Panasonic S18NKU Installation Manual
Contents
1. OUTDOOR UNIT Remove control board cover Resin and Metal Remove particular plate Remove plugs Fix the conduit connectors to the knockout holes with lock nuts then secure them against the side panel All wires pass through conduits amp particular plate s opening hole Connecting wire between indoor unit and outdoor unit should be UL listed or CSA approved 4 conductor wires minimum AWG 16 in accordance with local electric codes Wire connection to the power supply 208 230V 60Hz through circuit breaker e Connect the UL listed or CSA approved wires minimum AWG12 to the terminal board and connect the other end of the wires to ELCB GFCI Connect the power supply cord and connecting wire between indoor unit and outdoor unit according to the diagram below Terminal on the indoor unit Colour of wires connecting wire Bini Terminal on the outdoor unit Power supply cord POWER SUPPLY SIGA Install the Indoor Unit _ Do not install outdoor unit near handrail of veranda When installing air conditioner unit on veranda of a high rise building child may climb up to outdoor unit and cross over the handrail causing an accident Do not use unspecified cord modified cord joint cord or extension cord for power supply cord Do not share the single outlet with other electrical appliances Poor contact poor insulation or over current will cause electrical shock or fire From i2. Control Board cover consult authorized dealer specialist For the right piping follow the same procedure 3 To flare gas ft 1 To cut 2 To remove burrs S18NKU 2 0HP ll aes S22NKU 2 25HP 5 8 49 2 98 65 6 0 2 32 8 ri Indoor unit 2 27 32 ENGLISH F615163 PRINTED IN MALAYSIA e This illustration is for explanation purposes only The indoor unit will actually face a different way gt Example For S18NKU If the unit is installed at 41 ft distance the quantity of additional refrigerant should be 1 64 oz 41 32 8 ft x 0 2 oz ft 1 64 oz
3. Piping and Guid PESI right and then remove the 2 mounting screws finishing column of outdoor uide Connecting cable Drain hose f Discharge air Installation parts you section and Insulation of surface 3 Pull the lower section of the front grille towards you to remove the front Front grille Cap should purchase piping connection column as grille Vane 1 m This equipment must be properly earthed Earth Wire Mare in indoor outdoor unit e Earth lead wire shall be Yellow Green Y G in colour and anger man ie others P ia S A i shall be longer than other lead wires as shown in the AC wires SGA Secure the Indoor Unit This can be used for left rear piping and bottom piping also Ce eee i oH Screw 4 ini for safet f ne g lt Piping size Installation plate 1 figure for electrical safety in case of the slipping ae v horizontal position and then carry out q Move the vane i A Applicable piping kit g 3i to upward pplicable piping ki Gas Liquid Bushing Sleeve X Replace the drain hose above steps 2 3 in the reverse order pward Cap LS CZ 3F5 7BP 3 8 9 52 mm 1 4 6 35 mm CZ 4F5 7 10BP 1 2 12 7 mm 1 4 6 35 mm CZ 52F5 10BP 5 8 15 88 mm 1 4 6 35 mm SELECT THE BEST LOCATION INDOOR UNIT O Do not install the unit in excessive oil fume areas such as kitchens workshops etc J There should not be any heat source or steam near the unit J There should not be any obstacles blocking the air cir
4. is no leakage of refrigerant gas It may generate toxic gas when the refrigerant comes into contact with fire Indoor unit Drain hose Ventilate if there is refrigerant gas leakage during operation It may cause toxic gas when the refrigerant comes into contact with fire t SIGA Bend the embedded piping v This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electrical shock in case of equipment breakdown or insulation breakdown N CAUTION Do not install the unit at place where leakage of flammable gas may occur In case gas leaks and accumulates at surrounding of the unit it may cause fire Do not release refrigerant during piping work for installation re installation and during repairing a refrigeration parts Take care of the liquid refrigerant it may cause frostbite Do not install this appliance in a laundry room or other location where water may drip from the ceiling etc Do not touch the sharp aluminium fin sharp parts may cause injury KJ Carry out drainage piping as mentioned in installation instructions If drainage is not perfect water may enter the room and damage the furniture KJ Select an installation location which is easy for maintenance Power supply connection to the room air conditioner Power supply cord shall be UL listed or CSA approved 3 conductor with minimum AWG12 w
