditioner COOL DRY HEAT Model This air conditioner uses the new refrigerant R410A Contents Model Combinations Page IMPORTANT Combine indoor and outdoor units only as listed Please Read Before Starting 2 below 1 GENERAL 3 Indoor Unit Outdoor Unit 7 1 1 Tools Required for Installation not supplied MCAFZOMAS GRF148MR5 B 1 2 Accessories Supplied with Unit MCAF98MRSI GRF198MRSI S 1 3 Optional Copper Tubing Kit MCAF128MRB5I GRF248MR5 1 4 of Copper Tube and Insulation Material MCAF188R5l GRF318MRS5I 1 5 Additional Materials Required for Installation MCAF248R5I 2 INSTALLATION SITE SELECTION 4 2 1 Indoor Unit Power Source 2 2 Embedding the Tubing and Wiring 50 Hz single phase 220 240 VAC 8 Us lieta ae weeny T SE 6 Combinations of indoor and outdoor units S M ee Connect indoor and outdoor units only the 3 3 Install the Rear Panel on the Wall combinations listed in the catalog or installation 3 4 Remove the Grille to Install the Indoor Unit manual 3 5 Shape the Indoor Side Tubing 3 6 Wiring Instructions 3 7 Wiring Instructions for Inter unit Connections Nc 3 8 Mounting 3 9 Drain Hose Connecting any other model may result in operation failure and system damage 4 MULTIPLE SWITCH ON THE REMOTE CONTROL UNIT INDOOR UNIT TYPES MCAF188R5I MCAF248R5I
77. ing If the unit is already operating with a very low airflow the fan sound may not change even if the QUIET button is pressed HIGH POWER mode can be used to increase the output of the indoor unit for all operation modes except automatic operation Press the HIGH POWER button The 8 mark appears in the display To cancel press HIGH POWER button again e When the HIGH POWER button is pressed the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High HIGH POWER Mode cannot be used when the operation mode is Automatic Operation QUIET Mode and HIGH POWER Mode cannot be used at the same time NOTE When set to High fan speed during heating operation the fan runs at High fan speed even though the 7 mark is displayed Depending on the operating conditions the fan speed may be increased by a small amount only The ION mode is used during operation to generate negative ions that freshen up the air in the room Press the ION button The 9 mark appears in the display To cancel press ION button again The indoor unit s ION lamp lights up while negative ions are being generated ION on is the remote control unit s initial setting The negative ions are generated from the negative ion generator OI 048 16 EG Special Remarks DRY Operation How it works Once the room temperature rea
78. ion button on the remote controller Fig 64 Check that the beep signal received sound is heard from the second indoor unit approximately 5 times The sound you hear is the signal that the remote controller address has been changed 7 Finally press the remote controller ACL reset button to cancel the blinking oP 7 display Fig 64 Changing of the second remote controller address is now completed 18 joy ONV OFFO ION G3T ON OFF button SA operation BOK button TEMP 1 HR TIMER button ADDRESS QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER TIMER dq De ACL Reset button Fig 64 8 Connecting a Home Automation device The HA white 4P terminal is located on the indoor unit PCB If a HA device will be used connect it to this terminal Also refer to Section 9 ELECTRIC WIRING DIAGRAM in the outdoor unit installation manual 9 Installation Check Sheet The strength of the installation location is sufficient to support the Air Conditioner weight The indoor and outdoor units are installed level and vertically The power and voltage are as specified Inter unit cables are securely inserted into the terminal block Inter unit cables are securely fixed The power cord and inter unit cables are not connected anywhere along their paths The ground wire is securely connected Thermal insulation has been applied to the t
79. ion will now be normal again Do not have the flap pointed down during cooling operation Condensation may begin to form around the air vent and drip down OI 047 21 EG 21 INDOOR UNIT TIMER QUIET OPERATION Jj OPERATION button OPERATION NOTE Operation without the Remote Control Unit If you have lost the remote control unit or it has trouble follow the steps below When the air conditioner is not running Each time the OPERATION button is pressed the type of operation conducted is indicated by the changing color of the OPERATION lamp Press the button and select the lamp color that suits your preference for operation Cooling operation Heating operation p Stop green red lamp off 1 The temperature is set to the room temperature minus 2 C during the cooling operation and to the room temperature plus 2 C during the heating operation and the fan speed and flap are set to Auto Care and Cleaning Amm For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard N Casing and Grille Indoor Unit Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a cl
80. it is covered More than 8 m away from the air conditioner Inthe path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic noise Where there is an obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 5 minutes Mounting the Remote Control Before mounting the remote control unit press the ON OFF operation button Unit at the mounting location to make sure that the air conditioner operates from that location The indoor unit should make a beeping sound to indicate that it has received the signal Remote control unit mount Mounting screws d e To prevent loss of the remote control 4 x 16 included unit you can connect the remote control unit to the mount by passing a string through the remote control unit and attachment hole To take out the remote control unit pull it forward When Holding the Remote When using the remote control unit and during air conditioner operation Control Unit the transmitter on the remote control unit should be pointed toward the receiver on the indoor unit Make sure that there are no objects between the remote control unit and receiver which could block the signal OI 047 11 EG 11 Operation with the Remote Control Unit 1 Automatic Operation The air conditioner calculates the difference between the thermostat setting and
81. itioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Electrical Requirements 1 2 3 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details Each unit must be properly grounded with a ground or earth wire or through the supply wiring Wiring must be done by a qualified electrician NEES Safety Instructions Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous This air conditioner has no ventilator for intaking fresh air from outdoors You must open doors or windows frequently when you use gas or oil heating appliances in the same room which consume a lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case Do not tur
