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Troubleshooting by Indication on the Remote Controller

Si34-603

170

Troubleshooting

3.35

“

LC

”

 Outdoor Unit: 

Malfunction of Transmission between 

Inverter and Control PC Board

Remote 
Controller 
Display

LC

Applicable 
Models

RX(Y)MQ4~6P

Method of 
Malfunction 
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 certain period.

Supposed 
Causes

„

Malfunction of connection between the inverter microcomputer and outdoor control 
microcomputer

„

Defect of outdoor unit PC board

„

Defect of noise filter

„

External factor (Noise etc.)

Troubleshooting

Caution

Be sure to turn off power switch before connect or disconnect connector, 
or parts damage may be occurred.

The voltage

between red and

white of X1A on the inverter

unit is the power supply

voltage. 

Check the noise filter (A3P) for 
disconnection, and check the 
power supply wiring.

Replace outdoor unit PC board 
(A1P).

When the LC malfunction occur 
again, replace control PC board.

NO

YES

NO

The

microcomputer

monitor (green) on the 

outdoor unit PC board 

(A1P) is 

blinking. 

Replace outdoor unit PC board 
(A1P).

YES

Содержание RXMQ4 5 6PVE

Страница 1: ...Si34 603 Service Manual R 410A RX Y MQ4 5 6PVE Si34 603 RX Y MQ4 5 6PVE R 410A Heat Pump 50 60Hz Cooling Only 50 60Hz...

Страница 2: ...List of Electrical and Functional Parts 36 1 1 Outdoor Unit 36 1 2 Indoor Unit 37 Part 4 Refrigerant Circuit 43 1 Refrigerant Circuit 44 1 1 RX Y MQ4 5 6P 44 2 Functional Parts Layout 46 2 1 RX Y MQ4...

Страница 3: ...shooting 113 2 Troubleshooting by Remote Controller 116 2 1 The INSPECTION TEST Button 116 2 2 Self diagnosis by Wired Remote Controller 117 2 3 Self diagnosis by Wireless Remote Controller 118 2 4 Op...

Страница 4: ...ressure Sensor 164 3 30 L1 Outdoor Unit Malfunction of PC Board 165 3 31 L4 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise 166 3 32 L5 Outdoor Unit Inverter Compressor Abnormal 16...

Страница 5: ...Computer Integrate Control Blinks Repeats Single Blink 198 5 3 Display Under Host Computer Integrate Control Blinks Repeats Double Blink 201 Part 8 Appendix 205 1 Piping Diagrams 206 1 1 Outdoor Unit...

Страница 6: ...ug 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 equipment...

Страница 7: ...e applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or...

Страница 8: ...ce valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves a...

Страница 9: ...l shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainag...

Страница 10: ...Pump Cooling Only 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 suit th...

Страница 11: ...Introduction Si34 603 x...

Страница 12: ...Si34 603 General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3 2 1 Indoor Units 3 3 Capacity Range 4...

Страница 13: ...ounted Cassette Corner Type FXKQ 25MA 32MA 40MA 63MA Slim Ceiling Mounted Duct Type FXDQ PVE 20P 25P 32P FXDQ PVET 20P 25P 32P FXDQ NAVE 20NA 25NA 32NA 40NA 50NA 63NA FXDQ NVET 20N 25N 32N 40N 50N 63N...

Страница 14: ...XKQ25MA FXKQ32MA FXKQ40MA FXKQ63MA Floor Standing Type FXLQ20MA FXLQ25MA FXLQ32MA FXLQ40MA FXLQ50MA FXLQ63MA Slim Ceiling Mounted Duct Type FXDQ20P FXDQ20N A FXDQ25P FXDQ25N A FXDQ32P FXDQ32N A FXDQ40...

Страница 15: ...pe Double Flow FXCQ 20M 25M 32M 40M 50M 63M 80M 125M Ceiling Mounted Cassette Type Multi Flow FXFQ 25M 32M 40M 50M 63M 80M 100M 125M Ceiling Mounted Cassette Corner Type FXKQ 25MA 32MA 40MA 63MA Slim...

Страница 16: ...Si34 603 Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Units 10...

Страница 17: ...ng Method Direct on line Direct on line Fan Type Propeller Fan Propeller Fan Motor Output W 70 2 70 2 Air Flow Rate m min 106 106 Drive Direct Drive Direct Drive Connecting Pipes Liquid Pipe mm 9 5 Fl...

Страница 18: ...p m 6 480 Motor Output Number of Units kW 3 5 1 Starting Method Direct on line Fan Type Propeller Fan Motor Output W 70 2 Air Flow Rate m min 106 Drive Direct Drive Connecting Pipes Liquid Pipe mm 9 5...

Страница 19: ...Air Flow Rate m min 106 106 Drive Direct Drive Direct Drive Connecting Pipes Liquid Pipe mm 9 5 Flare Connection 9 5 Flare Connection Gas Pipe mm 15 9 Flare Connection 15 9 Flare Connection Machine We...

Страница 20: ...ne Fan Type Propeller Fan Motor Output W 70 2 Air Flow Rate m min 106 Drive Direct Drive Connecting Pipes Liquid Pipe mm 9 5 Flare Connection Gas Pipe mm 19 1 Brazing Connection Machine Weight kg 125...

Страница 21: ...l Urethane Foam Piping Connections Liquid Pipes mm 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection Gas Pipes mm 12 7 Flare Connection 12 7 Flare Connection 12 7 Fla...

