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Mitsubishi Electric PUHY-RP200, Service Handbook, Page: 223 / 306

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Mitsubishi Electric PUHY-RP200 Service Handbook Download Page 223

[ 

IX 

 Troubleshooting ]

- 214 -

HWE10130

GB

In case of ME remote controller

3. Phenomena

"HO" display on the remote controller does not disappear, and no operation is performed even if the button is pressed.

(1) Cause
Without using MELANS

1)   Outdoor unit address is set to "00"
2)   A wrong address is set.

Œ

The address of the indoor unit that is connected to the remote controller is incorrect. (It should equal the ME remote controller 

address plus 100.)

Œ

A wrong address is set to the ME remote controller. (100 must be added to the address of the indoor unit.)

3)   Faulty wiring of the terminal block for transmission line (TB5) of the indoor unit in the same group with the remote controller.
4)   The centralized control switch (SW2-1) on the outdoor unit is set to ON.
5)   Disconnection or faulty wiring of indoor unit transmission line.
6)   Disconnection between the terminal block for M-NET line connection (TB5) of the indoor unit and the male connector (CN2M)
7)   The male power supply connectors on 2 or more outdoor units are connected to the female power supply switch connector 

(CN40) for the transmission line for centralized control.

8)   Outdoor unit control board failure
9)   Outdoor unit control board failure
10)  Remote controller failure

Interlocking control with MELANS

1)   No group registration is made using MELANS. (The indoor unit and the ME remote controller are not grouped.)
2)   Disconnected transmission line for centralized control (TB7) of 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, "HO" display on the remote controller will disappear when the indoor unit and the local remote con-

troller (ME remote controller) are grouped.
If "HO" does not disappear after the registration, check the causes (2) 1) - 3).

(2)  Check method and remedy

YES 

YES 

YES 

YES 

YES 

YES 

YES 

NO 

NO 

*1 

*1. When the indoor unit address is set to 1 - 50, the address will be forcibly set to 100. 

NO 

NO 

NO 

NO 

NO 

Without using MELANS 

Are all the units in the system  
experiencing the same problem? 

Check the address of 
 the outdoor unit. 

51 - 100? 

Check the centralized centralized 
switch (SW2-1) on the outdoor unit. 

ON? 

Indoor unit control board failure 

A wrong address is  
set to the outdoor unit. 

Wrong switch setting  
Change it from  
ON to OFF. 

A wrong address is 
set to the ME 
remote controller.

A wrong address is  
set to the indoor unit. 

Wrong wiring of the  
M-NET transmission  
line of the indoor unit 

Disconnected  
connector (CN2M) 

Correct  
the error. 

Disconnected? 

17 - 30V? 

ME remote controller

- 100?

Check the address of the  
indoor unit to be coupled. 

Indoor unit + 100? 

Check the address of the ME remote controller 
on which "HO" is displayed.

Check connection between indoor M-NET  
transmission terminal block (TB5) and the  
male connector (CN2M) 

Measure voltages of the terminal  
block for M-NET transmission line  
on the indoor unit. 

Indoor unit board or  
remote controller failure 

 

Summary of Contents for PUHY-RP200

Page 1: ...Service Handbook Service Handbook Service Handbook PUHY RP200 RP250 RP300 RP350YJM B PUHY RP400 RP450 RP500 RP550 RP600 RP650YSJM B PUHY RP700 RP750 RP800 RP850 RP900YSJM B Model 2011 AIR CONDITIONER ...

Page 2: ...the weight of the unit Unit installed 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 insta...

Page 3: ...er leakage electric shock and or fire After completing the service work check for a gas leak If leaked refrigerant is exposed to a heat source such as a fan heater stove or 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 the use ...

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

Page 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...

Page 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...

Page 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...

Page 8: ...rollers 67 2 Group Settings and Interlock Settings via the ME Remote Controller 68 3 Interlock Settings via the MA Remote Controller 72 4 Using the built in Temperature Sensor on the Remote Controller 73 V Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Outdoor Unit 77 2 Electrical Wiring Diagram of Transmission Booster 78 VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 81 2 Prin...

Page 9: ...HWE10130 GB ...

Page 10: ...s 4 3 Storage of Piping 5 4 Pipe Processing 5 5 Brazing 6 6 Air Tightness Test 7 7 Vacuum Drying Evacuation 8 8 Refrigerant Charging 9 9 Remedies to be taken in case of a Refrigerant Leak 9 10 Characteristics of the Conventional and the New Refrigerants 10 11 Notes on Refrigerating Machine Oil 11 ...

