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[

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Troubleshooting ]

- 103 -

HWE07150

GB

1. Error

Code

Discharge temperature fault

2. Error

definition and error detection method

1) If the discharge temperature of 120 °C [248°F] or more is detected during the above operation (the first detection), the outdoor

unit stops once, turns to anti-restart mode for 3 minutes, and restarts after 3 minutes automatically.

2) If the discharge temperature of 120° C [248°F] or more is detected again (the second detection) within 30 minutes after the

second stop of the outdoor unit described above, the mode will be changed to 3 - minute restart mode, then the outdoor unit
will restart in 3 minutes.

3) If the discharge temperature of 120°C [248°F] or more is detected (the third detection) within 30 minutes after the stop of the

outdoor unit described above (regardless of the first or the second stop), the outdoor unit will make an error stop, and the error
code "1102" will be displayed.

4) If the discharge temperature of 120°C [248°F] or more is detected more than 30 minutes after the previous stop of the outdoor

unit, the detection is regarded as the first detection, and the operation described in step 1 above will start.

5) For 30 minutes after the stop (the first stop or the second stop) of the outdoor unit, preliminary errors will be displayed on the

LED display.

3. Cause, check method and remedy

1102

Cause

Check method and remedy

(1)

Gas leak, gas shortage

Refer to the page on refrigerant amount evaluation.(page 89)

(2)

Overload operation

Check operating conditions and operation status of indoor/

outdoor units.

(3)

LEV failure on the indoor unit

Perform a cooling or heating operation to check the opera-

tion.

Cooling: Indoor unit LEV

LEV1

LEV2a,b

Heating: Indoor unit LEV

LEV2a,b

Refer to the section on troubleshooting the LEV.(page 166)

(4)

Outdoor unit LEV1 actuation failure

Outdoor unit LEV2a, b actuation failure

(5)

Closed refrigerant service valve

Confirm that the refrigerant service valve is fully open.

(6)

Outdoor fan (including fan parts) failure, mo-

tor failure, or fan controller malfunction

Rise in discharge temp. by low pressure

drawing for (3) - (6).

Check the fan on the outdoor unit.

Refer to the section on troubleshooting the outdoor unit

fan.(page 165)

(7)

Gas leak between low and high pressures

(4-way valve failure, Compressor failure, So-

lenoid valve (SV1a) failure)

Perform a cooling or heating operation and check the opera-

tion.

(8)

Thermistor failure

(TH4)

Check the thermistor resistor.(page 123)

(9)

Input circuit failure on the controller board

thermistor

Check the inlet air temperature on the LED monitor.

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Содержание City Multi PFAV-P500VMH-E

Страница 1: ......

Страница 2: ...y use specified cables Securely connect each ca ble so that the terminals do not carry the weight of the cable Improperly connected or fixed cables may produce heat and start a fire Take appropriate safety measures against strong winds and earthquakes to prevent the unit from falling If the unit is not installed properly the unit may fall and cause serious injury to the person or damage to the uni...

Страница 3: ... before in stalling the unit Leaked refrigerant gas exceeding the lim iting concentration causes oxygen deficiency Consult your dealer or a specialist when moving or re installing the unit Improper installation may result in water leakage electric shock and or fire After completing the service work check for a gas leak If leaked refrigerant is exposed to a heat source such as a fan heater stove or...

Страница 4: ...gaseous refrigerant is charged into the system the com position of the refrigerant in the cylinder will change and may result in performance loss Use a vacuum pump with a reverse flow check valve If a vacuum pump that is not equipped with a reverse flow check valve is used the vacuum pump oil may flow into the refrigerant cycle and cause the refrigerating machine oil to deteriorate Prepare tools f...

Страница 5: ...quently Doing so may lead to a re markable drop in performance electric shock malfunc tions smoke and or fire The presence of organic solvents or corrosive gas i e ammonia sulfur compounds and acid may cause gas leakage or water leakage When installing the unit in a hospital take appropriate measures to reduce noise interference High frequency medical equipment may interfere with the normal operat...

Страница 6: ...ires or copper wires may result in malfunctions smoke and or fire Do not spray water on the air conditioner or immerse the air conditioner in water Otherwise electric shock and or fire may result When handling units always wear protective gloves to protect your hands from metal parts and high tempera ture parts Periodically check the installation base for damage If the unit is left on a damaged pl...

Страница 7: ...of the unit such as pipes and compressor may be either very cold or hot depending on the state of the refrigerant in the unit at the time To reduce the risk of frost bites and burns do not touch these parts with bare hands Do not operate the unit without panels and safety guards Rotating high temperature or high voltage parts on the unit pose a risk of burns and or electric shock Do not turn off t...

Страница 8: ...Remote Controller 47 2 Interlock Settings via the MA Remote Controller 48 3 Using the built in Temperature Sensor on the Remote Controller 49 VI Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Outdoor Unit 53 2 Electrical Wiring Diagram of Transmission Booster 54 3 Electrical Wiring Diagram of the Indoor Unit 55 VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 59 2 Principal Part...

Страница 9: ...CONTENTS HWE07150 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 189 ...

Страница 10: ...Materials 5 4 Storage of Piping 7 5 Pipe Processing 7 6 Brazing 8 7 Air Tightness Test 9 8 Vacuum Drying Evacuation 10 9 Refrigerant Charging 11 10 Remedies to be taken in case of a Refrigerant Leak 11 11 Characteristics of the Conventional and the New Refrigerants 12 12 Notes on Refrigerating Machine Oil 13 ...

Страница 11: ... 2 ...

Страница 12: ...ols page 4 5 Verification of the connecting pipes Verify the type of refrigerant used for the unit to be moved or replaced Use refrigerant pipes made of phosphorus deoxidized copper Keep the inner and outer surfaces of the pipes clean and free of such contaminants as sulfur oxides dust dirt shaving particles oil and water These types of contaminants inside the refrigerant pipes may cause the refri...

Страница 13: ...ing The refrigerant type is indicated The cylinder is pink Charging Port on the Refrigerant Cylinder Refrigerant charging The charge port diameter is larger than that of the current port Flare Nut Connection of the unit with the pipes Use Type 2 Flare nuts Tools Materials Use Notes Gas Leak Detector Gas leak detection The ones for use with HFC refrigerant may be used Vacuum Pump Vacuum drying May ...

Страница 14: ...stem that uses the refrigerant currently on the market are made with O material Annealed even if the pipe diameter is less than ø19 05 3 4 For a system that uses R410A use pipes that are made with 1 2H material Drawn unless the pipe diameter is at least ø19 05 3 4 and the radial thickness is at least 1 2t The figures in the radial thickness column are based on the Japanese standards and provided o...

Страница 15: ...For margin adjustment a copper pipe gauge is necessary 6 Flare nut The flare nut type has been changed to increase the strength The size of some of the flare nuts have also been changed The figures in the radial thickness column are based on the Japanese standards and provided only as a reference Use pipes that meet the local standards Flare processing dimensions mm in Pipe size mm in A dimension ...

Страница 16: ...brazing Keep elbow pipes and T joints in plastic bags The new refrigerator oil is 10 times as hygroscopic as the conventional refrigerating machine oil such as Suniso and if not handled with care could easily introduce moisture into the system Keep moisture out of the pipes for it will cause the oil to deteriorate and cause a compressor failure 5 Pipe Processing Use a small amount of ester oil eth...

Страница 17: ...pper pipes or between a copper pipe and copper coupling If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends 2 Reasons The new refrigerating machine oil is 10 times as hygroscopic as the conventional oil and is more likely to cause unit failure if water infiltrates into the system Flux generally contains chloride Residual flux in the refrigera...

Страница 18: ...ector to find the location of a leak use R410A Refrigerant R410A must be charged in its liquid state vs gaseous state 2 Reasons Oxygen if used for an air tightness test poses a risk of explosion Only use nitrogen to check air tightness Refrigerant R410A must be charged in its liquid state If gaseous refrigerant in the cylinder is drawn out first the composition of the remaining refrigerant in the ...

Страница 19: ...rough vacuum drying re moves moisture in the pipes Verify that the vacuum degree has not risen by more than 1Torr 130Pa 1hour after evacuation A rise by less than 1Torr 130Pa is acceptable If the vacuum is lost by more than 1Torr 130Pa conduct evacuation following the instructions in section 6 Special vacuum drying 5 Procedures for stopping vacuum pump To prevent the reverse flow of vacuum pump oi...

Страница 20: ...nge and be come unsuitable for use 2 Notes When using a cylinder with a siphon refrigerant is charged in the liquid state without the need for turning it upside down Check the type of the cylinder on the label before use 10 Remedies to be taken in case of a Refrigerant Leak If the refrigerant leaks out it may be replenished The entire refrigerant does not need to be replaced Charge refrigerant in ...

Страница 21: ...laced 3 Pressure characteristics The pressure in the system using R410A is 1 6 times as great as that in the system using R22 New Refrigerant HFC type Conventional Refriger ant HCFC type R410A R407C R22 R32 R125 R32 R125 R134a R22 Composition wt 50 50 23 25 52 100 Type of Refrigerant Pseudo azeotropic Refrigerant Non azeotropic Refrigerant Single Refrigerant Chloride Not included Not included Incl...

Страница 22: ...nants is defined as moisture air processing oil dust dirt wrong types of refrigerant and refrigerating machine oil Cause Symptoms Effects on the refrigerant cycle Water infiltration Frozen expansion valve and capillary tubes Clogged expansion valve and capillary tubes Poor cooling performance Compressor overheat Motor insulation failure Burnt motor Coppering of the orbiting scroll Lock Burn in on ...

Страница 23: ... 14 ...

Страница 24: ...ions 1 System configuration 17 2 Types and Maximum allowable Length of Cables 17 3 Switch Settings and Address Settings 18 4 An Example of a System to which an MA Remote Controller is connected 24 5 Restrictions on Pipe Length 27 ...

Страница 25: ... 16 ...

Страница 26: ...trol cable for each refrigerant system Do not use a single multiple core cable to connect indoor units that belong to different refrigerant systems The use of a multiple core cable may result in signal transmission errors and malfunctions 2 Control wiring Different types of control wiring are used for different systems Refer to section 4 An Example of a System to which an MA Remote Controller is c...

Страница 27: ...y Cable type Facility type All facility types Type Shielded cable CVVS CPEVS MVVS Number of cores 2 core cable Cable size Larger than 1 25mm2 AWG16 Maximum transmission line distance between the outdoor unit and the far thest indoor unit 200 m 656ft max Maximum transmission line distance for central ized control and Indoor outdoor transmission line Maximum line distance via outdoor unit 500 m 1640...

Страница 28: ... units after assigning an ad dress to all indoor units 00 MA remote controller MA No address settings required The main sub setting must be made if 2 remote controllers are connected to the system Main Outdoor unit OC OS 51 to 100 2 Assign an address that equals the lowest ad dress of the indoor units in the same refriger ant circuit plus 50 Assign sequential addresses to the outdoor units in the ...