82. length L1 generate high frequency emissions m 2 Elevation L2 difference H1 OUTDOOR H2 select an appropriate position from which every corner of UNIT E ES the room can be uniformly cooled High on a wall is best J E H4 INDOOR INDOOR H3 e select a location that will hold the weight of the unit UNIT 4 L4 UNIT 3 e select a location where tubing and drain hose have the Fig 3a shortest run to the outside Fig 1 allow room for operation and maintenance as well as CAUTION unrestricted air flow around the unit Fig 2 TE it J install the unit within the maximum elevation difference For stable operation of the air Wall H1 2 H4 above or below the outdoor unit conditioner do not install a within a total tubing length L1 L2 L1 L2 L3 type indoor e L1 L2 L3 L4 from the outdoor unit as detailed Table3 nits less than 1 5 m from Minimum height and Fig 3a floor level from floor level 1 5m Floor level Fig 3b Install the indoor unit more than 1 meter away from any antenna or power lines or connecting wires used for television radio telephone security system or intercom Electrical noise from any of these sources may affect operation install in a sturdy manner to avoid increased operat ing noise Table 3 Max Allowable Max Allowable Total Limit of Limit of Elevation Required Amount Tubing Length Tubing Length Total
83. lowing settings are used for the temperature and time indicator selector button on the bottom front section of the remote control Temperature C Time AM PM 1 How to set the present Example To set to 10 30 pm time Operation Indication 1 Press the CLOCK button once if The time indication alone flashes the time indicator is not flashing 2 Press the Advance Return The time can be set in 1 minute button until PM 10 30 is increments Holding down the displayed button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes the setting of the current time 2 How to set the OFF time Example To stop the air conditioner at 11 00 am il n nn 1 Press the OFF TIME setting The timer indication is L LOL button once displayed and the present OFF xu time is shown a np 2 Press the Advance Return a The timer indication blinks p v button until AM 11 00 is The time can be set in 10 minute d displayed increments Holding down the button advances the time rapidly in 41 10 minute increments L Ke 3 Wait a few seconds and then The timer indication stops d Lan the setting is complete blinking and the present time is ess displayed 18 OI 047 18 EG Setting the Timer continued 3 How to set the ON time Example To start
84. mfort This function is convenient when gentle heating is needed Setting r temperature 2 ASF 2 4 gt Press the NIGHT 30 min 30 min SETBACK button 15 5 QUIET Mode L PM 0 00 0 AIO QUIET FAN SPEED NIGHT SETBACK FLAP HIGH POWER z 7 ION Mode 16 Operation with the Remote Control Unit continued QUIET Mode is used to reduce the fan sound of the indoor unit Press the QUIET button The 9 mark appears in the display To cancel press QUIET button again n QUIET Mode the fan rotates at a slower speed than the fan speed setting If the unit is already operating with a very low airflow the fan sound may not change even if the QUIET button is pressed HIGH POWER mode can be used to increase the output of the indoor unit for all operation modes except automatic operation Press the HIGH POWER button The 8 mark appears in the display To cancel press HIGH POWER button again When the HIGH POWER button is pressed the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High HIGH POWER Mode cannot be used when the operation mode is Automatic Operation QUIET Mode and HIGH POWER Mode cannot be used at the same time NOTE When set to High fan speed during heating operation the fan runs at High fan speed
85. n strip the insulation to expose the wire about 7 mm See the label Fig 28 near the terminal plate 2 Using a screwdriver loosen the terminal screw on the terminal plate 3 Insert the wire and tighten the terminal screw completely using a screwdriver b For Outdoor Unit E For solid core wiring or F cable 1 Cut the wire end with a cutting pliers then strip the insulation to expose the solid wire about 25 mm Fig 29 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using the pliers bend the solid wire to form a loop suitable for the terminal screw 4 Shape the loop wire properly place it on the ter minal plate and fix it securely with the removed terminal screw using a screwdriver Bi For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 10 mm and tightly twist the wire ends Figs 30 and 31 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring connec tor Fig 30 4 Place the ring connector wire and replace and tighten the removed terminal screw using a screw driver Fig 32 12 7 mm ACTUAL SIZE STRIP SIZE Fig 28 Solid wire O Loop N y Strip 25 mm Insulation Fig 29 Stranded wire N O Ring
86. n the air conditioner on and off from the power mains switch Use the ON OFF operation button Do not stick anything into the air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present OI 048 4 EG Names of Parts Air intakes INDOOR UNIT Air outlet Remote control unit MM Drain hose c ce gt Refrigerant tubes OUTDOOR UNIT Air outlet IH D ud This illustration is based on the external view of a standard model Consequently the shape may differ from that of the air conditioner which you have selected NOTE This air conditioner consists of an indoor unit and an outdoor unit You can control the air conditioner with the remote control unit Air Intake Air from the room is drawn into this section and passes through air filters which remove dust Air Outlet Conditioned air is blown out of the air conditioner through the air outlet Remote Control Unit The wireless remote control unit controls power ON OFF operation mode selection temperature fan speed timer setting and air sweeping Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condense
87. n water then let it dry on the towel in room temperature Do not bend nor give excessive force onto the air clean filter If the filter surface is heavily blocked with dirt or damaged replace it with new one Purchase a replacement filter at your local dealer model STK FDXB e Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 40 C wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water Refer to How to remove the anti mold filter and How to replace the anti mold filter on page 23 When using a footstool or the like be careful not to let it tip over e Clean the grille gently using a soft sponge or the like Then wipe away any remaining moisture e Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture Follow the steps below when the generator has become dirty For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Remove the dust on the negative ion generator e Use a toothbrush etc to dust off the end e Usea cotton swab etc to clean around Negative ion generator the generator inside the plastic case metal electrodes inside plastic case taking care not to touch the electrodes e During use the negative ion generator and other metal parts may become di
