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SiUS39-602

Functional Parts Layout

Refirgerant Circuit

Functional Parts Layout

2.1

REYQ72M, 96M

2.1.1 Functional Parts Layout (Solenoid Valve etc.)

Plan

Front view

Solenoid valve (Receiver gas discharge Y4S)

Solenoid valve

(Receiver gas changing Y3S)

Solenoid valve

(non-operating unit liquid

pipe closing Y6S)

Compressor (INV)

Oil equalizing pipe

stop valve

Suction gas side stop valve

Discharge gas side stop valve

Electronic expansion valve

(Sub Y2E)

Electronic expansion valve

(Main Y1E)

Electronic expansion valve

(Subcooling Y3E)

4 way valve (Main 20S1)

Solenoid valve (Oil equalizing of
multi outdoor system Y2S)

Solenoid valve
(Hot gas Y1S)

Solenoid valve
(Discharge gas pipe closing Y5S)

Solenoid valve
(High pressure gas pipe
pressure reduction Y7S)

Compressor
(STD1)

Liquid side stop valve

4 way valve
(Sub 20S2)

Fan

Fan motor M1F

Содержание REYQ72

Страница 1: ...REYQ72 96 144 168 192MTJU R 410A Heat Recovery 60Hz REYQ72MTJU REYQ96MTJU REYQ144MTJU SiUS39 602 REYQ168MTJU REYQ192MTJU...

Страница 2: ...its 23 Part 3 Refrigerant Circuit 25 1 Refrigerant Circuit 26 1 1 REYQ72M 96M 26 1 2 BSVQ36 60M 28 2 Functional Parts Layout 29 2 1 REYQ72M 96M 29 3 Refrigerant Flow for Each Operation Mode 31 Part 4...

Страница 3: ...Operation 74 1 1 Procedure and Outline 74 1 2 Operation When Power is Turned On 77 2 Outdoor Unit PC Board Layout 78 3 Field Setting 79 3 1 Field Setting from Remote Controller 79 3 2 Field Setting fr...

Страница 4: ...oor Fan Motor Signal 153 2 23 H9 Outdoor Unit Malfunction of Thermistor for Outdoor Air R1T 154 2 24 J2 Current Sensor Malfunction 155 2 25 J3 Outdoor Unit Malfunction of Discharge Pipe Thermistor R31...

Страница 5: ...ler 187 2 52 UC Address Duplication of Centralized Remote Controller 188 2 53 UE Malfunction of Transmission between Centralized Controller and Indoor Unit 189 2 54 UF System is not Set yet 191 2 55 U...

Страница 6: ...al Parts 230 3 1 Outdoor Unit 230 3 2 Indoor Side 231 4 Option List 234 4 1 Option List of Controllers 234 4 2 Option Lists Outdoor Unit 235 5 Example of Connection R 410A Type 236 5 1 Heat Recovery S...

Страница 7: ...plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipme...

Страница 8: ...e the welder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency Warning Be sure to use parts listed in the service parts list of the applicable model and appro...

Страница 9: ...cessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant mak...

Страница 10: ...ion platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sur...

Страница 11: ...V series Heat Recovery System Daikin offers a wide range of models to respond to building and office air conditioning needs We are confident that customers will be able to find the models that best su...

Страница 12: ...SiUS39 602 General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 3 3 Model Selection 4...

Страница 13: ...12M 18M 24M 30M 36M VJU Slim Ceiling Mounted Duct Type FXDQ 07M 09M 12M 18M 24M Ceiling Mounted Built In Type FXSQ 12M 18M 24M 30M 36M 48M Ceiling Mounted Duct Type FXMQ 30M 36M 48M Ceiling Suspended...

Страница 14: ...g mounted duct type FXDQ07MVJU FXDQ09MVJU FXDQ12MVJU FXDQ18MVJU FXDQ24MVJU Floor standing type FXLQ12MVJU FXLQ18MVJU FXLQ24MVJU Ceiling mounted built in type FXSQ12MVJU FXSQ18MVJU FXSQ24MVJU FXSQ30MVJ...

Страница 15: ...ity Index of Indoor Units to be Connected 50 5 93 5 67 5 124 5 101 187 118 218 134 5 249 5 Type Model Name Power Supply Capacity Range 0 6ton 0 8ton 1ton 1 5ton 2ton 2 5ton 3ton 4ton VJU Capacity Inde...

Страница 16: ...SiUS39 602 Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Units 11 1 3 BS Units 23...

Страница 17: ...h 13 72 10 47 Number of Revolutions r p m 6480 2900 Motor Output Number of Units kW 2 7 4 5 1 Starting Method Direct on line Fan Type Propeller Fan Motor Output kW 0 75 1 Air Flow Rate cfm 7 400 Driv...

Страница 18: ...h 13 72 10 47 Number of Revolutions r p m 6480 2900 Motor Output Number of Units kW 2 7 4 5 1 Starting Method Direct on line Fan Type Propeller Fan Motor Output kW 0 75 1 Air Flow Rate cfm 7 400 Drive...

Страница 19: ...lutions r p m 6480 2900 2 Motor Output Number of Units kW 2 7 4 5 2 Starting Method Direct on line Fan Type Propeller Fan Motor Output kW 0 75 2 Air Flow Rate cfm 7 400 7 400 Drive Direct Drive Connec...

Страница 20: ...olutions r p m 6480 2900 2 Motor Output Number of Units kW 2 7 4 5 2 Starting Method Direct on line Fan Type Propeller Fan Motor Output kW 0 75 2 Air Flow Rate cfm 7 400 7 400 Drive Direct Drive Conne...

Страница 21: ...0 47 2 Number of Revolutions r p m 6480 2900 2 Motor Output Number of Units kW 2 7 4 5 2 Starting Method Direct on line Fan Type Propeller Fan Motor Output kW 0 75 2 Air Flow Rate cfm 7 400 7 400 Driv...

Страница 22: ...for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Piping Connecti...

Страница 23: ...Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Po...

Страница 24: ...Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Abso...

Страница 25: ...Fan Model Type Sirocco Fan Sirocco Fan Motor Output HP 0 17 0 17 Air Flow Rate H L cfm 440 350 H L 580 460 H L External Static Pressure 4 Pa 44 15 44 15 Drive Direct Drive Direct Drive Temperature Co...