5. INDOOR UNIT OUTDOOR UNIT 7 SELECT THE BEST LOCATION Refer to Select the best location section Panasonic Required tools for Installation Works 13 Multimeter 14 Torque wrench 13 3 Ibf ft 31 0 Ibf ft 40 6 Ibf ft F615163 3 CONNECT THE PIPING Connecting The Piping to Indoor Do not overtighten over tightening may cause gas leakage Please make flare after inserting flare nut locate at Pipingsize Torque joint portion of tube assembly onto the copper pipe Piping size Torque In case of using long piping 13 3 Ibf ft e Align the center of piping and sufficiently tighten the ae 31 0 Ibi ft flare nut with fingers 40 6 Ibf ft SELECT THE BEST LOCATION Refer to Select the best location section 4 INDOOR UNIT INSTALLATION 47 9 Ibf ft 73 8 Ibf ft 15 Vacuum pump 16 Digital Micron Gauge Philips screw driver Reamer Level gauge Knife Use shock absorber during pull out the piping to protect the intake grille from damage Gas leak detector Measuring tape Thermometer Megameter Electric drill hole core drill 92 3 4 Hexagonal wrench 5 32 Spanner Pipe cutter SAFETY PRECAUTIONS e Read the following SAFETY PRECAUTIONS carefully before installation Z CAUTION Do not turn over the unit without it s shock absorber during pull out the piping It may cause intake grille damage INSTALL THE OUTDOOR UNIT e After selecting the best location start installa
6. L AND INSTALL A SLEEVE OF PIPING 1 Insert the piping sleeve to the hole 2 Fix the bushing to the sleeve 3 Cut the sleeve until it extrudes about 19 32 roo bxideor from the wall Z CAUTION Tee Sleeve When the wall is hollow please be sure for tube to use the sleeve for tube assembly to assembly prevent dangers caused by mice biting the connecting cable KJ Wire routing must be properly arranged so that control board cover is fixed properly If control board cover is not fixed perfectly it will cause fire or electrical shock This equipment must installed with an Earth Leakage Circuit Breaker ELCB or Ground Fault Current Interrupter GFCI or Appliance Leakage Current Interrupter ALCI that has been certified by an NRTL Certified Testing Agency and that is suitable for the voltages and amperages involved Otherwise if may cause electrical shock and fire in case of equipment breakdown During installation install the refrigerant piping properly before running the compressor Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc During pump down operation stop the compressor before removing the refrigeration piping Removal of refrigeration piping while compressor is operating and valves are opened will cause suck in of air abnormal high pressure in refrigeration cycle and result
7. RESET button once pep sound will occur d Press Auto switch again Every time Auto switch is pressed within 60 sec interval the remote Connecting controller receiving sound status will be reversed between ON and OFF cable Long peep sound indicates that remote controller receiving sound is ON i Short pep sound indicates that remote controller receiving sound is OFF Incase of left piping how to insert the board firmly connecting cable and drain hose Is the connecting cable being clamped firmly Is the drainage ok Refer to Check the drainage section Is the earth wire connection properly done J Recommended installation height for indoor unit shall be at least 8 2 ft OUTDOOR UNIT J If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed J There should not be any animal or plant which could be affected by hot air discharged J Keep the spaces indicated by arrows from wall ceiling fence or i 7 Attaching the remote control holder to the wall Is the cooling operation normal Apply putty or Is the thermostat operation normal caulking material to seal the wall opening Remote control holder fixing screws 6 Remote control 3 D er Ts 7 R Ad Ad Is the remote control s LCD operation normal Is the Air purifying filter installed Remote co
8. ble Y Adjust the piping slightly Drain cap Drain hose J A place where noise prevention is taken into consideration J Do not install the unit near a doorway J Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles checking for gas leaks and secure with vinyl tape X Vinyl tape E Vinyl tape wide X Ss e Apply after carrying out a drainage test 7 32 or more gap between wires No loose strand when inserted D amp PROHIBITED PROHIBITED downwards Sleeve for piping hole the starting of Test Run operation REMOTE CONTROLLER RECEIVING SOUND ON OFF The ON OFF of Remote controller receiving sound can be change over by the following steps Has the heat insulation been carried out at flare nut connection Is the connecting cable being fixed to terminal Is the power supply voltage complied with rated value Is there any abnormal sound e To carry out the drainage test remove the air filters and pour water into the heat exchanger Sect 8 CUTTING AND FLARING THE PIPING 1 Please cut using pipe cutter and then remove the burrs e How to pull the piping and drain hose out in case of the embedded piping a Press AUTO switch continuously until pep pep pep pep sound is heard about 16 sec b Release the Auto switch button c Press the remote controller AC
