1. BEFORE INSTALLATION
Contents
1. n a 9 r4 W MITSUBISHI ELECTRIC SPLIT TYPE AIR CONDITIONERS INSTALLATION MANUAL Model names are indicated in 1 3 When installing multi units refer to the installation manual of the multi unit for outdoor unit installation JG79A152H02 Level Scale Phillips screwdriver Utility knife or scissors 65 mm hole saw Torque wrench Wrench or spanner Required Tools for Installation 4 mm hexagonal wrench Flare tool for R410A Gauge manifold for R410A Vacuum pump for R410A Charge hose for R410A Pipe cutter with reamer 1 BEFORE INSTALLATION 1 1 THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY Be sure to read THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY before installing the air conditioner Be sure to observe the warnings and cautions specified here as they include important items related to safety After reading this manual be sure to keep it together with the OPERATING INSTRUCTIONS for future reference A WARNING Could lead to death serious injury etc Do not install the unit by yourself user E Do not install the unit in a place where inflammable W Do not discharge the refrigerant into the atmosphere If Incomplete installation could cause fire or electric gas may leak refrigerant leaks during installation ventilate the room shock injury due to the unit falling or leakage of water If gas leaks and accumulates in the area around the If refrigerant comes in contact2. A WARNING When pumping down the refrigerant stop the compressor before disconnecting the refrigerant pipes The compressor may burst if air etc get into it sfa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN
3. A mm Tightening torque Pipe diameter Nut Clutch type Clutch type Wing nut mm mm tool tool type tool Nem kgfecm for R410A for R22 for R22 6 35 1 4 17 1502 0 13 7 to 17 7 140 to 180 9 52 3 8 22 0to0 5 10t01 5 34 3 to 41 2 350 to 420 12 7 1 2 26 201025 49 0 to 56 4 500 to 575 215 88 5 8 29 73 5 to 78 4 750 to 800 3 3 PIPE CONNECTION Fasten flare nut with a torque wrench as specified in the table When fastened too tight flare nut may brake after a long period and cause refrigerant leakage Indoor unit connection Connect both liquid and gas pipings to indoor unit Apply a thin coat of refrigeration oil J on the seat surface of pipe For connection first align the center then tighten the first 3 to 4 turns of flare nut Use tightening torque table below as a guideline for indoor unit side union joint section and tighten using two wrenches Excessive tightening damages the flare section Outdoor unit connection Connect pipes to stop valve pipe joint of the outdoor unit in the same manner applied for indoor unit For tightening use a torque wrench or spanner and use the same tightening torque applied for indoor unit A WARNING When installing the unit securely connect the refrigerant pipes before starting the compressor 3 4 INSULATION AND TAPING 1 Cover piping joints with pipe cover 2 For outdoor unit side surely insulate every pi
4. and proc e Do not pull the hose when applying the tape connecting wire A ess the end of the wire e When the drain hose passes the room be sure to wrap Felt tape 7 insulation material obtainable at a store around it Piping tape G F Rear right or downward piping Cutotintaseot 1 Put the refrigerant piping and the drain hose right piping together then firmly apply piping tape G from the end i 2 Insert the piping and the drain hose into the cul off if ee of wall hole sleeve C and hook the upper part ee piping of the indoor unit on the installation plate 1 3 Check if the indoor unit is hooked securely on the installation plate 1 by moving the unit to left and right 4 Thrust the lower part of the indoor unit into the installation plate 1 Drain Piping e If the extension drain hose has to pass through a room be sure to wrap it with com mercially sold insulation The drain hose should point downward for easy drain flow Fig 1 Ifthe drain hose provided with the indoor unit is too short connect it with drain hose I that should be provided at your site Fig 2 When connecting the drain hose to the hard vinyl chloride pipe be sure to insert it securely into the pipe Fig 3 O Drain Drain hose f nosa 70 cm or lt Bi inyi chonde Downward more pipe I D 30 mm slope r Soft hose i LD 15 mm Insert i o securely il Different P dia
