RZQS-B RZQS
Contents
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3. may not indicate 25 But this is not a malfunction e 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 like in chapter Preliminary measures on page 10 lt 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 RZQS71 140C7V1B Split System air conditioners 4PW40416 1 DAIKIN Installation manual 10 ELECTRICAL WIRING WORK wiring must be performed by an authorized electrician HN All components procured on the site and all electric construction should comply with the applicable local and national codes B 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 qu 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 ready will break the compressor Precautions on electrical wiring work m Before obtaining access to terminal devices all supply circuits must be interrupted m
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6. 5 indoor RZQS100C standard 1 75 2 25 2 75 3 25 3 75 ype L3 5 06 4 ne RZQS125 140C standard 2 70 3 20 3 70 4 20 4 70 e outdoor heat pump di 1 1 11 5 G2 L2 L3 7 5 12 2 Over30 m Gi 30 5m gt 29 5 R1 0 5 kg b G2 12m 06 4 R2 0 6 kg 3 Refrigerant charge amount R R1 R2 0 5 0 6 1 1 kg Example 2 L2 7 06 4 50 type indoor L1 5 09 5 L3 17 06 4 125 type 50 type outdoor heat pump indoor L4 20 26 4 50 type 1 Gi L1 5m 2 Over30m a 91 5 1 0 0 kg b 21 02 30 5 44 30 19 gt 06 4 R2 0 6 kg 3 Refrigerant charge amount R R1 R2 0 0 0 6 0 6 kg G2 L2 L3 L4 7 17 20 44 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 service port located between the heat exchanger and the 4 way valve Precaution for pumping down operation The outdoor unit is equipped with a low pressure switch or a low pressure sensor to protect the compressor Pa Never short circuit the low pressure switch or low pressure sensor during pump down operation Take the following steps to perform the pumping down operation Preliminary measures Make sure to cut off power supply Open the front panel and cover the PCB and
7. Use only copper wires m 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 m Never squeeze bundled cables into a unit m 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 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 When installing the earth leakage breaker make sure that it is compatible with the inverter resistant to high frequency electrical noise to avoid unnecessary opening of the earth leakage breaker 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 Secure the ground wire to the stop valve attachment plate one more time along wi
8. 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 When the reversed phase protection circuit forced the unit to stop check if all phases are existing 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 Reversed phase detection is not performed while the product is operating n 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 unimaginable when using generators Running the product in reversed phase can break the compressor and other parts 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 RZQS71 140C7V1B Split System air conditioners 4PW40416 1 WIRING DIAGRAM Wire clamp BLK Black oo Terminal GRN Green Connector BRN Brown m Relay connector BLU Blue Field wiring ORG Orange RED Red WHT White YLW Yellow Refer to the service manual for connecting wiring to X6A he position of the selector switches DS1 ind
9. piping length is between 30 40 m RZQS71 40 50 m RZQS100 140 0 5 1 0 For twin triple and double twin system Please charge additionally according to the following calculation additional amount is R1 R2 1 G1 total length of 99 5 mm liquid piping G2 total length of 06 4 mm liquid piping 2 G1 gt 30m calculate length over 30 m 21 30 m Based on this length decide R1 R2 in the table b G1 lt 30 m and G1 G2 gt 30 m calculate total length over 30 m G1 G2 30 m Based on this decide R2 in the table R1 0 3 Total additional charge amount R R1 R2 kg Installation manual DAIKIN RZQS71 140C7V1B Split System air conditioners 4PW40416 1 Table 2 Length unit kg unit m additional charging of refrigerant Total charging weight of the refrigerant after a leak etc Length exceeding Chargeless length The total charging amounts relate to the refrigerant piping length as Liquid piping 0 10 10 20 in Maximum allowable piping length of the table in paragraph Main Allowable pipe length and height difference on page 6 E g twin 9 5 0 5 1 0 H1 L14L2 Branch L2 Branch 6 4 0 3 0 6 R2 Table 3 Total charging amount unit kg Refrigerant piping length Example 1 9 piping leng Liguid pipe L2 7 06 4 size 50 type RZQS71C standard 1 75 2 25 2 5 1505 L1 35 99
10. unit in a place where Installation manual 1 See the figure below for the location of the accessories the wind direction can be foreseen m Turn the air outlet side toward the building s wall fence Screen Ds 1 Accessories Y 4 Q IN i 1 Handling idi sure there is enough room to do the installation As shown in the figure bring the unit slowly by grabbing the left and right grips Set the outlet side at a right angle to the direction of the wind Strong wind DK N 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 Blown air CZ Q Strong wind rear fins 3 Prepare a water drainage channel around the foundation to OELECTING INSTALLATION SITE drain waste water from around the unit 4 Ifthe 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 Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals 5 install the unit on a frame please install a waterproof plate Small animals making contact with electrical parts can within 150 mm of the underside of the unit in order to prevent the