Страница 29: ...troller main sub setting When using the MA remote controller set to Main at the time of shipment An MA remote controller can be switched between main and sub When operation is to be performed with two remote control lers set one of them as the sub remote controller Refer to the operation manual for the setting method System configu ration Connection to the system con troller Power supply unit for ...

Страница 30: ...s valid when Dip SW4 4 on the outdoor unit is set to OFF When DIP SW4 4 is set to ON 4 levels of on DEMAND are possible using different configurations of low noise mode input and DEMAND input settings When 2 outdoor units exist in one refrigerant circuit system 8 levels of on DEMAND are possible 4 By setting Dip SW5 5 the Low noise mode can be switched between the Capacity priority mode and the Lo...

Страница 31: ...ntrol board 2 3 1 Contact rating voltage DC15V Contact rating current 0 1A Minimum applicable load 1mA at DC Relay circuit CN3D 2 Optional part PAC SC36NA E or field supply X Low noise mode X Low noise mode Y Compressor ON OFF X Y Relay Contact rating voltage DC15V Contact rating current 0 1A Minimum appicable load 1mA at DC Y X CN3D Preparations in the field Maximum cable length is 10m Adapter 2 ...

Страница 32: ...No 1 2 can be selected arbitrary with the outdoor unit whose SW4 4 is set to ON CN3D 1 3P Compressor ON OFF Open Compressor ON Short circuit Compressor OFF CN3D 1 2P Low noise mode 2 Open OFF Short circuit ON CN3D 1 2P CN3D 1 3P Open Short circuit Open 100 No DEMAND 75 Short circuit 0 Compressor OFF 50 8 levels of on DEMAND No 2 CN3D 1 2P Open Short circuit No 1 CN3D 1 2P 1 3P Open Short circuit O...

Страница 33: ...ble of the outdoor unit OC OS and terminals A and B of the terminal block TB5 for the indoor outdoor transmission cable of the in door unit IC Non polarized two wire Only use shielded cables Shielded cable connection Use the earth of the shielded cable to connect the earth terminal of OC and the S terminal of the IC terminal block TB5 in a daisy chain 2 Transmission cable for centralized control N...

Страница 34: ...t OC OS and terminals A and B of the terminal block TB5 for the indoor outdoor transmission cable of each indoor unit IC Non polarized two wire Only use shielded cables Shielded cable connection Same as 4 1 2 Transmission cable for centralized control Same as 4 1 3 MA remote controller wiring In the case of different refrigerant group operation be sure to set the MA remote controller of one of the...

Страница 35: ...B7 for the central controller of each OC OS and terminals A and B of the system controller in a daisy chain Non polarized two wire For just one OC replace the CN41 power connector on the control board with the CN40 power connector Set the centralized control switch SW2 1 on the control boards of all OCs and OSs to ON Only use shielded cables Shielded cable connection Use the earth of the shielded ...

Страница 36: ...n indoor and outdoor units H 50 164 or less 40 131 or below if outdoor unit is below in door unit Between outdoor units h 0 1 0 3 or less Set Name Outdoor unit configuration Branch Kit Name P500 P250 2 CMY Y100VBK2 Indoor Model Connected Outdoor Model Liquid Pipe Size mm inch Gas Pipe Size mm inch P500 P250 P250 ø15 88 5 8 ø28 58 1 1 8 Connected Outdoor Model Liquid Pipe Size mm inch Gas Pipe Size...

Страница 37: ... 28 ...

Страница 38: ... 29 HWE07150 GB III Outdoor Unit Components 1 Outdoor Unit Components and Refrigerant Circuit 31 2 Control Box of the Outdoor Unit 33 3 Outdoor Unit Circuit Board 34 ...

Страница 39: ... 30 ...

Страница 40: ...it Components 31 HWE07150 GB III Outdoor Unit Components 1 Outdoor Unit Components and Refrigerant Circuit 1 Front view of an outdoor unit PUHY P250YHM A Fan Control Box Fan guard Fin guard Front panel Heat exchanger ...

Страница 41: ...re switch 63H1 Compressor cover Accumulator Compressor Oil separator Check valve High pressure check joint Low pressure sensor 63LS 4 way valve 21S4a 4 way valve 21S4b Low pressure check joint Linear Expansion Valve LEV1 Subcool coil Linear Expansion Valve LEV2a 2b Solenoid valve SV1a Solenoid valve SV9 Gas side valve Solenoid valve SV5b ...

Страница 42: ...h voltage parts When opening or closing the front panel of the control box do not let it come into contact with any of the internal components Before inspecting the inside of the control box turn off the power keep the unit off for at least 10 minutes and confirm that the voltage between FT P and FT N on INV Board has dropped to DC20V or less It takes about 10 minutes to discharge electricity afte...

Страница 43: ... Output 12VDC Output 5VDC GND CNIT Output 12VDC GND Output 5VDC Power supply detection input Power supply ON OFF signal output CNS2 Transmission line input output for centralized control system 30VDC CN41 Power supply for centralized control OFF CN40 Power supply for centralized control ON CN102 ޓޓޓ ޓޓޓ Indoor outdoor transmission line input output 30VDC Power supply input for centralized control ...

Страница 44: ...ed control system CNIT Input 12VDC GND Input 5VDC Power supply detection output Power supply ON OFF signal input LED1 Power supply for indoor transmission line TP1 2 Check pins for indoor outdoor transmission line TB7 Terminal block for transmission line for centralized control TB3 Indoor outdoor transmission block Ground terminal for transmission line Grounding Grounding CN04 Bus voltage input P ...

Страница 45: ...ck terminal P Note Bus voltage check terminal N Note 1 SC P2 Bus voltage Input P SC P1 Rectifier diode output P LED1 Lit Inverter in normal operation Blink Inverter error CN6 Open No load operation setting Short circuited Normal setting CN5V GND Output 5VDC RSH1 Overcurrent detection resistor CN4 GND INV Board Serial communication signal output CN2 Serial communication ޓ signal output GND Input 17...

Страница 46: ...on signal output CN5 GND Control board Serial communication signal output CN21 Serial communication signal output GND INV board Input 17VDC CN22 GND INV board Input 5VDC Serial communication signal input GND INV board Output 17VDC THBOX Thermistor Control box internal temperature detection LED1 Inverter in normal operation LED2 Inverter error DIP IPM Rear R630 R631 Overcurrent detection resistor ...

Страница 47: ...ԚN CN5 Output Rectified L2 N current ԘP ԚN TB21 Input output L1 TB22 Input output L2 TB23 Input output L3 TB24 Input N CN1B Input L3 L2 CN1A Input N L1 Grounding F1 F2 F3 F4 Fuse 250VAC 6 3A CN3 Output L1 N Grounding CN2 ԘSurge absorber circuit ԚSurge absorber circuit ԜShort circuit ԝShort circuit ...

Страница 48: ... 39 HWE07150 GB IV Indoor Unit Structure 1 External View 41 2 Control Box 42 3 Board 43 4 Fan 44 ...

Страница 49: ... 40 ...

Страница 50: ... IV Indoor Unit Structure 41 HWE07150 GB IV Indoor Unit Structure 1 External View PFAV P500VMH E ...

Страница 51: ...ay 4 Terminal block TB5 for transmission and terminal block TB15 for MA remote controller Power terminal block Auxiliary relay 52F Control board I B Power transformer T Thermal over current relay 51F 10A S2 S1 R1 PE PFAV P500VMH CN2M CN90 CN3A CND CN28 L1 L2 L3 N 1 2 A B SKP79F649H02 ...

Страница 52: ... 11 12 SWC Dipswitches and slide switches CN60 and CN7V LEV outputs CN3A MA remote controller transmission cable CN31 drain sensor input Thermistor input CN20 CN21 CN29 CN22 F901 fuse CND power input CNT power output to transformer CN3T power input to transformer CN2M indoor system transmission cable CN28 fan error input ...

Страница 53: ...to be slid towards the back side 4 Slide the electric motor base towards the front 5 Loosen the stopper securing screw of electric motor base as shown in Figure 4 6 Remove the electric motor 4 bolts 7 Using standard bolts and nuts replace the electric motor 8 Attach the other parts in the reverse order of removal 2 Cautions State of V belt tension 1 While the tension per V belt is at an appropriat...

Страница 54: ...E07150 GB V Remote Controller 1 Functions and Specifications of MA Remote Controller 47 2 Interlock Settings via the MA Remote Controller 48 3 Using the built in Temperature Sensor on the Remote Controller 49 ...

Страница 55: ... 46 ...

Страница 56: ...s set tings Required Wiring method Non polarized 2 core cable To perform a group operation daisy chain the indoor units using non polar ized 2 core cables Remote controller connection Connectable to any indoor unit in the group Interlock with the ventilation unit Each indoor unit can individually be in terlocked with a ventilation unit Set up via remote controller in the group Changes to be made u...

Страница 57: ... The registered indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Registration error If the registration fails the indoor unit address and the LOSSNAY address will be displayed alternately Registration cannot be completed The selected unit address does not have a corresponding indoor unit or a LOSSNAY unit Registration cannot be completed Another LOSSNAY...

Страница 58: ... search for the address of the LOSSNAY unit that is interlocked with the selected indoor unit Search completed With a LOSSNAY connection The indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Take the following steps to delete the interlock setting between a LOSSNAY unit and the interlocked indoor unit from the remote controller that is connected to the i...

Страница 59: ... 50 ...

Страница 60: ... 51 HWE07150 GB VI Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Outdoor Unit 53 2 Electrical Wiring Diagram of Transmission Booster 54 3 Electrical Wiring Diagram of the Indoor Unit 55 ...

Страница 61: ... 52 ...

Страница 62: ...1 R4 R6 C17 Diode Bridge C7 C8 C9 C10 C4 C1 C6 Power Source 3N 50 60Hz 380 400 415V N L3 L2 L1 TB1 N L3 L2 L1 L F4 AC250V 6 3A T black white red 3 1 CN3 green TB24 N TB23 L3 TB22 L2 TB21 L1 CN1B 4 1 3 1 CN1A U U U F1 F2 F3 AC250V 6 3A T U Z4 DSA CN2 6 5 3 1 Noise Filter U ZNR01 U 3 1 CN5 red 3 CN4 blue 1 4 7 1 CNINV CNVDC 4 1 FAN Board F01 DC700V 4A T C630 C631 R631 R630 IPM CN18V blue CN4 red CN5...

Страница 63: ...te White White Blue Red Red DSA White White Blue Red Red Red Red Varistor Noise filter Stabilized power supply 4 3 2 1 1 2 3 CN2 CN1 Black Black Black Black Green Yellow 1 2 3 E 4 Choke coil 1 2 CN3 1 2 1 2 CN4 CN2 1 2 CN1 Electronic control board Black White Red Red Black S B A S B A Terminal block 2 for transmission line TB3 Expanded indoor unit side Terminal block 1 for transmission line TB2 Ex...

Страница 64: ...LEV 52F 51F F1 TB15 Symbol explanation Symbol Name Fan motor Power source terminal bed Transmission terminal bed MA Remote controller terminal bed Fuse 6 3A Varistor Transformer Electronic linear expan valve Contactor Fan motor Over current relay Fan motor Fuse 10A Connector Fan failure CN28 Switch For trial run of fan Switch For mode selection Switch For trial run Switch For four stages demand se...

