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Si39-406

Following Symptoms are not Air Conditioner Troubles

Operation Manual

211

7.6

White Mist comes out of a Unit

Indoor unit

When humidity is high during cooling operation.

If the interior of an indoor unit is extremely contaminated, the temperature distribution inside a
room becomes uneven. It is necessary to clean the interior of the indoor unit. Ask your Daikin
dealer for details on cleaning the unit. This operation requires a qualified service person.

Immediately after the cooling operation stops and if the room temperature and humidity
are low.

This is because warm refrigerant gas flows back into the indoor unit and generates steam.

Indoor unit, outdoor unit

When the system is changed over to heating operation after defrost operation.

Moisture generated by defrost becomes steam and is exhausted.

7.7

Noise of Air Conditioners

Indoor unit

A “zeen” sound is heard immediately after the power supply is turned on.

The electronic expansion valve inside an indoor unit starts working and makes the noise. Its
volume will reduce in about one minute.

A continuous low “shah” sound is heard when the system is in cooling operation or at a
stop.

When the drain pump (optional accessories) is in operation, this noise is heard.

A “pishi-pishi” squeaking sound is heard when the system stops after heating operation.

Expansion and contraction of plastic parts caused by temperature change make this noise.

A low “sah”, “choro-choro” sound is heard while the indoor unit is stopped.

When the other indoor unit is in operation, this noise is heard. In order to prevent oil and
refrigerant from remaining in the system, a small amount of refrigerant is kept flowing.

Indoor unit, outdoor unit

A continuous low hissing sound is heard when the system is in cooling or defrost
operation.

This is the sound of refrigerant gas flowing through both indoor and outdoor units.

A hissing sound which is heard at the start or immediately after stopping operation or
defrost operation.

This is the noise of refrigerant caused by flow stop or flow change.

Outdoor unit

When the tone of operating noise changes.

This noise is caused by the change of frequency.

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Содержание REYQ96MTJU

Страница 1: ...Design Installation Testing Instruction R410A Heat Recovery 60Hz REYQ96MTJU Si39 406...

Страница 2: ...andled confidently on the basis of a clear understanding of the special features of this system We have paid particular attention to points of difference in installation procedure between this system...

Страница 3: ...rations and Points to be Borne in Mind 14 4 Test Operation 63 4 1 Procedure and Outline 63 4 2 Operation When Power is Turned On 66 4 3 Outdoor Unit PC Board Layout 67 4 4 Field Setting 68 5 Caution f...

Страница 4: ...art up 166 8 2 Test Run 167 9 Caution for Refrigerant Leaks 169 Part 3 Installation Manual BS Unit 171 1 Safety Considerations 172 2 Before Installation 175 2 1 Caution Concerning New Refrigerant Seri...

Страница 5: ...e System does not Operate 210 7 2 Cool heat cannot be Changed Over 210 7 3 Fan Operation is Possible but Cooling and Heating do not Work 210 7 4 The Fan Strength does not Correspond to the Setting 210...

Страница 6: ...Si39 406 iv Table of Contents...

Страница 7: ...3 1 Step by Step Installation Procedure 13 3 2 Work Involved in Individual Operations and Points to be Borne in Mind 14 4 Test Operation 63 4 1 Procedure and Outline 63 4 2 Operation When Power is Tu...

Страница 8: ...low FXFQ 12M 18M 24M 30M 36M VJ Ceiling Mounted Built In Type FXSQ 12M 18M 24M 30M 36M 48M Ceiling Mounted Duct Type FXMQ 30M 36M 48M Wall Mounted Type FXAQ 12M 18M 24M Floor Standing Type FXLQ 12M 18...

Страница 9: ...XFQ30MVJU FXFQ36MVJU Wall mounted type FXAQ12MVJU FXAQ18MVJU FXAQ24MVJU Ceiling mounted built in type FXSQ12MVJU FXSQ18MVJU FXSQ24MVJU FXSQ30MVJU FXSQ36MVJU FXSQ48MVJU Floor standing type FXLQ12MVJU F...

Страница 10: ...oor unit 1 REYQ96M Total number of connectable indoor units 10 Total capacity of connectable indoor units MBtu h 48 120 Type Model Name Power Supply Ceiling mounted cassette type Multi flow FXFQ 12M 1...

Страница 11: ...r conditioning units 1 Path of refrigerant piping between outdoor and indoor units height difference and pipe length Path of refrigerant piping should be determined such that length of piping is kept...

Страница 12: ...Position such that maintenance and repairs can be carried out inspection port positions and size check Avoid short circuiting Ensure sufficient drain pipe gradient need for drain up kit etc In the ca...

Страница 13: ...stem Design General Information 7 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 prob...

Страница 14: ...oor unit 1 REYQ96M Total number of connectable indoor units 10 Total capacity of connectable indoor units MBtu h 48 120 Type Model Name Power Supply Ceiling mounted cassette type Multi flow FXFQ 12M 1...

Страница 15: ...important in the case of sleeves for drain piping 2 4 Points to Bear in Mind when Preparing the Contract Drawings The following points should be borne in mind when preparing the contract drawings from...

Страница 16: ...efrigerant piping 1 Is the piping system correctly connected 2 Are the rise and fall pipes correctly connected 3 Are the lengths and height differences of the pipes within the recommended limits Opera...

Страница 17: ...trolled by one or two remote controllers 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...

Страница 18: ...outdoor unit The outdoor unit model number should be inserted into the diagram REYQ96M Insert name of refrigerant system PAC1 PAC2 Insert name of indoor unit FXFQ12M FQ12M Insert system name of indoor...

Страница 19: ...tion 13 3 Installation 3 1 Step by Step 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 lo...

