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Panasonic CS-MKE12NB4U Service Manual

1. 31 8 3 Checking the Indoor and Outdoor Units 33 8 4 Trouble Diagnosis of Fan Motor 37 8 5 Noise Malfunction and Electromagnetic Interference 38 APPENDIX Operating Instructions 1 CS MKEONB4U 4 CZ 18BT1U CS MKE12NB4U amp CZ 18BT1U APPENDIX B Operating Instructions A 2 CS KE18NBAUW amp CZ 18BT1U APPENDIX C INSTALLATION INSTRUCTIONS A 3 amp CZ 18BT1U CS MKE12NB4U amp CZ 18BT1 CS KE18NB4UW amp CZ 18BT1U APPENDIX Operating Instructions 4 CZ RD515U APPENDIX E INSTALLATION INSTRUCTIONS A 5 CZ RD515U B APPLICABLE MULTI OUTDOOR UNITS CU 3KE19NBU CU 4KE24NBU CU 4KE31NBU 1 OPERATING RANGE Temperature _ Indoor Air Intake Temp Outdoor Air Intake Temp 95 F 71 F WB 115 F DB Cooling 80 F 67 F WB 75 F 65 F WB eatin DB WB DB 0 F WB 2 SPECIFICATIONS 2 1 Unit Specifications 2 1 1 Indoor Unit CS MKE9NB4U amp CZ 18BT1U lt 230V gt Voltage Rating 230V Single Phase 60Hz Total Capacity BTU h 9 000 12 300 kW 2 65 3 6 Air Circulation Hi Me Lo ft min m h 221 376 206 350 194 330 247 420 235 399 224 381 Moisture Removal High Pints Available Voltage Range Running Amperes Power Input Co 187 to 253 O Electrical Rating Performance Controls
2. 16 6 1 Address Setting of the Remote Controller 7 CONNECTING A HOME AUTOMATION 09 251 17 8 INSTALLATION CHECK SHEET 17 85264190585001 2011 CV6233187846 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 or unsafe practice which can WARNING result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or prod CAUTION 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 improp er installation or maintenance service including fa
3. CO Fig 10 6 1 5 Remove the power box and control box 1 Remove a screw and remove the terminal cover Fig 11 2 Remove the 2 screws and remove the power box cover Fig 11 3 Disconnect the power lines No 1 and No 2 signal line No 3 and ground cable from the terminals in the power box Fig 12 Screw Power box cover Terminal Ground cable Power lines Signal line 4 Disconnect the connector 7 2P in the power box Fig 13 Remove a screw and disconnect the ground cable Fig 13 Remove the 4 screws and remove the power box Fig 14 Disconnect the connectors CNO6 FS and CNO9 COIL 1 2P in the control box Fig 15 Screw CNO3 Screw For the removal of the following components perform any work after removing the indoor unit main body from the ceiling Main body lower section Heat exchanger sensor Drain pump Float switch Turbo fan Fan motor Heat exchanger 1 Perform the work after draining the water to prevent the water leakage from the drain pan Put a bucket etc under the drain cap and remove the drain cap to drain the water Fig 16 2 Refer to the installation instructions for recovery of refrigerant or removal of the power cable or tubing 6 1 6 Remove the main body lower section 1 Remove the 4 screws Fig 16 2 Remove the 2 screws Fig 17 3 Disconnect the connector DC
4. ceiling panel Remote ontroller obs Special screw 3 16 x 1 9 16 5 x40mm Remote control holder e Use M10 or 3 8 for suspension bolts AAA alkaline e Suspension bolts and nuts locally purchased battery Full scale installation re lon diagram 1 3 Optional Copper Tubing Kit Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the narrow and wide tub ing fittings and insulation Consult your nearest sales outlet or air conditioning workshop 1 4 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing as detailed in Table 2 Cut each tube to the appropriate lengths 1 to 1 4 30 cm to 40 cm to dampen vibration between units 2 Foamed polyethylene insulation for the specified copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 5 16 8 mm Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 3 7 Wiring Instruc tions for details Table 2 Narrow Tube Wide Tube Check local electrical codes Outer Dia Thickness Outer Dia Thickness and regulations before CS MKE9NB4U 4 4 6 35 mm 0 0314 0 8 mm 3 8 9 52 mm 0 0314 0 8 mm WAE ASO CS M
5. After repairs make sure to check the drainage of the indoor unit Inappropriate drainage may cause wet furniture and floors due to water leakage TABLE OF CONTENTS Page N SAFETY PRECAUTIONS Ru SUE n ERE UNE un EFE V Ex RUE rx FEM rx E NC MER 2 TABLE OF CONTENTS itk nn abusu Er axo pERYRbxwEFPxR EE FUSE 4 B APPLICABLE MULTI OUTDOOR UNITS 6 1 OPERATING RANGE eem MenHHenmmmmIHyHHeHnennneemnn nnns 7 2 SPECIFICATIONS 2 1 Unit Specifications _____________________ ____________ ______ ______________ es 8 2 2 Specifications ee eT 14 2 3 Other Component Specifications ee ee ere 17 3 DIMENSIONAL uS GU 18 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Set er err re rere er 19 5 ELECTRICAL DATA 5 1 Electric Wiring Diagrams 20 6 MAINTENANCE 6 1 Disassembly Procedure 21 7 FUNCTIONS 7 1 Operation FUNCTIONS ccccctttcc ttre MP 28 7 2 Protective FUNCTIONS 30 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8 1 Precautions before Performing Inspection or Repair UT 31 8 2 Method of Self Diagnostics
6. Simple One touch Remote Controller The remote controller has several features to facilitate automatic operation e 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 e 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 e Automatic and 3 step Fan Speed Auto High Medium Low CONTENTS Page FEATURE 2 PRODUCT 1 2 SAFETY PRECAUTIONS 2 2 2 INSTALLATION 3 ELECTRICAL REQUIREMENTS 5 irt 3 SAFETY INSTRUCTIONS 3 NAMES OF PARTS 4 USING THE REMOTE CONTROLLER 8 OPERATION WITH THE REMOTE CONTROLLER 9 1 Automatic 9 2 Manual 9 Adjusting the Fan 5 10 4 Night Setback 10 5 HIGH POWER 10 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 t
7. The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature 15 reached If Night Set Back mode is selected the fan will turn off intermittently during cooling operation in order to control air flow USING THE REMOTE CONTROLLER HOW TO INSTALL BATTERIES TIMER CANCEL CLOCK SENSOR ADR C4P F 12 4 24H ACL ACL button 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 The batteries last about six months depending on how much you use the remote controller Replace the batteries when the remote controller s display fails to light or when the remote controller cannot be used to change the air conditioner s settings Use two fresh leak proof type AAA alkaline batteries In replacing batteries follow the instructions as mentioned in the subsection HOW TO INSTALL BATTERIES If you do not use the remote controller more than 1 month take out the batteries Dispose of the used batteries at the designated location in compliance with the applicable local ordinances N cee Information for Users on Collection and Disposal of Old Equipment and used Batteries Information on Disposal in other Countr
8. A Sweep function The flap starts moving p up and down to deliver l air over the sweep range B Setting the airflow manually g Referring to the above illustration use the COOL FLAP button setthe DRY airflow direction within the range used during the heating cooling or dehumidifying operation C Auto flap function The flap is set to the recommended position 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 controller caution e Use the FLAP button on the remote controller to adjust the position of the flap If you move the flap by hand the flap position according to the remote controller 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 13 OPERATION WITHOUT THE REMOTE CONTROLLER If you have lost the remote controller or it has trouble follow the steps below When the air conditioner is not running
9. Parts Qty Parts Figure Q ty 26 2 ft 8m ire Remote controller installation guidelines remote 1 controller aieo ai Installation location xx UN Mount the remote controller 3 3 to 4 9 ft 1 to 1 5 5 32 x 15 16 meters off the floor where it can sense the average Machine 4x25mm Instruction temperature of the room screws manual Do not mount the remote controller in a place exposed to direct sunlight or where it is exposed to 5 32 x 15 16 outside air such as near a window Tapping 4x25mm Installation Do not mount the remote controller behind a curtain or oe other object so that it is separated from the air circula tion of the room Mount the remote controller inside the room being air Spacers 6 2 conditioned OP Switching the room temperature sensor Room temperature sensors are separately incorporated in both the indoor unit and the remote controller Either sensor can be used to sense the room temperature The indoor unit sensor is usually used If you wish the remote controller to sense the room temperature press the SENSOR button with a ballpoint pen or tool with a small tip Refer to Fig 9 on page 4 to locate the SENSOR button B How to install the remote controller IMPORTANT The remote controller is set to Cool Dry Heat model at the time of shipment from the factory If the purchased air C conditioner is a COOL DRY model follow the
10. Total Capacity BTU h 11 900 13 600 kW 3 5 4 0 Air Circulation Hi Me Lo ft min m3 h 235 399 206 350 194 330 268 455 247 420 224 381 Moisture Removal High Pints 4 26 Available Voltage Range Running Amperes Power Input gt 187 to 253 0 11 co Electrical Rating Performance Controls Temperature Control Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Auto and 3 steps Airflow Direction Indoor Horizontal Vertical Auto Air Filter Washable Anti Mold Refrigerant R410A Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Wired Remote Controller Option CZ RD515U Individual Unit Indoor Unit Dimensions amp Weight Indoor Unit 5 Body Panel CS MKE12NB4U amp CZ 18BT1U CS MKET2NBA4U CZ 18BT1U Unit Dimensions Height 11 5 32 283 22 5 8 575 22 5 8 575 Package Dimensions Height Pe 11 13 32 290 4 1 8 105 ______ 124 13 16 630 26 3 16 665 ______ 28 18 714 Weight Net Ib kg 35 3 16 Shipping Akg ___ 41909 Shipping Volume cuft m PO 4590 13 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor Thermister Remarks Rating conditions are Cooling Indoor air temperature 80 DB 67 F WB Heating Indoor air temperature 70 F DB Outdoor air temperature 95 F DB 75
11. 10 6 HIGH POWER 10 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 Automatic Switching between Cooling and Heating When the remote controller 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 controller s S M switch is at the 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 Then the air conditioner continuously operates under the mode selected at initial 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 sp
12. 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 e 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 CONTENTS Page FEATURE MT 2 PRODUCT INFORMATIODTL uestrae settori 2 SAFETY PRECAUTIONG ccccccsseeecceseeeecessseseesecseeeeseaees 2 INSTALLATION LOCATION 0 ccccsseeeeeeeeeeeeeeseeeeeesseaeeeeeens 3 ELECTRICAL REQUIREMENTS 5 2 3 SAFETY 3 NAMES OF PARIS 4 USING THE REMOTE 8 OPERATION WITH THE REMOTE CONTROLLER 9 1 Automatic Operation 9 2 Manual 9 Adjusting the Fan 5 10 M 10 5 Night Setback
13. 852 6 4190 585 00 1 For Indoor Unit INSTALLATION INSTRUCTIONS Panasonic Split System Air Conditioner This air conditioner uses the refrigerant R410A Contents External diameter of service port R410A 5 16 mage IMPORTANT Please Read Before Starting 2 Model Combinations Combine indoor and outdoor units only as listed GENERAL timer inier I eee 4 below 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied with Unit Model No 1 3 Optional Copper Tubing Kit indcormt 1 4 of Copper Tube and Insulation Material __ Seager 1 5 Additional Materials Required for Installation CS MKE9NB4U CU 3KE19NBU CS MKE12NB4U CU 4KE24NBU 2 INSTALLATION SITE SELECTION 5 CS KE18NB4UW CU 4KE31NBU 2 1 Indoor Unit 2 2 Embedding the Tubing and Wiring Power Source 60 Hz single phase 230 208 VAC 3 HOW TO INSTALL THE INDOOR UNIT 7 3 1 Preparation for Suspending 3 2 Suspending the Indoor Unit Ceiling Panel 3 3 Placing the Unit Inside the Ceiling CZ 18BT1U 3 4 Installing the Drain Piping 3 5 Checking the Drainage 3 6 How to Install the Ceiling Panel 3 7 Wiring Instructions 3 8 Wiring Instructions for Inter unit Connections 4 HOW TO TEST RUN THE AIR CONDITIONER 14 5 REMOTE CONTROLLER INSTALLATION tees 15 5 1 Mounting on a Wall 6 ADDRESS SWITCH
14. 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 The outdoor unit contains the compressor fan Condensing motor heat exchanger coil and other electrical components Refrigerant Tubes UNIT DISPLAY AND OPERATION BUTTON gt L CMS 22 OPERATION button OPERATION lamp TIMER lamp C HIGH POWER lamp N IMPORTANT Avoid using radio equipment such as mobile phone near within 4 ft 1 2 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 REMOTE CONTROL receiver OPERATION button This section picks up infrared signals from the remote controller transmitter When the remote controller 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 Heating operation gt operation green red Stop lamp off TC OPERATION lamp This lamp lights when the system is in the continuous AUTO red or green HEAT red DRY orange COOL green and FAN green mode but no FAN mode
15. si 31934 JEU os eq 1109 uoisuedsns y Jo 94 VC GZ9 ZE 6L 896 6 6 629 c 6L vc 9L LL 9 91 6579 72 2 2 GZS 9 9 22 suoisueuuip Buiuedo 009 8 9 22 NO ET NO Q I youd uoisuedsng Youd oq uoisuedsng 729 22 1 12 SU oisueuuip 009 8 9 Z V ueu 5591 CEGC CE LE ueu 5591 9 4 uonoeuuoo 45914 ejou g L L X Z L v 9 04 uorsuedsng Ajddns Jewog QZdA uonoeuuoo eqni z eip seb Buiqn jueJeDujes eip eBueuosiq ye ul Unit inch mm 18 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor Unit CS MKESNB4U amp CZ 18BT1U CS MKE12NB4U amp CZ 18BT1U Indoor unit O c O X 4 O D 1 4 6 35 mm Cooling cycle Heating cycle Indoor Unit CS KE18NB4UW 4 CZ 18BT1U Indoor unit O D 1 2 12 7 mm Heat exchanger O D 1 4
16. 3 O D PCB FAILURE O D OUTDOOR 506 O DAIR TEMP SENSOR TROUBLE 507 O D CURRENT SENSOR ERROR O D PCB FAILURE I D O D COMMUNICATION 1 MIS WIRING 2 AC POWER FAILURE 3 BLOWN FUSE E01 TROUBLE 4 POWER RELAY FAILURE 5 I D OR O D PCB FAILURE SERIAL COMMUNICATION 6 O D FAN MOTOR FAILURE 7 REACTOR FAILURE TROUBLE HIGH PRESSURE SW FAILURE 9 OLR FAILURE 10 MAGNETIC COIL FAILURE HIC OR POWER TR FAILURE 2 O D FAN NOT OPERATING Eoo HIC CIRCUIT TROUBLE INSTANTANEOUS POWER STOPPAGE 4 SERVICE VALVE NOT OPENED POWER CIRCUIT TROUBLE O D FAN BLOCKED 6 CONTINUOUS OVERLOAD OPERATION COMPRESSOR FAILURE 8 O D PCB FAILURE poa O D UNIT EXTERNAL ROM 1 EXTERNAL ROM DATA FAILURE 2 O D PCB FAILURE TROUBLE 1 INSTANTANEOUS POWER STOPPAGE 2 OR POWER TR FAILURE E04 CURRENT PEAK CUT 3 O D PCB FAILURE N Om Aa Eos PAM CIRCUIT TROUBLE 1 O D PCB FAILURE ACTIVE CIRCUIT TROUBLE 2 O D POWER VOLTAGE TROUBLE COMPRESSOR 1 ELECTRIC EXPANSION VALVE FAILURE 2 CHOKED CAPILLARY TUBE E06 DISCHARGE TEMP 3 INSUFFICIENT GAS 4 CONTINUOUS OVERLOAD OPERATION OVERHEATING PREVENTION 5 O D FAN NOT OPERATING 6 O D PCB FAILURE 1 FAN MOTOR FAILURE 2 CONNECTOR CONTACT FAILURE rt FAN OPERATIONTROUBLE 3 D PCB FAILURE 4 WAY VALVE SWITCHING 1 4 WAY VALVE FAILURE HEAT PUMP MODEL ONLY TROUBLE 2 O D
17. Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 30 C max 86 F max 16 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 13 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 Choose the best position in the room for the remote controller 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 controller 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 3 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the 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 99 3 or 4 N
18. Prohibit Prohibit Prohibit 9929993929 If refrigerant gas blows off during the work do not touch the refrigerant gas as it may cause frostbite S Prohibit If refrigerant gas leaks during the work ventilate the room If refrigerant gas catches fire harmful gas may be generated Do not mix any gas other than the specified refrigerant gas in the refrigerating cycle If air or other contaminants mix with the gas pressure will become extremely high in the refrigerating cycle Prohibit which may cause a unit breakdown When the welded section of the compressor intake or discharge pipe is to be disconnected perform it in a well ventilated place after sufficiently recovering the refrigerant gas Any residue gas may jet out refrigerant or refrigerating machine oil which may cause an injury When the work is to be performed in a high place About 2 meters or more make sure to wear a safety helmet gloves and safety belt Insufficient safety gear may cause a serious injury in case of a fall When the unit is to be relocated confirm that the new installation location has sufficient strength for the weight of the unit Insufficient strength of the installation location and incomplete installation work may cause an injury due to the unit falling When the remote controller batteries are replaced dispose of the old batteries out of the reach of children If a child swallows a battery make sure that the child gets immediate medical a
19. STEP 1 FLAP X NIGHT SETBACK 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 Press the MODE selector button to 3 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again NOTE change the temperature setting press the temperature setting buttons and change the setting to the desired temperature 2 Manual Operation HIGH 1 EE POWER STEP 2 STEP 3 FAN SPEED MODE STEP 4 STEP 1 FLAP NIGHT SETBACK 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 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 controller STEP 2 To start the air conditioner press the ON OFF operation button STEP Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range
20. e Clean the air filter and replace it in its original position e Outdoor unit internal components must be checked and cleaned periodically Contact your local dealer for this service EN NSS J Air filter A 4 NSS 4 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 5 Insert the filter correctly again inside the grille close the grille letting the latches slide towards the outside and fix again the latch 15 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 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 OPERATING RANGE The air conditioner is operable within the temperature ranges as listed below Temperature Indoor air Outdoor air temperature temperature COOLING Max Air conditioner does not run at all OPERATION lamp blinks and air conditioner does not operate Compressor runs but soon stops Poor cooling or heating performance Clicking sound is heard from the air conditioner OPERATION lamp lights but outdoor unit will not run TIMER lamp blinks 3 sec interval and air conditioner does not operate 16 1 Power failure 2 Leakage circuit breaker tripped 3 Line voltage is too low 4 B
