Home

Mitsubishi Electronics MSZ-FD09/12NA User's Manual

1. JG79A015H01 MITSUBISHI ELECTRIC SPLIT TYPE AIR CONDITIONERS INSTALLATION MANUAL MSZ FD09 12NA When installing multi units refer to the installation manual of the multi unit for outdoor unit installation ENGLISH Required Tools for Installation Phillips screwdriver 5 32 in 4 mm hexagonal wrench Level Flare tool for R410A Scale Gauge manifold for R410A Utility knife or scissors Vacuum pump for R410A 2 9 16 in 65 mm hole saw Charge hose for R410A Torque wrench Pipe cutter with reamer Wrench or spanner 4 BEFORE INSTALLATION 1 1 THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY e Be sure to read these safety precautions and instructions e Be sure to observe the warnings and cautions specified here e After reading this manual be sure to store it with the OPERATING INSTRUCTIONS for future reference e Please report to your supply authority or obtain their consent before connecting this equipment to the power supply system A WARNING Could lead to death or serious injury E Do not install the unit by yourself user Improper or incomplete installation could cause fire electric shock injury due to the unit falling or water leakage Consult a qualified installer or the dealer from whom you purchased the unit E Follow the instructions detailed in the installation manual Incomplete installation could cause fire or electric shock injury due to the unit fall ing or leakage of
2. When fastened too tight flare nut may eventually break and cause refrigerant leakage Indoor unit connection Connect both liquid and gas pipings to indoor unit Apply a thin coat of refrigerant oil J on the seat surface of pipe To connect first align the center then tighten the first 3 to 4 turns of flare nut Use tightening torque table above as a guideline for indoor unit side joints 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 following the same procedure detailed in Indoor unit connection For tightening use a torque wrench or spanner 3 4 INSULATION AND TAPING 1 Cover piping joints with pipe cover 2 For outdoor unit side insulate the piping including valves 3 Apply piping tape G starting from the connection on the outdoor unit When piping has to be installed through a ceiling closet or where the temperature and humidity are high use additional field supplied insulation to prevent condensa tion 4 PURGING PROCEDURES LEAK TEST AND TEST RUN 4 1 PURGING PROCEDURES AND LEAK TEST 1 Remove service port cap of stop valve on the side of the outdoor unit gas pipe 2 Connect gauge manifold valve and vacuum pump to service port of stop valve on the gas pipe side of the outdoor unit a 0 101 MPa Compound pressure gauge 4 to 5 turns Stop valve c
3. 100 mm or more Open two sides of left right or rear side Units should be installed by licensed contractor according to local code requirements Use the wall hole sleeve a Wall hole cover D C to prevent indoor out Indoor unit I Seal the wall hole gap with putty H door connecting wire A from contacting metal Wall hole parts in the wall and to sleeve C Attach the pipe to protect the wiring from fii wall with pipe at rodents tachment strap E Cut off the Pipe attachment extra length strap E Attachment screw F left back piping using spacer After the leak test apply insulating mate rial tightly so that there is no gap When the piping is to be attached to a wall comprised of tin plate or metal netting use chemically treated wooden piece 25 32 in 20 mm or thicker between the wall and the piping or wrap insulation vinyl tape 7 to 8 turns around the piping To use existing piping perform COOL operation for 30 minutes and pump down before removing the old air conditioner Remake flare according to the dimension for new refrigerant Unit inch 31 1 2 5 19 11 16 15 16 SAA P g Air inlet z gjs i 2S A U Air outlet 2 3 8 x 13 16 slot Unit mm 800 150 Air inlet 344 5 285 304 325 v 40 2 10 x 21 slo Air outlet 2 INDOOR UNIT INSTAL
4. ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN
5. an injury or leakage of water due to a fire an electric shock the unit falling etc E When plugging the power supply plug into the outlet make sure that there is no dust blockage or loose parts both in the outlet and on the plug Verify that the power supply plug is completely in the outlet If there is dust blockage or loose parts on the power supply plug or the outlet it could cause electric shock or fire If loose parts are found on the power supply plug replace it E Depending on the installation area install a Ground Fault Interrupt GFI circuit breaker If the Ground Fault Interrupt GFI circuit breaker is not installed an electric shock could occur E Perform the drainage piping work securely according to the installation manual If there is defect in the drainage piping work water could drip from the unit and damage household items X A CAUTION E Securely attach the electrical cover to the indoor unit and the service panel to the outdoor unit If the electrical cover of the indoor unit and or the service panel of the outdoor unit are not attached securely dust water etc could collect in the unit and could cause a fire or an electric shock E When installing or relocating the unit make sure that no substance other than the specified refrigerant R410A enters the refrigerant circuit Any foreign substances in the refrigerant circuit can cause abnormal pressure rise or an explosion E Do not discharge t
6. circuit 1 3 2 REFRIGERANT PIPES To prevent condensation insulate the two refrigerant pipes e Refrigerant pipe bending radius must be 4 in 100 mm or more Z CAUTION SsSsSsSSSSSSSSSSSSSSSSS Be sure to use the insulation of specified thickness table on the right Excessive insula tion may cause incorrect installation of the indoor unit and too little insulation may cause condensate to form The unit has flared connections on both indoor and outdoor sides Remove the valve cover from the outdoor unit then connect the pipe Refrigerant pipes are used to connect the indoor and outdoor units Be careful not to crush or over bend the pipe in pipe bending e Refrigerant adjustment If pipe length exceeds 25 ft 7 5 m additional refrigerant R410A charge is required The outdoor unit is charged with refrigerant for pipe length up to 25 ft 7 5 m Electrical specifications Power supply V PHASE HZ Min GrcutAmpaciy A Fan motor F L A A 0 76 OUTDOOR UNIT R LA A 8 6 10 8 RA A Indoor unit Remote controller Wireless Control voltage Indoor unit Outdoor unit DC12 24 V Polar Outside Minimum Insulation diameter WaS MIC thickness ness Compressor Insulation material inch mm For liquid 1 4 6 35 Ga 7 5 16 8 Heat resistant foam plastic 0 045 Specific 5 16 8 gravity Limits 65 ft 20 m max 40 ft 12 m max Pipe length Height dif
7. operation such as during blackouts the function automatically starts operation in the previous setting once the power supply is resumed Refer to the operating instructions 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 power supply If this procedure is not per formed the unit will automatically begin operation when power supply is resumed To the user After installing the unit explain to the user about auto restart function If auto restart function is unnecessary it can be deactivated Consult the service rep resentative to deactivate the function Refer to the service manual for details 4 4 REMOTE CONTROLLER SETTING Set the slide switch of the remote controller according to where the indoor unit is installed in the area If the switch is not set correctly the air conditioner may not function properly Location of unit in area Left Distance to objects wall cabinet etc is less Left Center Right than 19 11 16 in 50 cm to the left Center Distance to objects wall cabinet etc is more than 19 11 16 in 50 cm to the left and right T Right Distance to objects wall cabinet etc is less than 19 11 16 in 50 cm to the right 1 Remove the front lid 2 Set the slide switch according to the installed position of the indoor unit 3 Insert two AAA batteries 4 Reattach the front lid 5