Page 11: ... 2 ...

Page 12: ... of the connecting pipes Verify the type of refrigerant used for the unit to be moved or replaced Use refrigerant piping made of phosphorus deoxidized copper Keep the inner and outer surfaces of the new pipes and the end of the existing pipes clean and free of such contaminants as sulfur oxides dust dirt shaving particles oil and moisture These types of contaminants inside the refrigerant pipes ma...

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

Page 14: ...efore brazing Keep elbows and T joints wrapped in plastic bags to keep dust dirt and moisture out The new refrigerant oil is more than ten times as hygroscopic as the conventional refrigerant oil such as Suniso and is more likely to introduce moisture into the system To prevent the deterioration of refrigerant oil and resultant compressor failure store piping materials with special care to keep mo...

Page 15: ...per pipe and copper coupling If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends 2 Reasons Refrigerant oil for use with R410A is more than ten times as hygroscopic as the conventional refrigerant oil and is more likely to introduce moisture into the system requiring special care in handling to prevent malfunctions Do not use flux which usuall...

Page 16: ... measuring pressure 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 be...

Page 17: ...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...

Page 18: ...ge 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 9 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 th...

Page 19: ...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...

Page 20: ...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 ...

Page 21: ... 12 I Read Before Servicing GB HWE10130 ...

Page 22: ...Address Settings 22 4 Sample System Connection 29 5 An Example of a System to which an MA Remote Controller is connected 30 6 An Example of a System to which an ME Remote Controller is connected 40 7 An Example of a System to which both MA Remote Controller and ME Remote Controller are connected 42 8 Restrictions on Pipe Length 44 ...

Page 23: ... 14 ...

Page 24: ...e rated capacity when they are operated simultaneously Select a combination of units so that the total capacity of the connected indoor units is at or below the capacity of the outdoor unit whenever possible Outdoor units Composing units Maximum total capacity of connectable indoor units Maximum number of connectable in door units Types of connectable in door units 200 100 260 17 P15 P250 models R...

Page 25: ...er and ME Remote Controller are connected before performing wiring work Types and maximum allowable length of cables Control lines are categorized into 2 types transmission line and remote controller line Use the appropriate type of cables and observe the maximum allowable length specified for a given system If a given system has a long transmission line or if a noise source is located near the un...

Page 26: ...ndling 4 When connected to the terminal block on the Simple remote controller use cables that meet the cable size specifi cations shown in the parenthesis MA remote controller 1 ME remote controller 2 Cable type Type CVV CVV Number of cores 2 core cable 2 core cable Cable size 0 3 to 1 25mm2 3 AWG22 to 16 0 75 to 1 25mm2 4 AWG18 to 16 0 3 to 1 25mm2 3 AWG22 to 16 0 75 to 1 25mm2 4 AWG18 to 16 Maxi...

Page 27: ...r of cores 4 Cable type shielded unshielded 7 Noise related problems with the old units Existing transmission lines reusability checklist Obtain the system configuration drawing fill out the checklist and make a decision based on them Use the flowcharts on the following pages to determine the reusability of the existing transmission lines 1 If the remote controller ME System controller length exce...

Page 28: ...cable for exceeding length Make wiring length less than 200m Is the shielded wiring used Is the shielded wiring used Is the shielded wiring used Go to Reusability of Transmission line Go to Reusability of Transmission line Go to Reusability of Transmission line shielded wire Ａ Ｂ Ｓ Ａ Ｂ Ｓ Figure A Non using wiring Side Close to power supply unit Outdoor unit Power supply unit Non using wiring on the...

Page 29: ...reusability check the number of indoor units farthest length of transmission line and read the applicable diameter from diagram B Handle the wiring that are not used as shown in figure A Farthest transmission line for centralized control system must be less than 500m Is the farthest transmission line of centralized control system less than 500m Does the diameter of the transmission line match the ...

Page 30: ... Length of transmission line to the farthest unit m 0 75mm2 0 5mm2 MA remote controller Diagram B Checking the cable size 0 3mm2 1 25mm2 M NET remote controller Number of indoor units Length of transmission line to the farthest unit m 0 5mm2 0 75mm2 0 3mm2 1 25mm2 0 50 100 150 200 0 5 10 15 20 ...

Page 31: ...2 The outdoor units in the same refrigerant circuit are automatically designated as OC OS1 and OS2 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 3 Turn off the power to all the outdoor units in the same refrigerant circuit Units on which to set the switches Symbol Units to which the power must be shut off CITY M...

