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SiE33-003

Points to Bear in Mind at the System Design

General Information

2.2

The Installation is of Vital Importance

The analysis of major installation problems experienced during the year of 1988 is shown below;

How these installation problems affect an equipment are shown below:

Si33-003.book Page 7 Monday, June 25, 2001 9:06 AM

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Содержание VRV Plus Series

Страница 1: ...Outline 56 4 2 Operation When Power is Turned On 58 4 3 Outdoor Unit PC Board Ass y 59 4 4 Setting Modes 61 4 5 Cool Heat Mode Selection 68 4 6 Low Noise Operation 73 4 7 Demand Control 74 4 8 Sequent...

Страница 2: ...37 6 3 Connecting the Refrigerant Piping 138 6 4 Leak Test and Vacuum Drying 143 6 5 Pipe Insulation 144 6 6 Additional Refrigerant Charge 145 7 Field Wiring 147 7 1 Field Wiring 147 7 2 Internal Wiri...

Страница 3: ...Guideline 181 8 Temperature pressure Conversion Table for New Refrigerants 182 8 1 Pressure and Temperature 182 9 Measures to Take in the Case of Gas Leaks 183 9 1 Gas Shortage 183 9 2 Measure for Gas...

Страница 4: ...SiE33 003 iv Table of Contents Si33 003 book Page iv Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 5: ...rned On 58 4 3 Outdoor Unit PC Board Ass y 59 4 4 Setting Modes 61 4 5 Cool Heat Mode Selection 68 4 6 Low Noise Operation 73 4 7 Demand Control 74 4 8 Sequential Start 75 4 9 Wiring Check Operation 7...

Страница 6: ...w model Model change Continued model Type P20 Type P25 Type P32 Type P40 Type P50 Type P63 Type P80 Type P100 Type P125 Type P200 Type P250 Ceiling mounted cassette type Multi flow type Double flow ty...

Страница 7: ...bons and dinitrogen monoxide have similar characteristics When the amounts of these gases in the atmosphere increase heat that normally escapes through the atmosphere remains near the earth s surface...

Страница 8: ...e mode for reduced operating sound 20HP 30HP Pipe connecting locations 14 joints 6 joints 20 joints 6 joints 20HP 30HP Conventional system Function unit less system 11 6 reduction 13 7 reduction V0803...

Страница 9: ...d series Equivalent output 26HP 28HP 30HP R 407C VRV PLUS series system model RSXYP26KJ RSXYP28KJ RSXYP30KJ Outdoor unit combination Main unit RXYP16KJ RXYP20KJ RXYP20KJ Sub unit RXEP10KJ RXEP8KJ RXEP...

Страница 10: ...minimum Piping should be kept within permissible limits in terms of length and height difference 2 Positioning of outdoor unit Position such that maintenance and repairs can be carried out leave room...

Страница 11: ...he Installation is of Vital Importance The analysis of major installation problems experienced during the year of 1988 is shown below How these installation problems affect an equipment are shown belo...

Страница 12: ...rol panel boundary work on areas such as connection of drain piping and humidification supply piping inspection and foundation 2 Keep a constant check on the progress of the construction work to avoid...

Страница 13: ...4 Have you indicated the size and location of the ceiling inspection ports Make sure there no other installations in the area above 5 Have you taken into account the depth of the installation area In...

Страница 14: ...ontrols group or individual control 7 Assign central group Nos if using centralized control 8 Add field settings and optional equipment for indoor units 9 Add unit No if making separate field settings...

Страница 15: ...mber should be inserted into the diagram RSXYP16K Insert name of refrigerant system PAC1 PAC2 Insert name of indoor unit FXYCP32K C32K Insert system name of indoor unit Insert installation position Do...

Страница 16: ...Installation Procedure The above list indicates the order in which the individual work operations are normally carried out but this order may be varied where local conditions warrant such a change Si3...

Страница 17: ...ention should be paid to the construction of the beam themselves since there are sometimes parts of the beam which cannot be used to accommodate through holes Example Through holes in a reinforced con...

Страница 18: ...pport the weight of the indoor unit 2 Optional features must be added to the indoor unit prior to installation 3 The model name should be checked prior to installation 4 Take care to align the main un...

Страница 19: ...oblem Cause of problem l Rainwater work water etc gets into pipes from outside l Moisture generated inside pipes due to condensation l Formation of oxides inside pipes during soldering l Dirt dust or...

Страница 20: ...ious members of the system such as valves or compressors and the system ceases to function properly In order to avoid this problem nitrogen is passed through the pipes while the soldering work is bein...

Страница 21: ...m of work 1 Pinching method The end of the copper pipe is squeezed together and the gap brazed 2 Taping method The end of the copper pipe is covered with PVC tape vinyl tape Taping method Particular c...

Страница 22: ...n carries the risk of explosions 2 Connect the charge hose from the pressure regulator to the service port on the liquid pipe side of the outdoor unit 3 Fit blanking plugs to all indoor units B other...

Страница 23: ...the requirements of the JIS standard or equivalent Size material thickness etc Specification Oxidized phosphorous seamless copper pipe Long pipe lengths or coiled pipe copper pipe with heat insulation...

Страница 24: ...ng the nozzle tip If a small nozzle tip is used for brazing piping of large diameters such as 38 1 and 44 5 brazing flow becomes poor Table 1 Correlation of nozzle tip and size of refrigeration piping...