Страница 22: ...Wool Urethane Foam Piping Connections Liquid Pipes mm 6 4 Flare Connection 9 5 Flare Connection 9 5 Flare Connection 9 5 Flare Connection Gas Pipes mm 12 7 Flare Connection 15 9 Flare Connection 15 9...

Страница 23: ...olyurethane Form Polyurethane Form Polyurethane Form Polyurethane Form Piping Connections Liquid Pipes mm 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection Gas Pipes...

Страница 24: ...ion Material Polyurethane Form Polyurethane Form Polyurethane Form Polyurethane Form Piping Connections Liquid Pipes mm 9 5 Flare Connection 9 5 Flare Connection 9 5 Flare Connection 9 5 Flare Connect...

Страница 25: ...on 6 4 Flare Connection 6 4 Flare Connection 9 5 Flare Connection Gas Pipes mm 12 7 Flare Connection 12 7 Flare Connection 12 7 Flare Connection 15 9 Flare Connection Drain Pipe mm VP25 External Dia 3...

Страница 26: ...H L m min 9 5 7 5 9 5 7 5 10 5 8 5 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heatin...

Страница 27: ...ate H L m min 10 5 8 5 12 5 10 0 16 5 13 0 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling an...

Страница 28: ...Air Flow Rate H L m min 9 5 7 5 9 5 7 5 10 5 8 5 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Coo...

Страница 29: ...30 1 Air Flow Rate H L m min 10 5 8 5 12 5 10 0 16 5 13 0 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat...

Страница 30: ...62 1 62 1 62 1 Air Flow Rate H L m min 9 5 7 5 9 5 7 5 10 5 8 5 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Ther...

Страница 31: ...rive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorb...

Страница 32: ...ct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Ab...

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

Страница 34: ...low Rate H L m min 14 11 5 14 11 5 14 11 5 19 5 16 cfm 494 406 494 406 494 406 688 565 External Static Pressure 50 60Hz Pa 157 157 118 108 4 157 157 118 108 4 157 157 118 108 4 157 160 108 98 4 Drive...

Страница 35: ...Steel Plate Dimensions H W D mm 390 1 110 690 390 1 110 690 Coil Cross Fin Coil Rows Stages Fin Pitch mm 3 16 2 0 3 16 2 0 Face Area m 0 319 0 319 Fan Model 2D11 2D3AG1VE 2D11 2D3AF1VE Type Sirocco F...

Страница 36: ...ve Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling...

Страница 37: ...5 5 cfm 265 159 282 177 318 194 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Mi...

Страница 38: ...12 19 14 cfm 424 318 530 424 671 494 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heatin...

Страница 39: ...247 212 247 212 282 212 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microproces...

Страница 40: ...2 cfm 388 300 494 388 565 424 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Micro...

Страница 41: ...8 6 cfm 247 212 247 212 282 212 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Mic...

Страница 42: ...14 11 16 12 cfm 388 300 494 388 565 424 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Hea...

Страница 43: ...Fan Turbo Fan Motor Output Number of Units W 45 1 90 1 90 1 Air Flow Rate H L m min 19 14 29 21 32 23 cfm 671 494 1 024 741 1 130 812 Drive Direct Drive Direct Drive Direct Drive Temperature Control M...

Страница 44: ...iquid Pipes 9 5mm Flare Connection 9 5mm Flare Connection 9 5mm Flare Connection Gas Pipes 15 9mm Flare Connection 15 9mm Flare Connection 15 9mm Flare Connection Outdoor Unit Liquid Pipes 9 5mm Flare...

Страница 45: ...Specifications Si34 603 34 Specifications...

Страница 46: ...Si34 603 List of Electrical and Functional Parts 35 Part 3 List of Electrical and Functional Parts 1 List of Electrical and Functional Parts 36 1 1 Outdoor Unit 36 1 2 Indoor Unit 37...

Страница 47: ...y valve Y1S STF 0404G A1P X25A Solenoid valve Hot gas Y2S TEV1620DQ2 A1P X26A Solenoid valve Unload circuit Y3S TEV1620DQ2 A1P X27A Pressure related parts Pressure switch INV S1PH ACB 4UB10 OFF 4 0 0...

Страница 48: ...r Heat Exchanger R2T ST8602A 5 6 L1000 20k 25 C Others Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Thermal Fuse TFu Transformer T1R Parts Name Symbol Model Remark FXCQ 20MVE FXCQ 25MVE FXCQ 32MVE F...

Страница 49: ...anger High Temp R3T ST8605 7 8 L1600 20k 25 C Thermistor Heat Exchanger R2T ST8602A 7 6 L1600 20k 25 C Others Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Transformer T1R TR22H21R8 Parts Name Symbol...

Страница 50: ...ST8605 7 8 L1600 20k 25 C Thermistor Heat Exchanger R2T ST8602A 6 6 L1250 20k 25 C Others Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Transformer T1R TR22H21R8 Parts Name Symbol Model Remark FXMQ...

Страница 51: ...C ST8605 6 8 L 1250 20k 25 C Thermistor Heat Exchanger R2T ST8602A 6 6 L 1250 20k 25 C ST8602A 6 6 L 1250 20k 25 C Others Fuse F1U 250V 5A 5 2 Transformer T1R TR22H21R8 Parts Name Symbol Model Remark...