8. the indoor unit beep or beep beep receiving tone sounds Then attach remote controller holder to a pillar or wall and install wireless remote controller 1 3 SPECIFICATIONS Note In rooms where inverter type fluorescent lamps are used the signal from the wireless remote controller may not be received OUTDOOR UNIT e Where it is not overly exposed to strong winds e Where airflow is good and dustless e Where neighbours are not annoyed by operation sound or hot air e Where rigid wall or support is available to prevent the increase of operation sound or vibration e Where there is no risk of combustible gas leakage e If installing the unit in a location high above the ground be sure to secure the unit legs e Where it is at least 10 ft 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 re ception is weak An amplifier may be required for the affected device e Install the unit horizontally e 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 baffle boards Note e It is advisable to make a piping loop near outdoor unit so as to reduce vibration e For increased efficiency install the outdoor unit in a location where continuous direct sunlight or excessive water can be avoided as much as possible Note When operating the ai
9. LATION 2 1 ATTACHING THE INSTALLATION PLATE Find a stud in the wall to attach installation plate 1 horizontally on the wall with screws 2 To prevent installation plate 1 from vibrating be sure to install the attachment screws in the holes indicated in the illustration For added support additional screws may also be installed in other holes e When the indoor unit is to be attached to a concrete wall using recessed bolts secure installation plate 1 using 7 16 in x 13 16 in 7 16 in x 1 in 11 mm x 20 mm 11 mm x 26 mm oval hole 17 3 4 in 450 mm pitch Ifthe recessed bolt is too long change it for a shorter one field supplied VLLILITTL Ceiling GY Bind the line to the center hole 5 5 8 in 60 mm or more 2 3 8 in 142 5 mm or more for left and left back piping using spacer Esem 60 mm or more Installation plate 1 Level Ss 3 5 16 in 84 mm or more Align the Center of scale with 2 9 16 in 65 mm hole Align the plumb line with the mark V Attachment screw 2 Same for left hole 2 2 DRILLING 1 Determine where the holes will be located on the wall 2 Drill a 2 9 16 in 65 mm hole The outdoor side should be 6 32 to 9 32 in 5 to 7 mm lower than the indoor side 2 9 16 in 2 3 Insert wall hole sleeve C 65 mm ape in 2 3 CONNECTING WIRES FOR INDOOR UNIT Note Outdoor side When the
10. Press the RESET button gently using a thin instrument SLIDE SWITCH i RESET 5y a AME 1O L LOR L C R SP T JL IL os lt n S 4 5 EXPLANATION TO THE USER Using the OPERATING INSTRUCTIONS explain to the user how to use the air condition er the remote controller removing the air filters placing or removing the remote controller from the remote controller holder cleaning methods precautions for operation etc Recommend that the user read the OPERATING INSTRUCTIONS carefully Installation posi tion Left C R Slide switch Remote controller display 5 RELOCATION AND MAINTENANCE 5 1 REMOVING AND INSTALLING THE PANEL ASSEMBLY Removal procedure 1 Remove the two screws that attach the panel assembly 2 Remove the panel assembly Be sure to remove its bottom end first 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 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 and forward as shown in the figure on the right If the
11. 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 bottom of the indoor unit lowers and releases the hooks 5 3 PUMPING DOWN When relocating or disposing of the air conditioner pump down the system following the procedure below so that refrigerant is not 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 Ibf in 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 7 25 to 0 Ibf in 0 5 to 0 kgf cm 6 Stop the emergency COOL operation Press the E O SW twice to stop the operation Lower LA Square hole sa MITSUBISHI
12. ap 30 in Hg Or RAID Torque 19 6 to 760 mHg Pressure gauge Close 29 4 N m 200 Stop valve for R410A to 300 kgfrcm for LIQUID Gauge manifold valve for R410A Handle High Charge hose for R410A Hexagonal wrench Service port cap Torque 13 7 to 17 7 Nem 140 to 180 kgf cm Adapter for pre A Tni venting the back flow Vacuum pump or the vacuum pump with the function to prevent the back flow r N Precautions when using the control valve When attaching the control valve to the service port valve core may deform or loosen if excess pressure is applied This may cause gas leak iS When attaching the control valve to the service port make sure that the valve core is in closed position and then tighten part A Do not tighten part A or turn the body when valve core is in open position Service port A Control valve Open Close Body X A XX a Charge hose 3 Run the vacuum pump 15 minutes or more 4 Check the vacuum with the gauge manifold valve then close it and shut off 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 30 in Hg 760 mmHg 6 Quickly remove gauge manifold valve from service port of stop valve 7 After refrigerant pipes are connected and evacuated fully op