5. hole sleeve C Outdoor 15 mm side 35 mm SLLLLILIL SILLLILILLLILLLLIILILLILILLLT VW Ceiling LZ 54 mm or more 4 130 mm or more for left and left Bind the line to the center hole a back piping using spacer Installation plate oe Lead wire Indoor outdoor unit connecting wire A 100 mm E For future servicing give extra length to the Indoor terminal block connecting wires Earth wire L 1S4 S2 S3 Make earth wire a little longer than others More green yellow J than 60 mm Do not fold the excess wire or cram it into small space Take caution not to damage the wires indoor outdoor Note Do not place the wires between the in unit a fp el E lan th c g door unit and the installation plate 1 Damaged connecting wire Fixing screw 2 Align the plumb a with iret dle wire could cause heat generation or fire A mark V the line Same for left hole 1 S2 S3 Outdoor terminal block 2 3 CONNECTING WIRES FOR INDOOR UNIT 2 4 PIPE FORMING AND DRAIN PIPING atte You can connect indoor outdoor lead wire without removing the front panel Pipe Forming Gas pine 1 Open the front panel e Place the drain hose below the refrigerant piping PE 2 Remove VA clamp Make sure that the drain hose is not heaved or snaked Indoor outdoor unit 3 Pass indoor outdoor unit connecting wire A from the back of the indoor unit
6. power supply Not doing so will cause the unit to start operation automatically when power supply is resumed To the user After installing the unit make sure to explain the user about auto restart function e If auto restart function is unnecessary it can be deactivated Consult the service representative to deactivate the function Refer to the service manual for details 4 4 EXPLANATION TO THE USER Using the OPERATING INSTRUCTIONS explain to the user how to use the air condi tioner how to use the remote controller how to remove the air filters how to remove or put the remote controller in the remote controller holder how to clean precautions for operation etc Recommend the user to read the OPERATING INSTRUCTIONS carefully 5 RELOCATION AND MAINTENANCE 5 1 REMOVING AND INSTALLING THE PANEL ASSEMBLY a w Removal procedure 1 Remove the 2 screws which fix the panel assem bly 2 Remove the panel assembly Be sure to remove its bottom end first A a N Installation procedure 1 Install the panel assembly following the removal procedure in reverse 2 Be sure to press the positions as indicated by the arrows in order to attach the assembly completely to the unit Xs A 5 2 REMOVING THE INDOOR UNIT Remove the bottom of the indoor unit from the installation plate When releasing the corner part release both left and right bottom corner part of indoor unit and pull it downward a
7. some baffle boards to reduce vibration transmitted from there Note When operating the air conditioner in low outside tempera ture be sure to follow the instructions described below e Never install the outdoor unit in a place where its air inlet outlet side may be exposed directly to wind To prevent exposure to wind install the outdoor unit with its air inlet side facing the wall To prevent exposure to wind it is recommended to install a baffle board on the air outlet side of the outdoor unit Avoid the following places for installation where air condi tioner trouble is liable to occur Where flammable gas could leak Where there is much machine oil Salty places such as the seaside Where sulfide gas is generated such as a hot spring Where there is high frequency or wireless equipment GE25 35 GE50 Pipe length and height difference Max pipe length 20 30 m Max height difference 12 15 m Pipe size A Rated Breaker Indoor outdoor e Outdoor unit Voltage Power supply Gas Liquid MUZ GE25VA 10A aak A a MUZ GE35VA 230 V 50 Hz core i 3 core 1 0mm o12 776 35 mm 4 Use a copper pipe or a copper alloy seamless pipe Additional refrigerant A x pipe length m 7 5 Be careful not to crush or bend the pipe during pipe bending 8 Insulation material Heat resisting foam plastic 0 045 6 Refrigerant pipe bending radius must be 100 mm or more specific gravity 7 If pipe length exceeds 7 m additiona