88. nect the power before cleaning Remove the dust on the negative ion generator e Use a toothbrush etc to dust off the end Negative ion generator Use a cotton swab etc to clean around metal electrodes inside plastic case the generator inside the plastic case taking care not to touch the electrodes During use the negative ion generator and other metal parts may become discolored this is normal and not indicative of malfunctioning e If the dirt on and around the negative ion generator is left to build up a puffing or sputtering sound will eventually be heard In this case clean the generator immediately Do not apply excessive force while performing maintenance OI 047 24 EG Troubleshooting If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 2 Leakage circuit breaker tripped 3 Line voltage is too low 4 Batteries in remote control unit have run down 1 Restore power 2 Contact service center 3 Consult your electrician or dealer 4 Replace batteries OPERATION lamp blinks and air conditioner does not operate Trouble in system Contact service center Compressor runs but soon stops Obstruction in front of condenser
89. ns Refrigerant Narrow tube in Tube Diameter Wide tube in Refrigerant Tube Kit Accessories Dimensions amp Weight Unit Dimensions 2 3 189 Package Dimensions Height Weight Net Shipping Shipping Volume DATA SUBJECT TO CHANGE WITHOUT NOTICE 85 25 55 50 Indoor Unit MCAF98MR5I Type Wall Mounted Type Indoor Unit Power Source 220 to 240V Single Phase 50Hz Voltage Rating 230V BTU h 9 000 12 300 Kir Circulation High mn Moisture Removal High Wen 16 Available Voltage Range Running Amperes Power Input Controls Temperature Control Control Unit Timer Fan Speeds Indoor Airflow Direction Indoor Horizontal Vertical Air Filter Refrigerant Operation Sound Indoor Hi Me Lo Qt dB A 34 31 28 23 34 31 28 23 Qt Quiet mode Refrigerant Tubing Connections Refrigerant Narrow tube in Tube Diameter Wide tube in Refrigerant Tube Kit Accessories Dimensions amp Weight Unit Dimensions 2 3 189 Package Dimensions Height Shipping Shipping Volume DATA SUBJECT TO CHANGE WITHOUT NOTICE Weight Net 85 25 55 50 Indoor Unit MCAF128MR5I Type Wall Mounted Type Indoor Unit Power Source 220 to 240V Single Phase 50Hz Voltage Rating 230V Capacity kW 3 5 4 2 BTU h 11 900 14 300 0 Air Circulation High m h 5 Moisture Removal High Ltersh 20 ef Available Voltage Range Running Amperes Power Input Controls Temperature Cont
90. nter s level or tape mea sure that the panel is level This is important to install the unit properly Fig 14 T Make sure the panel is flush against the wall Any space between the wall and unit will cause noise and vibration b If Block Brick Concrete or Similar Type Wall Make 4 8 mm dia holes in the wall Insert rawl plugs for appropriate mounting screws Fig 15 o 4 8 mm dia hole Rawl plug Locally purchased Hole should be made at a slight downward slant to the outdoor side Indoor Outdoor side PVC pipe Locally purchased 1 Ld 1 I Cut at slight angle Fig 11 INSIDE OUTSIDE Wall Plastic cover PVC pipe Locally purchased 2 L Slight angle Fig 12 MCAF78 98 128 o o o 0 o o o o o0 o o 5 y a o ef o 0 0 d ar NI co 1 l Fig 13a MCAF188 248 Fig 14 3 4 Remove the Grille to Install the Indoor Unit Air intake grille Grille 3 4 1 Indoor unit types MCAF78 98 1 28 Basically these models can be installed and wired without removing the grille If access to any internal part is needed follow the steps as given below Be sure to wear work gloves Nc during installation to avoid being cut by the sharp aluminum
91. ntion activated Electric expansion valve failure 2 Capillaries choked 3 Shortage of refrigerant Continuous overload operation 5 Outdoor fan does not rotate 6 Outdoor PCboard failure Indoor fan operating failure 4 way valve switching failure Indoor zero cross failure Fan motor failure 2 Contact failure at connector 3 Indoor PCboard failure 4 way valve failure heat pump model only Outdoor PCboard failure No refrigerant protection Service valve not opened 2 Shortage of refrigerant DC compressor drive circuit failure Open phase 2 Outdoor PCboard failure Outdoor fan operating failure Fan motor failure 2 Contact failure at connector 3 Outdoor PCboard failure Outdoor system communications failure OLR operation Outdoor power supply open phase Outdoor coil freezing Mis wiring 2 Blown fuse 3 Power Relay failure 4 Outdoor PCboard failure Compressor failure See detailed flowchart in this section X X i9 e Li Li ii 1k 4 Li T SE ae DE ee YO EX OX D CE Fat Oe ip CENE EXE X Freeze prevention operation activated 31 Indoor fan system failure 2 Shortage of refrigerant 3 Low temperature operation 2 If the self diagnostics function fails to operate No indicators illuminate and the Check the indoor unit indoor fan does not rotate Check the power voltage Blown Is the fuse blown Replace the con
92. ny time within a 24 hour period 1 Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour Night Setback This function saves energy by controlling operation to provide a quieter operating sound than normal Automatic and 3 step Fan Speed Auto High Medium Low Air Sweep Control This function moves a flap up and down in the air outlet directing air in a sweeping motion around the room and providing comfort in every corner Auto Flap Control This automatically sets the flap to the optimum position during heating cooling and drying operation IMPORTANT Single use means that only one indoor unit is connected with one outdoor unit in a one unit to one unit configuration and that the remote control s S M switch is at the S Single position Multiple use means that two or more indoor units are connected with one outdoor unit in a multiple unit to one unit configuration and that the remote control s S M switch is at the M Multiple position Refer to Using the Remote Control Unit on page 10 Automatic Switching between Cooling and Heating When the remote control s S M switch is at the S Single position This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting When the remote control s S M switch is at the Multiple position Unlike when th
93. o this section and passes through air filters which remove dust Air Outlet Conditioned air is blown out of the air conditioner through the air outlet Remote Control Unit The wireless remote control unit controls power ON OFF operation mode selection temperature fan speed timer setting and air sweeping Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components OI 047 5 EG A IMPORTANT Avoid using radio equipment such as mobile phone near within 1 m the remote control receiver Some radio equipment may cause malfunction of the unit If the trouble happens disconnect power and restart the air conditioner after a few minutes Unit Display and Operation Button INDOOR UNIT OPERATION OPERATION lamp TIMER TIMER lamp QUIET HH QUIET lamp ION lamp OPERATION REMOTE CONTROL receiver OPERATION button REMOTE CONTROL receiver This section picks up infrared signals from the remote control unit transmitter OPERATION button When the remote control cannot be used pressing this button enables heating and cooling operation