Страница 65: ... 56 ...

Страница 66: ... 57 HWE07150 GB VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 59 2 Principal Parts and Functions 60 ...

Страница 67: ... 58 ...

Страница 68: ... TH4 TH2 TH3 TH7 TH6 21S4b TH5 CP1 CJ1 63LS SV5b CV1 LEV2a LEV2b ST1 ST2 BV1 SV9 CP2 BV2 O S COMP Heat exchanger Thermistor TH1 Room temperature detection intake temperature Distributor Thermistor TH3 Exchanger gas pipe temperature detection Thermistor TH2 Exchanger liquid pipe temperature detection Gas pipe Connection by brazing liquid pipe Connection by brazing Flow of refrigerant Cooling Heatin...

Страница 69: ... frequency and pro vides high pressure protec tion Low pres sure sensor 63LS 1 Detects low pressure 2 Provides low pressure pro tection Pres sure switch 63H1 1 Detects high pressure 2 Provides high pressure pro tection 4 15MPa 601psi OFF setting Pressure 0 4 15 MPa 601psi Vout 0 5 3 5V 0 071V 0 098 MPa 14psi Pressure MPa 1 38 x Vout V 0 69 Pressure psi 1 38 x Vout V 0 69 x 145 GND Black Vout White...

Страница 70: ...n TH5 LEV2a and LEV2b are controlled based on the 63LS and TH5 val ues TH6 Controls LEV1 based on TH2 TH3 and TH6 data THHS Inverter heat sink tem perature Controls inverter cooling fan based on THHS temperature Degrees Celsius 0 C 32 F 161kohm 10 C 50 F 97kohm 20 C 68 F 60kohm 25 C 77 F 48kohm 30 C 86 F 39kohm 40 C 104 F 25kohm THBOX Control box in ternal tempera ture detection Sole noid valve SV...

Страница 71: ...ing heating DC12V Opening of a valve driven by a stepping motor 1400 pulses Same as in door LEV Heater CH11 Heats the refrigerant in the com pressor Cord heater AC230V 1511 ohm 35W Resistance check 4 way valve 21S4a Changeover between heating and cooling AC208 230V Dead cooling cycle Live heating cycle Continuity check with a tester 21S4b 1 Changeover between heating and cooling 2 Controls outdoor...

Страница 72: ...Continuity between yellow brown and blue Ther mistor TH1 Suction air temperature Indoor unit control Thermo 0 C 32 F 15kohm 10 C 50 F 9 7kohm 20 C 68 F 6 4kohm 25 C 77 F 5 3kohm 30 C 86 F 4 3kohm 40 C 104 F 3 1kohm Resistance check TH2 Pipe temper ature 1 Indoor unit control Frost prevention Hot adjust 2 LEV control during heat ing operation subcool detection TH3 Gas pipe temperature LEV control d...

Страница 73: ... 64 ...

Страница 74: ... 65 HWE07150 GB VIII Control 1 Functions and Factory Settings of the Dipswitches 67 2 Controlling the Outdoor Unit 71 3 Operation Flow Chart 81 ...

Страница 75: ... 66 ...

Страница 76: ...h Before power on C C SW1 1 10 For self diagnosis operation monitoring Refer to the LED monitor display on the outdoor unit board Anytime after power on C C SW2 1 Centralized control switch Without connection to the centralized controller With connection to the centralized con troller Before power on B B 2 Deletion of connec tion information Normal control Deletion Before power on A 3 Deletion of ...

Страница 77: ... test run signal to all IC After power on and when SW3 1 is on A 3 Defrost start temper ature Note 3 10 C 14 F 5 C 23 F Anytime after power on B B 4 Defrost end temper ature Note 3 10 C 50 F 15 C 59 F Anytime after power on except during defrost op eration B B 5 6 7 8 9 Model setting Outdoor standard static pressure Outdoor high static pressure Before being energized C C 10 Model setting High stat...

Страница 78: ...N6 short circuit connector is mated with the mating connector Leave the short circuit connector on the mating connector during normal operation to enable error detection and protect the equipment from damage Switch Function Function according to switch setting Switch setting timing Units that re quire switch setting Note 2 OFF ON OFF ON OC OS SW5 1 Model selection See the table below Note 4 Before...

Страница 79: ... About the Capacity Code and Model Setting If the capacity code or model is incorrectly set because for example the board was replaced reset the power of both the indoor unit and outdoor unit 2 Jumper switch 3 Slide switches SW2 SW4 ON OFF 1 2 3 4 5 1 2 3 4 5 6 100 P500 ON ON OFF Capacity System Model SW3 2 SW3 10 SW3 9 ...

Страница 80: ...also be performed during the initial startup The self diagnosis switch SW1 can be used to check whether each outdoor unit is functioning as an OC or OS 3 Initial Control When the power is turned on the initial processing of the microcomputer is given top priority During the initial processing control processing of the operation signal is suspended The control processing is resumed after the initia...

Страница 81: ...ON for 3 minutes Exception OFF when 63HS1 63LS is 0 2 MPa 29 psi or less During defrost operation ON While the compressor is operating at the minimum frequency and when the low pres sure 63LS drops 3 or more minutes after compressor startup When low pressure 63LS drops below 0 23 MPa 33 psi When low pressure 63LS ex ceeds 0 38 MPa 55 psi When high pressure 63HS1 rises When 63HS1 exceeds 3 62 MPa 5...

Страница 82: ...hen the high pressure reading on 63HS1 is 3 58MPa 519psi 2 Discharge temperature limit Discharge temperature TH4 of the compressor in operation is monitored and when it exceeds the upper limit the frequency is decreased every minute Operating temperature is 115 C 239 F 3 Periodic frequency control Frequency control other than the ones performed at start up upon status change and for protection is ...

Страница 83: ...mpletion of defrost operation forced defrost operation will start by turning on the forced defrost switch DIP SW2 7 Even if the defrost prohibit timer is set to 90 minutes the actual defrost prohibit time for the next operation will be 50 minutes if defrosting took 12 minutes In the multiple outdoor unit system all of the outdoor units that are in operation go into the defrost mode simultaneously ...

Страница 84: ... 8 Refrigerant Recovery Control Recovery of refrigerant is performed during heating operation to prevent the refrigerant from accumulating inside the unit while it is stopped unit in fan mode or inside the indoor unit that is in cooling mode or in heating mode with thermo off It is also performed during cooling operation to prevent an excessive amount of refrigerant from accumulating in the outdoo...

Страница 85: ...ds to maintain constant the subcool at the outdoor unit heat exchanger outlet that is calculated from the values of high pressure 63HS1 and liquid piping temperature TH3 or the superheat that is calculated from the values of low pressure 63LS and the bypass outlet temperature TH2 of the subcool coil LEV opening is controlled based on the values of the inlet TH6 and the outlet TH3 temperatures of t...

Страница 86: ...arts up Both the OC and OS stop The startup sequence of the OC and OS is rotated 50 F 60Hz OS or F 50Hz OS Completed in the integrated operation time of 30 minutes Completed in the integrated operation time of 90 minutes The compressor on the OS starts up 2 2 The air conditioning load is too small for both the OC and the OS to simultaneously stay in operation Initial startup mode complete The comp...

Страница 87: ...umber of outdoor units that have failed Emergency operation pattern 2 outdoor units Note 1 If an attempt is made to put into operation a group of indoor units whose total capacity exceeds the maximum allowable capacity some of the indoor units will go into the same condition as Thermo OFF Trouble source Error codes that permit an emergency operation Error code description Serial communication erro...

Страница 88: ... controller to start an emergency operation Precautions before servicing the unit When the OC is in trouble the OS temporarily takes over the OC s function and performs an emergency operation When this happens the indoor unit connection information are changed In a system that has a billing function a message indicating that the billing system information has an error may appear on the TG 2000A Ev...

Страница 89: ... opposite is true when the outdoor unit is performing a heating operation The first selection has the priority 15 DEMAND Control Cooling heating operation can be prohibited Thermo OFF by an external input to the indoor units When DIP SW4 4 is set to ON the 4 step DEMAND control is enabled While this control is enabled the NIGHTMODE will be disabled Eight step demand control is possible in the syst...

Страница 90: ...roller display lit off Error mode Error stop Error display Self holding of protection function Error command to outdoor unit Indoor unit LEV fully closed Refer to 2 1 Cooling operation Refer to 2 2 Heating operation Prohibition Prohibition Heating display Cooling display Heating mode Fan mode Fan display Fan operations Operation mode Cooling mode Operation command to outdoor unit to 2 Prohibition ...

Страница 91: ...ation of even a single indoor unit will keep the outdoor unit running The error will be indicated on the LED display Note 3 The outdoor unit operates according to the operation mode commanded by the indoor unit Start Breaker turned on Operation command Error stop Error display on the outdoor unit LED Error command to indoor unit Operation mode Operation mode Error mode 72C ON Note 1 Note 3 Note 2 ...

Страница 92: ... minute restart prevention Note 1 YES YES YES NO NO NO 4 way valve OFF 1 Inverter frequency control 2 Indoor unit LEV LEV1 control LEV2a LEV2b fully opened 3 Solenoid valve control 4 Outdoor unit fan control 5 72C control Normal operation During test run mode Unit in the stopped state Indoor unit fan operation 1 Inverter output 0Hz 2 Indoor unit LEV1 LEV1 LEV2a LEV2b rated opening 3 All solenoid v...

Страница 93: ...ute restart prevention Note 1 2 Note 1 2 YES YES YES YES YES NO NO NO NO NO 1 Indoor outdoor unit fan control 2 Inverter frequency control 3 Indoor unit LEV LEV1 LEV2a LEV2b control 4 Solenoid valve control 5 72C control Normal operation Defrost operation 4 way valve ON During test run mode 1 Indoor unit fan operation at Very Low speed 2 Inverter output 0Hz 3 Indoor unit LEV LEV1 Fully closed LEV2...

Страница 94: ...ed before a Test Run 87 2 Test Run Method 88 3 Operating Characteristic and Refrigerant Amount 89 4 Adjusting the Refrigerant Amount 89 5 Refrigerant Amount Adjust Mode 92 6 The following symptoms are normal 94 7 Standard Operation Data Reference Data 95 ...

Страница 95: ... 86 ...

Страница 96: ...ning on the main power and powering the crankcase heater for at least 12 hours the refrigerant in the compressor will evaporate and the insulation resistance will go up Do not measure the insulation resistance of the terminal block for transmission cable for the MA remote controller 3 Check that the valve on the gas pipe and liquid pipe are fully open Securely tighten the cap 4 Check the phase seq...

Страница 97: ... mode display TEST RUN and OPERATION MODE are displayed alternately Press the Operation Mode button Make sure that cold or warm air blows out Make sure that the air is blowing out Switch to cooling or heating operation by pressing the Operation Mode button Confirm the operation of outdoor unit fan Confirm the operation of all interlocked equipment such as ventilation equipment Note 1 Refer to the ...