8. the unit falling etc ml When pumping down the refrigerant stop the com experienced electrician according to the installation W When plugging the power supply plug into the outlet pressor before disconnecting the refrigerant pipes manual Be sure to use an exclusive circuit Do not make sure that there is no dust clogging or loose If the refrigerant pipes are disconnected while the compres connect other electrical appliances to the circuit parts in both the outlet and the plug Make sure that the sor is running and the stop valve is open air could be drawn If the capacity of the power circuit is insufficient or there power supply plug is pushed completely into the outlet in and the pressure in the refrigeration cycle could become is incomplete electrical work it could result in a fire or If there is dust clogging or loose parts on the power sup abnormally high This could cause the pipes to burst or injury an electric shock ply plug or the outlet it could cause electric shock or fire If li When installing the unit securely connect the re E Do not damage the wires by applying excessive loose parts are found on the power supply plug replace it frigerant pipes before starting the compressor pressure with parts or screws E Attach the electrical cover to the indoor unit and the If the compressor is started before the refrigerant pipes Damaged wires could cause fire or electric shock service panel to the outdoor unit securely are connected a
9. to the terminal block Be careful not to make mis wiring Fix the wire Find a structural material such as a stud in the wall and fix installation plate 1 hori zontally with fixing screws 2 To prevent installation plate 1 from vibrating be sure to install the fixing screws in the holes indicated in the illustration For added support fixing screws may also be installed in other holes When the knockout is removed apply vinyl tape to the knockout edges to prevent damaging the wires When bolts recessed in the concrete wall are to be utilized secure installation plate 1 using 11 x 20 11 x 26 oval hole 450 mm pitch Ifthe recessed bolt is too long change it for a shorter one available in the market to the terminal block securely so that no part of its core is appeared and no external force is conveyed to the connecting section of the terminal block 5 Firmly tighten the terminal screws to prevent them from loosening After tightening pull the wires lightly to confirm that they do not move 6 Secure indoor outdoor unit connecting wire A and the earth wire with the VA clamp Never fail to hook the left claw of the VA clamp Attach the VA clamp securely 2 2 WALL HOLE DRILLING Terminal block 1 Determine the wall hole position ZY VA clamp 2 Drill a 65 mm hole The outdoor side should be 265mm i 5 7mm Fixing screw 5 to 7 mm lower than the indoor side Z 7 3 Insert wall
10. We lpinefvinghand dD gn e Connect drain hose I 1 D 15 mm as E P fi band 2to5 GE25 35VA 5 i E 1e Mungan e GE25 35 GE50 shown in the illustration F Fixing screw for E 4 x 20 mm 2to5 100 500 mm or more Choose one hole for draining and G Piping tape 1 install drain socket 9 Close the re H Putty 1 i maining two holes with drain cap 10 Drain hose 0 7S adnate I or soft PVC hose 15 mm inner 1 or 2 GESOVA Shia e a aa a downhill grade for easy drain flow diameter or hard PVC pipe VP16 I IN Note J Refrigeration oil 1 AN 5 q SS Install the unit horizontally K Power supply cord 1 Pe pes Do not use drain socket 9 in cold Note KA 9 Nl regions Drain may freeze and make the Place indoor outdoor unit connecting wire A 10 fan stop L and power supply cord K at least 1 m away GE25 35 GE50 35p IMPORTANT NOTES from the TV antenna wire 200 500 mm or more r mein To comply with the requirements of Australian standard AS NZS 3000 electri Units should be installed by licensed contractor Appearance of the outdoor unit may differ from cal installations wiring rules the electrical wiring required between the according to local code requirements some models indoor and outdoor units must be installed by a licenced electrical contractor 2 1 FIXING OF INSTALLATION PLATE 4 Loosen terminal screw and connect first the earth wire then indoor outdoor unit con B necting wire A
