MCFZ-A18WV MCFZ-A24WV [FLARE CONNECTION TYPE]

Transcription

1 Floor nd Ceiling Type Air-Conditioner MCFZ-A8WV MCFZ-A24WV [FLARE CONNECTION TYPE] HFC utilized R40A INSTALLATION MANUAL CONTENTS. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY SELECTING THE INSTALLATION LOCATION INSTALLATION DIAGRAM & ACCESSORIES INDOOR UNIT INSTALLATION OUTDOOR UNIT INSTALLATION INDOOR/OUTDOOR UNIT CONNECTION FINISHING AND TEST RUN FOR MOVEMENT AND MAINTENANCE... 3 English FOR INSTALLER

2 . THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY Plese provide n exclusive circuit for the ir conditioner nd mke sure tht no other electricl pplinces re connected to it. Be sure to red THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY efore instlling the ir conditioner. Be sure to oserve the cutions specified here s they include importnt items relted to sfety. The indictions nd menings re s follows. Wrning: Could led to deth, serious injury, etc. Cution: Could led to serious injury in prticulr environments when operted incorrectly. After reding this mnul, e sure to keep it together with the instruction mnul in hndy plce on the customer s site. Wrning Do not instll it y yourself (customer). Incomplete instlltion could cuse injury due to fire, electric shock, the unit flling or lekge of wter. Consult the deler from whom you purchsed the unit or specil instller. Instll the unit securely in plce which cn er the weight of the unit. When instlled in n insufficient strong plce, the unit could fll cusing injury. Use the specified wires to connect the indoor nd outdoor units securely nd ttch the wires firmly to the terminl lock connecting sections so the stress of the wires is not pplied to the sections. Incomplete connecting nd fixing could cuse fire. Do not use intermedite connection of the power cord or the extension cord nd do not connect mny devices to one AC outlet. It could cuse fire or n electric shock due to defective contct, defective insultion, exceeding the permissile current, etc. Check tht the refrigernt gs does not lek fter instlltion hs completed. If refrigernt gs leks indoors, nd comes into contct with the fire of fn heter, spce heter, stove, etc., hrmful sustnces will e generted. Perform the instlltion securely referring to the instlltion mnul. Incomplete instlltion could cuse personl injury due to fire, electric shock, the unit flling or lekge of wter. Erth the unit. Do not connect the erth to gs pipe, wter pipe, lightning rod or telephone erth. Defective erthing could cuse n electric shock. Do not instll the unit in plce where n inflmmle gs leks. If gs lek nd ccumulte in the re surrounding the unit, it could cuse n explosion. Instll n erth lekge reker depending on the instlltion plce (Where it is humid). If n erth lekge reker is not instlled, it could cuse n electric shock. Perform electricl work ccording to the instlltion mnul nd e sure to use n exclusive circuit. If the cpcity of the power circuit is insufficient or there is incomplete electricl work, it could result in fire or n electric shock. Attch the electricl prt cover to the indoor unit nd the service pnel to the outdoor unit securely. If the electricl prt cover in the indoor unit nd/ or the service pnel in the outdoor unit re not ttched securely, it could result in fire or n electric shock due to dust, wter, etc. Be sure to use the prt provided or specified prts for the instlltion work. The use of defective prts could cuse n injury or lekge of wter due to fire, n electric shock, the unit flling, etc. Be sure to cut off the min power in cse of setting up the indoor electronic control P.C. ord or wiring works. It could cuse n electric shock. The pplince shll e instlled in ccordnce with ntionl wiring regultions. When instlling or relocting the unit, mke sure tht no sustnce other thn the specified refrigernt (R40A) enters the refrigernt circuit. Any presence of foreign sustnce such s ir cn cuse norml pressure rise or n explosion. Cution Perform the dringe/piping work securely ccording to the instlltion mnul. If there is defect in the dringe/piping work, wter could drop from the unit nd household goods could e wet nd dmged. Fsten flre nut with torque wrench s specified in this mnul. When fstened too tight, flre nut my roken fter long period nd cuse lekge of refrigernt SELECTING THE INSTALLATION LOCATION 2- INDOOR UNIT Where irflow is not locked. Where cool ir spreds over the entire room. Mximum refrigernt piping length etween indoor unit nd outdoor unit is 30 m nd the difference of height of oth units is 5 m. Rigid wll or ceiling without virtion. Where it is not exposed to direct sunshine. Where esily drined. At distnce m or more wy from your TV nd rdio. Opertion of the ir conditioner interferes with rdio or TV reception in res where reception is wek. An mplifier my e required for the ffected device. In distnce s fr s possile from fluorescent nd incndescent lights (so the infrred remote control cn operte the ir conditioner normlly). Where the ir filter cn e removed nd replced esily. 2-2 WIRELESS REMOTE CONTROLLER MOUNTING Plce of mounting - Where it is esy to operte nd esily visile. - Where children cnnot touch. Mounting Select position out.2 m ove the floor, check tht signls from the controller re surely received y the indoor unit from tht position ( eep or eep-eep receiving tone sounds), ttch remote controller holder 4 to pillr or wll, then set the wireless remote controller 3. In rooms where inverter type fluorescent lmps re used, the signl from the wireless remote controller my not e received. 2-3 OUTDOOR UNIT Where it is not exposed to strong wind. Where irflow is good nd dustless. Where it is not exposed to rin nd direct sunshine. Where neighours re not nnoyed y opertion sound or hot ir. Where rigid wll or support is ville to prevent the increse of opertionl sound or virtion. Where there is no risk of comustile gs lekge. 330 mm 500 mm Air outlet 840 mm When instlling the unit t high level, e sure to fix the unit legs. 4-0 mm 2 mm slot Where it is t lest 3 m wy from the ntenn of TV set or rdio. Opertion of the ir conditioner interferes with rdio or TV reception in res where reception is wek. An mplifier my e required for the ffected device. Instll the unit horizontlly. Plese instll it in n re not ffected y snowfll or lowing snow. In res with hevy snow, plese instll cnopy, pedestl nd/or some ffle ords. Note: It is dvisle to mke piping loop ner outdoor unit so s to reduce virtion trnsmitted from there. Cution: Avoid the following plces for instlltion where ir conditioner troule is lile to occur. Where flmmle gs could lek. Where there is much mchine oil. Slty plces such s the seside. Where sulfide gs is generted such s hot spring. Where there is high-frequency or wireless equipment. 360 mm