Страница 26: ...emperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulat...

Страница 27: ...Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Materia...

Страница 28: ...3 43 Fan Model D11 2D3AA1VE 2D11 2D3AG1VE 2D11 2D3AF1VE Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output HP 0 21 0 36 0 58 Air Flow Rate H L cfm 690 565 1 020 810 1 270 1 020 External Static Pres...

Страница 29: ...ve Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbin...

Страница 30: ...180 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for...

Страница 31: ...2 29 2 29 Fan Model QCL9686 QCL9686 Type Cross Flow Fan Cross Flow Fan Motor Output HP 0 058 0 058 Air Flow Rate H L cfm 500 400 635 470 Drive Direct Drive Direct Drive Temperature Control Microproces...

Страница 32: ...ect Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and He...

Страница 33: ...Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and...

Страница 34: ...yethylene Flame and Heat Resistant Foamed Polyethylene Piping Connection Indoor Unit Liquid Pipes 3 8 Flare Connection 1 3 8 Flare Connection Gas Pipes 5 8 Flare Connection 1 5 8 Flare Connection Outd...

Страница 35: ...Specifications SiUS39 602 24 Specifications...

Страница 36: ...02 Refirgerant Circuit 25 Part 3 Refrigerant Circuit 1 Refrigerant Circuit 26 1 1 REYQ72M 96M 26 1 2 BSVQ36 60M 28 2 Functional Parts Layout 29 2 1 REYQ72M 96M 29 3 Refrigerant Flow for Each Operation...

Страница 37: ...essure R S2NPL Low pressure sensor Used to detect low pressure S S1PH HP pressure switch For INV compressor In order to prevent the increase of high pressure when a malfunction occurs this switch is a...

Страница 38: ...SiUS39 602 Refrigerant Circuit Refirgerant Circuit 27 REYQ72M 96M V F E 10 O P D 1 K M J G W L Z N H Q T S A R I B Y X 4 9 3 2 7 11 4D045329A...

Страница 39: ...n of indoor units C Capillary tube Used to lower the pressure and temperature of high pressure and high temperature liquid refrigerant and then sub cool the liquid refrigerant through the heat exchang...

Страница 40: ...ompressor INV Oil equalizing pipe stop valve Suction gas side stop valve Discharge gas side stop valve Electronic expansion valve Sub Y2E Electronic expansion valve Main Y1E Electronic expansion valve...

Страница 41: ...pe R7T Pressure sensor Low pressure S2NPL Thermistor Heat exchanger deicer R4T Thermistor Main heat exchanger gas pipe R81T Thermistor Suction pipe R2T Thermistor Sub cooling heat exchanger outlet R5T...

Страница 42: ...ON Heat exchanger Fan Electronic expansion valve Filter Filter High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure liquid or gas Indoor unit operatio...

Страница 43: ...N Heat exchanger Fan Electronic expansion valve Filter Filter High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure liquid or gas Indoor unit operation...

Страница 44: ...ON Heat exchanger Fan Electronic expansion valve Filter Filter High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure liquid or gas Indoor unit operation...

Страница 45: ...unit Thermostat ON Fan ON Indoor unit ON Heat exchanger Fan Electronic expansion valve Filter Filter High temperature high pressure gas High temperature high pressure liquid Low temperature low press...

Страница 46: ...valve Filter Filter High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure liquid or gas Indoor unit operation BS unit BS unit Heating Indoor unit Fan O...

Страница 47: ...sion valve Filter Filter High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure liquid or gas Indoor unit operation BS unit BS unit BS unit Electronic ex...

Страница 48: ...g Operation 52 3 4 Pressure Equalizing Control 53 3 5 Pump down Residual Operation 54 3 6 Restart Standby 56 3 7 Stopping Operation 57 4 Protection Control 59 4 1 High Pressure Protection Control 59 4...

Страница 49: ...d with outdoor air temperature Pc S1NPH Pressure value detected by high pressure sensor Pe S1NPL Pressure value detected by low pressure sensor SH Evaporator outlet superheat SHS Target evaporator out...

Страница 50: ...ration Compressor PI control Motorized valve PI control Protection control Indoor unit thermostat ON Defrost IN conditions are met No Yes Defrosting operation Cooling or heating operation Outdoor unit...

Страница 51: ...ipe stop valve SVSL OFF High pressure gas pipe pressure reduction valve SVC ON Actuator Operation Remarks Compressor Compressor PI control Used for high pressure control low pressure protection contro...

Страница 52: ...ontrols compressor capacity to adjust Te to achieve target value TeS Te Low pressure equivalent saturation temperature F Te setting TeS Target Te value Varies depending on Te setting operating frequen...

Страница 53: ...133Hz ON 26 158Hz ON 27 177Hz ON 28 202Hz ON 29 210Hz ON Compressors are operated in the order of descending priorities Compressors may operate in a pattern other than those listed in above tables sub...

Страница 54: ...189Hz ON ON 39 158Hz 189Hz ON ON 40 189Hz 189Hz ON ON 41 210Hz 189Hz ON ON 42 210Hz 210Hz ON ON Compressors are operated in the order of descending priorities Compressors may operate in a pattern oth...

Страница 55: ...8 189Hz OFF OFF OFF 19 202Hz OFF OFF OFF 20 210Hz OFF OFF OFF 21 52Hz 189Hz OFF OFF 22 74Hz 189Hz OFF OFF 23 96Hz 189Hz OFF OFF 24 116Hz 189Hz OFF OFF 25 133Hz 189Hz OFF OFF 26 158Hz 189Hz OFF OFF 27...

Страница 56: ...F but varies depending on the discharge pipe superheated degree of inverter compressor Sub cooling Motorized Valve EV3 Control Makes PI control of the motorized valve Y3E to keep the superheated degre...

Страница 57: ...t fan Fan Steps REYQ72M 96M STEP0 0rpm STEP1 300rpm STEP2 325rpm STEP3 355rpm STEP4 400rpm STEP5 500rpm STEP6 630rpm STEP7 880rpm STEP8 920rpm Upper limit of fan revolutions Step 8 Upper limit of outd...

Страница 58: ...ed Not used Condenser Not used Master unit Slave unit 1 Slave unit 2 Main heat exchanger Sub heat exchanger Evaporator Condenser Not used Not used Not used Not used Step B3 GR 900 GR 250 GR 250 GR 250...