11. which can evacuate to 100 7 kPa 5 Torr 755 mm Hg B In order to prevent dirt liquid or dust from entering the piping cure the piping with a pinch or taping Protection method 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 Incase of simultaneous operating system Upward and downward piping should be performed at the main piping line Use branch piping kit optional for branching refrigerant pipes Precautions to be taken For details refer to the manual attached to branch piping kit Install the branch pipes horizontally with a maximum inclination of 15 or vertically Length of branch pipe to the indoor unit should be as short as possible Try to keep lengths of both branch pipes to the indoor unit equal REFRIGERANT PIPING m Field pipes can be installed in four directions 7 8 a 4 12 40 j uz 13 14 Figure Field pipes in four directions 1 Drill 8 Pipe outlet plate 2 Centre area around 9 Screw front plate knockout hole 10 Pipe outlet plate screw 3 Knockout hole 11 Forward 4 Slit 12 Backward 5 Connecting pipe 13 Sideways 6 Bottom frame 14 Downward 7 Front plate B Cutting out the two slits makes it possible to install as shown in the figure Field pipes in four dir
12. write down the extra refrigerant and the refrigerant piping length m 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 sure to execute the first test run of the installation in cooling mode operation m Never leave the unit unattended with an open front panel during test run RZQS71 140C7V1B Split System air conditioners 4PW40416 1 DAIKIN Installation manual 12 Test run 4 2 Be sure to turn power on at least 6 hours before starting operation in order to protect the compressor Make sure the liquid and gas stop valves are open Opening direction A Liquid side B Gas side Remove the cap and turn counterclockwise with a hex wrench until it stops Be sure to close the frontside panel before operation as not doing so can cause electric shock Be sure to set the unit to cooling operation mode Press the inspection test operation button of the remote controler 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 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 of
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15. DAIKIN INSTALLATION MANUAL Split System air conditioners RZQS71C7V1B RZQS100C7V1B RZQS125C7V1B RZQS140C7V1B fez E um gt 50 100 4 Y Y gt 100 gt 100 gt 100 Y 4 gt 100 500 gt 1000 4 gt 150 2150 2150 500 21000 2500 250 100 0 lt L1 lt 1 2H 0 lt 11 lt 1 2 gt 150 250 0 lt L2 lt 1 2H 1 2H lt L2 lt H gt 50 100 gt 100 200 gt 200 300 gt 200 300 21000 21000 gt 200 300 gt 1000 gt 150 250 gt 1000 0 lt L2 lt 1 2H gt 200 300 1 2H lt L2 lt H gt 1000 0 lt L1 lt 1 2H 1 2H lt L1 lt H 1 gt 200 300 gt 150 250 0 lt L2 lt 1 2H gt 200 300 lt 2 AllB 1 50 Hz 220 240 V pakan EX ux E epue1soQ 00 8 00 amp 1 7 AN 3dOUWnz NDIIVO 196 1 yeeo lt g gt 9100 euiseyynJes lt 9 gt 1910 epev lt gt 0 s apeins lt g gt 9 9 97 auAnzod e y A 0104 oye lt gt njexunjes Je eueyses ueunfauaA lt g gt Isojsliqe Un y e 9 eyexunueg jebed g ejs udsnu diey Ji ey diey lt gt 1 1995
16. 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 SAFETY CONSIDERATIONS The precautions listed here are divided into the following two types Both cover very important topics so be sure to follow them carefully WARNING CAUTION If the warning is not observed it may cause serious casualties If the caution is not observed it may cause injury or damage to the equipment WARNING 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 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 WARNING Perform installation work in accordance with this installat
17. ON INSTALLATION m 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 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 m It is best to screw in the foundation bolts until their length are 20 mm from the foundation surface 4 140 Y N a 5 LO i st e Ar 423 614 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 prepare all 4 wires as indicated in the drawing unscrew the top plate at the 4 locations indicated A and B mM 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 B lf 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 m sure the drain works proper
18. cause malfunctions smoke or fire Please instruct the invasion of water from the lower direction customer to keep the area around the unit clean 6 When installing the unit in a place frequently exposed to snow 1 Select an installation site where the following conditions are pay special attention to the following satisfied and that meets with your customer s approval Elevate the foundation as high as possible Places which are well ventilated Remove the rear suction grille to prevent snow from Places where the unit does not bother next door neighbours accumulating on the rear fins Safe places which can withstand the unit s weight and vibration and where the unit can be installed level 7 If you install the unit on a building frame Places where there is no possibility of flammable gas or please install a waterproof plate within product leak 150 mm of the underside of the unit or Places where servicing space can be well ensured use a drain plug kit option in order to Places where the indoor and outdoor units piping and wiring avoid the drainwater dripping See figure Ag lengths come within the allowable ranges 6 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 DAIKIN RZQS71 140C7V1B Split System air conditioners 4PW40416 1 Installation manual PRECAUTIONS