94. on In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run When Servicing Turn the power off at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Others Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas Table of Contents B APPLICABLE MULTI OUTDOOR UNITS mH 1 OPERATING RANGE eerie oo e
95. operating sound MODE selector button AUTO HEAT DRY COOL NOTE Use this button to select AUTO HEAT DRY or COOL mode The air conditioner calculates the difference between the thermostat setting and room temperature and automatically selects COOL or HEAT mode as appropriate i amp The air conditioner makes the room warmer The air conditioner reduces the humidity in the room The air conditioner makes the room cooler When multiple indoor units are used and units in other rooms are already operating they will be set to the same mode of operation as the operating indoor units FAN SPEED selector button 988 The air conditioner automatically decides the fan speeds High fan speed Medium fan speed see Low fan speed NIGHT SETBACK button For details see 4 Night Setback Mode When you press this button in the HEAT DRY or COOL mode the mark appears in the display and the remote control unit will automatically adjust the set temperature to save energy FLAP button NOTE Press this button either to select the setting of the airflow direction to the auto flap in each mode or one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically 7 Auto flap setting If selected in a heating operation the flap is set to position 3 in the following chart If selected
96. operation at 7 10 am pr a n Operation Indication yo 1 Press the ON TIME setting The timer indication is button once displayed and the present ON time is shown 2 Press the Advance Return 4 The timer indication blinks button until AM 7 10 is The time can be set in 10 minute displayed increments Holding down the button advances the time rapidly in 10 minute increments i 3 Wait a few seconds and then The timer indication stops amp es the setting is complete blinking and the present time is displayed 4 How to set DAILY ON OFF Example To start operation at 7 10 am and stop the air conditioner at 11 00 REPEAT timer am 10 30 pm 7 10 am 11 00 am Present time ON OFF 1 Set the timer ON OFF times as The present time 10 30 pm and shown in 2 1 2 3 and 3 1 2 3 are displayed L ONS GY OFF 11 171 NOTE The ON OFF combination timer uses the current time as L6 ZOLL amp the reference and it is activated starting from whichever set time comes first With the ON OFF combination timer the settings are repeated every day e You can check the timer ON OFF times after you have set them by pressing the ON TIME and OFF TIME setting buttons To cancel a timer program Press the CANCEL button When either an ON or OFF timer is to be canceled press the button corresponding to the timer whose pro
97. peration Functions Emergency operation Emergency operation is available when the remote controller malfunctions has been lost or otherwise cannot be used To operate the system press the OPERATION button which is also used as the receiver below the unit display Each time this button is pressed the OPERATION lamp changes color to indicate the type of operation Select the desired type of operation il SENSOR DRY During DRY operation the system adjusts the room temperature and fan speed according to the conditions in the room in order to maintain a comfortable room environment SENSOR DRY operation DRY operation is as shown in the figure below Load COOL gt HEAT p STOP COOL zone GREEN RED Lamp Off T The set temperature is 2 C below the detected room temperature in the case of cooling operation and 2 C above the room temperature in the case of heating operation The flap and fan speed settings are AUTO E AUTO cooling heating operation Selecting the operation mode A zone B zone Conditions are monitored at all times when the room temperature is below 15 C DRY A The compressor operation frequency varies The indoor fan operates with 1 f fluctuation The compressor operates at a low operating frequency The indoor fan operates with 1 f fluctuation Monitoring operation takes place when the room temperature is below 15 C or more than 3 C below the s
98. r Reference DC motor connector pin arrangement Pin 1 Vm red Pin 2 Not used Pin 3 Gnd black Pin 4 Vcc white Pin 5 Vs yellow Pin 6 PG blue Trouble symptom 3 Motor rotates for some time several seconds but then quickly stops when the indoor unit operates There is trouble in the system that provides feedback of motor rotation speed from the motor to the indoor unit controller Trouble symptom 4 Fan motor rotation speed does not change during indoor unit operation Trouble symptom 5 Fan motor rotation speed varies excessively during indoor unit operation Remedy for symptom 3 to 5 It is not possible to identify whether the trouble is indoor unit controller trouble or motor trouble Therefore first replace the indoor unit controller then if necessary replace the DC motor 33 8 5 Noise Malfunction and Electromagnetic Interference An inverter A C operates using pulse signal control and high frequencies Therefore it is susceptible to the effects of external noise and is likely to cause electromagnetic interference with nearby wireless devices A noise filter is installed for ordinary use preventing these problems However depending on the installation conditions these effects may still occur Please pay attention to the points listed below 1 Noise malfunction This refers to the application of high frequency noise to the signal wires resulting in abnormal signal pulses and malfunction Locations
99. r outdoor PCboard failure TK x x S04 Compressor temperature sensor failure S05 Outdoor heat exchanger sensor failure Outdoor air temperature sensor failure Outdoor electrical current detection failure 1 Sensor open circuit or short circuit 2 Contact failure at connector or open circuit at terminal crimping location 3 Outdoor PCboard failure Outdoor PCboard failure LE Let X Indoor outdoor communications failure serial communications 1 Mis wiring 2 AC power failure 3 Blown fuse 4 Power Relay failure 5 Indoor or outdoor PCboard failure 6 Outdoor Fan Motor failure 7 Reactor failure 8 High Pressure Switch failure 9 Overload Relay failure 10 Magnetic Coil failure See detailed flowchart in this section HIC circuit failure Power Tr transistor circuit failure HIC or power Tr failure 2 Outdoor fan does not turn 3 Instantaneous power outage Service valve not opened 5 Outdoor fan blocked 6 Continuous overload operation Compressor failure 8 Outdoor PCboard failure Outdoor unit external ROM OTP data failure External ROM data failure 2 Outdoor PCboard failure Peak current cut off Instantaneous power outage 2 HIC or power transistor failure Outdoor PCboard failure PAM circuit failure Active circuit failure Outdoor PCboard failure 2 Outdoor power supply voltage failure Compressor discharge overheat preve