Страница 59: ...or OFF 52Hz OFF Compressor operating frequency increases by 2 step 20 sec until Pc Pe 58 psi Outdoor unit fan OFF OFF 1 step 15 sec increases with Pc 319 psi 1 step 15 sec decreases with Pc 261 psi Fo...

Страница 60: ...Main motorized valve EV1 0 pls 180 pls 180 pls Sub motorized valve EV2 0 pls 0 pls 1000 pls Sub cooling motorized valve EV3 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF ON ON Oil equalization valve...

Страница 61: ...Post oil return operation Compressor Upper limit control 124 Hz ON 52 Hz OFF Outdoor unit fan Fan control Fan control Fan control Four way valve 1 OFF OFF OFF Four way valve 2 OFF OFF OFF Main motori...

Страница 62: ...y valve 1 Depend on previous heat exchange mode OFF ON Four way valve 2 Depend on previous heat exchange mode OFF OFF Main motorized valve EV1 Four way valve 1 OFF 1400 pls ON SH control 1400 pls 180...

Страница 63: ...P7 or STEP8 OFF STEP8 Four way valve 1 Depend on previous heat exchange mode OFF ON Four way valve 2 Depend on previous heat exchange mode OFF OFF Main motorized valve EV1 Four way valve 1 OFF 1400 pl...

Страница 64: ...74 Hz OFF Outdoor unit fan Depend on previous heat exchange mode STEP7 Four way valve 1 Depend on previous heat exchange mode ON Four way valve 2 Depend on previous heat exchange mode OFF Main motoriz...

Страница 65: ...exchanger 3 5 1 Pump down Residual Operation in Cooling Operation Actuator Operation Compressor 210 Hz OFF Outdoor unit fan Fan control Four way valve 1 OFF Four way valve 2 OFF Main motorized valve...

Страница 66: ...EV1 Four way valve 1 OFF 1400 pls ON 0 pls Sub motorized valve EV2 Four way valve 2 OFF 1400 pls ON 0 pls Sub cooling motorized valve EV3 0 pls Hot gas bypass valve SVP ON Oil equalization valve SVO...

Страница 67: ...OFF Outdoor unit fan Ta 86 F STEP5 Ta 86 F OFF Four way valve 1 Holds Note 1 Four way valve 2 Holds Note 1 Main motorized valve EV1 0 pls Sub motorized valve EV2 0 pls Sub cooling motorized valve EV2...

Страница 68: ...fan OFF Four way valve 1 Holds Note 1 Four way valve 2 Holds Note 1 Main motorized valve EV1 0 pls Sub motorized valve EV2 0 pls Sub cooling motorized valve EV3 0 pls Hot gas bypass valve SVP OFF Oil...

Страница 69: ...ischarging valve SVG OFF OFF Non operating unit liquid pipe stop valve SVSL OFF ON Mode transition conditions To Mode B when Tc Tl 0 27 Tc Ta 6 To Mode A when gas shortage signal is sent from indoor u...

Страница 70: ...compressor standby for 5 mins Pc HP pressure sensor detection value for each outdoor unit When occurring 3 times within 30 min HPS is activated without high pressure standby thus outputting the malfun...

Страница 71: ...Slave unit Stop Pe 36 psi Pe 58 psi Pe 10 psi Pe LP pressure sensor detection value for master unit When occurring 3 times within 30 min the malfunction code E4 is output Pe 23 psi Pe 19 psi Pe 36 ps...

Страница 72: ...p protection control not limited Discharge pipe temp control standby INV upper limit frequency 1 step down from current compressor frequency INV upper limit frequency 1 step up from current compressor...

Страница 73: ...upper limit frequency 1 step up from current compressor frequency Invertercurrent Ia Inverter current Ia continues for 3 min or more Inverter current Ib continues for 260 sec Inverter current Ic conti...

Страница 74: ...e to overcurrent to the compressor resulting from failures of STD compressor such as locking STD compressor ON CT detection current value A for more than 3 sec STD compressor OFF for 30 min Demand to...

Страница 75: ...the starting control Example The following diagram shows outdoor unit rotation in combination of 3 outdoor units Master unit and slave unit in this section are the names for installation They are det...

Страница 76: ...ressor from operating Set setting mode 2 from No 0 to No 2 Procedure 1 Press and hold the MODE button BS1 for 5 sec or more 2 Press the RETURN button BS3 once 3 Press the SET button BS2 one 4 Press th...

Страница 77: ...Setting with the slave unit becomes disabled Discriminate the operating status of the master unit slave units through the following LED display To inhibit the master unit from operating Set setting m...

Страница 78: ...by external control adapter is required Demand 1 setting Demand 2 setting Other protection control functions have precedence over the above operation 5 4 Heating Operation Prohibition Heating operati...

Страница 79: ...button 1 4 given in the figure below 6 1 1 When the Float Switch is Tripped While the Cooling Thermostat is ON 1 The objective of residual operation is to completely drain any moisture adhering to th...

Страница 80: ...eset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 6 1 4 When the Float Switch is Tripped and AF is Displayed on the Re...

Страница 81: ...t temperature Ex When cooling Assuming the preset temperature in the figure above is 75 F and the suction temperature has changed from 64 F to 86 F A F This example also assumes there are several othe...

Страница 82: ...n be used so that suction temperature is higher than the preset temperature Ex When heating Assuming the preset temperature in the figure above is 75 F and the suction temperature has changed from 64...

Страница 83: ...unit enters freeze prevention operation in accordance with the following conditions and is also set in accordance with the conditions given below Conditions for starting freeze prevention Temperature...

Страница 84: ...st Operation 1 Test Operation 74 1 1 Procedure and Outline 74 1 2 Operation When Power is Turned On 77 2 Outdoor Unit PC Board Layout 78 3 Field Setting 79 3 1 Field Setting from Remote Controller 79...

Страница 85: ...e size proper The design pressure of this product is 3 8MPa Are pipe insulation materials installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak Are respective stop v...

Страница 86: ...ed LED display in the case of multi outdoor unit system Same as that in emergency operation Discriminate the operating status of the master unit slave units through the following LED display Check on...