Страница 98: ...Amount 1 Symptoms Overcharging or undercharging of refrigerant can cause the following symptoms Before attempting to adjust the amount of refrigerant in the system thoroughly check the operating conditions of the system Then adjust the refrigerant amount by running the unit in the refrigerant amount adjust mode 2 Amount of refrigerant 1 To be checked during operation Operate all indoor units in ei...

Страница 99: ...tdoor unit model P250 Amount of pre charged refrigerant in the outdoor unit kg 9 0 Amount of pre charged refrigerant in the outdoor unit lbs oz 19 13 Amount of added refrigerant kg 0 29x L1 0 2 x L2 0 12 x L3 0 06 x L4 0 024 x L5 α Amount of added refrigerant oz 3 12x L1 2 15 x L2 1 29 x L3 0 65 x L4 0 26 x L5 α L1 Length of ø19 05 3 4 liquid pipe m L2 Length of ø15 88 5 8 liquid pipe m L3 Length ...

Страница 100: ...e figure are liquid pipes 15 88 30 m 9 52 3 m 1m 4 m According to the above formula The calculation result would be 11 24 and it is rounded up to the nearest 0 1 The final result will be as follows Amount of refrigerant to be charged kg 0 2 X 30 0 06 X 4 5 0 11 24 kg Amount of refrigerant to be charged 11 3 kg All the pipes in the figure are liquid pipes 3 4 98 ft 3 8 9 ft 3 ft 12 ft According to ...

Страница 101: ...adequate for a short while after starting the unit in the refrigerant amount adjust mode but turn out to be inadequate later on when the refrigerant system stabilizes When the amount of refrigerant is truly adequate TH3 TH6 on the indoor unit is 5 C 9 F or above and SH on the indoor unit is between 5 and 15 C 9 and 27 F The refrigerant amount may seem adequate at the moment but may turn out to be ...

Страница 102: ...rom the service port on the low pressure side Keep the unit running for 5 minutes after adjusting the refrigerant amount and check Tc TH3 Gradually add refrigerant from the service port on the low pressure side Gradually draw out refrigerant from the service port on the low pressure side Is the TH4 value of the OC and OS at or below 100 C 212 F Has the operating frequency of the compressor on the ...

Страница 103: ...hile the unit is in the defrost mode pre heating stand by mode or when the thermostat triggers unit off The fan stops during heating operation Defrost The fan remains stopped during defrost operation When the main power is turned on the display shown on the right appears on the in door unit remote controller for 5 minutes HO or PLEASE WAIT icons blink on the display The system is starting up Wait ...

Страница 104: ... 3 5 Outdoor unit Electric current A 27 8 Voltage V 380 Compressor frequency Hz 97 LEV open ing Indoor unit Pulse 543 SC LEV1 94 LEV2 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 98 0 76 432 110 Temp of each sec tion Outdoor unit Discharge TH4 C F 92 198 Heat exchanger out let TH3 38 100 Accumulator inlet 13 55 Accumulator outlet 13 55 SCC outlet TH6 20 68 Compre...

Страница 105: ...door unit Electric current A 27 6 Voltage V 380 Compressor frequency Hz 107 LEV open ing Indoor unit Pulse 684 SC LEV1 0 LEV2 732 Pressure High pressure after O S low pressure before accumulator MPa psi 3 06 0 55 444 80 Temp of each sec tion Outdoor unit Discharge TH4 C F 85 185 Heat exchanger out let TH3 0 32 Accumulator inlet 6 21 Accumulator outlet 6 21 Compressor inlet 6 21 Compressor shell bo...

Страница 106: ...ng to Error Display on the Remote Controller 102 3 Investigation of Transmission Wave Shape Noise 159 4 Troubleshooting Principal Parts 162 5 Refrigerant Leak 181 6 Compressor Replacement Instructions 183 7 Troubleshooting Using the Outdoor Unit LED Error Display 185 ...

Страница 107: ... 98 ...

Страница 108: ... cutoff O 4102 4152 Open phase O 4106 Transmission power supply fault O 4115 Power supply signal sync error O 4116 RPM error Motor error O O 4220 4225 Note 4320 4325 Note 108 Abnormal bus voltage drop O 109 Abnormal bus voltage rise O 111 Logic error O 131 Low bus voltage at startup O 4230 4330 Heatsink overheat protection O 4240 4340 Overload protection O 4250 4255 Note 4350 4355 Note 101 IPM err...

Страница 109: ...outlet tempera ture TH6 O 5107 1221 Temperature sensor fault Outside temperature TH7 O 5110 1214 01 Temperature sensor fault Heatsink temperature THHS O 5201 High pressure sensor fault 63HS1 O 5301 4300 115 ACCT sensor fault O 117 ACCT sensor circuit fault O 119 Open circuited IPM Loose ACCT connector O 120 Faulty ACCT wiring O 5701 Loose float switch connector O 6201 Remote controller board fault...

Страница 110: ...ontroller signal transmission error Hardware error O O 6834 MA controller signal reception error Start bit de tection error O O 7100 Total capacity error O 7101 Capacity code setting error O O O 7102 Wrong number of connected units O 7105 Address setting error O 7106 Attribute setting error O 7110 Connection information signal transmission recep tion error O 7111 Remote controller sensor fault O O...

Страница 111: ...ntrol board and the Fan board 3 Cause check method and remedy 1 Faulty wiring Check the following wiring connections 1 Between Control board and Fan board 2 Between Fan board and INV board 2 INV board failure Fan board failure and Control board failure Replace the INV board or the Fan board or control board when the power turns on automatically even if the power source is reset Refer to section 6 ...

Страница 112: ...ter the stop the first stop or the second stop of the outdoor unit preliminary errors will be displayed on the LED display 3 Cause check method and remedy 1102 Cause Check method and remedy 1 Gas leak gas shortage Refer to the page on refrigerant amount evaluation page 89 2 Overload operation Check operating conditions and operation status of indoor outdoor units 3 LEV failure on the indoor unit P...

Страница 113: ... up the operation immediately stops 3 Cause check method and remedy 1301 Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the section on troubleshooting the low pressure sensor page 163 2 Low pressure sensor failure 3 Short circuited pressure sensor cable due to torn outer rubber 4 A pin on the male connector is missing 5 Disconnected wire 6 Failure of the low pressure...

Страница 114: ...ooling or heating operation to check the oper ation Cooling Indoor unit LEV2a b Heating Indoor unit LEV Refer to the section on troubleshooting the LEV page 166 2 Closed refrigerant service valve Confirm that the refrigerant service valve is fully open 3 Short cycle on the indoor unit side Check the indoor units for problems and correct them if any 4 Clogged filter on the indoor unit 5 Reduced air...

Страница 115: ...it the same se quence as Item 1 above first detection is followed 4 For 30 minutes after the stop of the outdoor unit preliminary errors will be displayed on the LED display 3 Cause check method and remedy 1302 Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the page on the troubleshooting of the high pressure sensor page 162 2 Pressure sensor failure 3 Shorted circui...

Страница 116: ...topped 4 Preliminary water leakage is cancelled when the following conditions are met One hour after the preliminary water leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry The liquid pipe temperature minus the inlet temperature is 10 C 18 F or less 3 Cause check method and remedy 2500 Cause Check method and remedy 1 Drain wat...

Страница 117: ...er leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry The liquid pipe temperature minus the inlet temperature is 10 C 18 F or less 3 Cause check method and remedy Reference 2500 Cause Check method and remedy 1 Drain water drainage problem Clogged drain pump Clogged drain piping Backflow of drain water from other units Check for...

Страница 118: ...n Fan or Stop to an error stop 2502 appears on the monitor of the units that came to an error stop 6 Forced stoppage of the outdoor unit Detection timing The error is detected whether the unit is in operation or stopped 7 Ending criteria for the forced stoppage of outdoor unit Power reset the indoor unit that was identified as the error source and the outdoor unit that is connected to the same ref...

Страница 119: ...ngs the outdoor unit in the same refrigerant circuit to an error stop compressor operation prohibited and the outdoor unit brings all the indoor units in the same refrigerant circuit that are in any mode other than Fan or Stop to an error stop 6 Forced stoppage of the outdoor unit Detection timing The error is detected whether the unit is in operation or stopped This error is detected whether the ...

Страница 120: ...ure thermistor or suction temperature thermistor or short or open circuited Drain pump is in operation One hour has elapsed since the drain sensor went off Short 90 C 194 F or above Open 20 C 4 F or below 3 Cause check method and remedy 2503 Cause Check method and remedy 1 Faulty connector CN31 insertion 1 Check for connector connection failure Reinsert the connector restart the operation and chec...

Страница 121: ...601 Cause Check method and remedy 1 The water tank of the humidifier is empty Check the amount of supply water Check for the solenoid valve and for the connection 2 The solenoid valve for humidification is OFF Check the connector 3 Disconnected float switch Check the connecting part 4 Poor operation of float switch Check for the float switch 5 Frozen water tank Turn off the power source of the wat...

Страница 122: ...ircuit board failure Check the coil connections Check for coil burnout Confirm that the voltage at the CN3 connector is 198 V or above 3 Wiring failure Confirm that the voltage at the control board connector CNAC is 198 V or above If the voltage is below 198V check the wiring connection between the noise filter board CN3 noise filter board CN2 and control board CNAC Confirm that the wiring between...

Страница 123: ...ly problem 4 Transmission voltage detection circuit failure 4 Check method and remedy Check the items in X 7 2 on all outdoor units in the same refrigerant circuit page 180 Transmission power supply fault other than error detail code FF Outdoor unit 2 Error definition and error detection method Transmission power reception failure 3 Cause One of the outdoor units stopped supplying power but no oth...

Страница 124: ...e Check method and remedy 1 Power supply error Check the voltage of the power supply terminal block TB1 2 Noise filter problem Coil problem Circuit board failure Check the coil connections Check for coil burnout Confirm that the voltage at the CN3 connector is 198 V or above 3 Faulty wiring Check fuse F01 on the control board 4 Wiring failure Between noise filter CN3 and noise filter CN2 and con t...

Страница 125: ...board while the inverter is stopped and if it is less than 420 V check the following items 1 Check the coil connections and for coil burnout on the noise filter 2 Check the wiring between the noise filter board and INV board 3 Check the connection to SCP1 and SC P2 on the INV board 4 Check the in rush current resistor value 5 Check the 72C resistance value 6 Check the DCL resistance value Replace ...

Страница 126: ...erter under part 4 Trouble shooting principal parts for error codes related to the inverter page 172 1 Error Code Logic error Detail code 111 2 Error definition and error detection method H W error If only the H W error logic circuit operates and no identifiable error is detected 3 Cause Check method and remedy In the case of 4220 In the case of 4225 Refer to section 6 Inverter under part 4 Troubl...

Страница 127: ...ains at or above 100 C 212 F is detected 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Trouble shooting principal parts for error codes related to the inverter page 172 4220 4225 4230 Cause Check method and remedy 1 Fan board failure Refer to X 4 6 2 6 page 175 2 Outdoor unit fan failure Check the outdoor unit fan operation If any problem is found with the fan operation ...