3 3. INSTALLATION DIAGRAM & ACCESSORIES Remrk: Accessories of this unit re pcked inside the unit. Plese remove the front grille s shown in the right (See FRONT GRILL RE- MOVAL ), nd check ccessories efore instlltion. Open s rule 500 mm or more if the front nd oth sides re open 00 mm or more 200 mm or more if there re ostcles to oth sides Front grille Accessories 00 mm or more When the piping is to e ttched to wll contining metls (tin plted) or metl netting, use chemiclly treted wooden piece 20 mm or thicker etween the wll nd the piping or wrp 7 to 8 turns of insultion vinyl tpe round the piping. 2 2 Open s rule 500 mm or more if the ck, oth sides nd top re open 350 mm or more Units should e instlled y licensed contrctor ccordingly to locl code requirement. 500 mm or more ACCESSORIES PARTS TO BE PROVIDED AT YOUR SIDE 500 mm or more mm or more mm or more 500 mm or more 4 6 Check the following prts efore instlltion. <Indoor unit> Item Q ty Instlltion plte 2 2 Unit fixing screw 5 2 mm 2 3 Wireless remote controller 4 Remote controller holder 5 Fixing screw for mm (Blck) 2 6 Bttery (AAA) for remote controller 2 7 Drin hose 8 Drin pipe cover 9 Knockout cover 0 Screw for mm 2 <Outdoor unit> A Drin socket B Drin cp 2 Item Q ty A Refrigernt pipe set B Indoor/outdoor connecting wire (2-core.0 mm 2 ) C Piping tpe D Drin pipe (PVC pipe : OD ø26) E Pipe fixing nd for refrigernt pipe 2 to 5 (The quntity depends on the pipe length.) F Fixing screw for E 2 to 5 (The quntity depends on the pipe length.) G Drin-joint pipe (PVC pipe : OD ø26, L=50 mm) H Power supply cord 2 I Piping hole repir prts (Putty nd Wll hole cover) J Instlltion plte fixing olt (M0) 4 K Nut, Spring wsher for J (M0) 4 set I A OPTIONAL PARTS Nme Air clening filter Deodorizing filter Prts No. MAC-200FT MAC-700DF REFRIGERANT AND DRAIN PIPE SIZES Liquid OD ø6.35 Refrigernt pipe A8 OD ø2.7 Gs A24 OD ø5.88 Drin pipe Hrd PVC pipe : OD ø26 G 7 8 C F E 3