Page 32: ... Assign an arbitrary but unique address to each of these units after assigning an address to all indoor units 00 ME remote con troller Main remote controller 101 to 150 Add 100 to the smallest address of all the indoor units in the same group 101 Sub remote controller 151 to 200 2 Add 150 to the smallest address of all the indoor units in the same group MA remote controller No address settings req...

Page 33: ... off by the plug individually All the units in the same refrigerant cir cuits will be turned on or off by the plug 4 Requires that the dipswitch settings for all the units in the group be made 5 To control the external input to and output from the air conditioners with the PLC software for general equipment via the G B 50A set SW1 9 and SW1 10 to ON With these settings made the power start stop fu...

Page 34: ... 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 shown below 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 for each refrigerant system Low noise mode level 3 4 3 Low noise mode is v...

Page 35: ...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...

Page 36: ...and 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 When SW4 4 is set to ON on all outdoor units the following ...

Page 37: ... 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 12 step demand No 2 CN3D 1 2P Open 1 3P Open Short circuit No 3 CN3D 1 2P Open Short circuit Open Short circuit No 1 CN3D 1 2P 1 3P Open Short circuit Open Short circuit Open Short circuit Open Short circuit Open O...

Page 38: ...th one out door unit NO Manual address setup Connection of multiple LOSS NAY units 3 Grouping of units in a system with multiple outdoor units NO Manual address setup 4 System with one out door unit With connection to transmission line for centralized control Manual address setup 5 System with one out door unit With connection to indoor outdoor transmission line Manual address setup System configu...

Page 39: ...or units in the same system refer to 5 2 An example of a sys tem with one outdoor unit to which 2 or more LOSSNAY units are connected page 32 3 Maximum allowable length 1 Indoor outdoor transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 200m 656ft L1 L2 L11 L12 L13 200m 656ft 2 Transmission line for centralized control No connection is required 3 MA remote controller wiring Max...

Page 40: ...inal block TB15 on the in door unit on one end to the terminal block on the MA re mote controller Non polarized two wire When performing a group operation of indoor units that have different functions Automatic indoor outdoor ad dress setup is not available 4 LOSSNAY connection Connect terminals M1 and M2 on the terminal block TB5 on the indoor unit IC to the appropriate terminals on the terminal ...

Page 41: ...ts of the 200 model or above is connected are con nected 3 Maximum allowable length 1 Indoor outdoor transmission line Same as 5 1 2 Transmission line for centralized control No connection is required 3 MA remote controller wiring Same as 5 1 L2 TB3 51 52 TB7 S TB3 TB7 S IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 02 A B MA A B MA LC TB5 S 05 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 04 03 LC TB5 S 06 A B MA...

Page 42: ...all if two or more units have the same capacity in the order of address from small to large Proce dures Unit or controller Address setting range Setting method Notes Factory setting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest ad dress to the main unit in the group To perform a group opera tion of indoor units that have different functions designate the indoor unit in the group with the...

Page 43: ...arger L11 L12 200m 656ft L21 L22 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remote controller wiring Same as 5 1 4 Maximum line distance via outdoor unit 1 25mm2 AWG16 or larger L12 L31 L22 500m 1640ft L11 L31 L21 500m 1640ft IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 03 A B MA A B MA LC TB5 S 07 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 1 2 04 02 IC TB5 TB15 S 05 A B MA ...

Page 44: ...tion Same as 5 2 5 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 OS1 and OS2 The outdoor units are designated as OC OS1 and OS2 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 Proce dures Unit or c...

Page 45: ...ission line Same as 5 3 2 Transmission line for centralized control L31 L32 L21 200m 656ft 3 MA remote controller wiring Same as 5 1 4 Maximum line distance via outdoor unit 1 25mm2 AWG16 or larger L32 L31 L12 L11 500m 1640ft L32 L22 L21 500m 1640ft L12 L11 L31 L22 L21 500m 1640ft IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 02 A B MA A B MA LC TB5 S 07 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 05 04 LC TB5 S...

Page 46: ...units must be interlocked with the LOSSNAY unit using the system controller Refer to the operation man ual for the system controller for the setting method In terlock setting from the remote controller is required if the ON OFF remote controller alone or the LM adapter alone is connected 5 Switch setting Address setting is required as follows 5 Address setting method The outdoor units in the same ...

