INSTALLATION MANUAL
Contents
1. Only use insulation resistant to at least 120 C Furthermore if the temperature humidity in the refrigerant piping are expected to exceed 30 C or 80 RH the thermal insulation of the refrigerant pipes should be strengthened to be a thickness of 20 mm or more There may be some condensation on the surface of the insulation material Before rigging tubes check which type of refrigerant is used Proper operation is not possible if the types of refrigerant are not the same 6 1 CAUTION Use a pipe cutter and flare suitable for the type of refrigerant e Apply ester oil or ether oil around the flare portions before connecting English 6 To prevent dust moisture or other foreign matter from infiltrating the tube either pinch the end or cover it with tape e Do not allow air etc to become mixed with the specified refrigerant inside the refrigeration cycle e The outdoor unit is charged with refrigerant e To prevent flare nut cracking and gas leaks be sure to use both a spanner and torque wrench together as shown in the drawing when connecting or disconnecting pipes to from the unit e Refer to the table below for flare measurements e When connecting the flare nut coat the flare both inside and outside with ester oil or ether oil and initially tighten by hand 3 or 4 turns before tightening firmly e Refer to the table for tightening torque Overtightening may damage the flare e Use the attached pipe with the2. ates greatly such as that in factories Also in vehicles or vessels hot object may result in production of toxic gases Ventilate the room if refrigerant gas leakage occurs during the installation work Exposure gas to flame or When the installation work is finished check to make certain that refrigerant gas is not leaking Refrigerant gas leakage and its exposure to flame or hot object in fan heater stove cooking appliance etc may result in production of toxic gases ment If installed as a household appliance it could cause electromagnetic interference 2 2 ACCESSORIES Check the following accessories are included with your unit This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environ Insulation for Level adjustment Oo o w lt 4 For liquid pipe lt Name Drain hose fitting Sealing pad Clamp brew Quantity 1 set 1 set 1 set 8 4 Hose x 1 3 For gas pipe Clamp metal x 1 5 6 7 j ee Shape Other e Operation manual e Installation manual 2 3 OPTIONAL ACCESSORIES e These are two types of remote controllers wired and wireless Select a remote controller according to customer request and install in an appropriate place Remote controller Model No Wired type CZ 01RT11P Heat pump type CZ 02RWF12P Wireless type Separate type Cooling only type NOTE
3. CS PM1HPk e Wrap only the gas line side with the sealing pad 5 Bend the pad over the insulation for fitting union from above e After inspecting pipe joints for gas leakage be sure to insulate with the accessory joint insulation for fitting 3 4 while referring to the figure on the next page Fasten both ends with clamps 6 Torque wrench Insulation for fitting accessory 4 For liquid pipes Coated with ester oil or ether oil A Spanner e2 S Piping union Insulation for fitting accessory 3 For gas pipes Clamp 6 4 accessory DA Gas pipe j Sealing pad accessory 5 Wrapped over union Fig 1 Flare nut Liquid pipe CAUTION Overtightening may damage the flare and cause leaks Use Tabel 2 as a reference if a torque wrench is not available Once work is complete make sure there is no gas leaking As the flare nut is tightened with the wrench the torque will suddenly increase From that posi tion tighten the nut to the angle shown on Tabel 2 e Make absolutely sure to execute heat insulation works on the pipe connecting section after checking gas leakage by thoroughly studying the following figure and using the attached heat insulating materials for fitting 3 and 4 Fasten both ends with the clamps 6 attached Refer to Fig 1 e Wrap the sealing pad 5 attached only around the insulation for the joints on