Страница 52: ...mp R3T ST8605 9 8 L2500 20k 25 C Thermistor for Heat Exchanger R2T ST8602A 9 6 L2500 20k 25 C Others Fuse F1U AC250V 5A Transformer T1R TR22H21R8 Parts Name Symbol Model Remark FXNQ 20MAVE FXNQ 25MAVE...

Страница 53: ...2 Option Wireless Remote Controller BRC7C528W Motors Fan Motor M1F AC 220 240V 50Hz 1 45W 1 90W Thermal protector 130 C Thermal protector 130 C OFF 83 C ON Drain Pump M1P AC220 240V 50Hz AC220V 60Hz P...

Страница 54: ...Si34 603 Refrigerant Circuit 43 Part 4 Refrigerant Circuit 1 Refrigerant Circuit 44 1 1 RX Y MQ4 5 6P 44 2 Functional Parts Layout 46 2 1 RX Y MQ4 5 6P 46...

Страница 55: ...tch is activated at high pressure of 4 0 MPa or more to stop the compressor operation S Fusible plug In order to prevent the increase of pressure when abnormal heating is caused by fire or others the...

Страница 56: ...Si34 603 Refrigerant Circuit Refrigerant Circuit 45 C 3D052627A A P G N M D D O H F S E T...

Страница 57: ...Functional Parts Layout Si34 603 46 Refrigerant Circuit 2 Functional Parts Layout 2 1 RX Y MQ4 5 6P Birds eye view THERMISTOR SUCTION 2 R5T MARKING COLOR GREEN S1PH PRESSURE SWITCH...

Страница 58: ...topping Operation 59 4 Protection Control 60 4 1 High Pressure Protection Control 60 4 2 Low Pressure Protection Control 61 4 3 Discharge Pipe Protection Control 62 4 4 Inverter Protection Control 63...

Страница 59: ...operation Compressor PI control Electronic expansion valve PI control Protection control Indoor unit thermostat ON Defrost IN conditions are met No Yes Defrosting operation Cooling or heating operati...

Страница 60: ...r way valve OFF Main electronic expansion valve EV1 480 pls Subcooling electronic expansion valve EV3 PI control Hot gas bypass valve SVP OFF This valve turns on with low pressure protection control A...

Страница 61: ...ting TcS Target Tc value Varies depending on Tc setting operating frequency etc L M Normal factory setting H 43 46 49 STn INV Fullload INV Unload STn INV Fullload INV Unload STn INV Fullload INV Unloa...

Страница 62: ...g on the discharge pipe superheated degree of inverter compressor Subcooling Electronic Expansion Valve EV3 Control Makes PI control of the electronic expansion valve Y3E to keep the superheated degre...

Страница 63: ...un in Step 5 or higher When outdoor temperature 12 C it will run in Step 1 or higher 850rpm 715rpm 580rpm 445rpm 360rpm 285rpm 400rpm 250rpm 0 rpm M1F 815rpm 680rpm 545rpm 410rpm 325rpm 250rpm 0 rpm 0...

Страница 64: ...Pe 0 39MPa is achieved Outdoor unit fan STEP7 Ta 20 C OFF Ta 20 C STEP4 1 step 15 sec when Pc 2 16MPa 1 step 15 sec when Pc 1 77MPa Four way valve 20S1 Holds OFF OFF Main electronic expansion valve E...

Страница 65: ...nit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Take the current step as the upper limit 52 Hz Full load Low pressure constant control Same as t...

Страница 66: ...minute to reduce noise on changing of the four way valve Outdoor Unit Actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 140 Hz Fu...

Страница 67: ...the compressor stops for 1 minute to reduce noise on changing of the four way valve Outdoor unit actuator Defrost preparation operation Defrost operation Post Defrost operation Compressor Upper limit...

Страница 68: ...own Residual Operation in Heating Operation Actuator Pump down residual operation Step 1 Pump down residual operation Step 2 Compressor 124 Hz Full load 52 Hz Full load Outdoor unit fan Fan control Fa...

Страница 69: ...and to equalize pressure in the refrigerant system Actuator Operation Remarks Compressor OFF Outdoor unit fan Ta 30 C STEP4 Ta 30 C OFF Four way valve Keep former condition Main electronic expansion v...

Страница 70: ...s cleared up 3 6 1 When System is in Stop Mode Actuator Operation Compressor OFF Outdoor unit fan OFF Four way valve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electron...

Страница 71: ...sensor detection value INV upper limit frequency 3 step down from current compressor frequency When occurring 10 times within 60 minutes HPS is activated without high pressure standby thus outputting...

Страница 72: ...es within 30 min the malfunction code E4 is output Pe 0 15MPa Pe 0 30MPa Hot gas SVP OFF Hot gas SVP ON Ts Teg 8deg Pe 0 06MPa Pe 0 09MPa or After 10 sec Pe 0 17MPa Pe 0 17MPa Pe 0 20MPa Pe 0 07MPa Cu...

Страница 73: ...or air temperature Tp Value of compressor port temperature calculated by Tc and Te and suction superheated degree or Discharge pipe protection control not limited INV upper limit frequency 1 step down...

Страница 74: ...ency When occurring 4 times within 60 min the malfunction code L8 is output INV upper limit frequency 1 step down from current compressor frequency INV upper limit frequency 1 step up from current com...

Страница 75: ...with this mode additional setting of Continuous Demand Setting Demand 1 setting Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Heating o...

