Panasonic CS-MKS12NB4U Installation Manual
Contents
1. the cover Be careful that the cover does not fall SS 2 Connect the 5P FLAP wiring connector from the ceiling Control box panel to the connector on the control PCB in the control box ili l KEIN i Refrigerant tube side A Fig 6 21 H AOO 3 Connect the 7P IND and 4P RC wiring connector from the NETT indicator to the connectors on the control PCB in the control Power box box 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 7P IND 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 e lf the indicator connector is not securely connected the remote controller signal will not be received e lithe connectors are not connected the auto flap will not operate Be sure to connect them securelv WE APENT AEST 5P FLAP wiring connector p A RYA ALT X 7P IND and 4P RC wiring connector Indicator Control box 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 cover2. Packed in the ceiling panel Remote controller 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 diagram 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 3 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 ede Narrow Tube Wide Tube Check local electrical codes Outer Dia Thickness Outer Dia Thickness and regulations before CS MKSONB4U 4 4 6 35 mm 0 0314 0 8 mm 3 8 9 52 mm 0 0314 0 8 mm potang a Also ENSER CS MKS12NB4U any specified instructions or CS KS18NB4UW 1 4 6 35 mm 0 0314 0 8 mm 1 2 12 70 mm 0 0314 0 8 mm limitations 4 1 5 Additional Materials Required for Installation Refrigeration armored tape Insulated staples or c
3. asa 15 5 1 Mounting on a Wall 6 ADDRESS SWITCH ss nennnnnnnznnnnnznznnzza 16 6 1 Address Setting of the Remote Controller 7 CONNECTING A HOME AUTOMATION DEVIGE See ee ee ee eee er re 17 8 INSTALLATION CHECK SHEET 17 85264190582000 2011 CV6233187754 IMPORTANTI Please Read Before Starting This air conditioning svstem meets strict safetv and operating standards As the installer or service person it is an important part of vour job to install or service the svstem so it operates safelv and efficientiv For safe installation and trouble free operation vou must e Carefully read this instruction booklet before beginning e Follow each installation or repair step exactly as shown G Observe all local state and national electrical codes e 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
4. 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 e Adjust the flap to the desired angle using the remote controller The flap also has an automatic air sweeping mecha nism e 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 possible 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 dang
5. 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 a l aL 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 CAUTION operate for a minimum of 6 min utes after the FS 3P connector is reconnected A 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 T Fig 6 10b 1 Check that the ceiling hole is 23 5 8 600 mm x 23 5 8 ea I aa ae 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 flap operation failure or other problems may occur Fig 6 11 A N e 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 e Do not touch the flap or apply force to it This may cause flap malfunction Fig 6 12 j 3 6 1 Before Installing the Ceiling Panel 4 1 Rem
6. er installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS WARNING When Wiring serena ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURV OR DEATH ONLV A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SVSTEM e Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e 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 c Ground the unit following local electrical codes c 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 the unit must be grounded When Transporting sors na Be careful when picking up and moving the indoor and out door units Get a partner to help and bend vour knees when lifting to reduce strain on vour back Sharp edges or thin alu minum fins on the air conditioner can cut vour fingers When Installing see seen Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easv 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
7. washer for the upper side and 2 nuts and 1 washer EE EE Glaser for the lower side so that the unit will not fall off the kat ui 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 used for upper and lower Suspension lug Double nut 1 2 23 32 13 18mm ea i Fig 6 4 Twist tie 3 4 Installing the Drain Piping 4 vinyl ties supplied En 1 Prepare standard hard PVC pipe locally purchased O D sence a ee Position to 1 1 32 26 mm for the drain and use the supplied hose supplied O D 1 1 32 26mm noel hose band to prevent water leaks Fig 6 5 locally purchased 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 eS hard PVC pipe not supplied Then connect both ends of the supplied drain hose Fig 6 5 Drain hose 3 On the unit drain side grasp the hose band with pliers ae i ee and insert the drain hose all the way to the base mm Gm e f other commercially available hose bands are used the p Pasion Hose band 25mm 25mm 2 bands supplied drain hose may become pinched or wrinkled and there is 5 1 2 140mm danger of water leakage There
8. 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 TA E A EE A eerie By rotating the air intake grille it is possible to attach the Fig 6 23 grille onto the ceiling panel TE ter celina from any of 4 directions panel hook Fig 6 25 When attaching the air intake S gt cee ki an Mi grille be careful that the flap 7N in any of 4 directions and the indicator wiring do l not become caught e Be sure to attach the safety cord that prevents the air intake grille from dropping off to the Hook that prevents agu a l ceiling panel unit as shown droppifi in Fig 6 24 Fig 6 24 Fig 6 25 3 6 5 Checking After Installation e Check that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling sur face Gaps mav cause water leakage and condensation e 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