Страница 25: ...gen replacement method when brazing Important points 1 Every effort must be made to avoid fire Clean area where brazing is to be performed and make sure that fire fighting equipment and water are read...

Страница 26: ...t passes smoothly preventing the pipe from twisting Do not use SUNISO 4GS oil Important points 1 Burrs should be carefully removed 2 2 spanners should be used to grip the pipe 3 The flare nut must be...

Страница 27: ...SiE33 003 Installation General Information 23 Flaring Procedure Si33 003 book Page 23 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 28: ...on tightening the flare nut with a spanner there is a point where the tightening torque suddenly increases From that position further tighten the flare nut the angle shown below Pipe size Further tig...

Страница 29: ...oil should be used to coat the flange i e free from dirt or water 2 The correct amount of torque should be applied when tightening the flange bolts Standard torques for tightening screws and bolts IS...

Страница 30: ...asions when the gas and liquid pipes also need to be thermally insulated Important points 1 The thickness of the thermal insulation material must be determined in the light of the pipe sizes 2 It will...

Страница 31: ...ops then the leak must be located See following page However if there is a change in the ambient temperature between the pressurizing stage and the time when you check for a drop in pressure then you...

Страница 32: ...the nitrogen until the pressure reaches 0 3MPa 2 Increase pressure to 1 5MPa using gaseous flon gas R 407C Nitrogen and flon gas mixed 3 Search for the source of the leak using a detector such as a ha...

Страница 33: ...air conditioner piping provides the following effects 1 Vacuum drying 2 Removes air and nitrogen used in air tightness test from the inside of pipes Therfore it is necessary to ensure that the both p...

Страница 34: ...y of 20 30 l min usually take an extremely long time to achieve vacuum We recommend a vacuum pump of approx 60 100 l min 2 Degree of vacuum Ultimate vacuum varies largely according to use of the vacuu...

Страница 35: ...gree of vacuum of the vacuum pump 4 Calibration method 1 Connect a Pirani vacuum gauge and the gauge manifold vacuum gauge 0 76 cmHg to the vacuum pump at the same time and run the pump for about 3 mi...

Страница 36: ...s the vacuum has not reached 5 mmHg then check the system for a leak 2 Carry out maintained vacuum test Produce a vacuum in excess of 755 mmHg and do not release it for an hour or more Check the vacuu...

Страница 37: ...Use nitrogen to raise pressure to 0 05MPa Since the nitrogen gas used to break the vacuum is dry nitrogen this process serves only to enhance the overall drying effect of the vacuum drying operation...

Страница 38: ...he test run Refrigerant Charging Instructions HFC407C are non azeotropic refrigerants Therefore these refrigerants must be charged in the liquid state When charging the refrigerant into equipment from...

Страница 39: ...to equipment in the gaseous state the refrigerant components that evaporate sooner than others enter the equipment and the refrigerant that evaporate after others remain in the refrigerant cylinder Ca...

Страница 40: ...supports for horizontal piping c The lenght of pipe laid horizontally should be kept to a minimum Drain Trap Fit any indoor unit whose drain pipe connection is subjected to negative pressure with a dr...

Страница 41: ...ithout difficulty and prevents any undue strain being placed on the drain pan Important points 1 The drain pipe should be at least equal in size to that of the indoor unit 2 The drain pipe is thermall...

Страница 42: ...ter the convergence point 2 Relationship between riser diameter and allowable drainage for extended ventilation system Notes Allowed flow rate figures below the decimal have been discarded Use VP30 or...

Страница 43: ...5 m Use the attached drain hose and clamp metal Insert the drain hose into the drain socket up to the white tape Tighten the clamp until the screw head is less than 4 mm from the hose Wrap the attach...

Страница 44: ...n The indoor unit fan and drain pump will start up Check that the water has drained from the unit Press to go back to the first mode You can check whether drainage is satisfactory or not by removing t...

Страница 45: ...he building PRECAUTIONS FOR DRAIN RAISING PIPING Install the drain raising pipes at a height of less than 530 mm Install the drain raising pipes at a right angle to the indoor unit and no more than 30...

Страница 46: ...indoor unit fan and drain pump will start up Check that the water has drained from the unit Press to go back to the first mode Note that the fan also starts rotating FXYKP ceiling mounted corner cass...

Страница 47: ...1 1 5 m Use the following outline if laying central drain piping Drain raising pipe laying procedure 1 Connect the drain raising pipe and drain hose and fasten with a clamp 2 Mount the drain pipe insu...

Страница 48: ...ainage flow during COOL running explained under TEST OPERATION WHEN ELECTRIC WIRING WORK IS NOT FINISHED Remove the electric parts box lid connect a power supply and remote control to the terminals Ne...

Страница 49: ...ing If the drain hose cannot be sufficiently set on a slope fit the hose with drain raising piping as shown in the drawing HOW TO INSTALL PIPING 1 Connect the drain hose to the drain raising pipes and...

Страница 50: ...S NOT FINISHED Remove the electric parts box lid connect a power supply and remote control to the terminals Next press the inspection test operation button on the remote control The unit will engage t...

Страница 51: ...ommodate 2 cables simultaneously if the cables are larger than 1 25 mm c For multi core cable The greater play between wires the more the transmitted wave is distorted and transmission destabilized d...