21. flap operation failure or other problems may occur Fig 6 11 J N Never place the panel face down Neither hang it ver Fig 6 12 Fig 6 13 tically nor place it on top of a projecting object Plac ing it face down will damage the surface Air intake grille Do not touch the flap or apply force to it This may cause flap malfunction Fig 6 12 3 6 1 Before Installing the Ceiling Panel 1 Remove the air intake grille and air filter from the ceiling panel i Air intake grille hinge a Press on and slide the two latches of the air intake grille Fia 6 14 with your thumb in the direction shown by the arrow 1 a to open the grille Figs 6 13 and 6 14 b With the air intake grille opened remove the grille hinge from the ceiling panel by sliding it in the direction shown by the arrow 2 Fig 6 15 2 Removing the corner cover and indicator cover a While lightly pressing the cen ter of the corner cover pull up the tab for the screw hole Use the same procedure to remove the indicator cover Fig 6 16 Indicator cover 3 6 2 Installing the Ceiling Panel 1 Hang the temporary latches on the inside of the ceil ing panel to the receptacle on the unit to temporarily attach the ceiling panel in place Fig 6 17 e The ceiling panel must be installed in the correct direction relative to the unit Align the REF PIPE and DRAIN marks on the ceiling panel corner with the correct positi
22. 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 connector Fig 30 4 Place the ring connector wire and replace and tighten the removed terminal screw using a screw driver Fig 32 13 Special washer b Strip 15 16 25 mm Strip 3 8 10 mm 9 32 STRIP 7 mm ACTUAL SIZE SIZE Fig 28 Solid wire i Loop Insulation Fig 29 Stranded wire O Ring connector Fig 30 Twist wire ends ne rd Screw Ring connector Terminal plate Fig 31 L ID Screw and special washer Ring connector 4 How to Test Run the Air Conditioner After turning on the power of the air conditioner use the remote controller and follow the steps below to conduct the test run 1 Set the remote controller in Test Run mode Fig 33 a Press and hold the HIGH POWER button and the 1HR TIMER button b Then press and hold the ACL Reset button with a pointed object such as the tip of a pen After 5 seconds release the ACL button first c Then release the HIGH POWER and 1HR TIMER buttons d appears and oP 1 blinking in the remote troller clock display area Fig 34 2 Start Cooling mode test run by pressing the ON OFF operation button of the remote controller Fig 33 This starts the fan prod
23. shown in the diagram Fig 6 3 Over 19 32 15mm 1 2 23 32 13 1 8mm Thread the 3 hexagonal nuts locally purchased and 2 supplied washers onto each of the 4 suspension bolts as shown in the diagram Use 1 nut and 1 ____ ___ 1 washer for the upper side and 2 nuts and 1 washer Fi E Supplied screw ull scale installation diagram for the lower side so that the unit will not fall off the printed on top of container box suspension lugs Fig 6 4 Fig 6 3 5 Adjust so that the distance between the unit and the Suspension bolt ceiling bottom is 1 2 13 mm to 23 32 18 mm Tighten the nuts on the upper side and lower side of the suspension lug Fig 6 4 Nuts and washers Suspension lug used for upper and lower Notch Double nut 1 2 23 32 13 18mm Fig 6 4 Twist ti 3 4 Installing the Drain Piping ea ies supplied 1 Prepare standard hard PVC pipe locally purchased O D Goi fea lel ig Position to 1 1 32 26 mm for the drain and use the supplied hose supplied 1 1 32 26mm fasten hose band to prevent water leaks Fig 6 5 locally purchased pande 2 To install the drain hose first place 1 of the 2 hose bands over the unit drain port and the other hose band over the hard PVC pipe not supplied Then connect both
24. 12V 2 DC 12V Coil Resistance Ohm Each Pair of Terminal 380 7 Ambient Temp 77 F 25 C DATA SUBJECT TO CHANGE WITHOUT NOTICE 14 Indoor Unit CS MKE12NB4U Control PCB CB CS MKE12NB4U Control Circuit Fuse 250V 3A Q ty Dia and Length inch mm 1 012 5 8 L5 3 4 D322 L147 FNo ofPoes Coil Resistance Ohm Ambient Temp 68 F 20 C Type Thermal Fuse Over Current Protection Yes Over Heat Protection Yes Run Capacitor Micro S Drain Pump Model Q ty PLD 12230ST 1 1 Rating Voltage Hz AC208 to 240V 60Hz Input W Coil Resistance Ohm 333 10 Ambient Temp 68 F 20 C Safety Device Type Thermal Fuse Open F C 293 145 Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit Panel CZ 18BT1U Flap Motor Stepping Motor Model Q ty MP24ZN 12V 2 DC 12V Coil Resistance Ohm Each Pair of Terminal 380 7 Ambient Temp 77 F 25 C DATA SUBJECT TO CHANGE WITHOUT NOTICE 15 Indoor Unit Body CS KE18NB4UW Control PCB CB CS KE18NB4U Control Circuit Fuse 250V 3A Q ty Dia and Length inch mm 1 012 5 8 L5 3 4 D322 L147 Coil Resistance Ohm Ambient Temp 68 F 20 C Type Internal Controller Over Current Protection Yes Over Heat Protection Yes Run Capacitor MieoF ___ _ ______ vac __
25. 3 16 665 ______ 28 18 714 Weight Net Ib kg 35 3 16 Shipping Akg ___ 41909 Shipping Volume cuft m PO 4590 13 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor Thermister Remarks Rating conditions are Cooling Indoor air temperature 80 DB 67 F WB Heating Indoor air temperature 70 F DB Outdoor air temperature 95 F DB 75 F WB Outdoor air temperature 47 DB 43 WB 12 Indoor Unit CS KE18NB4UW amp CZ 18BT1U lt 208V gt Semi Concealed Type Indoor Unit Voltage Rating 208V Single Phase 60Hz Total Capacity BTU h 17 500 20 400 kW 5 15 6 0 Air Circulation Hi Me Lo ft min m h 341 579 294 500 253 430 383 651 324 551 265 450 Moisture Removal High Pints 4 89 Available Voltage Range Running Amperes Power Input gt 187 to 253 0 16 NO N Electrical Rating Performance NO NO Controls Temperature Control Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Auto and 3 steps Airflow Direction Indoor Horizontal Vertical Auto Air Filter Washable Anti Mold Refrigerant R410A Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 1 2 12 7 Wired Remote Controller Option CZ RD515U Individual Unit Indoor Unit Dimensions amp Weight Indoor Unit 5 CS KE18NB4UW amp C
26. 6 35 mm sas Cooling cycle Heating cycle 19 5 ELECTRICAL DATA iagrams D CS MKE9NBAU amp CZ 18BT1U iring 5 1 Electric W Indoor Unit CS MKE12NB4U amp CZ 18BT1U CS KE18NBAUW CZ 18BT1U c 0069r 0ScS CV 38 az 13A 834 L MOO NOON S4 HOLIMS 1VO 143 YOLSINYAHL Ysa LHM dS LHM dZ LHM ER ERE ln ASSY dlAV 1 MOd INMd 2 e s v e z t 2 e s v e e T TT Gay n18 d Q33 MOd WMd TANNYO t LHM d9 n18 d9 Woa 2 n 20 ITI S v S V iip IX YOLOW ASVd IS COWLOV J409 5 D 00 LINN YOOGLNO OL 20 6 MAINTENANCE 6 1 Disassembly Procedure To avoid electrical shock hazard be sure to disconnect power before attempting to disassemble the unit N Warning inis When a footstool etc is used for disassembling the indoor unit be careful not to fall down If you fall down you might be injured seriously 6 1 1 Remove the air intake grill 1 Slide the 2 latches each to the corresponding arrow direction Fig 1 and Fig 2 Open downward the air intake grill located on the latch side 2 Undo the air int
27. 8 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 noise e Where there is an obstacle between the remote controller and air conditioner since a check signal is sent from the remote controller every 5 minutes MOUNTING THE REMOTE CONTROLLER Before mounting the remote controller 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 Mounting Screws To prevent loss of the remote 5 32 x 5 8 controller you can connect the 4 x 16 mm remote controller to the holder by included passing a string through the remote controller and attachment hole To take out the remote controller pull it forward WHEN HOLDING THE REMOTE CONTROLLER e When using the remote controller and during air conditioner operation the transmitter on the remote controller should be pointed towards the receiver on the indoor unit Make sure that there are no objects between the remote controller and receiver which could block the signal OPERATION WITH THE REMOTE CONTROLLER 1 Automatic Operation The air conditioner calculates the difference between the thermostat setting and room temperature and automatically determines the mode to operate under c
28. 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 green Heating Stop operation red lamp off The temperature is set to the room temperature minus 4 F during the cooling operation and to the room temperature plus 4 F during the heating operation and the fan speed and flap are set to Auto 14 CARE AND CLEANING Cleaning and maintenance operations must be carried out by specially trained personnel While working in high places slipping or falling may result in serious injury 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 Ceiling panel Indoor Unit Clean the ceiling panel of the indoor unit with a vacuum cleaner brush or wipe it with a clean soft cloth If it is stained use a clean cloth moistened with a mild liquid detergent When cleaning it be careful not to force the flaps out of place e Never use solvents or harsh chemicals caution when cleaning the indoor unit Do not wipe the plastic casing using very hot water Some metal edges and the fins are sharp and may cause injury if handled improperly be especially
29. F WB Outdoor air temperature 47 DB 43 WB 10 Indoor Unit CS MKE12NB4U amp CZ 18BT1U lt 208V gt Semi Concealed Type Indoor Unit Voltage Rating 208V Single Phase 60Hz Total Capacity BTU h 11 900 13 600 kW 3 5 4 0 Air Circulation Hi Me Lo ft min m3 h 235 399 206 350 194 330 268 455 247 420 224 381 Moisture Removal High Pints 4 26 Available Voltage Range Running Amperes Power Input gt 187 to 253 0 12 O Electrical Rating Performance Controls Temperature Control Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Auto and 3 steps Airflow Direction Indoor Horizontal Vertical Auto Air Filter Washable Anti Mold Refrigerant R410A Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Wired Remote Controller Option CZ RD515U Individual Unit Indoor Unit Dimensions amp Weight Indoor Unit 5 Body Panel CS MKE12NB4U amp CZ 18BT1U CS MKET2NBA4U CZ 18BT1U Unit Dimensions Height 11 5 32 283 22 5 8 575 22 5 8 575 Package Dimensions Height Pe 11 13 32 290 4 1 8 105 ______ 124 13 16 630 26 3 16 665 ______ 28 18 714 Weight Net Ib kg 35 3 16 Shipping Akg ___ 41909 Shipping Volume cuft m PO 4590 13 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocess
30. KE18NB4UW CU KE18NKU For Multiple use CU 3KE19NBU CU 4KE24NBU CU 4KE31NBU Ceiling Panel CZ 18BT1U This air conditioner uses the refrigerant R410A Multiple use is applied for the model CS KE18NB4UW only e 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 controllers S M switch is at the S Single position e Multiple use i e Flexi Multi system 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 controllers S M switch is at the M Multiple position Refer to USING THE REMOTE CONTROLLER on page 8 Li Ld Before operating the unit read these operating instructions thoroughly and keep them for future reference Panasonic Corporation 1006 Kadoma Kadoma City Osaka Japan 85264181213002 CV6233187655 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 e Microprocessor Controlled Operation The interior compartment of the remote controller contains several features to facilitate automatic operation easy logically displayed for easy use Simple One touch Remote Controller The remote controller has several features to facilitate automatic operation
31. ON OFF operation button of the remote controller again to stop the test run Fig 9 4 Finally press the ACL Reset button of the remote controller to release it from Test Run mode to return to normal mode Fig 9 and oP 1 will disappear from the remote controller clock display area Troubleshooting In the event that the green OPERATION lamp is blink ing upon powering up the system an error condition exists In this case refer to the self diagnostics proce dure which can be seen by opening the air intake grille 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 gt A XE 98 LI LI OSD 74 1 EL COO PM BG BL 0140 4 NIGHT SETBACK button 1 HR TIMER button gt ACL Q ENSOR CD ACL Reset SENSOR button button Fig 9 button oO __ OPERATION lamp isto lamp HIGH POWER lamp REMOTE CONTROL receiver Fig 11 Wl1011 0 Printed in China DC1111 0
32. REMOTE CONTROLLER 16 SPECIFICATIONS 17 SAFETY PRECAUTIONS The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance AN 19 AN This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage 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 Avoid 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 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details 2 Each unit must be properly grounded with
33. REMOTE CONTROLLER iei intenti 7 1 Automatic Operation only for COOL DRY HEAT 7 2 Manual OG Fea 7 Adjusting the Fan 8 8 5 eusc cs ed I 8 eon E eee eee 8 TRE TIMER m T 9 USING THE OFF eer 10 ADJUSTING 10 PRODUCT INFORMATION SAFETY PRECAUTIONS If you have problems or questions concerning your wired The following symbols used in this manual alert you remote controller you will need the following information to potentially dangerous conditions to users service Model No personnel or the appliance This symbol refers to a hazard or unsafe Date of purchase ___________________ practice which can result in severe Dealer s address personal injury or death Phone number This symbol refers a hazard or unsafe N CAUTION practice which can result in personal injury or product or property damage INSTALLATION LOCATION We recommend that this wired remote controller be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit Do not install this wired remote controller where there are fum
34. Remote Controller Model No CZ RD515U This wired remote controller is designed for both the COOL DRY HEAT Model and COOL DRY Model indoor unit Once the wired remote controller is connected the wireless remote controller cannot be used OACL O SENSOR Before operating the unit read these operating instructions thoroughly and keep them for future reference Panasonic Corporation 1006 Kadoma Kadoma City Osaka Japan 85264181230001 CV6233187877 FEATURES e Microprocessor Controlled Operation Air Sweep Control The interior compartment of the remote controller contains several This function moves a flap up and down in the air outlet directing features to facilitate automatic operation easy logically displayed air in a Sweeping motion around the room and providing comfort in for easy use every corner e 24 Hour ON or OFF Timer e Automatic Restart Function for Power Failure This timer can be set to automatically turn the unit on or off at any Even when power failure occurs preset programmed operation time within a 24 hour period can be reactivated once power resumes e 1 Hour OFF Timer e Automatic Switching between Cooling and Heating This timer can be set to automatically turn off the unit at any time This unit automatically switches between cooling operation and after one hour heating operation according to the difference between the room temperature and the temperature setting Night Setback This
35. 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 NOTE 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 USING THE 1 HOUR OFF TIMER 1 1 Hour OFF Timer l 0 m ay un 2 469 HIGH ON OFF O POWER 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 the
36. air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed A Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured es Keep the fire alarm and the air outlet at least 1 5m away from the unit Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present Do not sit or step on the unit You may fall down K accidentally Do not stick any object into the FAN CASE You may be injured and the unit may be damaged This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recept
37. at M of the S M switch on the remote controller 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 HIGH POWER _ This lamp lights during operation in the HIGH lamp POWER mode The unit s display lamps are dimmed during operation in the NIGHT SETBACK mode REMOTE CONTROLLER DISPLAY Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown El Displayed when setting timer Displayed when the time display is set to 12 hour time Symbols 1 Operation mode 4 Timer 24 hour clock with ON OFF Want program Timer 19 HEAT ORI TIE ON MIEDO DRY OFF Timer OFF amp a 1 hour OFF Timer FAN Ce eg MUR NOR R CN CNN ee 5 NIGHT SETBACK P 2 Fan speed 6 Confirmation of transmission 7 Auto flap indication A 7 Flap angle indication Sweep indication Automatic operation 3 Temperature setting 8 High power operation 60 86 F When set to 80 F temperature indication REMOTE CONTROLLER Transmitter When you press the buttons on the remote contro
38. con troller back plate Fig 3 Insert the connector into the PCB of the remote controller unit and wrap the wire harness around the hook Fig 4 Store the excess wire harness inside the junction box then hook the remote controller unit onto the top of the back plate and install the remote controller unit To remove the remote controller unit after it has been installed insert a flathead screwdriver into the slot on the bottom of the case and turn it Fig 5 B Installing directly onto the wall 1 5 Insert a flathead screwdriver into the 5 tab locations and disconnect the back plate of the remote controller by lift ing up slightly Fig 2 b The tabs are thin take care not to chip them Use tapping screws to directly fasten the remote con troller back plate onto the wall Fig 6 Insert the connector into the PCB of the remote controller unit and wrap the wire harness around the hook Fig 4 Use nippers or a similar tool to cut out the slot on the top of the remote controller unit Pass the wire harness through the slot then hook the remote controller unit onto the top of the back plate and install the remote con troller unit In order to conceal the exposed wiring use a wire cover locally purchased or similar means When installing the remote controller back plate be sure that it is flat and straight Do not over tighten the installa tion screws Install the remote controller away from all
39. conditioner it is very dangerous Do not use this appliance in a potentially explosive atmosphere 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 swallow the battery After removing the battery from remote controller keep it away from the reach of children The battery can cause death by suffocation if swallowed When inserting the battery make sure the polarities and are correct To prevent possible hazards from insulation failure the unit must be grounded Do not clean inside the indoor and outdoor units by users Engage authorized dealer or specialist for cleaning e In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair e Refrigerant gas leakage may cause fire e For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning e Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency 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
40. fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote controller in the following places In direct sunlight Behind a curtain or other place where it is covered More than 26 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 con troller and the air conditioner since a check signal is sent from the remote controller every 5 minutes 5 1 Mounting on a Wall Before mounting the remote controller 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 holder prevent loss of the remote controller Mounting screws you can connect the remote controller 5 32 x 5 8 4 16 mm to the holder by passing a string through included the remote controller and attachment hole To take out the remote controller pull it forward Fig 36 15 6 Address Switch 6 1 Address Setting of the Remote Controller The address can be set in order to prevent interfer ence between remote controllers when 2 indoor units are installed near each other The address is normally set to A To set a differe
41. gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous Do not use this appliance in a potentially explosive atmosphere 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 swallow the battery e After removing the battery from remote controller keep it away from the reach of children The battery can cause death by suffocation if swallowed To prevent possible hazards from insulation failure the unit must be grounded Do not clean inside the indoor and outdoor units by users Engage authorized dealer or specialist for cleaning In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair Refrigerant gas leakage may cause fire For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency 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 th
42. is selected the air conditioner automatically lowers the temperature setting 4 F 2 C when 30 minutes have passed after the selection was made and then another 4 F 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 4 F 2 C temperature 4 F 2 C Press the NIGHT 30 min 30 time SETBACK button 7 2 Protective Functions 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 Indoor heat exchanger temperature F C 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 control is the same as in the a area 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 43 F 6 C 2 Restart after freeze prevention operation occurs when
43. 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 1 Locations near broadcast stations where Either of the following trouble may occur The fundamental concept is to make the there are strong electromagnetic waves 1 The unit may stop suddenly during system less susceptible to noise 2 Locations near amateur radio short wave operation Insulate for noise or stations 2 Indicator lamps may flicker distance from the noise source 3 Locations near electronic sewing machines 1 Use shielded wires and arc welding machines 2 Move unit away from the noise source 2 Electromagnetic interference 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 1 A television or radio is located near the 1 Noise appears in the television picture 1 Select a separate power source A C and A C wiring or the picture is distorted Keep the and wiring at least 1 m
44. signal will not be S CBE WUT Ly received e Ifthe connectors are not connected the auto flap will not operate Be sure to connect them securely Pass the wiring connectors through the clamps to fasten them in place as shown in the figure Fig 6 21 3 6 4 How to Attach the Corner Cover and Air Intake Grille A Attaching the corner cover 1 Check that the safety strap from the corner cover is fas tened to the ceiling panel pin as shown in the figure Fig 6 23 2 Use the supplied screws to attach the corner cover to the ceiling panel B Attaching the air intake grille Place the corner cover so that the 3 tabs e To install the air intake grille follow the steps for 3 6 1 fit into the holes in the ceiling panel Before Installing the Ceiling Panel in the reverse order By rotating the air intake grille it is possible to attach the Fig 6 23 grille onto the ceiling panel T from any of 4 directions panel hook Fig 6 25 e When attaching the air intake 45 S cee grille be careful that the flap c P in any of 4 directions and the indicator wiring do not become caught Be sure to attach the safety cord that prevents the air intake grille from dropping off to the Hook that prevents rille fr ceiling panel unit as shown Fig 6 24 Fig 6 24 Fig 6 25 3 6 5 Checking After Installation Check that
45. sources of elec trical noise Install a noise filter or take other appropriate action if elec trical noise affects the power supply circuit of the unit In wall junction box locally purchased Tab 106mm 60mm plate Fig 2 a Fig 2 b from the indoor unit In wall junction box 8 Opening Al Wire harness Us LU y gt O q TEL YI Wall D Be Back plate S c Spacers GS OG Machine controller Fig 3 Connector Fig 4 Tapping screws Remote controller Fig 6 B How to wire the remote controller 5P FLAP 7P IND and 4P RC wiring connector wiring connector Ceiling 1 Turn OFF the power and remove the ceiling panel panel air intake grille Refer to 3 6 1 Before Installing the Ceiling Panel in the Installation Instructions supplied with the indoor unit 2 Remove the 3 power box cover screws and 2 control box cover screws then remove both covers At this time take care not to drop the covers Fig 7 3 Disconnect the 7P IND terminal and 4P RC termi nal of the 7P IND and 4P RC wiring connectors and AO the 5P terminal of the 5P FLAP wiring connector p from the control box PCB connectors IND RC p EM ower box cover FLAP Disconnect each wiring connector from the Indicator clamp that fas
46. the temperature of the indoor heat exchanger reaches 46 8 or above Indoor heat exchanger temperature F C 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 36 F 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 30 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 Fan speed rpm Outdoor air temp The fan speed is increased depending on the outside air temperature 1 At stability of operation At start of operation LL Stopped 77 86 TC1 25 30 gt Indoor heat exchanger temperature F C NOTE The fan 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 e When HEAT operation starts the indoor fan is stopped until the temperature of the indoor heat
47. there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling sur face Gaps may cause water leakage and condensation Check that the wiring is securely connected If it is not securely connected the auto flap will not operate In addition water leakage and condensation may occur 3 6 6 When Removing the Ceiling Panel for Servicing When removing the ceiling panel for servicing remove the air intake grille and air filter disconnect the flap and the indi cator wiring connectors inside the control box and then remove the 4 mounting screws 3 6 7 Adjusting the Auto Flap The air direction flap on the ceiling panel outlet can be adjusted as follows Adjust the flap to the desired angle using the remote coniroller The flap also has an automatic air sweeping mecha nism Never attempt to move the flap by hand Proper air flow depends on the location of the air conditioner the layout of the room and furniture etc If cooling or heating seems inadequate try changing the direction of the air flow 3 7 Wiring Instructions General precautions on wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely fol lowing the wiring diagram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and circuit breaker for overcurrent protection provided in the exclusive line 3 To prevent pos
48. traps CAUTION Do not install an air bleeder as this may cause water to spray from the drain pipe outlet Fig 6 6 In cases where it is necessary to raise the height of the 1 ft 300mm or less drain piping the drain piping can be raised to a maximum 2 78 ft 850mn or less height of 2 78 ft 850 mm above the bottom surface of 0 45 the ceiling Under no conditions attempt to raise it higher than 2 78 ft 850 mm above the bottom surface of the Length of supplied drain hose 5 1 2 140mm ceiling Doing so will result in water leakage Fig 6 7 e Do not use natural drainage Fig 6 7 Do not install the pipe with an upward gradient from the connection port This will cause the drain water to flow 7X Uphill slope backward and leak when the unit is not operating Fig 6 8 Do not apply force to the piping on the unit side when connecting the drain pipe The pipe should not be allowed Fig 6 8 to hang unsupported from its connection to the unit Fas ten the pipe to a wall frame or other support as close to a the unit as possible Fig 6 9 Provide insulation for any pipes that are run indoors Fig 6 9 3 5 Checking the Drainage After wiring and drain piping are completed use the following pro cedure to check that the water will drain smoothly For this pre pare a bucket and wiping cloth to catch and wipe up spilled water Water drain Be sure to do the wiring between t
49. trouble diagnostics n Test run mode 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 the indoor circuit board or a ROM socket insertion problem or the ROM has not been installed 2 The failure mode is stored in memory even when the power is not ON Follow the procedure below to perform diagnostics PROCEDURE ON OFF After turning on power to the air conditioner use the remote controller and operation follow the steps below to execute self diagnostics Mw button Step 1 Press and hold the remote controller HIGH POWER button and 1 HIGH POWER HR TIMER button Then press and hold the ACL reset button button ZS with a pointed object such as the tip of a pen After 5 seconds EMP 1HR release ACL button first then release HIGH POWER and 1 HR TIMER TIMER buttons oP 1 test run appears blinking in the remote button controller clock display area FANSPEED 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 FLAP NIGHT SETBACK blink Step 3 Finally press the ON OFF button to engage self diagnostics mode e The self diagnostics function utilizes the 3 indicator lamps on the main TIMER unit in combinations of ON lamps blinking lamps and OFF lamps to report the existence of sensor trouble or a protective operation The
50. 0090000900090900000090000909009000990990090900990000909000009090900090909000009 Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance 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 Keep the fire alarm and the air outlet at least 1 5 m away from CAUTION the unit When Connecting Refrigerant Tubing When performing piping work do not mix air except for speci fied refrigerant R410A in refrigeration cycle It causes capacity down and risk of explosion and injury due to high tension inside the refrige rant cycle Refrigerant gas leakage may cause fire Do not add or replace refrigerant other than specified type It may cause product damage burst and injury etc Ventilate the room well in the event that refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas Do not add any refrigerant air or substance into the refrigeration circuit other than the designated refrigerant R410A Adding anything other than the specified refrig er
51. 5V DC must TEST run mode check the 3 indicator be output and the multimeter pointer must bounce once every 8 lamps on the unit If all 3 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 f there no problems with the above then check the outdoor unit For the Test run procedure refer to the Appendix B Installation Instructions 2 Checking the outdoor unit No 0 Check items unit operation 1 Apply the rated voltage between outdoor e The control panel LED red must illuminate unit terminals L and N 2 Short circuit the outdoor unit COM terminal The compressor fan motor and 4 way valve must all turn on to the T RUN terminal f 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 compressor and fan motor turn ON TEST MV Compresses time to 1 60th accelerates operation by 60 times faster than normal 33 3 Serial Communication Error Identification Procedure If the lamps on the main body show the following conditions after the completion of self diagnostics a communication error between the indoor unit and outdoor unit might be considered In such a case identify the breakdown section by using the following procedure Refer to Method of Self Diagnos
52. 86 max 60 min 30 max Or 16 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 13 To stop the air conditioner press the ON OFF operation button again NOTE Choose the best position in the room for the remote controller 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 controller 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 3 Adjusting the Fan Speed A Automatic fan speed Simply set the FAN SPEED selector button to the 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 9 3 or 4 Fan Only HIGH ON T OFF O POWER STEP 2 AA FAN SPEED MODE C20 C gt FLAP NIGHT SETBACK C STEP 3 STEP 1 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 58 S
53. Available Voltage Range Running Amperes Power Input 187 to 253 0 11 Electrical Rating Performance Controls Temperature Control Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Auto and 3 steps Airflow Direction Indoor Horizontal Vertical Auto Air Filter Washable Anti Mold Refrigerant R410A Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Wired Remote Controller Option CZ RD515U Individual Unit Indoor Unit Dimensions amp Weight Indoor Unit Panel CS MKE9NBAU amp CZ 18BT1U CS MKE9NB4U CZ 18BT1U Unit Dimensions Height 11 5 32 283 22 5 8 575 22 5 8 575 Package Dimensions Height Pe 11 13 32 290 4 1 8 105 ______ 124 13 16 630 26 3 16 665 ______ 28 18 714 Weight Net Ib kg 35 3 16 Shipping Akg ___ 41909 Shipping Volume cuft m PO 4590 13 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor Thermister Remarks Rating conditions are Cooling Indoor air temperature 80 DB 67 F WB Heating Indoor air temperature 70 F DB Outdoor air temperature 95 F DB 75 F WB Outdoor air temperature 47 DB 43 WB 2 1 2 Indoor Unit CS MKE12NB4U amp CZ 18BT1U lt 230V gt Semi Concealed Type Indoor Unit Voltage Rating 230V Single Phase 60Hz
54. E AIRFLOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with your hands Confirm that the remote controller has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings FANSPEED C FLAP NIGHT SETBACK PE A Sweep function The flap starts moving p up and down to deliver l air over the sweep range B Setting the airflow manually g Referring to the above illustration use the COOL FLAP button setthe DRY airflow direction within FAN the range used during the heating cooling or dehumidifying operation C Auto flap function The flap is set to the recommended position 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 controller caution e Use the FLAP button on the remote controller to adjust the position of the flap If you move the flap by hand the flap position according to the remote controller 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
55. ETBACK 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 controller will automatically adjust the set temperature to save energy FLAP button Press this button either to select the setting of the airflow direction to one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically The airflow direction can be set manually six positions S 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 gt R R GEN r SWEEP Timer and Present Time setting buttons First press the SET button to select the mode ON OFF and Present Time operation button is ON all settings are cleared settings you want Press the ACL button if the air conditioner is not Each time you press the HH button the hours advance by one operating correctly PMO PM1 PM11 AMO AM1 AM11 Each time you press the MM button the minutes advance by one when setting Present Time and by ten when setting ON and OFF Time SET button For details see SETTING THE TIMER Press this button to select the mode you want to program ACL button ALL CLEAR When you press the ACL button while the ON OFF operation button This button is for turning the air con
56. F 67 F WB 65 F WB Min DB WB DB 0 F WB WIRED REMOTE CONTROLLER A separately sold wired remote controller CZ RD515U used with this air conditioner is also available If you wish to use the wired remote control function you will need to purchase the optional wired remote controller SPECIFICATIONS Model No indoor Unit CS MKE9NBA4U CS MKE12NB4U Power Source Single phase 208 230 V 60 Hz Cooling Capacity BTU h 9 000 11 900 Heating Capacity BTU h 12 300 13 600 Operation Cooling Operation H M L dB A 33 32 31 34 32 31 EG Sound Heating Operation H M L dB A 34 33 32 35 34 32 11 5 32x22 5 8x22 5 8 11 5 32x22 5 8x22 5 8 _ _ Net Weight Ibs kg 35 3 16 0 35 3 16 0 Model No CU 3KE19NBU CU 4KE24NBU CU 4KE31NBU Power Source duca Operation em m Sound D mE 29 1 8x35 7 16x12 19 32 29 1 8x35 TEP 19 32 35 uaa Sd 19 32 740 900 320 740 900 320 890x900x320 Net Weight Ibs kg 143 3 65 0 143 3 65 0 180 8 82 0 Model No Po CZ48BTMU 18BT1U 1 9 16x24 19 32x24 19 32 Unit Dimensions HxWxD 40x625x625 Net Weight Ibs Kg 6 0 2 7 17 APPENDIX B Operating Instructions CS KE18NB4UW amp CZ 18BT1U 852 6 4181 213 00 2 2 Panasonic Operating Instructions Split System Air Conditioner Model No Indoor Units Outdoor Units For Single use CS KE12NB41 CU KE12NK1 CS
57. KE12NB4U any specified instructions or CS KE18NB4UW 1 4 6 35 mm 0 0314 0 8 mm 1 2 12 70 mm 0 0314 0 8 mm limitations Model 1 5 Additional Materials Required for Installation Refrigeration armored tape Insulated staples or clamps for connecting wire See local codes Putty Refrigeration lubricant Clamps or saddles to secure refrigerant tubing Installation Site Selection Indoor Unit ANa 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 block air flow AVOID direct sunlight nearby heat sources that may affect performance of the areas where leakage of flammable gas may be expected placing or allowing any obstructions near the air conditioner E inlet or outlet installing in rooms that contain instant on rapid start fluorescent lamps These may prevent the air conditioner Fig 1 from receiving signals e places where large amounts of oil mist exist UNI Tubing length L1 e installing in locations where there are devices that generate high frequency emissions Elevation difference H1 OUTDOOR H2 DO UNIT E L3 select an appropriate position from which every corner of H4 INDOOR INDOOR H3 the room can be uniformly cooled L4 select a location that will hold the weight of the unit Fig 2 select a location where tubin
58. M 6P in the power box Fig 18 4 Lift the main body lower section and remove it from the main body upper section Screw Screw Drain cap Main body lower section Main body lower section Screw p d Screw Fig 16 ST Main body lower section CNN A lt 2 Q Main body el O upper section N lt ANN A Screw Fig 17 Fig 18 25 6 1 7 Remove the heat exchanger sensor 1 Remove the heat exchanger sensor from the sensor holder Fig 19 Heat exchanger sensor Holder Fig 19 6 1 8 Remove the drain pump and float switch 1 Remove the 2 screws Fig 20 2 Loosen the clamp and disconnect the drain hose from the drain pump Fig 20 3 Remove the drain pump from the main body upper section Fig 20 4 Remove a nut and remove the float switch Fig 21 Drain pump Float switch Drain hose Clamp Fig 20 Fig 21 26 6 1 9 Remove the turbo fan and fan motor 1 Remove a nut and remove the turbo fan Fig 22 2 Remove the 2 screws and 3 nuts and remove the fan motor Fig 23 Turbo fan Nut Fan motor Fig 22 Fig 23 6 1 10 Remove the heat exchanger 1 Remove the 3 screws Fig 24 2 Remove the 3 screws Fig 25 3 Remove the heat exchanger from the main body upper section with the heat exchanger lifted Heat exchanger Screw Screw Main body upper section Fig 24 Fig 25 27 7 FUNCTIONS 7 1 Operation Fun