Страница 20: ...also be taken into consideration b The diameter of the through holes for the refrigerant piping should include an allowance for the thickness of the heat insulation materials It is a good idea to thi...

Страница 21: ...st be decided early Example Steel insert Important point 1 The weight of the fitting to be suspended must be taken into account when choosing the insert 3 2 2 Installation of Indoor Unit Operational s...

Страница 22: ...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 unit correc...

Страница 23: ...Please keep these value at least Unit Inch FXFQ M type NOTE Leave 7 7 8 mm or more space where marked with the on sides where the air outlet is closed Model H FXFQ12 18 24MVJU 9 7 16 or more FXFQ30 3...

Страница 24: ...1 1 4 Floor Obstruction 4 3 4 100 from floor For installation in high places Unit Inch FXLQ M FXNQ M type Base FXLQ Window 4 or more FXLQ 6 or more FXNQ 4 or more FXLQ 3 4 or more 40 or more 70 or mor...

Страница 25: ...e at least Unit Inch BSVQ M type Sight opening must be of above size and provided in front of electric parts box 12 or more 4 or more SERVICE SPACE 4 or more 12 or more NOTE 1 Gas piping Liquid piping...

Страница 26: ...ant does not leak out Actoin to avoid problem 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 insid...

Страница 27: ...inside the pipes to cause damage to various 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 th...

Страница 28: ...used according to the work area and term 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 ta...

Страница 29: ...e 1 Set pressure regulator on nitrogen cylinder The gas used must be nitrogen There is a danger of condensation if fleon or carbon dioxide are used and oxygen carries the risk of explosions 2 Connect...

Страница 30: ...rations have been completed then do the same with the gas pipes Choice of Materials for Refrigerant Piping a Refrigerant piping The piping used must meet the requirements of the JIS standard or equiva...

Страница 31: ...important in the case of sleeves for drain piping 2 4 Points to Bear in Mind when Preparing the Contract Drawings The following points should be borne in mind when preparing the contract drawings from...

Страница 32: ...etween the pipe and the joint is correct To prevent leaks 4 Is the pipe adequately supported As a rule the gaps between supports for horizontal piping copper pipe are as follows The copper pipe should...

Страница 33: ...h refrigerator oil Ester or ether oil this ensures that the flare nut passes smoothly preventing the pipe from twisting Do not use SUNISO 4GS oil Important points 1 Burrs should be carefully removed 2...

Страница 34: ...Installation Si39 406 28 General Information Flaring Procedure...

Страница 35: ...make sure to check that is no gas leak When you keep on tightening the flare nut with a spanner there is a point where the tightening torque suddenly increases From that position further tighten the f...

Страница 36: ...eration 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 b...

Страница 37: ...are occasions 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...

Страница 38: ...e for at least 24 hours Note The pressure must on no account be increased beyond 551psi b Check for pressure drop If there is no drop in pressure then the test is deemed a success If the pressure drop...

Страница 39: ...gas R410A Nitrogen and flon gas mixed 3 Search for the source of the leak using a leak detector 4 If the source of the leak still cannot be traced then repressurize with nitrogen up to 551psi and chec...

Страница 40: ...low that of the ambient temperature then the moisture in the pipes will evaporate 1 Pressure reducing valve 2 Nitrogen 3 Tank 4 Siphon system 5 Measuring instrument 6 Vacuum pump 7 Valve A 8 Valve B 9...

Страница 41: ...ll have to use a pump with higher exhaust velocity exhaust volume The Necessity for Counter Flow Prevention After the vacuum process of the refrigerant cycle the inside of the hose will be vacuumed af...

Страница 42: ...hich is capable of achieving 0 2 Torr of ultimate vacuum Degree of vacuum is expressed in Torr micron mmHg and Pascal Pa The units correlate as follows 2 Vacuum pump maintenance Because of their natur...

Страница 43: ...2 Make sure the reading of the Pirani vacuum gauge is 5 Torr 667 Pa or less The reading of conventional vacuum pumps lowers to about 0 2 Torr If the reading is not 5 Torr or less check the vacuum pum...

Страница 44: ...f even after 3 hours the vacuum has not reached 14 61 5 mmHg then check the system for a leak 2 Carry out maintained vacuum test Produce a vacuum in excess of 14 61psi 755 mmHg and do not release it f...

Страница 45: ...peration Operational steps 1 Vacuum drying 1st time 2 hours 2 Vacuum breaking 1st time Use nitrogen to raise pressure to 7 25psi 0 05MPa Since the nitrogen gas used to break the vacuum is dry nitrogen...

Страница 46: ...Installation Si39 406 40 General Information The gas used for the vacuum breaking operation must be nitrogen The use of oxygen brings a serious risk of explosions Special vacuum drying time chart...

Страница 47: ...mplete the additional charging during the test run Refrigerant Charging Instructions HFC401A are Quasi azeotropic refrigerants Therefore these refrigerants must be charged in the liquid state When cha...

Страница 48: ...charged into 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...

Страница 49: ...uld not be bent Spacing of supports for horizontal piping c The length of pipe laid horizontally should be kept to a minimum Drain Trap Fit any indoor unit whose drain pipe connection is subjected to...

Страница 50: ...socket and drain pipe to be connected without 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...

Страница 51: ...arger pipe after the convergence point 2 Relationship between riser diameter and allowable drainage for extended ventilation system Note Allowed flow rate figures below the decimal have been discarded...

Страница 52: ...en the clamp until the screw head is less than 3 16 from the hose Wrap the attached sealing pad 10 over the clamp and drain hose to insulate Make sure that heat insulation work is executed on the foll...

