Panasonic CS-MKE18NKU Installation Instructions
Contents
1. 2 3 8 60 mm CS MKE18NKU CS MKE24NKU 4 Using a sabre saw key hole saw or hole cutting drill attachment cut a hole in the wall See Table 4 and Fig 10 Table 4 Hole Dia CS MKE7NKU CS MKE18NKU CS MKE9NKU CS MKE24NKU CS MKE12NKU 2 9 16 65 mm 3 5 32 80 mm 5 Measure the thickness of the wall from the inside edge to the outside edge and cut PVC pipe ata slight angle 1 4 6 mm shorter than the thickness of the wall Fig 11 6 Place the plastic cover over the end of the pipe for indoor side only and insert the pipe in the wall Fig 12 3 3 Install the Rear Panel on the Wall Be sure to confirm that the wall is strong enough to sus pend the unit See either Item a or b below depending on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided Fig 13a or 13b If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use rawl plugs or toggle bolts to go through the holes on the panel or drill 3 16 5 mm dia holes in the panel over the stud locations and then mount the rear panel 2 Double check with a carpenter s level or tape mea sure that the panel is level This is important to install the unit properly Fig 14 3 Make sure the panel is flush against the wall Any space between the wall and unit will cause noise and vibration b If Block Brick Concret2. ny Fig 16a 1 L IE a lini Eo o F Ecm E Cover Thermistor YI NYIRNI vavava MWY LEH is Oh HUY LARRY TU RAJ LASS TORR E OI a C 7 REEKARENAHANAH li H Wy MAA PMH nanan HAAHHM HHH zo Fig 18b 1 Groove Fig 19a 1 3 5 Shape the Indoor Side Tubing 1 Arrangement of tubing by directions anje a Right or left tubing e er Cut out the corner of the right left frame with a hacksaw or the like Figs 20 and 21 Left tubing outlet b Right rear or left rear tubing In this case the corner of the frame need not be s cut 2 To mount the indoor unit on the rear panel Fig 20 Hang the 2 mounting slots of the unit on the upper tabs of the rear panel Fig 22 3 6 Wiring Instructions Frame General precautions on wiring 1 Before wiring confirm the rated voltage of the unit as Right tubing shown on its nameplate then carry out the wiring oe closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit with a powe
3. or 150 to 230 ft Max charge additional refrigerant R410A by 0 22 oz ft No additional charge of compressor oil is necessary For more detailed charging information refer to the Technical amp Service Manual 2 2 Embedding the Tubing and Wiring e Before beginning embedding installation work consult fully with agencies or offices related to the building s foundation construction electricity and water Wait to make connections to the embedded portion Each connection step is described later in this manual Securely cover the end of the embedded tubing to prevent intrusion of dirt or moisture If an embedded tube is to be left for a long time fill the tube with nitrogen and seal both ends securely If a tube is left open for an extended time moisture in the air inside the tubing may condense into water droplets and lead to water contamination of the refrig erant circuit In order to prevent insulation breakdown and ground faults do not allow wiring ends to come in contact with rainwater or be subjected to condensation or dew Apply sufficient thermal insulation to the refrigerant tubing and drain pipes 3 How to Install the Indoor Unit 3 1 Remove the Rear Panel from the Unit 1 Remove and discard the set screw on the rear panel Fig 6 2 Press the 2 A marks on the frame cover and disen gage the stationary tabs from the frame Fig 7 3 Remove the rear panel Tubing can be extended i
4. Fig 17b Pull the lower part of the grille toward you to remove a Fig 18a 6 Use a standard screwdriver to push on the tabs to remove the grille a How to replace the grille 1 Reinstall the grille into the lower part while aligning its tabs on the upper part Fig 18b Insert the tabs in the slots and push the lower part of the grille back into position 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 4 Close the cover and replace the screw Fig 17a 5 Affix the grille with the 2 previously removed screws Fig 16b 6 Install the air intake grille a Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Fig 19a b Press the bottom right and left corners of the air intake grille to attach it to the indoor unit Fig 19b Attach so that the round pins at the top right and left corners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit 3 4 2 Indoor unit types CS MKE18NKU CS MKE24NKU Basically these models can be installed and wired with out removing the grille If access to any internal part is needed follow the steps as given below How to remove the grille 1 N Grasp both ends of the air intake grille and remove i