59. P terminal of the 5P FLAP wiring connector into the connector FLAP on the control box PCB Fig 8 a 11 When the connections are completed fasten the wire harness and each wiring connector with the clamps 12 Install the power box cover and control box cover 13 Install the air intake grille Refer to 3 6 How to Install the Ceiling Panel in the Installation Instructions supplied with the indoor unit B How to Test Run the Air Conditioner After turning on the power of the air conditioner use the remote controller and follow the steps below to conduct the test run 1 Set the remote controller in Test Run mode Fig 9 a Press and hold the NIGHT SETBACK button and the 1HR TIMER button b Then press and hold the ACL Reset button with a pointed object such as the tip of a pen After 5 seconds release the ACL button first Then release the NIGHT SETBACK and 1 TIMER buttons d appears and oP 1 blinking in the remote controller clock display area Fig 10 2 Start Cooling mode test run by pressing the ON OFF operation button of the remote controller Fig 9 This starts the fan producing uncooled forced air with the 3 indicator lamps OPERATION lamp TIMER lamp and HIGH POWER lamp on the main unit blinking Fig 11 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cooling mode test run is unaffected by the room tempera ture 3 Press the
60. PCB FAILURE ZERO CROSS TROUBLE iK E09 GAS LOSS PREVENTION 1 SERVICE VALVE NOT OPENED 2 INSUFFICIENT GAS DC COMPRESSOR DRIVE E10 CIRCUIT TROUBLE _ 1 OPEN PHASE 2 O D PCB FAILURE E11 1 FAN MOTOR FAILURE 2 CONNECTOR CONTACT FAILURE O D DC FAN OPERATION TROUBLE 3 PCB FAILURE O D SYSTEM COMM FAILURE MIS WIRING 2 BLOWN FUSE 5 OPEN PHASE O D FREEZING COMPRESSOR FAILURE E12 OLR OPERATION O D POWER POWER RELAY FAILURE 4 O D PCB FAILURE afo x es eere eje pepe x x BLINKING 3 SEC INTERVAL FLOAT SWICTH FS IS ACTIVED 1 DRAIN PUMP FAILURE 2 FS FAILURE 3 CHOKED DRAIN HOSE 8512 5261 99100 1 32 2 If the self diagnostics function fails to operate No indicators illuminate and the Check the indoor unit indoor fan does not rotate e Check the power voltage Blown Is the fuse blown Normal Replace the circuit Replace the controller board or the fuse 8 3 Checking the Indoor and Outdoor Units 1 Checking the indoor unit Ne Check tems unit operation Use the remote controller to operate the e The rated voltage must be present between inter unit wirings 1 and 2 unit in TEST run mode To determine Connect a 5 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 1
61. TECHNICAL amp SERVICE MANUAL Panasonic INDOOR UNIT 5 CZ 18BT1U CS MKE12NB4U amp CZ 18BT1U CS KE18NB4UW amp CZ 18BT1U DC INVERTER MULTI SYSTEM AIR CONDITIONER Capacit Indoor Model No Product Code No ddl Body Panel Body Panel 9 000BTU h CS MKE9NBAU CZ 18BT1U 1 852 361 10 1 852 361 15 11 900BTU h CS MKE12NB4U CZ 18BT1U 1 852 361 11 1 852 361 15 17 500BTU h CS KE18NB4UW CZ 18BT1U 1 852 361 07 1 852 361 15 Semi Concealed Type Indoor Unit Applicable Multi Outdoor Units gt CU 3KE19NBU 3 room multi unit CU 4KE24NBU 4 room multi unit CU 4KE31NBU 4 room multi unit lo 3 je NN WE CS MKE9NBAU Body amp CZ 18BT1U Panel CS MKE12NB4U Body amp CZ 18BT1U Panel CS KE18NB4UW Body amp CZ 18BT1U Panel Remote Controller Wired Remote Controller RAT Option REFERENCE NO SM700882 N SAFETY PRECAUTIONS e Before doing repair work please read the A SAFETY PRECAUTIONS carefully and fully understand them The precautionary items here are divided into N Warning and Caution items Items in particular which may cause death or serious injury to the service personnel if the work is not performed correctly are included in Warning table However even precautionary items ident
62. TEP 2 Press the ON OFF operation button STEP Press the FAN SPEED selector button to select the fan speed of your choice 89 9 or maa There is FAN only function at M of the S M switch NOTE on the remote controller 5 Night Setback Mode FAN SPEED MODE FLAP NIGHT SETBACK Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while unit is operating The mark appears in the display To release the night setback function press the NIGHT SETBACK button again 10 A In Cooling and DRY Mode amp and When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F when 30 minutes have passed after the selection was made and then another 2 F 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 Setting temperature Es Press the NIGHT SETBACK button In Heating Mode x When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after the selection was made and then another 4 F after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sac
63. Temperature Control Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Auto and 3 steps Airflow Direction Indoor Horizontal Vertical Auto Air Filter Washable Anti Mold Refrigerant R410A Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 3 8 9 52 Wired Remote Controller Option CZ RD515U Individual Unit Indoor Unit Dimensions amp Weight Indoor Unit _ 5 CS MKE9NBAU 4 CZ 18BT1U CS MKE9NBAU CZ 18BT1U Unit Dimensions Height 11 5 32 283 22 5 8 575 22 5 8 575 Package Dimensions Height Pe 11 13 32 290 4 1 8 105 ______ 124 13 16 630 26 3 16 665 ______ 28 18 714 Weight Net Ib kg 35 3 16 Shipping Akg ___ 41909 Shipping Volume cuft m PO 4590 13 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor Thermister Remarks Rating conditions are Cooling Indoor air temperature 80 DB 67 F WB Heating Indoor air temperature 70 F DB Outdoor air temperature 95 F DB 75 F WB Outdoor air temperature 47 DB 43 WB Indoor Unit 5 9 40 amp CZ 18BT1U lt 208V gt Voltage Rating 208V Single Phase 60Hz Total Capacity BTU h 9 000 12 300 kW 2 65 3 6 Air Circulation Hi Me Lo ft min m h 221 376 206 350 194 330 247 420 235 399 224 381 Moisture Removal High Pints
64. Z 18BT1U CS KE18NB4UW CZ 18BT1U Unit Dimensions Height 11 5 32 283 22 5 8 575 22 5 8 575 Package Dimensions Height Pe 11 13 32 290 4 1 8 105 ______ 124 13 16 630 26 3 16 665 ______ 28 18 714 Weight Net Ib kg 35 3 16 Shipping Akg ___ 41909 Shipping Volume cuft m PO 4590 13 DATA SUBJECT TO CHANGE WITHOUT NOTICE Microprocessor Thermister Remarks Rating conditions are Cooling Indoor air temperature 80 DB 67 F WB Heating Indoor air temperature 70 F DB Outdoor air temperature 95 F DB 75 F WB Outdoor air temperature 47 DB 43 WB 13 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit Body CS MKE9NB4U Control PCB CB CS MKE9NB4U Control Circuit Fuse 250V 3A Q ty Dia and Length inch mm 1 D12 5 8 L5 3 4 D322 L147 Coil Resistance Ohm Safety Device Type Internal Controller Over Current Protection Over Heat Protection Run Capacitor Miero ____________ ________________ ______________ ________________ Drain Pump Model Q ty PLD 12230ST 1 1 Rating Voltage Hz 208 240V 60Hz Input W Coil Resistance Ohm 333 10 Ambient Temp 68 F 20 C Safety Device Type Thermal Fuse Open F C 293 145 Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit Panel CZ 18BT1U Flap Motor Stepping Motor Model Q ty MP24ZN
65. ___ O Drain Pump Model Q ty PLD 12230ST 1 1 Rating Voltage Hz 208 240V 60Hz Input W Coil Resistance Ohm 333 10 Ambient Temp 68 F 20 C Safety Device Type Thermal Fuse Open F C 293 145 Heat Exchanger Coil DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit Panel CZ 18BT1U Flap Motor Stepping Motor Model Q ty MP24ZN 12V 2 DC 12V Coil Resistance Ohm Each Pair of Terminal 380 7 Ambient Temp 77 F 25 C DATA SUBJECT TO CHANGE WITHOUT NOTICE 16 2 3 Other Component Specifications Indoor Unit CS MKE9NB4A4U amp CZ 18BT1U CS MKE12NB4U amp CZ 18BT1U CS KE18NB4UW amp CZ 18BT1U Indoor air temp sensor Indoor heat exchanger sensor Model KTEC 35 S98 Model PT2M 51H S3 Resistance ohm Resistance ohm uu EIE o 01101 32 50 68 86 104 122 140 158 176 194 0 10 20 30 40 50 60 70 80 90 Temperature F 10 15 20 25 30 35 40 Temperature 17 3 DIMENSIONAL DATA CS MKE9NB4U amp CZ 18BT1U MKE12NB4U amp CZ 18BT1U CS KE18NB4UW amp CZ 18BT1U CS Indoor Unit pej ejsui y pue eu 1263000 IM 11 00 SI 109 uoisuedsns eu 1960 y UMOUS se yun y 10 JAMO y 910 JO 22 12 Bulla JO 91 2 10
66. a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply when not in use for a long time 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 e This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual AN 19 e Confirm to authorized dealer or specialist on usage of specified refrigerant type Using of refrigerant other than the specified type may cause product damage burst and injury etc Never touch the unit with wet hands Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous Do not use this appliance in a potentially explosive atmosphere 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 swallow the battery After removing the battery from remote controller keep it away from the reach of children The
67. after a while Consult your dealer Contact service center OPERATING RANGE The air conditioner is operable within the temperature ranges as listed below Temperature Indoor air Outdoor air temperature temperature COOLING Max 95 F DB 115 F DB 71 F WB 67 F DB For Single use 57 F WB F DB For Multiple use 14 F DB 80 F DB 75 F DB 67 F WB 65 F WB Min HEATING Max Min DB WB DB 0 F WB WIRED REMOTE CONTROLLER A separately sold wired remote controller CZ RD515U used with this air conditioner is also available If you wish to use the wired remote control function you will need to purchase the optional wired remote controller SPECIFICATIONS For Single use Outdoor Unit indoor Unt CU KE12NK1 CS KE12NB41 Power Source Single phase 115 V 60 Hz 3 50 0 90 3 50 kW 850 090 350 BTU h 11 900 3 000 11 900 Heating Capacity TOOT BTU h 13 600 3 000 13 600 Cooling sa La Operation Operation Indoor HIMIL prosint Sound Heating peration Indoor H M L Indoor l 21 9 16x28 11 32x10 7 16 11 5 32x22 5 8x22 5 8 Unit Dimensions HxWxD inch mm 548 720 265 283x575x575 Net Weight ibs kg 77 2 35 0 35 3 16 0 For Single use Model No Outdoor Unit Indoor Unit CU KE18NKU CS KE18NB4UW Power Source Single phase 208 230 V 60 Hz Cooling Capa
68. ake grill drop preventive hook Fig 3 Undo the 2 hinges for the grill and remove the air intake grill Latch Latch Air intake grill Hinge Fig 1 Fig 2 Fig 3 6 1 2 Disconnect the connectors in the control box 1 Remove the 2 screws and remove the control box cover Fig 4 2 Disconnect the connectors CNO4 FLAP 5P CN12 RC 4P and CN13 IND 7P Fig 5 Control PCboard CN13 CN12 Screw Control box cover Fig 4 Fig 5 21 6 1 3 Remove the ceiling panel 1 Open the clamp 4 locations and remove the 2 lead wires from the clamps Fig 6 2 Remove the 4 screws fixing the corner cover at 3 locations and indicator cover at 1 location Fig 6 3 Press the center 1 of the cover and remove the cover with the section 2 pulled down Fig 7 4 Remove the strap 3 locations from the hook on the ceiling panel Fig 8 There is no strap on the indicator cover 5 Remove the bolt 4 locations with a washer and remove the ceiling panel Fig 9 Corner cover Lead wire Pull down section 2 Cover Indicator cover Center 1 Corner cover Corner cover Fig 7 Bolt Strap Remove the strap from the hook Bolt Fig 8 Fig 9 22 6 1 4 Remove the indoor air temperature sensor 1 Disconnect the connector CNO8 ROOM 2P in the control box and remove the indoor air temperature sensor Fig 10 Indoor air temperature sensor CNO8 cy 7 tt
69. ant 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 con nections Using any previous parts from R22 based sys tems may result in damage to the equipment and may lead to the refrigeration circuit rupturing causing a seri ous 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 free connection Check carefully for leaks before starting the test run Do not leak refrigerant while piping work for an installation or re installation and while repairing refrigeration parts Handle liquid refrigerant carefully as it may cause frost bite 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 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 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
70. as desired 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 in Multiple use of COOL DRY HEAT Model 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 86 max 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 10 To stop the air conditioner press the ON OFF operation button again Choose the best position in the room for the remote controller 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 controller 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 The display on the remote controller shows the setting temperature and not the room temperature When multiple indoor units are used and units in other rooms are already operating they will be operating with the same mode
71. as the operating indoor units only for Multiple use of COOL DRY HEAT Model 3 Adjusting the Fan Speed A In Cooling and DRY Mode and A Automatic fan speed When the night setback mode is selected the air conditioner Simply set the FAN SPEED selector button to the automatically raises the temperature setting 2 F when 30 minutes position have passed after the selection was made and then another 2 F This automatically sets the best fan speed for the room 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 temperature B Manual fan speed If you want to adjust fan speed manually during operation just set the FAN SPEED selector button as desired 9 3 or 4 Fan Only Setting temperature Es SETBACK button 17 8 2 Press the NIGHT STEP 3 STEP 1 B In Heating Mode 3 only for COOL DRY HEAT Model When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after the selection was made and then another 4 F 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 If you want to circulate air without any temperatu
72. ation button on the indoor unit Perform the self diagnosis five seconds after the operation start Condition E01 What is the latest self diagnosis result Defect in d inter unit cable Condition E12 Defect in the indoor unit P C board 36 8 4 Trouble Diagnosis of Fan Motor 8 4 1 Indoor Fan Motor This indoor DC fan motor contains an internal control PCB Therefore it is not possible to measure the coil resistance and the following procedure should be used to check the motor e 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
73. ation 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 It is 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 2 Operation together with the daily ON OFF repeat timer The 1 Hour OFF Timer setting is given priority over the DAILY ON OFF REPEAT setting TIPS FOR ENERGY SAVING Avoid Do not block neither the air intake nor the air outlet It may cause less performance and may leads to malfunctions Do not 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 Do 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 ADJUSTING TH
74. atteries in remote controller have run down Trouble in system Obstruction in front of condenser coil Outdoor Unit 1 Dirty or clogged air filter Heat source or many people in room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling or too low for heating Outdoor temperature is too low for heating 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 The use of cellular phones near the air conditioner may cause disturbance to its normal operation FLOAT SWITCH is actived Restore power Contact service center Consult your electrician or dealer Replace batteries Contact service center Remove obstruction Clean air filter to improve airflow Eliminate heat source if possible Shut them to keep the heat or cold out Remove it to ensure good airflow Set the temperature lower or higher Consult your dealer or try to use another heat appliance This is normal and the sound will soon disappear Turn off the power then restart the air conditioner after a while Consult your dealer Contact service center 95 F 115 F DB 71 WB 67 F DB 14 F DB 57 F WB HEATING Max 80 F DB 75
75. battery can cause death by suffocation if swallowed When inserting the battery make sure the polarities and are correct To prevent possible hazards from insulation failure the unit must be grounded Do not clean inside the indoor and outdoor units by users Engage authorized dealer or specialist for cleaning e In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair e Refrigerant gas leakage may cause fire e For safety be sure to turn the air conditioner off and also to disconnect the power before cleaning e Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency 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 A Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured es Keep the fire alarm and the air outlet at least 1 5m away from the unit Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present Do not sit or step on the unit You may fall down K accidentally Do not stick any object into the FAN CASE Y
76. careful when you clean these parts The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Cleaning the flaps The air outlet flap can be removed and washed with water Be sure to always stop operation before removing the flap e After washing with water allow it to dry and then remount it i caution Do not move the flap with your hands When using a footstool or the like be careful not to let it tip over Cleaning the main unit and Remote Controller Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe Air filter How to remove the air intake grille The air filter collects dust and other particles from the air and should 1 Open the air intake grille be cleaned once every 6 months If the filter gets blocked the efficiency of the air conditioner drops 2 Detach the safety cord from the frame remember to attach it again after cleaning or maintenance greatly 3 Hold on the air intake grille and pull it towards you to detach the NOTE two air intake grille hinges The frequency with which the filter should be cleaned depends on 4 Clean the grille gently using a soft sponge or the like Then dry it th ti it i d with care SI dele Neutral detergent may be used to remove stubborn dirt Then rinse th
77. city 5 15 1 20 5 15 BTU h 17 500 4 000 17 500 Heating Capacity 6 00 1 30 6 00 BTU h 20 400 4 400 20 400 Cooling dB A Ft _______ Operation Operation indoor H M L prosint 44 40 36 Sound Heating dB A 2 44 40 36 peration Indoor H M L Indoor Unit Dimensions HxWxD h 26 3 8x34 21 32x11 7 32 11 5 32x22 5 8x22 5 8 Indoor unit cus ane inch mm 670x880x285 283x575x575 Net Weight Ibs kg 97 0 44 0 35 3 16 0 Model No Ceiling Panel CZ 18BT1U Unit Dimensions HxWxD eto Net Weight Ibs Kg 6 0 2 7 17 SPECIFICATIONS CONTINUED For Multiple use Model No pind Unit CS KE18NB4UW Power Source Single phase 208 230 V 60 Hz 5 15 colina g BTU h 17 500 Wo ree ee _ kW Cooling Operation Operation H M L 44 40 36 Sound Unit Dimensions HxWxD 11 5 8 Net Weight Ibs kg 35 3 16 0 For Multiple use Outdoor Unit Power Source fe ae eS Operation Cooling Operation Sound Heating Operation H MEN EM TN 29 1 8x35 7 16x12 19 32 29 1 8x35 7 16x12 19 32 35 1 32x35 7 16x12 19 32 ees 740x900x320 740x900x320 890x900x320 Net Weight lbs kg 143 3 65 0 143 3 65 0 180 8 82 0 18 APPENDIX C INSTALLATION INSTRUCTIONS CS MKE9NB4U amp CZ 18BT1U CS MKE12NB4U amp CZ 18BT1U CS KE18NBAUW amp CZ 18BT1U
78. ctions 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 ll 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 j HEAT gt STOP COOL zone GREEN RED Lamp Off tL e The set temperature is 4 F 2 C below the detected room temperature in the case of cooling operation and 4 F 2 C Conditions are monitored at all times when the room temperature is below 59 F 15 C 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 59 F 15 C or more than 5 F 3 C below the set temperature When the monitoring range is entered the compressor stops and the indoor fan operates with 1 f fluctuation above the room temperature in the case of heating operation The