Страница 76: ...tton 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 the f...

Страница 77: ...set 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 Rem...

Страница 78: ...multi flow and corner types P0 P1 P2 P4 P3 P0 P1 P2 P4 P3 P0 P0 P1 P2 P4 P4 P2 P1 P0 P4 P4 P3 P2 P1 P0 P3 Existing position Draft prevention position Standard Setting position Ceiling soiling prevent...

Страница 79: ...temperature Ex When cooling Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 30 C A F This example also assumes there are several other...

Страница 80: ...be used so that suction temperature is higher than the preset temperature Ex When heating Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C...

Страница 81: ...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 82: ...ection LL Level Level Level Halt Swinging OFF Level Level Level Setting the wind direction OFF Level Level Level Cooling Thermostat of microcomputer dry is on Swinging L 1 Swinging Swinging Swinging S...

Страница 83: ...r the completion of defrosting in heating operation the indoor unit fan is controlled to prevent cold air from blasting out and ensure startup capacity Detail of operation When either the start condit...

Страница 84: ...t 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 3...

Страница 85: ...uits than 220 230V circuit Are the setscrews of wiring not loose Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of this product is...

Страница 86: ...ff valve Insufficient refrigerant Check if the additional refrigerant charge has been finished correctly Recalculate the required amount of refrigerant from the piping length and add an adequate amoun...

Страница 87: ...at 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 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: ...door Unit PC Board Layout Si34 603 78 Test Operation 2 Outdoor Unit PC Board Layout Outdoor unit PC board Caution Cover electric parts with an insulating sheet during inspection to prevent electric sh...

Страница 90: ...a minimum of four seconds and the FIELD SET MODE is entered 2 Select the desired MODE NO with the button 3 During group control when setting by each indoor unit mode No 20 22 and 23 have been selected...

Страница 91: ...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 settings...

Страница 92: ...oor unit mode No 20 22 and 23 have been selected push the BS8 BUTTON unit No and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group 5 Push the BS9 BUTTON set A and...

Страница 93: ...ter 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 Operationoutput Ma...

Страница 94: ...Concealed Floor standing type Ceiling suspended cassette type Multi flow Double flow Corner type FXFQ FXCQ FXKQ FXDQ FXSQ FXMQ FXHQ FXAQ FXLQ FXNQ FXUQ Filter sign Ultra long life filter sign Remote c...

Страница 95: ...ostat is OFF Since there is concern about draft if using fan speed up when thermostat is OFF you should take the setup location into consideration Setting Table Filter Specs Setting Standard Long Life...

Страница 96: ...uently the user might be surprised with question for the reason why 2 In the service work for example turning off the main power switch during the unit is in operation and turning on the switch again...

Страница 97: ...to 01 Setting Table Setting of Air Flow Direction Adjustment Only the model FXKQ has the function When only the front flow is used sets yes no of the swing flap operation of down flow Setting Table Mo...

Страница 98: ...rts 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 Setting of the static...

Страница 99: ...tem to Field Setting Mode 2 Select the MODE No 00 with the button 3 Use the button to select the group No for each group Group numbers increase in the order of 1 00 1 01 1 15 2 00 4 15 4 Press to set...

Страница 100: ...to the normal mode Group No Setting Example Caution When turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for ab...

Страница 101: ...ion 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 contro...

Страница 102: ...by remote controller Controlmode Operation OFF Temperature control Operation mode setting Unified operation individual operation by central remote controller or operation controlled by timer Unified...

Страница 103: ...field settings are made by dip switches on PC board Dipswitch Setting item Description No Setting DS1 1 ON Cool Heat change over setting Used to set cool heat change over setting by remote controller...

Страница 104: ...ing setting Please Attach the Capacity Setting Adapter corresponding to Capacity Class ex 112 140 160 in connector X51A See Below Capacity Setting Adapter Capacity Class 4 112 5 140 6 160 CAPACITY SET...

Страница 105: ...SET BS3 RETURN BS4 TEST BS5 RESET 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...

Страница 106: ...ODE BS1 button to set the system to Setting mode 1 Normally Setting mode 1 is set In case of other status push MODE BS1 button one time and set to Setting mode 1 Check the system for each condition th...

Страница 107: ...low noise operation start setting Sets starting time of nighttime low noise operation Night time low noise setting is also required 27 Night time low noise operation end setting Sets ending time of n...

Страница 108: ...setting 8 7 7 8 7 7 8 High 8777877 Normal factory setting 8777787 Low 8777778 10 Defrost changeover setting 8 7 7 8 7 8 7 Quick defrost 8777877 Normal factory setting 8777787 Slow defrost 8777778 12 E...

Страница 109: ...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 110: ...able Refer to page 124 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 Contents of retry the latest 8 7 8 7 8 7 7 21 Contents of retr...

Страница 111: ...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 112: ...CHANGEOVER UNDER CONTROL is flashing in all connected remote controllers Select an indoor unit to be used as the master unit in accordance with the request from the customer It is recommended to sele...

Страница 113: ...y for Each Outdoor Unit System by Cool Heat Switching Remote Controller It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PC board DS1 1 to OUT factory set Set co...

Страница 114: ...e in Setting mode 2 select the setting condition i e 20 00 22 00 or 24 00 for set item No 26 Setting of start time of nighttime low noise operation Use the start time as a guide since it is estimated...