11. anel securely Terminal block e Make earth wire a little longer than others More than 60 mm e For future servicing give extra 15 mm i length to the connecting wires 35mm Indoor outdoor unit connecting wire A Power supply cord K Power supply Cord clamp cord K lt GE25 35 gt LIN Pa a L Lead wi Cord cl ead wire a 3 2 FLARING WORK 1 Cut the copper pipe correctly with pipe cutter Fig 1 2 _ Copper 2 Completely remove all burrs from the cut cross sec CS pipe tion of pipe Fig 3 Put the end of the copper pipe to downward direc tion as you remove burrs in order to avoid to let burrs drop in the piping Good No good 3 Remove flare nuts attached to indoor and outdoor 902 units then put them on pipe having completed burr a removal Not possible to put them on after flaring work 4 Flaring work Fig 4 5 Firmly hold copper pipe in the dimension shown in the table Select A mm from 7 the table according to the tool you use Fig 2 5 Check Compare the flared work with Fig 6 If flare is noted to be defective cut off the flared section and do flaring work Fig 1 Tilted Uneven Burred again Flaring tool Burr Copper pipe a Spare reamer I Pipe cutter 1 A Clutch type Wing nut type Fig 3 Fig 4 A Inside is shin Z a ecm Copper pipe Die Even length Flare nut Fig 5 all around E Fig 6
12. e not lit If they are blinking check that the horizontal vane is in stalled correctly Refer to operating instructions for details 2 Press the E O SW once for COOL and twice for HEAT operation Test run will be performed for 30 minutes If the upper lamp of the operation indicator blinks every 0 5 seconds inspect the indoor outdoor unit connecting wire 3 A for mis wiring After the test run emergency mode set temperature 24 C will start Emergency 3 To stop operation press the E O SW several times until operation switch all LED lamps turn off Refer to operating instructions for E O SW details Checking the remote infrared signal reception Press the ON OFF button on the remote controller 6 and check that an electronic sound is heard from the indoor unit Press the ON OFF button again to turn the air conditioner off Once the compressor stops the restart preventive device operates so the compressor will not operate for 3 minutes to protect the air conditioner 4 3 AUTO RESTART FUNCTION This product is equipped with an auto restart function When the power supply is stopped during operation such as during blackouts the function automatically starts operation in the previous setting once the power supply is resumed Refer to the operating instruc tions for details Caution After test run or remote signal reception check turn off the unit with the E O SW or the remote controller before turning off the
13. g work securely accord W Do not install the outdoor unit where small animals Do not connect the earth to a gas pipe water pipe light ing to the installation manual may live ning rod or telephone earth Defective earthing could If there is defect in the drainage piping work water If small animals enter and touch the electric parts inside cause electric shock could drop from the unit soaking and damaging house the unit it could cause a malfunction smoke emission E Install an earth leakage breaker depending on the hold goods or fire Also advise user to keep the area around the installation place E Do not touch the air inlet or the aluminum fins of unit clean If an earth leakage breaker is not installed it could the outdoor unit cause electric shock This could cause injury g P 1 2 SELECTING THE INSTALLATION LOCATION INDOOR UNIT Note Note Where airflow is not blocked In rooms where inverter type fluorescent lamps are used It is advisable to make a piping loop near outdoor unit so as 1 Where cool air spreads over the entire room Rigid wall without vibration Where it is not exposed to direct sunshine Where easily drained At a distance 1 m or more away from your TV and radio Operation of the air conditioner may interfere with radio or TV reception An amplifier may be required for the af fected device In a place as far away as possible from fluorescent and incandescent lights so the infrared remote control ca
14. h in case the wall is band E Se 3 ollow Fromm e Cut off the Pipe fixing band 3 Remote controller holder 1 a the leak E PHN extra length m E Aea a aE oaa e l insulating material tightly X 4 Bea for 93 5 T8 mm 2 so that there is no gap Co g screw AAD When the piping is to be at 5 Battery AAA for 6 e tached to a wall containing Outdoor unit installation GE25 35 GE50 6 Wireless remote controller 1 metals tin plated or metal 800 840 mm Felt tape netting use a chemically 150 169 7 For left or left rear piping 1 treated wooden piece 20 m Soo mM Tera mm or thicker between the Air inlet E 8 Air cleaning filter 2 n J wall and the piping or wrap Ele