Страница 53: ...est operation button on the remote controller The unit will engage the test operation mode Press the operation mode selector button until selecting FAN OPERATION Then press the ON OFF button The indoo...

Страница 54: ...ached drain hose and clamp metal Tighten the clamp firmly Insert the drain hose into the drain socket up to the white tape Tighten the clamp until the screw head is less than 3 16 from the hose Wrap t...

Страница 55: ...nning explained under TEST OPERATION WHEN ELECTRIC WIRING WORK IS NOT FINISHED Remove the electric parts box lid connect a power supply and remote controller to the terminals Refer to the Installation...

Страница 56: ...es Keep piping as short as possible and slope it downwards so that air may not remaine trapped inside the pipe Keep pipe size equal to or greater than that of the connecting pipe Vinyl pipe of 1 normi...

Страница 57: ...ter drain work is complete perform a drain check by opening the front panel removing the air filter pouring water into the drain pan and making sure water flows smoothly out of the drain hose Refer to...

Страница 58: ...rating capacity of the unit 2 After piping work is finished check drainage flows smoothly Add approximately 1 liter of water slowly from the air outlet and check drainage flow 3 Be sure to insulate al...

Страница 59: ...not be able to accommodate 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 transmiss...

Страница 60: ...ormal motors are thus somewhat variance with those which apply to such compressor motors You are recommended to adhere strictly to the procedures laid down in the technical materials included in for e...

Страница 61: ...re these are to be run side by side Note 1 The figures are based on an assumed length of parallel cabling up to 33 100m For lengths in excess of 33 100m the figures will have to be recalculated in dir...

Страница 62: ...e easily detachable 3 2 12 Selection of Location This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment If installed as a household appliance i...

Страница 63: ...llation site where snow will not affect operation of the unit 3 The refrigerant R410A itself is nontoxic nonflammable and is safe If the refrigerant should leak however its concentration may exceed th...

Страница 64: ...ndle the unit with care Keep the unit upright in order to avoid compressor damage 2 Choose the path along which the unit is to be brought in ahead of time 3 If a forklift it to be used pass the forkli...

Страница 65: ...concrete floor rubble is not necessary However the surface of the section on which the foundation is built shall have rough finish 4 A drain ditch shall be made around the foundation to thoroughly dr...

Страница 66: ...he foundation bolts should be inserted 13 16 Make sure the base under the unit extended more than 30 1 8 behind the unit The height of the base should be at least 5 7 8 from the floor The unit must be...

Страница 67: ...drainage grooves around the foundation Condensate water is sometimes discharged from the outdoor unit when it is running Block all gaps in the holes for passing out piping and wiring using sealing ma...

Страница 68: ...Installation Si39 406 62 General Information Caution Caution label 3P124617 4P124614...

Страница 69: ...The design pressure of this product is 550 psi Are pipe insulation materials installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak Are respective stop valves on liqu...

Страница 70: ...he following indications are conducted while in test operation 2LED lamp on outdoor unit PC board H2P flickers test operation 2Remote controller Indicates On Centralized Control on upper right Indicat...

Страница 71: ...hat the indoor outdoor units can be operated normally When an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater to heat...

Страница 72: ...e addition cannot be recognized In this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc Status Outdoor unit Test lamp H2P Blinks Can also b...

Страница 73: ...according to the setting 3 Mode setting switch Used to change mode 4 Local setting switch Used to make local settings BS1 MODE SET RETURN TEST RESET BS2 BS3 BS4 BS5 H1P H2P H3P H4P H5P H6P H7P H8P 1...

Страница 74: ...mal mode push the button for 4 seconds or more and operation then enters the field set mode 2 Select the desired mode No with the button 3 During group control and you want to set by each individual i...

Страница 75: ...tion Set when filter sign is not to be displayed Display No display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Indoor unit turned ON by thermostat O...

Страница 76: ...unted type Floor standing type Concealed Floor standing type Multi flow FXFQ FXSQ FXMQ FXAQ FXLQ FXNQ Filter sign Ultra long life filter sign Remote controller thermostat sensor Set fan speed when the...

Страница 77: ...the air conditioners with the setting the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition as that of before powe...

Страница 78: ...pe Slight increase 03 Wall mounted type Normal increase Mode No First code No Second code No Setting Ceiling height 4 way Outlets 3 way Outlets 2 way Outlets 13 23 0 01 Standard N Lower than 2 7 m Low...

Страница 79: ...Rate Switching at Discharge Grille for Field Air Flow Rate Switching When the optional parts high performance filter etc is installed sets to change fan speed for securing air flow rate Follow the ins...

Страница 80: ...utton to inspect the group No display 4 Set the group No for each group with the button The group No increases in the manner of 1 00 1 01 1 15 2 00 4 15 However the unified ON OFF controller displays...

Страница 81: ...about 1 minute on the liquid crystal display This is not an operative fault Centoral Remote Controller F1 F2 F1 F2 F1 F2 F1 F2 P1 P2 RC RC RC RC RC F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1...

Страница 82: ...peration mode setting by remote controller can be set and displayed by operation modes 0 through 19 ON OFF control impossible by remote controller Used when you want to turn on off by central remote c...

Страница 83: ...rol by remote controller Control mode Operation OFF Temperature control Operation mode setting Unified operation individual operation by central remote controller or operation controlled by timer Unif...

Страница 84: ...ches on PC board Dipswitch Setting item Description No Setting DS1 1 ON Cool Heat select Used to set cool heat select by remote controller equipped with outdoor unit OFF Factory set DS1 2 DS1 4 ON Not...