Страница 52: ...of the said motor or piece of apparatus but it must also included all special characteristics or applications Note The rated current for package air conditioners which use special purpose built in co...

Страница 53: ...into account when grouping various cables together for introduction into the conduits 1 Power cables including power supply to the air conditioner and signal cables must not be laid inside the same co...

Страница 54: ...en into account when choosing air suction and distribution grills in order to keep wind noise to minimum Important points 1 The air discharge duct must be thermally insulated 2 The canvas duct on the...

Страница 55: ...4 A drainage channel should be made around the foundation to cater for waste water around the machinery 5 When installing a unit on the roof be sure to check the strength of the roof and pay special a...

Страница 56: ...s are attached to the front side of a single compressor Caution Install the unit securely in case of earthquake an typhoon cyclone hurricane or other strong wind The unit may topple or cause another a...

Страница 57: ...t of the pipework can sometimes cause considerable difficulties if the compressor needs to be changed Prevention of Short Circuits The unit must be installed in a well ventilated area otherwise short...

Страница 58: ...discharge air A snow hood is available from Daikin as an optional accessories so please make use of it where necessary 2 The unit should be oriented in such a way as to prevent the air heat exchanger...

Страница 59: ...disturb anyone 7 Make sure that the air inlet and outlet of the unit are not positioned towards the main wind direction Frontal wind will disturb the operation of the unit If necessary use a windscre...

Страница 60: ...nce of thermal insulation Measurement of main power circuit insulation Addition or replenishment of refrigerant as needed Fully open respective stop valves on liquid gas Use a 500V megar tester Be sur...

Страница 61: ...ode in order to prevent liquid from backing up To enter the test operation mode push the inspection test operation button of the indoor unit remote control 4 times Push once more to return to the norm...

Страница 62: ...aster power Outdoor unit Warning lamp H2P lights Test lamp H2P blinks Can also be set during operation described above Indoor unit If ON button is pushed during operation described above the operation...

Страница 63: ...SiE33 003 Test Operation General Information 59 4 3 Outdoor Unit PC Board Ass y Outdoor Unit Si33 003 book Page 59 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 64: ...oling and heating 5 Outdoor unit Capacity setting switch Switches for capacity setting when the outdoor unit PC board is replaced to spare parts PC board Refer table below HAP LED A SERV MON V0836 C H...

Страница 65: ...elect SEQ START L N O P IND MASTER SLAVE MODE BS1 SET BS2 RETURN BS3 WIRING CHECK BS4 RESET BS5 H1P H2P H3P H4P H5P H6P H7P IN D UNIT OUT D UNIT C H SELECT SS1 Used to rearrange the addresses in modif...

Страница 66: ...ct setting items with the operation button Press the RETURN button Press the RETURN button Press the RETURN button Contents displayed Select cool heat run with the operation button Select low noise ru...

Страница 67: ...tart MODE TEST L N O P SEQ IND MASTER SLAVE START H1P H2P H3P H4P H5P H6P H7P SET MODE TEST L N O P SEQ IND MASTER SLAVE START H1P H2P H3P H4P H5P H6P H7P C H SELECT SET MODE TEST L N O P SEQ IND MAST...

Страница 68: ...ndoor unit forced operation Frequency fix TE setting TC setting Note 1 Defrost setting Note 1 Air NET address Description Emergency operation when inverter type outdoor unit malfunctions Address for c...

Страница 69: ...Indoor unit forced operation 5 S Frequency fix Normal operation Fixes compressor frequency INV 60Hz OFF STD 1 ON OFF STD 2 ON OFF Frequency fix 6 S Address 0 Binary number 1 6 digits 2 31 Address for...

Страница 70: ...erature setting for defrost Quick defrost Normal factory set Slow defrost EMG emergency operation when malfunction occurs ON OF Push the SET button and match with the LEDs No 1 15 push the RETURN butt...

Страница 71: ...of connected zone units excluding outdoor and BS units 0 63 units Lower 6 digits No 8 Number of outdoor units 0 63 units Lower 6 digits No 9 Number of BS units 0 128 units Lower 4 digits upper No 10...

Страница 72: ...unit remote control 4 Setting of cool heat by outdoor unit system group in accordance with group master outdoor unit by cool heat selector Each of these setting methods is explained in detail below Fo...

Страница 73: ...r Unit System by Cool Heat Selector Doesn t matter whether or not there is outdoor outdoor unit wiring Set SS1 of the outdoor unit PC board to OUT D UNIT In setting mode 1 set cool heat selection to I...

Страница 74: ...it you want to give cool heat selection permission to as the group master and set the other outdoor units as group slave units Set SS1 of the External control adaptor for outdoor unit to BOTH factory...

Страница 75: ...r unit group slave No 0 Outdoor unit group slave No 0 Cool heat group address llllll DS2 DS1 Adaptor PCB No 1 Outdoor unit group master No 1 Outdoor unit group slave No 1 Cool heat group address lllll...

Страница 76: ...ion SiE33 003 72 General Information Setting Method 1 5 3 and 1 5 4 address setting method combine lower 5 digits as binary number Si33 003 book Page 72 Monday June 25 2001 9 06 AM http splitoff ru te...

Страница 77: ...et low noise operation to ON Setting mode 2 Match low noise operation and demand control address with address of outdoor unit external control adaptor 2 Outdoor unit external control adaptor setting F...