4. Doing so could aa damage the entire system e Remote controller cord crossover wiring Do not confuse the two when connecting to the terminal block Pass through hole of for remote controller and crossover wiring aS e Fasten the wiring with accessory clamp 6 e f mounting a remote controller on the unit wire as shown in the figure on the right e If wiring from the piping side wire as shown in the figure on the right Electric parts box Remote controller wire Pass through hole of opposite frame panel in same manner Fasten with accessory clamp 6 Connecting wiring Crossover wiring Electric wiring Remote controller wiring CAUTION e When cramping wiring use the included cramping material to do an appropriate cramp to prevent undue pressure on the wiring connections When carrying out the wiring bundle the wires to prevent the switch box lid from lifting and attach the lid firmly When attaching the switch box avoid getting wires caught always use a wiring through lid to prevent damage to the wires e Make sure to avoid external force to the field wiring such as by laying them in protection pipes or in the wall English 10 PRECAUTIONS 1 Use ring type crimp style terminals for connecting Ring type crimp style wires to the power supply terminal board If T rminall unavailable o
5. smell of ammonia The ammonia in the sew age might enter the indoor unit through the drain pipes and corrode the heat exchanger English 8 ELECTRIC WIRING WORK 8 1 GENERAL INSTRUCTIONS e All field supplied parts and materials electric works conform to local codes e Use copper wire only e Follow the WIRING DIAGRAM attached to the unitbody to wire the outdoor unit indoor units and the remote controller For details on hooking up the remote controller refer to the INSTALLATION MANUAL OF REMOTE CONTROLLER e All wiring must be performed by an authorized electrician e This system consists of multiple indoor units Mark each indoor unit as unit A unit B and be sure the terminal board wiring to the outdoor unit and HR box are properly matched If wiring and piping between the outdoor unit and an indoor unit are mismatched the system may cause a malfunction e A circuit breaker capable of shutting down the power supply to the entire system must be installed 8 2 ELECTRICAL CHARACTERISTICS Units Power supply Fan motor Model Hz Volts Voltage range MCA MFA kW FLA CS 20 25PM1HPK CS 20 25RM1HPK 9 i 0 929 us CS 32 40PM1HPK Max 264 CS 32 40RM1HPK Bae seo Min 198 ad 3 Pee 04 CS 50 63PM1HPK CS 50 68RM1HPK 2 i 9 97 se MCA Min Circuit Amps A MFA Max Fuse Amps A kW Fan Motor Rated Output kW FLA Full Load Amps A 8 3 SPECIFICATIO
6. sure to instruct the customer how to operate the system showing him her the enclosed operation manual e Explain to the customer what system is installed on the site and be sure to fill in what is required in the col umn shown on WHAT TO DO BEFORE OPERATION of the operation manual 3 SELECTING INSTALLATION SITE 1 Select an installation site where the following conditions are satisfied and that meets with your customer s approval e Where the floor is strong enough to dear the indoor unit weight e Where the floor is not significantly inclined e Where nothing blocks the air passage e Where condensate can be properly drained e Where sufficient clearance for installation and maintenance can be ensured e Where there is no possibility of flammable gas leakage e Where optimum air distribution can be ensured e Where piping between indoor and outdoor units is possible within the allowable limit Refer to the instal lation manual of the outdoor unit e Keep the indoor and outdoor units power cable and transmission wiring at least 1 m from TVs and radios to prevent distorted pictures and static Depending on the type and source of the electrical waves static may be heard even when more than 1 m away English CS PM1HPK Window more Front side 100 or PM1HPK a an 1000 or Model A mm B mm morg 150 or Air inlet imm mm hore direction CS 20 25PM1HPK CS 2