Страница 85: ...ure Mode changing procedure H1P H2P H3P H4P H5P H6P H7P H8P Master unit 7 7 8 7 7 7 7 8 Slave unit 1 7 7 7 7 7 7 7 9 Slave unit 2 7 7 7 7 7 7 7 7 BS1 MODE BS2 SET BS3 RETURN BS4 TEST BS5 RESET V2760 S...

Страница 86: ...7 Malfunction 7 8 8 7 7 7 7 Preparing Test run 7 9 8 7 7 7 7 Normal 7 7 8 7 7 7 7 During low noise operation 7 7 8 7 7 8 7 Normal 7 7 8 7 7 7 7 During demand operation 7 7 8 7 7 7 8 8 ON 7 OFF 9 Blin...

Страница 87: ...ets automatic nighttime low noise operation in a simple way The operating time is based on Starting set and Ending set 25 Low noise setting Sets low noise level when the low noise signal is input from...

Страница 88: ...ory setting 8777787 Slow defrost 8777778 11 Sequential operation setting 8 7 7 8 7 8 8 OFF 8777778 ON 8777787 12 External low noise demand setting 8 7 7 8 8 7 7 External low noise demand NO 8777778 Ex...

Страница 89: ...lower 8777877 26 Night time low noise operation start setting 8 7 8 8 7 8 7 About 20 00 8777778 About 22 00 factory setting 8777787 About 24 00 8777877 27 Night time low noise operation end setting 8...

Страница 90: ...s lower 14 Contents of malfunction the latest 8 7 7 8 8 8 7 Malfunction code table 15 Contents of malfunction 1 cycle before 8 7 7 8 8 8 8 16 Contents of malfunction 2 cycle before 8 7 8 7 7 7 7 20 Co...

Страница 91: ...er which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of fou...

Страница 92: ...NOTE 1 2 1 2 F2 B C A F2 F1 F1 F2 F1 Outdoor unit TOIN DUNIT TOOUT DUNIT F1 F2 F1 F2 F1 F2 F1 F2 IN D OUT D BS REMOTE CONTROLLER BS unit A F1 F2 F1 F2 IN D OUT D BS BS unit B COOL HEAT selector Branch...

Страница 93: ...the low noise instructions are neglected to switch to normal operation Set by Setting Mode 2 B When the low noise operation is carried out automatically at night The outdoor unit external control ada...

Страница 94: ...Test Operation Si39 406 88 General Information Image of operation in the case of A Image of operation in the case of B Image of operation in the case of A B...

Страница 95: ...the External low noise Demand YES Set by Setting Mode 2 Set the Demand 1 level setting on the outdoor unit PCB as the need arises During the demand level 1 instruction the power consumption can be sa...

Страница 96: ...is set to ON OFF has been set at factory the power consumption can be set with the Demand 1 level setting 70 of rated power consumption has been set at factory Power consumption Rated power consumptio...

Страница 97: ...2 H1P on c In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights d Push the BS2 SET button several times and match the LED display with the Se...

Страница 98: ...z z PM 8 00 z z z z z PM 10 00 Factory setting z z z z z PM 0 00 z z z z z 27 Night time low noise end setting z z AM 6 00 z z z z z AM 7 00 z z z z z AM 8 00 Factory setting z z z z z 29 Capacity pr...

Страница 99: ...CTION and Oil equalizing Stop valve closed Is all refrigerant charged Is all refrigerant charged YES YES NO Turn off the power Charge through Service port of LIQ Stop valve Open DISCHARGE LIQUID SUCTI...

Страница 100: ...not complete within 30 minutes set the A Additional refrigerant charging operation again to start charging When the charging immediately stops even by restarting the refrigerant is charged excessively...

Страница 101: ...2 4 4 2 7 Check Operation To prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed...

Страница 102: ...n is lb ft3 the weight in Ib of the refrigerant gas in 1ft3 volume of the occupied space Compliance to the local applicable regulations and standards for the maximum allowable concentration level is r...

Страница 103: ...above If the result of the above calculation exceeds the maximum concentration level then make similar calculations for the second then third smallest room and so until the result falls short of the...

Страница 104: ...on the back of the outdoor unit external 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...

Страница 105: ...Ceiling Mortar mineral wool tile Fiberglass 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 1...

Страница 106: ...perating noise by about 2 dB to 68 dB 7 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 p...

Страница 107: ...valent length Equivalent pipe length between outdoor and indoor units 390ft assume equivalent pipe length of refnet joint to be 1 6ft that of refnet header to be 3 3ft calculation purposes Total exten...

Страница 108: ...330ft Equivalent length Equivalent pipe length between outdoor and indoor units 390ft assume equivalent pipe length of refnet joint to be 1 6ft that of refnet header to be 3 3ft calculation purposes T...

Страница 109: ...lent pipe length between outdoor and indoor units 390ft assume equivalent pipe length of refnet joint to be 1 6ft that of refnet header to be 3 3ft calculation purposes Total extension length Total pi...

Страница 110: ...indoor units 1 2 3 4 5 6 7 8 Refrigerant branch kits can only be used with R410A Outdoor unit capacity type Refrigerant branch kit name REYQ 96M type KHRP26M33T Indoor capacity index Refrigerant bran...

Страница 111: ...index Refrigerant branch kit name in case of 3 pipes In case of 2 pipes 72 KHRP25M33H KHRP26M22H or KHRP26M33H 72 KHRP26M33H 1 2 3 4 B2 B1 B3 B4 5 6 7 7 6 1 6 8 H2 H1 a b c l n o q r s p m k i f g j h...

Страница 112: ...rant branch kit and indoor unit Pipe size for direct connection to indoor unit must be the same as the connection size of indoor unit Unit in 1 The BS unit BSVQ36MVJU port and connection pipe are diff...