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20. e of piping material Minimal thickness t mm 9 5 0 80 15 9 1 00 O Annealed Refrigerant pipe size Refer to figure 3 for twin system to figure 4 for triple system and to figure 5 for double twin system Main pipe pipe between outdoor and first branch The pipes should have the same size as the outdoor connections Refrigerant pipe size standard size Gas pipe 015 9 Liquid pipe 09 5 Pipe between first branch and second branch L2 L3 only for double twin Gas 015 9 Liquid 09 5 Pipe between branch and indoor units L2 L3 for twin L2 L4 for triple and 4 17 for double twin These pipe sizes must have the same size as the connected indoor units pipe sizes Branch see marking on figures 3 4 and 5 Selection of branch pipe deteriorate adversely affecting the coolant piping Twin KHRQ22M20TA system Triple KHRQ250H Double twin KHRQ22M20TA 3x DAIKIN Installation manual RZQS71 140C7V1B Split System air conditioners 4PW40416 1 Allowable pipe length and height difference See the table below concerning lengths and heights Refer to figures 2 3 4 and 5 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 71 Maximum total one way piping length Pair L1 standard Twin and trip
21. e connection may cause overheating When connecting wires of the same gauge connect them according to the below figure p N uii lO 1 X X m 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 torgue Nem M4 KAM 1 2 1 8 M4 EARTH 1 2 1 4 M5 X1M 2 0 3 0 M5 EARTH 2 4 2 9 m 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 9 Pair Master ll Twin Slave Triple Earth leakage breaker IV Double twin Fuse Remote controller B 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 YA RZQS100 RZQS125 140 Minimum circuit amps MCA 9 Recommended field fuse 20A 32 Wire type HO5VV U3G Size Wiring size must comply with the applicable local and national code Wire type of wiring between the HO5VV U4G2 5 units a Stated values are maximum values see electrical data of combination with indoor units for exact va
22. ections Use a metal saw to cut out the slits B 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 96 mm drill See figure Field pipes in four directions 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 RZQS71 140C7V1B Split System air conditioners 4PW40416 1 DAIKIN Installation manual 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 Putty or insulating material produced locally Insects or small animals entering the outdoor unit may cause a short circuit in the electrical box Cautions for handling stop valve The stop valves for indoor outdoor connecting piping are closed at shipment from the factory KR 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 N Valve cover m 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 distor
23. f 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 20 normal In case the malfunction code does not display ww 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 operation 10 Check all functions according to the operation manual Precautions regarding test runs i 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 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 ha
24. 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 a 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 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 power switch Installation manual DAIKIN RZQS71 140C7V1B Split System air conditioners 4PW40416 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 m 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 accidental leaking refrigerant This could result in severe wounds caused by frostbite A CAUTION m Ground the air conditioner Grounding resistance should be according to national regulations Do not connect
25. ful with pipe bolt and outer panel A connections gt A Cautions for flare connection B 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 Flare shape 09 5 32 7 39 9 Nem 12 8 13 2 015 9 61 8 75 4 Nem 19 3 19 7 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 Piping size Further tightening angle length of tool 015 9 30 60 300 mm m When connecting the flare nut apply refrigerating machine oil to the flare inside and outside and first screw the nut 3 or 4 turns by hand Coat here with ether or ester oil x A m After completing the installation carry out a gas leak inspection of the piping connections with nitrogen and such 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 m installation spacing See figure 6 A Outdoor unit B Indoor unit Gas piping D Liquid pip
26. g see unit name plate 2 additional refrigerant kg amount charged in the 2 field 4 kg 3 S J 6 5 total refrigerant charge Contains fluorinated gases covered by the Kyoto Protocol outdoor unit refrigerant cylinder and manifold for charging 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 Additional charging of refrigerant m 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 twin L1 L2 L3 Over 30m please add refrigerant quantity according to following table 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 Connected