7. the gas piping side CAUTION Be sure to insulate any field piping all the way to the piping connection inside the unit Any exposed piping may cause condensation or burns if touched e When brazing the refrigerant piping only begin brazing after having carried out nitrogen substitution NOTE 1 or while inserting nitrogen into the refrigerant piping NOTE 2 Once this is done connect the indoor unit with a flared or a flanged connection NOTES 1 Refer to the Manual for Multi Installation for Buildings for directions on how to carry out nitrogen substi tution Inquire with your dealer 2 Nitrogen should be set to 0 02 Mpa 0 2 kg cm with a pressure reducing valve if brazing while inserting nitrogen into the piping as piping 7 English Pressure reducing valve hands valve A to be brazed P O Na lt Nitrogen TTT TT EEB Nitrogen The flare nuts used must be those included with the main body e Refer to Table 1 for tightening torque Table 1 Pipe gauge Tightening torque Fare dimension Flare shape A mm 06 4 14 2 17 2N m 144 176 kgf cm 8 3 8 7 09 5 32 7 39 9N m 333 407 kgf cm 12 0 12 4 0 12 7 49 5 60 3N m 504 616 kgf cm 15 4 15 8 p 15 9 61 8 75 4N m 630 770 kgf cm 18 6 19 0 0 19 1 97 2 118 6N m 990 1210 kgf cm 22 9 23 3 Notrecomme
8. 0 25RM1HPK 570 1030 RM1HPK gt CS 32 40PM1HPK CS 32 4ORM1HPK 710 1170 BASS CS 50 63PM1HPK CS 50 63RM1HPK 990 1450 4 PREPARATIONS BEFORE INSTALLATION 1 Positioning of holes for fastening to the wall D een S al a I atl P tI R u s Model A mm T masa CS 20 25PM1HPK CS 20 25RM1HPK 590 it They CS 32 40PM1HPK CS 32 40RM1HPK 730 CS 50 63PM1HPK CS 50 63RMIHPK 1010 S Air flow direction 1750 or more CS RM1HPK IMPORTANT Leave sufficient clearance for air inlet and maintenance 2 How to open close the front panel Open the lid of controll panel both left and right 1 2 3 4 5 e To cl Remove screws both left and right that lock the knobs in position Push the knobs both left and right to the rear Lift the front of the top plate Lower the front panel towards the front of the unit ose perform the procedure in opposite order Pull towards the front unit the knob snaps in place English 5 INDOOR UNIT INSTALLATION Be sure to use only accessory or specified parts when installing 1 Level the indoor unit with the leveling screws 7 If the floor is too uneven to level the unit place the unit on a flat base and level Leveling screws 7 Accessory 2 If the unit is in danger of falling over eith
9. D tates Meet ea haqa aun sealed tae ata eee 1 2 BEFORE INSTALLA TION yisiccticesetscishatia eoar nace an e a Ea E 2 3 SELECTING INSTALLATION SITE uuu u R u un maban aan aaina apana aq 4 4 PREPARATIONS BEFORE INSTALLATION u 5 5 INDOOR UNIT INSTALLATION u 6 6 REFRIGERANT PIPING WORK uu Lu aun saa kausaypaq assay sss 6 T DRAIN PIPINGWORBK Dal Q oh ae SSS hie cada tenet ater 8 8 ELECTRIC WIRING WORK L 9 9 WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 10 10 TEST OPERATION m S u A y Dun S Q uum ua wama Sum sea eae iis 14 1 SAFETY CONSIDERATIONS Please read these SAFETY CONSIDERATIONS carefully before installing air conditioning equipment and be sure to install it correctly After completing the installation make sure that the unit operates properly during the start up operation Please instruct the customer on how to operate the unit and keep it maintained Also inform customers that they should store this installation manual along with the operation manual for future reference This air conditioner comes under the term appliances not accessible to the general public Meaning of warning and caution symbols A warning naelad Failure to observe a warning may result in death Axcaution ane Failure to observe a caution may result in injury or damage to the equipment WARNING e Ask your dealer or qualified personnel to carry out installation wo
10. For group control or use with 2 remote controllers Power supply 220 240V 50Hz or L 220V 60Hz Indoor unit A Outdoor unit Control box IN D_ OUT D System fh P4 P2 F1 F2 T1 T2 Most downstream Indoor unit Note It is not necessary to designate indoor unit address when using group control The address is automatically set when power is activated J 3 When including HR box Power supply 220 240V Outdoor unit Control box IND _ OUT D HR box Control box DUT D IND F1 F2 F1 F2 Indoor unit A Indoor unit B Indoor unit C Most Ti T2 LIN P1 P2 F1 Fe T1 T2 downstream indoor unit y s J j For use with 2 remote controllers English 12 PRECAUTIONS 1 A single switch can be used to supply power to units on the same system However branch switches and branch circuit breakers must be selected carefully 2 Do not ground the equipment on gas pipes water pipes or lightning rods or crossground with telephones Improper grounding could result