13. ding to national wiring regulations Could lead to serious injury when operated incorrectly E Do not touch the air inlet or the aluminum fins of the outdoor unit This could cause injury E Do not install the outdoor unit where small animals may live If small animals enter the unit and damage its electrical parts it could cause a malfunction smoke emission or fire Keep the area around the unit clean 1 2 SELECTING THE INSTALLATION LOCATION INDOOR UNIT Where airflow is not blocked Where cool air spreads over the entire room On a rigid wall to reduce the possibility of vibration Where it is not exposed to direct sunlight Where it can be easily drained At a distance 3 ft 1 m or more away from a TV and radio Operation of the air conditioner may interfere with radio or TV reception An amplifier may be re quired for the affected device e Ina place as far away as possible from fluorescent and incandescent lights so the infrared remote control can operate the air conditioner normally e Where the air filter can be removed and replaced easily Note Install the indoor unit high on the wall where air can dis tribute over the entire room REMOTE CONTROLLER e Where it is convenient to operate and easily visible e Where children cannot easily touch it Select a position about 4 ft 1 2 m above the floor Check that signals from the remote controller from that position are received by
14. en all stop valves on both sides of gas pipe and liquid pipe Operating the unit without fully opening the valves lowers the performance and causes problems 8 Refer to 1 3 SPECIFICATIONS 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 10 Conduct a leak test 4 2 TEST RUN 1 Insert power supply plug into the power outlet and or turn on the breaker 2 Press the E O SW once Test run will be performed for 30 minutes If the power lamp blinks every 0 5 seconds inspect the indoor outdoor unit connecting wire A After the test run emergency COOL mode 75 F 24 C COOL will start 3 To stop operation press the E O SW several times until all LED lamps turn off Refer to operating instructions for lle ores details E O SW Checking the remote infrared signal reception Press the ON OFF button on the remote controller and listen for an audible indicator 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 cut off during
15. ference No of bends 10 max Up to 25 ft 7 5 m No Pee is Additional charge is required Exceeding 25 ft 7 5 m Refer to the table below Pipe length Refrigerant to be 1 62 oz each 5 ft 30 g m 1 4 INSTALLATION DIAGRAM ACCESSORIES Check the following parts before installation lt Indoor unit gt 1 Installation plate 1 Attachment screws for the installa 2 tion plate 5 4 x 25mm 3 Remote controller holder 1 z No S Screws for the remote controller 3 4 holder 2 5 3 5 x 16 mm Black SS ae 5 Battery AAA for 6 2 5 6 Wireless remote controller 3 7 Felt tape For left or left rear piping 1 8 Anti Allergy Enzyme Filter 1 9 Platinum deodorizing filter 1 FIELD SUPPLIED PARTS A Indoor outdoor unit connecting wire 1 B Extension pipe 1 C Wall hole sleeve 1 D Wall hole cover 1 E Pipe attachment strap 2to5 F Screw for E 4 x 20 mm 2to5 G Piping tape 1 H Putty 1 Drain hose D or soft PVC hose 19 32 in 15 mm 2t05 inner diameter or hard PVC pipe VP16 J Refrigerant oil 1 K Power supply cord 1 Note Place indoor outdoor unit connecting wire A and power supply cord K at least 3 ft 1 m away from the TV antenna wire Basically open 4 in 100 mm or more without any obstruction in front and on both sides of the unit 4 in