E lt Outdoor unit gt D 7 C 7 to 8 turns of insulation vi Fe E 9 Drain socket VA type only 1 g nyl tape around the piping amp 13 a 10 Drain ca 33 GE50VA onl 2 A G To use existing piping per 2 8 s 10 Drain cap 33 only E form COOL operation for 35 S PARTS TO BE PROVIDED S 30 minutes and pump down Z Air outlet Mii AT YOUR SITE before removing the old air 2 4 10 mm x 21mm slot 40 mm A lindoor outd it ii rel 4 SL conditioner Remake flare m A Indoor ou cor unit connecting wire 7 according to the dimension Drain piping for outdoor unit B Extension pipe 1 for new refrigerant lt VA type only gt C Wall hole sleeve 1 e Provide drain piping before indoor and D Wall hole cover 1 outdoor piping connection
15. l refrigerant R410A 9 Be sure to use the insulation of specified thickness Exces charge is required No additional charge is required for sive thickness may cause incorrect installation of the indoor pipe length less than 7 m unit and insufficient thickness may cause dew drippage Indoor unit MSZ GE22VA MSZ GE25VA MSZ GE35VA Max number of bends 5 6 Refrigerant adjustment A 7 30 20 g m Insulation thickness 8 9 MSZ GESOVA 1 Connect to the power switch which has a gap of 3 mm or more when open to interrupt the source power phase When the power switch is shut off it must interrupt all phases 2 Use wires in conformity with design 60245 IEC 57 3 Never use pipes with thickness less than specified The pressure resistance will be insufficient 1 4 INSTALLATION DIAGRAM Be sure to use wall hole a7 Wall hole cover D D sleeve C to prevent Indoor unit A EETA teem we indoor outdoor connecting _ Seal the wall hole g parts before installation pea d A gap with putty H Indoor unit gt eee s wire A from contacting Wall hole SEs 00 mm metal parts in the wall and sleeve C Fix the pipe to wall 1 Installation plate 1 Bess More to prevent damage by f D with pipe fixing 2 Installation plate fixing screw 5 s Ee a
16. meter joint Fig 1 Fig 2 Fig 3 Do not make drain piping as shown below Do not raise Accumulated drain water Tip of drain At least J Air hose dipped 50 mm L in water gap All UBN PAY Bt eal ainra KA ee Water Water Water Z z leakage leakage Waving leakage Zz Ditch Left or left rear piping Note Be sure to reattach the drain hose and the drain cap in case of left or left rear piping Otherwise it could cause drops of water to drip down from the drain hose Cut off in case of left piping Drain cap 1 Put the refrigerant piping and the drain hose together then firmly apply felt tape 7 from the end Felt tape 7 overlap width should be 1 3 the tape width Use a bandage stopper at the end of felt tape 7 2 Pull out the drain cap at the rear right of the indoor unit Fig 1 He the convex section at the end and pull the drain cap 3 Pull out the drain hose at the rear left of the indoor unit Fig 2 ve the claw marked by the arrows and pull out the drain hose forward 4 Put the drain cap into the section to which the drain hose is to be attached at the rear of the indoor unit Fig 3 Insert not sharp edged tools such as screwdrivers into the hole at the end of the cap and insert the cap fully into the drain pan Fig 3 5 Insert the drain hose fully into the drain pan at the rear right of the indoor
17. n operate the air conditioner normally Where the air filter can be removed and replaced easily REMOTE CONTROLLER Where it is easy to operate and easily visible Where children cannot touch it Select a position about 1 2 m above the floor and check that signals from the remote controller are surely re ceived by the indoor unit from that position beep or beep beep receiving tone sounds After that attach re mote controller holder to a pillar or wall and install wire less remote controller 3 SPECIFICATIONS the signal from the wireless remote controller may not be received OUTDOOR UNIT Where it is not exposed to strong wind Where airflow is good and dustless Where rain or direct sunlight can be avoided as much as possible Where neighbours are not annoyed by operation sound or hot air Where rigid wall or support is available to prevent the increase of operation sound or vibration Where there is no risk of combustible gas leakage When installing the unit at a high level be sure to secure the unit legs Where it is at least 3 m away from the antenna of TV set or radio Operation of the air conditioner may interfere with radio or TV reception in areas where reception is weak An amplifier may be required for the affected device Install the unit horizontally Please install it in an area not affected by snowfall or blowing snow In areas with heavy snow please install a canopy a pedestal and or