Страница 113: ...d to the rear side of the front cover Refer next page Example for refrigerant branch using refnet joint and refnet header R Total length ft of liquid piping size at 1 2 0 074 Total length ft of liquid...

Страница 114: ...Appendix Si39 406 108 General Information 3P135887 1...

Страница 115: ...l Information 109 7 6 REFNET Pipe Connections for VRV R410A Series 7 6 1 REFNET Joint Branch Kit KHRP26M22T KHRP26M33T Gas Side Insulation Insulation Liquid Side D3K03622A Gas Side Insulation Insulati...

Страница 116: ...eneral Information KHRP25M22T KHRP25M33T D3K03626A Suction gas side Discharge gas side Liquid side Insulation Insulation Insulation D3K03627B Suction gas side Discharge gas side Liquid side Insulation...

Страница 117: ...NET Header Branch Kit KHRP26M22H KHRP26M33H KHRP25M33H D3K03629B Gas Side Liquid Side Insulation Insulation D3K03630B Gas Side Liquid Side Insulation Insulation D3K03633B Suction gas side Discharge ga...

Страница 118: ...ize of the selected field piping is different from that of branch pipe then the connecting section should be cut with a pipe cutter as shown in the figure below When you are cutting an inlet or outlet...

Страница 119: ...unit side of the liquid pipe header Cut the B section with a pipe cutter as shown below and connect it to the A section Connect the flared section of the field pipe to the B section Fit the branch pip...

Страница 120: ...Installation location Model Indoor Unit BS Unit Unit No BS Unit and Indoor Unit Field settings No 1 2 3 4 5 6 7 8 9 10 Installation Model Unit No Cool Heat selecter No Installation Model Unit No Grou...

Страница 121: ...G Air filter Visual inspection No clogging or damage Room 1 G NG Room 6 G NG Room 2 G NG Room 7 G NG Room 3 G NG Room 8 G NG Room 4 G NG Room 9 G NG Room 5 G NG Room 10 G NG Heat exchanger Visual insp...

Страница 122: ...S 1 G NG BS 6 G NG BS 2 G NG BS 7 G NG BS 3 G NG BS 8 G NG BS 4 G NG BS 9 G NG BS 5 G NG BS 10 G NG Heat insulation Visual inspection No damage BS 1 G NG BS 6 G NG BS 2 G NG BS 7 G NG BS 3 G NG BS 8 G...

Страница 123: ...mometer 37 4 59 F INV F STD F Discharge pipe temperature Thermometer 185 221 F INV F STD F Clank case heater Touch Warm INV G NG STD G NG Indoor unit Powerly supply voltage Tester Rated voltage 10 Roo...

Страница 124: ...Appendix Si39 406 118 General Information 7 8 Piping System Diagrams 7 8 1 Outdoor Unit REYQ96MTJU 4D045329...

Страница 125: ...stor for liquid line temperature R3T Thermistor for gas line temperature DU220 602D Heat exchanger Gas piping connection port Liquid piping connection port Flare connection Flare connection 5 8 or les...

Страница 126: ...Appendix Si39 406 120 General Information 7 8 3 BS Unit BSVQ36MVJ BSVQ60MVJ 4D045338...

Страница 127: ...Si39 406 Appendix General Information 121 7 9 Wiring Diagrams 7 9 1 Outdoor Unit REYQ96MTJU 3D044892A...

Страница 128: ...Appendix Si39 406 122 General Information 7 9 2 Field Wiring REYQ96MTJU 3D042647A...

Страница 129: ...of Problem and Remedial Action Multiple core cable has been used for at least part of the interconnecting wiring between the remote controller and the indoor units This has resulted in signal interfer...

Страница 130: ...is operating but there is no flow of warm 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...

Страница 131: ...ared Main Points Duct types 18 48 require 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 relati...

Страница 132: ...ed 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...

Страница 133: ...that branches meet the main pipe either 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 horiz...

Страница 134: ...have expanded and contracted which places 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 drawi...

Страница 135: ...iring will allow the unit to function normally Main Points Keep low and high voltage wiring away from each another 7 10 8 Example 8 The centralized control group number cannot be set Inverter K Series...

Страница 136: ...r units connected to the central remote controller have been given a group No 2 The connector for setting the master controller inside the central remote controller is disconnected Remedial Action Set...

Страница 137: ...ponents 140 3 Selection of Location 141 4 Inspecting and Handling the Unit 143 5 Unpacking and Placing the Unit 144 6 Refrigerant Piping 146 6 1 Selection of Piping Material 146 6 2 Connecting the Ref...

Страница 138: ...on manual Improper installation may result in water leakage electric shocks or fire When installing the unit in a small room take measures against to keep refrigerant concentration from exceeding allo...

Страница 139: ...the refrigerant circuit free from substances other than the specified refrigerant R410A such as air Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressu...

Страница 140: ...levant local and national regulations Do not use the following tools that are used with conventional refrigerants Gauge manifold charge hose gas leak detector reverse flow check valve refrigerant char...

Страница 141: ...n the outdoor unit or avoid placing any object on it Falling or tumble may result in injury Safety Precaution The PCI Data Station is a class A product In a domestic environment this product may cause...

Страница 142: ...The indoor units can be installed in the following range Always use appropriate indoor units compatible with R410A To lean which models of indoor units are compatible with R410A refer to the product...

Страница 143: ...9 pcs 2 pcs 1 pc 1 pc Shape Name Suction gas line piping attached to unit 2 Suction gas line piping attached to unit 3 Discharge gas line piping attached to unit 1 Quantity 1 pc 1 pc 1 pc Shape Small...