100. ress Setting of the Remote Control Unit The address can be set in order to prevent interfer ence between remote controllers when two indoor units are installed near each other The address is nor mally set to A To set a different address it is neces sary to change the address on the second remote controller Once changed you cannot restore the original address setting of the air conditioner 1 Switch on the power source 2 Break the address setting tab marked A on the second remote controller to change the address Fig 62 When the tab is removed the address is automatically set to B Fig 63 3 Press and hold the remote controller ION button and 1 HR TIMER button At the same time press the ACL reset button Use a thin object such as the tip of a pen to press the ACL button When this has been done oP 1 test run appears blinking in the remote controller clock display area 4 Each time the 1 HR TIMER button is pressed the display changes as shown below Press this but ton 2 times to change the display to oP 7 address setting Fig 64 Li pad 4 4 mode ____ AIR CONDITIONER ___ E E Il g af Selfdiagnostic mode E D wo 1 Address setting mode oP 7 has now been selected for address setting O Press the ON OFF operat
101. ressor and fan motor turn ON TEST MV Compresses time to 1 60th accelerates operation by 60 times faster than normal 3 Checking the serial communications Control 1 Control 2 XC OFF J Blinking 3 Illuminated Short circuit terminals 2 and 3 on Short circuit terminals 2 and 3 Initial self diagnostics 9 the indoor unit terminal plate the outdoor unit terminal plate i i Probable location of malfunction Quiet Timer Operation Quiet Timer Operation Quiet Timer Operation 3 2 1 3 2 Indoor unit circuit board failure Outdoor unit circuit board failure Failure open circuit contact failure etc in the inter unit wirings Outdoor unit circuit board failure Turn the power OFF before performing short circuiting procedures Refer to the previous pages when performing system self diagnostics So that the check can be made quickly indicators blink at first communication after power ON Before performing the above checks perform TEST run operation and check that the rated voltage is output to terminals 1 and 2 on the outdoor unit If it is not output there is a failure related to the indoor unit power 32 8 4 Trouble Diagnosis of Fan Motor 8 4 1 Indoor Fan Motor e This indoor DC fan motor contains an internal control PCB Therefore it is not possible to measure the coil resistance and the following proc
102. rk with the hooks at the rear of the air intake grille and then mount the anti mold filter Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Press in the bottom right and left corners of the air intake grille to attach the indoor unit Anti mold filter Groove Pin Air intake grille grille are inserted into the grooves at the top right and left of the indoor unit 23 Air Clean Filter How to install the air clean filter How to clean the air clean filter NOTE Cleaning the main unit and remote control unit Removing and remounting the air intake grille Washing the grille with water 24 Cleaning the negative ion generator ANE NOTE Care and Cleaning continued The air clean filter removes dust and dirt from the air and reduces odors and smoke from tobacco This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room You must open doors or windows frequently when you use gas or oil heating appliances Otherwise there is a risk of suffocation in extreme cases The air clean filter needs to be installed behind the air intake grille 1 Remove the air intake grille 2 Install the air clean filter in the position shown in the figure 3 Remount the air intake grille
103. rol Control Unit Timer Fan Speeds Indoor Airflow Direction Indoor Horizontal Vertical Air Filter Refrigerant Operation Sound Indoor Hi Me Lo Qt dB A 36 33 29 25 34 31 29 25 Qt 2 Quiet mode Refrigerant Tubing Connections Refrigerant Narrow tube in Tube Diameter Wide tube in Refrigerant Tube Kit Accessories Dimensions amp Weight Unit Dimensions 2 3 189 Package Dimensions Height Shipping Shipping Volume DATA SUBJECT TO CHANGE WITHOUT NOTICE Weight Net 85 25 55 50 Indoor Unit MCAF188R5I Type Wall Mounted Type Indoor Unit Power Source 220 to 240V Single Phase 50Hz Voltage Rating 230V BTU h 17 600 20 500 Kir Circulation High mn Moisture Removal High Wen 28 Available Voltage Range Running Amperes Power Input Controls Temperature Control Control Unit Timer Fan Speeds Indoor Airflow Direction Indoor Horizontal Vertical Air Filter Refrigerant Operation Sound Indoor Hi Me Lo Qt dB A 41 38 34 28 40 37 34 28 Qt Quiet mode Refrigerant Tubing Connections Refrigerant Narrow tube mm in Tube Diameter Wide tube mm n Refrigerant Tube Kit Accessories Dimensions amp Weight Unit Dimensions 2 3 1 065 Package Dimensions Height 1 140 weigh Net Shipping Shipping Volume DATA SUBJECT TO CHANGE WITHOUT NOTICE 98 89 79 Indoor Unit MCAF248R5I Type Wall Mounted Type Indoor Unit Power Source 2
104. room temperature and automatically selects COOL or HEAT mode as appropriate amp STEP 2 MODE STEP 1 FAN SPEED NIGHT SETBACK FLAP HIGH POWER NOTE Check that the circuit breaker on the power panel is turned on Once mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector button to STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again NOTE To change the temperature setting press the temperature setting buttons and change the setting to the desired temperature 12 OI 047 12 EG Operation with the Remote Control Unit continued 2 Manual Operation ME EAN OA STEP 1 STEP 4 FLAP HIGH POWER STEP 5 NOTE Check that the circuit breaker on the power panel is turned on If the automatic operation settings of the unit do not meet your needs press the setting buttons as described below and change the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation gt A For dehumidifying operation gt For cooling operation gt E STEP 2 To start the air conditioner press the ON
105. s e tis not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER button is pressed while the TIMER OFF function operates the OFF Timer is cancelled and the unit will stop operating one hour later The 1 Hour OFF Timer setting is given priority over the DAILY ON OFF REPEAT setting 20 Do not Do Tips for Energy Saving e Block the air intake and outlet of the unit If they are obstructed the unit will not work well and may be damaged e Let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room e Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed OI 047 20 EG Adjusting the Airflow Direction 1 Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right vanes are positioned all of the way to the right or left condensation When the humidity is high the vertical vanes should be in the front N CAUTION position during the cooling or dehumidifying operation If the vertical may begin to form around the air vent and drip down 2 Vertical The vertical airflow c
