Panasonic S24NKUA Installation Manual
Contents
1. Use shock absorber during pull out the piping to protect the intake grille from damage 10 1 3 4 For the right rear piping 10 1 3 5 For the right bottom piping Pull out the Indoor piping SIGA Install the Indoor Unit Insert the connecting cable Secure the Indoor Unit i 10 1 3 6 For the embedded piping S clesam Replace the drain hose SiGe Bend the embedded piping 5 Use a spring bender or equivalent to bend the piping so that the piping is not crushed Sigi Pull the connecting cable into Indoor Unit 5 The inside and outside connecting cable can be connected without removing the front grille SiG Cut and flare the embedded piping E n When determining the dimensions of the piping slide the unit all the way to the left on the installation plate Refer to the section Cutting and flaring the piping SiG gs Install the Indoor Unit Sica Connecting the piping Please refer to Connecting the piping column in outdoor unit section Below steps are done after connecting the outdoor piping and gas leakage confirmation SGA Insulate and finish the piping 4B gt Please refer to Piping and finishing column of outdoor section and Insulation of piping connection column as mentioned in indoor outdoor unit installation Shicjeese Secure the Indoor Unit He 21 Tape it with piping in a position a2. Y G in colour and shall be longer than other lead wires as shown in the figure for electrical safety in case of the slipping R Holder connection 22 10 1 3 8 Wire Stripping and connecting requirement Wiro sipping Indoor outdoor Conductor Conductor Conductor not connecting fully inserted over inserted fully inserted terminal board p J 7 or more E No loose strand when inserted gap between ACCEPT PROHIBITED PROHIBITED wires 10 1 3 9 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burrs is not removed gas leakage may be caused Turn the piping end down to avoid the metal powder entering the pipe 3 Please make flare after inserting the flare nut onto the copper pipes E improper flaring W Handle Bar 0 1 32 Vf T wT Y Inclined Surface Crack d Uneven damaged thickness x When properly flared the internal surface of the Clamp handle Red arrow mark Copper flare will evenly shine and be of even thickness 1 To cut 3 To flare pipe Since the flare part comes into contact with the locu 2 To remove burrs connections carefully check the flare finish 23 10 1 4 Outdoor Unit 10 1 4 1 Install the Outdoor Unit e After selecting the best location start installation to INDOOR OUTDOOR UNIT INSTALLATION DIAGRAM 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut 613 32 2 When i
3. or Wrench 10 1 4 3 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 Indoor unit Yn Liquid side P S Two way valve Outdoor unit 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 Connect the micron gauge between vacuum pump and service port of outdoor units Turn on the power switch of the vacuum pump and make sure that connect digital micron gauge and to pull down to a value of 500 microns To make sure micron gauge a value 500 microns and close the low side valve of the charging set and turn off the vacuum pump Disconnect the vacuum pump house 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 o Be sure to check for gas leakage Z CAUTION If micron gauge value does not descend 500 microns take the following measures 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 wor
4. that it doesn t break Insulation of piping connections 10 1 1 2 Outdoor Unit Carry out insulation after i checking for gas leaks and Vinyl tape wide gt Apply after carrying e If an awning is built over the unit to prevent direct secure with VE tage out a drainage test sunlight or rain be careful that heat radiation from u ee the condenser is not obstructed K Attaching the remote control holder to the wall 1 namove airian e There should not be any animal or plant which PC een the neat exchanger Remot could be affected by hot air discharged conoi 3 M4 ae Ore t_ Ez e Keep the spaces indicated by arrows from wall 2 Pag SA Saads ceiling fence or other obstacles E Rinoa cocirof hoida E z e Do not place any obstacles which may cause a a a ain short circuit of the discharged air TIN SE p71 Power supply cora gt e f piping length is over the piping length for itis advisabioto _ s Conduit aie rie id more than 2 additional gas additional refrigerant should be bockage directions Be ranean added as shown in the table amp multiple outdoor e Sai sci z n installation please S x g Gas side piping e Recommended installation height for outdoor unit pelcenrhect md Additional drain hose Oz LT Control Board cover should be above the seasonal snow level at gt 7 This illustration is for a YG explanation
5. purposes only 4 The indoor unit will actually face Min Max Piping a different way Piping Piping Additional Length Piping size j Length Length Refrige for add Gas Liquid i ft ft rant oz ft gas ft S18NKUA 2 98 100 0 0 3 32 8 S24NKUA 24000 ad j j k 0 3 32 8 Example For S18NKUA If the unit is installed at 41 ft distance the quantity of additional refrigerant should be 2 46 oz 41 32 8 ft x 0 3 oz ft 2 46 oz 19 10 1 3 Indoor Unit 10 1 3 1_ How to Fix Installation Plate The mounting wall must be strong and solid enough to prevent if from the vibration More than e ee More than Indoor unit Measuring Tape Model Dimension S18NKUA S24NKUA 23 1 32 3 7 32 6 1 2 6 7 32 6 21 32 8 5 8 The centre 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 From installation plate left edge to unit s left side is From installation plate right edge to unit s right side is For left side piping piping connection for liquid should be about from this line For left side piping piping connection for gas should be about from this line 1 Mount the installation plate on the wall with 5 screws or more at least 5 screws If mounting the unit on the concret