Страница 128: ...255 Refer to section 6 Inverter under part 4 Trouble shooting principal parts for error codes related to the inverter page 172 4240 Cause Check method and remedy 1 Air passage blockage Check that the heat sink cooling air passage is not blocked 2 Power supply environment Power supply voltage is 342 V or above 3 Inverter failure Refer to X 4 6 page 172 4 Compressor failure Check that the compressor...

Страница 129: ...n method When IPM IGBT short damage or grounding on the load side is detected just before starting the inverter 3 Cause check method and remedy In the case of 4250 In the case of 4255 Refer to section 6 Inverter under part 4 Trouble shooting principal parts for error codes related to the inverter page 172 4250 Cause Check method and remedy 1 Inverter output related Refer to X 4 6 2 1 4 page 174 Ch...

Страница 130: ...l parts for error codes related to the inverter page 172 1 Error Code Heatsink overheat protection at startup 2 Error definition and error detection method The heatsink temperature THHS remains at or above 100 C 212 F for 10 minutes or more at inverter startup 3 Cause check method and remedy Same as 4230 error 4250 4255 Cause Check method and remedy 1 Short circuited compressor Refer to X 4 6 2 2 ...

Страница 131: ...for 3 minutes When the error is not restored after 3 minutes if restored the outdoor unit runs normally the outdoor unit makes an error stop Short detectable at 90 C 194 F or higher Open detectable at 40 C 40 F or lower Sensor error at gas side cannot be detected under the following conditions During heating operation During cooling operation for 3 minutes after the compressor turns on 3 Cause che...

Страница 132: ... is detected just before the restart of the outdoor unit the outdoor unit makes an error stop and the error code 5102 5103 5104 5105 5106 or 5107 will appear During 3 minute antirestart mode preliminary errors will be displayed on the LED display A short or an open described above is not detected for 10 minutes after the compressor start during defrost mode or for 3 minutes after defrost mode 3 Ca...

Страница 133: ...MPa 14psi or more If the high pressure sensor detects 0 098MPa 14psi or less just before the restart the outdoor unit makes an error stop and the error code 5201 will appear During 3 minute antirestart mode preliminary errors will be displayed on the LED display A error is not detected for 3 minutes after the compressor start during defrost operation or 3 minutes after defrost operation 3 Cause ch...

Страница 134: ...ode 117 2 Error definition and error detection method When an error value is detected with the ACCT detection circuit just before the inverter starts 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Trouble shootiong principal parts for error codes related to the inverter page 172 5301 Cause Check method and remedy 1 Inverter open output phase Check the output wiring connec...

Страница 135: ...fore startup Detection of improperly mounted ACCT sensor 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Trouble shooting principal parts for error codes related to the inverter page 172 5301 Cause Check method and remedy 1 Inverter output wiring problem Check output wiring connections Confirm that the U and W phase output cables are put through CT12 and CT22 on the INV bo...

Страница 136: ...fault nonvolatile memory error 2 Error definition and error detection method This error is detected when the data cannot be read out from the built in nonvolatile memory on the remote controller 3 Cause check method and remedy 1 Remote controller failure Replace the remote controller 1 Error Code Remote controller board fault clock IC error 2 Error definition and error detection method This error ...

Страница 137: ...or more of the following have the same address Outdoor units indoor units LOSSNAY units control lers such as M NET remote controllers Example 6600 01 appears on the remote controller Unit 01 detected the error Two or more units in the system have 01 as their ad dress Find the unit that has the same address as that of the error source Once the unit is found correct the address Then turn off the out...

Страница 138: ...s connected to different outdoor units or in case of the system connected with MELANS 4 Check method and remedy 6602 NO Tightly reconnect the male power supply connector to the female power supply switch connector CN40 YES YES YES YES YES YES NO NO NO NO Is the transmission line work performed while the power is on Check the power source of the indoor unit 342 418V Check the transmission line work...

Страница 139: ...on the display on the remote controller indicates the controller where an error oc curred 3 Cause check method and remedy 6603 Cause Check method and remedy 1 The transmission processor cannot be transmit ted as the short wavelength voltage like noise ex ists consecutively on the transmission line No noise indicates that the error source controller is a fail ure If noise exists investigate the noi...

Страница 140: ... remote controller MA No acknowl edgement ACK at RC transmis sion to IC 1 When IC unit address is changed or modified during operation Turn off the outdoor indoor units for 5 or more minutes and turn them on again If the error is accidental they will run normally If not check the causes 1 5 2 Faulty or disconnected IC trans mission wiring 3 Disconnected IC connector CN2M 4 Indoor unit controller f...

Страница 141: ...er sources of the outdoor and indoor units for 5 or more minutes and turn them on again If the error is accidental the will run normal ly If not check the cause 2 2 Disconnection or short circuit of the transmission line for the outdoor unit on the termi nal block for centralized con trol line connection TB7 2 Check the causes of 1 5 If the cause is found correct it If no cause is found check 3 3 ...

Страница 142: ...s that are connect ed to different outdoor units 1 Turn off the power source of LOSSNAY for 5 or more min utes and turn it on again If the error is accidental it will run normally If not check the cause 2 2 Disconnection or short circuit of the transmission line for the outdoor unit on the termi nal block for centralized con trol line connection TB7 2 Check the causes of 1 5 If the cause is found ...

Страница 143: ...of LOSSNAY for 5 or more min utes and turn it on again If the error is accidental it will run normally If not check the cause 2 2 Disconnection or short circuit of the transmission line for the outdoor unit on the termi nal block for centralized con trol line connection TB7 2 Check the causes of 1 5 If the cause is found correct it If no cause is found check 3 3 When multiple outdoor units are con...

Страница 144: ...l ler SC No acknowl edgement ACK at SC transmis sion to IC 1 Error occurrence on some IC Same remedy as that for system with one outdoor unit 1 Same cause as that for system with one outdoor unit 2 Error occurrence on all IC in the system with one outdoor unit 1 Check the LED display for troubleshooting on the outdoor unit 1 Total capacity error 7100 If an error is found check the check code defin...

Страница 145: ... IC Same remedy as that for system with one outdoor unit 1 Same cause as that for system with one outdoor unit 2 Error occurrence on all IC in the system with one outdoor unit 1 Check the LED display for troubleshooting on the out door unit 1 An error is found by the outdoor unit Total capacity error 7100 Capacity code error 7101 Error in the number of connected units 7102 Address setting error 71...

Страница 146: ...oller 3 M NET remote controller failure 2 Error occurrence on all IC in the system with one outdoor unit 1 Check the LED display for troubleshooting on the out door unit 1 An error is found by the outdoor unit Total capacity error 7100 Capacity code error 7101 Error in the number of connected units 7102 Address setting error 7105 If an error is found check the check code definition and correct the...

Страница 147: ...C Delete unnecessary informa tion of non existing address which some indoor units have Use either of the following two methods for deletion 2 Although the address of LOSSNAY has been changed after the interlock registration of LOSSNAY is made using M NET remote controller the in door unit is keeping the mem ory of the previous address 1 Address deletion by M NET re mote controller Delete unnecessa...

Страница 148: ... line voltage signal by exceeding acceptable range of transmission wiring Farthest 200m 656ft or less Remote controller wiring 12m 39ft or less 4 The transmission line voltage signal is decreased due to erroneous sizing of transmission line Wire diameter 1 25mm2 AWG16 or more 4 Check method and remedy 1 When an error occurs during commissioning turn off the power sources for the outdoor unit indoo...

Страница 149: ...signals from the remote controller 4 Check method and remedy 1 Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be ...

Страница 150: ...Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be set to MAIN 5 Diagnose the remote controller described in the r...

Страница 151: ...r disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be set to MAIN 5 Diagnose the remote controller described in the remote co...

Страница 152: ...he signals from the remote controller 4 Check method and remedy 1 Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must ...

Страница 153: ...city code total of in door units connected 2 Check the model name capacity code of the connected indoor unit set by the switch SW2 on indoor unit board When the model name set by the switch is differ ent from that of the unit connected turn off the power source of the outdoor and the indoor units and change the setting of the model name ca pacity code 2 The model selection switches SW5 1 5 4 on th...

Страница 154: ...ch has the error source address set by the switch SW2 on indoor unit board When the model name set by the switch is different from that of the unit connected turn off the power source of the outdoor and the indoor units and change the setting of the capacity code The capacity of the indoor unit can be confirmed by the self diagnosis function SW1 operation of the outdoor unit Outdoor unit 2 The mod...

Страница 155: ...onnected transmission line of the outdoor unit 2 Check 2 3 on the left 3 Short circuited transmission line When 2 and 3 apply the following display will appear 3 Check whether the transmission line for the terminal block for cen tralized control TB7 is not con nected to the terminal block for the indoor outdoor transmission line TB3 M NET remote controller Nothing appears on the remote controller ...

Страница 156: ...0 Check that the address of OC unit is set to 51 100 Reset the address if it stays out of the range while shutting the power source off 7106 Error source Cause Check method and remedy A remote controller for use with indoor units such as the MA remote controller is connected to the OA processing unit whose attribute is FU To operate the OA processing unit directly via a re mote controller for use ...

Страница 157: ... the booster being connected to the switch on the indoor unit The unit will not function properly unless the transmission booster is turned on 2 Power resetting of the transmission booster and outdoor unit Reset the power to the outdoor unit 3 Wiring failure between OC and OS 2 Confirm that the TB3 on the OC and OS are properly connected 4 Broken wire between OC and OS 3 Check the model selection ...

Страница 158: ...if necessary 3 Incompatibility between the control board and INV board Replacement of the circuit board with the wrong one 3 Check the model selection switch on the outdoor unit Dipswitch SW5 7 on the control board 7117 Error source Cause Check method and remedy Outdoor unit 1 Wiring failure 1 Control board connector Check the CNTYP2 4 5 connector connec tion INV board connection Check the CNTYP c...

Страница 159: ...ion of the wire for the MA remote controller and the M NET transmission line on the indoor unit 3 The number of the MA remote controllers that are connected to an indoor unit exceeds the allowable range 2 units 4 The length or the diameter of the wire for the MA remote controller are out of specification 5 Short circuit of the wire for the remote display output of the outdoor unit or reversed pola...

Страница 160: ... the system to which the power supply unit for transmission lines is connected the male power supply connector is connect ed to the female power supply switch connector CN40 on the outdoor unit 4 Disconnected M NET transmission line on the indoor unit side 5 Disconnected wire between the terminal block for M NET line TB5 of the indoor unit and the indoor unit board CN2M or disconnected connector 3...

Страница 161: ...emote controller Short circuited wire for the MA remote controller Disconnected wire for the MA remote controller No 2 and disconnected line to the terminal block Reversed daisy chain connection between groups Incorrect wiring for the MA remote controller to the terminal block for transmission line connection TB5 on the indoor unit The M NET transmission line is connected incorrectly to the termin...

Страница 162: ...display Thermo is OFF Is operation possible Short circuit of the remote controller After turning the power on check whether HO PLEASE WAIT is displayed on the remote controller After more than 20 seconds since turning the power on is LED2 check of the indoor control board still displayed Is the operation by MELANS forbidden or the input from external control equipment allowed SWC ON Is the compuls...