16. he refrigerant into the atmosphere Check that the refrigerant gas does not leak after installation has been completed If refrigerant leaks during installation ventilate the room If refrigerant comes in contact with a fire harmful gas could be generated If refrigerant gas leaks indoors and comes into contact with the flame of a fan heater space heater stove etc harmful gases will be generated E Use appropriate tools and piping materials for installation The pressure of R410A is 1 6 times higher than R22 Not using the appropriate tools and materials or improper installation could cause the pipes to burst causing an injury E When pumping down the refrigerant stop the compressor before disconnecting the refrigerant pipes If the refrigerant pipes are disconnected while the compressor is running and the stop valve is open air could be drawn in and the pressure in the refrigeration cycle could become abnormally high causing the pipes to burst E When installing the unit securely connect the refrigerant pipes before starting the compressor If the compressor is started before the refrigerant pipes are connected and the stop valve is open air could be drawn in and the pressure in the refrigeration cycle could become abnormally high causing the pipes to burst E Fasten a flare nut with a torque wrench as specified in this manual If fastened too tight a flare nut could break and cause refrigerant leakage E Install the unit accor
17. ift the indoor unit completely to the left to make placing the piping in the back of 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 to lift the indoor unit Fig 5 8 Connect the refrigerant piping with the extension pipe B 9 Attach the lower part of the indoor unit into the installation plate 1 Rear or bottom piping 1 Place the refrigerant piping and the drain hose together then firmly apply piping tape G from the end 2 Insert the piping and the drain hose into the wall hole sleeve C and attach the up per part of the indoor unit on the installation plate 1 3 Check if the indoor unit is attached securely on the installation plate 1 by moving the unit to left and right 4 Attach the lower part of the indoor unit into the installation plate 1 Right piping Note Before performing the following make sure that wiring is completed and the conduit cover is installed Refer to 2 3 1 Place the refrigerant piping and the drain hose together shift them to left side of the unit and then firmly apply piping tape G from the end 2 Insert the piping and the drain hose into the wall hole sleeve C and attach the up per part of the indoor unit on the installation plate 1 3 Check if the indoor unit is attached securely on the installation plate 1 by moving the unit to left and right 4 Attach the lower part of the ind
18. indoor unit is powered from the outdoor unit depending on local code a discon nect switch needs to be installed to a power supply circuit 1 Remove the panel assembly Refer to 5 1 2 Place the upper part of the indoor unit on the installation plate 3 Remove corner box and conduit cover 4 Attach conduit pipe for rear piping elbow joint for right left or downward piping to conduit cover with lock nut The thread of the installed conduit pipe elbow joint appear ing inside should be less than 3 8 in 10 mm Fig 1 Elbow joint should appear less than 1 3 16 in 30 mm outside Fig 2 5 Process the end of ground wire Fig 3 Connect it to the ground terminal of electrical parts box 6 Process the end of indoor outdoor unit connecting wire A Fig 3 Attach it to the terminal block Be careful not to make mis wiring Attach the wire to the terminal block securely so that its core cannot be seen and no external force affects the connecting section of the terminal block 7 Firmly tighten the terminal screws After tightening verify that the wires are tightly fas tened 8 Secure indoor outdoor unit connecting wire A and the ground wire with conduit cover Never fail to hook the claw of the conduit cover to the electrical box Attach the conduit cover securely Fig 4 9 According to the piping direction remove the shaded part of the left side of box Fig 5 or corner box Fig 6 Reinstall corner box and fro