Page 47: ...e 3 Maximum allowable length 1 Indoor outdoor transmission line Maximum distance 1 25mm2 AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft L25 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remote controller wiring Same as 5 1 4 Maximum line distance via outdoor unit 1 25mm2 AWG16 or larger L25 L31 L12 L11 500m 1640ft L12 L11 L31 L22 L21 500m 1640ft L25 L22 L21 ...

Page 48: ... Connect terminals M1 and M2 on the terminal block TB5 on the indoor units IC to the appropriate termi nals on the terminal block for indoor outdoor transmis sion line TB5 on LOSSNAY LC Non polarized two wire Indoor units must be interlocked with the LOSSNAY unit using the system controller Refer to the operation man ual for the system controller for the setting method In terlock setting from the ...

Page 49: ...able must be extended use a cable with a diameter of 1 25mm2 AWG16 The section of the cable that exceeds 10m 32ft must be included in the maximum indoor outdoor transmission line distance described in 1 When connected to the terminal block on the Simple re mote controller use cables that meet the following cable size specifications 0 75 1 25 mm2 AWG18 14 4 Maximum line distance via outdoor unit 1 ...

Page 50: ...g range Setting method Notes Factory setting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest ad dress to the main unit in the group To perform a group operation of indoor units that have differ ent functions desig nate the indoor unit in the group with the greatest number of functions as the main unit 00 Sub unit Assign sequential num bers starting with the ad dress of the main unit in the...

Page 51: ...nected 11 When a power supply unit is connected to the transmis sion line for centralized control leave the power jumper connector on CN41 as it is factory setting 3 Maximum allowable length 1 Indoor outdoor transmission line Same as 5 3 2 Transmission line for centralized control Same as 5 4 3 MA remote controller wiring Same as 5 1 4 ME remote controller wiring Same as 5 1 5 Maximum line distanc...

Page 52: ...b unit Assign sequential num bers starting with the ad dress of the main unit in the same group 1 Main unit address 1 main unit address 2 main unit ad dress 3 etc MA re mote con troller Main re mote con troller MA No settings required Main Sub remote controller MA Sub remote controller Settings to be made ac cording to the remote con troller function selection 2 Opera tion withthe ME re mote contr...

Page 53: ...manufacturer name model name and the number of units connected to estimate the branching types and pipe sizes 4 Make sure that the existing piping system meet the piping size piping length and maximum vertical separation requirements for the Replace Multi system Criteria for determining the reusability of the existing piping Item Evaluation criteria Other evaluation materials Pipe size length Refe...

Page 54: ...ss CAUTION Store the piping materials indoors and keep both ends of the pipes sealed until immediately before brazing Keep elbows and other joints in plastic bags Infiltration of dust dirt or water into the refrigerant system may cause the refrigerant oil to deteriorate or damage the compressor CAUTION Do not use a charging cylinder The use of a charging cylinder will change the composition of the...

Page 55: ...completely that are not in use and seal it Is the piping air tight Start YES YES YES NO NO NO NO YES YES YES NO NO Please contact your local distributor Are the existing pipes still connected with indoor units and the outdoor units excluding sealed branch pipes that are not in use Exisiting piping cannot be reused Use new piping If the piping is left disconnected there is a possibility of contamin...

Page 56: ...al pipe length L from the outdoor unit to the farthest indoor unit A B C c or A D f 120 393 or less Equivalent length 150 492 or less Total pipe length from the first branch to the far thest indoor unit B C c or D f 40 131 or less Note 2 Height difference Between indoor and outdoor units Outdoor unit above in door unit H 50 164 or less Outdoor unit below in door unit H 40 131 or less Between indoo...

Page 57: ...the outdoor unit exceeds 2 m 6 ft provide a trap on the piping gas piping only within 2 m 6 ft of the branch pipe to prevent the refrigerant oil from accumulating in the piping and causing compressor damage Minimum trap height 200 mm 7 inches Unit m ft Operation Pipe sections Allowable length of pipes Piping length Indoor unit side Total pipe length A B C D E F a b c d e f 300 984 or less Note 1 T...

Page 58: ...r Branch joint First branch Branch joint Outdoor unit Outdoor unit First liquid refrigerant distributor First gas refrigerant distributor H1 Outdoor unit above indoor unit H1 Outdoor unit below indoor unit H2 Unit m ft Operation Pipe sections Allowable length of pipes Piping length Indoor unit side Total pipe length A B C D E F a b c d e f 250 820 or less Note 1 Total pipe length L from the out do...