Страница 163: ...ufficient capacity SW1 setting Note Protection works and compressor frequency does not rise even at higher Te than Tem due to high dis charge temperature and high pressure At high discharge temperature Refer to 1102 page 103 At high pressure Refer to 1302 page 105 2 Indoor unit LEV malfunction Refer to the page of LEV troubleshooting 4 5 page 166 Insufficient refrigerant flows due to LEV malfunc t...

Страница 164: ...the foreign object may clog the pipe Remove the foreign object inside the pipe 8 The indoor unit inlet temperature is excessively Less than 15 C 59 F WB Check the inlet air temperature and for short cy cling Change the environment where the indoor unit is used 9 Compressor failure The amount of circulating refrigerant decreases due to refrigerant leak in the compressor Check the discharge temperat...

Страница 165: ...k the pressure sensor Refer to the page on Trouble shooting of Pressure Sensor Note Higher inlet pressure by the high pressure sensor than the actual pressure causes insufficient capac ity SW1 setting 2 Check the difference between the condensing tem perature Tc and the target condensing tempera ture Tcm with self diagnosis LED Note Higher Tc than Tcm causes insufficient capacity SW1 setting Note ...

Страница 166: ...hange the pipe 7 Piping size is not proper thin 8 Clogging by foreign object Check the temperature difference between the up stream and the downstream of the pipe section that is blocked Since blockage in the extended section is difficult to locate operate the unit in the cooling cycle and follow the same procedures that are used to locate the blockage of pipe during cooling operation Remove the b...

Страница 167: ... with SW1 Refer to the reference page for each error mode 1 Abnormal high pressure 2 Abnormal discharge air temperature 3 Heatsink thermistor failure Display the indoor piping temperature table with SW1 to check whether the freeze proof operation runs properly and check the temperature 4 Thermistor failure 5 Pressure sensor failure 6 Over current break 7 Refrigerant overcharge Note1 Frost preventi...

Страница 168: ...nded 2 The sectional voltage level of transmission signal should be as follows Cause Erroneous operation Error code Error code definition Noise interference on the transmission line Signal is transformed and will be misjudged as the signal of another address 6600 Address overlap Transmission wave pattern is transformed due to the noise creating a new signal 6602 Transmission pro cessor hardware er...

Страница 169: ... line can not escape leading to change of the transmission signal 6 Check the treatment meth od of the shield of the transmission line for cen tralized control The transmission cable for centralized control is less subject to noise interference if it is grounded to the outdoor unit whose power jumper cable was moved from CN41 to CN40 or to the power sup ply unit The environment against noise varie...

Страница 170: ...ation between the MA remote controller and the indoor unit is interrupted for 3 minutes in a row MA transmission error 6831 will occur 2 Confirmation of transmission specifications and wave pattern A B No polarity Across terminal No 1 2 Power supply 9V to 12VDC Satisfies the formula 12 msec bit 5 Voltage among terminals must be between DC9 and 12 V TB15 A B 1 2 MA remote controller Transmission wa...

Страница 171: ...igh pressure sensor has a problem 3 Remove the high pressure sensor from the control board to check the pressure on the self diagnosis LED1 1 When the pressure displayed on self diagnosis LED1 is between 0 and 0 098MPa 14psi the high pressure sensor has a problem 2 When the pressure displayed on self diagnosis LED1 is approximately 4 15MPa 601psi the control board has a problem 4 Remove the high p...

Страница 172: ...a problem 2 When the pressure displayed on self diagnosis LED1 is approximately 1 7MPa 247psi the control board has a problem When the outdoor temperature is 30 C 86 F or less the control board has a problem When the outdoor temperature exceeds 30 C 86 F go to 5 4 Remove the low pressure sensor from the control board and short circuit between the No 2 and 3 connectors 63LS CN202 to check the press...

Страница 173: ...to check whether the valve has no faults and the electricity runs between where and where Do not touch the pipe when checking the temperature as the pipe on the oil separator side will be hot Do not give an impact from outside as the outer hull will be deformed leading to the malfunction of the inner valve 2 In case of 21S4b 4 way switching valve About this 4 way valve When not powered Conducts el...

Страница 174: ...erature before and after SV5b can be used to determine if the refrigerant is the pipe 5 In the case of SV9 Solenoid valve This solenoid valve is a switching valve that opens when energized Proper operation of this valve can be checked on the LED display and by the switching sound Do not give an impact from outside as the outer hull will be deformed leading to the malfunction of the inner valve 4 O...

Страница 175: ...ed Orange White Brown Blue Yellow 6 5 4 4 3 2 1 3 2 1 4 3 2 1 Output state Output phase number 1 2 3 4 1 ON OFF OFF ON 2 ON ON OFF OFF 3 OFF ON ON OFF 4 OFF OFF ON ON Output pulses change in the following orders when the Valve is closed 1 2 3 4 1 Valve is open 4 3 2 1 4 1 When the LEV opening angle does not change all the output phases will be off 2 When the output is open phase or remains ON the ...

Страница 176: ...1 8 1 When the LEV opening angle does not change all the output phases will be off 2 When the output is open phase or remains ON the motor cannot run smoothly and rattles and vibrates Output phase number Output state When the power is turned on the valve closing signal of 520 pulses will be output from the indoor board to LEV to fix the valve position It must be fixed at point A Pulse signal is ou...

Страница 177: ...lue using a tester They are normal if resistance is 150ohm 10 Replace the LEV coils Indoor Outdoor LEV2a LEV2b Measure resistance between the coils red white red orange brown yellow brown blue using a tester They are normal if resistance is 46ohm 3 Replace the LEV coils Outdoor LEV1 Incomple sealing leak from the valve When checking the refrigerant leak from the indoor LEV run the target indoor un...

Страница 178: ...he body gripped undue force will be applied and the pipe will be bent 3 Installing the coils Fix the body tightly at the bottom Part A in the figure so that the body will not move then insert the coils from the top and insert the coil stopper securely in the pipe on the body Hold the body when pulling out the coils to prevent so that the pipe will not be bent If the coils are pushed without the bo...

Страница 179: ... not use motors if dropped 3 Do not remove the cap until immediately before the procedure 4 Do not wipe off any molybdenum 5 Do not remove the packing 6 Do not apply any other than specified liquid such as screw lock agent grease and etc Motor Driver Locknut Valve assembling Valve body side Orifice Bellows Refrigerant Circuit Motor Packing Cap Molybdenum ...

Страница 180: ...ick precisely Apply screw lock agent to whole part of the screw Do not introduce screw lock agent into the motor Use new motors if problems are found on the motor during the replacement 7 After rotating the locknut 2 3 times by hands hold the valve body with the spanner and tighten the locknut with the specified torque with a torque wrench Apply the tightening torque of 15N m 150kgf cm administrat...

Страница 181: ...has dropped to DC20V or less It takes about 10 minutes to discharge electricity after the power supply is turn off 2 The IPM on the inverter becomes damaged if there are loose screws are connectors If a problem occurs after replacing some of the parts mixed up wiring is often the cause of the problem Check for proper connection of the wiring screws connectors and Faston terminals 3 To avoid damage...

Страница 182: ...or is in operation page 175 8 Noise is picked up by the peripheral device 1 Check that power supply wiring of the peripheral device does not run close to the power supply wiring of the outdoor unit 2 Check if the inverter output wiring is not running parallel to the power supply wiring and the transmission lines 3 Check that the shielded wire is used as the transmission line when it is required an...

Страница 183: ...ogic error 4220 Detail code No 111 Replace the INV board 3 ACCT sensor circuit failure 5301 Detail code No 117 Replace the INV board 4 IPM open 5301 Detail code No 119 Normal 2 Check for compressor ground fault or coil error Disconnect the compressor wiring and check the com pressor Meg and coil resis tance 1 Compressor Meg failure Error if less than 1 Mohm Check that there is no liquid re frigera...

Страница 184: ...it into oper ation Check the inverter output volt age after the inverter output frequency has stabilized 1 There is an voltage imbalance be tween the wires Greater than 5 imbalance or 5V Replace the INV board 5 Check the fan motor ground fault or the winding Remove the wire for the out door fan motor and check the fan motor megger and the winding resistance 1 Fan motor megger failure Failure when ...

Страница 185: ...dures for individual components of main inverter circuit page 177 IGBT module Rush current protection resistor Electromagnetic relay DC reactor 3 Turn on the power again and check again 1 Main power breaker trip 2 No remote control display 4 Turn on the outdoor unit and check that it operates normally 1 Operates normally without tripping the main breaker a The wiring may have been short circuit ed...

Страница 186: ...sconnect all the wiring connected the INV board and make the measurement 2 Tester restriction Use the tester whose internal electrical power source is 1 5V or greater Use the dry battery powered tester The accurate diode specific resistance cannot be measured with the button battery powered card tester as the applied volt age is low Use a low range tester if possible A more accurate resistance can...

Страница 187: ... P1 FT N SC L1 SC L2 SC L3 Red SC P1 5 200 ohm 5 200 ohm 5 200 ohm FT N SC L1 5 200 ohm SC L2 5 200 ohm SC L3 5 200 ohm Black SC P2 FT N SC L1 SC L2 SC L3 Red SC P2 5 200 ohm 5 200 ohm 5 200 ohm FT N SC L1 5 200 ohm SC L2 5 200 ohm SC L3 5 200 ohm SC U SC W SC V FT N SC P1 SC P2 SC L1 SC L2 SC L3 ...

Страница 188: ...Noise filter Fuse Fuse Fuse 72C LEV Fuse Surge protection INV board Control board Fan board 63H1 72C DCL DC DC converter Detection circuit for the power supply to the transmission line M NET board DC DC converter Microcomputer Microcomputer Microcomputer 5 V Power supply 18 V Power supply 12V Power supply 30 V Power supply Relay drive circuit Relay 5 V Power supply 5 V Power supply 17V Power suppl...

Страница 189: ...orted transmission line or power feed collision for centralized control Replace the control board Check the voltage between No 1 and No 2 pins of the CN102 on the power supply board for the transmission line Check the voltage between No 1 and No 3 pins of the noise filter CN4 Check the voltage between No 1 and No 3 pins of the noise filter CN5 Check the noise filter F4 fuse Check the voltages amon...

Страница 190: ...Tc TH6 is less than 10 C 18 F After the compressor stops collect the refrigerant inside the system repair the leak perform evacuation and recharge new refrigerant Leak spot 4 In the case of outdoor unit handle in the same way as heat ing season 3 Stop all the indoor units and stop the compressor 1 To stop all the indoor units and the compressors turn SW3 2 from ON to OFF when SW3 1 on the outdoor ...

Страница 191: ...ollected 5 Repair the leak 6 After repairing the leak perform evacuation of the extension pipe for the indoor unit and open the service valves BV1 and BV2 to adjust refrigerant 4 Leak spot In the case of outdoor unit Heating season 1 Collect the refrigerant in the entire system outdoor unit extended pipe and indoor unit Do not discharge refrigerant into the atmosphere when it is collected 2 Repair...