5. 2 tabs on the lower part of the rear plate Fig 33 For tubing choose either the right or left tubing direction and follow the steps below This work can be made easi er by placing padding material such as styrofoam at the rear right side of the indoor unit Fig 34 E Right side tubing 1 Shape the refrigerant tubing so that it can easily go into the wall hole Fig 35 2 Push the wiring refrigerant tubing and drain hose through the hole in the wall Adjust the indoor unit so it is securely seated on the rear panel Fig 36 3 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then tape as far as the fittings See Caution on page 19 in the outdoor unit installation manual The drain hose should come straight down the wall to a point where water runoff won t stain the wall 4 Connect the refrigerant tubing to the outdoor unit After performing a leak test on the connecting part insulate it with the tubing insulation Fig 37a Also refer to Section 3 5 Tubing connections in the outdoor unit installation manual 5 Assemble the refrigerant tubing drain hose and conduit including inter unit wiring as shown in Fig 37b NEGE Insulation Fig 37a Refrigerant tubing Conduit Drain hose Inter unit wiring Fig 37b 14 A Fig 33 Padding material Fig 34 Rear panel Cover Refrigerant tubing Inte
6. display to oP 7 Address setting Fig 64 Pw X 4 lestrun mode Q 3 Selfdiagnostic mode 6 Vw im k w l 4 Address setting mode qe oP 7 has now been selected for address setting G Press the ON OFF operation button on the remote controller Fig 64 Check that the beep signal received sound is heard from the second indoor unit approximately 5 times The sound you hear is the signal that the remote controller address has been changed 7 Finally press the remote controller ACL Reset but ton to cancel the blinking oP 7 display Fig 64 Changing of the second remote controller address is now completed 19 ACL button Fig 63 OOO OOOO AIR CONDITIONER DAAR OO SETTEMP N xF Cie LILG c ON GY OFFS AM AIXA TATI PM 2 08 0 DADA B OBB ON OFF O ON OFF ae operation button TIMER button a Q D TEMP FAN SPEED NIGHT SETBACK FLAP HIGH POWER GENE CANCEL CLOCK O SENSOR C4b F 12H4b24H O ADR O ac CO FETA a Peso 7 a om button 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
7. 00000000000 0000000000000 000000000000000000000000080000080000000000000000000000000000600000090000000200090000009000000000 Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance lna 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 InN 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 mon the unit When Connecting Refrigerant Tubing e 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 e 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 anythi
8. APPENDIX C INSTALLATION INSTRUCTIONS CS MKE7NKU CS MKE9NKU CS MKE12NKU CS MKE18NKU CS MKE24NKU 852 6 4190 583 00 0 INSTALLATION INSTRUCTIONS Split System Air Conditioner This air conditioner uses the refrigerant R410A External diameter of service port R410A 5 16 Model Combinations Combine indoor and outdoor units only as listed below Model No Indoor Unit Outdoor Unit CS MKE7NKU CU 3KE19NBU CS MKE9NKU CU 4KE24NBU CS MKE12NKU CU 4KE31NBU CS MKE18NKU CS MKE24NKU Power Source 60 Hz single phase 230 208 VAC 85264190583000 2011 Panasonic Contents Page IMPORTANT Please Read Before Starting 2 1 GENERAL isinne ebole bnih denih 4 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied with Unit 1 3 Optional Copper Tubing Kit 1 4 Type of Copper Tube and Insulation Material 1 5 Additional Materials Required for Installation 2 INSTALLATION SITE SELECTION 5 2 1 Indoor Unit 2 2 Embedding the Tubing and Wiring 3 HOW TO INSTALL THE INDOOR UNIT 7 3 1 Remove the Rear Panel from the Unit 3 2 Make a Hole 3 3 Install the Rear Panel on the Wall 3 4 Removing and Installing the Grille 3 5 Shape the Indoor Side Tubing 3 6 Wiring Instructions 3 7 Wiring Instructions for Inter unit Connections 3 8 Mounting 3 9 Drain Hose 4 HOW TO TEST RUN THE AIR CONDITIONER 17 5 REMOTE CONTRO
9. LLER INSTALLATION POSITION P E E 18 5 1 Mounting on a Wall 6 ADDRESS SWITCH 19 6 1 Address Setting of the Remote Controller 7 CONNECTING A HOME AUTOMATION DE VI Ee rere erate ee meer eee 20 8 INSTALLATION CHECK SHEET 20 CV6233187860 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 6 Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown 6 Observe all local state and national electrical codes 6 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 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 impr
10. N OFF operation button FAN SPEED NIGHT SETBACK FLAP HIGH POWER CANCEL CLOCK O SENSOR C4 gt F 12H 4 24H apr O ace PFva A ee Ce Reset button After the test run is completed be sure to press the ACL Reset button to return to normal mode The a air conditioner will not operate correctly if this is not OPERATION OPERATION lamp TIMER TIMER lamp QUIET QUIET lamp J done A OV OPERATION 17 Fig 59c 5 Remote Controller Installation Position The remote controller can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote 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 i
11. 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 20 DC1111 0
