Panasonic E12NKUA Installation Manual
Contents
1. 11 2 3 2 For the right bottom piping SIGE Pull out the Indoor piping B SIGA Install the Indoor Unit 4 BIGRE Insert the connection cable k SIGS Secure the Indoor Unit 11 2 3 3 For the embedded piping SIGA Replace the drain hose Slisjepem Bend the embedded piping E s e Use a spring bender or equivalent to bend the piping so that the piping is not crushed SIGRE Pull the connection cable into Indoor Unit B e The inside and outside connection cable can be connected without removing the front grille BiGo a Cut and flare the embedded piping y 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 flaring the piping SiG gg Install the Indoor Unit B Siicjemee Connect the piping J 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 SGA Insulate and finish the piping e Please refer to Piping and finishing column of outdoor section and Insulation of piping connection column as mentioned in indoor outdoor unit installation Sieg Secure the Indoor Unit i 23 Use shock absorber when pulling out the piping to protect the intake grille from damage EJ i li 42. POWER SUPPLY Earth wire longer than Earth wire 9 Secure the wire onto the control board with the holder others AC longer than clamper Ws for others AC 10 After completing wiring connections reattach the control sa Me for board cover Metal and Resin and the top panel to the y original position with the screws 11 For wire stripping and connection requirement refer to instruction 11 2 4 of indoor unit A WARNING indoor g This equipment must be properly earthed outdoor e Earth lead wire shall be Yellow Green Y G in colour and shall connection be longer than other lead wires as shown in the figure for electrical safety in case of the slipping reason 11 3 3 2 Piping Insulation 1 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 2 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 28
3. marking at the bottom unit and pull it slightly towards you to disengage the hooks from the unit marking Insert the connection cable Connection So W cable Gas side piping Liquid side piping Drain hose LK Rely Connection cable Guide surface This can be used for left rear piping and bottom piping also Replace the drain hose Rear view for left piping installation py i Connection cable Drain hose Pipin A E Connection eee More than 45 9 32 2 Drain hose Drain cap cable Drain hose Adjust the piping slightly downwards Sleeve for piping hole e How to pull the piping and drain hose out in case of the embedded piping How to insert the connection cable and 11 2 4 1 2 Apply putty or caulking material to seal the wall Connection opening Drain hose from main unit PVC tube VP 65 for piping and connection cable PVC tube for drain hose VP 30 More than 27 9 16 PVC tube for drain hose VP 20 PVC tube Cable for drain ama hose Piping Indoor unit 1 2 27 32 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut then se
4. PSIG with dry nitrogen in stages Thoroughly leak check the system If the pressure holds release the nitrogen and proceed to section 11 3 3 11 3 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 procedures Liquid side Indoor unit Gata Rn E Two way valve Outdoor unit OPEN Three way yave Vacuum pump 1 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 2 Connect the micron gauge between vacuum pump and service port of outdoor units 3 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 4 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 Close NO 27 8 Mount valve caps onto the 2 way valve and the 3 way valve o Be sure to check for gas leakage If micron gauge value does not descend 500 micron
5. 11 11 1 Select the Best Location Installation Instruction 11 1 1 Indoor Unit e Do not install the unit in excessive oil fume area such as kitchen workshop and etc e There should not be any heat source or steam near the unit 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 the door way 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 11 1 2 Outdoor Unit e 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 e There should not be any animal or plant which could be affected by hot air discharged e Keep the spaces indicated by arrows from wall ceiling fence or other obstacles e Do not place any obstacles which may cause a short circuit of the discharged air e f piping length is over the piping length for additional gas additional refrigerant should be added as shown in the table e Recommended installation height for outdoor unit should be above the seasonal snow level cs Btu h a mi me ar ta ae Paez se ose oo me Example For E9NKUAW If the unit is installed at 32 8 ft dista
6. My li my ny Ky my ipin m ls Ee 4 Shock absorber _ gt U__l Right Rear piping Tape it with piping in a position as mentioned in Fig below Cover Cover for the for the i lt _ bottom pipin hose Cover for the Q Piping ion bottom piping amp 3 piping Q 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 Right and Right Bottom piping Tape it with piping in a position as mentioned in Fig below Cover for Cover for the the left bottom piping piping Cover for Drain hose the right piping i Install the indoor unit Hooks at TT 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 Sleeve for piping hole ew Piping LI Drain hose SS Unit s Installation hook plate To take out the unit push the
7. ake flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table 26 Model A B C D E9NKUA E12NKUA 22 7 16 4 1 8 23 32 12 19 32 Do not over tighten 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 5 or Wrench Torque wrench 11 3 2 3 Connecting the piping to outdoor multi 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 Male side val Ee Bains Female side a Applicable to Auxiliary pipe Connection pipe Liquid and Gas side of CS E9NKUAW pP Liquid side of Wrench CS E12NKUAW Adjustable Wrench lt Torque Wrench for Flare Nut Hall Union Enosis Flare Nut Packing Reducer Male side a x p Female side Auxiliary pipe 0 Connection pipe Applicable to Wrench Gas side of Adjustable Wrench CS E12NKUAW Torque Wrench for Flare ee aa Nut and Pipe Size Reducer 11 3 2 4 Gas Leak Checking Pressure test to system to 400
