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[

IX

Test Run Mode ]

- 111 -

HWE10190

GB

[3] Operating Characteristic and Refrigerant Amount

It is important to have a clear understanding of the characteristics of refrigerant and the operating characteristics of air conditioners

before attempting to adjust the refrigerant amount in a given system.

1. Operating characteristic and refrigerant amount

The following table shows items of particular importance.

1) General tendency of discharge temperature

Discharge temperature tends to rise when the system is short on refrigerant.

Changing the amount of refrigerant in the system while there is refrigerant in the accumulator has little effect on the discharge

temperature.

The higher the pressure, the more likely it is for the discharge temperature to rise.

The lower the pressure, the more likely it is for the discharge temperature to rise.

2) When the amount of refrigerant in the system is adequate, the compressor shell temperature is 10 to 60°C [18 to 108°F] higher

than the low pressure saturation temperature (Te).
-> If the temperature difference between the compressor shell temperature and low pressure saturation temperature (Te) is

smaller than 5°C [9°F], an overcharging of refrigerant is suspected.

[4] Adjusting the Refrigerant 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 either cooling-only or heating-only mode, and check such items as discharge temperature, subcool-

ing, low pressure, suction temperature, and shell bottom temperature to estimate the amount of refrigerant in the system.

The system comes to an abnormal stop, displaying 1500 (overcharged refrigerant) on

the controller.

Overcharged refrigerant

The operating frequency does not reach the set frequency, and there is a problem with

performance.

Insufficient refrigerant amount

The system comes to an abnormal stop, displaying 1102 (abnormal discharge temper-

ature) on the controller.

Symptoms

Conclusion

Discharge temperature is high. (Normal discharge temperature is below 95°C [203°F].) Slightly

under-

charged refrigerant

Low pressure is unusually low.

Suction superheat is large. (Normal suction superheat is less than 20°C [36°F].)

Compressor shell bottom temperature is high. (The difference between the compressor shell

bottom temperature and low pressure saturation temperature (Te) is greater than 60°C [108°F].)

Discharge superheat is small. (Normal discharge superheat is greater than 10°C [18°F].)

Slightly overcharged

refrigerant

Compressor shell bottom temperature is low. (The difference between the compressor shell bot-

tom temperature and low pressure saturation temperature (Te) is less than 5°C [9°F].)

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Содержание PUHY-P250YJM-A

Страница 1: ......

Страница 2: ...on an unstable surface may fall and cause in jury Only 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 ca...

Страница 3: ...tive gear such as gloves and safety goggles 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 electric grill poisonous gases may be produced Do not try to defeat the safety features of the unit Forced operation of the pressure switch or the temperature switch by defeating the safety features of these devices or th...

Страница 4: ...e liquid refrigerant as opposed to gaseous re frigerant into the system If 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 c...

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: ...it Circuit Board 58 5 Fan 59 V Remote Controller 1 Functions and Specifications of MA Remote Controller 63 2 Using the built in Temperature Sensor on the Remote Controller 63 VI Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Outdoor Unit 67 2 Electrical Wiring Diagram of the Indoor Unit 68 3 Electrical Wiring Diagram of Transmission Booster 72 VII Refrigerant Circuit 1 Refrigerant Ci...

Страница 9: ...HWE10190 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 219 ...

Страница 10: ...Materials 6 4 Storage of Piping 8 5 Pipe Processing 8 6 Brazing 9 7 Air Tightness Test 10 8 Vacuum Drying Evacuation 11 9 Refrigerant Charging 12 10 Remedies to be taken in case of a Refrigerant Leak 12 11 Characteristics of the Conventional and the New Refrigerants 13 12 Notes on Refrigerating Machine Oil 14 ...

Страница 11: ... 2 HWE10190 GB ...

Страница 12: ...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 refrigerant oil to deteriorate ...

Страница 13: ...ylinder 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 be used if a check valve adapter is attache...

Страница 14: ...ating the cycle Tools recommended for replacing parts for changing the indoor unit static air pressure When replacing a motor or pulley work can be performed easier by using tools of dimensions close to the following specifi cations Tools Materials Use Notes Charging Cylinder Refrigerant charging Prohibited to use 13 Extension bar Ratchet handle 9 5mm 3 8 75 10 5 18 190 17 36 27 5 ...

Страница 15: ...erial 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 only as a reference Use pipes that meet the local standards O material Anne...

Страница 16: ...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 17: ...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 18: ...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 19: ...ount 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 cylinder will change and become unsuitable...

Страница 20: ...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 21: ...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 22: ...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 23: ...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 24: ...onfiguration 17 2 Types and Maximum allowable Length of Cables 17 3 Switch Settings and Address Settings 19 4 Sample System Connection 25 5 An Example of a System to which an MA Remote Controller is connected 26 6 Restrictions on Pipe Length 34 ...

Страница 25: ... 16 HWE10190 GB ...

Страница 26: ...tem 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 5 An Example of a System to which an MA Remote Controller is connected before performing wiring w...

Страница 27: ...ission 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 1640ft max The maximum overall line length from the power supply unit on the transmission lines for centralized control to each outdoor unit or to the system controll...

Страница 28: ...ings are changed while the unit is being powered those changes will not take effect and the unit will not function properly 1 The outdoor units in the same refrigerant circuit are automatically designated as OC and OS in the order of capacity from large to small if two or more units have the same capacity in the order of address from small to large 2 Turn off the power to all the outdoor units in ...

Страница 29: ... required The main sub setting must be made if 2 remote controllers are connected to the system Main Outdoor unit 51 to 100 1 Assign an address that equals the address of the in door unit in the same refrigerant circuit plus 50 The outdoor units in the same refrigerant circuit are auto matically designated as OC and OS 3 00 System controller Group remote controller 201 to 250 Assign an address tha...

Страница 30: ...n when the unit is put back into operation 2 Requires that the dipswitch settings for all the units in the group be made System configu ration Connection to the system con troller Power supply unit for transmission lines Group operation of units in a sys tem with multiple outdoor units Power supply switch connector connection System with one outdoor unit _ _ _ Leave CN41 as it is Factory setting S...

Страница 31: ...ing cooling heating operation thermo OFF by an external input to the outdoor unit It can be used as the DEMAND control device for each system DEMAND level CN3D 2 2 For details refer to 1 through 4 on the next page Adapter for external input PAC SC36NA E Performs a low level noise operation of the outdoor unit by an ex ternal input to the outdoor unit It can be used as the silent operation device f...

Страница 32: ...y Preparations in the field OFF Cooling ON Heating Normal Y OFF ON X Contact rating voltage DC15V Contact rating current 0 1A Minimum applicable load 1mA at DC X Cooling Heating Y Validity Invalidity of X X Y Relay CN3N X Y Relay circuit Adapter 2 Outdoor unit control board Maximum cable length is 10m 1 2 3 4 CN3D 2 Optional part PAC SC36NA E or field supply X Low noise mode X Low noise mode Y Com...