Страница 144: ...erature 70 FDB outdoor temperature 47 FDB 43 FWB pipe length 25ft level difference 0ft 4 The nominal input includes total input of the unit compressor fan motor and control circuit REFNET header KHRP2...

Страница 145: ...ns 1 Model REYQ96MTJU Power supply Phase 3 Frequency Hz 60 Voltage V 208 230 Voltage torerance 10 Recommended fuses A 70 Compressor Phase 3 Frequency Hz 60 Voltage V 208 230 Nominal running current A...

Страница 146: ...Main Components Si39 406 140 Installation Manual REYQ96MTJU 2 Main Components For main components and function of the main components refer to the Engineering Data Book...

Страница 147: ...way that neither the discharged air nor the sound generated by the unit disturb anyone 7 Make sure that the air inlet and outlet of the unit are not positioned towards the main wind direction Frontal...

Страница 148: ...hich contain a lot of mineral oil or steam in the atmosphere or where oil may splatter on the unit Resin parts may deteriorate causing the unit to fall or leak Locations where sulfurous acids and othe...

Страница 149: ...the forklift arms through the large openings on the bottom of the unit 4 Lift the unit preferably with a crane and 2 belts of at least 27ft long 5 When lifting the unit with a crane always use protect...

Страница 150: ...ation steelbeam frame or concrete as indicated in figure 4 DO NOT USE STANDS TO SUPPORT THE CORNERS CAUTION 1 Prepare a water drainage channel around the foundation to condensate waste water from arou...

Страница 151: ...rainage grooves around the foundation Condensate water is sometimes discharged from the outdoor unit when it is running Block all gaps in the holes for passing out piping and wiring using sealing mate...

Страница 152: ...arge hose etc that are exclusively used for R410A installations to withstand the pressure and to prevent foreign materials e g mineral oils such as SUNISO and moisture from mixing into the system The...

Страница 153: ...hole 2 Drill 3 Concave section 2 Make sure to perform the piping installation within the range of the maximum allowable pipe length allowable level difference and allowable length after branching as...

Страница 154: ...oes not require flux Using a chlorine flux may cause the pipes to corrode and if it contains fluoride it may cause the refrigerant lubricant to deteriorate adversely affecting the refrigerant piping s...

Страница 155: ...sure to enlarge the main pipe in the liquid side piping Do not enlarge the main pipe in the discharge side and suctionside piping Depending on the length of the refrigerant piping the power may drop...

Страница 156: ...Refrigerant Piping Si39 406 150 Installation Manual REYQ96MTJU...

Страница 157: ...26M22T KHRP26M33T How to select the refnet header Choose from the following table in accordance with the total capacity of all the indoor units connected below the REFNET header 72 72 KHRP25M33H KHRP2...

Страница 158: ...Refrigerant Piping Si39 406 152 Installation Manual REYQ96MTJU...

Страница 159: ...ises the system may either contain moisture inside or have leaks 2 Following should be executed if there is a possibility of moisture remaining inside the pipe if piping work is carried out during the...

Страница 160: ...or service port connection After tightening the cap check that no refrigerant leaks are present When loosening a flare nut always use two wrenches in combination When connecting the piping always use...

Страница 161: ...ench you may follow the installation method mentioned below After the work is finished make sure to check that there is no gas leak When you keep on tightening the flare nut with a spanner there is a...

Страница 162: ...efrigerant Charge CAUTION Refrigerant cannot be charged until field wiring has been completed Refrigerant may only be charged after performing the leak test and the vacuum drying see above When chargi...

Страница 163: ...account following instructions 1 Check that gas and liquid shutoff valves are closed 2 Charge the specified weight of refrigerant If the outdoor unit is not in operation and the total amount cannot b...

Страница 164: ...al refrigerant charge operation 2 After the system is charged with a specified amount of refrigerant press the confirmation button BS3 on the PC board A1P in the outdoor unit to stop the additional re...

Страница 165: ...locally Running the product in reversed phase can break the compressor and other parts 7 1 Optional Parts Note Use copper conductors only When using the adaptor for sequential start refer to chapter E...

Страница 166: ...nent country Do not connect the ground wire to gas 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 effe...

Страница 167: ...upply 208 230 V Three phase 2 Branch switch overcurrent breaker 3 Grounding wire 4 Earth leakage breaker 5 Section A 6 Attach insulation sleeves 7 Power supply terminal block 8 Grounding terminal 9 Re...

Страница 168: ...rminal screws may break them See the table below for tightening torque for the terminal screws 5 7 10 8 1 4 6 9 2 3 1 Retain with accessory clamp 3 2 Electric wiring 3 Wiring between units 4 Retain to...

Страница 169: ...mber of outdoor units connectable 10 or less 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 term...

Страница 170: ...onnect it using a conduit in the knockout hole on the right CAUTION Use a power wire pipe for the power wiring Outside the unit make sure the low voltage electric wiring i e for the remote control bet...

Страница 171: ...th or cables 2 core wires CAUTION Be sure to keep the power line and transmission line apart from each other Be careful about polarity of the transmission line Make sure that the transmission line is...

Страница 172: ...ed out according to the instructions described in this manual according to the wiring diagrams and according to local and national regulations 3 Pipe sizes and pipe insulation Make sure that correct p...

Страница 173: ...must be recorded on the Service Precautions label 2 Check the LED on the PC board A1P in the outdoor unit to see if the data transmission is performed normally Make sure to turn ON the power 6 hours b...

Страница 174: ...pressed When the system operation is stopped by the remote controller the outdoor units may continue operating for further 5 minutes at maximum If the system has not undergone any check operation by t...

Страница 175: ...n of refrigerant is directly related to the humanly occupied space in to which it could leak The unit of measurement of the concentration is lb ft3 the weight in Ib of the refrigerant gas in 1ft3 volu...

Страница 176: ...h are each equivalent in size to 0 15 or more of the floor area 3 Calculating the refrigerant density using the results of the calculations in steps 1 and 2 above If the result of the above calculatio...

Страница 177: ...e 178 4 Preparations Before Installation 179 5 BS Unit Installation 180 6 Refrigerant Piping Work 181 6 1 In Case of Connecting Only One Indoor Unit 183 6 2 When Connecting Multiple Indoor Units 183 6...

Страница 178: ...can lead to oxygen deficiency 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...

Страница 179: ...air conditioner in the following locations a where a mineral oil mist or an oil spray or vapor is produced for example in a kitchen Plastic parts may deteriorate and fall off or result in water leaka...

Страница 180: ...in which case the user may be required to take adequate measures Dismantling of the unit treatment of the refrigerant oil and eventual other parts should be done in accordance with the relevant local...

Страница 181: ...mineral oil or filled with oil vapor or spray like in kitchens Plastic parts may deteriorate which could eventually cause the unit to fall out of place or could lead to leaks Where corrosive gas like...

Страница 182: ...t Is the unit grounded Dangers during electrical leak Is the thickness of the power cord as specified Does not operate burnt out Are any obstructions blocking the indoor and outdoor units intake and o...

Страница 183: ...city sum of the indoor units to be connected downstream To calculate the total capacity of the indoor units use the figure A of the table below Capacity of indoor unit Model Total capacity sum of all...

Страница 184: ...Locations where there is no possibility of flammable gas leaking Locations where the wall is not significantly tilted Locations where an inspection hole see figure below can be installed BSVQ36 60MVJ...

Страница 185: ...its weight can be withstood Note All the above parts are part to be procured in the field 3 Support the connection piping To prevent excessive weight from bearing on the hunger brackets of the BS uni...

Страница 186: ...Change the way the wiring between the unit and the electric parts box transformer two solenoid valve coils is pulled out See the figure at next page 5 Attach the electric parts box 6 Turn the top pane...

Страница 187: ...or cover it with tape The outdoor unit is charged with refrigerant Be sure to use both a spanner and torque wrench together when connecting or disconnecting pipes to from the unit Refer to Fig 2 When...

Страница 188: ...d by the refrigerant gas leaking indoor and being exposed to flames from an area heater cooking stove etc Table 1 Table 2 Pipe gauge in Tightening torque ft lbf Flare dimension A in Flare shape in 1 4...

Страница 189: ...tion size BS unit Select pipe size according to the Table 4 Upstream Downstream Determine using Table 4 based on the total capacity of the indoor units connected downstream See the installation manual...

Страница 190: ...Field supply Flare nut Flare nut Use the included items Use the included items Gas piping Field supply Liquid piping Field supply BS unit Suction gas piping Field supply Discharge gas piping Field suu...

Страница 191: ...ith national regulations of the pertinent country Do not let the ground wire come in contact with gas pipes water pipes lightning rods or telephone ground wires Gas pipes gas leaks can cause explosion...

Страница 192: ...ide cover of the electric parts box shown in the below figure and connect each wire NOTE Keep transmission wiring a minimum of 2 from other electric wires so as to avoid the effects of external noise...

Страница 193: ...em See the following table for the tightening torque of the terminal screws 2 Do not connect wires of different gauge to the same grounding terminal Looseness in the connection may deteriorate protect...

Страница 194: ...anch wiring Use 2 core wires There is no polarity B C A REMOTE CONTROLLER COOL HEAT selector Cool heat selector remote control wiring Use 3 core wires Keep in mind the polarity F1 F2 F1 F2 IN D OUT D...

Страница 195: ...e BS unit The unit must be in Field setting mode Make settings as explained in Field setting provided with the remote controller The first and second code Nos are set to 1 and 0 F respectively when th...

Страница 196: ...tdoor unit The operation lamp of the remote controller connected to the indoor unit will flash when an error occurs Check the error code on the liquid crystal display to identify the point of trouble...

Страница 197: ...r Two Remote Controller Control System 208 6 Optimum Operation 209 7 Following Symptoms are not Air Conditioner Troubles 210 7 1 The System does not Operate 210 7 2 Cool heat cannot be Changed Over 21...

Страница 198: ...air conditioner Carefully read this operation manual before using the air conditioner It will tell you how to use the unit properly and help you if any trouble occurs After reading the manual file it...

Страница 199: ...onditioner Incomplete installation performed by yourself may result in a water leakage electric shock and fire Ask your dealer for improvement repair and maintenance Incomplete improvement repair and...

Страница 200: ...a qualified service person to perform this work Cut off all electric waves before maintenance To avoid the risk of serious electric shock never sprinkle or spill water or liquids on the unit Do not in...

Страница 201: ...spot splashed with water Water coming inside the machine may cause an electric leak or may damage the internal electronic parts Do not operate the air conditioner when using a room fumigation type ins...

Страница 202: ...mplete combustion or deformation of the unit due to the heat Arrange the drain hose to ensure smooth drainage Incomplete drainage may cause wetting of the building furniture etc Do not place the contr...

Страница 203: ...ntrol system ask your Daikin dealer for the operation that corresponds to your system Outdoor units Names and functions of parts RXYQ series 1 Outdoor unit 2 Indoor unit 3 Remote controller 4 Inlet ai...

Страница 204: ...n air cleaning This display shows that the total heat exchange and the air cleaning unit are in operation these are optional accessories 6 Display set temperature This display shows the temperature yo...