19. nt panel Sal Lock nut O Z a yy Conduit Fixing va A cover Indoor terminal Screw 9 block Conduit pipe or g Elbow joint for rear piping for right left or downward piping Connect wires to the appropriate terminals e For future servicing leave some slack in the connecting wires Conduit cover Remark INDOOR UNIT g A disconnect switch is Terminal biock Grouding required Terminal block jv terminal Check the local code Use a ring tongue termi xx 54 Jj nal in order to connect a Di t 4 ground wire to terminal une Less than 3 8 in Less than 1 3 16 in 208 230 V AC 10 mm Zz _4 30mm 1phase 60 Hz beakniit Elbow joint athe for right left or OUTDOOR UNIT Sonda pips or downward piping pE ES elbow join Power supply Fig 1 Fig 2 208 230 V AC 1phase 2wires 60 Hz 19 32 in 15 mm Ground Grouding terminal Lead 75 wire Make ground wire a little longer than others More than 1 9 16 in 40 mm Conduit cover Fig 4 Corner box Remove panel for Remove panel for Ri if piping on left side of piping on bottom left eMOVE pane tor unit side of unit Remove panel for piping on right side of piping on bottom side unit Fig 5 Of unit Fig 6 2 4 PIPE FORMING AND DRAIN PIPING 2 4 1 PIPE FORMING e Place the drain hose below the refrigerant piping Make sure that the drain hose is not crowded or bent e Do not pull the hose when ap
20. oor unit into the installation plate 1 2 4 2 DRAIN PIPING e If the extension drain hose has to pass through a room be sure to wrap it with insu lation field supplied e The drain hose should point downward for easy drain Fig 1 e If the drain hose provided with the indoor unit is too short connect it with a field supplied drain hose I Fig 2 e When connecting the drain hose to a hard vinyl chloride pipe be sure to insert it se curely into the pipe Fig 3 Remove panel for piping on right side of unit O Downward slope cs iS Fig 1 To Liquid pipe Gas pipe Indoor outdoor unit connecting wire A Felt tape 7 Piping tape G Remove panel for piping on left side of unit Drain hose Fig 2 Drain hose Drain cap Fig 3 Remove panel for piping on bottom side of unit the left Drain Drain hose m hose 27 9116 in Hard vinyl chloride pipe I D 1 3 16 in 70 cm or more 30 mm gt Soft hose D IL 19 32 in neen LO 45 securely J 5mm Different P diameter joint Fig 2 Fig 3 Do not make drain piping as shown below Do not raise D b EA Water leakage Accumulated At least drain water Tip of drain 1 31 32 in Air hose dipped 50 mm JN wate
21. plying the tape e When the drain hose passes the room be sure to wrap it with insulation material field supplied Note Make sure not to damage the cover of refrigerant pipe when attaching it back on with screws Left or left rear piping Note Be sure to reattach the drain hose and the drain cap if the piping is being installed on left or bottom left of unit otherwise water could drip down from the drain hose 1 Place 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 back right of the indoor unit Fig 1 Hold the convex section at the end and pull the drain cap 3 Pull out the drain hose at the back left of the indoor unit Fig 2 e Hold 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 a screwdriver into the hole on the cap and insert the cap fully into the drain pan 5 Insert the drain hose fully into the drain pan at the back right of the indoor unit Fig 4 Check if the hose is hooked securely to the projection of its inserting part at the drain pan 6 Insert the drain hose into wall hole sleeve C and attach the upper part of indoor unit onto the installation plate 1 Then sh
22. r conditioner in low outside tem perature 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 e To prevent exposure to wind install the outdoor unit with its air inlet side facing the wall and a baffle board on the air outlet side Avoid the following places for installation where air conditioner trouble is liable to occur Where flammable gas could leak Where there is an excessive amount of machine oil in the air Salty places such as the seaside Where sulfide gas is generated such as a hot spring Where there is high frequency or wireless equipment 1 3 1 POWER SUPPLY AND INDOOR OUTDOOR WIRE CONNECTION e Power should be taken from an exclusive branched circuit e Wiring work should be based on applicable technical standards e Wiring connections should be made following the diagram e Securely tighten screws Connecting wires and the ground wire e Use solid conductor AWG14 or stranded conductor AWG14 e Use double insulated copper wire with 600 V insulation e Use copper conductors only Follow local electrical codes Power supply cable and ground wire e Use solid or stranded conductor AWG14 e Use copper conductors only Follow local electrical codes Note When the indoor unit is powered from the outdoor unit depending on local code a disconnect switch needs to be installed to a power supply