11. INSTALLATION MANUAL PACKAGED AIR CONDITIONER Model No Floor standing type CS 20PM1HPK CS 25PM1HPK CS 32PM1HPK CS 40PM1HPK CS 50PM1HPK CS 63PM1HPK Urban Multi Series CS 20RM1HPK CS 25RM1HPK CS 32RM1HPK CS 40RM1HPK CS 50RM1HPK CS 63RM1HPK English Deutsch Frangais Espanol Italiano EAAnvika READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE LESEN SIE DIESE ANWEISUNGEN VOR DER INSTALLATION SORGFALTIG DURCH BEWAHREN SIE DIESE ANLEITUNG FUR SPATERE BEZUGNAHME GRIFFBEREIT AUF LIRE SOIGNEUSEMENT CES INSTRUCTIONS AVANT LINSTALLATION Portugues CONSERVER CE MANUEL A PORTEE DE MAIN POUR REFERENCE ULTERIEURE LEA CUIDADOSAMENTE ESTAS INSTRUCCIONES ANTES DE INSTALAR GUARDE ESTE MANUAL EN UN LUGAR A MANO PARA LEER EN CASO DE TENER ALGUNA DUDA PRIMA DELLINSTALLAZIONE LEGGERE ATTENTAMENTE QUESTE ISTRUZIONI TENERE QUESTO MANUALE A PORTATA DI MANO PER RIFERIMENTI FUTURI AIABAZTE MPOZEKTIKA AYTE TI OAHME2 IPIN ANO THN ET KATA gt TA gt H EXETE AYTO TO EFXEIPIAIO EYKAIPO TIA NA TO Z2YMBOYAEYEZ2TE gt TO MEMON LEES DEZE INSTRUCTIES ZORGVULDIG DOOR VOOR INSTALLATIE BEWAAR DEZE HAN DLEINDING WAAR U HEM KUNT TERUGVINDEN VOOR LATERE NASLAG LEIA COM ATEN O ESTAS INSTRU ES ANTES DE REALIZAR A INSTALA O MANTENHA ESTE MANUAL AO SEU ALCANCE PARA FUTURAS CONSULTAS Nederlands CONTENTS di SAFETY CONSIDERATIONS t lu n
12. NS FOR FIELD SUPPLIED FUSES AND WIRE Power supply wiring Transmission wiring Model i Field fuses Wire Size Wire Size P ia CS 20 25 32 40 50 683PM1HPK F Vinyl cord with sheath 15A HO5VV U3G a Hee BG or cable 0 75 1 25 mm CS 20 25 32 40 50 2 wire NOTE 2 68RM1HPK NOTES 1 Allowable length of transmission wiring between indoor outdoor units and between the indoor unit and the remote controller is as follows 1 Outdoor unit Indoor unit Max 1000 m Total wiring length 2000 m 2 Indoor unit Remote controller Max 500 m 2 Insulated thickness 1 mm or more English 9 WIRING EXAMPLE AND HOW TO SET THE REMOTE CONTROLLER 9 1 HOW TO CONNECT WIRINGS e Remove the electric parts box cover and connect the wiring NOTES e Remote controller wiring and crossover wiring should be run Wiring between at least 50 mm from the power cable if too close malfunction Ul s could result from electronic noise noise from outside Electric parts box e For remote control wiring see Remote Controller Installation oo Instructions ee x ae ii ya i x o e For electric wiring also see Electric Wiring Schematic Dia 5 8 gram label s O e Be sure not to connect the power cable to the terminal block 26 ee Cut off excess after for remote controller and crossover wiring
13. at the switch box cover can be securely fastened Improper positioning of the switch box cover may result in electric shocks fire or the terminals overheating e If the refrigerant gas leaks during installation ventilate the area immediately Toxic gas may be produced if the refrigerant gas comes into contact with fire 1 English e After completing the installation work check that the refrigerant gas does not leak Toxic gas may be produced if the refrigerant gas leaks into the room and comes into contact with a source of fire such as a fan heater stove or cooker e Before touching electrical parts turn off the unit CAUTION e Ground the air conditioner Do not connect the ground wire to gas or water pipes lightning conductor or a telephone ground wire Incomplete grounding may result in electric shocks e Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks e While following the instructions in this installation manual install drain piping in order to ensure proper drainage and insulate piping in order to prevent condensation Improper drain piping may result in water leakage and property damage e Install the indoor and outdoor units power cord and connecting wires at least 1 meter away from televisions or radios in order to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be sufficient enough to eliminate the noi