12. be for refrigerant tub ing 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 Table 2 Narrow Tube Model 6 Sabre saw or key hole saw 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer for deburring Drain hose qaq O 1 adapter Packed in the indoor unit Foamed polyethylene insulation for the specified copper tubes as reguired 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 6 Wiring Instructions for details CAUTION Check local electrical codes and regulations before obtaining wire Also check any specified instructions or Wide Tube limitations Outer Dia Thickness Outer Dia Thickness CS MKE7NKU 1 4 6 35 mm 0 0314 0 8 mm CS MKE9NKU 1 4 6 35 mm 3 8 9 52 mm 0 0314 0 8 mm 0 0314 0 8 mm CS MKE18NKU 1 4 6 35 mm 0 0314 0 8 mm 1 2 12 70 mm 0 0314 0 8 mm CS MKE24NKU 1 4 6 35 mm 0 0314 6 0 0314 0 8 mm 3 8 9 52 mm 0 8 mm 5 8 15 88 mm 0 0314 0 8 mm 0 0393 1 0 mm 1 5 Additional Materials Required for Installation 1 Refrigeration arm
13. e or Similar Type Wall Make 3 16 4 8 mm dia holes in the wall Insert rawl plugs for appropriate mounting screws Fig 15 3 16 4 8 mm dia hole ED em Rawl plug Fig 15 Hole should be made at a slight downward slant to the outdoor side Indoor Outdoor side side A PVC pipe Locally purchased Cut at um angle Fig 11 INSIDE OUTSIDE Wall Plastic cover PVC pipe Locally purchased Slight a ee angle Fig 12 CS MKE7NKU CS MKE9NKU CS MKE12NKU Fig 13a CS MKE18NKU CS MKE24NKU 3 4 Removing and Installing the Grille Ane ge ne 3 4 1 Indoor unit types CS MKE7NKU CS MKE9NKU CS MKE12NKU Basically these models can be installed and wired without removing the grille If access to any internal part is needed follow the steps as given below CAUTION Be sure to wear work gloves during installation to avoid being cut by the sharp aluminum fins of the heat exchanger How to remove the grille 7 1 Grasp both ends of the air intake grille and remove it by Sem cover RE a opening towards the front and pulling towards you Fig Fig 16b 16a 2 Remove the 2 screws Fig 16b Thermistor zida Ci Remove the screw on the right side cover plate and open the cover Fig 17a S Take out the thermistor from the grille
14. e 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 E 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 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 e Strip 15 16 25 mm Strip 3 8 10 mm 9 32 STRIP 7 mm ACTUAL SIZE SIZE GILLS Fig 28 Insulation Fig 29 Stranded wire Solid wire i Loop IN O ging connector S Fig 30 Twist wire ends E gt Z a Fig 31 Screw Ring connector Terminal plate pa Wire Fig 32 THY an L D Screw and special washer Ring connector 3 8 Mounting 1 To install the indoor unit mount the indoor unit onto the 2 tabs on the upper part of the rear plate 2 Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely fasten to the
15. er in Test Run mode Fig 59a a Press and hold the QUIET 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 sec QUIET onds release the ACL button first button c Then release the QUIET and 1HR TIMER buttons d appears and oP 1 blinking in the remote con troller clock display area Fig 59b 2 Start Cooling mode test run by pressing the ON OFF operation button of the remote controller Fig 59a e This starts the fan producing uncooled forced air with the 3 indicator lamps OPERATION lamp TIMER lamp and QUIET lamp on the main unit blinking Fig 59c After 3 minutes the system shifts into cooling opera tion and cool air will start to be felt Cooling mode test run is unaffected by the room temperature 3 Press the ON OFF operation button of the remote con troller again to stop the test run Fig 59a 4 Finally press the ACL Reset button of the remote con troller to release it from Test Run mode to return to nor mal mode Fig 59a 38 and oP 1 will disappear from the remote con troller 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 on the inside of the front cover IMPORTANT OOO 0 OOOO AIR CONDITIONER Oise JO s O
16. he provided clamp When closing the air intake grille press the bottom right and left corners and center Fig 27 Please refer to How to replace the grille on page 9 or 10 for installing the air intake grille Wall Terminal plate Lock nut Top of conduit connector Fig 26b 12 N ua Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist There fore be sure all wiring is tightly connected When connecting each power wire to the 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 E For solid core wiring or F cable 1 Cut the wire end with a cutting pliers then strip the insulation to expose the solid wire about 15 16 25 mm Fig 29 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using the pliers bend th