6. 10 Installation Instruction e IMPORTANT only for S18NKUA This product has been designed and manufactured to meet ENERGY STAR criteria for energy efficiency when matched with appropriate coil components However proper refrigerant charge and proper air flow are critical to archive rated capacity and efficiency Installation of this product should follow the manufacturer s refrigerant charging and air flow instructions Failure to confirm proper charge and airflow may reduce energy efficiency and shorten equipment life 10 1 1 Select the Best Location 10 1 2 Indoor Outdoor Unit Installation Diagram 10 1 1 1 Indoor Unit e Do not install the unit in excessive oil fume areas nT ges such as kitchens workshops etc e There should not be any heat source or steam Attention not to bend up drain hose near the unit Fig boltom es Lk bonom e There should not be any obstacles blocking the air circulation e A place where air circulation in the room is good e A place where drainage can be easily done e A place where noise prevention is taken into consideration e Do not install the unit near a doorway e Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles e Recommended installation height for indoor unit shall be at least 8 2 ft Installation plate 1 Bushing Sleeve Sleeve Putty gt Gum Type Sealer Bend the pipe as closely on the wall as possible but be careful
7. arth lead wire shall be Yellow Green Y G in colour and longer than other lead wires for electrical safety in case of the slipping Connecting Wires Control Board Cover Metal Control Board Terminal Board Front Panel Cover Resin V Earth wire Earth wire longer than longer than Particular others others Plate AC wires Holes Particular Plate s opening holes 10 1 4 5 Piping Insulation 1 2 using POLY E FOAM with thickness 1 2 or above 26 for safety reason for safety reason Indoor amp outdoor cable connection 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
8. e wall consider using anchor bolts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with 2 3 4 hole core drill o 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 respectively o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side 10 1 3 2 To Drill a Hole in the Wall 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 from the wall 19 32 Sleeve for tube assembly When the wall is hollow please be sure to use the sleeve for tube assembly to prevent dangers caused by mice biting the connecting cable gt Approx 7 32 9 32 LTT gt UOT Bushing for tube assembly Putty or caulking compound 4 Finish by sealing the sleeve with putty or 2 3 4 through hole caulking compound at the final stage 20 10 1 3 3 Indoor Unit Installation Do not turn over the unit without it s shock absorber during pull out the piping It may cause intake grille damage
9. k for installation and reinstallation Be careful with the liquid refrigerant it may cause frostbite 10 1 4 4 Connect the Cable to the Outdoor Unit 1 DY Oe COND Pi 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 AWG16 in accordance with local electric codes Wire connection to the power supply 208 230V 60Hz through circuit breaker o 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 25 Terminals on the indoor unit Colour of wires connecting wire Terminals on the outdoor unit power supply cord POWER SUPPLY 9 Secure the wire onto the control board with the holder clamper 10 After completing wiring connections reattach the particular plate and control board cover Metal and Resin to the original position with the screws 11 For wire stripping and connection requirement refer to instruction of indoor unit This equipment must be properly earthed o E
10. nstalling at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 10 1 4 2 Connect the Piping 10 1 4 2 1 Connecting the piping to indoor Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping e Align the center of piping and sufficiently tighten the flare nut with fingers e Further tighten the flare nut with torque wrench in specified torque as stated in the table 10 1 4 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table 10 1 4 2 3 Gas Leak Checking Pressure test to system to 400 PSIG with dry nitrogen in stages Thoroughly leak check the system If the pressure holds release the nitrogen and proceed to section 10 1 4 3 24 Model D S18NKUA S24NKUA 24 1 8 5 5 32 5 8 14 3 16 Do not overtighten over tightening may cause gas leakage Piping size Torque 1 4 13 3 Ibf ft 3 8 31 0 Ibf ft 1 2 40 6 Ibf ft 5 8 47 9 Ibf ft 3 4 73 8 Ibf ft ay Spanner o qQ Torque wrench
11. place the drain hose Rear view for left piping installation Drain hose Connecting cable Drain hose Adjust the piping slightly downwards Sleeve for piping hole Incase of left piping how to insert the connecting cable and drain hose Apply putty or caulking material to seal the wall opening Drain hose from main unit PVC tube VP 65 for piping PVC tube for and connecting cable drain hose VP 20 PVC tube for drain hose VP 30 More than 27 9 16 PVC tube Cable for drain hose Piping For the right piping follow the same procedure Indoor unit 2 27 32 10 1 3 7 Connect the Cable to the Indoor Unit 1 The inside and outside connecting cable can Conduit be connected without removing the front grille Connector 2 Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut then secure it against chassis Hook Nut 3 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 o Ensure the colour of wires of outdoor unit and terminal number are the same as the indoor s respectively Torras onte nooru 2 Rear Side of Indoor Unit Earth Wire longer than others AC wires for safety reason Colour of wires connecting wire Terminais on he ousoorunt 1 2 This equipment must be properly earthed o Earth lead wire shall be Yellow Green
12. s y mentioned in Fig below s Co Re Cover forthe forthe bottom pipin hose Cover for the eS Rend ale bottom piping Qa z piping 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 Cover for piping Right and Right Bottom piping ape it with piping in a position as mentioned in Fig below Piping Cover for Cover for Ar the left Drainhose the right bottom piping piping piping Install the indoor unit Hooks at installation Hook the indoor unit onto the upper plate portion of installation 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 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 s marking Insert the connecting cable Sleeve for piping hole Pipi Lla Piping SAAS Indoor unit Drain hose BAS Unit s Installation hook plate To take out the unit push the marking at the bottom unit and pull it slightly towards you to disengage the hooks from the unit Connecting Liquid side piping Drain hose This can be used for left rear piping and bottom piping also Re
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