27. hinner or gasoline are handled ouch gases may cause fire Where the air contains high levels of salt such as that near the ocean Where voltage fluctuates a lot such as that in factories B in vehicles or vessels Where acidic or alkaline vapour is present BEFORE INSTALLATION Since maximum working pressure is 4 0 MPa or 40 bar pipes of larger wall thickness may be required Refer to paragraph Selection of piping material on page 5 Precautions for connecting wire at least 1 meter away from televisions B The refrigerant requires strict cautions for keeping the system or radios to prevent image interference or noise 0 ay To Depending on the radio waves a distance of 1 meter cna ae may not be sufficient to eliminate the noise Foreign materials including mineral oils or moisture should be prevented from getting mixed into the system m Do not rinse the outdoor unit This may cause electric Tight shocks or fire Read Precautions on refrigerant piping on page 6 carefully and follow these procedures correctly Since R410A is a mixed refrigerant the required additional refrigerant must be charged in its liquid state If the refrigerant is in state of gas its composition changes and the system will not work properly m The connected indoor units must be indoor units designed exclusively for R410A Installation For installation of the indoor unit s refer t
28. icate the factory setting For details refer to the service manual ATPSATP C neis Printed circuit board A Thermistor suction pipe 51 854 Push button switch PAT e Thermistor coil Ss zl M Thermistor coil middle DIP switch PR Thermistor liquid zal PP Crankcase heater kandanane aan Thermistor fin FTU Fuse Signal receiver circuit 1 Service monitor green SINPH Pressure sensor high H1P H7P A2P Service monitor orange switch high A Magnetic relay Y1S Signal transmission circuit KAN NONEM Magnetic relay E1HC ADLER Power module K10R K11H Magnetic relay V2R VBR module LOW wr Reactor Lap rm Insulated gate bipolar transistor Motor PA SO Terminal strip M1F M2F Motor fan TONNEN RN Connector option oia Power circuit valve CUI maes Earth leakage breaker field supply b PM 4 way valve nibil Resistor Noise filter EID s dou Thermistor air ZIFRA F soient Noise filter Thermistor discharge RZQS71 140C7V1B DAIKIN Installation manual Split System air conditioners 4PW40416 1 Copyright Daikin DAIKIN EUROPE N V Zandvoordestraat 300 8400 Oostende Belgium 4PW4
29. ing E Oiltrap H Install trap at each difference in height of 10 m m trap is not necessary when the outdoor unit is installed in a higher position than the indoor unit Cautions for brazing m Be sure to carry out a nitrogen blow when brazing 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 B 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 3 4 5 nm 25 gt Refrigerant piping Part to be brazed Taping Hands valve Pressure reducing valve a A Q N EVACUATING m Do not purge the air with refrigerants Use a vacuum pump to vacuum the installation No additional refrigerant is provided for air purging m 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 m Confirm that the valves are firmly closed before leak test or vacuuming Set up for vacuuming and leak test see figure 8 gt Pair
30. ion 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 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 a
31. le L1 L2 s m 50 m 70 m e Double twin L1 L2 standard 40 m L4 Maximum allowable piping length Twin L1 L2 L3 30m Triple L1 L2 L3 _ 90m L4 50 m Double twin L1 L2 L3 L4 L5 L6 L7 Maximum branch piping length Twin and triple L2 Doubletwin L2 L4 am Maximum difference between branch lengths Twin L2 L3 10m 10m Triple L2 L4 Double twin e 12 13 10 e L4 L5 e L6 L7 e L2 L4 L3 L7 Maximum height Maximum height Twin triple and H2 double twin em Chargeless length All L1 L2 L3 L4 L5 L6 standard lt 30 m L7 a Parenthesized figure represents the equivalent length PRECAUTIONS ON REFRIGERANT PIPING m Do not allow anything other than the designated refrigerant to get mixed into the freezing cycle such as air etc any refrigerant gas leaks while working on the unit ventilate the room thoroughly right away m Use R410A only when adding refrigerant Installation tools Make sure to use installation tools gauge manifold charge hose etc that are exclusively used for 410 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
32. lues 6 Only in protected pipes use HO7RN F when protected pipes are not used NOTE The earth leakage breaker must be a high speed type m breaker of 30 mA 0 1 s TEST OPERATION 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 Wm required power input may be higher than stated on the nameplate of the unit This phenomenon originates from the compressor that needs elapse of a 50 hours run in period before reaching smooth operation and stable power consumption Pre run checks Electrical wiring 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 Is the unit properly grounded Is the wiring between units connected in series correct Are any of the wiring attachment screws loose Is the insulation resistance at least 1 Use a 500 V mega tester when measuring insulation not use a mega tester for low voltage circuits Refrigerant piping B sthe size of the piping appropriate s the insulation material for the piping attached securely Are both the liquid and gas pipes insulated Are the stop valves for both the liquid side and the gas side open Extra refrigerant m Did you