14. bserve the following points when Y wiring e TE Do not connect wires of different gauge to the Electric wire same power supply terminal Looseness in the connection may cause overheating Connect wires of the Do not connect wires Do not connect wires k same gauge to both ofthe same gauge to of different gauges e When connecting wires of the same gauge con side bne side without applying excessive force to the terminal Tightening toque 1 31N m 10 nect them according to the righthand figure e Use the specified electric wire Connect the wire PS AF securely to the terminal Lock the wire down Keep total current of crossover wiring between indoor units less than 12 A When using two power wiring of a gauge greater than 2 mm 1 6 branch the line outside the terminal board of the unit in accordance with electrical equipment standards The branch must be sheathed to provide an equal or greater degree of insulation as the power supply wir ing itself Do not connect wires of different gauge to the same grounding terminal Looseness in the connection may deteriorate protection Keep transmission wiring at least 50 mm away from power supply wiring The equipment may malfunction if subjected to electrical external noise For remote controller wiring refer to the INSTALLATION MANUAL OF REMOTE CONTROLLER Never connect power supply wiring to the terminal board for transmi
15. e f the customer wishes to use a remote controller that is not listed above select a suitable remote controller after consulting catalogs and technical materials English FOR THE FOLLOWING ITEMS TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED Items to be checked after completion of work Items to be checked If not properly done what is likely to occur Check Is the indoor unit fixed firmly The unit may drop vibrate or make noise Is the gas leak test finished It may result in insufficient cooling Is the unit fully insulated Condensate water may drip Does drainage flow smoothly Condensate water may drip Does the power supply voltage correspond to that shown on the name plate The unit may malfunction or the components burn out Are wiring and piping correct The unit may malfunction or the components burn out Is the unit safely grounded Dangerous at electric leakage Is wiring size according to specifications The unit may malfunction or the components burn out Is something blocking the air outlet or inlet of either the indoor or outdoor units It may result in insufficient cooling Are refrigerant piping length and additional refrigerant charge noted down The refrigerant charge in the system is not clear 2 4 NOTE TO THE INSTALLER e Read this manual carefully to ensure correct installation Be
16. er fasten to the wall using the holes provided or fasten to the floor with an optional floor fastener CS PM1HPK Lift legs CS RM1HPK Lift legs T UO v 3 The legs can be retracted if the indoor unit is to be hung on a wall To do so lift the legs as shown in the figure on the right NOTES 1 Use the installation mount for installation Check whether the wall is strong enough to bear the weight of the unit or not if there is a risk reinforce the wall before installing the unit 2 The unit requires a minimum 100 mm clearance on the under side for air intake Also ensure the unit is level when installed Installation screw Lower case of remote control switch Lid of control panel von NOTE so that drainage flows smoothly if inclined water can leak See the accessory 4 Use the following procedure to mount the remote control instruction procedure for ler switch optional accessory on the unit is so desired instructions on screw ee fastening and wiring for the CS PM1HPK type only remote controller switch e Open the left side lid of control panel and mount the lower case on the remote controller switch 6 REFRIGERANT PIPING WORK For refrigerant piping of outdoor units see the installation manual attached to the outdoor unit Be sure to thermally insulate both the gas pipes and fluid pipes Water leakage may result if the pipes are not insulated
17. in electric shock 9 3 CONTROL BY 2 REMOTE CONTROLLERS Controlling 1 indoor unit by 2 remote controllers e When using 2 remote controllers one must be set to MAIN and the other to SUB MAIN SUB CHANGEOVER 1 Insert a wedge head screwdriver into the recess between the upper and lower parts of remote controller and working from the 2 positions remove carefully the upper part The remote controller PC board is attached to the upper part of remote controller Upper part of remote controller Lower part of remote controller Insert the screwdriver here and gently work off the upper part of remote controller 2 Turn the MAIN SUB changeover switch on one of the two remote controllers PC board to S Z D Leave the switch of the other remote controller S Factory setting M set to M Remote controller Only one remote controller PC board needs to be changed if factory settings have T M remained untouched OC jJ 9 4 COMPUTERISED CONTROL FORCED OFF AND ON OFF OPERATION 1 Wire specifications and how to perform wiring e Connect the input from outside to terminals T1 and T2 of the terminal board remote controller to trans mission wiring Wire specification Sheathed vinyl cord or cable 2 wire FORCED _ 2 OFF Gauge 0 75 1 25 mm Length Max 100 m Input A Esa nalita Contact that can ensure the minimum applicable l