79. d one by one as follows 1 2 3 4 5 6 7 8 gt L O Hed m gt Nep uo SZ SWEEP ON TIME OFF TIME setting buttons Advance button Return button No display The timer does not operate The air conditioner starts at the set time 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 CANCEL button SENSOR button When you press this button use a small tipped object such as a ballpoint pen the 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 controller 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 ADDRESS switch The address switch changes to prevent mixing of signals from remote controllers when two air conditioners are installed next to each other Normally the address switch is set Temperature display selector button to A For more information please contact the dealer where you made the purchase This switches the temperature display Normally the tabs on the remote controller should not be bent between and F Sensor A temperature sensor inside the remote controller senses t
80. ditioner on and off EG MODE selector button Use this button to select AUTO HEAT DRY COOL or FAN mode AUTO HEAT zx DRY COOL amp FAN When this setting is selected the air conditioner calculates the difference between the thermostat setting and the room temperature and automatically switches to the COOL or HEAT mode as appropriate This function is available only for Single use of COOL DRY HEAT Model The air conditioner makes the room warmer The air conditioner reduces the humidity in the room The air conditioner makes the room cooler The air conditioner works only as a circulation fan except for Multiple use of COOL DRY HEAT Model 1 HR TIMER button 1 HOUR OFF TIMER 15129 When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down TIMER SELECT button No display The timer does not operate JE v 8 Ge Sensor The air conditioner starts at the set time The air conditioner stops at the set time The air conditioner stops and starts or starts and stops at the set times every day A temperature sensor inside the remote controller senses the room temperature SENSOR button When you press this button use a small tipped object such as a ballpoint pen the iS mark will disappear at the display And the room temperature is detected by the sensor which is built into th
81. e 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 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 operation Sometimes the indoor unit may not get to the set fan speed such as LOW under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost Power failure during operation In the event of power failure the unit will stop When the power 15 resumed the unit will restart automatically in approximately 5 minutes or 15 minutes at M position of the S M
82. e air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured e Keep the fire alarm and the air outlet at least 1 5m away from the unit Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present Do not sit or step on the unit You may fall down accidentally Do not stick any object into the FAN CASE You may be injured and the unit may be damaged NOTICE This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recep
83. e remote controller and the air conditioner is controlled accordingly If the remote controller 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 The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature is reached If Night Set Back mode is selected the fan will turn off intermittently during cooling operation in order to control air flow REMOTE CONTROLLER DISPLAY Displayed when indoor unit sensor is in use Displayed when operating NIGHT SETBACK mode Displayed when setting temperature Displayed when temperature is shown Displayed when setting timer Symbols 1 Operation mode 3 Temperature setting 60 BO AUTO only for COOL DRY HEAT A Model HEAT TENTER Model 4 Timer MILD 24 hour clock with ON OFF C program ON TIMET gt OFF Timer gt O 1 hour OFF Timer 1 H R 5 NIGHT SETBACK 6 Flap angle indication Sweep indication NS When set to 80 F temperature indication 2 Fan speed Automatic operation OPERATION WITH THE REMOTE CONTROLLER 2 Man
84. e time rapidly in 10 minute increments The timer OFF indication stops blinking and the present time is displayed 3 How to set the ON time Example To start operation at 7 10 am AM _ wm S 1 Press the ON TIME setting button once 2 Press the Advance Return a button until AM 7 10 is displayed 3 Wait a few seconds and then the setting is complete 12 The timer indication is displayed and the present ON time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments The timer indication stops blinking and the present time is displayed 4 How to set daily ON OFF repeat timer Example To start operation at 7 10 am and stop the air conditioner at 11 00 am 10 30 pm 11 00 am Present time OFF Dd LL Operation 1 Set the timer ON OFF times Indication The present time 10 30 pm and OY are displayed as shown in 2 1 2 3 and 3 1 2 3 NOTE The ON OFF combination timer uses the current time as the reference and it is activated starting from whichever set time comes first e 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 e
85. eed is 1 step above High Page SPECIAL REMARKS 11 SE THNG THE TIE muera pod 11 USING THE 1 HOUR OFF TIMER 13 TIPS FOR ENERGY SAVING 13 ADJUSTING THE AIRFLOW DIRECTION 13 OPERATION WITHOUT THE REMOTE CONTROLLER 14 GARE AND CLEANING 14 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 16 OPERATING RANGE assess dc 16 WIRED REMOTE CONTROLLER 16 een 17 SAFETY PRECAUTIONS The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance AN This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage 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 extrem
86. ely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed Avoid 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 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details 2 Each unit must be properly grounded with a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply when not in use for a long time 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 e This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual AN 19 e Confirm to authorized dealer or specialist on usage of specified refrigerant type Using of refrigerant other than the specified type may cause product damage burst and injury etc Never touch the unit with wet hands Never use or store gasoline or other flammable vapor or liquid near the air
87. ends of the supplied drain hose Fig 6 5 lt Drain hose 3 On the unit drain side grasp the hose band with pliers supplied and insert the drain hose all the way to the base e lf other commercially available hose bands are used the Hose band 25 25 drain hose may become pinched or wrinkled and there is ddl 5 1 2 140mm sil danger of water leakage Therefore be sure to use the Unit supplied hose bands When sliding the hose bands be Fig 6 5 careful to avoid scratching the drain hose e Do not use adhesive when connecting the supplied drain hose to the drain port either on the main unit or the PVC e Attach so that the hose band pipe fastener is on the side of the drain port Reasons It may cause water to leak from the connec e Attach the hose bands so that tion Since the connection is slippery just each is approximately 3 16 after the adhesive has been applied the 5 mm 5 16 25 from pipe easily slips off the end of the supplied drain b The pipe cannot be removed when mainte hose nance is needed 4 Wrap the hose with the supplied drain hose insulation __ hir bleeder prohibited and use the 4 twist ties so that the hose is insulated with no gaps e Do not bend the supplied hose 90 or more The hose may slip off Fig 6 6 Make sure the drain pipe has a downward gradient 1 100 more and that there are no water
88. erminal strip Fig 4 Indoor Unit Indoor Unit Short circuit between the terminals 2 and 3 on the indoor unit Fig 4 Fig 5 terminal board Fig 5 1 Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit 2 Perform the self diagnosis five seconds after the operation start Condition E12 Defect or connection error What is the latest self diagnosis result in the inter unit cable Condition E01 Defect in the indoor unit P C board 35 3 2 Condition E12 Troubleshooting Serial Communication Outdoor Unit Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF Disconnect the cable from the terminal 3 on the Outdoor unit terminal strip Fig 6 Indoor Unit Fig 6 Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit Perform the self diagnosis five seconds after the operation Start Condition E01 What is the latest self diagnosis result gt Defect in the outdoor unit P C board Condition E12 Outdoor Unit Turn off the power and wait until the power lamp LED of the outdoor unit controller is turned OFF Disconnect the cable from the terminal 3 on the indoor unit terminal strip Fig 7 Indoor Unit Fig 7 Turn ON the power and operate the system using the remote controller or the oper
89. es or flammable gases or in an extremely humid space such as a greenhouse Do not install the wired remote controller where excessively high heat generating objects are placed Avoid 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 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details 2 Each unit must be properly grounded with a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician Pull off the power plug from a receptacle or switch off the breaker or switch off the power disconnecting mean to isolate the air conditioner from the main power supply when not in use for a long time 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 AN 19 Confirm to authorized dealer or specialist on usage of specified refrigerant type Using of refrigerant other than the specified type may cause product damage burst and injury etc e Never touch the unit with wet hands e Never use or store
90. eter 2 The antenna cable for a television or 2 Static occurs in the radio sound away from wireless devices and antenna cables radio is located close to the A C and A C Change the wireless device s antenna to a high wiring sensitivity antenna 3 Locations where television and radio Change the antenna cable to a BS coaxial cable signals are weak ue Use a noise filter for the wireless device Use a signal booster 38 APPENDIX Operating Instructions 5 amp CZ 18BT1U CS MKE12NB4U amp CZ 18BT1U 852 6 4181 219 00 2 A 1 Panasonic Operating Instructions Split System Air Conditioner Model No Indoor Units Outdoor Units CS MKE9NB4U CU 3KE19NBU CS MKE12NB4U CU 4KE24NBU CU 4KE31NBU Ceiling Panel CZ 18BT1U This air conditioner uses the refrigerant R410A Li Ld Before operating the unit read these operating instructions thoroughly and keep them for future reference Panasonic Corporation 1006 Kadoma Kadoma City Osaka Japan 85264181219002 CV6233187594 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 e Microprocessor Controlled Operation The interior compartment of the remote controller contains several features to facilitate automatic operation easy logically displayed for easy use
91. exchanger reaches 68 F 20 C or higher or until the room temperature reaches 59 F 15 C or higher 1 It is applied only to CS MKEQNB4U and CS MKE12NBAU This function is enabled when the automatic operation is being performed and the Automatic Fan Speed has been selected The fan speed might be increased during the automatic operation However it is not the abnormal condition TC1 CS KE18NB4UW gt 104 F 40 C CS MKE9NBAU CS MKE12NB4U 91 F 33 C 35 6 F 2 C or less 35 6 F 2 C to 53 6 F 12 C 53 6 F 12 C or more TO2 TOS 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8 1 Precautions before Performing Inspection or Repair After checking the self diagnostics monitor turn the power OFF before starting inspection or repair e 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 Clock display Follow the procedure below to perform detailed
92. 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 This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instruc tions 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 6 Sabre saw or key hole saw 11 Tube cutter 2 Phillips head screwdriver 7 Hacksaw 12 Tube flaring tool 3 Knife or wire stripper 8 Core bits 13 Torque wrench 4 Tape measure 9 Hammer 14 Adjustable wrench 5 Carpenter s level 10 Drill 15 Reamer for deburring 1 2 Accessories Supplied with Unit Table 1 one C Figure Qty Remarks For temporarily For full scale Washer suspending indoor Truss head screw Qu veu gt installation unit from ceiling diagram For wide Ser BTS y narrow tube Drain hose EN EB roe 15 connection 5 1 2 L140 For wide Insulation tape eJ 2 narrow tube Hose band 3 32 12 flare nut connection For flare drain Truss Vinyl tie insulating Tapping screw 5 32 x 5 8 connection 4x16mm Drain hose For drain tube 5 32 x 15 32 JD Packed in the
93. flap and fan speed settings are AUTO E AUTO cooling heating operation e Selecting the operation mode 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 gt COOL Room temp lt 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 Example of operation in AUTO mode with the set room temperature PAM o control ab parle n order to further improve inverter performance control is Room temp switched between PWM control at low operation speeds and PAM control at high operation speeds making the most effective use of power Set temp Compressor OFF 28 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 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 30 min 5 min V Start End NOTE When HIGH POWER operatio
94. function is available only for Single use of COOL DRY This function saves energy by controlling operation to provide a HEAT Model quieter operating sound than normal Hot Start Heating System Automatic and 3 step Fan Speed Right from the start the air is warm and comfortable This system Auto High Medium Low prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting This function is available only for COOL DRY HEAT Model e Since the wired remote controller is designed to be commonly used for various air conditioners some of the functions of the wireless remote controller supplied with the indoor unit cannot be used e Single use means that only one indoor unit is connected with one outdoor unit in a one unit to one unit configuration e Multiple use i e Flexi Multi system means that two or more indoor units are connected with one outdoor unit in a multiple unit to one unit configuration CONTENTS Page FEATURE c 2 PRODUCT INFORMATION e C 2 SAFETY PRECAUTION mr 2 INSTALLATION LOCATION 3 ELECTRICAL CUT sac as 3 SAFETY INSTRUCTIONS A YAA 3 REMOTE CONTROLLER 4 OPERATION WITH THE
95. g and drain hose have the shortest run to the outside CAUTION allow room for operation and maintenance as well as Air delivery will be degraded if the distance unrestricted air flow around the unit Fig 1 from the floor to the ceiling is greater than install the unit within the maximum elevation difference 10 ft 3 m H1 H2 H3 H4 above or below the outdoor unit and within a total tubing length L1 L2 L3 L1 L2 L3 L4 from the outdoor unit as detailed in Table 3 and Fig 2 install the indoor unit more than 3 3 1 away from any antenna or power lines or connecting wires used for tele vision radio telephone security system or intercom Electrical noise from any of these sources may affect operation install in a sturdy manner to avoid increased operating noise Table 3 Max Max Allowable Total Limit of Limit of Elevation Required Amount Allowable Tubing Length Total Tubing Length Difference of Additional Model Tubing Length at Shipment L1 L2 L3 or H1 H2 H3 H4 Refrigerant Per Unit L1 L2 L3 or L1 L2 L3 L4 ft oz ft ft L1 L2 L3 L4 ft ft CU 3KE19NBU 82 150 L1 L2 L3 150 L1 L2 L3 50 CU 4KE24NBU 150 L1 L2 L3 L4 200 L1 L2 L3 L4 CU 4KE31NBU 150 L1 L2 L3 L4 230 L1 L2 L3 L4 If total tubing length becomes 150 to 200 ft Max or 150 to 230 ft Max charge additional refrigerant R410A by 0 22 oz ft No additional charge of compressor oil is nece
96. he bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number 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 e 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 Page ae 11 SETTING THE TIMER aiia cvcaccuensdagoicessedctebedncaeanseddacecesdaees 11 USING THE 1 HOUR OFF TIMER 13 TIPS FOR ENERGY SAVING 13 ADJUSTING THE AIRFLOW DIRECTION 13 OPERATION WITHOUT THE REMOTE CONTROLLER 14 CARE AND CLEANING idest na 14 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 16 OPERATING 2 16 WIRED
97. he fan speeds OFFS e High fan speed AM TAA TATA ee Medium fan speed PM 0 00 0 L0 Low fan speed A 7 2 33 FLAP button Press this button either to select the setting of the airflow direction to the auto POWER 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 1 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 73 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 gt L O Hed m gt Nep uo SZ SWEEP ON TIME OFF TIME setting buttons Advance button Return button No display The timer does not operate The air conditioner starts at the set time The air conditioner stops at the set time orro The air conditioner stops and starts or starts and stops at the set times every day For details see SETTING THE TIMER CANCEL button SENSOR button When you press this button use a small tipped object such as a ballpoint pen the mark will appear at the display And the room temperature is detected by the sensor which
98. he room temperature ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER EG When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down Temperature setting buttons TEMP Press the 12 button increase the set temperature Press the Cv button to reduce the set temperature The temperature setting changes by 1 or 2 each time one of the TEMP buttons is pressed MODE selector button Use this button to select AUTO HEAT DRY COOL or FAN mode AUTO 2 When this setting is selected the air conditioner calculates the difference between the thermostat setting and the room temperature and automatically switches to the COOL or HEAT mode as appropriate except at M of the S M switch HEAT The air conditioner makes the room warmer AIR CONDITIONE DRY Theair conditioner reduces the humidity in the room COOL s The air conditioner makes the room cooler FAN The air conditioner works only as a circulation fan except at M of the S M switch 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 controller will automatically adjust the set temperature to save energy CLOCK button Time display selector button This sw
99. he units before installing the ceiling panel Refer to 3 8 Wiring Instructions for Inter unit Connections 1 Turn on the power Here power refers to the power supply 4 from the outdoor unit 100mm 2 Slowly pour approx 16 ounces 500 ml of water into the drain pan to check drainage Fig 6 10a 3 Remove the 2 screws from the control box cover then open Plastic container C 2 Drain pan outlet the cover Be careful not to drop the cover at this time for water intake Water 4 Disconnect the FS 3P connector red on the control PCB and operate the drain pump Fig 6 10b Check the water flow Fig 6 10a through the transparent drain pipe and see if there is any leakage Control box 5 When the check of drainage is complete reconnect the FS 3P connector and remount the control cover The drain pump will continue to CAURON operate for a minimum of 6 min utes after the FS 3P connector is reconnected must be within the range of 1 2 13mm to 23 32 18mm Fig 6 11 If not within this range malfunction or other trouble may occur 3 6 How to Install the Ceiling Panel Checking the unit position IT Fig 6 10b 1 Check that the ceiling hole is 23 5 8 600 mm x 23 5 8 5 600 mm Fig 6 11 2 Confirm that the position of the indoor unit and the ceiling as shown in the diagram If the positions of the ceiling sur face and unit do not match air leakage water leakage