Страница 33: ...OFF mode Correct 100 to 75 to 50 4 The percentage of the demand listed in the table above is an approximate value based on the compressor volume and does not necessarily correspond with the actual capacity 5 Notes on using demand control in combination with the low noise mode To enable the low noise mode it is necessary to short circuit 1 2 pin of CN3D on the outdoor unit whose SW4 4 is set to OFF...

Страница 34: ...evice or controller for details 1 An example of a system to which an MA remote controller is connected 8 step demand No 2 CN3D 1 2P Open Short circuit No 1 CN3D 1 2P 1 3P Open Short circuit Open Short circuit Open Open 100 50 88 75 Short circuit 50 0 38 25 Short circuit Open 88 38 75 63 Short circuit 75 25 63 50 System configuration Connection to the system controller Address start up for in door ...

Страница 35: ...group of indoor units To connect three or more indoor units to the system use two or less MA remote controllers 3 Maximum allowable length 1 Indoor outdoor transmission cable Maximum cable distance 1 25 mm2 AWG16 min L1 200m 656ft 2 Transmission cable for the centralized control system No connection is required 3 MA remote controller wiring Total cable length 0 3 to 1 25mm2 AWG22 to 16 m1 200m 656...

Страница 36: ...n MA remote con troller is built in on the indoor unit 4 Switch setting Address setting is required as follows 5 Address setting method The outdoor units in the same refrigerant circuit are automatically designated as OC and OS Units are designated as OC and OS in the descending order of capacity ascending order of address if the capacities are the same Unit or controller Address setting range Set...

Страница 37: ...ystem use two or less MA remote controllers 3 Maximum allowable length 1 Indoor outdoor transmission cable Maximum cable distance 1 25 mm2 AWG16 min L1 L2 200m 656ft 2 Transmission cable for the centralized control system No connection is required 3 MA remote controller wiring Total cable length 0 3 to 1 25mm2 AWG22 to 16 m1 m2 200m 656ft IC MA Main TB5 1 M1 M2 S 01 TB15 1 2 A B MA Sub A B MA Appl...

Страница 38: ... Sub setting of the MA remote controller sold separately connected to the indoor unit to Sub The main MA remote controller is built in on the indoor unit 4 Switch setting Address setting is required as follows 5 Address setting method Applicable to the P750 and P900 F models The outdoor units in the same refrigerant circuit are automatically designated as OC and OS Units are designated as OC and O...

Страница 39: ...A remote controllers When a relay connector for MA remote controller cable is removed from the indoor unit the unit can be in the same state as when MA remote controller is removed from the unit 3 Maximum allowable length 1 Indoor outdoor transmission cable Same as section 5 1 2 Transmission cable for the centralized control system Same as section 5 1 3 MA remote controller wiring Total cable leng...

Страница 40: ...h setting Address setting is required as follows 5 Address setting method The outdoor units in the same refrigerant circuit are automatically designated as OC and OS Units are designated as OC and OS in the descending order of capacity ascending order of address if the capacities are the same Unit or controller Address setting range Setting method Notes Factory setting 1 Indoor unit Main con troll...

Страница 41: ... unit 5 When a power booster is connected to the transmission cable for the centralized control system leave the power jumper on CN41 as it is factory setting 3 Maximum allowable length 1 Indoor outdoor transmission cable Same as section 5 1 2 Transmission cable for the centralized control system L31 L32 200m 656ft only L31 L32 200m 656ft 3 MA remote controller wiring Same as section 5 1 4 Maximum...

Страница 42: ... Address setting method The outdoor units in the same refrigerant circuit are automatically designated as OC and OS Units are designated as OC and OS in the descending order of capacity ascending order of address if the capacities are the same Unit or controller Address set ting range Setting method Notes Factory setting 1 Indoor unit Main con troller IC 01 to 50 Assign the lowest address to the m...

Страница 43: ... A OU H OU above IU H OU under IU Bent equivalent length M M m bent ft bent Outdoor Model PUHY P250YJM 0 42 1 38 IU Piping length m ft Max length Piping in the figure Item Max equivalent length A Height between OU and IU OU above IU Height between OU and IU OU under IU OU Outdoor Unit IU Indoor Unit 190 623 165 541 Farthest IU from OU L1 H H 50 164 40 131 mm in Outdoor Pipe Gas Pipe Liquid PUHY P2...

Страница 44: ... joint and outdoor unit exceeds 2 m provide at rap at a distance 2 m or less from the branch joint OK NO OU OU IU max Bent equivalent length M M m bent ft bent Outdoor Model PUHY P500YSHM 0 50 1 64 PUHY P750YSHM 0 70 2 29 Piping length m ft Max length Piping in the figure Item Max equivalent length S A Height between OU and IU OU above IU Height between OU and IU OU above IU OU Outdoor Unit IU Ind...

Страница 45: ... II Restrictions 36 HWE10190 GB ...

Страница 46: ... 37 HWE10190 GB III Outdoor Unit Components 1 Outdoor Unit Components and Refrigerant Circuit 39 2 Control Box of the Outdoor Unit 41 3 Outdoor Unit Circuit Board 42 ...

Страница 47: ... 38 HWE10190 GB ...

Страница 48: ...II Outdoor Unit Components 1 Outdoor Unit Components and Refrigerant Circuit 1 Outdoor unit components 1 PUHY P250 P350 P400YJM A Fan Control Control Box Box Control Box Fan guard Fin guard Front panel Heat exchanger Heat exchanger Heat exchanger ...

Страница 49: ... Subcool coil High pressure check joint Low pressure check joint 4 way valve 21S4a 4 way valve 21S4b Check valve Low pressure sensor 63LS Accumulator Compressor cover Compressor Oil separator Solenoid valve SV1a Solenoid valve SV9 Gas side valve Liquid side valve Linear expansion valve LEV2 2 way valve SV5b Linear expansion valve LEV1 Subcool coil High pressure check joint Low pressure check joint...

Страница 50: ...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 51: ...ut 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 Indoor outdoor transmission line input output 30VDC Power supply input for centralized control system 30VDC ...

Страница 52: ...ed control system CNIT 12VDC input GND 5VDC input 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 53: ...eck 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 5VDC output RSH1 Overcurrent detection resistor CN4 GND Fan Board Serial communication signal output CN2 Serial communication signal output GND 17VDC inp...

Страница 54: ...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 55: ... P N CN5 Output Rectified L2 N current P N 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 Surge absorber circuit Surge absorber circuit Short circuit Short circuit ...

Страница 56: ... 47 HWE10190 GB IV Indoor Unit Components 1 External Dimensions 49 2 Indoor Unit Components and Internal Structure 55 3 Control Box of the Indoor Unit 57 4 Indoor Unit Circuit Board 58 5 Fan 59 ...

Страница 57: ... 48 HWE10190 GB ...

Страница 58: ... controller 98 Secure the proper space for installation work such as piping and wiring separately Notes 1 Be sure to wire the transmission line and power line separately 2 When the room in which the unit is installed is airtight the pressure in the room may become negative This may result in problems such as the door to becoming difficult to open etc To avoid these kinds of problems please ensure ...