9. 28 E Solid wire D Loop oL to 5 ID A Insulation Fig 29 pes Stranded wire O c IN Z Ring 3 C gt connector e 2 f Fig 30 Twist wire ends al LL Fig 31 Screw Pa L ID Screw and Ring connector special washer w Ring 2 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 FO a Press and hold the HIGH POWER button and the Pm UT EA 1HR TIMER button ae b Then press and hold the ACL Reset button with HIGH POWER eer t a pointed object such as the tip of a pen After 5 button O iT ela seconds release the ACL button first Hu c Then release the HIGH POWER and 1HR TIMER nN 1HR Sn NN i buttons TIMER ue button d 1 fa 3 z appears ane oP 1 ONKIN in the remote con jk SS troller clock display area Fig 34 FLAP NIGHT SETBACK Cc 2 Start Cooling mode test run by pressing the ON OFF operation button of the remote controller Fig 33 STA e This starts the fan producing uncooled forced air z with the 3 indicator lamps OPERATION lamp TIMER lamp and HIGH POWER lamp on the A main unit blinking Fig 35 OO CI ACL e After 3 minutes the system shifts into cooling Reset operation and cool air will start to be felt Cooling button mode test run is unaffec
10. APPENDIX C INSTALLATION INSTRUCTIONS CS MKS9NB4U amp CZ 18BT1U CS MKS12NB4U amp CZ 18BT1U CS KS18NB4UW amp CZ 18BT1U 852 6 4190 582 00 0 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 IMPORTANT Please Read Before Starting 2 Model Combinations Combine indoor and outdoor units only as listed 1 GENERAL Ee eee 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 indoor Uni Gadoor Unii 1 4 Type of Copper Tube and Insulation Material R 1 5 Additional Materials Required for Installation CS MKS9NB4U CU 3KS19NBU CS MKS12NB4U CU 4KS24NBU 2 INSTALLATION SITE SELECTION 5 CS KS18NB4UW CU 4KS31NBU 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 POSITION nia
11. R 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 HIGH POWER and 1HR TIMER but tons 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 but ton 2 times to change the display to oP 7 Address setting Fig 39 _ ur X i Test run mode mla x Self diagnostic mode U w al 2 0 Q w tal F Address setting mode G OP 7 has now been selected for address setting Press the ON OFF operation button on the remote controller Fig 39 Check that the beep signal received sound is heard from the second indoor unit approximately 5 times The sound you hear is the signal that the remote controller address has been changed 7 Finally press the remote controller ACL Reset button to cancel the blinking oP 7 display Fig 39 Changing of the second remote controller address is now completed 16 ACL button OOOO AIR CONDITIONER A OO SETTEMP S a F BIL c ONG SD OFS AM TIDA TOTA PM 2al 8a 2AA OOL HIGH ON OFF O pou ON OFF O DN operation AS button HIGH POWER IR O button D ZS TEMP 1HR TIMER CV IA i l button FAN SPEED MODE FLAP NIGHT SETBACK ON 0
12. TIMER OFF a v Q CANCEL CLOCK O SENSOR CAPE 12H0P24H ADR ACL A JJIEEEHO ACL Reset WW W button Fig 39 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 verticallv The power and voltage are as specified Inter unit cables are securelv inserted into the terminal block Inter unit cables are securelv fixed The power cable and inter unit cables are not connected anvwhere along their paths The ground wire is securelv connected Thermal insulation has been applied to the tubing connections Drain connections are secure and water drains properlv Puttv has been used to close the hole in the wall Remote controller signals are being positivelv received 17
13. accident c 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 e Check carefully for leaks before starting the test run e 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 e Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring e 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 e 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 refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas 1 General This booklet briefly outlines where and how to install the air con
14. ditioning 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 Figure Q ty Remarks Figure JQtvi Remarks For temporarily n For full scale Washer suspending indoor Truss head screw Cw a 4 installation A unit from ceiling diagram For wide Lejl 1 8 T3 2 narrow tube Drain hose COMO nt G 3 16 T5 connection 5 1 2 L140 For drain hose connection For wide Insulation tape A 2 narrow tube Hose band i 2 3 32 T2 flare nut connection For flare drain Truss head Phillips Vinyl tie insulating Tapping screw 5 32 x 5 8 2 connection 4x16mm Drain hose For drain tube 5 32 x 15 32 sulaton F sem OM tammy fp ep 1 Printed on container box 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 vour nearest sales outlet or air conditioning workshop
15. ere 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 f To prevent loss of the remote controller Mounting screws you can connect the remote controller 5 32 x 5 8 4 x 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 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 37 When the tab is removed the address is automatically set to B Fig 38 3 Press and hold the remote controller HIGH POWER button and 1H
16. erous 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 3P terminal late Power wiring p Locallv purchased 6 Remount the transparent plastic cover onto the 3P terminal Clamping strap plate Earth screw 7 Be sure to use the clamping strap to fasten the wires in place 8 Tighten the screws to remount the terminal and the power Inter unit Conduit box cover Fig 8 12 uo 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 Indo
17. fore 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 New e Attach so that the hose band fastener is on the side of the drain port Reasons a 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 af 5 16 25 mini from pipe easily slips off the end of the supplied drain b The pipe cannot be removed when mainte hose nance is needed hose to the drain port either on the main unit or the PVC pipe 4 Wrap the hose with the supplied drain hose insulation Air bleeder prohibited and use the 4 twist ties so that the hose is insulated with no gaps e Do not bend the supplied drain hose 90 or more The hose may slip off NOTE Fig 6 6 Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps CAUTION Do not install an air bleeder as this may cause water to spray from the drain pipe outlet Fig 6 6 1 ft 800mm or less e In cases where it is necessary to raise the height of the drain piping the drain piping can be raised to a maximum Ri 2 78 ft 850mm 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 h