Страница 115: ...lect the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode Image of operation Set item Condition Content Demand Mode 1 The compressor operates at approx 60 o...

Страница 116: ...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 Setting No...

Страница 117: ...z 9 9 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 end setting z z AM 6 00 z z z z z 9 AM 7 00 z z z...

Страница 118: ...e to the service port for additionally charging the refrigerant In the stopped status set to ON the refrigerant additional charging operation A in set mode 2 H1P Turn on The operation is automatically...

Страница 119: ...rigerant Recovery Vacuuming mode to ON The respective expansion valve of indoor and outdoor units are fully opened TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote controller a...

Страница 120: ...nt 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 coming out or misplacing with sucti...

Страница 121: ...Field Setting Si34 603 110 Test Operation...

Страница 122: ...Malfunction of Thermistor R2T for Heat Exchanger 141 3 10 C5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 142 3 11 C9 Indoor Unit Malfunction of Thermistor R1T for Suction Air 143 3 12 CA I...

Страница 123: ...nsmission between Remote Controller and Indoor Unit 180 3 43 U8 Malfunction of Transmission between Main and Sub Remote Controllers 181 3 44 U9 Malfunction of Transmission between Indoor and Outdoor U...

Страница 124: ...ystem is controlled so as not to put unreasonable loads on the system Normal operation The system will automatically start operation after a lapse of five minutes Pressing the TEMP ADJUST button immed...

Страница 125: ...tion Indoor and outdoor units After the completion of defrosting operation the system is switched to heating operation Defrosted moisture turns to be vapor and comes out from the units Normal operatio...

Страница 126: ...system is checking to be sure the remote controller is normal Normal operation This code is displayed for a period of approximately one minute at maximum 16 The outdoor unit compressor or the outdoor...

Страница 127: ...on 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 on...

Страница 128: ...lfunction code and malfunction contents Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in check mode pressing and holding the ON OFF button for a period of five sec...

Страница 129: ...uct 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 confirmed...

Страница 130: ...Si34 603 Troubleshooting by Remote Controller Troubleshooting 119 The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed...

Страница 131: ...RXYP RSEYP RSXYP L RXYQ M RXYQ MA RXYQ P RXYMQ P Unit Malfunction code Inspection Normal display No display 0 L 0 Malfunction code blinks when a malfunction occurs Unit Malfunction code Inspection Ins...

Страница 132: ...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 bu...

Страница 133: ...the fan ON by each unit When you 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 th...

Страница 134: ...on code and display of malfunctioning unit No let you know the contents and location of the malfunction When there is a stop due to malfunction the contents of the malfunction given below can be diagn...

Страница 135: ...ck or over current E7 9 9 9 Malfunction of outdoor unit fan motor 152 E9 9 9 9 Malfunction of moving part of electronic expansion valve Y1E Y2E 153 F3 9 9 9 Abnormal discharge pipe temperature 155 F6...

Страница 136: ...n of indoor and outdoor units indoor units and remote controller 184 UC 8 8 8 Address duplication of central remote controller 185 UE 9 9 9 Malfunction of transmission between central remote controlle...

Страница 137: ...tion of DC fan 2 motor lock Malfunction of electronic expansion valve EV1 E9 EV3 Faulty sensor of outdoor air temperature Faulty Ta sensor short H9 Abnormal discharge pipe temperature Abnormal Td F3 A...

Страница 138: ...7 7 7 7 9 7 7 9 9 J3 9 7 9 9 7 9 7 7 9 9 9 7 7 7 7 9 7 7 1 J5 9 7 9 7 9 9 7 7 7 7 9 7 7 9 7 7 7 7 9 7 9 J6 9 7 9 9 7 9 7 7 7 7 9 7 7 J7 9 7 9 9 9 9 7 7 7 7 9 7 7 J9 9 9 7 7 9 9 7 7 7 7 9 7 7 JA 9 9 7...

Страница 139: ...tion Contents of malfunction Malfunction code Open phase Power supply imbalance Imbalance of inverter power supply voltage P1 Faulty temperature sensor of inverter radiation fin Faulty thermistor of i...

Страница 140: ...7 7 7 9 7 7 9 9 U2 9 7 7 9 7 9 7 7 7 7 9 7 7 1 9 7 7 7 7 7 9 9 7 7 7 7 9 7 7 9 7 9 7 7 7 7 9 7 7 7 9 U3 9 7 7 9 9 9 7 7 7 7 9 7 7 9 9 9 7 7 7 7 9 7 9 9 9 U4 9 7 9 7 7 9 7 7 7 7 9 7 7 9 9 9 7 7 7 7 9...

Страница 141: ...l protection device Improper field set Defect of indoor unit PC board Troubleshooting V2776 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occur...

Страница 142: ...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 Troubleshootin...

Страница 143: ...FXMQ FXHQ Option FXAQ Option 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 Su...

Страница 144: ...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 or X15A of the indoor unit PC board NO The drain pump works when the power supply i...

Страница 145: ...en 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 conn...

Страница 146: ...ection Utilizes ON OFF of the limit switch when the motor turns Malfunction Decision Conditions When ON OFF of the microswitch for positioning cannot be reversed even though the swing flap motor is en...

Страница 147: ...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 When the air flow di...

Страница 148: ...bleshooting V2781 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred After connecting turn the power supply off and then back on Replace th...

Страница 149: ...ectronic expansion valve Discount the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity Pin No 1 White 2 Yellow 3 Orange...