18. n if excess pressure is applied This may cause gas leak O 1 When attaching the control valve to S Service port the service port make sure that the Control ae valve core is in closed position and a open S then tighten part A Do not tighten part A or turn the body when valve Charge hose Biat it core is in open position Close Body X 3 Run the vacuum pump Vacuumize for more than 15 minutes 4 Check the vacuum with gauge manifold valve then close gauge manifold valve and stop the vacuum pump 5 Leave as it is for one or two minutes Make sure pointer gauge manifold valve remains in the same position Confirm that pressure gauge shows 0 101 MPa Gauge 760 mmHg 6 Remove gauge manifold valve quickly from service port of stop valve 7 After refrigerant pipes are connected and evacuated fully open all stop valves on both sides of gas pipe and liquid pipe Operating without fully opening lowers the perform ance and this causes trouble 8 Refer to 1 3 and charge the prescribed amount of refrigerant if needed Be sure to charge slowly with liquid refrigerant Otherwise composition of the refrigerant in the system may be changed and affect performance of the air conditioner 9 Tighten cap of service port to obtain the initial status 10 Leak test 4 2 TEST RUN 1 Insert power supply plug into the power outlet and or turn on the breaker Check that all LED lamps ar
19. nd forward as shown in the figure on the right If the above method cannot be used Remove the front panel Then insert hexagonal wrenches into the square holes on the left and right sides of the unit and push them up as shown in the following figure The bot tom of the indoor unit lowers and releases the hooks Square hole 5 3 PUMPING DOWN When relocating or disposing of the air conditioner pump down the system following the procedure below so that no refrigerant is released into the atmosphere 1 Connect the gauge manifold valve to the service port of the stop valve on the gas pipe side of the outdoor unit 2 Fully close the stop valve on the liquid pipe side of the outdoor unit 3 Close the stop valve on the gas pipe side of the outdoor unit almost completely so that it can be easily closed fully when the pressure gauge shows 0 MPa Gauge 0 kgf cm 4 Start the emergency COOL operation To start the emergency operation in COOL mode disconnect the power supply plug and or turn off the breaker After 15 seconds connect the power supply plug and or turn on the breaker and then press the E O SW once The emergency COOL operation can be performed continuously for up to 30 minutes 5 Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure gauge shows 0 05 to 0 MPa Gauge approx 0 5 to 0 kgf cm 6 Stop the emergency COOL operation Press the E O SW twice to stop the operation
20. nd when the stop valve is open air E Be sure to cut off the main power in case of setting If the electrical cover of the indoor unit and or the service could be drawn in and the pressure in the refrigeration up the indoor P C board or wiring works panel of the outdoor unit are not attached securely it could cycle could become abnormally high This could cause Failure to do so could cause electric shock result in a fire or an electric shock due to dust water etc the pipes to burst or injury E Use the specified wires to connect the indoor and E When installing or relocating the unit make sure E Fasten a flare nut with a torque wrench as specified outdoor units securely and attach the wires firmly to that no substance other than the specified refriger in this manual the terminal block connecting sections so the stress ant R410A enters the refrigerant circuit If fastened too tight a flare nut may break after a long of the wires is not applied to the sections Do not Any presence of foreign substance such as air can period and cause refrigerant leakage extend the wires or use intermediate connection cause abnormal pressure rise and may result in explo W The unit shall be installed in accordance with na Incomplete connecting and securing could cause fire sion or injury tional wiring regulations A CAUTION Could lead to serious injury in particular environments when operated incorrectly E Earth the unit correctly E Perform the drainage pipin