Страница 205: ...e 19 Filter sign reset button Refer to the indoor unit manual 20 Fan speed control button Press this button to select the fan speed of your preference 21 Operation mode selector button Press this butt...

Страница 206: ...for safe and effective operation To avoid condensation and water dripping out the unit If the temperature or the humidity is beyond these conditions safety devices may work and the air conditioner ma...

Страница 207: ...er control flashes refer to the chapter Operation procedure Setting the master remote controller Automatic operation can be selected only by REYQ series The fan may keep on running for about 1 minute...

Страница 208: ...rature setting button and program the desired temperature Each time this button is pressed the temperature setting rises or lowers 1 F Note Set the temperature within the operation range The temperatu...

Страница 209: ...n The function of this program is to decrease the humidity in your room with a minimum temperature decrease The micro computer automatically determines temperature and fan speed The system does not go...

Страница 210: ...s and select program dry operation Press the on off button The operation lamp lights up and the system starts operation Press the air flow direction adjust button Refer to the chapter Adjusting the ai...

Страница 211: ...ection can be adjusted in one of the following ways The air flow flap itself adjusts its position The air flow direction can be fixed by the user Automatic and desired position Note The movable limit...

Страница 212: ...e timer stop For setting the timer start Press the programming time button and set the time for stopping or starting the system Each time this button is pressed the time advances or goes backward by 1...

Страница 213: ...r units For REYQ series When one BS unit is connected with several indoor units Only the master remote controller can select heating cooling or automatic only REYQ series operation The displays of sla...

Страница 214: ...vanishes The displays of other remote controllers show changeover under control 5 6 Precautions for Group Control System or Two Remote Controller Control System This system provides two other control...

Страница 215: ...ooling or heating effect Never place objects near the air inlet or the air outlet of the unit It may cause deterioration in the effect or stop the operation Turn off the main power supply switch to th...

Страница 216: ...shows changeover under control it shows that this is a slave remote controller When the cool heat changeover remote control switch is installed and the display shows changeover under control This is b...

Страница 217: ...an indoor unit starts working and makes the noise Its volume will reduce in about one minute A continuous low shah sound is heard when the system is in cooling operation or at a stop When the drain pu...

Страница 218: ...ntrolled in order to optimize product operation 7 11 The Display Shows 88 This is the case immediately after the main power supply switch is turned on and means that the remote controller is in normal...

Страница 219: ...ailure Wait until power is restored If power failure occurs during operation the system automatically restarts immediately after the power supply is recovered Check if no fuse has blown or breaker has...

Страница 220: ...roubleshooting Si39 406 214 Operation Manual Check if the heat source of the room is excessive Check if direct sunlight enters the room Use curtains or blinds Check if the air flow angle is not proper...

Страница 221: ...Part 5 Precautions for new Precautions for new Precautions for new Precautions for new Refrigerant R401A Refrigerant R401A Refrigerant R401A Refrigerant R401A 1 Precautions for New Refrigerant R410A...

Страница 222: ...t boiling points 2 Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the install...

Страница 223: ...d 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 vessels let them fall apply impact or roll...

Страница 224: ...ge HFC HCFC R410A R407C R22 Gauge manifold Charge hose 2Do not use the same tools for R22 and R410A 2Thread specification differs for R410A and R407C Charging cylinder 2Weighting instrument used for H...

Страница 225: ...pipe extension margin of 0 to 0 5mm was provided for flaring For R410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with p...

Страница 226: ...heck valve Specifications 2 Discharge speed z Maximum degree of vacuum 50 l min 50Hz 100 7 kPa 5 torr 755 mmHg 60 l min 60Hz 2 Suction port UNF7 16 20 1 4 Flare UNF1 2 20 5 16 Flare with adapter Diffe...

Страница 227: ...do not contain chlorine new tester detects hydrogen 5 Refrigerant oil Air compal Specifications 2 Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle 2 Offers hi...

Страница 228: ...upture pressure 25 4 MPa 3683 psi 2 Available with and without hand operate valve that prevents refrigerant from outflow Differences 2 Pressure proof hose 2 Change in service port diameter 2 Use of ny...

Страница 229: ...liquid refrigerant charging 2 A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences 2 Measurement is based on weight to prevent change of mi...

Страница 230: ...Precautions for New Refrigerant R410A Si39 406 224 Precautions for New Refrigerant R410...

Страница 231: ...e FXNQ M 52 Floor Standing Type FXLQ M 52 Wall Mounted Type FXAQ M 51 Drain Trap 43 Duct Work Indoor 56 E Electric Wiring Work 185 Electrical Specifications 139 Electrical Work 53 Emergency operation...

Страница 232: ...ton switches 79 Setting Contents and Code No 69 Setting mode 1 80 Setting mode 2 81 Setting of Low Noise Operation and Demand Operation 87 Setting of Operation Control Mode 76 Setting of Refrigerant A...

Страница 233: ...lized Control Group No Setting Group No Setting Example 75 Change of dimension A 219 Change of dimension B 220 Charge hose for R410A 222 Charge mouthpiece 223 charging additional refrigerant 157 Charg...

Страница 234: ...tion of Outdoor Unit Bolt pitch 59 Operational steps 59 interconnecting wiring 165 K Knock hole 147 knock holes 164 L laying power wiring 162 Leak Test and Vacuum Drying 153 Leak tester 221 M Maximum...

Страница 235: ...azing work 21 System example 161 T The analysis of major installation problems experienced during the year of 1988 7 The centralized control group number cannot be set 129 The unit must be installed o...

Страница 236: ...375 Park Avenue Suite 3308 New York N Y 10152 info daikinac com www daikinac com...

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