4 4. INDOOR UNIT INSTALLATION FLARED CONNECTIONS This unit hs flred connections on oth indoor nd outdoor sides. Refrigernt pipes re used to connect the indoor nd outdoor units s shown in the figure elow. Insulte oth refrigernt nd drin piping completely to prevent condenstion. Pipe length Height difference No. of ends Limits 30 m mx. 5 m mx. 0 mx. Refrigernt djustment If pipe length exceeds 7 m, dditionl refrigernt (R40A) chrge is required. (The outdoor unit is chrged with refrigernt for 7 m pipe length.) Pipe length Up to 7 m No dditionl chrge required Exceeding 7 m Additionl chrge required Refrigernt to e dded 20 g/m PIPING PREPARATION Tle elow shows the specifictions of pipes commercilly ville. Pipe Outside dimeter Insultion thickness Insultion mteril For liquid 6.35 mm 8 mm Het resisting fom plstic A8 2.7 mm 8 mm For gs specific grvity A mm 8 mm Use copper pipe or copper-lloy semless pipe with thickness of 0.8 mm (for ø6.35) or.0 mm (for ø2.7 nd ø5.88). Never use ny pipe with thickness less thn 0.8 mm (for ø6.35) or.0 mm (for ø2.7 nd ø5.88), s the pressure resistnce is insufficient. 4- A CASE OF SUSPENDING INDOOR UNIT FROM THE CEILING 4--() MOUNTING INSTALLATION PLATE FIXING BOLTS. Determine the loctions of instlltion plte fixing olts. Use instlltion pttern to determine the loctions of instlltion plte fixing olts J. Instlltion pttern Detils re printed on pttern. Attention: Surrounding temperture nd humidity conditions my cuse pper pttern to shrink or expnd. (Mesure dimensions efore drilling holes.) 2. Suspension structure (Give site of suspension strong structure). Wood structure Select tie em (one-story houses) or second-floor girder (two story houses) s reinforcement memer. Use sturdy ems of t lest 60 mm squre for em pitch of 900 mm or less or of t lest 90 mm squre for em pitch of mm. Pitch Ceiling c Rfter d Brcket e Roof em *Remove instlltion pttern fter instlltion. c d e 2Ensure tht the 2 refrigernt pipes re well insulted to prevent condenstion. 3Refrigernt pipe ending rdius must e 00 mm or more. Cution: Be sure to use the insultion of specified thickness. Excessive thickness my cuse incorrect instlltion of the indoor unit nd lck of thickness my cuse dew drippge. Ferroconcrete Structures Secure instlltion plte fixing olts J s shown t the right or use ngle-stock rcework to instll instlltion plte fixing olts J. f Use inserts rted t kg ech g Steel reinforcing rod J Instlltion plte fixing olts f J g 3. Instlltion plte fixing olts pitch. Use the instlltion plte fixing olts J M0 ( 4 procure loclly). Indoor unit Air outlet Instlltion plte 065 mm 50 mm 300 mm Projecting dimension of instlltion fixing olts J from horizontl se line ginst which you fix instlltion plte s within t the right. c Horizontl se line Instlltion plte J Instlltion fixing olts c J mx. 40 mm 4

5 4--(2) FIXING OF INSTALLATION PLATES. Set instlltion pltes to instlltion plte fixing olts. Set instlltion pltes to instlltion plte fixing olts J so tht the distnce etween insides of instlltion pltes is djusted to length s shown in the right. Instlltion plte 028 mm 4--(4) FRONT GRILLE REMOVAL Remove front grille nd trnsporttion support. Remove 3 screws Instlltion pltes should e fixed on one wy direction, s shown in Fig.. Don t fix s shown in Fig. 2. Be sure to confirm letters FRONT in instlltion pltes, set FRONT side to ir outlet side of indoor unit. FRONT Instlltion plte (Fig. ) (Fig. 2) Front grille Trnsporttion support * After instlling completely, plese remove this prt ecuse this is used for trnsporttion only. 2. In cse of fixing instlltion pltes ove the ceiling, put instlltion pltes fixing olt through nut, spring wsher, the instlltion plte, spring wsher, nd doule nut. (Fig. 3) In cse of fixing instlltion pltes forwrd the ceiling directly, lso put instlltion plte fixing olt through the instlltion plte, spring wsher, nd doule nuts. (Fig. 4) Ceiling K- Nut (M0) Instlltion plte K-2 Spring wsher J Instlltion plte fixing olt K-3 Doule nut (M0) J K- K-2 K-2 K-3 (Fig. 3) (Fig. 4) K-2 K-3 J 4--(5) OPENING KNOCKOUT HOLE Remove knockout holes with hmmering it. Knockout hole 3. Check tht the four corners re horizontl with level guge. (Fig. 5) Knockout hole for drin pipe Level guge 4--(6) FIXING UNIT TO INSTALLATION PLATES 4--(3) DRILLING HOLE Determine the loctions of holes for refrigernt pipe A nd drin pipe D. Use the instlltion pttern s mentioned in 4--(). Be sure to confirm the dimensions s shown in the right. Horizontl se line Hole for refrigernt pipe c Hole for drin pipe Instlltion plte (Fig. 5) c Ø75 Ø Suspending unit from instlltion pltes. Hoist unit so tht hnging olt (4) on the sides of unit fit into holes in instlltion pltes. Unit fixing screw 2 Unit fixing screw 2 Specilly, drill the hole for drin pipe with designte dimension to keep n inclintion. d Horizontl se line e Hnging olt f Wll d (unit : mm) Hnging olt FRONT Be sure to set hnging olt in this position to keep unit s inclintion. FRONT e f (unit : mm) 2. Securing unit to instlltion pltes. Be sure to tighten unit fixing screw 2 to unit securely. 5