21. ping including valves 3 Using piping tape G apply taping starting from the entry of outdoor unit Stop the end of piping tape G with tape with adhesive agent attached When piping have to be arranged through above ceiling closet or where the tempera ture and humidity are high wind additional commercially sold insulation to prevent condensation 4 PURGING PROCEDURES LEAK TEST AND TEST RUN D 4 1 PURGING PROCEDURES AND LEAK TEST 1 Remove service port cap of stop valve on the side of the outdoor unit gas pipe The stop valve will not work in its initial state fresh out of the factory totally closed with cap on 2 Connect gauge manifold valve and vacuum pump to service port of stop valve on the gas pipe side of the outdoor unit Compound pressure gauge 0 101 MPa for R410A 760 mmHg 4 to 5 turns Stop valve cap Torque 19 6 to 29 4 Nem 200 to 300 kgf cm Pressure gauge for R410A Gauge manifold valve for R410A Close Open fo ls Hexagonal wrench Stop valve for LIQUID Handle High Charge hose for R410A Service port cap Torque 13 7 to 17 7 Nem 140 to 180 kgf cm Adapter for pre mA venting the back flow Vacuum pump or the vacuum pump with the function to prevent the back flow r Precautions when using the control valve When attaching the control valve to the service port valve core may deform or loose
22. unit Fig 4 Check if the hose is hooked securely to the projec tion of its inserting part at the drain pan 6 Insert the drain hose into wall hole sleeve C and Fig 4 hook the upper part of indoor unit on installation plate 1 Then move the indoor unit completely to the left in ga order to make placing the piping in the back space of X P Drain cap Drain hose the unit easier 7 Cut out a piece of cardboard from the shipping box roll it up hook it onto the back rib and use it as a spacer Fig 5 to lift the indoor unit Fig 5 8 Connect the refrigerant piping with the extension pipe B 9 Thrust the lower part of the indoor unit into the installation plate 1 3 OUTDOOR UNIT INSTALLATION 3 1 CONNECTING WIRES FOR OUTDOOR UNIT 1 Open the service panel 2 Loosen terminal screw and connect indoor outdoor unit connecting wire A from the indoor unit correctly on the terminal block Be careful not to make mis wiring Fix the wire to the terminal block securely so that no part of its core is appeared and no external force is conveyed to the connecting section of the terminal block 3 Firmly tighten the terminal screws to prevent them from loosening After tightening pull the wires lightly to confirm that they do not move 4 Connect power supply cord K 5 Fix indoor outdoor unit connecting wire A and power supply cord K with the cord clamp 6 Close the service p
23. with a fire harmful gas Consult the dealer from whom you purchased the unit unit it could cause an explosion could be generated or a qualified installer Do not use intermediate connection of the power E Check that the refrigerant gas does not leak after E Perform the installation securely referring to the cord or the extension cord and do not connect installation has been completed installation manual many devices to one AC outlet If refrigerant gas leaks indoors and comes into contact Incomplete installation could cause fire or electric It could cause a fire or an electric shock due to defec with the flame of a fan heater space heater stove etc shock injury due to the unit falling or leakage of water tive contact defective insulation exceeding the permis harmful substances will be generated E Install the unit securely in a place which can bear sible current etc E Use appropriate tools and piping materials for installation the weight of the unit E Be sure to use the parts provided or specified parts The pressure of R410A is 1 6 times more than R22 If the installation location cannot bear the weight of the for the installation work Not using appropriate tools or materials and incomplete unit the unit could fall causing injury The use of defective parts could cause an injury or leakage installation could cause the pipes to burst or injury E Electrical work should be performed by a qualified of water due to a fire an electric shock
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