9. culation J A place where air circulation in the room is good J A place where drainage can be easily done Sleeve X connaetion Rear view for left piping installation Putty X Gum Type Sealer AUTO SWITCH OPERATION The below operations will be performed by pressing the AUTO switch 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed and release before 5 sec More than 45 9 32 2 TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec A pep sound will occur at the fifth sec in order to identify UW WIRE STRIPPING AND CONNECTING REQUIREMENT o LY ta R Connecting a cable Bend the pipe as closely on the wall as possible but be careful that it doesn t break Wire stripping Conductor not fully inserted Conductor over inserted Conductor fully inserted CHECK ITEMS Indoor outdoor connecting terminal board Left and right are identical Insulation of piping connections e Carry out insulation after Drain hose Piping Is there any gas leakage at flare nut connections Is the indoor unit properly hooked to the installation plate Drain hose Connecting ca
10. e two people to carry out the installation work Attached accessories Air filter Indoor Outdoor Unit Installation Diagram Piping direction Simeg Connect the piping v Baa i I e Please refer to Connecting the piping column in outdoor unit section Below steps are done after connecting the outdoor piping and gas leakage confirmation Attention not to bend up drain hose Remote control holder ww f EVALUATION OF THE PERFORMANCE f E e Operate the unit at cooling operation mode for fifteen minutes or more e Measure the temperature of the intake and discharge air e Ensure the difference between the intake temperature and the discharge is more than 46 4 F Front side HOW TO TAKE OUT FRONT GRILLE Please follow the steps below to take out front grille if necessary such as when servicing 1 Set the vertical airflow direction louvers to the horizontal position 2 Slide down the 2 caps on the front grille as shown in the illustration at Right Rear KIDS Right bottom Left TN Left Remote control holder fixing screw m Installation plate fixing screw Gas side piping Liquid side Rear Left bottom SiGe insulate and finish the piping Ding ipin Air purifying filter e Please refer to
11. en front panel and remove air filters Drainage checking To take out the unit push the marking at the PURIFYING FILTER Power supply point should be in an easily accessible place for power disconnection in case of emergency flaring the piping bottom unit and pull it slightl n f F z ee ee iaa eers youto disengagethe Open te ront panel a E canes ween AO tae a ler Pply di reii brosket Paina ies ciel for tie i i a SiG Eg Install the Indoor Unit marking hooks from the unit Mp panes mm E ah t water fl ORT Ural y f the ind it styrofoam se approved fuse or circuit breaker rating refers to name plate for the permanent connection The inside and outside connecting cable can be connected without 2 Remove the air filters SUIS IAL WALLED OWS OUL IMOM Oral NOSE One InCGOr Unit C Q Conduit removing the front grille a onnec Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut then secure it against chassis Connecting wire between indoor unit and outdoor unit should be UL listed or CSA approved 4 conductor wires minimum AWG16 in accordance with local electric codes e Ensure the colour of wires of outdoor unit and terminal number are the same as the indoor s respectively 3 Put the air purifying filter into place as shown in illustration at right Q Installation work It may tak
12. fect is found in electrical work it will cause electrical shock or fire the bottom piping Drain hose piping needle in the gauge does not move after approximately five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve Tighten the service port caps of the 3 way valve at a torque of 13 3 Ibf ft with a torque wrench Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 5 32 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage the right piping 11 For wire stripping and connection requirement refer to instruction of indoor unit This equipment must be properly earthed Do not use spliced wires for indoor outdoor connection cable Use the specified indoor outdoor connection cable refer to instruction INDOOR OUTDOOR UNIT ELECTRICAL WIRING and connect tightly for indoor outdoor connection Clamp the cable so that no external force will have impact on the terminal If connection or fixing is not perfect it will cause heat up or fire at the connection Siga Secure the Indoor Unit e Earth lead wire shall be Yellow Green Y G in colour and longer than other lead wires for electrical safety in case of the slipping yr TO DRILL A HOLE IN THE WAL