106. s In the event of power failure the unit will stop 3 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the 99 position This automatically sets the best fan speed for the room temperature B Manual fan speed If you want to adjust fan speed manually during operation just set the FAN SPEED selector button as desired 63 or 4 Fan Only STEP 2 QUIET MODE STEP 1 FANSPEED NIGHT SETBACK STEP 3 FLAP HIGH POWER If you want to circulate air without any temperature control follow these steps STEP 1 Press the MODE selector button to switch to the fan mode 9g STEP 2 Press the ON OFF operation button STEP 3 Press the FAN SPEED selector button to select the fan speed of your choice 3 or NOTE There is no FAN only function at M of the S M switch on the remote control unit 14 OI 048 14 EG 5 Night Setback Mode QUIET MODE FAN SPEED NIGHT SETBACK FLAP HIGH POWER A In Cooling and DRY Mode and B In Heating Mode X OI 048 15 EG Operation with the Remote Control Unit continued Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while operation The mark appears in the display To release the night setback function press the NIGHT SETBACK button again When the night setback mode is selected the air conditioner automatically raises the
107. s and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components OI 048 5 EG 5 A IMPORTANT Avoid using radio equipment such as mobile phone near within 1 m the remote control receiver Some radio equipment may cause malfunction of the unit If the trouble happens disconnect power and restart the air conditioner after a few minutes Unit Display and Operation Button INDOOR UNIT OPERATION H OPERATION lamp TIMER TIMER lamp ME QUIET QUIET lamp ION lamp OPERATION REMOTE CONTROL receiver OPERATION button REMOTE CONTROL receiver This section picks up infrared signals from the remote control unit transmitter OPERATION button When the remote control cannot be used pressing this button enables heating and cooling operation Each time this button is pressed the type of operation conducted is indicated by the changing color of the OPERATION lamp Press the button and select the lamp color that suits your preference for operation Cooling operation Heating operation Stop green red lamp off 1 This lamp lights when the system is the continuous AUTO red green HEAT red DRY orange COOL green and FAN green mode but no FAN mode at M o
108. s case the corner of the frame need not be cut 2 To mount the indoor unit on the rear panel Fig 20 Hang the 2 mounting slots of the unit on the upper tabs of the rear panel Fig 22 Frame 3 6 Wiring Instructions LA General precautions on wiring 1 Before wiring confirm the rated voltage of the unit Right tubing as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and cir Fig 21 cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazard due to insulation fail ure the unit must be grounded 4 Each wiring connection must be done tightly and in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant tubing Fig 22 compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 10 3 7 Wiring Instructions for Inter unit Connections 1 Grasp both ends of the air intake grille and remove it by opening towards the front and pulling towards you 2 Remove the screw on the right side cover plate and open the co
109. safe practice which can result in personal injury or prod uct or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard Install a protective leakage breaker depending on the installation location especially a damp or humid loca tion If a leakage breaker is not installed electric shock can occur When Transporting Be careful when picking up and moving the indoor and out
110. scolored this is normal and not indicative of malfunctioning e If the dirt on and around the negative ion generator is left to build up a puffing or sputtering sound will eventually be heard In this case clean the generator immediately Do not apply excessive force while performing maintenance OI 048 24 EG Troubleshooting If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or service center Trouble Possible Cause Remedy Air conditioner does not run at all 1 Power failure 2 Leakage circuit breaker tripped 3 Line voltage is too low 4 Batteries in remote control unit have run down 1 Restore power 2 Contact service center 3 Consult your electrician or dealer 4 Replace batteries OPERATION lamp blinks and air conditioner does not operate Trouble in system Contact service center Compressor runs but soon stops Obstruction in front of condenser coil Remove obstruction Poor cooling or heating performance 1 Dirty or clogged air filter 2 Heat source or many people in room 3 Doors and or windows are open 4 Obstacle near air intake or air discharge port 5 Thermostat is set too high for cooling or too low for heating 6 Outdoor temperature is too low for heating 1 Clean air filter to improve airflow 2 Eliminate heat
111. se this only for its intended purpose as described in this Instruction Manual Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous This air conditioner has no ventilator for intaking fresh air from outdoors You must open doors or windows frequently when you use gas or oil heating appliances in the same room which consume a lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case Do not turn the air conditioner on and off from the power mains switch Use the ON OFF operation button Do not stick anything into the air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present OI 047 4 EG Names of Parts Air intakes INDOOR UNIT Remote control unit Air outlet Drain hose Refrigerant tubes gt OUTDOOR UNIT Air outlet IH D NOTE This illustration is based on the external view of a standard model Consequently the shape may differ from that of the air conditioner which you have selected This air conditioner consists of an indoor unit and an outdoor unit You can control the air conditioner with the remote control unit Air Intake Air from the room is drawn int
112. source if possible 3 Shut them to keep the heat or cold out 4 Remove it to ensure good airflow 5 Set the temperature lower or higher 6 Consult your dealer or try to use another heat appliance Clicking sound is heard from the air conditioner In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear OPERATION lamp lights but outdoor unit will not run The use of cellular phones near the air conditioner may cause disturbance to its normal operation 1 Turn off the power then restart the air conditioner after a while 2 Consult your dealer Operating Range The air conditioner is operable within the temperature ranges as listed below Temperature Indoor air temperature Outdoor air temperature COOLING Max 32 C DB 23 C WB 43 C DB Min 19 C DB 14 WB For Single use 15 C DB For Multiple use 19 C DB HEATING Max 27 C DB 24 DB 18 C WB Min 16 C DB DB 15 C WB 01 048 25 EG 25 APPENDIX INSTALLATION INSTRUCTIONS MCAF78MRB5I MCAF98MRB5I MCAF128MR5I MCAF188R5l MCAF248R5I 1I 852 6 4190 445 00 0 A 3 For Indoor Unit l We Tochnibo NSTALLATION INSTRUCTIONS Ar P Wek