Страница 59: ...installation work such as piping and wiring separately Supply air duct flange 3 1 2 4 6 5 Remote controller Front air inlet 7 Minimum necessary dimension 247 9 484 444 9 33 200 200 33 118 120 Notes 1 Be sure to wire the transmission line and power line separately 2 When the room in which the unit is installed is airtight the pressure in the room may become negative This may result in problems such...

Страница 60: ... ventilate the room via some kind of small hole or vent 4 Connect by using the connecting pipes that are supplied Size on inside Size on inside 2 5 6 3 4 Size on inside 8 7 2 1 5 6 Air filter 1 2 5 6 1 Size on inside 476 56 439 606 30 12 476 110X4 440 18 20 ø4 3Holes 606 110X4 440 83 42 750 500 1000 400 580 100 875 810 740 450 220 150 112 493 994 741 70 35 10 1212 106 200X5 1000 599 106 300 195 71...

Страница 61: ...g difficult to open etc To avoid these kinds of problems please ensure that a small amount of air is able to ventilate the room via some kind of small hole or vent 8 8 Service for thermistor Service for motor pulley Service for fan pulley Service panel Secure the proper space for installation work such as piping and wiring separately 300 173 Rear air inlet duct flange 40 Rear air inlet duct flange...

Страница 62: ...ow Minimum necessary dimension Secure the proper space for Indoor unit installation work such as piping and wiring separately Notes 1 Be sure to wire the transmission line and power line separately 2 When the room in which the unit is installed is airtight the pressure in the room may become negative This may result in problems such as the door to becoming difficult to open etc To avoid these kind...

Страница 63: ...o ventilate the room via some kind of small hole or vent 4 Connect by using the connecting pipes that are supplied Size on inside Size on inside 2 5 6 3 4 Size on inside 8 7 2 1 5 6 Air filter 1 2 5 6 1 Size on inside 476 56 439 606 30 12 476 110X4 440 18 20 ø4 3Holes 606 110X4 440 83 42 750 500 1000 400 580 100 875 810 740 450 220 150 112 493 994 741 70 35 10 1212 106 200X5 1000 599 106 300 195 7...

Страница 64: ...ntake type does not have a perforated plate for air return Front panel Lower Remote controller Material Alloyed hot dip galvanized steel sheet Front panel Upper Material Hot dip galvanized steel sheet Fan Material Alloyed hot dip galvanized steel sheet Fresh air intake type only Intake duct flange Material Alloyed hot dip galvanized steel sheet Fresh air intake type does not have a perforated plat...

Страница 65: ...t rolled mild steel sheet Fan motor Material Hot dip galvanized steel sheet Fan Material Alloyed hot dip galvanized steel sheet Front panel upper Remote controller Terminal block for transmission V belt Drain pan F Material Hot dip galvanized steel sheet Control box Terminal Linear expansion valve Scroll dumper Air filter Material Alloyed hot dip galvanized steel sheet Drain pan Material Hot dip g...

Страница 66: ...minal block for remote controller TB15 Power supply transformer T Power supply terminal block TB2 Thermal overcurrent relay 51F 1 2 M1 M2 S １次側２次側１次側２次側 CN28 CND CN3A CN90 CN2M CN28 CN90 CN3A CND Terminal block for transmission line connection TB5 Terminal block for remote controller TB15 Power supply transformer T Thermal overcurrent relay 51F Power supply terminal block TB2 Auxiliary relay 52...

Страница 67: ...51 CN52 To M control remote display kit CN60 CN7V LEV output CN3A MA remote controller transmission cable CN93 Wireless remote controller transmission cable CN31 Drain sensor input Thermistor input CN20 CN21 CN29 CN22 F901 Fuse CND Power input 200VAC CNT Power output to transformer CN3T Power input to transformer CN2M Indoor system transmission cable CNP Steam hot water coil output CN28 Fan error ...

Страница 68: ...ric 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 appropriate deflection amount set the V belt so that the deflection weight W meet the values specified in Figure 6 and Table 2 2 After the V belt becomes used to the pulley after approxi mate...

Страница 69: ... IV Indoor Unit Components 60 HWE10190 GB ...

Страница 70: ... 61 HWE10190 GB V Remote Controller 1 Functions and Specifications of MA Remote Controller 63 2 Using the built in Temperature Sensor on the Remote Controller 63 ...

Страница 71: ... 62 HWE10190 GB ...

Страница 72: ... a built in temperature sensor Use the built in temperature sensor on the indoor unit instead When using the built in sensor on the remote controller install the remote controller where room temperature can be detected Functions Specifications MA remote controller 1 1 MA remote controller refers to MA remote controller PAR 21MAA Remote controller address setting Not required indoor outdoor unit ad...

Страница 73: ... V Remote Controller 64 HWE10190 GB ...

Страница 74: ... 65 HWE10190 GB VI Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Outdoor Unit 67 2 Electrical Wiring Diagram of the Indoor Unit 68 3 Electrical Wiring Diagram of Transmission Booster 72 ...

Страница 75: ... 66 HWE10190 GB ...

Страница 76: ...e 3N 50 60Hz 380 400 415V 21S4b CN501 X01 1 3 X09 3 6 CN508 black Unit address setting CN504 green CT12 C31 C33 CN5 red D1 R4 Z5 1 SV9 R631 white TH2 t C8 red CNIT yellow CNS2 t 1 1 LED1 Display setting CN51 12V Function setting SW1 10 1 CN212 CNTYP4 green F4 AC250V 6 3A T R5 F3 F1 Z4 R2 F2 3 3 2 Compressor ON OFF output Error detection output CN201 Z25 1 4 1 1 1 TH3 Z3 3 Z2 U ON OFF SW2 10 1 SWU2...

Страница 77: ...r terminal bed Transmission terminal bed Power source terminal bed Fan motor Symbol Symbol explanation TB15 51F 52F LEV1 T ZNR F TB5 TB2 M Connector Defrost output CN33 Name Symbol LEV2 Electronic linear expan valve 2 2nd digit address set Name 2 3 1 3 1 3 CN33 T 52F ZNR F X06 1 1 1 CNT CND X4 2 1 2 1 1 M CN28 3 2 1 CN20 CN21 3 2 1 X4 CN29 CN3T CN60 CN31 R B TB6 LCD TB5 Shield 2 1 1 3 51F 52F X05 ...

Страница 78: ...EV3 LEV2 LEV1 Shield N Indoor controller board No 2 3 1 1 2 3 4 5 6 SW14 SW12 SW11 Indoor Outdoor transmission line M1 S M2 2 1 CN2M CNP 1 3 CN28 1 2 X4 t t t TH21 TH22 TH23 2 1 2 1 CN21 2 1 CN20 CN29 CN3A 2 1 CN2M CNP 1 3 SW8 SW5 1 3 1 3 CN33 ZNR F X06 X05 X04 7 1 3 5 CND CN90 9 5 U 1 T CN3T 3 1 CNT 2 3 4 5 U 6 M 7 CN7V SWE t t 50 60Hz 380 400 415V 9 TH23 CN29 2 1 t M 6 5 4 3 2 1 SW4 X4 X2 52F X1...