13. in explosion injury etc Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage Control Board Cover Metal Install the indoor unit Y Y Terminal Hooks at Control ermina Hook the indoor unit onto the a LX installation Board Y car upper portion of installation plate NN plate Engage the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Z CAUTION e f gauge needle does not move from 0 PSI to 14 5 PSI in step 3 above take the following measure If the leak stops when the piping connections are tightened further continue working from step If the leak does not stop when the connections are retightened repair location of leak Do not release refrigerant during piping work for installation and reinstallation Take care of the liquid refrigerant it may cause frostbite Cover 3 FOR THE EMBEDDED PIPING Resin Earth wire longer than others AC wires for safety reason Sleeve for piping hole a Piping 9 Earth wire longer than others AC wires for safety O reason Teee Indoor amp outdoor cable connection SiG Replace the drain hose i After completion of installation confirm there
14. ing death or serious injury a e e Make flare after inserting the flare nut locate at valve onto Spannerof S S18NKU S22NKU 24 1 8 5 5 32 5 8 14 3 16 the copper pipe Fe i ee fess Align center of piping to valve and then tighten with torque mentee A CAUTION This indication shows the possibility of causing injury or damage to properties only SM KO oS wrench to the specified torque as stated in the table Torque o Hi gt o o a gt wrench The items to be followed are classified by the symbols Symbol with white background denotes item that is PROHIBITED 1 FOR THE RIGHT REAR PIPING SiG Pull out the Indoor piping Symbol with dark background denotes item that must be carried out e Carry out test running to confirm that no abnormality occurs after the installation Then explain to user the operation care and maintenance as stated in instructions Please remind the customer to keep the operating instructions for future reference Tape it with piping in a position as mentioned in Fig below plate 4 i EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure 5 CONNECT THE CABLE TO THE Measuring H Tape g
15. ires e Use a spring bender or equivalent to bend the piping so that the piping is not crushed z Approx 7 32 9 32 PIPING INSULATION Secure the Indoor Unit 1 Press the lower left and right side of the unit against the installation plate until hooks engages with their slot sound click Knockout Holes Step 3 Pull the connecting cable 4 Finish by sealing the sleeve with putty or into Indoor Unit caulking compound at the final stage Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 1 4 or above Bushing for tube assembly e The inside and outside connecting cable can be connected without removing the front grille ws Particular p Plate Particular Plate s opening holes Connectors 2 3 4 through hole Putty or caulking compound ADS Installation plate Cut and flare the embedded piping e When determining the dimensions of the piping slide the unit all the way to the left on the installation plate e Refer to the section Cutting and Step 4 es Air purifying filter Z a INSTALLATION OF AIR CHECK THE DRAINAGE Op
16. nstallation If installation done by the user is incorrect it will cause water leakage electrical shock or fire e Line according to the left and right side of the installation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 5 1 16 for left and right hole Cover Cover for the or the bottom pipin Cover for the ae left bottom piping piping SIGRE Secure the Indoor Unit Indoor unit Liquid side Two way valve Outdoor unit SS os a T Close SiG a Insert the connecting cable How to keep the cover In case of the cover is cut keep the cover at the rear of chassis as shown in the illustration for future reinstallation Left and 2 bottom covers for piping The center of installation plate should be at more than at right and left of the wall The distance from installation plate edge to ceiling should more than a Two way valve Close S 2 FOR THE RIGHT BOTTOM PIPING Vacuum pump SiG Pull out the Indoor piping i Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve e Be sure to connect the end of the charging hose with