18. igher 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 e Do not install the pipe with an upward gradient from the connection port This will cause the drain water to flow X Uphill slope backward and leak when the unit is not operating Fig 6 8 e 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 Kia the unit as possible Fig 6 9 e Provide insulation for anv 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 the 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 Over 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 piasie conania Dane naia the
19. ing w Determine the pitch of the suspension bolts using the supplied full scale installation diagram The dia gram shows the relationship between the positions of the suspension fitting unit and panel Fig 6 2 Suspension bolt pitch Ceiling opening dimensions 3 3 Placing the Unit Inside the Ceiling 1 Be sure to remove the fan protection 4pcs for 2245 B 575m raids transportation before hanging up the indoor unit outer dia af 1 32 o 26nn 2 When placing the unit inside the ceiling determine the pitch of the suspension bolts using the supplied full scale installation diagram Fig 6 3 Tubing and wiring must be laid inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing and wiring into position for connection to the unit before placing the unit PP ea ere cal inside the ceiling 91 4 0 6 35mm flared Fig 6 2 1 25 32 4 19 32 30mm 3 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 shown in the diagram Fig 6 3 Over 19 32 15mm 1 2 23 32 13 18mm 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 Da o o _ 7 NN gt gt gt y SSAWWTYTY W TT
20. lamps for connecting wire See local codes Puttv 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 Mone LN 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 INFO Tubing length L1 e installing in locations where there are devices that generate high frequency emissions Elevation of difference H1 UNIT ES H2 DO UNIT e select an appropriate position from which everv corner of H4 INDOOR INDOOR H3 the room can be uniformly cooled L4 e select a location that will hold the weight of the unit Fig 2 select a location where tubing and drain hose have the shortest run to the outside CAUTION allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 1 Air delivery will be degraded if the distance from the floor to the ceiling is greater than install the unit withi
21. n 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 e install the indoor unit more than 3 3 1 m awav from anv antenna or power lines or connecting wires used for tele vision radio telephone securitv svstem or intercom Electrical noise from anv of these sources mav affect operation e install in a sturdv 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 3KS19NBU 82 150 L1 L2 L3 150 L1 L2 L3 50 CU 4KS24NBU 82 150 L1 L2 L3 L4 200 L1 L2 L3 L4 50 0 22 CU 4KS31NBU 100 150 L1 L2 L3 L4 230 L1 L2 L3 L4 50 0 22 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 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 constr
22. or 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 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 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 Special washer Ss 9 32 7 mm ACTUAL STRIP l size SIZE IZZZZI Fig
23. ove the air intake grille and air filter from the ceiling panel NN Ta 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 f j 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 positions 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 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 At this time make sure that the
24. re are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface e lf 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 e 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 e ifa 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 222277777777 222 S Pak 0 Staining 00 6 Condensation water leakage Adjust so that there are no gaps Fig 6 20 10 A Press a 2 Pull up Fig 6 16 Temporarv latches Temporarv latch Fig 6 17 Refrigerant tubing joint DRAIN mark Panel installation hole 4 locations Special screws Fig 6 18 Do not allow E 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 SS Drain pipe side gt c C O 1 Remove the 2 screws from the control box cover then open
25. strong wood or metal frame to provide added support na Room Properlv insulate anv 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 BADEN 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 e Refrigerant gas leakage may cause fire e 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 e 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 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
26. ted by the room tempera ture Fig 33 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 c gs 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 OPERATION button tioner will not operate correctly if this is not done l o a lamp c a TIMER lamp HIGH POWER lamp REMOTE CONTROL receiver Fig 35 14 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 th
27. uction electricity and water e Wait to make connections to the embedded portion Each connection step is described later in this manual e 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 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 Hole in anchor Hole in plug Concrete Insert 3 1 Preparation for Suspending DINO OT IT This unit uses a drain pump Use a carpenter s level to A Yat check that the unit Is level 3 2 Suspending the Indoor Unit IK 1 Fix the suspension bolts securely in the ceiling using ee eae locally purchased the method shown in the diagrams by attaching Fig 6 1 them to the ceiling support structure or by any other MMA 23 5 8 600mm method that ensures that the unit will be securelv Ceiling opening dimensions and safelv suspended Fig 6 1 21 1 32 534mm Suspension bolt pitch Y Follow the diagram to make the holes in the ceil
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