Страница 78: ...Set low noise operation to ON Setting mode 2 Match low noise operation and demand control address with address of outdoor unit external control adaptor 2 Outdoor unit external control adaptor setting...

Страница 79: ...e than 1 compressor are to be started at the same time Improved wiring system enables sequential start of up to 10 outdoor units If you want to carry out sequential start connect outdoor unit outdoor...

Страница 80: ...ights and goes off when finished If TEST H2P flickers wiring check operation failure push and hold the RESET button BS5 for 5 seconds and then repeat the procedure from the beginning 3 About 1 minute...

Страница 81: ...ional refrigerant charge operation the operation stops 5 Disconnect the refrigerant charge hose then fully open the liquid side stop valve In service mode 1 press the MODE button for 5 seconds to ente...

Страница 82: ...rant recovery 5 Cancel the setting in the setting mode or cancel the mode by conducting power reset of the outdoor unit In service mode 1 press the MODE button for 5 seconds to enter service mode 2 8...

Страница 83: ...ntrol and you want to set by each individual indoor unit when mode No 20 21 22 23 25 has been selected push the time mode button and select the indoor unit No to be set Note This operation is not requ...

Страница 84: ...tton and choose the Unit No to set This step is not necessary in all group unit setting 4 Press the UP button to select a Setting Switch No 5 Press the DOWN button to select a Setting Position No 6 Pr...

Страница 85: ...nd code No 5 Push the timer button and check the settings 6 Push the button to return to the normal mode BRC7C type 1 When in the normal mode push the button for 4 seconds or more and operation then e...

Страница 86: ...sign is not to be displayed Display Do not Display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Indoor Unit Turned ON by Thermostat Operation Output M...

Страница 87: ...time setting Approx 2500 hr Approx 1250 hr No counting 2 Pre cool pre heat On Off setting Off On 3 Pre cool pre heat time min setting 30 min 45 min 60 min 4 Fan speed initial setting Normal Ultra High...

Страница 88: ...selected by the switch for setting each address 5 Push the timer button to define the selected group No 6 Push the button to return to the normal mode Even if not using a remote control connect the re...

Страница 89: ...nit for calculating cost etc set the mode No to 30 Caution When turning the power supply on the unit may ofen not accept any operation while 88 is displaying after all indications were displayed once...

Страница 90: ...by remote control if not using a remote control Operation by timer is impossible in this case 1 Factory setting ON by remote control Unified ON by central remote control OFF by remote control Unified...

Страница 91: ...SiE33 003 Test Operation General Information 87 Si33 003 book Page 87 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 92: ...e local applicable regulations and standards 5 1 2 Maximum Concentration Level The maximum charge of refrigerant and the calculation of the maximum concentration of refrigerant is directly related to...

Страница 93: ...ting the refrigerant density using the results of the calculations in steps 1 and 2 above If the result of the above calculation exceeds the maximum concentration level then make similar calculations...

Страница 94: ...necessary to revise the system design to some extent or else take one of the following courses of action Action 1 Making openings which will allow the air to flow freely into the room Make openings ab...

Страница 95: ...notice board as this information will be required for servicing the system c Explain to the customer how to operate the equipment and let him try it d Assemble all the relevant diagrams and other pri...

Страница 96: ...lass Saroncross finish Average Absorbed Sound Room with Approx 50 m Floor Area 0 05 0 12 0 25 Typical office Estimated value to be added to catalogue value 11 12 8 8 5 5 6 Classification Environment E...

Страница 97: ...1 3 Calculating Operating Noise When two or more units are running at the same time the amount of operating noise they produce rises The total amount of noise produced can be obtained ahead of time wi...

Страница 98: ...n first branch and the farthest indoor unit 40 m 4 Level difference between indoor units 15 m 5 Level difference between indoor and outdoor unit 50 m Level difference is lower than 40 m when outdoor u...

Страница 99: ...8 Cooling Capacity 19 CWB kW 2 2 2 8 3 6 4 5 5 6 7 1 9 0 11 2 14 0 22 4 28 0 Heating Capacity kcal h 2 200 2 800 3 400 4 300 5 400 6 900 8 600 10 800 13 800 21 500 27 000 Btu h 8 500 10 900 13 600 17...

Страница 100: ...24K 19 1 t1 0 41 3 t1 7 RXYP26 30K 22 2 t1 2 41 3 t1 7 Total Capacity Index of Indoor Unit after Branch Pipe Size out dia min wall thickness Liquid Pipe Gas Pipe Below 100 9 5 t0 8 15 9 t1 0 100 to be...

Страница 101: ...ultaneously 5 You don t have to replenish refrigerant for each system You must check if the system need additional refrigerant charge before proceeding 6 Be sure to record the amount of refrigerant ad...

Страница 102: ...needed for aftercare service Piping Size Refrigerant Amount kg 22 2 0 39 19 1 0 28 15 9 0 19 12 7 0 12 9 5 0 06 6 4 0 023 Indoor unit model number 1 2 3 4 5 6 7 8 Location Indoor unit model number 9 1...

Страница 103: ...length of liquid line piping 9 5 0 RSXYP16 18 24 28 0 4 RSXYP30 0 6 RSXYP26 0 8 RSXYP20 V1144 H3 H1 H2 C D E F G B A a b c d e f g p n m l k j i h 8 7 6 5 4 3 2 1 Outdoor unit REFNET joint A G Indoor...