18. n CAUTION FOR SERVICING of the indoor unit English 3VA11734 2A EM01A161 ono
19. ndahble but in case of emergency You must use a torque wrench but if you are obliged to install the unit without a torque wrench you may follow the installation method mentioned below After the work is finished make sure to check that there is no gas leak When you keep on tightening the flare nut with a spanner there is a point where the tightening torque suddenly increases From that position further tighten the flare nut the angle shown below Table 2 Pipe size Further tightening angle Recommended arm length of tool o 6 4 1 4 60 to 90 degrees Approx 150mm 9 9 5 3 8 60 to 90 degrees Approx 200mm o 12 7 1 2 30 to 60 degrees Approx 250mm o 15 9 5 8 30 to 60 degrees Approx 300mm o 19 1 3 4 20 to 35 degrees Approx 450mm 7 DRAIN PIPING WORK Rig the drain pipe as shown below and take measures against condensation Improperly rigged piping could lead to leaks and eventually wet furniture and belongings 1 Connect the drain hose 1 using the attached hose and parts as shown in the right drawing 2 After piping work is finished check drainage flows smoothly 3 Be sure to insulate all indoor pipes Drip pan clamp metal Attached part 2 Drain hose Attached part 1 50 or more 3 4 B drain pipe Cut to suitable length CAUTION Drain piping connections Do not connect the drain piping directly to sewage pipes that
20. oad of 15 V DC 10 mA 2 Actuation e The following table explains FORCED OFF and ON OFF OPERATIONS in response to input A FORCED OFF ON OFF operation Input ON stops operation impossible by remote controllers Input OFF ON turns ON unit Input OFF enables control by remote controller Input ON OFF turns OFF unit 13 English 3 How to select FORCED OFF and ON OFF e Turn the power on and then use the remote controller to select operation e Set the remote controller to the field set mode For details refer to the HOW TO SET IN THE FIELD in the remote controller manual e When in the field set mode select mode No 12 then set the first code switch No to 1 Then set second code position No to 01 for FORCED OFF and 02 for ON OFF OPERATION FORCED OFF at factory set 9 5 CENTRALIZED CONTROL Mode No SECOND CORD NO FIRST CORD NO FIELD SET MODE e For centralized control it is necessary to designate the group No For details refer to the manual of each optional controllers for centralized control 10 TEST OPERATION Refer to the installation manual of the outdoor unit e The operation lamp of the remote controller will flash when an error occurs Check the error code on the liq uid crystal display to identify the point of trouble An explanation of error codes and the corresponding trou ble is provided i
21. re installing the indoor unit e Entrust installation to the place of purchase or a qualified serviceman Improper installation could lead to leaks and in worse cases electric shock of fire e When installing the unit in a small room take measures against to keep refrigerant concentration from exceeding allowable safety limits in the event of refrigerant leakage Contact the place of purchase for more information Excessive refrigerant in a closed ambient can lead to oxygen deficiency e Use only parts provided with the unit or parts satisfying required specifications Unspecified parts could cause the unit to fall out of place or could lead to leaks and in worse cases electric shock or fire e Do not install or operate the unit in rooms mentioned below e Laden with mineral oil or filled with oil vapor or spray like in kitchens Plastic parts may deteri orate which could eventually cause the unit to fall out of place or could lead to leaks English 2 e Where corrosive gas like sulfurous gas exists Copper tubing and brazed spots may corrode which could eventually lead to refrigerant leaks e Where exposed to combustible gases and where volatile flammable gas like thinner or gasoline is used Gas in the vicinity of the unit could ignite e Where machines can generate electromagnetic waves Control system may malfunction e Where the air contains high levels of salt such as that near the ocean and where voltage fluctu