6 4-2 A CASE OF INSTALLATING INDOOR UNIT ON THE WALL 4-2-() MOUNTING INSTALLATION PLATE FIXING BOLTS. Determine the loctions of instlltion plte fixing olts. Use instlltion pttern to determine the loctions of instlltion plte fixing olts J. 4-2-(6) FIXING UNIT TO INSTALLATION PLATES. Suspending unit from instlltion plte. Hoist unit so tht hnging olt (4) on the sides of unit fit into holes in instlltion plte. Instlltion plte FRONT Instlltion pttern Unit fixing screw 2 * Remove instlltion pttern fter instlling. Unit fixing screw 2 2. Sturdy wll Find structurl mteril (such s stud) in the wll. 3. Instlltion plte fixing olt pitch. See to 4--() 3. (Pge 5) Hnging olt Hnging olt Be sure to set hnging olt in this position. 4-2-(2) FIXING OF INSTALLATION PLATES. Set instlltion pltes to instlltion plte fixing olts J. See to 4--(2). (Pge 5) 2. Put instlltion plte fixing olt through spring wsher (2), nd doule nuts. See to 4--(2) 2 Fig. 4. (Pge 5) 2. Securing unit to instlltion pltes. Be sure to tighten unit fixing screw 2 to unit securely. 4-3 KNOCKOUT COVER After removing the knockout holes, ttch knockout cover 9 on the knockout hold edge (shown s elow). 4-2-(3) DRILLING HOLE Determine the loction of hole for refrigernt pipes nd drin pipe. Use the instlltion pttern s mentioned in 4-2-(). Be sure to confirm the dimensions s elow. 300 mm 065 mm 028 mm Knockout cover 9 Instlltion plte A B C 4-2-(4) FRONT GRILLE REMOVAL See to 4--(4). (Pge 5) Horizontl se line 80 mm 95 mm Ø75 32 mm Ø75 Hole for refrigernt nd drin pipe (in the cse of downwrd piping) 300 mm 55 mm Hole for refrigernt nd drin pipe (in the cse of rer piping) Drin pipe Refrigernt pipe Refrigernt pipe Drin pipe Knockout Knockout Refrigernt pipe Drin pipe 4-2-(5) OPENING KNOCKOUT HOLE See to 4--(5). (Pge 5) Knockout 6