Страница 79: ...tor Fan motor Over current relay Fan motor Connector Fan failure Switch For trial run of fan Switch For mode selection Switch For trial run Switch For four stages demand selection Switch For model selection Switch For mode selection Switch For capacity code Switch For mode selection Switch For model selection Switch Connection No set Switch 1st digit address set Thermistor Piping temp detection ga...

Страница 80: ...or Transformer Symbol explanation MA Remote controller terminal bed M R B LCD TB2 TB5 TB15 ZNR T LEV1 Contactor Fan motor 52F 51F Over current relay Fan motor CN33 Connector Defrost output Thermistor Piping temp detection gas Thermistor Piping temp detection liquid Thermistor Outdoor temp detection Switch For model selection SW7 SW1 SW14 SW12 SW11 SW4 SW5 SW8 Switch For model selection Switch Conn...

Страница 81: ...White White Blue Red Red DSA White White Blue Red Red Red Red Varistor 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 ...

Страница 82: ... 73 HWE10190 GB VII Refrigerant Circuit 1 Refrigerant Circuit Diagram 75 2 Principal Parts and Functions 78 ...

Страница 83: ... 74 HWE10190 GB ...

Страница 84: ...P350 and P400YJM A SCC HIC Circuit LEV1 SV1a 63H1 21S4a ST3 ST6 63HS1 CJ2 ST7 ACC TH4 TH2 TH3 TH7 TH6 21S4b TH5 CP1 CJ1 63LS SV5b CV1 LEV2 ST1 ST2 BV1 SV9 CP2 BV2 O S COMP SCC HIC Circuit LEV1 SV1a 63H1 ST3 ST6 63HS1 CJ2 ST7 ACC TH4 TH2 TH3 TH6 TH5 CP1 CJ1 63LS CV1 LEV2 ST1 ST2 BV1 SV9 CP2 BV2 O S COMP TH7 21S4c 21S4b SV5b SV5c 21S4a ...

Страница 85: ...erature detection Thermistor TH3 Gas pipe temperature detection Gas pipe Brazed connection Liquid pipe Brazed connection Refrigerant flow LEV Cooling Heating Thermistor TH4 Outdoor unit inlet temperature detection Heat exchanger Thermistor TH1 Room temperature Supply air temperature detection Distributor Thermistor TH2 Liquid pipe temperature detection Thermistor TH3 Gas pipe temperature detection...

Страница 86: ...rmistor TH3 No 1 Detection of heat exchanger gas pipe temperature Heat exchanger Thermistor TH1 No 1 2 Room temperature Return air temperature detection Thermistor TH3 No 2 Detection of heat exchanger gas pipe temperature Thermistor TH2 No 2 Detection of heat exchanger liquid pipe temperature Refrigerant flow Cooling Heating Gas pipe Brazed connection Liquid pipe Brazed connection ...

Страница 87: ... sensor 63HS1 1 Detects high pressure 2 Regulates 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 ...

Страница 88: ...ntrolled based on the 63LS and TH5 values TH6 Controls LEV1 based on TH2 TH3 and TH6 data THHS Inverter heat sink tem perature Protects inverter from overheating Degrees Celsius 0 C 32 F 161kΩ 10 C 50 F 97kΩ 20 C 68 F 60kΩ 25 C 77 F 48kΩ 30 C 86 F 39kΩ 40 C 104 F 25kΩ THBOX Control box in ternal tempera ture detection Sole noid valve SV1a Discharge suc tion bypass 1 High low pressure bypass at sta...

Страница 89: ...rant in the com pressor Cord heater AC240V P250 model 1511 Ω 35W P350 400 models 1176 Ω 45W Resistance check 4 way valve 21S4a Changeover between heating and cooling AC220 240V Dead cooling cycle Live heating cycle Continuity check with a tester 21S4b P250 P400 models 1 Changeover between heating and cooling 2 Controls outdoor unit heat ex changer capacity AC220 240V Dead cooling cycle Outdoor uni...

Страница 90: ...between yellow brown and blue Thermis tor TH1 Suction air temperature Indoor unit control Thermo ON OFF 0 C 32 F 15kΩ 10 C 50 F 9 7kΩ 20 C 68 F 6 4kΩ 25 C 77 F 5 3kΩ 30 C 86 F 4 3kΩ 40 C 104 F 3 1kΩ Resistance check TH2 Liquid pipe temperature 1 Indoor unit control Frost prevention Pre heating standby 2 LEV control during heat ing operation subcool detection TH3 Gas pipe temperature LEV control du...

Страница 91: ... VII Refrigerant Circuit 82 HWE10190 GB ...

Страница 92: ... 83 HWE10190 GB VIII Control 1 Functions and Factory Settings of the Dipswitches 85 2 Controlling the Outdoor Unit 92 3 Operation Flow Chart 102 ...

Страница 93: ... 84 HWE10190 GB ...

Страница 94: ...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 95: ...ter power on and when SW3 1 is on A 3 Defrost start temper ature P250 10 C 14 F 5 C 23 F Anytime after power on B B P350 P400 8 C 18 F 4 Defrost end temper ature P250 10 C 50 F 5 C 41 F Anytime after power on except during defrost op eration B B P350 P400 7 C 45 F 5 6 Temperature unit se lection Centigrade Fahrenheit Note 4 Any time after being pow ered C C 7 8 9 Model setting Outdoor standard sta...

Страница 96: ...ated 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 being energized C C 2 3 4 5 Lo...

Страница 97: ...led Enabled Set these switches to OFF when SWC is set to ON 10 Power reset Disabled Enabled SW3 1 2 Capacity code Refer to the table on the setting combination with SW2 3 Forced Thermo ON Disabled Forced Thermo ON Return air temp and preset temp are fixed 4 Fan operation during de frost cycle OFF ON 5 6 Heat dissipation 1 min heating only 3 min 5 sec regardless of the operation mode 7 Automatic LE...

Страница 98: ...6 1 2 3 4 5 1 2 3 4 5 ON OFF 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 ON OFF 1 2 3 4 5 6 ON OFF 1 2 3 4 5 6 Notes on capacity code and model settings If the capacity code or model setting has been incorrectly set e g when replacing the circuit board both the indoor and outdoor units need to be power reset P250 P500 P750 Model System Capacity SW3 2 SW3 9 SW3 10 ...

Страница 99: ... Disabled Enabled Set these switches to OFF when SWC is set to ON 10 Power reset Disabled Enabled SW3 1 Model setting Heat pump Cooling only 2 Capacity code Refer to the table on the setting combination with SW2 3 Forced Thermo ON Disabled Forced Thermo ON Return air temp and preset temp are fixed 4 Indoor unit fan operation during defrost cycle OFF ON 5 6 Heat dissipation 1 min heating only 3 min...

Страница 100: ... controller 1 MA remote controller PAR 21MAA MA remote controller does not have switches Refer to the Operation Manual for how to make the function settings Specification SW Operation Notes OFF ON Forced heating operation Fan operation when units are in trou ble SW 1 7 Forced heating op eration is disabled The fan will operate when the units are in trouble The fan will stop when the fan is in trou...

Страница 101: ...ation Refer to 12 Control at Initial Start up for the initial startup Performing startup sequence rotation does not change the basic operation of OC and OS Only startup sequence is changed Startup sequence of the outdoor units can be checked with the self diagnosis switch SW1 on the OC 3 Initial Control When the power is turned on the initial processing of the microcomputer is given top priority D...

Страница 102: ... When low pressure 63LS ex ceeds 0 38 MPa 55 psi The following conditions are met during the heating mode Compressor frequency after power on is greater than 0 The low pressure 63LS drops One or more minutes after compressor startup if the cumulative compressor operation time is one hour or less three or more minutes if the cumulative compressor operation time is one hour or more When the low pres...

Страница 103: ...e 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 called...

Страница 104: ...ual 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 The unit s that is stopped at the time defrost operation starts remains stopped 2 Defrost operation Model Outdoor unit model TH3 SW3 3 OFF SW3 3 ON 250 model 10 C 14 F 5 C 23 F 35...

Страница 105: ... 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 outdoor heat ex changer It is also performed during cooling operation to prevent an excessive amount of refrigerant from accumulating in the outdoor heat exchanger 1 During heating operation Starting refrigerant recovery mode Th...

Страница 106: ... the LEV is closed 0 in the heating mode while the compressor is stopped and during cooling Thermo OFF In a multiple outdoor unit system the LEV closes 0 during heating operation while the compressor is stopped or during cooling Thermo OFF The LEV opens to a specified position when 15 minutes have passed after Thermo OFF 65 pulses During defrost normally the valve is initially set at 0 pulse altho...

Страница 107: ...ressor on the OC starts 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 35 minutes Completed in the integrated operation time of 90 minutes The compressor on the OS starts up 1 2 1 The air conditioning load is too small for both the OC and the OS to simultaneously stay in operation 2 The air conditi...

Страница 108: ...the integrated operation time of compressor in heating mode has reached two hours When an error is detected that does not permit the unit to perform an emergency operation 2 Control at or after the completion of emergency operation At or after the completion of emergency operation the compressor stops and the error code reappears on the remote con troller If another error reset is performed at the...

Страница 109: ... capacity is not available during emergency operation The available capacity depends on the number of outdoor units in trouble Emergency operation pattern 2 outdoor units 3 Ending the emergency operation When communication is restored the emergency mode is cancelled and the units go into the normal operation mode 14 Operation Mode 1 Indoor unit operation mode The operation mode can be selected fro...

Страница 110: ...input to the indoor units When DIP SW4 4 is set to ON the 4 step DEMAND control is enabled Eight step demand control is possible in the system with two outdoor units Refer to Chapter II 3 2 7 Various types of control using input output signal connector on the outdoor unit various connec tion options for details page 22 ...

Страница 111: ...rature 6 C If SW1 7 is set to OFF the unit will not switch over to the Heating mode YES NO NO YES Fan mode Display of Fan mode Fan operation Heating operation Refer to 2 2 Display of heating mode Heating mode Indoor unit return air temp 5 C Note 4 Note 3 Prohibited Prohibit blinks on the remote controller Error stop FAN stop Remote controller display lit off Start NO NO YES YES From outdoor unit 1...

Страница 112: ...eration 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 ...

Страница 113: ...y valve OFF 1 Inverter frequency control 2 Indoor unit LEV LEV1 control LEV2 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 LEV LEV1 LEV2 rated opening 3 All solenoid valves OFF 4 Outdoor unit fan stops 5 72C OFF ...

Страница 114: ...peration 3 minute restart delay 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 LEV2 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 LE...

Страница 115: ... VIII Control 106 HWE10190 GB ...

Страница 116: ...before a Test Run 109 2 Test Run Method 110 3 Operating Characteristic and Refrigerant Amount 111 4 Adjusting the Refrigerant Amount 111 5 Refrigerant Amount Adjust Mode 114 6 The following symptoms are normal 116 7 Standard Operation Data Reference Data 117 ...

Страница 117: ... 108 HWE10190 GB ...

Страница 118: ... Do not measure the insulation resistance of the terminal block for transmission line for the unit 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 sequence and the voltage of the power supply 5 When a transmission booster is connected Turn on the transmission booster before turning on the outdoor units If the outdoo...

Страница 119: ...g out Switch to cooling or heating operation by pressing the Operation Mode button Press the Fan Speed button Change the air flow direction by pressing the Ventilation button or the Louver button Confirm the operation of outdoor unit fan Confirm the operation of all interlocked equipment such as ventilation equipment Note 1 Refer to the following pages if an error code appears on the remote contro...

Страница 120: ...e 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 either cooling only or heating only mode and check such items as discharge temperature subcool ing low pressure suction temperat...

Страница 121: ...t of pre charged refrigerant in the outdoor unit kg 8 0 11 5 11 5 Amount of pre charged refrigerant in the outdoor unit lbs oz 17 10 25 6 25 6 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 of ø12 ...

Страница 122: ...re liquid pipes 15 88 30 m 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 24kg Amount of refrigerant to be charged 11 3kg All the pipes in the figure are liquid pipes 3 4 98 ft 98 ft 3 8 9 ft 3 ft 12 ft According to t...

Страница 123: ...quate 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 ina...

Страница 124: ...ressure side Keep the unit running for 5 minutes after adjusting the refrigerant amount to determine its adequacy Keep the unit running for 5 minutes after adjusting the refrigerant amount to determine its adequacy Turn off SW4 3 on the OC Turn on SW4 3 on the OC Adjustment complete Note 4 Has the initial start up mode been completed Gradually add refrigerant from the service port on the low press...

Страница 125: ...the pipe temperature reaches 35 C 95 F then it operates at low speed for 2 minutes and finally it operates at the set speed Pre heating stand by When the main power is turned on the display shown on the right appears on the in door unit remote controller for 5 minutes PLEASE WAIT icon blinks on the display The system is starting up Wait until the blinking display of PLEASE WAIT goes off Indoor uni...

Страница 126: ... 11 5 25 6 11 5 25 6 Outdoor unit Electric current A 12 3 11 9 Voltage V 400 400 Compressor frequency Hz 65 65 LEV open ing Indoor unit Pulse 387 770 SC LEV1 100 120 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 3 11 0 86 451 125 3 31 1 00 480 145 Temp of each sec tion Outdoor unit Discharge TH4 C F 85 185 85 185 Heatexchangeroutlet TH3 44 111 43 109 Accum...

Страница 127: ...11 5 25 6 Outdoor unit Electric current A 12 5 13 5 Voltage V 400 400 Compressor frequency Hz 71 71 LEV open ing Indoor unit Pulse 406 708 SC LEV1 0 0 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 2 85 0 61 413 88 2 65 0 58 384 84 Temp of each sec tion Outdoor unit Discharge TH4 C F 82 180 75 167 Heatexchangeroutlet TH3 0 32 2 36 Accumulator inlet 2 28 0 3...

Страница 128: ...nit Electric current A 26 7 Voltage V 400 Compressor frequency Hz 65 65 LEV open ing Indoor unit Pulse 387 SC LEV1 100 100 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 3 11 0 86 451 125 3 11 0 86 451 125 Temp of each sec tion Outdoor unit Discharge TH4 C F 85 185 85 185 Heat exchanger out let TH3 47 117 47 117 Accumulator inlet 7 45 7 45 Accumulator outle...

Страница 129: ... 23 8 Voltage V 400 Compressor frequency Hz 65 65 LEV open ing Indoor unit Pulse 623 SC LEV1 120 120 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 3 31 1 00 480 145 3 31 1 00 480 145 Temp of each sec tion Outdoor unit Discharge TH4 C F 85 185 85 185 Heat exchanger out let TH3 43 109 43 109 Accumulator inlet 13 55 13 55 Accumulator outlet 13 55 13 55 SCC ou...

Страница 130: ... A 40 2 Voltage V 400 Compressor frequency Hz 96 96 LEV open ing Indoor unit Pulse 387 SC LEV1 190 190 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 3 05 0 84 442 122 3 05 0 84 442 122 Temp of each sec tion Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger out let TH3 45 113 45 113 Accumulator inlet 7 45 7 45 Accumulator outlet 7 45 7 45 SCC outl...

Страница 131: ...A 37 8 Voltage V 400 Compressor frequency Hz 96 96 LEV open ing Indoor unit Pulse 675 SC LEV1 100 100 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 3 44 0 99 480 15 3 44 0 99 480 15 Temp of each sec tion Outdoor unit Discharge TH4 C F 90 185 90 185 Heat exchanger out let TH3 45 109 45 109 Accumulator inlet 13 55 13 55 Accumulator outlet 13 55 13 55 SCC out...

Страница 132: ...utdoor unit Electric current A 27 1 Voltage V 400 Compressor frequency Hz 71 71 LEV open ing Indoor unit Pulse 406 SC LEV1 0 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 2 81 0 66 408 96 2 81 0 66 408 96 Temp of each sec tion Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger out let TH3 0 32 0 32 Accumulator inlet 2 28 2 28 Accumulator outlet 2 ...

Страница 133: ...nit Electric current A 27 0 Voltage V 400 Compressor frequency Hz 71 71 LEV open ing Indoor unit Pulse 708 SC LEV1 0 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 2 65 0 58 384 84 2 65 0 58 384 84 Temp of each sec tion Outdoor unit Discharge TH4 C F 75 167 75 167 Heat exchanger out let TH3 2 36 2 36 Accumulator inlet 0 32 0 32 Accumulator outlet 0 32 0 32 ...

Страница 134: ... Electric current A 40 8 Voltage V 400 Compressor frequency Hz 101 101 LEV open ing Indoor unit Pulse 406 SC LEV1 0 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 2 90 0 62 421 90 2 90 0 62 421 90 Temp of each sec tion Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger out let TH3 1 30 1 30 Accumulator inlet 3 26 3 26 Accumulator outlet 3 26 3 26 C...

Страница 135: ...t Electric current A 41 7 Voltage V 400 Compressor frequency Hz 101 101 LEV open ing Indoor unit Pulse 708 SC LEV1 0 LEV2 2100 2100 Pressure High pressure after O S Low pressure before accumulator MPa psi 2 73 0 54 384 84 2 73 0 54 384 84 Temp of each sec tion Outdoor unit Discharge TH4 C F 75 167 75 167 Heat exchanger out let TH3 1 35 1 35 Accumulator inlet 1 32 1 32 Accumulator outlet 1 32 1 32 ...

Страница 136: ...ing to Error Display on the Remote Controller 132 3 Investigation of Transmission Wave Shape Noise 189 4 Troubleshooting Principal Parts 192 5 Refrigerant Leak 211 6 Compressor Replacement Instructions 213 7 Troubleshooting Using the Outdoor Unit LED Error Display 215 ...

Страница 137: ... 128 HWE10190 GB ...

Страница 138: ...bnormal 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 error O 104 Short circuited IPM Ground fault O 105 Overcurrent error due to short circuited motor O 106 Instantaneous overcurrent O 107 Overcurrent O 4260 Heatsink overheat protec...

Страница 139: ...error O 6600 Address overlap O O O O 6601 Polarity setting error O 6602 Transmission processor hardware error O O O O 6603 Transmission line bus busy error O O O O 6606 Communication error between device and trans mission processors O O O O 6607 No ACK error O O O O 6608 No response error O O O O 6831 MA controller signal reception error No signal re ception O O 6832 MA remote controller signal tr...

Страница 140: ...ter system Code 4230 Heatsink overheat protection in the compressor inverter system 7111 Remote controller sensor fault O O 7113 Function setting error O 7117 Model setting error O 7130 Incompatible unit combination O The last digit Inverter system 0 or 1 Compressor inverter system 5 Fan inverter system Error Code Prelimi nary error code Error prelim inary detail code Error code definition Searche...

Страница 141: ...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 142: ... 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 111 2 Overload operation Check operating conditions and operation status of indoor outdoor units 3 LEV failure on the indoor un...

Страница 143: ... 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 193 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 144: ... Perform a cooling or heating operation to check the oper ation Cooling Indoor unit LEV2 Heating Indoor unit LEV Refer to the section on troubleshooting the LEV page 196 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 Re...

Страница 145: ...nit 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 192 2 Pressure sensor failure 3 Shorted circu...

Страница 146: ... is canceled if the units stop during error stop The error display needs to be canceled by setting the remote controller 3 Cause check method and remedy Check the following factors if an error is detected without drop in the outdoor temperature Reference 3121 Cause Check method and remedy 1 Thermistor failure Check thermistor resistance 2 Pinched lead wire Check for pinched lead wire 3 Torn wire c...

Страница 147: ...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 148: ... 4 Check method and remedy Check the items in X 4 7 2 Troubleshooting transmission power circuit of outdoor unit on all outdoor units in the same refrigerant circuit page 210 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 o...

Страница 149: ...alfunction with the test switch being left to ON 2 Blown fuse F1 Check for blown or loose fuses 3 Auxiliary relay X4 fault Loose lead wire broken wire miswiring Coil fault contact failure 4 Broken wire Check for broken wires 5 Loose connector Check the connectors for proper contact 6 Indoor unit control board I B fault If the above items are all normal and the problem persists circuit board failur...

Страница 150: ... 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 151: ...der part 4 Troubleshooting Principal Parts for error codes related to the inverter page 202 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 Troubleshooting...