22. rk Do not try to install the machine yourself Improper installation may result in water leakage electric shocks or fire e Perform installation work in accordance with this installation manual Improper installation may result in water leakage electric shocks or fire e Be sure to use only the specified accessories and parts for installation work Failure to use the specified parts may result in water leakage electric shocks fire or the unit falling e Install the air conditioner on a foundation strong enough to withstand the weight of the unit A foundation of insufficient strength may result in the equipment falling and causing injuries e Carry out the specified installation work after taking into account strong winds typhoons or earthquakes Improper installation work may result in the equipment falling and causing accidents e Make sure that a separate power supply circuit is provided for this unit and that all electrical work is carried out by qualified personnel according to local laws and regulations and this installation manual An insufficient power supply capacity or improper electrical construction may lead to electric shocks or fire e Make sure that all wiring is secured the specified wires and used and no external forces act on the terminal connections or wires Improper connections or installation may result in fire e When wiring the power supply and connecting the wiring between the indoor and outdoor units position the wires so th
23. se e Remote controller wireless kit transmitting distance can result shorter than expected in rooms with elec tronic fluorescent lamps inverter or rapid start types Install the indoor unit as far away from fluorescent lamps as possible e Do not install the air conditioner in the following locations a where a mineral oil mist or an oil spray or vapor is produced for example in a kitchen Plastic parts may deteriorate and fall off or result in water leakage b where corrosive gas such as sulfurous acid gas is produced Corroding copper pipes or soldered parts may result in refrigerant leakage c near machinery emitting electromagnetic waves Electromagnetic waves may disturb the operation of the control system and result in a malfunction of the equipment d where flammable gases may leak where there are carbon fiber or ignitable dust suspensions in the air or where volatile flammables such as thinner or gasoline are handled Operating the unit in such conditions may result in fire 2 BEFORE INSTALLATION e Decide upon a line of transport e Leave the unit inside its packaging while moving until reaching the installation site Use a sling of soft mate rial where unpacking is unavoidable or protective plates together with a rope when lifting to avoid damage or scratches to the unit e Refer to the installation manual of the outdoor unit for items not described in this manual 2 1 PRECAUTIONS e Be sure to read this manual befo
24. ssion wiring A mistake of the sort could damage the entire system Use only specified wire and tightly connect wires to terminals Be careful wires do not place external stress on terminals Keep wiring in neat order and so as not to obstruct other equipment such as popping open the service cover Make sure the cover closes tight Incomplete connections could result in overheating and in worse case electric shock or fire 9 2 WIRING EXAMPLE e Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing COMPLETE SYSTEM EXAMPLE 3 SYSTEMS Power supply Outdoor unit Power supply wiring Main Transmission wiring switch ope Soa i ae Switch Fuse HR box Ab Only for Heat recovery system indoor unt 5 e Remote controller 11 English 1 When using 1 remote controller for 1 indoor unit Normal operation Power supply 220 240V Power supply 220 240V ror LNO 220V J 60Hz Outdoor unit Control box I IN D_ OUT D F1 F2 F1 Power supply 220 240V L NGO tk 50Hz or 220V 60Hz Power supply 220 240V L N a 50Hz or 220V 60Hz 2
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