17. n 5 or 6 directions as shown in Fig 8 Select the direction you need providing the short est run to the outside unit When left tubing is to be done switch the drain hose and drain cap For details refer to Switching drain hose and drain cap on page 15 3 2 Make a Hole 1 Place the rear panel from the indoor unit on the wall at the location selected Make sure the panel is hori zontal using a carpenter s level or tape measure to measure down from the ceiling Wait until after cut ting the hole before attaching the rear panel to the wall 2 Determine which side of the unit you should make the hole for tubing and wiring Fig 9a or 9b In the case of left rear tubing use the measurement points from the edge of the rear panel for precise place ment of the hose outlet Fig 9a or 9b 3 Before making the hole check carefully that no studs or pipes are directly run behind the spot to be cut CAUTION Also avoid areas where elec trical wiring or conduits are located The above precautions are also applicable if tubing goes through the wall in any other location Set screw only for transportation Fig 6 Rear panel Fig 7 Right rear Left rear tubing _ tubing recommended Right tubing Left downward tubing Not applicable for CS MKE18NKU CS MKE24NKU Right downward tubing Fig 8 CS MKE7NKU CS MKE9NKU CS MKE12NKU 2 3 4 70 mm
18. ng other than the specified refrig erant may cause the pressure to rise excessively in the refrigeration circuit rupturing the circuit and causing injury or damage e 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 CAUTION e Ventilate any enclosed areas when installing or testing the refrigerati
19. nside from out doors 5 After completing a leak test bundle the tubing together with armoring tape and store it inside the tubing storage area at the back of the indoor unit and hold it with clamps Figs 40a and 41 Insulation Drain bracket Drain bracket Drain hose Drain hose Screw Fig 40c Fig 40b SO Refrigerant tubing Inter unit wiring Conduit Sy Fig 41 15 To unmount indoor unit Press the 2 A marks on the lower part of the indoor unit and unlatch the tabs Then lift the indoor unit and unmount Fig 42 3 9 Drain Hose a The drain hose should be slanted downward to the outdoors Fig 43 b Never form a trap in the course of the hose c Ifthe drain hose will run in the room insulate the hose with insulation so that chilled condensation will not damage furniture or floors Fig 44 Foamed polyethylene or its equivalent is recom mended N mi Do not supply power to the unit or operate it until all tubing and wiring to the out side unit are completed Risk of Electric Shock 16 tT Push Fig 42 Indoor unit hose Fig 43 s Condensation Insulation material Locally purchased must be used Fig 44 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 controll
20. on system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas 1 General This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the indoor and outdoor units and make sure all accessory parts listed are with the system before beginning 1 1 Tools Required for Installation not supplied 1 Standard screwdriver 2 Phillips head screwdriver 3 Knife or wire stripper 4 Tape measure 5 Carpenter s level 1 2 Accessories Supplied with Unit a 1 Parts Pats Figure ay Pans Figure Ow x m Remote ge te T elle yamm sg Tapping screw Phillips 10 Clamp amon 4 9 32 x 5 8 4x16 mm fo al 8 oa J Remote control Walder Rawl plug AAA alkaline battery 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 tubing 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 tu
21. op er installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring OO OO 0000000000000 0000000000 000000000 HES O OHH THE OHHOHEOEEOHH OOOOH OH EOHO OHS OHEOH HEHEHE HEOHOH TE OHEHH EL EOEH EHH OOH EOL EOEEEEOEOOE ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM e 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 e Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard e To prevent possible hazards from insulation failure db the unit must be grounded When Transporting OO OO OO OO 000000000 0000000000000 OHH OHH O OO OO OOOOOO OO OOOOO BO OOOOOO OO OOOO OO OOOOO OO 0000000000000 0000000000000 00000000 0000000000 ONO 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 O OO 000 00
22. ored tape 2 Insulated staples or clamps for connecting wire See local codes 3 Putty 4 Refrigeration lubricant 5 Clamps or saddles to secure refrigerant tubing Indoor unit 2 Installation Site Selection Indoor Unit umm 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 Fig 1 Drain hose Outside drainage e direct sunlight e nearby heat sources that may affect performance of the v unit 6 15 cm Y min 2 5 cm min e areas where leakage of flammable gas may be expected placing or allowing any obstructions near the air condition er inlet or outlet Front View installing in rooms that contain instant on rapid start fluorescent lamps These may prevent the air conditioner Fig 2 from receiving signals e places where large amounts of oil mist exist imeni Tubing length L1 e installing in locations where there are devices that MO generate high freguency emissions Elevation f difference H1 UNIT H2 DO UNIT e select an appropriate position from which every corner of INDOOR J UE INDOOR H3 the room can be uniformly cooled High on a wall is best UNIT 4 M UNIT 3 e select a location that will hold the weight of the unit Fig 3a CAUTION e select a location where tubing and drain hose have the