8. cure it against chassis Connection cable 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 repectively A WARNING This equipment must be properly earthed o Earth lead wire shall be Yellow Green 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 24 drain hose in case of left piping Piping For the right piping follow the same procedure Conduit Connector Earth Wire longer than others AC wires for safety reason Indoor and outdoor connection cable 11 2 5 Wiring Stripping and connecting requirement Wire stripping Conductor Conductor Conductor not Indoor outdoor fully inserted over inserted fully inserted connecting aa terminal board 7 32 JL or more No loose strand when inserted gap between ACCEPT PROHIBITED PROHIBITED wires o x H N e amp CS 11 2 5 1 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 are 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
9. 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 6 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 11 2 2 To Drill a Hole in the Wall and Install a Sleeve of Piping Insert the piping sleeve to the hole Fix the bushing to the sleeve Cut the sleeve until it extrudes about 19 32 from the wall Sleeve for tube N CAUTION assembly When the wall is hollow please be sure w N gt Approx 7 32 9 32 to use the sleeve for tube assembly to prevent dangers caused by mice biting the connection cable ml Bushing for tube assembly Se 2 3 4 mm through 4 Finish by sealing the sleeve with putty or hole Putty or caulking compound caulking compound at the final stage 22 11 2 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 a Intake grille 11 2 3 1 For the right rear piping SIGE Pull out the Indoor piping m Silene Install the Indoor Unit SIGES Secure the Indoor Unit k SIGE Insert the connection cable
10. nce the quantity of additional refrigerant should be 1 64 oz 32 8 24 6 ft x 0 2 oz ft 1 64 oz 21 11 1 3 Indoor Outdoor Unit Installation Diagram Piping direction Do not bend up drain hose Front side Right Rear le Left bottom Rear Left bottom Installation parts you should purchase X Installation plate Bushing Sleeve X Sleeve X Putty X A Gum Type Sealer Bend the pipe as closely on the wall as possible but be careful that it doesn t break Left and right are identical N insulation of piping connections Carry out insulation after JE checking for gas leaks and secure with vinyl tape L_ Vinyl tape wide oe kd e Apply after carryin X Vinyl tape RS out s Ek e To carry out the ai drainage test kas remove the air filters and pour water into the heat exchanger Attaching the remote control holder to the wall Remote control holder fixing screws 6 Remote saar control 3 A e a e o a _ Saddle Ze r Remote control holder 5 pA 3 Conduit NE ee Power supply cord ar Itis advisable to S Conduit avoid more than 2 blockage directions For better ventilation Connection cable Le Liquid side piping gt Gas side piping Additi
11. onal drain hose Control Board cover amp multiple outdoor installation please consult authorized dealer specialist e This illustration is for explanation purposes only The indoor unit will actually face a different way 11 2 Indoor Unit 11 2 1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration Wall Wall Wall nanana a Y More than Q More than Q X Al More than Indoor unit 2 gt Oi 2 screw Cm a i 7 9 17 32 K p Installation Measuring plate 1 Tape 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 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 concrete 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
12. onto the copper pipes Improper flaring Pipe Handle Reamer Bar Bar 0 1 32 7 TI wd Y ow Sa Yoke Inclined_ Stiface Crack Uneven vA KS Seed ore damaged thickness Point d A TYY Q When properly flared the internal surface of the oint gown Clamp handle Red arrow mark aia flare will evenly shine and be of even thickness Since the flare part comes into contact with the 1 To cut 2 To remove burrs 3 To flare connections carefully check the flare finish 25 11 3 Outdoor Unit 11 3 1 Install the Outdoor Unit e After selecting the best location start installation according 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 Please fasten the installation stand firmly with bolt or nails 11 3 2 Connect the Piping 11 3 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 11 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge M
13. s 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 work for installation and reinstallation Be careful with the liquid refrigerant it may cause frostbite 11 3 3 1 Connect the Cable to the Outdoor Unit Remove Top panel Top Panel Remove Control Board Cover Resin and Metal Remove Plugs Fix the conduit connectors to the knockout holes with Control Board lock nuts then secure them against the side panel MetalCover Lokate All wires pass through conduits Control Board Connection cable between indoor unit and outdoor Gover Resin 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 AWG14 to the terminal board and connect the other end of the wires to ELCB GFCI Connect the power supply cord and connection cable D between indoor unit and outdoor unit according to the diagram below Terminals on the indoor unit Colour of wires connection cable Terminals on the outdoor unit power supply cord ONS aa L Knockout Holes Plugs a Side Panel Connectors 9
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