7 POWER SUPPLY AND CONNECTING WIRE SPECIFICATIONS Terminl cover 3 N Indoor terminl lock L~ N~ Use specil room ir conditioning circuit. Rted voltge Breker cpcity Power supply cord 230 V 20 A 3-core.0 mm 2 or more, in conformity with Design 245 IEC 57 Indoor nd Outdoor connecting Cle 2-core.0 mm 2, in conformity with wire Specifiction Design 245 IEC 57. Screw 3 N Indoor/outdoor unit connecting wire B 2-core.0 mm 2 Outdoor terminl lock Power supply cord H Three core with ground IEC cord Peel off oth ends of connecting wire nd power supply cord s shown in the right. Be creful not to contct connecting wire with piping. Mke erth wire little longer thn the others. (more thn 65 mm) Connect to the plug, or to power switch which hs gp of 3 mm or more when open to interrupt the source power phse. Wrning: A mens for disconnection of the supply with n isoltion switch, or similr device, in ll ctive conductors shll e incorported in the fixed wiring. Never cut the power cord nd connect it to other wires. It my cuse fire. 4-5 INDOOR AND OUTDOOR CONNECTING WIRE CONNECTION Wiring connections should e mde following the digrm.. Remove two screws nd pull the terminl cover forwrd. 2. Be sure to fix the cle y cle clmp. 3. Replce the terminl cover securely. 5 mm 65 mm Loosen terminl screw Cle clmp Wrning: Attch the electricl prt cover securely. If it is ttched incorrectly, it could result in fire, n electric shock due to dust, wter, etc. Use the specified indoor/outdoor unit connecting wire to connect the indoor nd outdoor units nd fix the wire to the terminl lock securely so tht no stress is pplied to the connecting section of the terminl lock. Incomplete connection or fixing of the wire could result in fire. When connecting the power supply cord to the power supply source, e sure to connect ech wire to the correct pole. Be sure to connect the Live wire side to the L terminl nd connect the Neutrl conductor side to the N terminl. 4-6 REFRIGERANT PIPE WORK Refrigernt pipes which re connected t side of indoor unit must e processed s elow, nd processed figure will e differently mde mens of which the indoor unit is instlled or which direction refrigernt pipes re connected in.. In cse tht pipes re cut out from ck surfce of the indoor unit. (Fig. ) Process figure Flre nut Terminl lock Connection detils Refrigernt pipe 90 R25 (R") R75 (R3") 0 Refrigernt pipe (gs) OD ø2.7 (A8) OD ø5.88 (A24) Use cre not to mke mis-wiring. 2Firmly tighten the terminl screws to prevent them from loosening. 3After tightening, pull the wires lightly to confirm tht they do not move. Refrigernt pipe R5 R50 (R2") Flre nut 70 Refrigernt pipe (liquid) OD ø6.35 (Fig. ) 7

8 80 2. In cse tht pipes jut out from ottom surfce of the indoor unit. (Fig. 2) Process figure Refrigernt pipe R50 (R2") - R60 Flre nut Refrigernt pipe (gs) OD ø2.7 (A8) OD ø5.88 (A24) 2. In cse of connecting drin pipe D to drin-joint ush through drin hose. Drin hose 7 which is contined in ccessories is flexile, so use it when drin pipe D should e lternted direction. Be sure to wind pipe cover which is provided in ccessories round drin hose with vinyl tpe. Cut VP-20 in dimension s shown t the right, nd connect drin-joint ush with drin hose with dhesive. Drin-joint ush Tpe c Adhesive G c 7 Drin hose G 8 Drin pipe cover 7 D Drin pipe (VP-20) 8 G Drin-joint pipe (VP-20) 50 mm Refrigernt pipe Flre nut 7 c D 38 8 (Fig. 2) Wll hole seling nd fixing pipe to wll Indoor unit 4-7 DRAIN PIPE CONNECTION Wll hole cover I R30 - R40 (R.5") Sel the wll hole gp with putty I. Fix the pipe to wll with pipe fixing nd E. Refrigernt pipe (liquid) OD ø6.35 Cut off the extr length. Fixing screw F Pipe fixing nd E Use hrd PVC (ø26 mm O.D.) for drin pipe D. Use drin pipe cover 8 which is provided in ccessories, wind it round drin pipe D in the indoor unit side. Use vinyl chloride dhesive for joints prevent lekge. When the drin pipe D hs to go through n indoor spce, e sure to cover the drin pipe D with insultion redily ville in the mrket. For drin pipe connection, use cre so s no extr force pplies to unit side piping. 3. Be sure tht drin pipe D tilts downwrd (/00 or more) on outdoor side (drin side), nd no trps or heving exist. When the drin pipe D is reltively long, provide support metl fixtures midwy to eliminte wving. Odor trp t the end of drin pipe D is not required. Insultion Supporting metl fixture c Downwrd inclintion of /00 or more d Air leeder e Do not rise f Odor trp g The end of drin hose is immersed in wter h Gp from the ground level is 50 mm or less i Sewge ditch d 0.75 m -.5 m e f c g i h. In cse of connecting drin pipe D to drin-joint ush directly. Be sure to connect drin pipe D to drin-joint ush securely s shown in the right. Be sure to pss drin pipe D with drin pipe cover through knockout hole on ottom surfce so s to keep n inclintion. Drin-joint ush Knockout c 8 c PVC dhesive tpe d Adhesive 8 Drin pipe cover D Drin pipe (VP-20) d D 30 8