Страница 87: ...ulty installation work Alarm code Countermeasure Closed stop valve of outdoor unit E3 E4 F3 UF Liquid side stop valve Open Gas side stop valve Open Oil equalizing pipe stop valve Close Liquid side sto...

Страница 88: ...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 be...

Страница 89: ...oor Outdoor Multi outdoor 2 Set mode display LED 3 Mode setting switch 1 Microcomputer normal monitor 4 Local setting switch Connection terminal for transmission use DS1 DS2 DS3 HAP V3054 1 Microcompu...

Страница 90: ...ode 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 indoor...

Страница 91: ...e field set mode 2 Select the desired mode No with the button 3 Pushing the button select the first code No 4 Pushing the button select the second code No 5 Push the timer button and check the setting...

Страница 92: ...the FIELD SET MODE 3 Select the mode No 00 with BS2 BUTTON temperature setting and BS3 BUTTON temperature setting 4 Select the group No with BS9 BUTTON set A and BS10 BUTTON set B Group Nos increase...

Страница 93: ...alculation 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 thermo...

Страница 94: ...ng mounted duct type Ceiling suspended type Wall mounted type Floor standing type Concealed Floor standing type Multi flow FXFQ FXDQ FXSQ FXMQ FXHQ FXAQ FXLQ FXNQ Filter sign Ultra long life filter si...

Страница 95: ...er failure reset or the main power supply turned on again return to the same operation condition as that of before power failure For the above reasons when the unit is set enabling to utilize Auto res...

Страница 96: ...ts high performance filter etc is installed sets to change fan speed for securing air flow rate Follow the instruction manual for the optional parts to enter the setting numbers Mode No Setting Switch...

Страница 97: ...on 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 onl...

Страница 98: ...er for centralized control 1 When in the normal mode push button for 4 seconds or more and operation then enters the field set mode 2 Set mode No 00 with button 3 Set the group No for each group with...

Страница 99: ...out 1 minute on the liquid crystal display This is not an operative fault Centralized 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 100: ...tion 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 contr...

Страница 101: ...l 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 Unifie...

Страница 102: ...o not change the factory settings OFF Factory set DS3 1 2 ON Not used Do not change the factory settings OFF Factory set Caution DIP switch Setting after changing the main P C Board A1P to spare parts...

Страница 103: ...SET V2760 Setting mode 1 Monitor mode H1P Push the BS1 MODE button one time Blinking MODE MODE Off H1P Setting mode 2 MODE On H1P Push and hold the BS1 MODE button for 5 seconds Push the BS1 MODE butt...

Страница 104: ...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 Blinki...

Страница 105: ...on 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 outside 26 Night time low noise control...

Страница 106: ...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 External low...

Страница 107: ...27 Night time low noise operation end setting 8 7 8 8 7 8 8 About 6 00 8777778 About 7 00 8777787 About 8 00 factory setting 8777877 28 Power transistor check mode 8 7 8 8 8 7 7 OFF 8777778 ON 877778...

Страница 108: ...lower 14 Contents of malfunction the latest 8 7 7 8 8 8 7 Malfunction code table Refer page 125 126 15 Contents of malfunction 1 cycle before 8 7 7 8 8 8 8 16 Contents of malfunction 2 cycle before 8...

Страница 109: ...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 four...

Страница 110: ...E 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 wi...

Страница 111: ...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 external control adapter for outdo...

Страница 112: ...SiUS39 602 Field Setting Test Operation 101 Image of operation in the case of A Image of operation in the case of B Image of operation in the case of A and B...

Страница 113: ...ch on the outdoor unit PC board to the External low noise Demand YES Set by Setting Mode 2 2 Set the Demand 1 level setting on the outdoor unit PC board as the need arises During the demand level 1 in...

Страница 114: ...d power consumption has been set at factory V3082 The power consumption set with Demand 1 level setting When the Normal demand setting is set to ON OFF has been set at factory the power consumption ca...

Страница 115: ...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 Sett...

Страница 116: ...Mode 2 Factory setting z z z z 9 z Mode 3 z z z 9 z z 26 Night time low noise start setting z z z PM 8 00 z z z z z 9 PM 10 00 Factory setting z z z z 9 z PM 0 00 z z z 9 z z 27 Night time low noise...

Страница 117: ...equalizing Stop valve closed Is all refrigerant charged Is all refrigerant charged YES YES NO NO NO Turn off the power Charge through Service port of LIQ Stop valve Open DISCHARGE LIQUID SUCTION Oil e...

Страница 118: ...to start charging When the charging immediately stops even by restarting the refrigerant is charged excessively The refrigerant cannot be charged any more g Do not fail to fully open the stop valve o...

Страница 119: ...de 2 3 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 120: ...nly during inverter operation The waveform can be checked by disconnecting the wiring of compressor After the completion of checks return the system to the previous mode and wait for 30 seconds or mor...

Страница 121: ...Field Setting SiUS39 602 110 Test Operation...

Страница 122: ...nation Device 137 2 9 C4 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger 138 2 10 C5 Indoor Unit Malfunction of Thermistor R31T R32T for Gas Pipes 139 2 11 C9 Indoor Unit Malfunction of T...

Страница 123: ...UO Outdoor Unit Low Pressure Drop due to Refrigerant Shortage or Electronic Expansion Valve Failure 174 2 43 U1 Outdoor Unit Reverse Phase Open Phase 175 2 44 U2 Outdoor Unit Power Supply Insufficient...

Страница 124: ...M8 Malfunction of Transmission Between Optional Controllers for Centralized Control 202 4 4 MA Improper Combination of Optional Controllers for Centralized Control 203 4 5 MC Address Duplication Impro...

Страница 125: ...ion button for more than 4 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes After 10 seconds Press Inspection Test Operation button o...

Страница 126: ...malfunction the remote controller s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered...

Страница 127: ...duct all of the following operations 1 short beep Conduct steps 3 and 4 Continue the operation in step 4 until a buzzer remains ON The continuous buzzer indicates that the malfunction code is confirme...

Страница 128: ...SiUS39 602 Troubleshooting by Remote Controller Troubleshooting 117 The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed...

Страница 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...

Страница 130: ...FXAQ FXCQ FXKQ FXFQ FXHQ FXSQ FXLQ FXMQ FXNQ FXZQ FXDQ Type VRV System Inverter K Series R 407C VRV PLUS Series VRV Heat Recovery Series High COP type R 407C L Series VRV VRV Heat Recovery Display A...