Страница 192: ... compressor Reassemble them in the reverse order after replacing the compressor Compressor replacement procedures 1 Remove both the top and bottom service panels front panels 3 Remove the wires that are secured to the frame and remove the frame Electric wiring Frame Service panel Control box Compressor cover front 2 Remove the control box and the compressor cover front ...

Страница 193: ...material Suction piping Protection for the compressor cover 6 Place protective materials on the insulation lining of the compressor cover and on the sealing material on the compressor suction pipe to protect them from the torch flame debraze the pipe and replace the compressor Belt heater Compressor covers right and left The inside of the compressor cover is lined with sound insulation material ...

Страница 194: ...onnected there is a problem with the wiring to those connectors or with the connectors themselves 3 If nothing appears on the display under item 2 above AND the voltage between pins 1 and 3 of CNDC is within the range between 220 VDC and 380 VDC control board failure is suspected 3 Only the software version appears on the LED display 1 Only the software version appears while the transmission cable...

Страница 195: ... X Troubleshooting 186 HWE07150 GB ...

Страница 196: ... 187 HWE07150 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 189 ...

Страница 197: ... 188 ...

Страница 198: ...ms can be checked by making the switch setting that corresponds to No 517 in the LED display table Only item No 1 Software Version appears on the display if there is a wiring failure between the control board and the trans mission line power supply board or if the circuit board has failed 1 Display of numerical values Example When the pressure data sensor reads 18 8kg cm2 Item No 58 The unit of pr...

Страница 199: ...er is turned off and then on again the count will resume from the time before the power was turned off Thus the time that differs the actual time will be displayed This also applies when a power failure occurs The system controller such as G B 50A adjusts the time once a day When the system controller is connected the time will be automatically updated to the correct current time after the time se...

Страница 200: ...3 Including IC and BC 0000 to 9999 Address and error codes highlighted B If no errors are detected appears on the dis play 3 1100000000 Relay out put display 2 Top 21S4a CH11 SV1a A A Bottom 21S4b SV5b 4 0010000000 Relay out put display 3 Top SV9 Power sup ply for indoor transmis sion line A A Bottom 5 1010000000 6 0110000000 7 1110000000 Special control Retry opera tion Emergency operation Commun...

Страница 201: ...nit No 23 Unit No 24 Bottom Unit No 25 Unit No 26 Unit No 27 Unit No 28 Unit No 29 Unit No 30 Unit No 31 Unit No 32 18 0100100000 Top Unit No 33 Unit No 34 Unit No 35 Unit No 36 Unit No 37 Unit No 38 Unit No 39 Unit No 40 Bottom Unit No 41 Unit No 42 Unit No 43 Unit No 44 Unit No 45 Unit No 46 Unit No47 Unit No 48 19 1100100000 Top Unit No 49 Unit No 50 Bottom 20 0010100000 Indoor unit Operation m...

Страница 202: ... Bottom Unit No 41 Unit No 42 Unit No 43 Unit No 44 Unit No 45 Unit No 46 Unit No47 Unit No 48 27 1101100000 Top Unit No 49 Unit No 50 Bottom 28 0011100000 29 1011100000 30 0111100000 31 1111100000 32 0000010000 33 1000010000 34 0100010000 35 1100010000 36 0010010000 37 1010010000 38 0110010000 39 1110010000 Outdoor unit Operation mode Permissible stop Standby Cooling Heating B 40 0001010000 41 10...

Страница 203: ... 999 9 A A The unit is C 57 1001110000 THBOX 99 9 to 999 9 A A 58 0101110000 High pressure sensor data 99 9 to 999 9 A A The unit is kgf cm 2 59 1101110000 Low pressure sensor data 99 9 to 999 9 A A 60 0011110000 61 1011110000 62 0111110000 63 1111110000 64 0000001000 65 1000001000 66 0100001000 67 1100001000 68 0010001000 69 1010001000 70 0110001000 71 1110001000 Current data No SW1 Item Display ...

Страница 204: ...es OC OS 0000 to 9999 B Control data Hz 87 1110101000 Total frequency of each unit 0000 to 9999 A A 88 0001101000 COMP frequency 0000 to 9999 A A 89 1001101000 90 0101101000 91 1101101000 92 0011101000 93 1011101000 All AK OC OS 0000 to 9999 B 94 0111101000 AK 0000 to 9999 A A 95 1111101000 FAN 0000 to 9999 A A Fan output 96 0000011000 Fan inverter output fre quency 0000 to 9999 A A Twice the actu...

Страница 205: ...A A The unit is V 112 0000111000 113 1000111000 114 0100111000 115 1100111000 116 0010111000 Number of times the unit went into the mode to remedy wet vapor suction 0000 to 9999 117 1010111000 COMP Operation time Upper 4 digits 0000 to 9999 A A The unit is h 118 0110111000 COMP Operation time Lower 4 digits 0000 to 9999 A A 119 1110111000 Integrated cleaning time minute 0000 to 9999 B Current data...

Страница 206: ...p events Lower 4 digits 0000 to 9999 A A 125 1011111000 126 0111111000 127 1111111000 128 0000000100 129 1000000100 Integrated operation time of compressor for rotation purpose 0000 to 9999 B The unit is h 130 0100000100 131 1100000100 132 0010000100 133 1010000100 134 0110000100 135 1110000100 136 0001000100 137 1001000100 138 0101000100 139 1101000100 140 0011000100 141 1011000100 142 0111000100...

Страница 207: ...0100 156 0011100100 157 1011100100 158 0111100100 159 1111100100 160 0000010100 161 1000010100 162 0100010100 163 1100010100 164 0010010100 165 1010010100 166 0110010100 167 1110010100 168 0001010100 169 1001010100 170 0101010100 Current data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The ...

Страница 208: ... 1011010100 174 0111010100 175 1111010100 176 0000110100 177 1000110100 Current data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the entire refrigerant system is displayed ...

Страница 209: ...rter Error details of inverter 0001 0120 A A 188 0011110100 Error history 6 0000 to 9999 B B 189 1011110100 Error details of inverter Error details of inverter 0001 0120 A A 190 0111110100 Error history 7 0000 to 9999 B B 191 1111110100 Error details of inverter Error details of inverter 0001 0120 A A 192 0000001100 Error history 8 0000 to 9999 B B 193 1000001100 Error details of inverter Error de...

Страница 210: ...Cooling Heating B 206 0111001100 207 1111001100 208 0000101100 Outdoor unit control mode Stop Thermo OFF Abnormal stop Scheduled control Initial start up Defrost Oil balance Low fre quency oil recovery A A 209 1000101100 Refrigerant recovery A A 210 0100101100 211 1100101100 Relay output display 1 Lighting Comp in op eration 72C OC Always lit A A 212 0010101100 Relay out put display 2 Lighting Top...

Страница 211: ...99 9 A A The unit is C 228 0010011100 THBOX 99 9 to 999 9 A A 229 1010011100 High pressure sensor data 99 9 to 999 9 A A The unit is kgf cm 2 230 0110011100 Low pressure sensor data 99 9 to 999 9 A A 231 1110011100 232 0001011100 233 1001011100 234 0101011100 235 1101011100 236 0011011100 237 1011011100 238 0111011100 239 1111011100 240 0000111100 241 1000111100 242 0100111100 Error history No SW1...

Страница 212: ...al frequencies OC OS 0000 to 9999 B Control data Hz 258 0100000010 Total frequency of each unit 0000 to 9999 A A 259 1100000010 COMP frequency 0000 to 9999 A A 260 0010000010 261 1010000010 262 0110000010 263 1110000010 264 0001000010 All AK OC OS 0000 to 9999 B 265 1001000010 AK 0000 to 9999 A A 266 0101000010 FAN 0000 to 9999 A A Fan inverter output 267 1101000010 Fan inverter output fre quency ...

Страница 213: ...10 281 1001100010 282 0101100010 COMP bus voltage 00 0 to 999 9 A A The unit is V 283 1101100010 284 0011100010 285 1011100010 286 0111100010 287 1111100010 288 0000010010 COMP Operation time Upper 4 digits 0000 to 9999 A A The unit is h 289 1000010010 COMP Operation time Lower 4 digits 0000 to 9999 A A 290 0100010010 291 1100010010 292 0010010010 Error history No SW1 Item Display Unit A B 1 Remar...

Страница 214: ...top events Lower 4 digits 0000 to 9999 A A 296 0001010010 297 1001010010 298 0101010010 299 1101010010 300 0011010010 Integrated operation time of compressor for rotation purpose 0000 to 9999 B The unit is h Error history No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the enti...

Страница 215: ...0 304 0000110010 305 1000110010 306 0100110010 307 1100110010 308 0010110010 309 1010110010 310 0110110010 311 1110110010 312 0001110010 313 1001110010 314 0101110010 315 1101110010 316 0011110010 317 1011110010 318 0111110010 319 1111110010 320 0000001010 321 1000001010 322 0100001010 323 1100001010 324 0010001010 325 1010001010 326 0110001010 327 1110001010 1 A The condition of either OC or OS i...

Страница 216: ... 0100101010 339 1100101010 340 0010101010 341 1010101010 342 0110101010 343 1110101010 344 0001101010 345 1001101010 346 0101101010 347 1101101010 348 0011101010 349 1011101010 350 0111101010 Current data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the entire refrigerant sy...

Страница 217: ...ess capacity code 0000 to 9999 0000 to 9999 358 0110011010 IC8 Address capacity code 0000 to 9999 0000 to 9999 359 1110011010 IC9 Address capacity code 0000 to 9999 0000 to 9999 360 0001011010 IC10 Address capacity code 0000 to 9999 0000 to 9999 361 1001011010 IC11 Address capacity code 0000 to 9999 0000 to 9999 362 0101011010 IC12 Address capacity code 0000 to 9999 0000 to 9999 363 1101011010 IC1...

Страница 218: ...y code 0000 to 9999 0000 to 9999 382 0111111010 IC32 Address capacity code 0000 to 9999 0000 to 9999 383 1111111010 IC33 Address capacity code 0000 to 9999 0000 to 9999 384 0000000110 IC34 Address capacity code 0000 to 9999 0000 to 9999 385 1000000110 IC35 Address capacity code 0000 to 9999 0000 to 9999 386 0100000110 IC36 Address capacity code 0000 to 9999 0000 to 9999 387 1100000110 IC37 Address...

Страница 219: ...acity code 0000 to 9999 0000 to 9999 401 1000100110 402 0100100110 403 1100100110 404 0010100110 405 1010100110 406 0110100110 407 1110100110 408 0001100110 IC1 Suction temperature 99 9 to 999 9 B The unit is C 409 1001100110 IC2 Suction temperature 99 9 to 999 9 410 0101100110 IC3 Suction temperature 99 9 to 999 9 411 1101100110 IC4 Suction temperature 99 9 to 999 9 Data on indoor unit system No ...

Страница 220: ...ure 99 9 to 999 9 424 0001010110 IC17 Suction temperature 99 9 to 999 9 425 1001010110 IC18 Suction temperature 99 9 to 999 9 426 0101010110 IC19 Suction temperature 99 9 to 999 9 427 1101010110 IC20 Suction temperature 99 9 to 999 9 428 0011010110 IC21 Suction temperature 99 9 to 999 9 429 1011010110 IC22 Suction temperature 99 9 to 999 9 430 0111010110 IC23 Suction temperature1 99 9 to 999 9 431...