17. nstallation plate right edge to unit s right is When installing or relocating air conditioner do not let any substance other than the specified refrigerant eg air etc mix into refrigeration cycle piping A ve is er er Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion injury etc For left side piping piping eaae eta for liquid should be about from this line For left side piping piping connection for gas should be about from this line Do not add or replace refrigerant other than specified type It may cause product damage burst and injury etc 1 Mount the installation plate on the wall with 5 screws or more at least 5 screws If mounting the unit on For R410A model use piping flare nut and tools which is specified for R410A refrigerant Using of existing R22 piping flare nut and tools may cause abnormally high the concrete wall consider using anchor bolts pressure in the refrigerant cycle piping and possibly result in explosion and injury Always mount the installation plate horizontally by aligning the marking off line with the thread and Thickness or copper pipes used with R410A must be more than 1 32 Never use copper pipes thinner than 1 32 using a level gauge itis desirable that the amount of residual oil is less than 0 0008 oz ft A Ci s 2 Drill the piping plate hole with 2 3 4 hole core drill Engage authorized dealer or specialist for i
18. ntrol holder More than 27 9 16 other obstacles 2 Remove the burrs by using reamer If burrs is not removed gas leakage may be caused Drain hose 1 Do not place any obstacles which may cause a short circuit of the Conduit Turn the piping end down to avoid the metal powder entering the pipe from main unit discharged air Power supply cord 3 Please make flare after inserting the flare nut onto the copper pipes r PVC tube VP 65 for piping J If piping length is over the piping length for additional gas Lf 9 oe Mimproper taring ea E an and connecting cable additional refrigerant should be added as shown in the table Conduit Pipe ias z PVC tube for drain hose VP 30 Recommended installation height for outdoor unit should be above It is advisable to hq Connecting cable samor Bar 07 32 Ve i rt yf the seasonal snow level avoid more than 2 oN ee g gt ah Inclined Sifface Crack d Uneven blockage directions Liquid side piping aw IK damaged thickness PVC tube Cable I Piping size lek tala a Gas side piping X re gt a When properly flared the internal surface of the ie drain g m n Piping for add installation please H m as Sige piping lt Point down amp Clamp handle Red arrow mark Copper flare will evenly shine and be of even thickness ose Piping pipe Since the flare part comes into contact with the Additional drain hose B connections carefully check the flare finish
19. the push pin to the service port Connect the center hose of the charging set to a vacuum pump SIGRA Install the Indoor Unit v Tape it with piping in a position as mentioned in Fig below Install according to this installation instructions strictly If installation is defective it will cause water leakage electrical shock or fire Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall water leakage fire or electrical shock bes a ead 9 Secure the wire onto the control board with the holder clamper l a ea T E e e in the gauge moves s s e Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor f 10 After completing wiring connections reattach th rticular plate and control board cover metal and ee Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and side Step 3 Insert the connecting cable Cover Tor Cover for Paa Eo e coina Posion wiii fe ae i R A N E board cover metala Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the cause injury For installation work follow all electrical building plumbing local codes regulations and these installation instructions If electrical circuit capacity is not enough or a de
20. tion to Indoor Outdoor Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut 13 32 2 When installing at roof please consider strong wind and earthquake HOW TO FIX INSTALLATION PLATE The mounting wall must be strong and solid enough to prevent it from the vibration e Further tighten the flare nut with torque wrench in specified torque as stated in the table e Electrical work must be installed by a licensed electrician Be sure to use the correct rating of the power plug and main circuit for the model to be installed 3 Please fasten the installation stand firmly with bolt or nails The caution items stated here must be followed because these important contents are related to safety The meaning of each indication used is as below Wall Wall Wall A Connecting The Piping to Outdoor Incorrect installation due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications y More than te More than N Decide pising e a a cutter lt 2 screw More than Indoor unit R b f t ed gt Oi A emove burrs from cut edge q A WARNING This indication shows the possibility of caus
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