Страница 104: ...s for VRV R 407C PLUS Series 7 5 1 REFNET JOINT for Cooling Only and Heat Pump System KHRP26K11T less than 100 KHRP26K17T 100 or more KHRP26K18T 100 or more 160 KHRP26K37T 160 or more 330 Si33 003 boo...

Страница 105: ...EADER for Cooling Only and Heat Pump System KHRP26K40T 330 or more 640 KHRP26K75T 640 or more KHRP26K11H 4 branch fitting less than 100 KHRP26K17H 8 branch fitting 100 or more Si33 003 book Page 101 M...

Страница 106: ...al Information KHRP26K18H 6 branch fitting 100 or more 160 KHRP26K37H 8 branch fitting 160 or more 330 KHRP26K40H 8 branch fitting 330 or more 640 Si33 003 book Page 102 Monday June 25 2001 9 06 AM ht...

Страница 107: ...RP26K40T Gas pipe KHRP26K40HP KHRP26K40H Gas pipe KHRP26K75TP KHRP26K75T Gas pipe V1071 V1072 V1073 The figure and size of pipe size reducers are as followings Pipe size reducer 1 Pipe size reducer 2...

Страница 108: ...ing KHF30A30U Gas side piping Insulation material 2pcs Liquid side piping Gas side piping Insulation material 2pcs Gas side piping Liquid side piping Charge port V1078 100 Adhesive Slit PVC cover V108...

Страница 109: ...header If the selected field pipe differs from the branch pipe in size cut the connection with a pipe cutter as shown below Fit a stop end on all open branch pipe connections not in use Install the br...

Страница 110: ...10 11 12 13 14 15 16 Installation Model Unit No Group No No 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Installation Model Unit No Group No C H SELECT setting mode 1 Tc IND H M L C H SELECT settin...

Страница 111: ...Room 17 G NG Room 21 G NG Room 25 G NG Room 29 G NG Room 2 G NG Room 6 G NG Room 10 G NG Room 14 G NG Room 18 G NG Room 22 G NG Room 26 G NG Room 30 G NG Room 3 G NG Room 7 G NG Room 11 G NG Room 15 G...

Страница 112: ...Visual inspection Listening Clamp meter Thermometer Thermometer Pressure gauge Pressure gauge Clamp meter Clamp meter Thermometer Thermometer Touch Visual inspection Listening Clamp meter Thermometer...

Страница 113: ...C Room10 C Room14 C Room18 C Room22 C Room26 C Room30 C Room 3 C Room 7 C Room11 C Room15 C Room19 C Room23 C Room27 C Room31 C Room 4 C Room 8 C Room12 C Room16 C Room20 C Room24 C Room28 C Room32 C...

Страница 114: ...33 003 110 General Information 7 7 Piping System Diagrams 7 7 1 Indoor Unit FXYCP FXYFP FXYKP FXYSP FXYMP FXYHP FXYAP FXYLP FXYLMP Si33 003 book Page 110 Monday June 25 2001 9 06 AM http splitoff ru t...

Страница 115: ...SiE33 003 Appendix General Information 111 7 7 2 Outdoor Unit RSXYP16 18 20KJY1 3D024909 Si33 003 book Page 111 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 116: ...Appendix SiE33 003 112 General Information RSXYP24 26 28 30KJY1 3D024910 Si33 003 book Page 112 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 117: ...SiE33 003 Appendix General Information 113 7 8 Wiring Diagram 7 8 1 Outdoor Unit RSXYP16 18 20KJY1 3D024953B Si33 003 book Page 113 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 118: ...Appendix SiE33 003 114 General Information RSXYP24 26 28 30KJY1 3D024954B Si33 003 book Page 114 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 119: ...ore cable has been used for at least part of the interconnecting wiring between the remote control and the indoor units This has resulted in signal interference leading to a transmission malfunction T...

Страница 120: ...air from the indoor unit in heating mode Source of Problem and Remedial Action The connecting cables and the corresponding piping were not correctly matched Recabling was carried out and the fault dis...

Страница 121: ...e a drain trap Reason There is resistance on the air inlet side caused by the heat exchanger and air filter and this in turn creates negative pressure in relation to the atmospheric pressure on the di...

Страница 122: ...in the indoor unit itself Source of Problem and Remedial Action The system was pressurized from the liquid pipe side and the gas pipes were therefore not pressurized The system was then left under pr...

Страница 123: ...horizontally or vertically at an angle of exactly 90 degrees 2 REFNET header The REFNET header is a lateral flow pipe and should be fitted so as to allow horizontal branch fittings Vertical or sloping...

Страница 124: ...stress on soldered parts Cracks have formed because of repeated expansion and contraction Remedial Action Fit the pipe with a loop as shown in the below drawing Main Points Take thermal expansion and...

Страница 125: ...e transmission wiring between the cool heat selector and the outdoor unit is too close to a high voltage wire An induced voltage is therefore being impressed on the transmission wiring which is causin...

Страница 126: ...d control group number 7 9 9 Example 9 88 cannot be cleared from the central remote control Situation The display on the central remote control does not change from its initial state after turning pow...