100. ies outside the European Union These symbols are only valid in the European Union If you wish to discard these items please contact your local authorities or dealer and ask for the correct method of disposal Note for the battery symbol bottom two symbol examples This symbol might be used in combination with a chemical symbol In this case it complies with the requirement set by the Directive for the chemical involved S M Single Multiple switch Initially the S M switch is set to 5 Single Set this switch to 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 operating with the same mode as the operating indoor units HOW TO USE THE REMOTE CONTROLLER When using the remote controller always point the unit s transmitter head directly at the air conditioner s receiver Air Conditioner Indoor unit Receiver Transmitter head Remote Controller 7 REMOTE CONTROLLER INSTALLATION POSITION The remote controller may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly do not install the remote controller in the following places In direct sunlight Behind a curtain or other places where it is covered More than 26 ft
101. ified as Caution also have the potential for serious consequences if not performed correctly Important safety precautions are described for all items in both categories Be sure to carefully follow all of them Symbol Indication AN This symbol indicates items to which we need to pay attention In this triangle a definite precautionary item is described Q This symbol indicates the item to be prohibited In or close to this circle a prohibited item is described This symbol indicates the items requiring special attention or instruction In or close to this circle a prohibited item is described e After doing repair work perform a test run to confirm that there are no abnormalities At the same time explain the precautions in use to the user N Warning Before performing an overhaul disconnect the power plug or power cable from the unit Performing the work with the power supplied to the unit may cause an electric shock When repair work or circuit inspection that requires power supply for the air conditioner is to be performed do not touch the charging section Doing so may cause an electric shock For the step up capacitor attached to the electric section perform the repair work after sufficiently discharging it Insufficient capacitor discharge may cause an electric shock Do not perform repair work on the electric sections with wet hands Doing so may cause an electric shock Do not start or stop the air conditi
102. ight Setback Mode FAN SPEED MODE C FLAP NIGHT SETBACK Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while unit is operating The mark appears in the display To release the night setback function press the NIGHT SETBACK button again A In Cooling and DRY Mode amp and When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F when 30 minutes have passed after the selection was made and then another 2 F 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 Setting temperature Ly Press the NIGHT SETBACK button 10 B In Heating Mode ae When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after the selection was made and then another 4 F 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 temperature Press the NIGHT SETBACK button FAN SPEED MODE FLAP NIGHT SETBACK HIGH POWER mode can be used to increase the output of the indoor unit for all ope
103. ignal that the remote controller address has been changed FLAP NIGHT SETBACK Finally press the remote controller ACL Reset button to cancel the blinking oP 7 display TIMER a Fig c Changing of the second remote controller address is CANCEL now completed SENSOR 12H49 24H ADR ACL ACL Reset Eg button Fig 39 16 7 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 8 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 cable and inter unit cables are not connected anywhere along their paths The ground wire is securely connected Thermal insulation has been applied to the tubing 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 17 APPENDIX D Operating Instructions CZ RD515U 852 6 4181 230 00 1 4 Panasonic Operating Instructions Wired
104. ilure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring 009090900990999099099009009900900909090990900909990000009990090909900090909900000990000090900099009090000909000099099000090909009009900009909090009909900099 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 To prevent possible hazards from insulation failure the unit must be grounded When Transporting 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Be careful when picking up and moving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing 090909009909900909990990099099000909900000990000090990000900090000999000009
105. ing timer Displayed when the time display is set to 12 hour time Symbols 1 Operation mode 4 Timer A 24 hour clock with ON OFF program Timer HA ON Timer a ONO MIEDO DRY OFF Timer OFF M 1 hour OFF Timer 5 NIGHT Automatic operation 6 Confirmation of transmission 7 Auto flap indication A 7 Flap angle indication Sweep indication 3 Temperature setting 60 86 F When set to 80 F temperature indication 8 High power operation REMOTE CONTROLLER Transmitter When you press the buttons on the remote controller the mark appears in the display to transmit the setting changes to the receiver in the air conditioner Display Information on the operating conditions is displayed while the remote controller is switched on If the unit is turned off FLAP setting and FAN SPEED setting are not displayed HIGH POWER button 7 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 rm rm lt gt FAN SPEED selector button UN UN DY The air conditioner automatically decides t
106. instructions on the label and change the switch on the reverse side of A the remote controller unit to Cool Dry model Fig 1 QO terminal on the Printed The remote controller is also set to Single at the time of Circuit Board with a metal rod a screwdriver edge nor shipment from the factory For multiple use set the bare hand when power is supplied A switch on the reverse side of the remote controller unit to Multi Fig 1 After all work is completed if any switches have been changed then be sure to press the ACL Reset button Refer to Fig 9 on page 4 to locate the ACL Reset but ton Press the ACL Reset button after changing switch settings Fig 1 85264190592000 2011 CV6233187884 A Installing with in wall junction box 1 2 3 Install the junction box locally purchased into the wall Figs 2 a and 3 Pass the wire harness through the junction box and conduit Fig 3 Insert a flathead screwdriver into the 5 tab locations and disconnect the back plate of the remote controller by lifting up slightly Fig 2 b The tabs are thin take care not to chip them Pass the wire harness connector through the cord open ing on the back plate of the remote controller Use nippers or a similar tool to cut out the slots for the remote controller back plate screws Insert the spacers and use the machine screws to install the remote
107. ion which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help e FCC Caution To assure continued compliance follow the attached installation instructions Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment NAMES OF PARTS INDOOR UNIT Air Outlet 4 locations Refrigerant Tubes OUTDOOR UNIT Drain Hose Air Outlet 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 controller Air from the room is drawn into this section and passes through air filters which remove dust Conditioned air is blown out of the air conditioner through the air outlet Remote The remote controller controls power ON OFF Controller operation mode selection temperature fan speed timer setting and air sweeping
108. is built into the indoor unit and the air conditioner is controlled accordingly If the remote controller 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 ADDRESS switch The address switch changes to prevent mixing of signals from remote controllers when two air conditioners are installed next to each other Normally the address switch is set Temperature display selector button to A For more information please contact the dealer where you made the purchase This switches the temperature display Normally the tabs on the remote controller should not be bent between and F Me aad Sensor A temperature sensor inside the remote controller senses the room temperature ON OFF operation button This button is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER EG When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and then shuts down Temperature setting buttons TEMP Press the 12 button increase the set temperature Press the Cv 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 MODE selector button Use this button to select AUTO HEAT DRY or COOL mode AUTO When this setting is selected the air conditio
109. isplayed To cancel the setting press the TIMER SELECT button three times 4 How to set daily ON OFF repeat timer Example To start operation at 7 10 am and stop the air conditioner at 11 30 pm E4 950 4 Z4 99 amp OJPM 0 00 0 Present time OFF TIME ED SENE d amp 1 AM rt E4 950 4 CO OPM Z4 LA ONTIME Programmed daily ON OFF 9 10 pm 7 10 am 11 30 pm Present time ON OFF _ Bem m Set the timer ON OFF times as The present time PM 9 10 and shown in 2 and 3 are displayed To cancel the setting press the TIMER SELECT button once You can check the timer ON OFF times after you have set them by pressing the SET button 5 Backup function Even if the main power supply to the unit is turned off the remote controller will store the previous settings in its internal memory for up to 8 hours If the power is not turned back on within 8 hours the previous settings will be lost In this case the mode settings must be reset by the user USING THE 1 HOUR OFF TIMER 1 1 Hour OFF Timer 5 E iy 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 a
110. it until the power lamp LED No of the outdoor unit controller is turned OFF 2 Disconnect the cable from the terminal 3 on the indoor unit terminal strip Fig 2 3 Turn ON the power Yes A B Continued to the next page A Continued to the next page B 34 Continued from the previous page A Continued from the previous page B Is the voltage of about DC22V to 24V given between the terminals 2 and 3 on the indoor unit terminal strip Serial Communication Line Yes Defect or connection error Defect in the indoor unit in the inter unit cable board Turn OFF the power and wait until the power lamp LED Outdoor Unit of the outdoor unit controller is turned OFF Short circuit between the terminals 2 and 3 on the outdoor unit terminal strip Fig 3 Indoor Unit Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit Fig 3 Perform the self diagnosis five seconds after the operation start Condition E12 Defect in the outdoor unit E gt What is the latest self diagnosis result 4 PO board Condition EO1 Outdoor Unit Outdoor Unit Turn off the power and wait until the power lamp LED j of the outdoor unit controller is turned OFF Remove the short circuit between the terminals 2 and 3 on the outdoor unit terminal strip Disconnect the cable from the terminal 3 on the indoor unit t
111. itches the time display between 24 hour time and 12 hour time ACL button ALL CLEAR Puts the remote controller into pre operation status Always press this button after replacing the batteries and setting the S M switch TT NOTE Cover closed The illustration above pictures the remote controller after the cover has been opened The remote controller sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote controller stops for more than 15 minutes due to the loss of the remote controller 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 controller may differ from the temperature detected at the air conditioner s position The indoor fan runs continuously when the system is in normal operation It does not turn off when the desired room temperature is reached If Night Set Back mode is selected the fan will turn off intermittently during cooling operation in order to control air flow USING THE REMOTE CONTROLLER HOW TO INSTALL BATTERIES TIMER CANCEL CLOCK SENSOR ADR C4P F 12 4 24H ACL ACL button 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 co
112. lamps blink or remain ON for 5 seconds then turn OFF for 2 seconds C Self diagnostics is completed when the buzzer sounds 3 short beeps CANCEL A maximum of 3 self diagnostics reports are displayed for 5 seconds each beginning with the most recent report Following this display the lamps turn OFF In order to view the self diagnostics results again press the ON OFF button again The 3 lamps remain OFF if no trouble has occurred A JEHO lt IMPORTANT gt 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 31 1 Self diagnostics Lamps OPERATION button OPERATION lamp e TIMER lamp HIGH POWER lamp 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 BLINKING i7 ON HIGH Bowen 75 CODE DIAGNOSIS CONTENTS POSSIBLE MALFUNCTION 1 OPEN OR SHORT CIRCUIT IN SENSOR S01 ROOM TEMP SENSOR TROUBLE 2 POOR CONTACT AT CONNECTOR OR OPEN I D HEAT EXCHANGER TEMP CIRCUIT AT TERMINAL PRESS FIT LOCATION 502 SENSOR TROUBLE 3 I D PCB FAILURE I D INDOOR COMPRESSOR TEMP SENSOR 1 OPEN OR SHORT CIRCUIT IN SENSOR 504 TROUBLE 2 POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT TERMINAL PRESS FIT LOCATION S05 eee TEMP
113. ller the mark e appears in the display to transmit the setting changes to the receiver in the air conditioner Display Information on the operating conditions is displayed while the remote controller is switched on If the unit is turned off FLAP setting and FAN SPEED setting are not displayed HIGH POWER button AIR CONDITIONER 2 If this button is pressed during HEAT DRY COOL or FAN operation the unit operates at maximum output for 30 minutes regardless of A39 585899 m the desired temperature 7 SET TEMP The fan speed is 1step above HIGH ji DP lt gt F FAN SPEED selector button LU L c 98 The air conditioner automatically decides the fan speeds OFFO ee High fan speed AM T7434 000 Medium fan speed PM 2 020 LOL 4 Low fan speed Qa A gt 333 FLAP button Press this button either to select the setting of the airflow direction to the auto POWER 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 1 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 73 The flap moves up and down automatically When you press the FLAP button the air flow direction will be change
114. mpartment 3 Use a thin object such as the tip of a pen to press the ACL button The batteries last about six months depending on how much you use the remote controller Replace the batteries when the remote controller s display fails to light or when the remote controller cannot be used to change the air conditioner s settings Use two fresh leak proof type AAA alkaline batteries In replacing batteries follow the instructions as mentioned in the subsection HOW TO INSTALL BATTERIES If you do not use the remote controller more than 1 month take out the batteries Dispose of the used batteries at the designated location in compliance with the applicable local ordinances N cee Information for Users on Collection and Disposal of Old Equipment and used Batteries Information on Disposal in other Countries outside the European Union These symbols are only valid in the European Union If you wish to discard these items please contact your local authorities or dealer and ask for the correct method of disposal Note for the battery symbol bottom two symbol examples This symbol might be used in combination with a chemical symbol In this case it complies with the requirement set by the Directive for the chemical involved S M Single Multiple switch Initially the S M switch is set to 5 Single Set this switch to Multiple for multiple operation e Always press ACL button by a thin
115. n again the unit continues to operate for one hour from that point in time and then stops It is 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 2 Operation together with the daily ON OFF repeat timer The 1 Hour OFF Timer setting is given priority over the DAILY ON OFF REPEAT setting TIPS FOR ENERGY SAVING Avoid Do not block neither the air intake nor the air outlet It may cause less performance and may leads to malfunctions Do not 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 Do 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 ADJUSTING THE AIRFLOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with your hands Confirm that the remote controller has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings FANSPEED C FLAP NIGHT SETBACK PE
116. n 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 Lamp colors OPERATION lamp HEAT operation Red DRY operation Orange COOL operation Green FAN operation Green DEFROSTING operation Red and Orange alternately OPERATION lamp Green TIMER lamp Green HIGH POWER lamp Green 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 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 on the remote controller The main unit display lamp also becomes dimmer e COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F 1 C when 30 minutes have passed after the selection was made and then another 2 F 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 2 F 1 C Setting temperature 2 F 1 J ER gt Press the NIGHT 30 min 30 time SETBACK button HEAT mode When the night setback mode
117. ner calculates the difference between the thermostat setting and the room temperature and automatically switches to the COOL or HEAT mode as appropriate HEAT The air conditioner makes the room warmer AIR CONDITIONE DRY 4 The air conditioner reduces the humidity in the room COOL The air conditioner makes the room cooler 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 controller will automatically adjust the set temperature to save energy CLOCK button Time display selector button This switches the time display between 24 hour time and 12 hour time ACL button ALL CLEAR Puts the remote controller into pre operation status Always press this button after replacing the batteries Cover closed The illustration above pictures the remote controller after the cover has been opened The remote controller sends the temperature signal to the air conditioner regularly at five minute intervals If the signal from the remote controller stops for more than 15 minutes due to the loss of the remote controller 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 controller may differ from the temperature detected at the air conditioner s position