Страница 150: ...he 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 P...

Страница 151: ...n 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 forgo...

Страница 152: ...ected or shorted while the unit is running Supposed Causes Defect of thermistor R2T for liquid pipe Defect of indoor unit PC board Troubleshooting Refer to thermistor resistance temperature characteri...

Страница 153: ...rted while the unit is running Supposed Causes Defect of indoor unit thermistor R3T for gas pipe Defect of indoor unit PC board Troubleshooting Refer to thermistor resistance temperature characteristi...

Страница 154: ...onnected 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 Refer to thermistor resistance temperatu...

Страница 155: ...ecomes disconnected or shorted while the unit is running Supposed Causes Defect of indoor unit thermistor for air outlet Defect of indoor unit PC board Troubleshooting Refer to thermistor resistance t...

Страница 156: ...comes 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 th...

Страница 157: ...orrectly 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 Troubleshooti...

Страница 158: ...ntact of the high pressure protection switch opens Malfunction Decision Conditions Error is generated when the HPS activation count reaches the number specific to the operation mode Reference Operatin...

Страница 159: ...rmal See 2 Replace the main PCB The high pressure sensor is normal and the pressure detected with the PCB is also normal The high pressure has really become high CHECK 1 Referring to information on pa...

Страница 160: ...Method of Malfunction Detection Abnormality is detected by the pressure value with the low pressure sensor Malfunction Decision Conditions Error is generated when the low pressure is dropped under sp...

Страница 161: ...become low Referring to information on page 203 remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure...

Страница 162: ...pressor lock High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PC board Stop valve is left in closed Troubleshooting Check the installation conditions Is the stop valve op...

Страница 163: ...tor The harness connector between fan motor and PC board is left in disconnected or faulty connector Fan does not run due to foreign matters tangled Clearing condition Operate for 5 minutes normal Tro...

Страница 164: ...ller Display E9 Applicable Models RX Y MQ4 6P Method of Malfunction Detection Check disconnection of connector Check continuity of expansion valve coil Malfunction Decision Conditions Error is generat...

Страница 165: ...parts damage may be occurred Return to normal Turn power supply off and turn power supply on again Electronic expansion valve is connected to X21A and X22A of outdoor unit PC board A1P Normal when co...

Страница 166: ...sensor Faulty connection of discharge pipe temperature sensor Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P231 V3068 Caution Be su...

Страница 167: ...frigerant overcharge Misalignment of the thermistor for heat exchanger Defect of the thermistor for heat exchanger Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P...

Страница 168: ...circuit or open circuit Supposed Causes Defect of thermistor R1T for outdoor air Defect of outdoor unit PC board A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on...

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

Страница 170: ...e detected Supposed Causes Defect of thermistor R3T R5T for outdoor unit suction pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature characteristics tab...

Страница 171: ...xchange thermistor is detected Supposed Causes Defect of thermistor R4T for outdoor unit heat exchanger Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature c...

Страница 172: ...change thermistor is detected Supposed Causes Defect of thermistor R7T for outdoor unit liquid pipe Defect of outdoor unit PC board A1P Troubleshooting Refer to thermistor resistance temperature chara...

Страница 173: ...short circuited or open Supposed Causes Faulty subcooling heat exchanger gas pipe thermistor R6T Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristic...

Страница 174: ...w 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 P233 V2806 Caut...

Страница 175: ...e 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 P233 V2808 Caution Be su...

Страница 176: ...on Conditions In case of overcurrent OCP during waveform output When the current sensor malfunctions during synchronized operation When overvoltage occurs in SP PAM In case of IGBT malfunction Suppose...

Страница 177: ...rmistor Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Faulty heat radiation of power unit Air suction opening blocked...

Страница 178: ...ltage than actual is displayed when the inverter output voltage is checked by tester V2812 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurr...

Страница 179: ...occurred Output current check Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Compressor overload Inspection of the...

Страница 180: ...ff 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 5V Must be measured when f...

Страница 181: ...of connection between the inverter microcomputer and outdoor control microcomputer Defect of outdoor unit PC board Defect of noise filter External factor Noise etc Troubleshooting Caution Be sure to...

Страница 182: ...ter Malfunction Decision Conditions When the aforementioned voltage waveform becomes identical with the waveform of the power supply open phase Supposed Causes Defect of main circuit capacitor Imprope...

Страница 183: ...ed 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 outdoor unit PC board A1P Troublesho...

Страница 184: ...nction Detection Short of gas malfunction is detected by discharge pipe temperature thermistor and low pressure saturation temperature Malfunction Decision Conditions Microcomputer judge and detect if...

Страница 185: ...gas or refrigerant system is clogged Requires check of refrigerant system Replace the thermistor Replace the outdoor unit PC board A1P YES YES NO NO Out of gas closing of stop valve or refrigerant sys...

Страница 186: ...Malfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the abnormal voltage of main circuit capacitor...

Страница 187: ...ndred of ohms NO NO YES YES YES Replace the inverter PC board A1P Monitor the voltage Instantaneous voltage drop YES NO When the compressor is running measure the voltage between and of electrolytic c...

Страница 188: ...ns 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 Outdoor unit...

Страница 189: ...function 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...

Страница 190: ...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 All indoor uni...

Страница 191: ...nit 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 parts d...

Страница 192: ...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 Troubleshooting...

Страница 193: ...isplay U9 Applicable Models AII indoor unit models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Malfunction of transmission within or outside of other system Malfunc...