Страница 127: ...Unpacking and Placing the Unit 135 6 Refrigerant Piping 136 6 1 Refrigerant Piping 136 6 2 Selection of Piping Material 137 6 3 Connecting the Refrigerant Piping 138 6 4 Leak Test and Vacuum Drying 14...

Страница 128: ...43 8 to 82 1kW and nominal heating capacities ranging from 43 8 to 82 1kW The RSXYP units can be combined with Daikin VRV series indoor units for air conditioning purposes The present installation man...

Страница 129: ...s such as SUNISO oil or moisture should be prevented from getting mixed into the system B Tight R 407C does not contain any chlorine does not destroy the ozone layer and does not reduce the earth s pr...

Страница 130: ...to 32 indoor units can be connected to 1 outdoor unit RSXYP24 26 28 and 30 Make sure to connect indoor units designed exclusively for R 407C FXY P series Refer to the catalogue and or engineering dat...

Страница 131: ...Cooling Heating A Outdoor temperature CDB B Indoor temperature CWB C Outdoor temperature CWB D Indoor temperature CDB Range for continuous operation Range for pull down operation Range for warming up...

Страница 132: ...de Attached Pipe 2 for bottom piping 1 Connection Cable Low Voltage 2 1 Connection Cable High Voltage 2 1 Installation Manual 1 1 Operation Manual 1 1 Tie Wrap 1 11 Gas Side Attached Pipe 2 for connec...

Страница 133: ...on of the refrigerant branch kits you need Piping kit for side and bottom piping are for RSXYP24 26 28 and 30 Refnet Header KHRP26K11H KHRP26K17H KHRP26K18H KHRP26K37H KHRP26K40H Refnet Joint KHRP26K1...

Страница 134: ...7 12 7 12 7 12 7 1 Refer to the engineering data book for the complete list of specifications 2 The nominal cooling capacity is based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB pip...

Страница 135: ...nded Fuses A 45 50 60 60 70 70 70 Compressor Phase 3 3 3 3 3 3 3 Frequency Hz 50 50 50 50 50 50 50 Voltage V 380 415 380 415 380 415 380 415 380 415 380 415 380 415 Nominal Running Current A 25 4 27 8...

Страница 136: ...anual 2 Main Components 2 1 Main Components For main components and function of the main components refer to the Engineering Data Book and service manual Si33 002 Si33 003 book Page 132 Monday June 25...

Страница 137: ...wind direction Frontal wind will disturb the operation of the unit If necessary use a windscreen to block the wind Caution 1 An inverter air conditioner may cause electronic noise generated from AM br...

Страница 138: ...ndle the unit with care Keep the unit upright in order to avoid compressor damage 2 Lift the unit preferably with a crane and 2 belts 1 of at least 8m or 10m RXYP16 20 long 3 When lifting the unit wit...

Страница 139: ...ys from the compressor support as shown in the figure 2 stays per single compressor Tighten the installation bolts firmly again afterwards Caution 1 Prepare a water drainage channel around the foundat...

Страница 140: ...tion tools gauge manifold charge hose etc that are exclusively used for R 407C installations to withstand the pressure and to prevent foreign materials e g mineral oils such as SUNISO and moisture fro...

Страница 141: ...cid deoxidized seamless copper for refrigerant size Determine the proper size referring to chapter Example of connection The wall thickness of the refrigerant piping should comply with relevant local...

Страница 142: ...to prevent it from coming into contact with the casing Notes 1 Front Connection Make sure to close the piping intake hole again after installation work Stop valve cover 2 Side Connection Use a hammer...

Страница 143: ...ct attached pipes and field pipe RSXYP24 26 28 30 The diagram at right shows the opening on the underside for connecting the bottom Note that piping connected with elbow pipes procured locally cannot...

Страница 144: ...oint so that it branches either horizontally or vertically 1 Location to disconnect the V groove part Sub unit 2 Knock out hole Knock out the hole using a hammer etc 1 RXYP8 10 Main unit 2 RXEP8 10 Su...

Страница 145: ...unit A 4 Open the main valve of the nitrogen cylinder and adjust the pressure reducing valve until the pressure becomes 0 5 MPa 5 Make sure that the nitrogen gas is released through the liquid pipe o...

Страница 146: ...e and contamination from mixing into the system Great caution is needed when passing copper tubes through walls 1 Refrigerant piping 2 Location to be brazed 3 Nitrogen 4 Taping 5 Manual valve 6 Regula...

Страница 147: ...break with nitrogen gas and evacuate the system again using the vacuum pump for 1 hour to 100 7kPa vacuum drying If the system cannot be evacuated to 100 7kPa within 2 hours repeat the operation of v...

Страница 148: ...depending on operation conditions e g when performing cooling operation with an outside air temperature of 15 C consider to also make a heat insulation of the liquid side connection piping and refrige...

Страница 149: ...Taking into account following instructions 1 Check that gas and liquid stop valves are closed 2 Stop the compressor and charge the specified weight of refrigerant If the outdoor unit is not in operati...

Страница 150: ...unit 2 RXEP Sub unit 3 Gas side valve 4 Liquid side valve 5 Liquid side 6 Gas side 7 Connecting valve Service port 8 Indoor units 9 R 407C 10 Tank 11 Measuring apparatus 12 Siphon type RSXYP16 18 20...

