INSTALLATION MANUAL
Contents
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5. Brazing without carrying out nitrogen replacement or releasing nitrogen into the piping will create large quantities of oxidised film on the inside of the pipes adversely affecting valves and compressors in the refrigerating system and preventing normal operation When brazing pipes however do not use oxidation preventers Residue of such preventers may result in choking of pipes or malfunction of components When brazing while inserting nitrogen into the piping nitrogen must be set to 0 02 MPa with a pressure reducing valve just enough so that it can be felt on the skin 1 2 4 5 O lt 16 Refrigerant piping Part to be brazed Taping Hands valve Pressure reducing valve Nitrogen Evacuating Set Do not purge the air with refrigerants Use a vacuum pump to vacuum the installation No additional refrigerant is provided for air purging Pipes inside the units were checked for leaks by the manufacturer The refrigerant pipes fit on site are to be checked for leaks by the installer Confirm that the valves are firmly closed before leak test or vacuuming up for vacuuming and leak test see figure 5 Pressure gauge Nitrogen Refrigerant Weighing machine Vacuum pump o 0 Stop valve Procedure for leak test Leak test must satisfy EN378 2 1 Evacuate the pipes and check vacuum No pressure increase for 1 minute Break the vacuum with a minimum of 2 b
6. Failure to use the specified parts may result in water leakage electric shocks fire or the unit falling Install the air conditioner on a foundation that can withstand its weight Insufficient strength may result in the fall of equipment and causing injury Carry out the specified installation work in consideration of strong winds typhoons or earthquakes Improper installation work may result in accidents due to fall of equipment Make certain that all electrical work is carried out by qualified personnel according to the local laws and regulations and this installation manual using a separate circuit Insufficient capacity of the power supply circuit or improper electrical construction may lead to electric shocks or fire Make sure that all wiring is secure using the specified wires and ensuring that external forces do not act on the terminal connections or wires Incomplete connection or fixing may cause fire When wiring between the indoor and outdoor units and wiring the power supply form the wires so that the frontside panel can be securely fastened If the frontside panel is not in place overheat of the terminals electric shocks or fire may be caused If refrigerant gas leaks during installation work ventilate the area immediately Toxic gas may be produced if refrigerant gas comes into contact with fire After completing the installation work check to make sure that there is no leakage of refrigerant gas
7. Installation manual Contents Page Safety arcoiris airada arrojada 1 Eur DADOS dU REA REDI A E TAE IRUCM OA AA 2 Selecting Installation e 3 PRECAUTIONS 4 servicing SPAS sais 4 Refrigerant pipe size and allowable pipe 5 Precautions on refrigerant piping Remgetant PDN saunas Site UMN ca A EE E A E A E TA 8 Charging 9 Wining AA A LH 10 Test operation Disposal requirements 13 Wing SLE DE E OL 14 1 READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EGUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EGUIPMENT AND HAVE THEM INSTALLED BY A PROFESSIONAL IF UNSURE OF INSTALLATION PROCEDURES OR USE ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE AND INFORMATION The English text is the original instruction Other languages are translations of the original instructions Safety considerations The precautions listed here are divided into the following two types Both cover
8. Toxic gas may be produced if refrigerant gas leaks into the room and comes into contact with a source of fire such as a fan heater stove or cooker Before touching electric terminal parts turn off the power switch Never leave the unit unattended during installation or servicing when the service panel is removed live parts can be easily touched by accident When planning to relocate former installed units you must first recover the refrigerant after the pumping down operation Refer to chapter Precaution for pumping down operation on page 10 Never directly touch any accidental leaking refrigerant This could result in severe wounds caused by frostbite Installation manual DAIKIN Caution Ground the air conditioner Grounding resistance should be according to national regulations Do not connect the earth wire to gas or water pipes lightning conductor or telephone earth wire Incomplete grounding may cause electric shocks Gas pipe Ignition or explosion may occur if the gas leaks WB Water pipe Hard vinyl tubes are not effective grounds W Lightning conductor or telephone ground wire Electric potential may rise abnormally if struck by lightning Wi Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may cause electric shocks and fire m Install drain piping according to this installation manual to ensure good drainage and insulate the pipe to prevent condens
9. Never short circuit the low pressure switch low pressure sensor during pump down operation Take the following steps to perform the pumping down operation B Preliminary measures Make sure to cut off power supply Open the front panel and cover the PCB and terminal board with insulation sheet to avoid electric shock by accidental touching of live parts Close the front panel before leaving the outdoor unit You cannot leave the unit unattended in case the front panel remains open Turn on the power supply and carry out pumping down operation Electrical wiring work according to the following procedure Pump down operation Procedure Precaution All field wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations All components procured on the site and all electric construction should comply with the applicable local and national codes W High voltage To avoid electrical shock make sure to disconnect the power supply 1 minute or more before servicing the electrical parts Even after 1 minute always measure the voltage at the terminals of main circuit capacitors or electrical parts and before touching make sure that those voltages are 50 V DC or less To persons in charge of electrical wiring work Do not operate the unit until the refrigerant piping is complete Running it before the piping is
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11. 100 7 kPa 5 Torr 755 mm Hg W During tests never pressurize the appliances with a pressure higher than the maximum allowable pressure see unit name plate PS Wi n order to prevent dirt liquid or dust from entering the piping cure the piping with a pinch or taping Place Installation period Protection method More than a month Pinch the pipe Outdoor unit Less than a month Regardless of the Pinch or tape the pipe Indoor unit A period Great caution is needed when passing copper tubes through walls Refrigerant piping Field pipes can be installed in four directions MW Cutting out the two slits makes it possible to install as shown in the figure Field pipes in four directions Use a metal saw to cut out the slits To install the connecting pipe to the unit in a downward direction make a knockout hole by penetrating the centre area around the knockout hole using a 26 mm drill See figure Field pipes in four directions Wi After knocking out the knock out it is recommended to apply repair paint to the edge and the surrounding end surfaces to prevent rusting Preventing foreign objects from entering Plug the pipe through holes with putty or insulating material procured locally to stop up all gaps as shown in the figure 11 1 1 Putty or insulating material produced locally Insects or small animals entering the outdoor unit may cause a short circuit in the elec
12. ready will break the compressor Precautions on electrical wiring work Before obtaining access to terminal devices all supply circuits must be interrupted Use only copper wires The wiring between the indoor unit and outdoor unit must be for 220 240 V A main switch or other means for disconnection having a contact separation in all poles must be incorporated in the fixed wiring in accordance with relevant local and national legislation Do not turn on the main switch until all the wiring is completed For W1 Make sure to connect power supply cables in normal phase If connected in reverse phase the remote controller of the indoor unit indicates 27 and the equipment cannot operate Change any two of the three power supply cables L1 L2 L3 to correct phase If the contact in the magnetic switch should be forcibly turned on while the equipment is inoperative the compressor will burn out Never try to forcibly turn on the contact Never squeeze bundled cables into a unit Fix cables so that cables do not make contact with the pipes especially on high pressure side Secure the electrical wiring with clamping material as shown in the figure below so that it does not come in contact with the piping particularly on the high pressure side Make sure no external pressure is applied to the terminal connectors When installing the earth leakage breaker make sure that it is compatible with the inverter resistant to hig
13. represent the dimensions for the 71 class model and 100 125 140 class models Figures between indicate the dimensions for the 100 125 140 class models Unit mm Refer to Precautions on installation on page 4 Precaution A In case of non stacked installation See figure 1 Suction side obstacle Obstacle is present 1 In these cases close the bottom of the installation frame to prevent the discharged air from being bypassed Discharge side obstacle Left side obstacle 2 In these cases only 2 Right side obstacle units can be installed This situation is not Top side obstacle allowed Ray WR B In case of stacked installation 1 In case obstacles exist in front of the outlet side 2 Do not stack more than one unit About 100 mm is required as the dimension for laying the upper outdoor unit s drain pipe Get the portion A sealed so that air from the outlet does not bypass DAIKIN Installation manual C In case of multiple row installation for roof top use etc Selection of piping material 1 Incase ofinstalling ane Mall vel Sew m Piping and other pressure containing parts shall comply with the national and international codes and shall be suitable for refrigerant use phosphoric acid deoxidised seamless copper for refrigerant Temper grade use piping with temper grade in function of the pipe diameter as listed in table below The pipe thickness of the refrigerant p
14. stop E Use hexagonal wrenches 4 mm and 6 mm Opening the valve 1 Place the hex wrench on the valve bar and turn counter clockwise 2 Stop when the valve bar no longer turns It is now open m Closing the valve Be sure to insulate the liquid and gas side field piping and the refrigerant branch kit Any exposed piping may cause condensation or burns iftouched The highest temperature that the gas side piping can reach is around 120 C so be sure to use insulating material which is very resistant 5 1 Place the hex wrench on the valve bar and turn clockwise JH 2 Stop when the valve bar no longer turns It is now closed 6 QUT 1 2 SB MI j lee COR Closing direction 3 la N 1 Compressor 2 0 2 A Liquid side M 4 2 Terminal cover gt B Gas side 3 Indoor and outdoor field piping AL 4 Corking etc Cautions for handling the valve cover J a 3 5 5 Insulation material Wi The valve cover is sealed where indicated by the arrow YES 6 Bolts Refer to the figure l o Hay 6 Becareful with pipe Take care not to damage it AM bolt and outer panel T Ft A connections N Cautions for flare connection After operating the valve be sure to tighten the cover properly Liquid pipe 13 5
15. the cap and turn counterclockwise with a hex wrench until it stops 3 Be sure to close the frontside panel before operation as not doing so can cause electric shock 4 Be sure to set the unit to cooling operation mode 5 Press the inspection test operation button of the remote controller 4 times 2 times in case of a wireless remote controller to go into the test run mode 6 Press the ON OFF button within 10 seconds to start the test run and check the operation status for about 6 minutes The refrigerant pressure may not rise immediately even if the stop valve is opened after an air purge is performed using a vacuum pump This is because the indoor unit refrigerant piping is closed off with electric valves inside This will not create any problems during operation 7 Push the air flow direction adjust button and check if the unit is responding to the new air flow direction position 8 Press the inspection test operation button of the remote controller 2 times to go into check mode and to make sure that the malfunction code displays ZZ normal In case the malfunction code does not display ZZ refer to Failure diagnosis at the moment of first installation on page 13 9 Ifthe inspection test operation button is pressed 4 times during a test run the unit returns to normal operation 10 Check all functions according to the operation manual DAIKIN Installation manual Precautions regarding t
16. the wires Follow the electric wiring diagram for electrical wiring works Form the wires and fix the cover firmly so that the cover may be fit in properly Precautions on wiring of power supply and inter unit wiring Use a round crimp style terminal for connection to the power supply terminal board In case it cannot be used due to unavoidable reasons be sure to observe the following instruction 1 Round pressure terminal 2 Cut out section SP 3 Cup washer 1 23 Do not connect wires of different gauge to the same power supply terminal Looseness in the connection may cause overheating When connecting wires of the same gauge connect them according to the figure below _ Olo 1e eem x X Use the correct screwdriver to tighten the terminal screws Small screwdrivers can damage the screw head and prevent appropriate tightening Over tightening the terminal screws can damage the screws See the table below for tightening torques for the terminal Screws Tightening torque Nem 1 2 1 8 1 2 1 4 2 0 3 0 2 4 2 9 X1M M4 EARTH 5 X1M M5 EARTH Refer to the installation manual attached to the indoor unit for wiring of indoor units etc Attach an earth leakage breaker and fuse to the power supply line See figure 6 1 Earth leakage breaker 2 Fuse 3 Remote controller In wiring make certain that prescribed wires are used carry out complete connections and
17. very important topics so be sure to follow them carefully A WARNING If the warning is not observed it may cause serious casualties CAUTION If the caution is not observed it may cause injury or damage to the equipment Warning W equipment is not intended for use in a potentially explosive atmosphere Wi For use of air conditioning units in applications with temperature alarm settings it is advised to foresee a delay of 10 minutes for signalling the alarm in case the alarm temperature is exceeded The air conditioning unit may stop for several minutes during normal operation for defrosting of the indoor unit or when in thermostat stop operation m Ask your dealer or qualified personnel to carry out installation work Do not install the machine by yourself Improper installation may result in water leakage electric shocks or fire Perform installation work in accordance with this installation manual Improper installation may lead to water leakage electric shocks or fire Consult your local dealer regarding what to do in case of refrigerant leakage When the air conditioner is to be installed in a small room it is necessary to take proper measures so that the amount of any leaked refrigerant does not exceed the concentration limit in the event of a leakage Otherwise this may lead to an accident due to oxygen depletion Be sure to use only the specified accessories and parts for installation work
18. 16 5 Nem Gas pipe 22 5 27 5 Nem m Check for refrigerant leakage after tightening the cap Cautions for handling service port W Always use a flexible charge hose with a push rod and valve to enable recovery of remaining refrigerant in the charge hose m After the work tighten the valve cover in place Tightening torque 11 5 13 9 Precautions when connecting field piping and regarding insulation m Be careful not to let the indoor and outdoor branch piping come into contact with the compressor terminal cover a If the liquid side piping insulation might come into contact with it adjust the height as shown in the figure below Also make sure the field piping does not touch the bolts or outer panels of the compressor m When the outdoor unit is installed above the indoor unit the following can occur The condensated water on the stop valve can move to the indoor unit To avoid this please cover the stop valve with Please refer to the table for the dimensions for processing flares and for the tightening torques Too much tightening will end up in splitting of the flare A dimensions for Piping Flare nut processing flares size tightening torgue mm Flare shape 06 4 15 17 8 7 9 1 09 5 33 39 12 8 13 2 512 7 50 60 Nem 16 2 16 6 515 9 63 75 Nem 19 3 19 7 If a torgue wrench is not available be aware that the tightening torgue may increase suddenly Do not tigh
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22. Never operate the unit with a damaged or disconnected discharge thermistor and suction thermistor burning of the compressor may result sure to confirm the model name and the serial no of the outer front plates when attaching detaching the plates to avoid mistakes W When closing the service panels take care that the tightening torque does not exceed 4 1 Accessories Check if the following accessories are included with the unit Installation manual 1 Clamp 2 Fluorinated greenhouse gases label FA 00 Multilingual fluorinated greenhouse gases label DAIKIN Installation manual See the figure below for the location of the accessories 2 1 Accessories Handling As shown in the figure bring the unit slowly by grabbing the left and right grips Place your hands on the corner instead of holding the suction inlet in the side of the casing otherwise the casing could be deformed Take care not to let hands or objects come in contact with rear fins Selecting installation site A Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause malfunctions smoke or fire Please instruct the customer to keep the area around the unit clean 1 Select an installatio
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24. ar of nitrogen Never pressurize more than 4 0 MPa Conduct leak test by applying soap water etc to the connecting part of the pipes Discharge nitrogen Evacuate and check vacuum again If the vacuum gauge no longer rises the stop valves can be opened The following should be executed if there is a possibility of moisture remaining in the pipe if piping work is carried out during the raining season or over a long period of time rainwater may enter the pipe during work After evacuating the system for 2 hours pressurize the system to 0 05 MPa vacuum break with nitrogen gas and evacuate the system again using the vacuum pump for 1phour to 100 7 kPa vacuum drying If the system cannot be evacuated to 100 7 kPa within 2 hours repeat the operation of vacuum break and vacuum drying Then after leaving the system in vacuum for 1 hour confirm that the vacuum gauge does not rise After air purging with a vacuum pump it may happen that the refrigerant pressure does not rise not even if the stop valve is opened Reason for this phenomenon is the closed state of for instance the expansion valve in the outdoor unit circuit but this is not a problem for running the unit 1 Use a 2 stage vacuum pump with a non return valve which can evacuate to 100 7 kPa 5 Torr 755 mm Hg Evacuate the system from the liguid and gas pipes by using a vacuum pump for more than 2 hours and bring the system to 100 7 kPa After k
25. ation Improper drain piping may cause water leakage and make the furniture get wet Wi install the indoor and outdoor units power wire and connecting wire at least 1 meter away from televisions or radios to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be sufficient to eliminate the noise Do notrinse the outdoor unit This may cause electric shocks or fire Do not install the air conditioner in places such as the following W Where there is mist of mineral oil oil spray or vapour for example a kitchen Plastic parts may deteriorate causing them to fall out or water to leak m Where corrosive gas such as sulphurous acid gas is produced Corrosion of copper pipes or soldered parts may cause the refrigerant to leak m Where there is machinery which emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malfunction of the equipment m Where flammable gases may leak where carbon fiber or ignitable dust is suspended in the air or where volatile flammables such as thinner or gasoline are handled Such gases may cause fire W Where the air contains high levels of salt such as that near the ocean E Where voltage fluctuates a lot such as that in factories M In vehicles or vessels W Where acidic or alkaline vapour is present Provide a logbook In accordance with the relevant national and international codes it may
26. be necessary to provide a logbook with the equipment containing at least info on maintenance repair work results of tests stand by periodes etc In Europe EN378 provides the necessary guidance for this logbook Before installation Since maximum working pressure is 4 0 MPa 40 bar pipes of larger wall thickness may be required Refer to paragraph Selection of piping material on page 5 Precautions for R410A The refrigerant requires strict cautions for keeping the system clean dry and tight Clean and dry Foreign materials including mineral oils or moisture should be prevented from getting mixed into the system Tight Read Precautions on refrigerant piping on page 6 carefully and follow these procedures correctly HM Since R410A is a mixed refrigerant the required additional refrigerant must be charged in its liquid state If the refrigerant is in a state of gas its composition changes and the system will not work properly The connected indoor units must be indoor units designed exclusively for R410A Installation For installation of the indoor unit s refer to the indoor unit installation manual Wi lllustrations show class 125 outdoor unit type Other types also follow this installation manual Wi This outdoor unit requires the pipe branching kit optional when used as the outdoor unit for the simultaneous operation system Refer to catalogues for details
27. between power supply and outdoor unit between outdoor unit and indoor units between indoor unit and remote controller W The fuse on the outdoor unit PCB may have run out If the remote controller shows 3 4 or 16 as an error code there is a possibility that either the stop valves are closed or that air inlet or air outlet are blocked If the error code ZZ is displayed on the remote controller check for voltage imbalance If the error code 4 4 UF is displayed on the remote controller check the inter unit branch wiring connection If the error code Z is displayed on the remote controller it is possible that air inlet or air outlet are blocked The reversed phase protection detector of this product only works during the initialisation stage after a power reset The reversed phase protection detector is designed to stop the product in case of an abnormality when the product is started up W When the reversed phase protection circuit forces the unit to stop check if all phases exist If this is the case shut off the power supply to the unit and replace two of three phases Turn on power again and start the unit W Reversed phase detection is not performed while the product is operating In case of possible reversal of phases after a momentary black out of power and the power goes on and off while the product is operating install a reversed phase protection circuit on site Such situation is not uni
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29. ed Wi 5 the wiring between units connected in series correct m Are any of the wiring attachment screws loose Wi 5 the insulation resistance at least 1 MO Use a 500 V mega tester when measuring insulation Do not use a mega tester for low voltage circuits Refrigerant piping Is the size of the piping appropriate Is the insulation material for the piping attached securely Are both the liquid and gas pipes insulated m Are the stop valves for both the liquid side and the gas side open Extra refrigerant Did you write down the extra refrigerant and the refrigerant piping length 1 European International Technical Standard sets the limits for harmonic currents produced by equipment connected to public low voltage systems with input current gt 16 A and lt 75 A per phase Wi Be sure to perform a test run Wi Be sure to fully open the liquid side and gas side stop valves If you operate the unit with stop valves closed the compressor will break down Wi Be sure to execute the first test run of the installation in cooling mode operation Wi Never leave the unit unattended with an open front panel during test run Test run 1 Be sure to turn power on at least 6 hours before starting operation in order to protect the compressor 2 Make sure the liquid and gas stop valves are open Hey A Liquid sid Kn OJE iguid side B Gas side eo a Opening direction Remove
30. eeping the system under that condition for more than one hour check if the vacuum gauge rises or not If it rises the system may either contain moisture inside or have leaks DAIKIN Installation manual Charging refrigerant Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP value 1975 1 GWP global warming potential Please fill in with indelible ink the factory refrigerant charge of the product W the additional refrigerant amount charged in the field and 0 0 the total refrigerant charge on the fluorinated greenhouse gases label supplied with the product The filled out label must be adhered on the inside of the product and in the proximity of the product charging port e g on the inside of the service cover Contains fluorinated greenhouse gases covered by the Kyoto Protocol Lg 1 fa ctory refrigera ntch arge of the product see unit name plate ROA 0 kg 2 additional refrigerant kg amount charged in the Q 2 o E field ir os k 5 total refrigerant charge 4 Contains fluorinated greenhouse gases covered by the Kyoto Protocol outdoor unit refrigerant cylinder and manifold for charging NOTE National implementation of EU regulation on certain fluorinated greenhouse
31. est runs 1 In order to detect stop valves failing to open operation of the unit is compulsorily performed in cooling for 2 3 minutes during the first test run even if the remote controller was set to heating operation In this case the remote controller will have kept displaying the heating symbol all the time and the unit will switch to heating operation automatically after elapse of that time In case you cannot operate the unit in test run mode for any unusual reason refer to Failure diagnosis at the moment of first installation on page 13 In case you cannot operate the unit in test run mode the unit usually returns to its normal state after 30 minutes In case of a wireless remote controller execute the test run only after having installed the indoor unit decoration panel with infra red receiver first In case the panels of indoor units are not yet installed to the indoor units make sure to shut off the power supply after finishing the complete test run A complete test run surely includes shutting off power after having performed a normal operation stop on the remote controller Do not stop operation by turning circuit breakers off Failure diagnosis at the moment of first installation In case nothing is displayed on the remote controller the current set temperature does not display check for any of the following abnormalities before you can diagnose possible malfunction codes W Disconnection or wiring error
32. fix the wires so that outside forces are not applied to the terminals Installation manual DAIKIN Specifications of standard wiring components 71V1 100V1 125V1 140V1 Minimum circuit amps MCA 9 18 9 27 6 28 8 Recommended field fuse A 20 32 Wire type HO5VV U3G Wiring size must comply with the applicable Size gt ocal and national code Wire type of wiring between the units H05VV U4G2 5 a Stated values are maximum values see electrical data of combination with indoor units for exact values b Only in protected pipes use HO7RN F when protected pipes are not used NOTE The earth leakage breaker must be a high speed type 2 breaker of 30 mA lt 0 1 s Equipment complying with 61000 3 12 Test operation 1 WARNING Live parts can be easily touched by accident Never leave the unit unattended during installation or servicing when the service panel is removed NOTE Note that during the first running period of the unit 17 reguired power input may be higher This phenomenon originates from the compressor that requires a 50 hour run in period before reaching smooth operation and stable power consumption Pre run checks Electrical wiring m 5 the wiring as mentioned on the wiring Inter unit wiring diagram Ground wire Make sure no wiring has been forgotten and that there are no missing phases or reverse phases 5 the unit properly ground
33. gases may require to provide the appropriate official national language on the unit Therefore an additional multilingual fluorinated greenhouse gases label is supplied with the unit Sticking instructions are illustrated on the backside of that label Precaution for servicing When performing service on the unit requiring the refrigerant system to be opened refrigerant must be evacuated according to local regulations This unit requires additional charging of refrigerant according to the length of pipe connected at the site Charge the refrigerant to the liquid pipe in its liquid state through the service port of the liquid stop valve Since R410A is a mixed refrigerant its composition changes if charged in a state of gas and normal system operation would no longer be assured On this model it is not necessary to charge additionally if the piping length lt 30 m lt 5 m See Total charging weight of the refrigerant after a leak etc on page 9 NOTE For details regarding your combination of outdoor and sf indoor unit refer to the technical databook Additional charging of refrigerant MW The additional charging amounts relate to the refrigerant piping length as in Maximum total one way piping length of the table in paragraph Allowable pipe length and height difference on page 5 W Over 30m please add refrigerant quantity according to following table For future servicing mark with a circle the se
34. h frequency electrical noise to avoid unnecessary opening of the earth leakage breaker As this unit is equipped with an inverter installing a phase advancing capacitor not only will deteriorate power factor improvement effect but also may cause capacitor abnormal heating accident due to high frequency waves Therefore never install a phase advancing capacitor 1 Make sure that stop valves both on liguid and on gas side are open 2 Push the BS4 pumping down Compressor and outdoor fan operation button on the PC will start operation board of the outdoor unit automatically 8 seconds The indoor unit fan may automatically start running Please pay attention to this 3 Close the stop valve on the Never leave the outdoor unit a liquid side securely about 2 unattended with opened front minutes after the compressor panel when power supply is started operation See How on to use the stop valve on In case the stop valve on the E page 7 liquid side is not securely 4 lo closed during compressor Min di s ud a operation pumping down pob rak operation cannot be executed close the stop valve on the gas side securely See How a to use the stop valve on page 7 5 Turn off the power supply a If after finishing pumping down operation the outdoor unit does not operate not even when the remote controller switch is turned on the remote controller may or may not indicate 4 But this is not a malfu
35. ion ground so that the unit will not cause any operating vibration or noise after installation In accordance with the foundation drawing the figure fix the unit securely by means of the foundation bolts Prepare four sets of M12 foundation bolts nuts and washers each which are available on the market Wi It is best to screw the foundation bolts until their length is 20 mm from the foundation surface A 140 D e20 140 E AE B O 8 g 10 Sa A N e o 614 A Discharge side B Bottom view mm C Drain hole Installation method for prevention of falling over If it is necessary to prevent the unit from falling over install as shown in the figure Wi prepare all 4 wires as indicated in the drawing unscrev the top plate at the 4 locations indicated and B Wi put the screws through the nooses and screw them back tight A location of the 2 fixation holes on the front side of the unit B location of the 2 fixation holes on the rear side of the unit C wires field supply Drain pipe disposal m f drain pipe disposal from the outdoor unit causes trouble for example if the drain water may splash on people provide the drain piping using a drain socket optional Make sure the drain works properly Installation servicing space The numerical figures used in here
36. iping should comply with relevant local and national regulations The minimal pipe thickness for R410A piping must be in accordance with the table below 1000 2 In case of installing multiple units 2 units or more in lateral Temper grade connection per row of piping material Minimal thickness t mm 6 4 9 5 12 7 0 80 15 9 1 00 19 1 1 2H O Annealed 1 2H Half hard Only use annealed material for flare connections Allowable pipe length and height difference See the table below concerning lengths and heights Refer to 1500 figure 2 Relation of dimensions of H A and L are shown in the table below Allowable pipe length Model L A 71 100 125 140 m O lt L lt 1 2H 150 250 a b 5 c T ms El 1 2H lt L 200 300 Maximum total one way piping length H lt L Installation impossible L1 50 m 70 m 75 m 95 m Maximum height between indoor and outdoor H1 30m Refrigerant pipe size and allowable pipe Chargeless length length L1 lt 30 m a Parenthesized figure represents the eguivalent length b For details regarding your combination of outdoor and indoor unit refer to the A Installation shall be done by a licensed refrigeration technical databook technician the choice of materials and installation shall comply with the applicable national and international codes In Europe EN378 is the applicable standard that shall be used person
37. lected amount on the tables below Table 1 Additional charging of refrigerant unit kg Standard liquid pipe size Connected piping length is between 30 40 m 40 50 m 50 60 m AZQS71 0 5 1 0 AZQS100 140 1 5 2 0 60 75 m Aa In case of complete recharge of the refrigerant please first execute vacuuming Execute this vacuuming from the service port Do not use the port of the stop valve for vacuuming Vacuuming can not be executed completely using such port Position of service port Outdoor units have 1 port on the piping It is between the heat exchanger and the 4 way valve Total charging weight of the refrigerant after a leak etc The total charging amounts relate to the refrigerant piping length as in Maximum total one way piping length of the table in paragraph Allowable pipe length and height difference on page 5 Table 2 Total charging amount lt unit kg gt Refrigerant piping length AZQS71_V1 1 75 1 75 2 25 2 75 3 25 3 75 AZQS100 140_V1 2 95 2 95 3 45 3 95 4 45 4 95 5 45 5 95 a When piping length is less than 5 m a complete recharging of the unit is reguired Charge the unit with the refrigerant charge as indicated Installation manual DAIKIN Precaution for pumping down operation The outdoor unit is equipped with a low pressure switch or a low pressure sensor to protect the compressor 8
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39. maginable when using generators Running the product in reversed phase can break the compressor and other parts For a missing phase in case of W1 units 7 or LE will be displayed on the remote controller of the indoor unit Operation will be impossible with either one of these phenomena If this happens turn off the power re check the wiring and switch the position of two of the three electrical wires If operation is not possible do not under any circumstances force the electromagnetic contactor on Disposal requirements Dismantling of the unit treatment of the refrigerant of oil and of other parts must be done in accordance with relevant local and national legislation Installation manual 13 DAIKIN Wiring diagram Wire clamp Terminal Eg Connector a Relay connector CME E Field wiring AT1P AMP Printed circuit board 851 854 Push button switch CISCA Capacitor DO viii DIP switch Elisa Crankcase heater F1U F6U Fuse HAP ATP Service monitor green HAP 2 Service monitor green H1P Service monitor red H1P H7P A2P Service monitor orange Magnetic contactor for W1 models only Magnetic relay Y1S Magnetic relay for W1 models only Magnetic relay E1HC for W1 models only Magnetic relay E1HC for V1 models only Magnetic relay for W1 models
40. n site where the following conditions are 3 satisfied and that meets with your customer s approval Places which are well ventilated Places where the unit does not bother next door neighbours 4 Safe places which can withstand the unit s weight and vibration and where the unit can be installed level Places where there is no possibility of flammable gas or product leak The appliance shall not be placed nor used in a potentially explosive atmosphere Places where servicing space can be well ensured 6 Places where the indoor and outdoor units piping and wiring lengths come within the allowable ranges Places where water leaking from the unit cannot cause damage to the location e g in case of a blocked drain pipe Places where the rain can be avoided as much as possible When installing the unit in a place exposed to strong wind pay special attention to the following Strong winds of 5 m sec or more blowing against the outdoor unit s air outlet causes short circuit suction of discharge air and this may have the following consequences Deterioration of the operational capacity Frequent frost acceleration in heating operation Disruption of operation due to rise of high pressure When a strong wind blows continuously on the face of the unit the fan can start rotating very fast until it breaks Refer to the figures for installation of this unit in a place where the wind direction can be fo
41. nction After finishing the pumping down operation make sure to have removed the insulation sheet that was placed in the switch box as a protective measure as in chapter Preliminary measures page 10 L When in need of operation turn off the main power supply and turn it on again Make sure that stop valves both on liquid and gas side are open and be sure to operate the a unit in cooling operation during test run L L DAIKIN Installation manual Secure the wiring in the order shown below 1 Secure the ground wire to the stop valve attachment plate so that it does not slide Secure the ground wire to the stop valve attachment plate one more time along with the electric wiring and the inter unit wiring Lay the electrical wiring so that the front cover does not rise up when doing wiring work and attach the front cover securely Switch box Stop valve mounting plate Ground 1 2 3 4 Tie wrap 5 Wiring between units 6 Power supply and ground wiring 1 Power supply wiring and earth wire 2 Wiring between units When cables are routed from the unit a protection sleeve for the conduits PG insertions can be inserted at the knock out hole See figure 4 Wire Bush Nut Frame Hose Inside Outside U pak WD When you do not use a wire conduit be sure to protect the wires with vinyl tubes to prevent the edge of the knock out hole from cutting
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43. only Magnetic relay BLK Black GRN Green BRN Brown BLU Blue ORG Orange RED Red WHT White YLW Yellow Refer to the service manual connecting wiring to X6A The position of the selector switches DS1 indicate the factory setting For details refer to the service manual RIT usd Thermistor discharge pipe for W1 models only DS eer Thermistor suction pipe for V1 models only RAT uus em Thermistor suction pipe for W1 models only RAT aee Thermistor coil for V1 models only ROD Thermistor power module W1 models only ROT isao Thermistor coil middle for V1 models only Thermistor liquid R10T cess Thermistor fin Signal receiver circuit Pressure sensor low Pressure sensor high Pressure switch high Pressure switch low Signal transmission circuit Power module Diode module Insulated gate bipolar transistor Reactor Terminal strip Motor compressor ADA ni in a Connector option Motor fan h l cece Expansion valve r Power circuit h j e 4 way valve CDI Earth leakage breaker field supply eds Solenoid valve 0 AAA Resistor Z1C Z5C Noise filter ER es Thermistor air ZAF ZAF Noise filter Thermistor coil for W1 models only Thermistor discharge for V1 models only DAIKIN Installation manual DAIKIN INDUSTRIES CZEC
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45. reseen Turn the air outlet side toward the building s wall fence or screen A Make sure there is enough room to do the installation Set the outlet side at a right angle to the direction of the wind Strong wind gt S Blown air pe S Strong wind Prepare a water drainage channel around the foundation to drain waste water from around the unit If the water drainage of the unit is not easy please build up the unit on a foundation of concrete blocks etc the height of the foundation should be maximum 150 mm If you install the unit on a frame please install a waterproof plate within 150 mm of the underside of the unit in order to prevent the invasion of water from the lower direction When installing the unit in a place frequently exposed to snow pay special attention to the following Elevate the foundation as high as possible Remove the rear suction grille to prevent snow from accumulating on the rear fins 7 Ifyou install the unit on a building frame A This is a class A product In a domestic environment please install a waterproof plate within this product may cause radio interference in which 150 mm of the underside of the unit or case the user may be required to take adequate use a drain plug kit option in order to measures avoid the drainwater dripping See figure 40 DAIKIN Installation manual Precautions on installation W Check the strength and level of the installat
46. s in charge of piping work WB sure to open the stop valve after piping installing and vacuming is complete Running the system with the valve closed may break the compressor lt is forbidden to discharge refrigerant into the atmosphere Collect the refrigerant in accordance with the freon collection and destruction law Do not use flux when brazing the refrigerant piping For brazing use phosphor copper brazing filler metal BCuP which does not require a flux If a chlorine flux is used the piping will corrode and if the flux contains fluoride it will cause the coolant oil to deteriorate adversely affecting the coolant piping system DAIKIN Installation manual 5 Precautions on refrigerant piping Do not allow anything other than the designated refrigerant to get mixed into the freezing cycle such as air etc If any refrigerant gas leaks while working on the unit ventilate the room thoroughly right away W Use R410A only when adding refrigerant Installation tools Make sure to use installation tools gauge manifold charge hose etc that are exclusively used for R410A installations to withstand the pressure and to prevent foreign materials e g mineral oils and moisture from mixing into the system Vacuum pump Use a 2 stage vacuum pump with a non return valve Make sure the pump oil does not flow oppositely into the system while the pump is not working Use a vacuum pump which can evacuate to
47. ten nuts any further than to the angle as listed Recommended arm Piping size Further tightening angle length of tool 06 4 150 mm 60 90 09 5 200 mm 0127 250 30 60 015 9 300 mm When connecting the flare nut coat the flare inner surface with ether oil or ester oil and initially tighten 3 or 4 turns by hand before tightening firmly sealing material m After completing the installation carry out a gas leak inspection of the piping connections with nitrogen and such m Ifthe temperature is higher than 30 C and the humidity is higher than RH 80 then the thickness of the sealing materials should be at least 20 mm in order to avoid condensation on the surface of the sealing DAIKIN Installation manual 7 Cautions for necessity of a trap Since there is fear of the oil held inside the riser piping flowing back into the compressor when stopped and causing liquid compression phenomenon or cases of deterioration of oil return it will be necessary to provide a trap at an appropriate place in the riser gas piping Trap installation spacing See figure 3 A Outdoor unit B Indoor unit C Gas piping D Liguid piping E Oiltrap Install trap at each difference in height of 10 m A trap is not necessary when the outdoor unit is installed in a higher position than the indoor unit Cautions for brazing a U N Be sure to out a nitrogen blow when brazing
48. trical box Cautions for handling stop valve Wi The stop valves for indoor outdoor connecting piping are closed at shipment from the factory Make sure to keep the valve open during operation The names of parts of the stop valve are shown in the figure Service port Stop valve Field piping connection A O N Valve cover Since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare nuts always lock the stop valve with a wrench and then use a torque wrench Do not place wrenches on the valve cover B 1 c 2 Figure Field pipes in four directions 1 Spanner 1 Drill 2 Torque wrench 2 Centre area around knockout hole Applying an excessive torque may distort the interior stop valve 3 Knockout hole surface causing gas to leak inside the valve and causing the 4 Slit flare nut to crack eventually 5 Connecting pipe Do not apply force on the valve cover this may result in a 6 Bottom frame refrigerant leak 7 Front plate For cooling operation under low ambient temperature or any 8 Pipe outlet plate other operation under low pressure apply silicon pad or similar to prevent freezing of the gas stop valve flare nut see figure 9 Screw front plate Freezing of the flare nut may cause refrigerant leak 10 Pipe outlet plate screw A Forward B Backward c Sideways Silicon sealing pad D Downward Make sure there is no gap DAIKIN Installation manual How to use the
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