9 5. OUTDOOR UNIT INSTALLATION INDOOR/OUTDOOR UNIT CONNECTING WIRE CONNECTION AND OUTDOOR POWER SUPPLY CORD CONNECTION Connect the indoor/outdoor unit connecting wire B from the indoor unit correctly on the terminl lock. For future servicing, give extr length to connecting wire. Rted Voltge Breker cpcity 230 V 20 A Peel off oth ends of connecting wire (extension wire). When too long, or connected y cutting off the middle, peel off power supply wire to the size s shown in the right. Be creful not to contct connecting wire with piping. Mke erth wire little longer thn the others. (more thn 35 mm) Connect to the supply terminls nd leve contct seprtion of t lest 3 mm t ech pole to disconnect the source power pole. (When the power switch is shut off, it must disconnect ll poles.) For the power supply cord nd the indoor/outdoor unit connecting wires, e sure to use the ones in complince with the stndrds. Be sure to push the core until it is hidden nd pull ech cle to mke sure tht it is not pulled up incomplete Power supply cord Specifiction Indoor nd Outdoor connecting wire Specifiction Loosen terminl screw. 3-core 2.5 mm 2 or more, in conformity with Design 245 IEC core 4.0 mm 2 or more, in conformity with Design 245 IEC core 6.0 mm 2 or more, in conformity with Design 245 IEC 57. Cle 2-core.0 mm 2, in conformity with Design 245 IEC N Indoor terminl lock L~ N~ 35 mm 5 mm 0 m or less 5 m or less 25 m or less Be sure to fix the indoor/outdoor unit connecting wire B nd power supply cord H using this cord clmp. Vlve cover Service pnel Fixing screws After tightening, pull the wires lightly to confirm tht they do not move. Be sure to put the left portion into the squre hole of the service pnel. Remove two fixing screws to open the service pnel. Wrning: Be sure to ttch the service pnel of the outdoor unit securely. If it is not ttched correctly, it could result in fire or n electric shock due to dust, wter, etc. Indoor/outdoor unit connecting wire B 2-core.0 mm 2 Power supply cord H Terminl lock Led wire <Connection detils> 3 N Outdoor terminl lock Three core with ground IEC cord insertion my cuse risk of urning the terminl locks. Cution: Use cre not to mke mis-wiring. Firmly tighten the terminl screws to prevent them from loosening. 9

10 6. INDOOR/OUTDOOR UNIT CONNECTION FINISHING AND TEST RUN 6- Tools dedicted for the ir conditioner with R40A refrigernt The following tools re required for R40A refrigernt. Some R22 tools cn e sustituted for R40A tools. The dimeter of the service port on the stop vlve in outdoor unit hs een chnged to prevent ny other refrigernt eing chrged into the unit. (Cp size hs een chnged from 7/6 UNF with 20 threds to /2 UNF with 20 threds.) R40A tools Guge mnifold Cn R22 tools e used? No Description R40A hs high pressures eyond the mesurement rnge of existing guges. Port dimeters hve een chnged to prevent ny other refrigernt from eing chrged into the unit. Chrge hose No Hose mteril nd cp size hve een chnged to improve the pressure resistnce. Gs lek detector No Dedicted for HFC refrigernt. Torque wrench Yes /4 No /2, 5/8 Flre tool Yes Clmp r hole hs een enlrged to reinforce the spring strength in the tool. Flre guge New Provided for flring work (to e used with R22 flre tool). Vcuum pump dptor New Provided to prevent the ck flow of oil. This dpter enles you to use existing vcuum pumps. Electronic scle for refrigernt chrging It is difficult to mesure R40A with chrging cylinder ecuse the refrigernt ules due to high pressure nd high-speed vporiztion. New No: Not sustitutle for R40A Yes: Sustitutle for R40A 2. Burrs removl Completely remove ll urrs from the cut cross section of pipe. Put the end of the copper pipe to downwrd direction s you remove urrs in order to void to let urrs drop in the piping. 3. Putting nut on Remove flre nuts ttched to indoor nd outdoor units, then put them on pipe hving completed urr removl. (not possile to put them on fter flring work) Flre nut for R40A pipe differs from R22 pipe. Refer to the following tle for detil. mm inch R40A R22 ø6.35 /4 7 7 ø2.7 / ø5.88 5/ Burr Copper pipe Flre nut Spre remer Pipe cutter Copper pipe 6-2 FLARING WORK Min cuse of gs lekge is defect in flring work. Crry out correct flring work in the following procedure. 4. Flring work Crry out flring work using flring tool s shown elow. Flring tool A. Pipe cutting Cut the copper pipe correctly with pipe cutter. Die York Die Copper pipe Good 90 No good Tilted Uneven Burred Clutch type Wing nut type A (mm) Outside Flre tool for Conventionl flre tool dimeter R40A clutch type Clutch type Wing nut type ø6.35 mm 0 to to.5.5 to 2.0 ø2.7 mm 0 to to to 2.5 ø5.88 mm 0 to to to 2.5 Copper pipe Flre nut Copper pipe Firmly hold copper pipe in die in the dimension shown in the tle ove. 5. Check Compre the flred work with figure elow. If flre is noted to e defective, cut off the flred section nd do flring work gin. Smooth ll round Inside is shining without ny scrtches. Even length ll round 0

11 6-3 PIPE CONNECTION 6-4 PURGING PROCEDURES LEAK TEST. Indoor unit connection Connect oth liquid nd gs piping to the indoor unit. - Apply thin cot of refrigernt oil on the set surfce of pipe. - For connection first lign the center, then hnd tighten the first 3 to 4 turns of flre nut. - Use tightening torque tle elow s guideline for the indoor unit side union joint section, nd tighten using two wrenches. Excess tightening dmges the flred section. Pipe dimeter Tightening torque mm N m kgf cm to to to to to to 800 Use the vcuum pump for ir purging for the purpose of environmentl protection. PURGING PROCEDURES Connect the refrigernt pipes (oth liquid pipe nd the gs pipe) etween the indoor nd the outdoor unit. Remove the service port cp of the stop vlve on the side of the outdoor unit gs pipe. (The stop vlve will not work in it initil stte fresh out of the fctory (totlly closed with cp on).) Connect the guge mnifold vlve nd the vcuum pump to the service port of the stop vlve on the gs pipe side of the outdoor unit. Run the vcuum pump. (Vcuumize for more thn 5 minutes.) Check the vcuum with the guge mnifold vlve, then close the guge mnifold vlve, nd stop the vcuum pump. 2. Outdoor unit connection Connect pipes to stop vlve pipe joint of the outdoor unit in the sme mnner pplied for the indoor unit. - For tightening, use torque wrench or spnner, nd use the sme tightening torque pplied for the indoor unit. 3. Refrigernt pipe insultion Use pipe cover (fom polyethylene 8 mm thickness) which is contined in ccessories, insulte oth liquid nd gs pipes together. Put the refrigernt piping nd pply piping tpe C. Indoor unit refrigernt pipe Flre joint d Pipe cover A Refrigernt pipe C Piping tpe A c Leve s it is for one or two minutes. Mke sure the pointer guge mnifold vlve remins in the sme position. Confirm tht the pressure guge shows 0.0 Mp [Guge] ( 760 mmhg). *Close *Open Hexgonl wrench *4 to 5 turns Stop vlve Stop vlve Service port Chrge hose (for R40A) -0.0MP (-760 mmhg) Hndle Low Stop vlve Window Compound pressure guge (for R40A) Vcuum pump Pressure guge (for R40A) Guge mnifold vlve (for R40A) Hndle High Chrge hose (for R40A) Adpter for preventing the ck flow Remove the guge mnifold vlve quickly from the service port of the stop vlve. (or the vcuum pump with the function to prevent the ck flow) c After refrigernt pipes re connected nd evcuted, fully open ll stop vlves on oth sides of gs pipe nd liquid pipe. Operting without fully opening lowers the performnce nd this cuses troule. Connecting wire nd refrigernt pipes must e seprted. d Pipe length up to 7 m No gs chrge is needed. Pipe length exceeding 7 m Chrge the prescried mount of gs. (refer to 4) Tighten the cp to the service port to otin the initil sttus. 4. Knockout cover Attch knockout cover 9 to close knockout hole to prevent rt or something strnge from getting into the indoor unit. 9 Knockout cover 0 Screw for mm 9 0 Tightening torque N m kgf cm Cp for service port 3.7 to to 80 Cp for stop vlve 9.6 to to 300 Retighten the cp. Lek test