Страница 221: ...9 9 450 0100001110 IC43 Suction temperature 99 9 to 999 9 451 1100001110 IC44 Suction temperature 99 9 to 999 9 452 0010001110 IC45 Suction temperature 99 9 to 999 9 453 1010001110 IC46 Suction temperature 99 9 to 999 9 454 0110001110 IC47 Suction temperature 99 9 to 999 9 455 1110001110 IC48 Suction temperature 99 9 to 999 9 456 0001001110 IC49Suction temperature 99 9 to 999 9 457 1001001110 IC50...

Страница 222: ...ture 99 9 to 999 9 478 0111101110 IC21 Liquid pipe temperature 99 9 to 999 9 479 1111101110 IC22 Liquid pipe temperature 99 9 to 999 9 480 0000011110 IC23 Liquid pipe temperature 99 9 to 999 9 481 1000011110 IC24 Liquid pipe temperature 99 9 to 999 9 482 0100011110 IC25 Liquid pipe temperature 99 9 to 999 9 483 1100011110 IC26 Liquid pipe temperature 99 9 to 999 9 484 0010011110 IC27 Liquid pipe t...

Страница 223: ...11110 IC43 Liquid pipe temperature 99 9 to 999 9 501 1010111110 IC44 Liquid pipe temperature 99 9 to 999 9 502 0110111110 IC45 Liquid pipe temperature 99 9 to 999 9 503 1110111110 IC46 Liquid pipe temperature 99 9 to 999 9 504 0001111110 IC47 Liquid pipe temperature 99 9 to 999 9 505 1001111110 IC48 Liquid pipe temperature 99 9 to 999 9 506 0101111110 IC49 Liquid pipe temperature 99 9 to 999 9 507...

Страница 224: ...dress Count up display of number of connected units B 515 1100000001 BC BS TU address Count up display of number of connected units 516 0010000001 OS address Count up display of number of connected units B 517 1010000001 Version Capacity S W version Refrigerant type Model and capacity Communication address A A 518 0110000001 OC address OC address display B 519 1110000001 520 0001000001 521 1001000...

Страница 225: ...10100001 IC12 Gas pipe temperature 99 9 to 999 9 535 1110100001 IC13 Gas pipe temperature 99 9 to 999 9 536 0001100001 IC14 Gas pipe temperature 99 9 to 999 9 537 1001100001 IC15 Gas pipe temperature 99 9 to 999 9 538 0101100001 IC16 Gas pipe temperature 99 9 to 999 9 539 1101100001 IC17 Gas pipe temperature 99 9 to 999 9 540 0011100001 IC18Gas pipe temperature 99 9 to 999 9 541 1011100001 IC19 Ga...

Страница 226: ...9 1111010001 IC37 Gas pipe temperature 99 9 to 999 9 560 0000110001 IC38 Gas pipe temperature 99 9 to 999 9 561 1000110001 IC39 Gas pipe temperature 99 9 to 999 9 562 0100110001 IC40 Gas pipe temperature 99 9 to 999 9 563 1100110001 IC41 Gas pipe temperature 99 9 to 999 9 564 0010110001 IC42 Gas pipe temperature 99 9 to 999 9 565 1010110001 IC43 Gas pipe temperature 99 9 to 999 9 566 0110110001 IC...

Страница 227: ...99 9 583 1110001001 IC11SH 99 9 to 999 9 584 0001001001 IC12SH 99 9 to 999 9 585 1001001001 IC13SH 99 9 to 999 9 586 0101001001 IC14SH 99 9 to 999 9 587 1101001001 IC15SH 99 9 to 999 9 588 0011001001 IC16SH 99 9 to 999 9 589 1011001001 IC17SH 99 9 to 999 9 590 0111001001 IC18SH 99 9 to 999 9 591 1111001001 IC19SH 99 9 to 999 9 592 0000101001 IC20SH 99 9 to 999 9 593 1000101001 IC21SH 99 9 to 999 9...

Страница 228: ... 9 611 1100011001 IC39SH 99 9 to 999 9 612 0010011001 IC40SH 99 9 to 999 9 613 1010011001 IC41SH 99 9 to 999 9 614 0110011001 IC42SH 99 9 to 999 9 615 1110011001 IC43SH 99 9 to 999 9 616 0001011001 IC44SH 99 9 to 999 9 617 1001011001 IC45SH 99 9 to 999 9 618 0101011001 IC46SH 99 9 to 999 9 619 1101011001 IC47SH 99 9 to 999 9 620 0011011001 IC48SH 99 9 to 999 9 621 1011011001 IC49SH 99 9 to 999 9 6...

Страница 229: ...99 9 633 1001111001 IC11SC 99 9 to 999 9 634 0101111001 IC12SC 99 9 to 999 9 635 1101111001 IC13SC 99 9 to 999 9 636 0011111001 IC14SC 99 9 to 999 9 637 1011111001 IC15SC 99 9 to 999 9 638 0111111001 IC16SC 99 9 to 999 9 639 1111111001 IC17SC 99 9 to 999 9 640 0000000101 IC18SC 99 9 to 999 9 641 1000000101 IC19SC 99 9 to 999 9 642 0100000101 IC20SC 99 9 to 999 9 643 1100000101 IC21SC 99 9 to 999 9...

Страница 230: ...C 99 9 to 999 9 662 0110100101 IC40SC 99 9 to 999 9 663 1110100101 IC41SC 99 9 to 999 9 664 0001100101 IC42SC 99 9 to 999 9 665 1001100101 IC43SC 99 9 to 999 9 666 0101100101 IC44SC 99 9 to 999 9 667 1101100101 IC45SC 99 9 to 999 9 668 0011100101 IC46SC 99 9 to 999 9 669 1011100101 IC47SC 99 9 to 999 9 670 0111100101 IC48SC 99 9 to 999 9 671 1111100101 IC49SC 99 9 to 999 9 672 0000010101 IC50SC 99...

Страница 231: ...10101 INV board S W version 0 00 to 99 99 A A 677 1010010101 678 0110010101 679 1110010101 Fan board S W version 0 00 to 99 99 A A 680 0001010101 681 1001010101 682 0101010101 683 1101010101 684 0011010101 685 1011010101 686 0111010101 687 1111010101 1 A The condition of either OC or OS is displayed individually B The condition of the entire refrigerant system is displayed ...

Страница 232: ...1 Time of error detection 3 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 696 0001110101 Time of error detection 4 00 00 to 23 59 Hour minute 697 1001110101 Time of error detection 4 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 698 0101110101 Time of error detection 5 00 00 to 23 59 Hour minute 699 1101110101 Time of error detection 5 2 00 00 to 99 12 1 t...

Страница 233: ...detection 9 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 708 0010001101 Time of error detection 10 00 00 to 23 59 Hour minute 709 1010001101 Time of error detection 10 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 710 0110001101 Time of last data backup be fore error 00 00 to 23 59 Hour minute 711 1110001101 Time of last data backup be fore error 2 00 00 ...

Страница 234: ...pening 0000 to 9999 725 1010101101 IC12 LEV opening 0000 to 9999 726 0110101101 IC13 LEV opening 0000 to 9999 727 1110101101 IC14 LEV opening 0000 to 9999 728 0001101101 IC15 LEV opening 0000 to 9999 729 1001101101 IC16 LEV opening 0000 to 9999 730 0101101101 IC17 LEV opening 0000 to 9999 731 1101101101 IC18 LEV opening 0000 to 9999 732 0011101101 IC19 LEV opening 0000 to 9999 733 1011101101 IC20 ...

Страница 235: ...ning 0000 to 9999 755 1100111101 IC42 LEV opening 0000 to 9999 756 0010111101 IC43 LEV opening 0000 to 9999 757 1010111101 IC44 LEV opening 0000 to 9999 758 0110111101 IC45 LEV opening 0000 to 9999 759 1110111101 IC46 LEV opening 0000 to 9999 760 0001111101 IC47 LEV opening 0000 to 9999 761 1001111101 IC48 LEV opening 0000 to 9999 762 0101111101 IC49 LEV opening 0000 to 9999 763 1101111101 IC50 LE...

Страница 236: ...on mode 782 0111000011 IC19 Operation mode 783 1111000011 IC20 Operation mode 784 0000100011 IC21 Operation mode 785 1000100011 IC22 Operation mode 786 0100100011 IC23 Operation mode 787 1100100011 IC24 Operation mode 788 0010100011 IC25 Operation mode 789 1010100011 IC26 Operation mode 790 0110100011 IC27 Operation mode 791 1110100011 IC28 Operation mode 792 0001100011 IC29 Operation mode 793 100...

Страница 237: ...mode 811 1101010011 IC48 Operation mode 812 0011010011 IC49 Operation mode 813 1011010011 IC50 Operation mode 814 0111010011 IC1 filter 0000 to 9999 B Hours since last mainte nance h 815 1111010011 IC2 filter 0000 to 9999 816 0000110011 IC3 filter 0000 to 9999 817 1000110011 IC4 filter 0000 to 9999 818 0100110011 IC5 filter 0000 to 9999 819 1100110011 IC6 filter 0000 to 9999 820 0010110011 IC7 fil...

Страница 238: ...1011 IC25 filter 0000 to 9999 839 1110001011 IC26 filter 0000 to 9999 840 0001001011 IC27 filter 0000 to 9999 841 1001001011 IC28 filter 0000 to 9999 842 0101001011 IC29 filter 0000 to 9999 843 1101001011 IC30 filter 0000 to 9999 844 0011001011 IC31 filter 0000 to 9999 845 1011001011 IC32 filter 0000 to 9999 846 0111001001 IC33 filter 0000 to 9999 847 1111001011 IC34 filter 0000 to 9999 848 000010...

Страница 239: ...0 to 9999 858 0101101011 IC45 filter 0000 to 9999 859 1101101011 IC46 filter 0000 to 9999 860 0011101011 IC47 filter 0000 to 9999 861 1011101011 IC48 filter 0000 to 9999 862 0111101011 IC49 filter 0000 to 9999 863 1111101011 IC50 filter 0000 to 9999 Data on indoor unit system No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or O...

Страница 240: ...ent effec tive value 1 99 9 to 999 9 A A 873 1001011011 Power factor phase an gle 1 99 9 to 999 9 A A The unit is deg 874 0101011011 875 1101011011 876 0011011011 877 1011011011 878 0111011011 879 1111011011 880 0000111011 Control board Reset counter 0 to 254 A A The unit is time 881 1000111011 INV board Reset counter 0 to 254 A A 882 0100111011 883 1100111011 884 0010111011 Fan board Reset counte...

Страница 241: ...000111 899 1100000111 900 0010000111 901 1010000111 902 0110000111 903 1110000111 904 0001000111 905 1001000111 906 0101000111 907 1101000111 1020 0011111111 1021 1011111111 1022 0111111111 1023 1111111111 Other types of data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the ...

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