Страница 131: ...r group control only Select the indoor unit No to be set with the time mode For wireless remote controller button 3 Make the settings required for each mode Modes 41 44 45 In case of Mode 44 45 push b...

Страница 132: ...ou want to search for the unit No By selecting the unit No with the button you can turn the fan of each indoor unit on forced ON individually 44 Individual setting Set the fan speed and air flow direc...

Страница 133: ...If a malfunction occurs during operation the operation lamp malfunction code and display of malfunctioning unit No let you know the contents and location of the malfunction When there is a stop due to...

Страница 134: ...147 E9 9 9 9 Malfunction of moving part of electronic expansion valve Y1E 3E 149 F3 9 9 9 Abnormal discharge pipe temperature 151 F6 9 9 9 Refrigerant overcharged 152 H3 8 7 9 Malfunction of High pres...

Страница 135: ...tion of transmission between indoor unit and outdoor unit in the same system 185 UA 9 9 9 Excessive number of indoor units etc 187 UC 8 8 8 Address duplication of central remote controller 188 UE 9 9...

Страница 136: ...em Abnormal connection with excessive number of indoor units Conflict of refrigerant type in indoor units Incorrect wiring Auto address error Malfunction of multi level converter abnormality in confli...

Страница 137: ...lfunction code E3 E4 E5 E6 E7 E9 H7 H9 HC HJ HF F3 F6 J2 J3 J4 J5 J6 J7 J8 J9 JA JC L4 L5 L8 L9 LC P1 P3 P4 PJ U0 U1 U2 U3 U4 U7 U9 UA UH UJ Malfunction code 1st digit display section Confirmation of...

Страница 138: ...als with the remote controller set to external ON OFF terminal Supposed Causes Actuation of external protection device Improper field set Defect of indoor unit PC board Troubleshooting V2776 Caution B...

Страница 139: ...be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of indoor unit PC board Troubleshooti...

Страница 140: ...FXSQ FXMQ FXHQ FXAQ Method of Malfunction Detection By float switch OFF detection Malfunction Decision Conditions When rise of water level is not a condition and the float switch goes OFF Supposed Ca...

Страница 141: ...ndoor unit PC board Loose connection of connector NO NO NO YES YES NO NO YES NO YES NO NO The float switch is connected to X8A of the indoor unit PC board NO The drain pump works when the power supply...

Страница 142: ...hen output voltage to the fan is maximum Supposed Causes Fan motor lock Disconnected or faulty wiring between fan motor and PC board Troubleshooting Caution Be sure to turn off power switch before con...

Страница 143: ...on Utilizes ON OFF of the limit switch when the motor turns Malfunction Decision Conditions When ON OFF of the micro switch for positioning cannot be reversed even though the swing flap motor is energ...

Страница 144: ...again Replace indoor unit PC board NO NO YES NO YES NO YES YES NO Indoor unit is a model equipped with a swing flap function The swing motor works when the power supply is turned off and then back on...

Страница 145: ...g part of electronic expansion valve Defect of indoor unit PC board Defect of connecting cable Troubleshooting V2781 Caution Be sure to turn off power switch before connect or disconnect connector or...

Страница 146: ...n valve Disconnect the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity Approx 300 Continuity Approx 150 No continuity Pin No 1 White...

Страница 147: ...the float switch changes from ON to OFF while the compressor is in non operation Supposed Causes Humidifier unit optional accessory leaking Defect of drain pipe upward slope etc Defect of indoor unit...

Страница 148: ...en the capacity code is not contained in the PC board s memory and the capacity setting adaptor is not connected 2 When a capacity that doesn t exist for that unit is set Supposed Causes You have forg...

Страница 149: ...cted or shorted while the unit is running Supposed Causes Defect of thermistor R2T for liquid pipe Defect of indoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperature character...

Страница 150: ...le the unit is running Supposed Causes Defect of indoor unit thermistor R31T R32T for gas pipe Defect of indoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperature characteristi...

Страница 151: ...nnected or shorted while the unit is running Supposed Causes Defect of indoor unit thermistor R1T for air inlet Defect of indoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperat...

Страница 152: ...mes disconnected or shorted while the unit is running Supposed Causes Defect of remote controller thermistor Defect of remote controller PC board Troubleshooting Note In case of remote controller ther...

Страница 153: ...correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of outdoor unit PC board A1P Troubleshoot...

Страница 154: ...switch Defect of outdoor unit PC board Instantaneous power failure Faulty high pressure sensor Troubleshooting 1 Actuation of high pressure switch HPS The outdoor unit PC board s connector is disconn...

Страница 155: ...tdoor unit PC board Stop valve is not opened Troubleshooting 1 Voltage measurement point 1 Refer to pressure sensor pressure voltage characteristics table on P 241 V2791 Caution Be sure to turn off po...

Страница 156: ...is detected Supposed Causes Compressor lock High differential pressure 72psi or more Incorrect UVWN wiring Faulty inverter PC board Stop valve is left in closed Troubleshooting Check the installation...

Страница 157: ...Troubleshooting Note Abnormal case The current sensor value is 0 during STD compressor operation The current sensor value is more than 15 0A during STD compressor operation Is the stop valve open NO O...

Страница 158: ...e system shuts down Supposed Causes Malfunction of fan motor The harness connector between fan motor and PC board is left in disconnected or faulty connector Fan does not run due to foreign matters ta...

Страница 159: ...ower supply cable YES Is the LED HAP on fan inverter PCB blinking NO Check No 9 Check on connector of fan motor Signal wire YES Are the resistance values between phases of U V W balanced Is there any...

Страница 160: ...ard A1P Defect of connecting cable Troubleshooting V3067 YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Return to normal Turn power...

Страница 161: ...n valve Disconnect the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity Approx 300 Continuity Approx 150 No continuity Pin No 1 White...

Страница 162: ...pipe temperature rises suddenly Supposed Causes Faulty discharge pipe temperature sensor Faulty connection of discharge pipe temperature sensor Faulty outdoor unit PC board Troubleshooting 1 Refer to...

Страница 163: ...r gas pipe temperature is lower than evaporating temperature during test operation Supposed Causes Refrigerant overcharge Disconnection of the receiver gas pipe thermistor Troubleshooting V2797 Cautio...