Страница 151: ...nsed electrician and must comply with relevant local and national regulations The field wiring must be carried out in accordance with the wiring diagrams and the instructions given below Be sure to us...

Страница 152: ...r red A2P SENPL Pressure sensor low HAP Pilotlamp service monitor green A1P 3P S1PH 2PH Pressure switch high INV Inverter TB1 2 Terminal circuit board relay J1HC 2HC Crankcase heater T1R 2R Transforme...

Страница 153: ...3M Terminal strip relay J1HC 3C Crankcase heater Y1E 3E Electronic expansion valve K1M 3M Magnetic contactor M1C 2C 3C Y1R 4 way valve K1R Magnetic relay M11F A1P Y1S Solenoid valve auxiliary condense...

Страница 154: ...r for sequential start refer to chapter Examples For connection wiring to outdoor outdoor transmission F1 F2 outdoor indoor transmission F1 F2 refer to chapter Examples For connection wiring to the ce...

Страница 155: ...ed type 200mA rated residual operating current Note Select the power supply cable in accordance with relevant local and national regulations Phase and Frequency Voltage Recommended Fuses Transmission...

Страница 156: ...s pipes sewage pipes lightning rods or telephone ground wires Gas pipes can explode or catch fire if there is a gas leak Sewage pipes no grounding effect is possible if hard plastic piping is used Tel...

Страница 157: ...n wiring Sheathed cable 1 RXYP8 10 RXEP8 10 2 3 3 4 4 6 5 RSXYP16 18 20 RXYP16 20 RXEP8 10 2 3 4 5 1 3 4 6 RSXYP24 26 28 30 Fig 18 V0869 1 Field power supply 2 Clamp the grounding wire with power supp...

Страница 158: ...75 mm cables 18 Divide the low voltage wire from the high voltage wire using the wire clip on the bottom of the inverter box 19 Always separete the high voltage wiring from the low voltage wiring in t...

Страница 159: ...es No of branches 16 Up to 16 branches are possible for unit to unit cabling No branching is allowed after branching Never connect the power supply to unit to unit cabling terminal block Otherwise the...

Страница 160: ...cool heat selector remote control optional to the A B C terminals and set the cool heat selector switch SS1 on the outdoor unit PC board A1P to OUT D UNIT Caution For low noise operation it is necess...

Страница 161: ...igerant piping Firmly close the lid and arrange the electrical wires so as to prevent the lid or other parts from coming loose 1 RXYP8 10 Main unit 2 RXEP8 10 Sub unit 3 Through slot cover 4 Cut out t...

Страница 162: ...nual according to the wiring diagrams and according to local and national regulations 3 Pipe sizes and pipe insulation Make sure that correct pipe sizes are installed and that the insulation work is p...

Страница 163: ...the upper front panel 2 Set the unit to mode using the cool heat selector heatpump units only or the indoor remote control 3 Press the button 4 times to set the unit to TEST mode operation TEST is dis...

Страница 164: ...Notes Refer to the table at the end of this chapter for tightening torques and dimensions of the flares Be sure to use both a spanner and a torque wrench when connecting or disconnecting pipes to or...

Страница 165: ...increases From that position further tighten the flare nut the angle shown below Pipe Size Tightening Torque N m A mm Flare Shape 6 4 14 2 17 2 8 3 8 7 9 5 32 7 39 9 12 0 12 4 12 7 49 5 60 3 15 4 15 8...

Страница 166: ...s whose wiring has been done incorrectly Use the operation remote control to operate the indoor units and correct the wiring on units which display UF on the remote control 8 2 6 Disposal Requirements...

Страница 167: ...ance to the local applicable regulations and standards 9 1 2 Maximum Concentration Level The maximum charge of refrigerant and the calculation of the maximum concentration of refrigerant is directly r...

Страница 168: ...ting the refrigerant density using the results of the calculations in steps 1 and 2 above If the result of the above calculation exceeds the maximum concentration level then make similar calculations...

Страница 169: ...s Changes Required by New Refrigerants 180 6 1 The Three Basic Rules for Refrigerant Piping Must Be More Strictly Observed 180 7 Operation Guideline 181 7 1 Operation Guideline 181 8 Temperature press...

Страница 170: ...er Refrigerant piping work Cutting pipes Interchangeable Flaring tool Flaring pipes Refrigerant oil Applying on flared spots Specified ether oil ester oil alkyl benzene oil or their mixture to be used...

Страница 171: ...er amount of refrigerant oil over the inner and outer surfaces of each flared section As the refrigerant oil be sure to use synthetic oil ether oil ester oil alkyl benzene oil or their mixture Chargin...

Страница 172: ...g different boiling points 1Mpa Approx 10 19716kgf cm HFC units Units using new refrigerants HCFC units Refrigerant name R 407C R22 Main application Packaged air conditioners Room air conditioners Pac...

Страница 173: ...C begin boiling under the atmospheric pressure 1 atm R 407C R22 Chemical formula CH2F2 C2HF5 CH2FCF3 CHCIF2 Composition mixing ratio wt HFC32 125 134a 23 25 52 Boiling point C 43 6 4 40 8 ODP 1 0 0 05...

Страница 174: ...sure combustibility GWP COP Note R 407C R32 R125 R134a 23 25 52wt When the composition of a refrigerant changes characteristics such as COP and pressure also vary as shown above For example if the per...