Страница 152: ...ains at or above 105 C 221 F is detected 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 202 4220 4225 4230 Cause Check method and remedy 1 Fan board failure Refer to X 4 6 2 6 page 205 2 Outdoor unit fan failure Check the outdoor unit fan operation If any problem is found with the fan operation c...

Страница 153: ...5 Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 202 4240 Model Imax Arms P250 model 19 P350 and P400 models 27 Cause Check method and remedy 1 Blocked air passage Check the heatsink cooling air passage for obstructions 2 Power supply environment Check that the power supply voltage is 342V or above 3 Inverter fault Refer to X 4...

Страница 154: ...thod 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 Troubleshooting Principal Parts for error codes related to the inverter page 202 4250 Cause Check method and remedy 1 Inverter output related problems Refer to X 4 6 2 1 4 page 20...

Страница 155: ... Parts for error codes related to the inverter page 202 1 Error Code Heatsink overheat protection at startup 2 Error definition and error detection method The heatsink temperature THHS remains at or above 105 C 221 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 p...

Страница 156: ...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 check method and remedy 5101 5102 5103 5104 Cause Check method and remedy 1 Thermistor failure Check the thermistor resistor...

Страница 157: ... 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 158: ...Pa 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 che...

Страница 159: ...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 Troubleshooting Principal Parts for error codes related to the inverter page 202 5301 Cause Check method and remedy 1 Inverter open output phase Check the output wiring connecti...

Страница 160: ...fore startup Detection of improperly mounted ACCT sensor 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 202 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 boa...

Страница 161: ...atile 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 is detected when the built in clock on the remote controller is not properly functioning 3 Cause check method and remedy 1 Remote controller failure Replace ...

Страница 162: ...nit 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 outdoor units indoor units and LOSSNAY units keep them all turned off for at least five minutes and turn them back on When air conditioning units are operating normally despite the addres...

Страница 163: ...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 198 264V Check the transmission line work...

Страница 164: ... 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 Check the transmission wave shape and noise on the transmission line See the section Investigation of Transmission ...

Страница 165: ...ler RC MA 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 con...

Страница 166: ...ources 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 When...

Страница 167: ...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 co...

Страница 168: ...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 connec...

Страница 169: ...er 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 definiti...

Страница 170: ... 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 7105 ...

Страница 171: ...er 3 ME 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 error...

Страница 172: ...ith SC 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 ME remote controller the in door unit is keeping the mem ory of the previous address 1 Address deletion by ME remote controller Delete unnecessary...

Страница 173: ... 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 174: ...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 175: ...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 176: ...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 177: ...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 178: ... 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 Qj capacity code 2 The model selection switches SW5 1 5 4 on the outdoor unit are set incorrectly Check the setting for the model selection switch on the outdoor unit Dipswitches SW5 1 5 4 on...

Страница 179: ...ss 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 model selection switches SW5 1 5...

Страница 180: ...e 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 ME remote controller Nothing appears on the remote controller be cause it is not powered MA remote controller HO or PLEASE WAIT blinks 4 The model selection switch SW5 7 on the out door unit is...

Страница 181: ...by 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 selectio...

Страница 182: ...nnector CNTYP4 on the control board for proper connection 4 Check the settings of SW5 1 through SW5 4 on the control board Detail code 16 1 Check the connector CNTYP on the INV board for proper connection 2 Check the connector CNTYP5 on the control board for proper connection 3 Check the connector CNTYP4 on the control board for proper connection 4 Check the settings of SW5 1 through SW5 4 on the ...

Страница 183: ...or proper connection 2 Check the connector CNTYP5 on the control board for proper connection 3 Check the connector CNTYP4 on the control board for proper connection 4 Check the wiring between the control board and INV board Refer to the section on Error code 0403 page 132 Detail code 00 01 05 1 Check the wiring between the control board and INV board Refer to the section on Error code 0403 page 13...

Страница 184: ...ource Cause Check method and remedy Outdoor unit The connected indoor unit is for use with R22 or R407C Incorrect type of indoor units are connected The M NET connection adapter is connected to the indoor unit system in a system in which the Slim Model A control of units are con nected to the M NET Check the connected indoor unit model Check whether the connecting adapter for M NET is not connecte...

Страница 185: ...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 186: ...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 2 Check method and rem...

Страница 187: ...ted 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 terminal block TB15 for the MA remo...

Страница 188: ... the indoor unit on which LED2 is lit All the indoor unit power failure All the indoor unit power failure Error display Error 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 s...

Страница 189: ...ected line to the terminal block The indoor transmission line is connected incorrectly to the transmission terminal block for centralized controller TB7 4 Disconnected transmission line on the remote controller 5 Remote controller failure 6 Outdoor unit failure Refer to X 7 Troubleshooting Using the Outdoor Unit LED Error Display page 215 2 Check method and remedy 1 Check voltage of the transmissi...

Страница 190: ...ndoor unit control board Is it lit When it is lit When it is off or cannot be checked Check for the change of LED display by operating dip switch SW1 for self diagnosis Check voltage of the power supply terminal on the indoor unit AC220V Check the fuse on the circuit board Melted Check 200V circuit for short circuit and ground fault Check the connection of the connector Check the main power of the...

Страница 191: ... the outdoor unit 3 The male power supply connector is connected to CN40 on more than one outdoor unit or the connector is connected to CN40 on the outdoor unit in the system to which a power supply unit for transmission line is connected Using MELANS 1 When MELANS is used PLEASE WAIT display on the remote controller will disappear when the indoor unit and the local remote controller ME remote con...

Страница 192: ...re grouped 6 The power of the outdoor unit to be confirmed has been cut off 5 Check the power supply of the outdoor unit which is coupled with the unit to be confirmed 7 Transmission line is disconnected from the terminal block for central control system connection TB7 on the outdoor unit 6 Check that the transmission line for centralized control TB7 of the outdoor unit is not disconnect ed 8 When...

Страница 193: ... causes insufficient 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 133 At high pressure Refer to 1302 page 135 2 Indoor unit LEV malfunction Refer to the page of LEV troubleshooting 4 5 page 196 Insufficient refrigerant flows due to LE...

Страница 194: ...tly 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 temp...

Страница 195: ...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 196: ...th Change 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 t...

Страница 197: ... 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 198: ...ded 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 199: ...ssion 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 ...

Страница 200: ...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 201: ...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 202: ...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 203: ...ults 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 21S4c 4 way switching valve Applicable to the P350 and P400 models only About this 4 wa...

Страница 204: ...und If this is the case the temperature before and after SV5b or SV5c 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 t...

Страница 205: ...he connector on the control board differ Check the color of the lead wire to judge the number Control board Drive circuit LEV M 5 5 2 2 1 1 3 3 4 4 6 6 DC12V Red Intermediate connector Brown Blue Orange Yellow White Red Orange White Brown Blue Yellow 6 5 4 4 3 2 1 3 2 1 4 3 2 1 ø4 ø3 ø2 ø1 ø4 ø3 ø2 ø1 Control board Drive circuit LEV M 5 2 1 3 4 6 DC12V Brown Blue Orange Yellow White Orange White B...

Страница 206: ...e valve operates smoothly no sound from LEV or no vibration occurs however when the pulses change from E to A in the chart or the valve is locked a big sound occurs Whether a sound is generated or not can be determined by holding a screwdriver against it then placing your ear against the handle 1 The LEV opening may become greater depending on the operation status Valve opening refrigerant flow ra...

Страница 207: ...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 208: ...te red orange red yellow red blue with a tester When the resistance is in the range of 150 Ω 10 the LEV is normal Replace the LEV coils Indoor Outdoor LEV2 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...

Страница 209: ...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 210: ...s re moved pull up and out the coil When removing the coil hold the LEV body securely to prevent undue force from being placed on the pipe and bending the pipe 3 Installing the coil Securely hold the bottom of the LEV section A in the figure insert the coil from above and turn the coil until the coil stopper is properly installed on the LEV body When removing the coil hold the LEV body securely to...

Страница 211: ...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 212: ...or is in operation page 205 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 213: ...11 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 frigerant in the compressor If there is...

Страница 214: ...k the crankcase heater just to make sure there is no problem with it d After the reboot check if there is sufficient pressure difference between high and low pressure Check on LED monitor if the high pressure changes If it does not replace the com pressor The compressor may be locked 2 After the inverter output voltage be came stable an imbalance stated below is seen between each wires Greater tha...

Страница 215: ...dures for individual components of main inverter circuit page 207 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 216: ...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 217: ... SC 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 U SC V SC W Red SC P2 5 200 ohm 5 200 ohm 5 200 ohm FT N SC U 5 200 ohm SC V 5 200 ohm SC W 5 200 ohm SC U SC W SC V FT N SC P1 SC P2 SC L1 SC L2 SC L3 ...

Страница 218: ...k for transmission line connection DC 17 30 V AC 380 415V Terminal block for power source TB1 Noise filter 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 18VPowersupply 12V Po...

Страница 219: ...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 220: ...n use the self diagnosis switch SW1 on the outdoor unit control board 1 When Tc TH6 is 10 C 18 F or more See the next item 3 2 When 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 u...

Страница 221: ...ice valves BV1 and BV2 4 Collect the refrigerant that remains inside the indoor unit Do not discharge refrigerant into air into the atmosphere when it is collected 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...

Страница 222: ... 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 223: ...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 Crankcase heater Compressor covers right and left The inside of the compressor cover is lined with sound insulation materi...

Страница 224: ... disconnected 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 ...

Страница 225: ... X Troubleshooting 216 HWE10190 GB ...

Страница 226: ... 217 HWE10190 GB XI LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 219 ...

Страница 227: ... 218 HWE10190 GB ...

Страница 228: ...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 229: ...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 230: ...9999 Address and error codes highlighted B If no errors are detected appears on the dis play 3 1100000000 Relay out put dis play 2 Top 21S4a CH11 SV1a A A Bottom 21S4b SV5b 4 0010000000 Relay out put dis play 3 Top SV5c 21S4c 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 Communica tion error be...

Страница 231: ...m 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 mode Top Unit No 1 Unit No ...

Страница 232: ...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 1001010000 42 0101010000 O...

Страница 233: ...he unit is C 57 1001110000 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 Unit A B 1 Remarks 1234567890 LD1 LD...

Страница 234: ... 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 COMP operating fre quency 0000 to 9999 A A The unit is rps Output frequency of the inverter depends on the type of compressor and equals the integer multi ples x1 x2 etc of the operating frequency of the compressor 92 0011101000 93 1011101000 All A...

Страница 235: ... A Outdoor LEV opening Fully open 3000 105 1001011000 106 0101011000 107 1101011000 108 0011011000 109 1011011000 110 0111011000 111 1111011000 COMP bus voltage 00 0 to 999 9 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 B Current data No SW1 Item Display Unit A B 1 R...

Страница 236: ...op events Upper 4 digits 0000 to 9999 A A Count up at start up The unit is Time 124 0011111000 COMP number of start stop 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 ...

Страница 237: ...0001100100 153 1001100100 154 0101100100 155 1101100100 156 0011100100 157 1011100100 158 0111100100 159 1111100100 160 0000010100 161 1000010100 162 0100010100 163 1100010100 164 0010010100 165 1010010100 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 ...

Страница 238: ...0011010100 173 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 0000002115 book 229 ページ２０１１年６月４日土曜日午前１０時４８分 ...

Страница 239: ...nverter 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 details of inverter 0001 ...

Страница 240: ...001100 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 21S4a CH11 SV1a A A Botto...

Страница 241: ...nit is C 228 0010011100 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 Data before error No SW1 Item Display Unit A B 1 Remarks 1...

Страница 242: ... 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 COMP operating fre quency 0000 to 9999 A A The unit is rps 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 que...

Страница 243: ...100010 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 Data before error No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 ...

Страница 244: ... 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 Data before error 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...

Страница 245: ...010 306 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 is displayed individually B T...

Страница 246: ...010 340 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 system is displayed 00000...

Страница 247: ...o 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 IC13 Address capacity code ...

Страница 248: ...0 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 capacity code 0000 to ...

Страница 249: ...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 SW1 Item Display Unit A ...

Страница 250: ...001010110 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 temperature 99 9 to 999 9 431 1111010110 IC24 Suction...

Страница 251: ... 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 Suction temperature 99...

Страница 252: ...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 temperature 99 9 to 999 ...

Страница 253: ...emperature 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 1101111110 IC50 Liquid ...

Страница 254: ...01 RC address Count up display of number of connected units B 515 1100000001 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 1001000001 522 0101000001 1 A The condition of either OC or OS...

Страница 255: ...emperature 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 IC18 Gas pipe temperature 99 9 to 999 9 541 1011100001 IC19 Gas pipe temperature 99 9...

Страница 256: ...pe 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 IC44 Gas pipe temperature ...

Страница 257: ...1SH 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 9 594 0100101001 IC22SH ...

Страница 258: ... 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 9 622 0111011001 IC50SH 99 ...

Страница 259: ...1SC 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 9 644 0010000101 IC22SC ...

Страница 260: ...0100101 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 9 to 999 9 673 1000010...

Страница 261: ...ion 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 0000002115 book 252 ページ２０１１年６月４日土曜日午前１０時４８分 ...

Страница 262: ...ion 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 to 31 Year and month an...

Страница 263: ... 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 to 99 12 1 to 31 Year ...

Страница 264: ...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 LEV opening 0000 to 9999...

Страница 265: ...00111101 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 LEV opening 0000 to 9999 7...

Страница 266: ...C19 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 1001100011 IC30 Operation m...

Страница 267: ... 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 filter 0000 to 9999 821 101...

Страница 268: ... 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 0000101011 IC35 filter 0000 to...

Страница 269: ... 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 OS is displayed individua...

Страница 270: ...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 counter 0 to 254 A A The unit...

Страница 271: ...0 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 entire refrigerant syste...

Страница 272: ......

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