23. r supply disconnect and cir Fig 21 cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible hazard 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 Fig 22 compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 11 3 7 Wiring Instructions for Inter unit Connections 1 6 Insert the inter unit wiring according to local codes into the through the wall PVC pipe Run the wiring toward the indoor side allowing approx 10 25 cm to extend from the wall face Fig 24 Grasp both ends of the air intake grille and remove it by opening towards the front and pulling towards you Remove the screw on the right side cover plate and open the cover Fig 25 Route the inter unit wiring from the back of the indoor unit and pull it toward the front for connec tion Figs 26a and 26b Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 26a and 26b while referring to the wiring diagram Be sure to secure the wiring with t
24. r unit wiring E Left side tubing A v BR Rear panel e Bent part Wide tube 2 Switch the drain hose and drain cap Narrow tube 1 Lead the tubing and drain hose through the wall allowing sufficient length for connection Then bend PACE Na wa the tubing using a tube bender to make the attach ment Fig 38 4 Bo me Switching drain hose and drain cap Fig 38 a Locate the drain hose and the drain cap Fig 39 b Remove the screw fastening the drain hose on the right side and pull out the drain hose to K remove it Fig 39 K lt a c Apply moderate force to pull off the drain cap on the left side If you cannot pull it off by Drain hose hand use a long nose pliers d Reattach the drain hose to the left side and the drain cap to the right side Fig 40a Drain hose Slide the drain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insula tion Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in contact then fasten them with the screw After attaching the drain hose check that it is attached securely Fig 40c Drain hose Drain cap Use a Phillips screwdriver to push the drain cap in firmly If it is difficult to push in wet the cap with water first Fig 40a 3 Install the indoor unit on the rear panel Screw hole 4 Connect the tubing and wiring led i
25. shortest run to the outside Fig 1 e allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 2 e install the unit within the maximum elevation difference 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 3a Indoor unit h WE For stable operation of the A air conditioner do not install wall mounted type indoor units less than 5 1 5 m from floor level Minimum height from floor level 5 1 5 m Floor level Fig 3b e install the indoor unit more than 3 3 1 m 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 e 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 82 150 L1 L2 L3 L4 200 L1 L2 L3 L4 0 22 CU 4KE31NBU 100 150 L1 L2 L3 L4 230 L1 L2 L3 L4 0 22 If total tubing length becomes 150 to 200 ft Max
26. t by opening towards the front and pulling towards you Fig 16a 1 Y Remove the 3 screws Fig 16b 1 Remove the screw on the right side cover plate and open the cover Fig 17a 1 4 Take out the thermistor from the grille Fig 17b 1 5 Press the 3 tabs at the top of the grille and the 3 tabs on the front face to separate the grille from the frame Fig 18a 1 6 Pull the grill toward you to remove it How to replace the grille 1 When installing the grille place the bottom of the grille into the frame first Fig 18b 1 Then insert the tabs on the top of the grille and on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 1 4 Close the cover and replace the screw Fig 17a 1 5 Affix the grille with the 3 previously removed screws Fig 16b 1 6 Install the air intake grille a Allow the edge of the air intake grille to slide into the top of the indoor unit and then insert it all the way inside Fig 19a 1 b Press the bottom right and left corners and center of the air intake grille to attach it to the indoor unit Fig 19b 1 Attach so that the round pins at the top right and left cor ners of the air intake grille are inserted into the grooves at the top right and left of the indoor unit Fig 19b 1 10 Air intake grille Grille
27. t has received the signal Rear side To prevent loss of the remote Mounting screws controller you can connect the 5 32 x 5 8 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 Fig 61 1 co 6 Address Switch 6 1 Address Setting of the Remote Controller The address can be set in order to prevent interference between remote controllers when 2 indoor units are installed near each other The address is normally set to A To set a different 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 Switch on the power source 2 Break the address setting tab marked A on the second remote controller to change the address Fig 62 When the tab is removed the address is automatically set to B Fig 63 3 Press and hold the remote controller QUIET 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 seconds release the ACL button first then release the QUIET and 1HR TIMER buttons oP 1 Test Run appears blinking in the remote controller clock display area 4 Each time the 1HR TIMER button is pressed the display changes as shown below Press this button 2 times to change the
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