Air-Conditioners SEZ-KA35, KA50, KA60, KA71VA INSTALLATION MANUAL FOR INSTALLER For safe and correct use, please read this manual and outdoor unit installation manual thoroughly before installing the air-conditioner unit. English E°XEIPI¢IO O¢H°IøN E°KATA™TA™H™ °È· ÛˆÛÙ‹ Î·È ·ÛÊ·Ï‹ ¯Ú‹ÛË, ‰È·‚¿ÛÙ ÚÔÛÂÎÙÈο ·˘Ùfi ÙÔ ÂÁ¯ÂÈÚ›‰ÈÔ, ηıÒ˜ Î·È ÙÔ ÂÁ¯ÂÈÚ›‰ÈÔ ÂÁηٿÛÙ·Û˘ Ù˘ Â͈ÙÂÚÈ΋˜ ÌÔÓ¿‰·˜, ÚÈÓ ·fi ÙËÓ ÂÁηٿÛÙ·ÛË Ù˘ ÌÔÓ¿‰·˜ ÎÏÈÌ·ÙÈÛÙÈÎÔ‡.
Contents 1. 2. 3. 4. 5. Safety precautions ................................................................................... Selecting the installation location ............................................................. Installation diagram & Accessories .......................................................... Indoor unit installation .............................................................................. Refrigerant piping work ................................................................
. Installation diagram & Accessories A ■ SEZ-KA35/KA50/KA60/KA71VA Air inlet (rear side) dimensions 42 930 J H 215 240 12.5 120 (mm) Air inlet (bottom side) dimensions G J 7×100=700 955 24-ø2.9 holes 450 150 2 77 39 77.5 100 215 7×100=700 955 J 24-ø2.9 holes 600 50 150 1 930 J 25 51 240 120 1016 I 12.5 29 5027 25 PLATE (A) 77.5 100 700 350 1000 680 5 3 38 60 (10) 50 6 40 50 100 7×100=700 880 9×2-ø2.9 holes 9 0 1070 3 20 or more B 32.
. Indoor unit installation 4.1. Suspension Structure (Give site of suspension strong structure.) 35 0 4.1.1. Wooden structure (Fig. 4-1) • Select tie beam (one-story houses) or second-floor girder (two-story houses) as reinforcement member. • Use sturdy beams of at least 6 cm square for beam pitch of 90 cm or less or of at least 9 cm square for beam pitch of 90-180 cm. 70 10 A B A B C D C D Fig. 4-1 Ceiling Rafter Beam Roof beam 4.1.2. Ferroconcrete structures (Fig.
. Refrigerant piping work b a c d 90° e a b c d e f f Copper tubes Good No good Tilted Uneven Burred Fig. 5-2 • Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. 5.2.1. Pipe cutting (Fig. 5-2) • Using a pipe cutter cut the copper tube correctly. 5.2.2. Burrs removal (Fig. 5-3) b a 5.2. Flaring work a b c d c d Burr Copper tube/pipe Spare reamer Pipe cutter • Completely remove all burrs from the cut cross section of pipe/tube.
. Drainage piping work 6.1. Drainage pipe connection (Fig. 6-1) Indoor unit’s drainage pipe H2 H1 • The drainage pipe should be arranged so that the discharge end is lower than the other end, as shown in the figure opposite. • Place the trap outside the unit. • After connecting the drainage pipe, make sure that water is discharged properly and that there are no leaks. A A Drainage piping connection 1 RP male.
. Electrical work 1 4 5 7.2. Indoor wire connection (Fig. 7-2) Work procedure 1.Remove 2 screws to detach the electric component cover. 2.Route each cable through the wiring intake into the electric component box. (Procure power cable and in-out connecting cable locally and use remote control cable supplied with the unit.) 3.Securely connect the power cable and the in-out connecting cable and the remote control cable to the terminal blocks. 4.
7. Electrical work B 7.3. Remote controller A 7.3.1. For wired remote controller 30 1) Installing procedures (1) Select an installing position for the remote controller. (Fig. 7-4) The temperature sensors are located on both remote controller and indoor unit. s Procure the following parts locally: Two piece switch box Thin copper conduit tube Lock nuts and bushings 30 30 83.5 46 C A E F I G H 120 C D Fig. 7-4 B-1. B-2.
7.
8. Air filter installation A 8.3. Filter rail installation (Bottom air intake) (Fig. 8-3) 2 1. Transportation support remove (Throw away). 2. Please move the plate position. (Please use the screws removed.) 3. Please attach filter rail 2 as per the diagram (screw × 6). Please connect rails 2 3 carefully. 4. Please attach filter rail 3 as per the diagram (screw × 6). Please connect rails 2 3 carefully. 5. Clamp 5 (Attach the clamps 5 with screw × 2) Upright position here. 6. Seal 6 Upright position here.
9. Duct work In case of rear-side suction B C A N D O Use the canvas duct for connecting the indoor unit and the duct. (Fig. 9-1) Use fireproof material for the duct parts. Make sure that the duct has sufficient heat insulation. E M K P H I L J F G In case of bottom-side suction E Q Fig.
10.Test run F E C D B TEST RUN COOL, HEAT ˚C ˚C SIMPLE TEMP. ON/OFF MENU BACK ON/OFF PAR-21MAA A FILTER DAY MONITOR/SET CHECK TEST OPERATION CLOCK HG CLEAR A ON/OFF button B Test run display C Indoor temperature liquid line temperature display D ON/OFF lamp E Power display F Error code display Test run remaining time display G Set temperature button H Mode selection button I Fan speed button M TEST button 10.2. Test run The following 3 methods are available. 10.2.1.
This product is designed and intended for use in the residential, commercial and light-industrial environment. The product at hand is based on the following EU regulations: • • Low Voltage Directive 73/23/ EEC Electromagnetic Compatibility Directive 89/ 336/ EEC Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: MITSUBISHI DENKI BLDG.