Страница 194: ...tes or more NO NO Refer to failure diagnosis for U4 malfunction code YES 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 195: ...outdoor unit system depends on the type of outdoor unit Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V3169 The total of indoor units...

Страница 196: ...sed Causes Address duplication of centralized remote controller Defect of indoor unit PC board Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts...

Страница 197: ...nction Detection Microcomputer checks if transmission between indoor unit and centralized remote controller is normal Malfunction Decision Conditions When transmission is not carried out normally for...

Страница 198: ...ired 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 correct...

Страница 199: ...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 than...

Страница 200: ...e occurred V2831 NO YES YES After fixing incorrect wiring push and hold the RESET button on the master outdoor unit PC board for 5 seconds Normal NO Is electricity being introduce for the first time a...

Страница 201: ...al remote controller Defect of indoor unit PC board Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is the power supply...

Страница 202: ...191 4 2 M1 PC Board Defect Remote Controller Display M1 Applicable Models Centralized remote controller Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Defect of centra...

Страница 203: ...V2833 Is transmission wiring disconnected or wired incorrectly The PC board of one of the optional controllers for centralized control is defective Try turning on off using each optional controllers f...

Страница 204: ...ntralized Control Remote Controller Display MA Applicable Models Centralized remote controller Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Improper combination of o...

Страница 205: ...nd reset the power supply for all optional controllers for centralized control simultaneously Arrange so that the connector for setting master control is connected to one controller for centralized co...

Страница 206: ...ecision Conditions Supposed Causes Address duplication of centralized remote controller Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage...

Страница 207: ...play Operation lamp blinks Applicable Models All models of indoor units Unified ON OFF controller Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Malfunction of transmi...

Страница 208: ...ting master 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 boa...

Страница 209: ...ble Models Unified ON OFF controller Central controller Schedule timer Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Address duplication of central remote controller...

Страница 210: ...roller or 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...

Страница 211: ...ntrol simultaneously Arrange so that the connector for setting master control is connected to one controller for centralized control and reset the power supply for all optional controllers for central...

Страница 212: ...wiring of transmission wiring Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred V2844 Is the switch for setting each addre...

Страница 213: ...measurement of the pressure sensor In cooling High suction air temperature of the condenser In heating High suction air temperature of outdoor unit Short circuit High ambient temperature Is the sucti...

Страница 214: ...the evaporator In heating Low suction air temperature of indoor unit Short circuit Is the suction air temperature not less than 14 C Is the indoor temperature not less than 14 C Low ambient temperatur...

Страница 215: ...n the power supply off 2 With the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Me...

Страница 216: ...7 2 Wiring Diagrams 210 2 1 Outdoor Unit 210 2 2 Field Wiring 212 2 3 Indoor Unit 213 3 Option List 226 3 1 Option List of Controllers 226 3 2 Option List of Outdoor Unit 228 4 Example of Connection 2...

Страница 217: ...Piping Diagrams Si34 603 206 Appendix 1 Piping Diagrams 1 1 Outdoor Unit RX Y MQ4 5 6PVE 3D052628...

Страница 218: ...unction 1 Electronic expansion valve Y1E Used for gas superheated degree control while in cooling operation or subcooled degree control while in heating operation 2 Suction air temperature thermistor...

Страница 219: ...Piping Diagrams Si34 603 208 Appendix FXDQ Refrigerant pipe connection port diameters 4D043864H mm Model Gas Liquid FXDQ20N A P 25N A P 32N A P 40N A 50N A VE T 12 7 6 4 FXDQ63N A VE T 15 9 9 5...

Страница 220: ...Si34 603 Piping Diagrams Appendix 209 FXUQ BEVQ Indoor Unit Connection Unit 4D037995F 4D034127B...

Страница 221: ...Wiring Diagrams Si34 603 210 Appendix 2 Wiring Diagrams 2 1 Outdoor Unit 2 1 1 Heat Pump RXYMQ4 5 6PVE 3D051730D...

Страница 222: ...Si34 603 Wiring Diagrams Appendix 211 2 1 2 Cooling Only RXMQ4 5 6PVE 3D051731C...

Страница 223: ...Wiring Diagrams Si34 603 212 Appendix 2 2 Field Wiring RX Y MQ4 5 6PVE 3D052597...

Страница 224: ...Si34 603 Wiring Diagrams Appendix 213 2 3 Indoor Unit FXCQ20M 25M 32M 63MVE 3D039556A...

Страница 225: ...Wiring Diagrams Si34 603 214 Appendix FXCQ40M 50M 80M 125MVE 3D039557A...

Страница 226: ...Si34 603 Wiring Diagrams Appendix 215 FXFQ25M 32M 40M 50M 63M 80M 100M 125MVE 3D039600A...

Страница 227: ...Wiring Diagrams Si34 603 216 Appendix FXKQ25MA 32MA 40MA 63MAVE 3D039564C...

Страница 228: ...Si34 603 Wiring Diagrams Appendix 217 FXDQ20P 25P 32P FXDQ20NA 25NA 32NA 40NA 50NA 63NAVE with Drain Pump 3D045500C...

Страница 229: ...Wiring Diagrams Si34 603 218 Appendix FXDQ20P 25P 32P FXDQ20N 25N 32N 40N 50N 63NAVET without Drain Pump 3D049604A...