118. nt address it is necessary to change the address on the second remote controller Once changed you cannot restore the original address setting of the air conditioner 1 2 S a 7 owitch on the power source Break the address setting tab marked A on the second remote controller to change the address Fig 37 When the tab is removed the address is automatically set to B Fig 38 Press and hold the remote controller HIGH POWER button and 1HR TIMER button Then press and hold the ACL Reset button with a pointed object such as the tip of a pen After 5 Fig 38 seconds release the ACL button first then release the HIGH POWER and 1HR TIMER but tons oP 1 Test Run appears blinking in the remote controller clock display area Each time the 1HR 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 39 ACL button AIR CONDITIONER Test run mode 4 Self diagnostic mode Operation 4 Address setting mode button HIGH POWER button o 7 has now been selected for address setting EMP 1HR Press the ON OFF operation button on the remote TIMER controller Fig 39 Check that the beep signal button received sound is heard from the second indoor FANSPEED unit approximately 5 times The sound you hear is the s
119. 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 operating with the same mode as the operating indoor units HOW TO USE THE REMOTE CONTROLLER When using the remote controller always point the unit s transmitter head directly at the air conditioner s receiver Air Conditioner Indoor unit Receiver Transmitter head Remote Controller 7 REMOTE CONTROLLER INSTALLATION POSITION The remote controller may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly do not install the remote controller in the following places In direct sunlight Behind a curtain or other places where it is covered More than 26 ft 8 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 noise e Where there is an obstacle between the remote controller and air conditioner since a check signal is sent from the remote controller every 5 minutes MOUNTING THE REMOTE CONTROLLER Before mounting the remote controller 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
120. on the air intake grille and pull it towards you to detach the NOTE two air intake grille hinges The frequency with which the filter should be cleaned depends on 4 Clean the grille gently using a soft sponge or the like Then dry it th ti it i d with care SI dele Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and dry it How to remove the filter gy y EG 1 Slide the two latches of the air intake grille with your thumbs in the direction of the arrow to open the grille Air intake grille hinge Air intake grille Z 20 lt Latch Ceiling Air intake grille hinge panel Safety cord 2 Open the air intake grille downward When cleaning the air filter never remove the safety cord If it is N necessary to remove it for servicing and maintenance inside be sure to reinstall the safety cord securely hook on the grille side after the work When the air intake grille has been opened rotating parts such as the fan electrically charged areas etc will be exposed in the unit s opening Bear in mind the dangers that these parts and areas pose and proceed with the Air intake grille 3 Press the tabs on both sides of the air filter indicated with lt work carefully marks on the grill to release the filter and then lift and pull the Periodically check the outdoor unit to filter up and out using the tabs to remove it see if the air
121. on within FAN the range used during the heating cooling or dehumidifying operation 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 controller Use the FLAP button the remote controller to adjust the position of the flap If you move the flap by hand the flap position according to the remote controller 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 APPENDIX E INSTALLATION INSTRUCTIONS CZ RD515U 852 6 4190 592 00 0 INSTALLATION INSTRUCTIONS Panasonic Wired Remote Controller IMPORTANT In order to install this wired remote controller onto a wall mounted model the connection kit CZ RC515U or CZ RC515UA which must be purchased separately is required Once the wired remote controller is connected the wireless remote controller cannot be used B Parts supplied with the remote controller Table 1 See Table 1
122. oner by means of connecting or disconnecting the power plug Doing so may cause an electric shock or fire When conducting repair work only use components included in the parts list for the corresponding unit and perform the work with the appropriate tools Incorrect or poor repair work may cause an electric shock or fire Never modify the unit Doing so may cause an electric shock or fire Perform all electric work according to local applicable regulations related to electrical equipment or interior wiring regulation and make sure to use the exclusive circuit Insufficient capacity to the electric circuit or defective arrangement results may cause an electric shock or fire Make sure to replace any power cable or lead wire showing any signs of scratch or deterioration Failure to do so may cause an electric shock overheating or fire Make sure that there is no dust on or slack in the power plug and insert fully into the socket Dust or incomplete connections may cause an electric shock or fire Do not damage or process the power cord as it may cause an electric shock or fire For the wiring between the indoor unit and outdoor unit securely fix the specified cable onto the terminal plate Poorly fixed wiring may cause a heat or fire After connecting the wiring between the indoor unit and outdoor unit attach the terminal cover securely Incomplete attachment of the terminal cover may cause overheating or fire Prohibit Prohibit
123. ons on the unit 2 Align the panel installation holes and the unit screw holes Fig 6 18 3 Tighten the supplied special screws at the 4 panel installation locations so that the panel is attached tightly to the unit e Check that the wiring connectors are not caught between the unit and the ceiling panel 4 Check that the panel is attached tightly to the ceiling Fig 6 19 e Atthis time make sure that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface e If there is a gap between the panel and the ceiling leave the ceiling panel attached and make fine adjustments to the installation height of the unit to eliminate the gap with the ceiling f the screws are not sufficiently tightened trouble such as that shown in the figure below may occur Be sure to tighten the screws securely f a gap remains between the ceiling surface and the ceiling panel even after the screws are tightened adjust the height of the unit again Air leakage Air leakage from ceiling surface S z 0 Staining S 0 Condensation water leakage Adjust so that there are no gaps Fig 6 20 10 DPress UM q 2 Pull up Fig 6 16 Temporary latches Temporary latch Fig 6 17 Refrigerant tubing joint DRAIN mark Panel installation hole 4 locations Special screws Fig 6 18 Do not all
124. ooling or heating Then the air conditioner continuously operates under the mode selected at initial operation AIR CONDITIONER AM 159 0402 STEP 2 MODE STEP 1 FLAP NIGHT SETBACK 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 Press the MODE selector button to A Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again NOTE change the temperature setting press the temperature setting buttons and change the setting to the desired temperature 2 Manual Operation O EN HIGH 1 EG POWER STEP 2 STEP 3 FAN SPEED MODE STEP 4 C D CS STEP 1 FLAP NIGHT SETBACK 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 Press the MODE selector button and select the desired mode For heating operation For dehumidifying operation For cooling operation STEP 2 To start the air conditioner press the ON OFF operation button STEP 3
125. or Thermister Remarks Rating conditions are Cooling Indoor air temperature 80 DB 67 F WB Heating Indoor air temperature 70 F DB Outdoor air temperature 95 F DB 75 F WB Outdoor air temperature 47 DB 43 WB 11 2 1 3 Indoor Unit CS KE18NB4UW amp CZ 18BT1U lt 230V gt Semi Concealed Type Indoor Unit Voltage Rating 230V Single Phase 60Hz Total Capacity BTU h 17 500 20 400 kW 5 15 6 0 Air Circulation Hi Me Lo ft min m h 341 579 294 500 253 430 383 651 324 551 265 450 Moisture Removal High Pints 4 89 Available Voltage Range Running Amperes Power Input gt 187 to 253 0 15 NO N Electrical Rating Performance Controls Temperature Control Control Unit Wireless Remote Control Unit Timer 24 Hour ON or OFF Timer 1 Hour OFF Timer Fan Speeds Indoor Auto and 3 steps Airflow Direction Indoor Horizontal Vertical Auto Air Filter Washable Anti Mold Refrigerant R410A Refrigerant Tubing Connections Flare Type Refrigerant Narrow tube inch mm 1 4 6 35 Tube Diameter Wide tube inch mm 1 2 12 7 Wired Remote Controller Option CZ RD515U Individual Unit Indoor Unit Dimensions amp Weight Indoor Unit Body Panel CS KE18NB4UW amp CZ 18BT1U CS KE18NB4UW CZ 18BT1U Unit Dimensions Height 11 5 32 283 22 5 8 575 22 5 8 575 Package Dimensions Height Pe 11 13 32 290 4 1 8 105 ______ 124 13 16 630 26
126. oroughly with water and dry it How to remove the filter gy y EG 1 Slide the two latches of the air intake grille with your thumbs in the direction of the arrow to open the grille Air intake grille hinge Air intake grille Z 20 lt Latch Ceiling Air intake grille hinge panel Safety cord 2 Open the air intake grille downward When cleaning the air filter never remove the safety cord If it is N necessary to remove it for servicing and maintenance inside be sure to reinstall the safety cord securely hook on the grille side after the work When the air intake grille has been opened rotating parts such as the fan electrically charged areas etc will be exposed in the unit s opening Bear in mind the dangers that these parts and areas pose and proceed with the Air intake grille 3 Press the tabs on both sides of the air filter indicated with lt work carefully marks on the grill to release the filter and then lift and pull the Periodically check the outdoor unit to filter up and out using the tabs to remove it see if the air outlet or air intake is clogged with dirt or soot Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker
127. ou may be injured and the unit may be damaged This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution To assure continued compliance follo
128. outlet or air intake is clogged with dirt or soot Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker e Clean the air filter and replace it in its original position e Outdoor unit internal components must be checked and cleaned periodically Contact your local dealer for this service EN NSS J Air filter A 4 NSS 4 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 5 Insert the filter correctly again inside the grille close the grille letting the latches slide towards the outside and fix again the latch 15 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 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 Restore power Air conditioner does not run at all OPERATION lamp blinks and air conditioner does not operate Compressor runs but soon stops Poor cooling or heating performance Clicking sound is heard from the air conditioner OPERATION lamp lights but outdoo
129. ow D Ceiling surface Ceiling panel Fig 6 19 The height of the unit can be adjusted from the ceiling panel corner hole with the ceiling panel attached to an extent that does not affect the unit levelness the drain hose or other elements 3 6 3 Wiring the Ceiling Panel and the Indicator SSS 1 Remove the 2 screws from the control box cover then open i the cover Be careful that the cover does not fall 2 Connect the 5P FLAP wiring connector from the ceiling panel to the connector on the control PCB in the control box Control box E 2 Refrigerant tube side y ig 6 21 3 Connect the 7P IND and 4P RC wiring connector from the Indicator cover indicator to the connectors on the control PCB in the control Power box Dox Fig 6 21 As to how to attach the indicator cover refer to Fig 6 23 4 Be sure to use the clamps to fasten the connector wires in place Fig 6 21 Fig 6 22 5 Tighten the 2 cover screws to Ceiling panel Indoor unit Indicator 7PIND and 4P RC 5P FLAP wiring connector wiring connector close the cover Check that the wiring connectors are not caught between the electrical component box and the cover MK e If the indicator connector is not securely connected AHHH T D the remote controller
130. ppears 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 If 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 It is 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 2 Operation together with the daily ON OFF repeat timer The 1 Hour OFF Timer setting is given priority over the DAILY ON OFF REPEAT setting 10 ADJUSTING THE AIRFLOW DIRECTION The vertical airflow can be adjusted by moving the flap with the remote controller Do not move the flap with your hands Confirm that the remote controller has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings A Sweep function The flap starts moving ZW up and down to deliver air over the sweep range B Setting the airflow manually g Referring to the above illustration use the COOL FLAP button to the DRY airflow directi
131. r 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 operation Sometimes the indoor unit may not get to the set fan speed such as LOW under cool operation at very low outdoor temperatures due to the indoor unit being protected from ice or frost Power failure during operation In the event of power failure the unit will stop When the power 15 resumed the unit will restart automatically in approximately 15 minutes by the remote controller Clicking Sound 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 Remote Controller The remote controller send
132. r unit will not run TIMER lamp blinks 3 sec interval and air conditioner does not operate 16 1 Power failure 2 Leakage circuit breaker tripped 3 Line voltage is too low 4 Batteries in remote controller have run down Trouble in system Obstruction in front of condenser coil Outdoor Unit 1 Dirty or clogged air filter Heat source or many people in room Doors and or windows are open Obstacle near air intake or air discharge port Thermostat is set too high for cooling or too low for heating Outdoor temperature is too low for heating 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 The use of cellular phones near the air conditioner may cause disturbance to its normal operation FLOAT SWITCH is actived Contact service center Consult your electrician or dealer Replace batteries Contact service center Remove obstruction Clean air filter to improve airflow Eliminate heat source if possible Shut them to keep the heat or cold out Remove it to ensure good airflow Set the temperature lower or higher Consult your dealer or try to use another heat appliance This is normal and the sound will soon disappear Turn off the power then restart the air conditioner
133. r uses the current time as the reference and it is activated starting from whichever set time comes first e 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 e 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 NOTE 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 USING THE 1 HOUR OFF TIMER 1 1 Hour OFF Timer l 0 m ay un 2 469 HIGH ON OFF O POWER 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 Cancell
134. ration modes except automatic operation Press the HIGH POWER button while unit is operating The 7 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 in Automatic Operation 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 SPECIAL REMARKS 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 15 59 F or less Heating 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 exchange
135. re function is convenient when gentle heating is needed control follow these steps STEP 1 Press the MODE selector button to switch to temperature Press the ON OFF operation button STEP Press the FAN SPEED selector button to select the fan speed of your choice 8 8 4 Press the NIGHT There is no FAN only function in Multiple use of SETBACK button COOL DRY HEAT Model 5 Night Setback Mode SPECIAL REMARKS Power failure during operation In the event of power failure the unit will stop When the power is resumed within 8 hours the unit will restart automatically in approximately five minutes or 15 minutes in Multiple use of COOL DRY HEAT Model on AUTO mode by the remote controller Remote Controller The remote controller sends the setting condition to the air conditioner regularly at five minute intervals Remote Controller Display If the display malfunctions press the ACL button This resets the remote controller back to the initial settings Make the settings again Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while unit is operating The Fe mark appears in the display To release the night setback function press the NIGHT SETBACK button again SETTING THE TIMER 1 How to set the present time Example To set to 9 10 pm PM nt 950 h Lf eee ____ Un ____ 1 Press the SET button three times 2 Pres
136. received the signal Mounting Screws To prevent loss of the remote 5 32 x 5 8 controller you can connect the 4 x 16 mm remote controller to the holder by included passing a string through the remote controller and attachment hole To take out the remote controller pull it forward WHEN HOLDING THE REMOTE CONTROLLER e When using the remote controller and during air conditioner operation the transmitter on the remote controller should be pointed towards the receiver on the indoor unit e Make sure that there are no objects between the remote controller and receiver which could block the signal OPERATION WITH THE REMOTE CONTROLLER 1 Automatic Operation When the remote controller s S M switch is at the 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 controller s S M switch is at the 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 Then the air conditioner calculates the difference between the thermostat setting and room temperature and automatically determines the mode to operate under cooling or heating Then the air conditioner continuously operates under the mode selected at initial operation STEP 2 FAN SPEED MODE
137. rificing comfort This function is convenient when gentle heating is needed Setting temperature Press the NIGHT SETBACK button HIGH _ ON T OFF O POWER FANSPEED MODE CD c FLAP NIGHT SETBACK 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 while unit is operating The 7 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 15 in Automatic Operation 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 SPECIAL REMARKS 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 15 59 F or less Heating Operation Heating performance Because this air conditioner heats a room by drawing in the heat of the outsid