Страница 164: ...nector of fan motor connection cable Fan Inverter PC board malfunction Troubleshooting 1 Disconnect connector X2A and measure the following resistance V3069 Turn power off Caution Be sure to turn off...

Страница 165: ...ct of thermistor R1T for outdoor air Defect of outdoor unit PC board A1P Troubleshooting The alarm indicator is displayed when the fan only is being used also 1 Refer to thermistor resistance temperat...

Страница 166: ...becomes 5A or lower or 40A or more during standard compressor operation Supposed Causes Faulty current sensor Faulty outdoor unit PC board Troubleshooting V3071 Caution Be sure to turn off power switc...

Страница 167: ...ature thermistor is detected Supposed Causes Defect of thermistor R31T R32T for outdoor unit discharge pipe Defect of outdoor unit PC board A1P Troubleshooting The alarm indicator is displayed when th...

Страница 168: ...Supposed Causes Faulty heat exchanger gas pipe thermistor R81 82T Faulty outdoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperature characteristics table on P 239 V3075 Caution...

Страница 169: ...rature thermistor is detected Supposed Causes Defect of thermistor R2T for outdoor unit suction pipe Defect of outdoor unit PC board A1P Troubleshooting 1 Refer to thermistor resistance temperature ch...

Страница 170: ...xchange thermistor is detected Supposed Causes Defect of thermistor R4T for outdoor unit coil Defect of outdoor unit PC board A1P Troubleshooting 1 Refer to thermistor resistance temperature character...

Страница 171: ...r open Supposed Causes Faulty receiver outlet liquid pipe thermistor R6T Faulty outdoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperature characteristics table on P 239 V3075...

Страница 172: ...open Supposed Causes Faulty oil equalizing pipe thermistor R7T Faulty outdoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperature characteristics table on P 239 V3075 Caution Be...

Страница 173: ...ited or open Supposed Causes Faulty sub cooling heat exchanger gas pipe thermistor R5T Faulty outdoor unit PC board Troubleshooting 1 Refer to thermistor resistance temperature characteristics table o...

Страница 174: ...nnection of low pressure sensor with wrong connection Defect of outdoor unit PC board Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P...

Страница 175: ...high pressure sensor with wrong connection Defect of outdoor unit PC board Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P 241 V2808...

Страница 176: ...Actuation of fin thermal Actuates above 192 F Defect of inverter PC board Defect of fin thermistor Troubleshooting 1 Refer to thermistor resistance temperature characteristics table on P 239 V2811 Res...

Страница 177: ...er voltage than actual is displayed when the inverter output voltage is checked by tester Refer check 13 to P 213 V2812 Caution Be sure to turn off power switch before connect or disconnect connector...

Страница 178: ...nector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 10V Must be measured when frequency is stable Compressor overload Inspecti...

Страница 179: ...urn off power switch before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 10V Must be measured...

Страница 180: ...function Detection Check the communication state between inverter PC board and control PC board by micro computer Malfunction Decision Conditions When the correct communication is not conducted in cer...

Страница 181: ...The microcomputer monitor green on the inverter P C B is blinking The voltage between 2 pins of X1A on the inverter unit is 208 230 V YES Defect of outdoor main PC board or defect of inverter PC board...

Страница 182: ...defect After turning the power supply OFF check and repair the main circuit wiring or parts 1 Loose or disconnected wiring between power supply and inverter 2 K1M contact disposition fusion or contact...

Страница 183: ...s Malfunction is not decided while the unit operation is continued P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sensor Defect of inverter P...

Страница 184: ...the field setting or the type of the PC board is correct through the communication date is judged Supposed Causes Faulty or no field setting after replacing main PC board Mismatching of type of PC bo...

Страница 185: ...ture characteristics table on P 239 2 Refer to pressure sensor pressure voltage characteristics table on P 241 V2819 The suction pipe temperature minus coil temperature is 57 F or higher Resistance is...

Страница 186: ...onditions When a significant phase difference is made between phases Supposed Causes Power supply reverse phase Power supply open phase Defect of outdoor PC board A1P Troubleshooting V2820 Operation i...

Страница 187: ...YQ72M 96M Method of Malfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the capacitor above only ha...

Страница 188: ...rd YES NO NO Does the voltage between terminals P and N gradually rise to 283 VDC TJU after turning on Monitor field power supply Replace the inverter PC board The voltage between the P and N terminal...

Страница 189: ...onditions Malfunction is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting V3052 Has the check operation performed on Outdo...

Страница 190: ...n Detection Microcomputer checks if transmission between indoor and outdoor units is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time S...

Страница 191: ...door or outdoor outdoor unit transmission wiring YES NO NO YES Has the indoor or outdoor unit PC board been replaced or has the indoor outdoor or outdoor outdoor unit transmission wiring been modified...

Страница 192: ...indoor unit PC board Defect of remote controller PC board Malfunction of transmission caused by noise Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or...

Страница 193: ...r units Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Improper connection of transmission wiring between outdoor unit and e...

Страница 194: ...ELECT to IND YES Fix the outdoor units multi connection transmission wiring and reset power NO Is the outdoor units multi connection transmission wiring normal Is the indoor outdoor unit transmission...

Страница 195: ...t continue for specified period Supposed Causes Malfunction of transmission between main and sub remote controller Connection between sub remote controllers Defect of remote controller PC board Troubl...

Страница 196: ...etection Detect the malfunction signal of any other indoor unit within the system concerned Malfunction Decision Conditions When the malfunction decision is made on any other indoor unit within the sy...

Страница 197: ...tes or more NO YES Refer to failure diagnosis for U4 malfunction code NO YES U9 has been displayed for 2 minutes or more NO Turn on all indoor units Refer to failure diagnosis for A1 malfunction code...

Страница 198: ...utdoor PC board was not conducted after replacing to spare parts PC board Troubleshooting The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoo...

Страница 199: ...Conditions The malfunction decision is made as soon as the abnormality aforementioned is detected Supposed Causes Address duplication of centralized remote controller Defect of indoor unit PC board Tr...

Страница 200: ...f Malfunction Detection Microcomputer checks if transmission between indoor unit and centralized controller is normal Malfunction Decision Conditions When transmission is not carried out normally for...

Страница 201: ...incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly C...