23. r gap TA IDa Water Water A j leakage Waving leakage ZZ Ditch 3 OUTDOOR UNIT INSTALLATION 3 1 CONNECTING WIRES FOR OUTDOOR UNIT 1 Remove the service panel 2 Remove the conduit cover 3 Attach the conduit connector to conduit plate with lock nut then secure it against unit with screws 4 Connect ground wires of indoor outdoor unit connecting wire A and power supply cord K to the TB support 5 Loosen the terminal screw and attach indoor outdoor unit connecting wire A from the indoor unit correctly on the terminal block Attach the wire to the terminal block securely so that its core cannot be seen and no external force affects the connecting section of the terminal block 6 Firmly tighten the terminal screws After tightening verify that the wires are tightly fastened 7 Connect power supply cord K 8 Install the conduit cover 9 Install the service panel securely Service panel 1 3 8 in 35 mm Lead wire terminal Conduit plate Connector Terminal block misii 19 32 in 15 mm Te Power supply cord K Make earth wire a little longer than others More than 2 3 8 in 60 mm e For future servicing leave some slack in the connecting wires Indoor outdoor unit TB support al Conduit cover 3 2 FLARE CONNECTION 1 Cut the copper pipe as straight as possible with a pipe cutter Fig 1 2 2 Remove all burr
24. s from the cut section of the pipe ensuring that precautions are taken to avoid getting metal shavings into the piping Fig 3 3 Remove flare nuts attached to indoor and outdoor units then put them on pipe 4 Flaring work Fig 4 5 Firmly hold copper pipe in the dimension shown in the table Select A mm from the table according to the tool you use 5 Check Compare the flared work with Fig 6 e If flare is defective cut off the section and repeat procedure A inch mm Tightening torque Pipe diameter Nut F p h inch Clutch Clutch Wing nut ftelb inch mm mm type tool type tool type tool Nem eahert for R410A for R22 for R22 g 1 4 10 to 13 1 4 6 35 17 ae 13 7 to 17 7 140 to 180 3 8 1 5 to 25 to 30 3 8 9 52 22 aren sti 2 0 34 3 to 41 2 350 to 420 2 000 5 1 0 to aes 6 1 2 12 7 26 1 5 eg 49 0 to 56 4 500 to 575 5 8 2 0 to 54 to 58 5 8 15 88 29 2 5 73 5 to 78 4 750 to 800 connecting wire A Power supply cord K Conduit cover Clutch type Smooth all around Even length all around Copper Good 4 No good HBB o Tilted Uneven Burred Copper pipe Spare reamer Wing nut type Inside is shin ing without any scratches Pipe cutter Die Z Flare nut fil Copper pipe Fig 5 3 3 PIPE CONNECTION Fasten flare nut with a torque wrench as specified in the table refer to 3 2
25. water H Install the unit securely in a place that can bear the weight of the unit If the installation location cannot bear the weight of the unit the unit could fall causing injury E Perform electrical work according to the installation manual and be sure to use an exclusive circuit Do not connect other electrical appliances to the circuit If the capacity of the power circuit is insufficient or there is incomplete electrical work it could result in a fire or an electric shock E Ground the unit correctly Do not connect the ground wire to a gas pipe water pipe lightning rod or tel ephone ground Defective grounding could cause electric shock E Do not damage the wires Damaged wires could cause fire E Be sure to shut off the main power when setting up the indoor P C board or wiring Failure to do so could cause electric shock E Use the specified wires to securely connect the indoor and outdoor units At tach the wires firmly to avoid applying stress to the terminal block Improper connection could cause fire E Do not install the unit in a place where flammable gas may leak If gas leaks and accumulates around the unit it could cause an explosion E Do not use intermediate connection of the power cord or the extension cord Do not connect many devices to one AC outlet It could cause a fire or an electric shock E Use the parts provided or specified parts for the installation work The use of defective parts could cause

Mitsubishi Electronics MSZ-FD09/12NA User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents