INSTALLATION MANUAL
Contents
1. mM When the outdoor unit is installed above the indoor unit the following can occur Cauti for brazi The condensated water on the stop valve can move to the indoor autons ior orazing unit To avoid this please cover the stop valve with sealing Be sure to carry out a nitrogen blow when brazing material Brazing without carrying out nitrogen replacement or releasing M ifthe temperature is higher than 30 C and the humidity is higher nitrogen into the piping will create large quantities of oxidised than RH 80 RH75 then the thickness of the sealing film on the inside of the pipes adversely affecting valves and materials should be at least 20 mm 15 mm in order to avoid compressors in the refrigerating system and preventing normal condensation on the surface of the sealing operation When brazing pipes however do not use oxidation mM Be sure to insulate the liquid and gas side field piping preventers Residue of such preventers may result in choking of pipes or malfunction of components Ma Any exposed piping may cause condensation or burns MH When brazing while inserting nitrogen into the piping nitrogen if touched must be set to 0 02 MPa with a pressure reducing valve just The highest temperature that the gas side piping can reach is enough so that it can be felt on the skin around 120 C so be sure to use insulating material which is 1 2 3 very resistant lt 6 HOMO 1 Refrigerant piping Compressor 2 Part to be2. CE Declaration of conformity 1 This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures See the figure below for the location of the accessories 1 Accessories 1 Handling As shown in the figure bring the unit slowly by grabbing the left and right grips Suction inlet MEE Outlet grille Corner Handle N 100 140 class models Do not holding the suction inlet in the side of the casing otherwise the casing could be deformed Place your hands on the corner in the case of 71 class model C M Take care not to let hands or objects come in contact with rear fins m Work in a team of at least two people when carrying the unit Only hold the unit at the specified positions when carrying it using PP bands or other items SELECTING INSTALLATION SITE A EM Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals E 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 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 outl
3. 2 Be sure to close the frontside panel before operation as not doing so can cause electric shock 3 Be sure to turn power on at least 6 hours before starting operation in order to protect the compressor RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 DAIKIN Installation manual 10 Be sure to set the unit to cooling operation mode 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 Press the ON OFF button within 10 seconds to start the test run and check the operation status for about 3 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 Push the air flow direction adjust button and check if the unit is responding to the new air flow direction position 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 tc normal In case the malfunction code does not display 2 refer to Failure diagnosis at the moment of first installation on page 13 If the inspection test operation button is pressed 4 times during a test run the unit returns to normal
4. wiring RZQG100 140 Control box Stop valve mounting plate Earth terminal Indoor unit earth terminal Tie wrap Wiring between units including indoor unit earth wire no fF WD Power supply and earth wire Use a sleeve insulated 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 Round crimp style terminal Electric Wire O Insulating sleeve 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 below figure Stranded wires should be finished with solder and not used Loose electric wires may cause the generation of abnormal heat _ nn ele lO oom o O 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 M4 X1M WIRING BETWEEN UNITS 1 2 1 8 M4 TERMINAL PLATE INDOOR UNIT EARTH 1 2 1 4 M5 X1M POWER SUPPLY EARTH 2 0 3 0 DAIKIN Installation manual RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 Precautions
5. during installation or servicing when the service panel is removed Never perform a test run with the discharge piping thermistor R2T and suction piping thermistor R3T removed as this might break the compressor Do not touch the drain pump or fan if the indoor unit is operated without attaching the decoration panel Doing so could result in an electric shock or other injury 1 European International Technical Standard setting 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 NOTE Note that during the first running period of the unit L ca required 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 Mm Is the wiring as mentioned on the wiring Inter unit wiring diagram Earth wire Make sure no wiring has been forgotten and that there are no missing phases or reverse phases MH sthe unit properly grounded MH Is the wiring between units connected in series correct MH Are any of the wiring attachment screws loose H sits the insulation resistance at least 1 MQ 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 Bm Is the insulation material f
6. 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 Important PR Insulation resistance of the compressor If after installation refrigerant accumulates in the compressor the insulation resistance can drop but if it is at least 1 MQ then the machine will not break down Turn on the power and leave it on for six hours Then check to see if the insulation resistance of the compressor has risen or not E While following the instructions in this installation manual install The compressor will heat up and evaporate any refrigerant in the drain piping to ensure proper drainage and insulate piping to compressor prevent condensation Check the following items if the ground fault circuit interrupter is Improper drain piping may result in indoor water leakage and triggered roperty damage a 3 led 9 MW Make sure that the interrupter is compatible with high mM Install the indoor and outdoor units power cord and connecting frequencies wires at least 1 m away from televisions or radios to prevent This unit has an inverter so an interrupter capable of handling picture interference and noise high frequencies is needed to prevent malfunction of the Depending on the incoming signal strength a distance of 1 m interrupter itself may not be suffici
7. not to let the indoor and outdoor branch piping come into contact with the compressor terminal cover 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 Cautions for flare connection mM 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 torque mm Flare shape 86 4 14 2 17 2 Nem 8 7 9 1 89 5 32 7 39 9 Nem 12 8 13 2 012 7 49 5 60 3 Nem 16 2 16 6 815 9 61 8 75 4 Nem 19 3 19 7 819 1 97 2 118 8 Nem 23 6 24 0 If a torque wrench is not available be aware that the tightening torque may increase suddenly Do not tighten 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 89 5 200 mm 012 7 250 mm 30 60 815 9 300 mm 819 1 20 35 450 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 After completing the installation carry out a gas leak inspection of the piping connections with nitrogen and such
8. personal injury which may be serious depending on the circumstances Installation manual AN Warning ME For year round cooling applications with low indoor humidity conditions such as Electronic Data Processing rooms contact your dealer or see the engineering databook or the service manual MH 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 MH Ask your dealer or qualified personnel to carry out installation work Do not attempt to install the air conditioner yourself Improper installation may result in water leakage electric shocks or fire E Install the air conditioner in accordance with the instructions in this installation manual Improper installation may result in water leakage electric shocks or fire MW 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 MH Be sure to use only the specified accessories and
9. produced if the refrigerant comes into contact with fire Mm After completing installation check for refrigerant gas leakage Toxic gas may be produced if the refrigerant gas leaks into the room and comes into contact with a source of fire such as a fan heater stove or cooker Installation manual DAIKIN RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 Never directly touch any accidental leaking refrigerant This could result in severe wounds caused by frostbite Be sure to switch off the unit before touching any electrical parts Be sure to earth the air conditioner Do not earth the unit to a utility pipe lightning conductor or telephone earth lead Imperfect earthing may result in electric shocks or fire A high surge current from lightning or other sources may cause damage to the air conditioner Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire Live parts can be easily touched by accident Never leave the unit unattended during installation or servicing when the service panel is removed 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 A Caution Provide a logbook In accordance with the relevant national and international codes it may be necessary to provide a
10. 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 This unit has a chargeless specification and additional refrigerant charging is not required up to the piping lengths in the table below Liquid pipe size Chargeless length 06 4 x t0 8 mm 10m RZQG71 140 89 5 x t0 8 mm 30 m 112 7 x t0 8 mm 15m Additional charging of refrigerant MH 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 6 E g pair L1 Installation manual DAIKIN RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 m When the piping length exceeds those in the table above or recharging is to be performed only the following items should be followed to ensure correct charging For future servicing mark with a circle the selected amount on the tables below For pair system Table 1 Additional charging of refrigerant lt unit kg gt Standard liquid pipe size Conne
11. 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 It is best to screw in the foundation Drain pipe disposal Potentially problematic locations for outdoor unit drainage In locations where for example drainage may fall on passersby or frozen drainage may cause passersby to slip over install an enclosure field supply to prevent people approaching the outdoor unit In regions where buildups of snow can be expected the accumulation and freezing of snow in the space between the heat exchanger and external plate may lower operating efficiency In this case drill a knockout hole in the lower part of the bottom frame so the snow can escape When creating a knockout hole use a 6 mm drill bit to open round holes connected to the circumference of the knockout hole 4 places After punching the knockout hole the application of repair type paint on the surface around the edge sections is recommended to prevent rust ee around knockout hole P lt Knockout 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 prepare all 4 wires as indicated in the drawing unscrew the top plate at the 4 locations indicated A and B put the screws through the nooses and screw them bac
12. upper and lower units so there is refrigerant no reintake of discharged air EM Temper grade use piping with temper grade in function of the pipe diameter as listed in table below C In case of multiple row installation for roof top use etc a 1 f installi it MH The pipe thickness of the refrigerant piping should comply with 1N 6888 01 INSIALNg ONE UNIE per TOW relevant local and national regulations The minimal pipe thickness for R410A piping must be in accordance with the table below Temper grade Pipe of piping material Minimal thickness t mm 6 4 9 5 12 7 O 0 80 15 9 0 1 00 19 1 1 2H O Annealed 1 2H Half hard Only use annealed material for flare connections DAIKIN Installation manual 5 RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 Refrigerant pipe size This models are only for pair combination Refer to figure 2 for pair system MH Main pipe pipe between outdoor and indoor The pipes should have the same size as the outdoor connections Refrigerant pipe size Gas pipe Size down Standard size Size up RZQG71 012 7 RZQG100 140 mie 219 1 Liquid pipe Model Size down Standard size Size up RZQG71 140 06 4 89 5 012 7 NOTE NE For new installations use the standard pipe sizes gi E When using existing pipes size up is allowed as mentioned in the table above Size up is only allowed for pair combination L1 Additional rest
13. 274408 1 DAIKIN Installation manual E In the following situations the existing piping should not be re used and new piping should be installed If the previously used model had problems with its compressor this might cause oxidised coolant oil scale residue and other adverse effects If the indoor or outdoor units were disconnected from the piping for a long period of time water or dirt might have gotten into the piping If copper piping is corroded Ml Flares should not be re used but rather new ones made in order to prevent leaks Ml Check welded connections for gas leaks if the local piping has welded connections Ml Replace deteriorated insulation with new material REFRIGERANT PIPING MH Field pipes can be installed in four directions Figure Field pipes in four directions 1 2 3 4 5 6 7 8 9 Drill Centre area around knockout hole Knockout hole Slit Connecting pipe Bottom frame Front plate Pipe outlet plate Screw front plate m o Pipe outlet plate screw Forward Backward Sideways 00 8 gt Downward 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 mM 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 86 mm drill See figure Field pipes in four dir
14. DAIKIN INSTALLATION MANUAL 4 Split System air conditioners MODELS RZQG71LV1B RZQG100LV1B RZQG125LV1B RZQG140LV1B READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE L2 lt 1 2H 1 2H lt L2 lt H y ye CRES NIF ote DAIKIN RZQG71LV1B RZQG100LV1B RZQG125LV1B RZQG140LV1B CONTENTS Page Safety precautions nersessnneensennnnnennnnnennnnnnnnnennnnnnnnennnnnnnnnnnnn 1 Before installation Selecting installation site erunnnssennennnennennnennnnnnnnnnnennnnnnn nennen 3 Precautions on installation oonnnnninnnnninacionicacinacnana nara narco carc arica 4 Installation servicing space ooooonncnononicconacnnncncnann canon nan ccn no ranc rana 4 Refrigerant pipe size and allowable pipe length 5 Precautions on refrigerant piping Refrigerant PiPing nr EVACUATING eiii 9 Charging refrigerant eirian een 9 Electrical Wiring work oonnnnnncnnnccnonanncccnarncarncnnn crac anar canon cr nana nana 10 MOST OP CMA ON cursando ibid 12 Disposal requirements oooocncconocinocnnacnccnanananananc cnn cnn narra no nan ccnnnannno 13 Wiring diagram cooooccconoccccnncccccnoncnnonnncnnnn cnn nana nn nano ca nnnn rca nnnn cc cnnnnnns 14 AN READ THES
15. E INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT 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 PRECAUTIONS Please read these SAFETY PRECAUTIONS carefully before installing air conditioning equipment and be sure to install it correctly After completing installation conduct a trial operation to check for faults and explain to the customer how to operate the air conditioner and take care of it with the aid of the operation manual Ask the customer to store the installation manual along with the operation manual for future reference This air conditioner comes under the term appliances not accessible to the general public Meaning of WARNING and CAUTION notices Split System air conditioners WARNING Failure to follow these instructions properly may result in personal injury or loss of life CAUTION Failure to observe these instructions properly may result in property damage or
16. ain hole B Leg pitch E Knockout hole C Bottom frame F Bottom view mm DAIKIN Split System air conditioners 3P274408 1 Installation manual Precaution on installation A In case of non stacked installation See figure 1 Unit mm A 1 Single unit installation A 2 Multiple units installation 2 units or more Secure appropriate space when using a side piping outlet 4 gt x Y Suction side obstacle Y 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 units can be installed Right side obstacle This situation is not Top side obstacle allowed In case of installing multiple units 2 units or more in lateral connection per row Relation of dimensions of H A and L are shown in the table below L A B In case of stacked installation L lt H ESA wei 1 Incase obstacles exist in front of the outlet side IL au H lt L Installation impossible REFRIGERANT PIPE SIZE AND ALLOWABLE PIPE LENGTH AN Installation shall be done by a licensed refrigeration 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 2 gi To persons in charge of piping work M Be sure to op
17. an be reused without cleaning when e Total 1 way piping length lt 50 m No compressor breakdown has occurred in the history of the unit to be replaced e Acorrect pump down operation can be executed Operate the unit continuously for 30 minutes in cooling mode Execute a pump down operation Remove the air conditioning units to be replaced Check the contamination inside the existing piping If you cannot meet all these requirements the existing pipes must be cleaned or replaced after removing the air conditioning units to be replaced 3 Prepare the flare connections for higher pressure See paragraph Cautions for flare connection on page 8 PRECAUTIONS ON REFRIGERANT PIPING E 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 mM 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 0 1 MPa 755 mm Hg of gauge
18. brazed 2 Indoor and outdoor 3 Taping filg Be 4 Hands valve 3 Gorking ete 5 Pressure reducing valve Insulation material y field supply 6 Nitrogen A Wind heat insulation material around the piping section so it is not exposed and then cover the insulation material with vinyl tape DAIKIN RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 Installation manual 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 4 Pressure gauge Nitrogen Refrigerant Weighing machine Vacuum pump our OON Stop valve Procedure for leak test Leak test must satisfy EN378 2 1 i Evacuate the pipes and check vacuum No pressure increase for 1 minute Break the vacuum with a minimum of 0 2 MPa 2 bar 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 Following should be executed if there is a possibility of moisture
19. cted piping length is between Model 30 40 m 40 50 m 50 60 m 60 75 m E Pump down operation m RZQG71 140 Procedure Precaution 1 Make sure that stop valves both on liquid and on gas side RZQG100 140 Size up liquid pipe size Connected piping length is between 15 20 m 20 25 m 25 30 m 30 35 m RZQG71 0 5 1 0 are open 2 Push the BS4 pumping down operation button on the PC board of the outdoor unit 5 seconds Compressor and outdoor fan will start operation automatically The indoor unit fan may automatically start running Please pay attention to this 3 Close the stop valve on the liquid side securely about 2 minutes after the compressor started operation See How to use the stop valve on page 7 Never leave the outdoor unit unattended with opened front panel when power supply is on In case the stop valve on the liquid side is not securely RZQG100 140 1 5 2 0 C cia 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 m RZQG71 140 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 r
20. d outdoor unit between outdoor unit and indoor units between indoor unit and remote controller Ml The fuse on the outdoor unit PCB may have run out If the malfunction code 3 EP LE or ul is displayed on the remote controller there is a possibility that the stop valves are closed If the malfunction code 3 4 or LE is displayed on the remote controller there is a possibility that air inlet or air outlet are blocked If the malfunction code ti is displayed on the remote controller check for voltage imbalance If the malfunction code s or uF is displayed on the remote controller check the inter unit branch wiring connection Mm Ifthe malfunction code i is displayed on the remote controller there is a possibility that connection is with incompatible indoor unit 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 DAIKIN RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 WIRING DIAGRAM Terminal BLK Black I Terminal block GRN Green exe Connector BLU Blue D Relay connector ORG Orange EEEE Field wiring RED Red WHT White YLW Yellow IN Refer to the service manual for connecting wiring to X6A The position of the selector switche
21. d by snow falls snow buildups or snow drifts Ensure the bottom plate is at least 500 mm higher than expected snow levels Install a roof cover for a snow fence or other enclosure field supply Remove the rear suction grille to prevent snow from accumulating on the rear fins Avoid installing the unit in a location where blown snow will build up Also take the following measures as there is a danger the drainage discharged during defrosting operation may freeze Install the outdoor unit at a sufficient height so that its bottom plate is above expected snow levels This is to prevent the buildup of ice on the underside of the bottom plate A space of at least 500 mm is recommended Do not use a centralized drain plug option There is a danger of freezing when a drain plug or drain pipe is used If there is a problem with dripping of drainage take a measure such as positioning a roof cover field supply under the outdoor unit If you install the unit on a building frame please install a waterproof plate within 150 mm of the underside of the unit or use a drain plug kit option in order to avoid the drainwater dripping See figure e o PRECAUTIONS ON INSTALLATION Installation method on the foundation Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installation In accordance with the foundation drawing in the figure fix
22. ections M 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 011 1 Putty or insulating material produced locally Insects or small animals entering the outdoor unit may cause a short circuit in the control box Cautions for handling stop valve MH The stop valves for indoor outdoor connecting piping are closed at shipment from the factory ei 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 SB op Valve cover MW 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 1 Spanner 2 Torque wrench Applying an excessive torque may distort the interior stop valve surface causing gas to leak inside the valve and causing the flare nut to crack eventually Do not apply force on the valve cover this may result in a refrigerant leak MH For cooling operation under low ambient temperature or any other operation under low pressure apply silicon pad or similar to prevent freezi
23. efrigerant piping length as in Maximum total one way piping length of the table in paragraph Allowable pipe length and height difference on page 6 E g pair L1 Table 2 Total charging amount lt unit kg gt Refrigerant piping length Liquid pipe size size down 2 50 standard 2 50 3 00 3 50 4 00 4 50 size down 3 00 standard 3 00 3 50 4 00 4 50 5 00 5 50 6 00 RZQG71 RZQG100 140 Refrigerant piping length E Liquid pipe 8 size 19 9 RZQG71 2 50 3 00 3 50 4 00 4 50 size up RZQG100 140 3 00 3 50 4 00 4 50 5 00 5 50 6 00 Precaution for pumping down operation Take the following steps to perform the pumping down operation E Preliminary measures e 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 e Close the front panel before leaving the outdoor unit You cannot leave the unit unattended in case the front panel remains opened e Turn on the power supply and carry out pumping down operation according to the following procedure closed during compressor operation pumping down operation cannot be executed 4 Once compressor operation stops after 2 to 6 minutes close the stop valve on the gas side securely See How to use
24. en the stop valve after piping installing and vacuming is complete Running the system with the valve closed may break the compressor M It is forbidden to discharge refrigerant into the atmosphere Collect the refrigerant in accordance with the freon collection and destruction law M Do not use flux when brazing the refrigerant piping For brazing use phosphor copper brazing filler metal f BCuP which does not require a flux M Do not exceed two levels for stacked installation If a chlorine flux is used the piping will corrode and if Install a roof cover similar to A field supply as outdoor units the flux contains fluoride it will cause the coolant oil to with downward drainage are prone to dripping and freezing deteriorate adversely affecting the coolant piping M Install the upper level outdoor unit so that its bottom plate is a system sufficient height above the roof cover This is to prevent the buildup of ice on the underside of the bottom plate A space of Selection of piping material at least 500 mm is recommended Itis not necessary to install a roof cover if there is no danger of m Piping and other prossure containing parts Shall comply Withithe drainage dripping and freezing In this case the space between nanona ang international codes any Shall be suitable Tor the upper and lower outdoor units should be at least 100 mm refrigerant use phosphoric acid deoxidised seamless copper for Close off the gap between the
25. ent to eliminate noise mM Remote controller wireless kit transmitting distance can be Precautions for R410A shorter than expected in rooms with electronic fluorescent lamps inverter or rapid start types Install the indoor unit as far away Since maximum working pressure is 4 0 MPa or 40 bar irom fuorescent lampsasipossible pipes of larger wall thickness may be required Refer to EM Make sure to provide for adequate measures in order to prevent paragraph Selection of piping material on page 5 that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause MH The refrigerant requires strict cautions for keeping the system malfunctions smoke or fire Please instruct the customer to clean dry and tight keep the area around the unit clean i eisan anid do i u Do not rinse the outdoor unit This may cause electric shocks or Foreign materials including mineral oils or moisture should be fire prevented from getting mixed into the system H Do not install the air conditioner in the following locations Tight MH Where there is a high concentration of mineral oil spray or Read Precautions on refrigerant piping on page 6 carefully and vapour e g a kitchen follow these procedures correctly Plastic parts will deteriorate parts may fall off and water Mm Since R410A is a mixed refrigerant the required additional leakage could result refrigerant must be charged in its liqu
26. et 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 foreseen Turn the air outlet side toward the building s wall fence or screen Make sure there is enough room to do the installation M Set the outlet side at a right angle to the direction of the wind Strong wind Blown air EL N 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 Installation manual RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 When installing the unit in a place frequently exposed to snow pay special attention to the following Place the outdoor unit on a stand field supply so that it is not covere
27. id state If the refrigerant is m Where corrosive gas such as sulphurous acid gas is a a its composition changes and the system will not produced properly Corroding of copper pipes or soldered parts may result in EM The connected indoor units must be indoor units designed refrigerant leakage exclusively for R410A E Near machinery emitting electromagnetic radiation mM Refer to catalogue for connected indoor unit model name Electromagnetic radiation may disturb the operation of the If connecting indoor unit to other than specified normal control system and result in a malfunction of the unit operation cannot be performed mM Where flammable gas may leak where there is carbon fibre i or ignitable dust suspensions in the air or where volatile Installation flammables such as paint thinner or gasoline are handled a i O a P E 9 si MH For installation of the indoor unit s refer to the indoor unit perating the unit in such conditions may result in fire instalfation ma nual m Where the air contains high levels of salt such as that near H Illustrations show class 125 outdoor unit type Other types also the ocean follow this installation manual E Where voltage fluctuates a lot such as that in factories Mm Never operate the unit with a damaged or disconnected E In vehicles or vessels discharge thermistor and suction thermistor burning of the u compressor may result m Where acidic or alkaline vapour is present m Be sure to confi
28. k 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 INSTALLATION SERVICING SPACE The installation service spaces shown in these drawings are based on an outdoor unit intake area temperature of 35 C DB for COOL operation If the planned intake area temperature exceeds 35 C DB or if the heat load of all outdoor units is increased significantly and exceeds the maximum operating capacity secure a larger space than that indicated by the intake dimensions in these drawings For installation consider both pedestrian and airflow paths and choose a suitable pattern from these drawings to match the space available onsite If the number of units to be installed exceeds the patterns in these drawings consider using short circuits Regarding the front space position the units with consideration to the space required for the onsite refrigerant piping work Consult your dealer if the work conditions do not match those in the drawings RZQG71 100 125 140LV1B bolts until their length are 20 mm from eaey f the foundation surface ST e A Fix the outdoor unit to the foundation bolts using nuts with resin washers Refer Resin to the right hand drawing E washers If the coating on the fastening area is u stripped off the nuts rust easily 8 160 620 160 G gt E LO Y 2 E A Front Air outlet side D Dr
29. ng of the gas stop valve flare nut see figure Freezing of the flare nut may cause refrigerant leak Silicon sealing pad Make sure there is no gap How to use the stop valve Use hexagonal wrenches 4 mm and 6 mm HM 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 Mm Closing the valve 1 Place the hex wrench on the valve bar and turn clockwise 2 Stop when the valve bar no longer turns It is now closed A TA K SB Closing direction A Liquid side ty B Gas side Installation manual 7 DAIKIN RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 Cautions for handling the valve cover The valve cover is sealed where indicated by the arrow Refer to the figure Take care not to damage it Al After operating the valve be sure to tighten the valve cover properly Tightening torque Liquid pipe 13 5 16 5 Nem 22 5 27 5 Nem Gas pipe Check for refrigerant leakage after tightening the cap Cautions for handling service port Always use a flexible charge hose with a push rod and valve to enable recovery of remaining refrigerant in the charge hose After the work tighten the valve cover in place Tightening torque 11 5 13 9 Nem Precautions when connecting field piping and regarding insulation Be careful
30. operation Check all functions according to the operation manual Precautions regarding test run 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 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 m Disconnection or wiring error between power supply an
31. or the piping attached securely Are both the liquid and gas pipes insulated MH Are the stop valves for both the liquid side and the gas side open Did you write down the extra refrigerant and the refrigerant piping length Extra refrigerant a Indoor unit Is the indoor unit fully installed When the test run is started the fan automatically begins turning If a decoration panel is not attached make sure that no work is being done on the indoor unit If you are using the wireless remote controller do the test run after attaching the decoration panel to the indoor unit mM Be sure to perform a test run M 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 M Be sure to execute the first test run of the installation in cooling mode operation MH Never leave the unit unattended with an open front panel during test run Remote controller confirmation MH The settings of the remote controller for the BRC1C series should be made in accordance with the following procedure MH The settings of the remote controller for the BRC1E series should be made in accordance with the attached manual Test run 1 Make sure the liquid and gas stop valves are open P B A Liquid side GOL B Gas side Remove the cap and turn counterclockwise with a hex wrench until it stops Opening direction
32. otocol Do not vent gases into the atmosphere R410A 1975 Refrigerant type GWP value 1 GWP global warming potential Please fill in with indelible ink E the factory refrigerant charge of the product E the additional refrigerant amount charged in the field and E 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 0 Contains fluorinated greenhouse gases covered by the Kyoto Protocol 14 1 RIOR O Je lis 6 5 factory refrigerant charge of the product see unit name plate e 2 additional refrigerant kg 2 amount charged in the ee field O 0 lg total refrigerant charge Contains fluorinated greenhouse gases covered by the Kyoto Protocol outdoor unit refrigerant cylinder and manifold for charging NOTE q National implementation of EU regulation on certain fluorinated greenhouse 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
33. parts for installation work Failure to use the specified parts may result in the unit falling water leakage electric shocks or fire MH Install the air conditioner on a foundation strong enough to withstand the weight of the unit A foundation of insufficient strength may result in the equipment falling and causing injury MW Carry out the specified installation work after taking into account strong winds typhoons or earthquakes Failure to do so during installation work may result in the unit falling and causing accidents EM Make sure that a separate power supply circuit is provided for this unit and that all electrical work is carried out by qualified personnel according to local laws and regulations and this installation manual An insufficient power supply capacity or improper electrical construction may lead to electric shocks or fire EM Make sure that all wiring is secured the specified wires are used and that there is no strain on the terminal connections or wires Improper connections or securing of wires may result in abnormal heat build up or fire mM When wiring the power supply and connecting the wiring between the indoor and outdoor units position the wires so that the control box cover can be securely fastened Improper positioning of the control box cover may result in electric shocks fire or overheating terminals M f refrigerant gas leaks during installation ventilate the area immediately Toxic gas may be
34. piping is complete Running it before the piping is ready will break the compressor Precautions on electrical wiring work MH Before obtaining access to terminal devices all supply circuits must be interrupted Use only copper wires MH The wiring between the indoor unit and outdoor unit must be for 220 240 V MW 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 RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 DAIKIN Installation manual mM When connecting the electrical wiring or wiring between units do not remove the thermistor sensors If operation is performed with the sensors removed the compressor may malfunction Mm Never squeeze bundled cables into a unit mM Fix cables so that cables do not make contact with the pipes especially on high pressure side MH 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 M This unit is equipped with an inverter device Ensure that grounding work is performed in order to reduce the effect of generated noise on other equipment and to release charge that ma
35. pressure mM During tests never pressurize the appliances with a pressure higher than the maximum allowable pressure see unit name plate PS Min order to prevent dirt liquid or dust from entering the piping cure the piping with a pinch or taping x en Protection method Place Installation period More than a month Pinch the pipe Outdoor unit Less than a month Regardless of the Pinch or tape the pipe Indoor unit period Great caution is needed when passing copper tubes through walls mM When using existing refrigerant piping Pay attention to the following points when using existing refrigerant piping M Perform a visual check on quality of residual oil in existing refrigerant piping This check is extremely important because using existing piping with deteriorated oil will cause compressor breakdown Put some residual oil of the pipes you want to reuse ona piece of white paper or on the white surface of an oil checking reference card and compare that oil colour with the circled colour of the oil checking reference card If oil colour is identical to the circled colour or darker replace the piping install new piping or clean the piping thoroughly If oil colour is lighter the pipes can be reused without cleaning An oil checking reference card is indispensable for such evaluation and can be obtained at your dealer RZQG71 100 125 140LV1B Split System air conditioners 3P
36. 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 1 hour to 0 1 MPa of gauge pressure vacuum drying If the system cannot be evacuated to 0 1 MPa 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 0 1 MPa 755 mm Hg of gauge pressure Evacuate the system from the liquid and gas pipes by using a vacuum pump for more than 2 hours and bring the system to 0 1 MPa After keeping 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 CHARGING REFRIGERANT Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Pr
37. rictions towards allowable pipe lengths as mentioned in the table Allowable pipe length on page 6 must be taken into account Not using the standard pipe size may result in capacity decrease The installer must acknowledge this and judge this very carefully in function of the complete installation Allowable pipe length and height difference See the table below concerning lengths and heights Refer to figure 2 Assume that the longest line in the figure corresponds with the actual longest pipe and the highest unit in the figure corresponds with the actual highest unit Allowable pipe length Liquid pipe size Maximum total one way piping length Pair L1 size down 10 m 10 m 50m standard 70 m 75 m 90 m 25m size up 35 m 35 m 45 m Maximum height between indoor and outdoor Pair H1 30m Chargeless length Pair L1 size down lt 10m standard lt 30 m size up lt 15m a Parentheses figure represents the equivalent length Existing or pre installed piping can be used 1 Piping must comply with the criteria below e Pipe diameter must comply with the limitations as indicated in paragraph Refrigerant pipe size on page 6 e Piping length must be within limits of the allowable piping length as in paragraph Allowable pipe length and height difference on page 6 Piping must be designed for R410A See paragraph Selection of piping material on page 5 2 Piping c
38. rm the model name and the serial no of the mM The air conditioner is not intended for use in a potentially outer front plates when attaching detaching the plates to avoid explosive atmosphere mistakes mM When closing the service panels take care that the tightening torque does not exceed 4 1 Nem DAIKIN RZQG71 100 125 140LV1B Split System air conditioners 3P274408 1 Installation manual Accessories Check if the following accessories are included with the unit Installation manual 1 KS Clamp 2 SA ES Fluorinated greenhouse gases 4 label Multilingual fluorinated 4 greenhouse gases label Select an installation site where the following conditions are satisfied and that meets with your customers approval Places which are well ventilated Places where the unit does not bother next door neighbours 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 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
39. s DS1 indicate the factory setting For details refer to the service manual AIP A4P iisi Printed circuit board RSW isesi redis Thermistor suction BS1 BSA4 Push button switch RAT init Thermistor coil C1 CA nee Capacitor RSM size Thermistor coil middle DO lisis DIP switch ROT IPRPPFEESPPFERFEFFEFTFRPR Thermistor liquid FIU F6U Fuse RIOT acusa Thermistor fin HAP nase Service monitor green RG users Signal receiver circuit H1P H7P Service monitor orange SIPH rinnan High pressure switch K1M K11M Magnetic contactor TG Signal transmission circuit Klass Magnetic relay Y1S VR sarirane asasaran IGBT power module KNOR siiis Magnetic relay V2ReVBR Diode bridge CIR Reactor A Insulated gate bipolar transistor IGBT MIC a Motor compressor MAM erisir Terminal block MIFeMBF Motor fan XGA nein Connector option POr Switching power supply Vd Econ Electric expansion valve RdA unica Resistor VS isis daa Solenoid valve 4 way valve RIT Thermistor air Z1C Z8C Noise filter Ferrite core R2T Thermistor discharge Z1F Z4F Noise filter DAIKIN RZQG71 100 125 140LV1B Installation manual Split System air conditioners 3P274408 1 3P274408 1 EM10A022 1008 4
40. 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 t s But this is not a malfunction After finishing the pumping down operation make sure to have removed the insulation sheet that was placed in the control box as a protective measure like in chapter Preliminary measures on page 10 e 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 unit in cooling operation during test run ELECTRICAL WIRING WORK AN E Mm All components procured on the site and all electric construction should comply with the applicable local and national codes All field wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations MH High voltage To avoid electrical shock make sure to disconnect the power supply 10 minutes before servicing the electrical parts Even after 10 minutes 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 A To persons in charge of electrical wiring work Do not operate the unit until the refrigerant
41. when connecting the indoor unit earth terminal When pulling the earth wire out wire it so that it comes through the cut out section of the cup washer An improper earth connection may prevent a good earth from being achieved 1 Round pressure terminal 2 Cut out section CD 3 Cup washer 1 23 MB Refer to the installation manual attached to the indoor unit for wiring of indoor units etc MH Attach an earth leakage breaker and fuse to the power supply line See figure 5 1 Earth leakage breaker 2 Fuse 3 Remote controller E In wiring make certain that prescribed wires are used carry out complete connections and fix the wires so that outside forces are not applied to the terminals Specifications of standard wiring components Minimum circuit amps MCA 18 6 29 0 29 5 29 8 Recommended field fuse A 20 32 Wire type HO5VV U3G Size Wiring size must comply with the applicable local and national code Wire type of wiring between the units HO5VV 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 Ma breaker of 30 mA lt 0 1 s Equipment complying with EN IEC 61000 3 12 1 TEST OPERATION WARNING Live parts can be easily touched by accident Never leave the unit unattended
42. y electrify the outer wall of the unit due to current leakage MH When installing the earth leakage breaker make sure that it is u compatible with the inverter resistant to high frequency electrical noise to avoid unnecessary opening of the earth leakage breaker Mm 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 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 u 2 Secure the ground wire to the stop valve attachment plate one u more time along with the electric wiring and the inter unit wiring MH Lay the electrical wiring so that the front cover does not rise up 1 Power supply wiring and earth wire 2 Wiring between unit including indoor unit earth wire 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 3 Wire Bush Nut Frame Hose Inside Outside Dror won 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 when doing wiring work and attach the front cover securely Precautions on wiring of power supply and inter unit
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