33. ly INSTALLATION SERVICING SPACE The numerical figures used in here represent the dimensions for the 71 100 125 140 class models Figures between indicate the dimensions for the 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 y Suction side obstacle 4 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 In these cases only 2 Right side obstacle units can be installed This situation is not allowed y gt 2 4 Top side obstacle B In case of stacked installation 1 Incase 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 C In case of multiple row installation for roof top use etc 1 In case of installing one unit per row gt 50 100 1000 2000 lt gt 00 DAIKIN RZQS71 140C7V1B Split System air conditioners 4PW40416 1 Installation manual 2 n case of installing multiple units 2 units or more in lateral connection per ro
34. n 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 CHARGING REFRIGERANT Important information regarding the refrigerant used This product contains fluorinated 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 the additional refrigerant amount charged in the field and B 2 0 the total refrigerant charge on the refrigerant charge label supplied with the product 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 liquid and gas pipes by using a vacuum pump for more than 2 hours and bring the system to 100 7 kPa 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 The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the service cover 4 j LU Contains fluorinated gases covered by the Kyoto Protocol 4 1 facto ry refrigerant charge of the product RATIOA k
35. o the indoor unit installation manual B llustrations show class 125 outdoor unit type Other types also follow this installation manual his outdoor unit requires the pipe branching kit optional when used as the outdoor unit for the simultaneous operation system Refer to catalogues for details 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 B When closing the service panels take care that the tightening torque does not exceed 4 1 N m RZQS71 140C7V1B DAIKIN Installation manual Split System air conditioners 4PW40416 1 Accessories 2 When installing the unit in a place exposed to strong wind pay special attention to the following Check if the following accessories are included with the unit 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 Clamp 2 SE When a strong wind blows continuously on the face of the gt unit the fan can start rotating very fast until it breaks Refer to the figures for installation of this
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37. sysiem Simultaneous operation sysiem Pressure gauge Nitrogen Refrigerant Weighing machine Vacuum pump Stop valve Main pipe Branched pipes DAN bb WO ND DW Pipe branching kit optional RZQS71 140C7V1B Split System air conditioners 4PW40416 1 DAIKIN Installation manual Procedure for leak test Leak test must satisfy EN378 2 1 Evacuate the pipes and check vacuum No pressure increase for 1 minute 2 Break the vacuum with a minimum of 2 bar of nitrogen Never pressurize more than 4 0 MPa 3 Conduct leak test by applying soap water etc to the connecting part of the pipes 4 Discharge nitrogen 5 Evacuate and check vacuum again 6 If the vacuum gauge no longer rises the stop valves can be opened 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 1 hour 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 happe
38. t 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 m For cooling operation under low ambient temperature or any other operation under low pressure apply silicon pad or similar to prevent freezing 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 m 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 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 Closing direction A Liquid side B Gas side 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 N After operating the valve be sure to tighten the valve cover properly Liquid pipe 13 5 16 5 Nem 22 5 27 5 Gas m Check for refrigerant leakage after tightening the cap Cautions for handling service port m 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 tigh
39. ten the valve cover in place Tightening torque 11 5 13 9 Nem 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 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 B 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 sealing material B iif the 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 Installation manual DAIKIN RZQS71 140C7V1B Split System air conditioners 4PW40416 1 m Be sure to insulate the liquid and gas side field piping and the refrigerant branch kit KR Any exposed piping may cause condensation or burns if touched 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 Compressor Terminal cover Indoor and outdoor field piping Corking etc Insulation material Bolts Be care