Страница 175: ...cm 0 94 0 92 Total acid number mgKOH g 0 01 0 01 Saturated moisture level ppm 2000 100 Volume insulation resistivity cm 3 1013 or less 5 1014 or less Hydrolysis stability range No degradation No degra...

Страница 176: ...nt Cylinders 4 1 Cylinder Specifications The color painted on a cylinder indicates the contained refrigerant type The cylinder valve is equipped with a siphon tube R 407C Brown Color V1110 Si33 003 bo...

Страница 177: ...contained in high pressure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop cylinders let them fall apply impa...

Страница 178: ...ent problems Therefore gauge manifolds and charge hoses that are used with a previous refrigerant R22 cannnot be used for products that use new refrigerants Be sure to use dedicated tools and devices...

Страница 179: ...nifold Charge hose For increased pressure and to prevent mixing of impurities Different gauge scale higher pressure resistance Charging cylinder Previous tool cannot be used due to different refrigera...

Страница 180: ...ine Since HFCs do not contain chlorine new testers detect hydrogen Hydorogen detecting type Applicabe refrigerants R410A R 407C R404A R507AR134a etc 5 Refrigerant oil Air Compal Can be used for HFC an...

Страница 181: ...charging EX Left side of left fig Tasco Japan High accuracy TA101A for 10 kg cylinders 2g TA101B for 20 kg cylinders 5g Equipped with pressure resistant sight glass allow checking of liquid state refr...

Страница 182: ...articles oil etc from outside Insufficient brazing Inadequate flaring or insufficient tightening torque Inadequate flange connection Probrem Clogging of expansion valve capillary tube etc Insufficient...

Страница 183: ...ase change condensation process and evaporation process To diagnose problems using the temperature difference at the inlet and outlet of a heat exchanger take into consideration the temperature differ...

Страница 184: ...ble for New Refrigerants SiE33 003 182 New Refrigerant R 407C 8 Temperature pressure Conversion Table for New Refrigerants 8 1 Pressure and Temperature Si33 003 book Page 182 Monday June 25 2001 9 06...

Страница 185: ...50 C temperature gauge pressure 2 Intermediate pressure between saturation liquid pressure and saturation gas pressure at 0 C temperature gauge pressure Composition change and capacity decrease cause...

Страница 186: ...ed by refrigerant leaks If R 407C refrigerant is added in the exact amount as leaked refrigerant the air conditioner s capacity changes as shown below Example When 50 of refrigerant leaks the capacity...

Страница 187: ...is disconnected with a refrigerant inside the hose may move around violently or refrigerant may shoot out 2 When disconnecting a connection pipe with a refrigerant remaining inside the charge hose Re...

Страница 188: ...erant and oil separate into a two phase state inside the compressor and causes a lack of oil supply to the bearing resulting in inadequate bearing lubrication R410A is higher in pressure than R22 Sinc...

Страница 189: ...onal Pressure Unit New Refrigerant R 407C 187 12 Difference Between Pascal and Conventional Pressure Unit 12 1 Comparison of MPa and kgf cm MPa gauge pressure kgf cm Si33 003 book Page 187 Monday June...

Страница 190: ...c Charts HFC407C SiE33 003 188 New Refrigerant R 407C 13 Thermodynamic Characteristic Charts HFC407C 13 1 Thermodynamic Characteristics of R 407C Si33 003 book Page 188 Monday June 25 2001 9 06 AM htt...

Страница 191: ...SiE33 003 Thermodynamic Characteristic Charts HFC407C New Refrigerant R 407C 189 Si33 003 book Page 189 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 192: ...Thermodynamic Characteristic Charts HFC407C SiE33 003 190 New Refrigerant R 407C Si33 003 book Page 190 Monday June 25 2001 9 06 AM http splitoff ru tehn doc html...

Страница 193: ...19 F Field Line Connection 153 Field Setting 83 Field Wiring 147 Flange Connection 25 Flare Connection 22 Flaring Procedure 23 G Gas Leaks 183 Gas Shortage 183 Grouped Drain Piping 37 H Hand Over to C...

Страница 194: ...Tools 176 Setting Contents 82 Setting Items 64 Setting Mode 1 63 Setting Mode 2 64 Setting Modes 61 Short Circuits 53 Signal interference due to use of multiple core cable 115 Sleeve and Insert Work...

Страница 195: ...Setting of Cool Heat by Individual Outdoor Unit System by Cool Heat Selector 69 Setting of Cool Heat by Individual Outdoor Unit System by Indoor Unit Remote Control 68 Setting of Cool Heat by Outdoor...

Страница 196: ...and slope it downwards 45 WHEN ELECTRIC WIRING WORK IS NOT FINISHED 46 G Gas Shortage 183 H Hand Over to Customer Important Points 91 Make the service contact address clear 91 Operational Steps 91 He...

Страница 197: ...ushbutton Switches 61 Mode Change 61 Mode Changing Procedure 62 Monitor Mode 66 Setting Mode 1 63 Setting Mode 2 64 Setting the Cool Heat Operation 156 Signal interference due to use of multiple core...

Страница 198: ...ning the flare nut with a spanner 161 Wired Remote Control Heat Recovery Ventilation BRC301B61 80 Wired Remote Control BRC1A51 79 Wiring Check Operation 76 Wiring Diagram RSXYP16 18 20KJY1 113 RSXYP24...

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