Страница 202: ...ck operation Defect of indoor unit PC board Stop valve is left in closed Troubleshooting Note Wiring check operation may not be successful if carried out after the outdoor unit has been off for more t...

Страница 203: ...s Undefined Remote Controller Display UH Applicable Models All models of indoor units REYQ72M 96M Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Improper connection of...

Страница 204: ...he first time after installation or after an indoor or outdoor unit PC board has been replaced Is indoor outdoor and outdoor outdoor unit transmission wiring normal YES Normal NO Does a malfunction oc...

Страница 205: ...he DIII NET polarity circuit Malfunction Decision Conditions When polarity and polarity are detected at the same time Supposed Causes Defect of central remote controller PC board Troubleshooting Turn...

Страница 206: ...d control Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V2833 Is transmission wiring disconnected or wired incorrectly...

Страница 207: ...t the malfunction according to DIII NET transmission data Malfunction Decision Conditions When the schedule timer is set to individual use mode other central component is present When multiple master...

Страница 208: ...o that the connector for setting master controller is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously...

Страница 209: ...ster controller mode or slave controller mode Supposed Causes Address duplication of centralized controller Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connec...

Страница 210: ...on Detection Microcomputer checks if transmission between indoor unit and centralized controller is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain a...

Страница 211: ...d incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly...

Страница 212: ...y circuit Malfunction Decision Conditions When polarity and polarity are detected at the same time Supposed Causes Defect of schedule timer PC board Troubleshooting Caution Be sure to turn off power s...

Страница 213: ...shooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V2838 Is transmission wiring disconnected or wired incorrectly The PC board of...

Страница 214: ...ction Detect the malfunction according to DIII NET transmission data Malfunction Decision Conditions When the schedule timer is set to individual use mode other central component is present When multi...

Страница 215: ...or setting master controller when the malfunction is cleared is defective and must be replaced Reset the power supply for all optional controllers for centralized control simultaneously YES NO Is the...

Страница 216: ...ta Malfunction Decision Conditions When two or more schedule timers are connected Supposed Causes Address duplication of schedule timer Troubleshooting Caution Be sure to turn off power switch before...

Страница 217: ...models of indoor units Unified ON OFF controller Method of Malfunction Detection Detect the malfunction according to DIII NET transmission data Malfunction Decision Conditions Supposed Causes Malfunc...

Страница 218: ...ter controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board Reset...

Страница 219: ...he centralized controller which was connected once shows no response The control ranges are overlapped When multiple master central controller are present When the schedule timer is set to individual...

Страница 220: ...schedule timer NO YES YES NO NO Fix the wiring correctly Set reset switch to normal NO NO YES YES YES Is the power supply turned on for all optional controllers for centralized control Reset power sup...

Страница 221: ...roller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Disconnect the connector for setting master controller from the master con...

Страница 222: ...t for indoor unit Improper control range setting switch Improper wiring of transmission wiring Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts...

Страница 223: ...elay connector is disconnected Check No 9 Check on connector of fan motor Signal wire 1 Turn off the power supply 2 Measure the resistance between Vcc and each phase of U V W and GND and each phase at...

Страница 224: ...compressor to locate where the malfunction occurs switching to the power transistor check mode of inverter in the service mode setting enables not to judge the position detection signal malfunction b...

Страница 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...

Страница 226: ...lacement Procedure for INV Compressor VRV REYQ72M 96M 215 Part 7 Replacement Procedure for INV Compressor VRV REYQ72M 96M 1 Replacement Procedure for INV Compressor VRV REYQ72M 96M 216 1 1 Replacement...

Страница 227: ...ressor 8 Remove the rubber caps put on the suction and discharge pipe of the new compressor to release the sealing nitrogen gas Take note that oil may spout due to the pipe inside pressure if the plug...

Страница 228: ...arts 230 3 1 Outdoor Unit 230 3 2 Indoor Side 231 4 Option List 234 4 1 Option List of Controllers 234 4 2 Option Lists Outdoor Unit 235 5 Example of Connection R 410A Type 236 5 1 Heat Recovery Syste...

Страница 229: ...Piping Diagrams SiUS39 602 218 Appendix 1 Piping Diagrams 1 1 Outdoor Unit REYQ72M 96MTJU 4D045329A...

Страница 230: ...24MVJU FXLQ 12M 18M 24MVJU FXNQ 12M 18M 24MVJU R1T Thermistor for suction air temperature R2T Thermistor for liquid line temperature R3T Thermistor for gas line temperature J DU220 602J Heat exchanger...

Страница 231: ...Piping Diagrams SiUS39 602 220 Appendix FXDQ Refrigerant pipe connection port diameters 4D043864H Model Gas Liquid FXDQ07M 09M 12M 18MVJU 1 2 1 4 FXDQ24MVJU 5 8 3 8...

Страница 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...

Страница 233: ...Wiring Diagrams for Reference SiUS39 602 222 Appendix 2 Wiring Diagrams for Reference 2 1 Outdoor Unit REYQ72 96MTJU 3D044892C...

Страница 234: ...SiUS39 602 Wiring Diagrams for Reference Appendix 223 2 2 Field Wiring REYQ72 96MTJU C 3D050361A...

Страница 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...

Страница 236: ...SiUS39 602 Wiring Diagrams for Reference Appendix 225 2 3 Indoor Unit FXFQ12M 18M 24M 30M 36MVJU FXDQ07M 09M 12M 18M 24MVJU 3D042620B 3D050501A...

Страница 237: ...Wiring Diagrams for Reference SiUS39 602 226 Appendix FXSQ12M 18M 24M 30M 36M 48MVJU FXMQ30M 36M 48MVJU 3D043177A 3D043176A...

Страница 238: ...SiUS39 602 Wiring Diagrams for Reference Appendix 227 FXAQ07M 09M 12M 18M 24MVJU FXHQ12M 24M 36M 3D046039C 3D048116...

Страница 239: ...Wiring Diagrams for Reference SiUS39 602 228 Appendix FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...

Страница 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...

Страница 241: ...r gas discharge SVG Y4S VPV 603D Solenoid valve Discharge gas pipe closing SVR Y5S BPV1706 Solenoid valve Non operating unit liquid pipe closing SVSL Y6S VPV 803DXF Solenoid valve High pressure gas pi...