40. 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 opened Turn on the power supply and carry out pumping down operation according to the following procedure Pump down operation Procedure Precaution 1 Make sure that stop valves both on liquid and on gas side are open Push the BS4 pumping down operation button on the PC board of the outdoor unit 8 seconds Compressor and outdoor fan will start operation automatically The indoor unit fan may automatically start running Please pay attention to this 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 5 Once compressor operation stops after 2 to 5 minutes close the stop valve on the gas side securely See How to use the stop valve on page 7 Turn off the power supply 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 closed during compressor operation pumping down operation cannot be executed 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
41. th 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 Tie wrap Wiring between units a WO N Power supply and ground wiring 1 Power supply wiring and earth wire 2 Wiring between unit m 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 7 Wire Bush Nut Frame Hose Inside Outside N gt oc OD 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 the wires m Follow the electric wiring diagram for electrical wiring works m Form the wires and fix the cover firmly so that the cover may be fit in properly DAIKIN Installation manual RZQS71 140C7V1B Split System air conditioners 4PW40416 1 Precautions on wiring of power supply and inter unit wiring m 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 CD 3 Cup washer 1 23 Do not connect wires of different gauge to the same power supply terminal Looseness in th
42. 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 Water pipe Hard vinyl tubes are not effective grounds m Lightning conductor or telephone ground wire Electric potential may rise abnormally if struck by lightning m 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 condensation Improper drain piping may cause water leakage and make the furnitures get wet m Install the indoor and outdoor units power wire and CAUTION m Do not install the air conditioner in places such as the following m Where there is mist of mineral oil oil spray or vapour for example a kitchen Plastic parts may deteriorate and cause 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 Where there is machinery which emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malfunction of the equipment Where flammable gases may leak where carbon fiber or ignitable dust is suspended in the air or where volatile flammables such as t
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45. ving 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 and outdoor unit between outdoor unit and indoor units between indoor unit and remote controller B he fuse on the outdoor unit PCB may have run out m lftheremote controller shows 3 EY L as an error code there is a possibility that either the stop valves are closed or that air inlet or air outlet are blocked B iif the error code LZ displayed on the remote controller check for voltage imbalance ILI if the error code 28 or UF is displayed on the remote controller check the inter unit branch wiring connection np qu m if the error code 77 is displayed on the remote controller it is possible that air inlet or air outlet are blocked The reversed phase protection detector
46. w Relation of dimensions of H A and Lare shown in the table below L A O lt L lt 1 2H 150 250 1 2H lt L 200 300 H lt L Installation impossible REFRIGERANT PIPE SIZE AND ALLOWABLE PIPE LENGTH A All field piping must be installed by a licensed refrigeration technician and must comply with relevant local and national regulations To persons in charge of piping work sure to open the stop valve after piping installing and vacuuming is complete Running the system with the valve closed may break the compressor 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 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 Selection of piping material Construction material 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 piping should comply with relevant local and national regulations The minimal pipe thickness for R410A piping must be in accordance with the table below grad
47. yiiqesuodsei ejnes es snos C4 0 3st uwugsaq Bunepy13 eseip eyejeDeuuy gep BunuomqueJeA auae aulas uea Ca v0 sajejal SIU YOIYM 0 Buiuonipuoo eui jriqisuodsei ajos sy apun 85 10 NN adong ulyieg DiH3ASLILIWHO3NOO 39 3L HO3NO2 3Q NOILVuV 1930 39 ONNYY DIH3SLV 39 ALIIW8BO3NO2730 NOILVUV 1980 39 SHZU0OdOWINAS 39 VLIAHO3NO2 Id 3NOIZVUVIHOIG 39 QVGINYOINOO AG NOIVEV 1930 39 DAIKIN RZQS71C7V1B RZQS100C7V1B RZQS125C7V1B RZQS140C7V1B CONTENTS Page Safety ConSIderallOriS cao cou icon due ue 1 Bet IS al AU OM 2 Selecting IS ANAM ON SILC rs 3 Precautions on installation cea ido ad adi RR UR REIS cana 4 Installation Servicing Space toot hes anana nenen recie 4 Refrigerant pipe size and allowable pipe length 5 Precautions on refrigerant piping 6 Fe PIS BAN QUORUM 6 mim as NATA AT KANA 8 Charging PEO SL 9 WO Nasa it 11 Test OPE Mac 12 Disposal cido roll 13 UA e CIP TNT 14 Split System air conditioners Installation manual A READ THESE INSTRUCTIONS CAREFULLY BEFORE
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