138. s the HH button until PM 9 is displayed e Press the MM button until 10 is displayed The time indication alone flashes The display will flash for 10 sec and automatically stop flashing except for the symbol 2 How to set the OFF time Example To stop the air conditioner at 11 30 pm 4 4 amp OPM 4 4 134 OFF TIME L mw A 1 Press the SET button twice 2 Press the HH button until PM 11 is displayed e Press the MM button until 30 is displayed 3 Press the TIMER SELECT button twice to set OFF time E41 OPM h LI gt Present time The timer indication alone flashes and the previous set time is only displayed The display will change automatically back to show the present time after about 10 sec The present time and are displayed To cancel the setting press the TIMER SELECT button twice 3 How to set the ON time Example To start operation at 7 10 am 00 9580 mb E4 950 L Z6 9084 ON TIME Present time 1 Press the SET button once The timer gt indication alone flashes and the previous set time is only displayed 2 Press the HH button until AM 7 is displayed Press the MM button until 10 is displayed 3 Press the TIMER SELECT button once to set ON time The display will change automatically back to show the present time after about 10 sec The present time and are d
139. s the setting condition to the air conditioner regularly at five minute intervals SETTING THE TIMER FAN SPEED MODE FLAP NIGHT SETBACK SENSOR C4 gt F 12H4 gt 24H O apr O 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 controller Temperature F Time AM PM 1 How to set the present time Example To set to 10 30 pm 1 Press the CLOCK button once if the time indicator is not flashing The time indication alone flashes The time can be set in 1 minute increments Holding down the button advances the time rapidly 10 minute increments Press the Advance Return a v button until PM 10 30 is displayed Press the CLOCK button again This completes the setting of the current time 11 2 How to set the OFF time Example To stop the air conditioner at 11 00 am button once 2 Press the Advance Return a v button until AM 11 00 is displayed 3 Wait a few seconds and then the setting is complete ens f gt ae w y lt So e 1 Press the OFF TIME setting The timer 0 indication is displayed and the present OFF time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances th
140. se a clean cloth moistened with a mild liquid detergent When cleaning it be careful not to force the flaps out of place e Never use solvents or harsh chemicals caution when cleaning the indoor unit Do not wipe the plastic casing using very hot water Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Cleaning the flaps The air outlet flap can be removed and washed with water Be sure to always stop operation before removing the flap e After washing with water allow it to dry and then remount it i caution Do not move the flap with your hands When using a footstool or the like be careful not to let it tip over Cleaning the main unit and Remote Controller Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe Air filter How to remove the air intake grille The air filter collects dust and other particles from the air and should 1 Open the air intake grille be cleaned once every 6 months If the filter gets blocked the efficiency of the air conditioner drops 2 Detach the safety cord from the frame remember to attach it again after cleaning or maintenance greatly 3 Hold
141. se 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 corresponding 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 then strip the insulation to expose the wire about 9 32 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 com pletely using a screwdriver b For Outdoor Unit 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 15 16 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 termi nal plate and fix it securely with the removed termi nal screw using a screwdriver For stranded wiring 1 Cut the wire end with a cutting pliers then strip the insulation to expose the stranded wiring about 3 8 10 mm and tightly twist the wire ends Figs 30 and 31 2 Using a screwdriver
142. sible hazards due to insulation failure 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 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 3 8 Wiring Instructions for Inter unit Connections 1 Remove the 1 screw from the terminal cover then open the cover Be careful that the cover does not fall 2 Remove the 3 screws from the power box cover then open the cover Be careful that the cover does not fall 3 Use the screw to securely fasten the ground wire from the outdoor unit in place 4 Remove the transparent plastic cover from the 3P terminal plate 5 While viewing the wiring diagram connect the inter unit and power supply line to terminals 1 2 and 3 on the terminal plate Power wiring Locally purchased 6 Remount the transparent plastic cover onto the 3P terminal Clamping strap aad Earth screw M 7 Be sure to use the clamping strap to fasten the wires in place ves lt Inter unit 8 Tighten the screws to remount the terminal and the power Conduit box cover Fig 8 12 NES Loose wiring may cau
143. ssary For more detailed charging information refer to the Technical amp Service Manual 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 e f 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 refrig erant circuit e n 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 e Apply sufficient thermal insulation to the refrigerant tubing and drain pipes 3 How to Install the Indoor Unit Hole in anchor Hole in plug Concrete Insert 3 1 Preparation for Suspending DINO This unit uses pump Use carpenter s level to Je check that the unit is level 3 2 Suspending the Indoor Unit 1 Fix the suspension bolts securely in the ceiling using ei oie 2 or 3 8 the method shown in the diagrams by attaching Fig 6 1 them to the ceiling support s
144. switch on AUTO mode by the remote controller Clicking Sound 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 Remote Controller The remote controller sends the setting condition to the air conditioner regularly at five minute intervals SETTING THE TIMER FAN SPEED MODE NIGHT SETBACK FLAP SENSOR C4 gt F 12H4 gt 24H O apr O sn CO 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 controller Temperature F Time AM PM 1 How to set the present time Example To set to 10 30 pm 1 Press the CLOCK button The time indication alone once if the time indicator is flashes not flashing Press the Advance Return The time can be set in 1 minute a v button until PM 10 30 increments Holding down the is displayed button advances the time rapidly in 10 minute increments Press the CLOCK button This completes the setting of the again current time 11 2 How to set the OFF time Example To stop the air conditioner at 11 00 am button once 2 Press the Advance Return a v button until AM 11 00 is displayed 3 Wait a few seconds and then the se
145. tens it Fig 7 4 Remove the ceiling panel To remove the ceiling Fig 7 panel follow the steps for 3 6 How to Install the Ceiling Panel in the reverse order Refer to the Fig 8 a Indicator 7P IND and 4P RC wiring connector Installation Instructions supplied with the indoor unit 5P FLAP 7P IND and 4P RC Ceiling wiring connector wiring connector panel Wire harness controller 5P FLAP wiring connector HN oh duis ALS gt A N 92 KG 5 We T 2 Terminal cover Wire harness Indicator cc Clamping strap Fig 8 Fig 8 b 5 Remove the terminal cover screws then remove the cover At this time take care not to drop the cover Fig 8 6 Pull in the wire harness from the remote controller as shown in Fig 8 b Remove the putty before wiring After wiring make sure to restore the putty 7 Insert the wire harness 4P terminal into the control box PCB connector RC Fig 8 a 8 Install the terminal cover Then install the ceiling panel Refer to 3 6 How to Install the Ceiling Panel in the Installation Instructions supplied with the indoor unit 9 Insert only the 7P IND terminal of the 7P IND and 4P RC wiring connector into the connector IND on the control box PCB Store the 4P terminal inside the control box Fig 8 a 10 Next insert the 5
146. tics for the self diagnostics procedure Operation Timer High Power X Tof 5 7 Blinking D Muminated Before the Operation For terminal strip short circuit work or inter unit wiring removal turn off the power to avoid an electric shock Release the terminal strip short circuit after the completion of self diagnostics Do not perform the short circuit work between any other terminals except for specified ones on the specified terminal strip If such work is performed between the incorrect terminals the unit might be broken Prohibit Check Items before Troubleshooting Serial Communication Start gt After confirming that the following errors do not exist start the Troubleshooting Serial Communication in Condition E01 and E12 Mis wiring inter unit cable etc 6 Reactor failure defective insulation etc AC power failure 7 High Pressure Switch failure Blown fuse 8 Overload Relay failure Power Relay failure 9 Magnetic Coil failure defective insulation short circuit etc Outdoor Fan Motor failure defective insulation etc 10 Compressor failure defective insulation etc 3 1 Condition E01 Troubleshooting Serial Communication Outdoor Unit Indoor Unit _ Fig 1 Fig 2 Is the voltage of about DC12V or more given between the terminals 2 and 3 on the outdoor unit terminal strip Serial Communication Line Fig 1 1 Turn OFF the power and wa
147. tion which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Caution To assure continued compliance follow the attached installation instructions Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment REMOTE CONTROLLER The descriptions on the AUTO or HEAT operation mode are only for the COOL DRY HEAT Model and not for the COOL DRY Model Display Information on the operating conditions is displayed while the remote controller is switched on If the unit is turned off only the mode that was set previously is still displayed Temperature setting buttons TEMP Press the button to increase the set temperature Press the Cv button to reduce the set temperature The temperature setting changes by 2 each time one of the TEMP buttons is pressed FAN SPEED selector button 98 The air conditioner automatically decides the fan speeds High fan speed Medium fan speed 2 Low fan speed NIGHT S
148. tructure or by any other method that ensures that the unit will be securely Ceiling opening dimensions and safely suspended Fig 6 1 21 1 32 534 2 Follow the diagram to make the holes in the ceiling 3 Determine the pitch of the suspension bolts using i 5 the supplied full scale installation diagram The dia 8 5 gram shows the relationship between the positions 2 of the suspension fitting unit and panel Fig 6 2 2 8 5 o 3 3 Placing the Unit Inside the Ceiling A 8 1 Be sure to remove the fan protection 4pcs for _ 22 5 8 575 Drain tube transportation before hanging up the indoor unit CEN ee ATE outer dia of 1 32 g 26nn 2 When placing the unit inside the ceiling determine 5 t the pitch of the suspension bolts using the supplied Eos SES 8 full scale installation diagram Fig 6 3 22 Tubing and wiring must be laid inside the ceiling Ve Nl when suspending the unit If the ceiling is already Sle BE ae VN 1 constructed lay the tubing and wiring into position DE f i Power supply port Refrigerant tubing joint for connection to the unit before placing the unit narrow inside the ceiling 01 4 0 6 35mm flared Fig 6 2 The length of suspension bolts must be appropriate for a distance between the bottom of the bolt and the bottom of the unit of more than 19 32 15 mm as
149. ts of an indoor unit and an outdoor unit green red You can control the air conditioner with the remote controller Air from the room is drawn into this section and passes through air filters which remove dust Conditioned air is blown out of the air conditioner through the air outlet Remote The remote controller controls power ON OFF Controller operation mode selection temperature fan speed timer setting and air sweeping TC OPERATION This lamp lights when the system is in the lamp 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 HIGH POWER _ This lamp lights during operation in the HIGH lamp POWER mode Drain Hose Moisture in the room condenses and drains off NOTE through this hose The outdoor unit contains the compressor fan The unit s display lamps are dimmed during operation in the NIGHT Condensing motor heat exchanger coil and other electrical SETBACK mode components Refrigerant The indoor and outdoor units are connected by Tubes copper tubes through which refrigerant gas flows REMOTE CONTROLLER DISPLAY Displayed when transmitting data Displayed when indoor unit sensor is in use Displayed when setting temperature Displayed when temperature is shown El Displayed when sett
150. ttention Do not wash the air conditioner with water as this may cause an electric shock or fire S Prohibit For the repair work in places with high humidity or moisture make sure to ground the unit Failure to do so may cause an electric shock Confirm that the component attachment position wiring condition soldering condition and connector connection are normal If not it may cause overheating or fire Confirm that the temperature around the compressor is not too high and then perform the repair work Failure to do so may cause a burn Perform welding work in a place with good ventilation If the work is performed in a poorly ventilated area it might cause a lack of oxygen If the installation plate or attachment frame has deteriorated due to corrosion etc replace it Failure to do so may cause an injury due to the unit falling When the cleaning is to be performed make sure to turn off the power and pull out the plug Touching the fan that is rotating at high speed may result in an injury When the indoor unit is to be removed do not place it on an incline S Doing so may cause wet furniture because water left inside may trickle down Prohibit Do not hold the sharp end of the unit or the aluminum fins as it may cause an injury to your hand or finger S Prohibit After repairs make sure to measure the insulation resistance and confirm that the value is 1 Mohm or more Any insulation error may cause an electric shock
151. tting is complete ens f gt ae w y lt So e 1 Press the OFF TIME setting The timer 0 indication is displayed and the present OFF time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments The timer OFF indication stops blinking and the present time is displayed 3 How to set the ON time Example To start operation at 7 10 am AM _ wm S 1 Press the ON TIME setting button once 2 Press the Advance Return a button until AM 7 10 is displayed 3 Wait a few seconds and then the setting is complete 12 The timer indication is displayed and the present ON time is shown The timer indication blinks The time can be set in 10 minute increments Holding down the button advances the time rapidly in 10 minute increments The timer indication stops blinking and the present time is displayed 4 How to set daily ON OFF repeat timer Example To start operation at 7 10 am and stop the air conditioner at 11 00 am 10 30 pm 11 00 am Present time OFF Dd LL Operation 1 Set the timer ON OFF times Indication The present time 10 30 pm and OY are displayed as shown in 2 1 2 3 and 3 1 2 3 NOTE The ON OFF combination time
152. ual Operation 1 Automatic Operation only for COOL DRY HEAT Model Single use This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting Multiple use The air conditioner calculates the difference between the thermostat setting and room temperature and automatically determines the mode to operate under cooling or heating Then the air conditioner continuously operates under the mode selected at initial operation STEP 4 STEP 5 STEP 2 STEP 1 NOTE Check that the circuit breaker on the power panel is NOTE To change the temperature setting press the 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 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again temperature setting buttons and change the setting to the desired temperature STEP 2 STEP 3 H9 amp 8 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
153. ucing uncooled forced air with the 3 indicator lamps OPERATION lamp TIMER lamp and HIGH POWER lamp on the main unit blinking Fig 35 After 3 minutes the system shifts into cooling operation and cool air will start to be felt Cooling mode test run is unaffected by the room tempera ture 3 Press the ON OFF operation button of the remote controller again to stop the test run Fig 33 4 Finally press the ACL Reset button of the remote controller to release it from Test Run mode to return to normal mode Fig 33 se and oP 1 will disappear from the remote controller clock display area Troubleshooting In the event that the green OPERATION lamp is blinking upon powering up the system an error condition exists In this case refer to the self diagnostics procedure which can be seen by opening the air intake grille IMPORTANT After the test run is completed be sure to press the ACL Reset button to return to normal mode The air condi tioner will not operate correctly if this is not done 14 SCAB 087 e 7 es POWER ON OFF HIGH POWER button Mro operation button 1HR TIMER FANSPEED MODE button FLAP NIGHT SETBACK TIMER lt gt ACL Reset button OPERATION lamp OPERATION button i CHK TIMER lamp e HIGH POWER lamp Fig 35 5 Remote Controller Installation Position The remote controller can be operated from either a non
154. 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 13 OPERATION WITHOUT THE REMOTE CONTROLLER If you have lost the remote controller 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 green Heating Stop operation red lamp off The temperature is set to the room temperature minus 4 F during the cooling operation and to the room temperature plus 4 F during the heating operation and the fan speed and flap are set to Auto 14 CARE AND CLEANING Cleaning and maintenance operations must be carried out by specially trained personnel While working in high places slipping or falling may result in serious injury 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 Ceiling panel Indoor Unit Clean the ceiling panel of the indoor unit with a vacuum cleaner brush or wipe it with a clean soft cloth If it is stained u
155. unit controller 3 locations Measurement location 1 Vm Gnd Between pin 1 and pin 3 DC 280V to 340V 2 Vcc Gnd Between pin 4 and pin 3 DC 15V 1096 3 Vs Gnd Between pin 5 and pin 3 Fluctuation between DC 1 8V to 5 7V 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 controller 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 37 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
156. w the attached installation instructions Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment NAMES OF PARTS UNIT DISPLAY AND OPERATION BUTTON INDOOR UNIT Za OPERATION button OPERATION lamp Air Outlet 4 locations TIMER lamp F C HIGH POWER lamp AN IMPORTANT Avoid using radio equipment such as mobile phone near within 4 ft 1 2 m the remote control receiver Some radio equipment Drain Hose may cause malfunction of the unit Refrigerant Tubes OUTDOOR UNIT If the trouble happens disconnect power and restart the air conditioner after a few minutes REMOTE This section picks up infrared signals from the CONTROL remote controller transmitter receiver When the remote controller cannot be used Air Outlet button 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 This illustration is based on the external view of a standard model your preference for operation Consequently the shape may differ from that of the air conditioner which you have selected Cooling Heating Sto u operation operation gt lam an This air conditioner consis

Panasonic CS-MKE12NB4U Service Manual

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