Страница 242: ...stor for Heat Exchanger High Temp R3T ST8605 3 8 L630 20k 77 F Thermistor Heat Exchanger R2T ST8602A 3 6 L630 20k 77 F Others Float Switch S1L FS 0211 Fuse F1U 250V 5A 5 2 Transformer T1R TR25H25R0 Pa...

Страница 243: ...r BRC4C82 Motors Fan Motor M1F 1 160W 1 270W 1 430W Thermal protector 275 F OFF 188 6 F ON Capacitor for Fan Motor C1R 6 F 450V 9 F 450V 8 F 450V Thermistors Thermistor Suction Air R1T ST8601A 5 4 L10...

Страница 244: ...BRC1C71 Option Wireless Remote Controller Motors Fan Motor M1F 1 25W 1 35W Thermal protector 275 F OFF 248 F ON Capacitor for Fan Motor C1R 0 5 F 450V 1 5 F 450V 2 0 F 450V Thermistors Thermistor Suc...

Страница 245: ...t Touch Controller basic Hardware intelligent Touch Controller DCS601C71 Air Conditioning management system that can be controlled by a compact all in one unit Option Software Web DCS004A71 Monitors a...

Страница 246: ...y Type Models Optional accessories REYQ72 96MTJU REYQ144 168 192MTJU Distributive piping REFNET header Model KHRP25M33H Max 8 branch KHRP25M33H KHRP25M72H Max 8 branch Max 8 branch REFNET joint Model...

Страница 247: ...oint Further branches cannot be included in the system below the REFNET header branch Notes 1 When the capacity ratio of the indoor system to the outdoor unit is more than 100 and when all the indoor...

Страница 248: ...ing exceed the refrigerant piping size chosen by general system model name How to calculate the additional refrigerant to be charged If a negative result is gotten for R from the formula at right no r...

Страница 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...

Страница 250: ...8 44 05 136 4 58 5 74 48 2 9 41 95 138 2 59 5 14 50 0 10 39 96 140 0 60 4 96 51 8 11 38 08 141 8 61 4 79 53 6 12 36 30 143 6 62 4 62 55 4 13 34 62 145 4 63 4 46 57 2 14 33 02 147 2 64 4 30 59 0 15 31...

Страница 251: ...92 249 8 121 7 26 71 6 22 228 05 161 6 72 32 78 251 6 122 7 06 73 4 23 218 24 163 4 73 31 69 253 4 123 6 87 75 2 24 208 90 165 2 74 30 63 255 2 124 6 69 77 0 25 200 00 167 0 75 29 61 257 0 125 6 51 7...

Страница 252: ...PH Detected Pressure High Side PL Detected Pressure Low Side VH Output Voltage High Side VDC VL Output Voltage Low Side VDC PH 1 38V 0 69 PL 0 57V 0 28 PH High pressure VL Low pressure V Voltage V Ou...

Страница 253: ...lacing The Inverter s Power Transistors and Diode Modules Decision according to continuity check by analog tester Before checking disconnect the electric wiring connected to the power transistor and d...

Страница 254: ...verter PC Board Decision If other than given above the power unit is defective and must be replaced Note If using a digital tester and continuity may be reversed Diode Module Decision If other than gi...

Страница 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...

Страница 256: ...SiUS39 602 Precautions for New Refrigerant R 410A 245 Part 9 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 246 1 1 Outline 246 1 2 Service Tools 248...

Страница 257: ...erant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 MPa 10 1...

Страница 258: ...New Refrigerant R 410A 247 Thermodynamic characteristic of R 410A Temperature Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specific...

Страница 259: ...07C R 22 Gauge manifold Charge hose 2Do not use the same tools for R 22 and R 410A 2Thread specification differs for R 410A and R 407C Gas detector 2The same tool can be used for HFCs Vacuum pump pump...

Страница 260: ...pipe extension margin of 0 to 0 5mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with...

Страница 261: ...um degree of vacuum 50 l min 50Hz Select a vacuum pump which is able to keep 60 l min 60Hz the vacuum degree of the system in excess of 2 Suction port UNF7 16 20 1 4 Flare 14 6 psi 5 torr or 5000 micr...

Страница 262: ...Since HFCs do not contain chlorine new tester detects hydrogen 5 Refrigerant oil Specifications 2 Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle 2 Offers hi...

Страница 263: ...sure 3685 psi 259 kg cm2 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 nylon coate...

Страница 264: ...t R 410A Precautions for New Refrigerant R 410A 253 Regarding purchasing of service tools please contact following address Daikin U S Corporation Dallas Office 1645 Wallace Dr Ste 110 Carrollton TX 75...

Страница 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...

Страница 266: ...oor Unit 181 U7 Malfunction of Transmission between Outdoor Units 182 U8 Malfunction of Transmission between MAIN and SUB Remote Controllers 184 U9 Malfunction of Transmission between Indoor Units and...

Страница 267: ...Expansion Valve 20E 134 Inverter Compressor Abnormal 166 Inverter Current Abnormal 167 Inverter Over Ripple Protection 171 Inverter Protection Control 62 Inverter Start up Error 168 J J2 155 J3 156 J...

Страница 268: ...rant Flow for Each Operation Mode 31 Refrigerant recovery vacuuming mode setting 95 Remote Controller Self Diagnosis Function 122 Replacement Procedure for INV Compressor VRV REYQ72M 96M 216 Restart S...

Страница 269: ...SiUS39 602 iv Index...

Страница 270: ...Centralized Controller and Indoor Unit 199 UE Malfunction of Transmission between Centralized Controller and Indoor Unit 189 UF System is not Set yet 191 UH Malfunction of System Refrigerant System A...

Страница 271: ...Malfunction of Thermistor R31T R32T for Gas Pipes 139 Malfunction of Thermistor R4T for Outdoor Unit Heat Exchanger 159 Malfunction of Thermostat Sensor in Remote Controller 141 Malfunction of Transm...

Страница 272: ...ntroller 69 When the Float Switch is Tripped During Heating Operation 69 When the Float Switch is Tripped While Cooling OFF by Thermostat 68 When the Float Switch is Tripped While the Cooling Thermost...

Страница 273: ...This book is made of recycled paper SiUS39 602 Printed in U S A 10 2006 AK 1645 Wallace Drive Suite 110 Carrollton TX75006 info daikinac com www daikinac com AMERICAS...

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