113. speed is forcibly changed to LL beginning 30 seconds after the thermostat turns OFF At stability of operation refers to operation when the room temperature has approached the set temperature When HEAT operation starts the indoor fan is stopped until the temperature of the indoor heat exchanger reaches 20 C or higher or until the room temperature reaches 15 C or higher 8 TROUBLESHOOTING 8 1 Precautions before Performing Inspection or Repair After checking the self diagnostics monitor turn the power OFF before starting inspection or repair High capacity electrolytic capacitors are used inside the outdoor unit controller inverter They retain an electrical charge charging voltage DC 310V even after the power is turned OFF and some time is required for the charge to dissipate Be careful not to touch any electrified parts before the controller LED red turns OFF If the outdoor controller is normal approximately 30 seconds will be required for the charge to dissipate However allow at least 5 minutes for the charge to dissipate if there is thought to be any trouble with the outdoor controller 8 2 Method of Self Diagnostics lt Clock display gt Follow the procedure below to perform detailed trouble diagnostics 1 Testrun mode p x Self diagnostics mode 1 If the operation lamp blinks every 0 5 seconds immediately when the power is turned ON there is an external ROM OTP data failure on th
114. taching the drain hose check that it is attached securely Figs 40b and 40c Drain cap Use a Phillips screwdriver to push the drain cap in firmly If it is difficult to push in wet the cap with water first Install the indoor unit on the rear panel Connect the tubing and wiring led inside from out doors After completing a leak test bundle the tubing together with armoring tape and store it inside the tubing storage area at the back of the indoor unit and hold it with clamps Fig 41 Hole in wall Y oa Rear panel VI z id Bent part Wide tube Narrow tube Fig 38 Q Insulation Drain bracket Drain hose Fig 40c 14 Drain hose 27 Fig 40a Screw hole Drain pan outlet Drain bracket Drain hose Screw Fig 40b Refrigerant tubing Inter unit wiring To unmount indoor unit Press the 2 A marks on the lower part of the indoor unit and unlatch the tabs Then lift the indoor unit and unmount Fig 42 3 9 Drain Hose a The drain hose should be slanted downward to the outdoors Fig 43 b Never form a trap in the course of the hose hose with insulation so that chilled condensation C Ifthe drain hose will run in the room insulate the 1 will not damage furniture or floors
115. tenna to a high sensitivity antenna Change the antenna cable to a BS coaxial cable Use a noise filter for the wireless device Use a signal booster APPENDIX A INSTRUCTION MANUAL MCAF78MR5I MCAF98MR5I MCAF128MR5I OI 852 6 4181 047 00 0 A 1 e UY 3 Technibecl AP el OPERATING INSTRUCTIONS NSTRUCCIONES DE USO NOTICE D UTILISATION BEDIENUNGSANLEITUNG ISTRUZIONI D USO This air conditioner uses the new refrigerant R410A MCAF78MRB5I MCAF98MRB5I MCAF128MRB5I Save These Instructions Guard is estas instrucciones Conserver ce notice d utilisation Bewahren Sie bitte diese Bedienungsanleitung auf Conservate queste istruzioni Split air conditioner system Acondicionador de aire de consola partida sistema split Climatiseurs split Sp it klimager t Condizionatore d aria split system Pub OI 8526418104 7000 12 2007 Features This air conditioner is an inverter type unit that automatically adjusts capability as appropriate Details on these functions are provided below refer to these descriptions when using the air conditioner Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation easy logically displayed for easy use Simple One touch Wireless Remote Control The remote control unit has several features to facilitate automa
116. the 1 Hour OFF Timer nennen 20 Tips for Energy Saving iere stent mper tee hence p eee ee aeiaai tae 20 Adjusting the Airflow Direction essseeseeeennm n 21 Operation without the Remote Control Unit sssseeeeeeeee 22 Care and Cleaning de a Ede Re Bra pci ded 22 25 Operating Range iine 25 Product Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate on the bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number DECLARATION OF CONFORMITY This product is marked C as it satisfies EEC Directive No 89 336 EEC 73 23 EEC 93 68 EEC and 92 31 EEC This declaration will become void in case of mis usage and or from non observance though partial of Manufacturer s installation and or operating instructions OI 047 3 EG Alert Symbols The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance This symbol refers to a hazard or unsafe WARNING practice which can result in severe personal injury or death This symbol refers to a h
117. tic operation 24 Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at any time within a 24 hour period 1 Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour Night Setback This function saves energy by controlling operation to provide a quieter operating sound than normal Automatic and 3 step Fan Speed Auto High Medium Low Air Sweep Control This function moves a flap up and down in the air outlet directing air in a sweeping motion around the room and providing comfort in every corner Auto Flap Control This automatically sets the flap to the optimum position during heating cooling and drying operation Hot Start Heating System Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes High Power Operation If not in Auto Operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan speed setting to provide a quieter operating sound ION Operation While it is operating the unit generates negative ions that freshen up the air in the room Anti Mold Filt
118. ton If this button is pressed during HEAT DRY COOL or FAN operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1step above HIGH ON TIME OFF TIME setting buttons No display The timer does not operate ON The air conditioner starts at the set time OFFS The air conditioner stops at the set time ONS OY The air conditioner stops and starts or starts and stops at the set times every day For details see Setting the Timer Ol 048 9 EG Remote Control Unit continued SENSOR button NOTE When you press this button use a small tipped object such as a ballpoint pen the amp mark will appear at the display And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly If the remote control is located near a heat source such as a space heater or in direct sunlight press the SENSOR button to switch to the sensor on the indoor unit Temperature Display Selector button This switches the temperature display between C and F Time Display Selector button This switches the time display between 24 hour time and 12 hour time ACL button ALL CLEAR Puts the remote control unit into pre operation status Always press this button after replacing the batteries and setting the S M switch ADDRESS switch