Страница 230: ...Si34 603 Wiring Diagrams Appendix 219 FXSQ20M 25M 32M 40M 50M 63M 80M 100M 125MVE 3D039561A...

Страница 231: ...Wiring Diagrams Si34 603 220 Appendix FXMQ40MA 50MA 63MA 80MA 100MA 125MAVE 3D039620B...

Страница 232: ...Si34 603 Wiring Diagrams Appendix 221 FXHQ32MA 63MA 100MAVE 3D039801D...

Страница 233: ...Wiring Diagrams Si34 603 222 Appendix FXAQ20MA 25MA 32MAVE 40MA 50MA 63MAVE 3D034206C...

Страница 234: ...Si34 603 Wiring Diagrams Appendix 223 FXLQ20MA 25MA 32MA 40MA 50MA 63MAVE FXNQ20MA 25MA 32MA 40MA 50MA 63MAVE 3D039826D...

Страница 235: ...Wiring Diagrams Si34 603 224 Appendix FXUQ71MA 100MA 125MAV1 3D044973A...

Страница 236: ...Si34 603 Wiring Diagrams Appendix 225 BEVQ71MA 100MA 125MAVE 3D044901B...

Страница 237: ...T301B A 61 12 External control adaptor for outdoor unit Must be installed on indoor units DTA104A61 DTA104A6 2 DTA104A61 DTA104A53 DTA104A61 DTA104A62 DTA104A61 DTA104A61 13 Interface adaptor for SkyA...

Страница 238: ...Interface for use in BACnet DMS502A51 Interface unit to allow communications between VRV and BMS Operation and monitoring of air conditioning systems through BACnet communications 3 1 Optional DIII bo...

Страница 239: ...XMQ4PVE RXYMQ5PVE RXMQ5PVE RXYMQ6PVE RXMQ6PVE Cool Heat Selector KRC19 26A Fixing box KJB111A Distributive Piping Refnet header KHRP26M22H KHRP26M33H MAX 4 branch MAX 8 branch Refnet joint KHRP26M22T...

Страница 240: ...efrigerant branch kit either refnet joint or refnet header to indoor unit 40m Example unit 8 i 40m Example unit 6 b h 40m unit 8 i k 40m Refrigerant branch kit selection Use refnet joint from the foll...

Страница 241: ...Example of Connection Si34 603 230 Appendix...

Страница 242: ...4 52 6 65 6 53 3 56 49 55 08 53 6 41 6 53 4 53 71 52 38 54 6 65 6 53 5 51 09 49 83 55 6 41 6 53 6 48 61 47 42 56 6 18 6 06 7 46 26 45 14 57 5 95 5 84 8 44 05 42 98 58 5 74 5 43 9 41 95 40 94 59 5 14 5...

Страница 243: ...14 71 33 92 33 35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61 29 1...

Страница 244: ...Low Pressure PL PH Detected Pressure High Side MPa PL Detected Pressure Low Side MPa 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 MPa VL...

Страница 245: ...PC board Check the power semiconductors mounted on the inverter PC board by the use of a multiple tester Items to be prepared 1 Multiple tester Prepare the digital type of multiple tester with diode...

Страница 246: ...h value variation The following abnormalities are also doubted besides the PC board abnormality 1 Faulty compressor ground fault ground leakage 1 Faulty fan motor ground leakage Tester terminal Criter...

Страница 247: ...Method of Replacing the Inverter s Power Transistors Modules Si34 603 236 Appendix...

Страница 248: ...utions for New Precautions for New Precautions for New Precautions for New Refrigerant R 410A Refrigerant R 410A Refrigerant R 410A Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 238 1 1...

Страница 249: ...pic 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 installation manual for each product Re...

Страница 250: ...ew Refrigerant R 410A 239 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 251: ...ned 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 ro...

Страница 252: ...on differs for R 410A and R 407C Charging cylinder 2Weighting instrument used for HFCs Gas detector 2The same tool can be used for HFCs Vacuum pump pump with reverse flow preventive function 2To use e...

Страница 253: ...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 p...

Страница 254: ...z Maximum 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 100 7 kPa 5 torr 755...

Страница 255: ...rogen 5 Refrigerant oil Air compal Specifications 2 Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle 2 Offers high rust resistance and stability over long per...

Страница 256: ...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 coated material for HFC resistance 8 Char...

Страница 257: ...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 258: ...nk 201 Display Under Host Computer Integrate Control Blinks Repeats Single Blink 198 Drain Level above Limit 139 Drain Pump Control 65 E E1 146 E3 147 E4 149 E5 151 E7 152 E9 153 Electrical and Functi...

Страница 259: ...etween Indoor and Outdoor Units in the Same System 182 Malfunction of Transmission between Indoor Units and Outdoor Units 178 Malfunction of Transmission between Inverter and Control PC Board 170 Malf...

Страница 260: ...ain Inverter Circuit 171 I Improper Combination of Optional Controllers for Centralized Control 193 Inverter Compressor Abnormal 167 Inverter Current Abnormal 168 Inverter Protection Control 63 Invert...

Страница 261: ...yout 78 P PC Board Defect 131 146 191 Piping Diagrams 206 Power Supply Insufficient or Instantaneous Failure 175 Pressure Sensor 233 R Refrigerant Circuit 44 Refrigerant Overcharged 156 Remote Control...

Страница 262: ...Service Manual R 410A RX Y MQ4 5 6PVE Si34 603 Printed in Japan 07 2006 AK July...

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