12 6-5 TEST RUN Before performing the test run, recheck for ny wrong wiring. Wrong wiring prevents norml opertion or results in lown fuse disling opertion. The test run cn e initited y using EMERGENCY OPERATION switch (press utton switch). The EMER- GENCY OPERATION switch is pressed, the unit will strt the test run (continuous opertion) for 30 minutes in COOL MODE or HEAT MODE, depending on which mode is selected. During this 30 minutes thermostt does not work. After 30 minutes the unit will strt the EMERGENCY OPERATION t fixed temperture setting of 24 C in COOL MODE or HEAT MODE. Perform test run in the following procedure. PROCEDURE Press the EMERGENCY OPERATION switch. Press it once, nd the EMERGENCY COOL MODE strts. If the left side lmp of the opertion indictor links every 0.5 seconds, inspect the in/out connecting wire B for mis-wiring. 2Press it once more, nd the EMERGENCY HEAT MODE strts. 3Press it once more, nd the opertion stops. (The opertion mode chnges in order of - 3 every press of the EMERGENCY OPERATION switch.) Mode COOL 2 HEAT EMERGENCY OPERATION switch Opertion indictor lmp (Light) (Off) (Off) (Light) POWER 6-6 AUTO RESTART FUNCTION When the indoor unit is controlled with the remote controller, the opertion mode, set temperture, nd the fn speed re memorized y the indoor electronic control P.C. ord. The uto restrt function sets to work the moment the power hs restored fter power filure, then, the unit will restrt utomticlly. If the unit is operted in I FEEL CONTROL mode efore power filure, the opertion is not memorized. In I FEEL CONTROL mode, the opertion is decided y the initil room temperture t (re)strt. Notes: The opertion settings re memorized when 0 seconds hve pssed fter the remote controller ws operted. If the min power is turned off or power filure occurs while AUTO START/STOP timer is ctive, the timer setting is cncelled. As this model is equipped with the uto restrt function, the ir conditioner should strt operting t the sme time tht power hs restored. If the unit hs een off with the remote controller efore power filure, the uto restrt function does not work s the power utton of the remote controller is off. To prevent reker off due to the rush of strting current, systemtize other home pplince not to turn on t the sme time. 6-7 EXPLANATION TO THE CUSTOMER Using the instruction mnul, explin the following to the customer how to control temperture, how to remove the ir filters, how to remove or put the remote controller in the remote controller holder, how to clen, precutions, etc. Recommend the customer to crefully red the Operting Instruction Book. 3 STOP (Lights not turn on) Checking the remote (infrred) signl reception Press the ON/OFF utton on the remote control nd check tht n electronic sound is herd from the indoor unit. Press the ON/OFF utton gin to turn the ir conditioner off. If the indoor unit is operted with the remote control, oth the tril nd emergency opertions re relesed y commnds from the remote control. Once the compressor stops, the restrt preventive device opertes so the compressor will not operte for 3 minutes to protect the ir conditioner. 2

13 7. FOR MOVEMENT AND MAINTENANCE 7- FRONT PANEL REMOVAL. Remove front grill. Remove 3 screws. (See to 4--(4)) (Pge 5). Lock 2. Remove front pnel. Remove 0 screws s shown in the right. Unlock front pnel y pulling it towrd yourself () nd then pull it down s the rrow (2). After removing the front pnel, it is possile to service mny prts GAS CHARGE Front pnel. Connect gs cylinder to the service port of stop vlve (3-wy). 2. Execute ir purge of the pipe (or hose) coming from refrigernt gs cylinder. 3. Replenish specified mount of the refrigernt, while operting the ir conditioner for cooling. Note: In cse of dding refrigernt, comply with the quntity specified for the refrigerting cycle. Cution: Do not dischrge the refrigernt into the tmosphere. Tke cre not to dischrge refrigernt into the tmosphere during instlltion, reinstlltion, or repirs to the refrigernt circuit. For dditionl chrging, chrge the refrigernt from liquid phse of the gs cylinder. If the refrigernt is chrged from the gs phse, composition chnge my occur in the refrigernt inside the cylinder nd the outdoor unit. In this cse, ility of the refrigerting cycle decreses or norml opertion cn e impossile. However, chrging the liquid refrigernt ll t once my cuse the compressor to e locked. Thus, chrge the refrigernt slowly. To mintin the high pressure of the gs cylinder, wrm the gs cylinder with wrm wter (under 40 C) during cold seson. But never use nked fire or stem. Indoor unit Refrigernt gs cylinder operting vlve Union Stop vlve Liquid pipe Gs pipe Outdoor unit Service port Guge mnifold vlve (for R40A) Chrge hose (for R40A) Refrigernt gs cylinder for R40A with siphon Refrigernt (liquid) Electronic scle for refrigernt chrging 3

14 This product is designed nd intended for use in the residentil, commercil nd light-industril environment. The product t hnd is sed on the following EU regultions: Low Voltge Directive 73/23/ EEC Electromgnetic Comptiility Directive 89/ 336/ EEC HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO , JAPAN VN79C528H0