119. troller 8 3 Checking the Indoor and Outdoor Units 1 Checking the indoor unit Replace the circuit board or the fuse Control Check items unit operation Use the remote controller to operate the The rated voltage must be present between inter unit wirings 1 and 2 unit in TEST run mode To determine Connect a 5 k ohm resistor between inter unit wirings 2 and 3 When the whether the mode is currently in voltage at both ends is measured approximately 12 to 15V DC must TEST run mode check the 4 indicator be output and the multimeter pointer must bounce once every 8 lamps on the unit If all 4 are blinking seconds the current mode is TEST run Or instead of measuring the voltage you can insert an LED jig and check that the LED flickers once every 8 seconds If there are no problems with the above then check the outdoor unit For the Test run procedure refer to 5 HOW TO TEST RUN THE AIR CONDITIONER on Appendix C 2 Checking the outdoor unit Control Check items unit operation Apply the rated voltage between outdoor The control panel LED red must illuminate unit terminals L and N Short circuit the outdoor unit COM terminal The compressor fan motor and 4 way valve must all turn on to the T RUN terminal If there are no problems with the above then check the indoor unit Using the TEST T RUN terminals TEST T RUN terminals T RUN Test run comp
120. trols Control Circuit Fuse 250V 3 15A Remote Control Unit RCS 4MHVPINWAE Q ty Dia and Length mm 1 D94 L845 No of Poles G B O Ambient Temp 20 C Type Internal Controller Over Current Protection Over Heat Protection Run Capacitor Flap Motor Type Model ZZ Rating HAY Coil Resistance Ohm Each Pair of Terminal 400 7 Ambient Temp 25 C Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE 15 2 3 Other Component Specifications Quantity of Sensor Model No of sensor MCAF78MR5I MCAF98MR5I MCAF128MR5I MCAF188R51 MCAF248R5I Sensor Name PTM D51H 5 TH2 PTM D51H S3 2 TH2 Indoor air temp sensor Resistance ohm N 6 AB N 10 15 20 25 30 35 40 Temperature C Quantity of Sensor Model No of sensor MCAF78MR5I MCAF98MR5I MCAF128MRSI MCAF188R5I MCAF248RBI Sensor Name PTM D51H S3 TH1 PTM D51H S3 2 TH1 Indoor heat exchanger sensor 200 180 160 140 120 100 80 60 40 Resistance ohm 20 O 10 20 30 40 50 60 70 80 90 Temperature 16 3 DIMENSIONAL DATA MCAF78MRB5I Indoor Unit MCAF98MRB5
121. ttach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit Ol 048 23 EG 23 Air Clean Filter How to install the air clean filter How to clean the air clean filter NOTE Cleaning the main unit and remote control unit Removing and remounting the air intake grille Washing the grille with water 24 Cleaning the negative ion generator ANE NOTE Care and Cleaning continued The air clean filter removes dust and dirt from the air and reduces odors and smoke from tobacco This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room You must open doors or windows frequently when you use gas or oil heating appliances Otherwise there is a risk of suffocation in extreme cases The air clean filter needs to be installed behind the air intake grille 1 Remove the air intake grille 2 Install the air clean filter in the position shown in the mmi fig ure 3 Remount the air intake grille In general the filter should be sucked to remove dust in low fan speed of a vacuum cleaner once every three months If there is heavily grime on the filter soak the filter in lukewarm water with neutral detergent diluted 1 500 for 1 to 2 minutes then wash it e Rinse the filter in clea
122. ty over the DAILY ON OFF REPEAT setting 20 Do not Do Tips for Energy Saving e Block the air intake and outlet of the unit If they are obstructed the unit will not work well and may be damaged e Let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room e Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed OI 048 20 EG Adjusting the Airflow Direction 1 Horizontal The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right When the humidity is high the vertical vanes should be in the front position during the cooling or dehumidifying operation If the vertical vanes are positioned all of the way to the right or left condensation may begin to form around the air vent and drip down 2 Vertical The vertical airflow can be adjusted by moving the flap with the remote control unit Do not move the flap with your hands Confirm that the remote control unit has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings OUIET MODE C cJ FAN SPEED NIGHT SETBACK
123. ubing connections Drain connections are secure and water drains properly Putty has been used to close the hole in the wall Remote controller signals are being positively received Me Technibel R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France YN 4 74 00 42 ay cu ecw tien Tel 33 04 74 00 92 92 Fax 33 0 00 42 00 http www technibel com
124. ury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center 22 OI 048 22 EG Care and Cleaning continued Anti Mold Filter anti mold filter behind the air intake grille should be checked and cleaned at least once every two weeks How to remove the anti mold 1 Grasp both ends of the air Air intake grille filter intake grille and remove it by opening towards the front and pulling towards you 2 Remove the anti mold filter attached to the rear of the air intake grille Cleaning Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it How to replace the anti mold 1 With the FRONT mark of filter the anti mold filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the anti mold filter Anti mold filter 2 Allow the edge of the air intake grille to slide into the Groove top of the indoor unit and then insert it all the way inside Pin Air intake grille 3 To attach the air intake grille to the indoor unit press its bottom right and left corners as well as its bottom center into place NOTE A
125. ver Fig 24 3 Insert the inter unit wiring into the through the wall PVC pipe Lead the power wiring into the room allowing approx 25 cm to extend from the wall face Fig 25 4 Route the inter unit wiring from the back of the indoor unit and pull it towards the front for connec tion Fig 26 5 Connect the inter unit wiring to the corresponding terminals on the terminal plate Fig 26 while referring to the wiring diagram 6 Be sure to secure the wiring with the provided clamp When closing the air intake grille press the bottom right and left corners and center Fig 27 Please refer to How to replace the grille on page 8 or 9 for installing the air intake grille Plastic cover Wiring A cm Fig 25 Fig 26 Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist There fore be sure all wiring is tightly connected When connecting each power wire to the correspond ing terminal follow the instructions How to connect wiring to the terminal and fasten the wire securely tight with the fixing screw of the terminal plate How to connect wiring to the terminal a For Indoor Unit 1 Cut the wire end with a cutting pliers the

dc inverter multi-system air conditioner technical & service manual

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dc inverter multi-system air conditioner technical &amp; service manual

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dc inverter multi-system air conditioner technical & service manual