Page 59: ...ausing compressor damage Minimum trap height 200 mm 7 inches To indoor unit To indoor unit 2m 6 ft 2m 6 ft Max Trap gas pipe only Branch header cap First branch Branch joint Downward inclination Upward inclination To indoor unit To indoor unit Branch joint Unit m ft Operation Pipe sections Allowable length of pipes Piping length Indoor unit side Total pipe length A B C D E F G I a b c d e f 250 82...

Page 60: ...Outdoor unit above indoor unit H Outdoor unit below indoor unit Indoor Indoor Indoor Indoor Indoor Indoor Indoor Indoor First branch Branch joint Outdoor unit Unit m ft Operation Pipe sections Allowable length of pipes Piping length Total pipe length A B C a b c d 300 984 or less Note 1 Total pipe length L from the outdoor unit to the farthest indoor unit A C d or A B b 120 393 or less Equivalent ...

Page 61: ...total capacity Liquid pipe size Gas pipe size RP200 model ø12 7 1 2 ø28 58 1 1 8 RP250 model RP300 model RP350 model ø15 88 5 8 ø34 93 1 3 8 RP400 model RP450 model RP500 model RP550 model RP600 model ø19 05 3 4 RP650 model ø41 28 1 5 8 RP700 model RP750 model RP800 model RP850 model RP900 model Unit mm inch model Pipe diameter Liquid pipe Gas pipe 15 40 models ø6 35 1 4 ø12 7 1 2 50 80 models ø9 ...

Page 62: ...oor unit and between the second distributor and the outdoor unit Applicable to the RP400 model or larger Unit mm inch Total capacity of the downstream units Liquid pipe Gas pipe 80 ø9 52 3 8 ø15 88 5 8 81 160 ø12 7 1 2 ø19 05 3 4 161 330 ø25 4 1 331 630 ø15 88 5 8 ø34 93 1 3 8 631 ø19 05 3 4 ø41 28 1 5 8 Unit mm inch Liquid pipe Gas pipe ø19 05 3 4 ø34 93 1 3 8 Unit mm inch model Liquid pipe Gas p...

Page 63: ... 54 II Restrictions GB HWE10130 ...

Page 64: ... 55 HWE10130 GB III Outdoor Unit Components 1 Outdoor Unit Components and Refrigerant Circuit 57 2 Control Box of the Outdoor Unit 59 3 Outdoor Unit Circuit Board 60 ...

Page 65: ... 56 ...

Page 66: ...E10130 GB III Outdoor Unit Components 1 Outdoor Unit Components and Refrigerant Circuit 1 Front view of an outdoor unit 1 PUHY RP200 RP250 RP300 RP350YJM B Fan Control box Compressor cover Fan guard Fin guards Front panel Heat exchanger ...

Page 67: ... top Refrigerant oil collector bottom Low pressure sensor 63LS Intermediate pressure sensor 63HS2 Linear expansion valve LEV2a 2b Accumulator ACC Solenoid valve SV1a Solenoid valve SV9 Solenoid valve SV3 Compressor COMP Oil separator O S Liquid valve BV2 Gas valve BV1 Solenoid valve SV1b Check valve CV4 Check valve CV2 Check valve CV3 2 way valve SV5b Linear expansion valve LEV1 Solenoid valve SV8...

Page 68: ...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...

Page 69: ...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 ...

Page 70: ...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 ...

Page 71: ...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...

Page 72: ...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 ...

Page 73: ... 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 ...

Page 74: ...s and Specifications of MA and ME Remote Controllers 67 2 Group Settings and Interlock Settings via the ME Remote Controller 68 3 Interlock Settings via the MA Remote Controller 72 4 Using the built in Temperature Sensor on the Remote Controller 73 ...

Page 75: ... 66 ...

Page 76: ...hain the indoor units using non polar ized 2 core cables Non polarized 2 core cable Remote controller connection Connectable to any indoor unit in the group Connectable anywhere on the indoor out door transmission line Interlock with the ventilation unit Each indoor unit can individually be in terlocked with a ventilation unit Set up via remote controller in the group Each indoor unit can individu...

Page 77: ...tion of registration Unit type Indoor unit in this case blinks to indicate a registration error Indicates that selected address does not have a corresponding unit 4 To register the addresses for multiple indoor units repeat steps and above 3 4 To search for an address go to section 2 Address Search To next page To search for an address go to section 2 Address Search Bring up the Interlock Setting ...

Page 78: ...NAY and indoor unit that is interlocked with it will be displayed alternately LOSSNAY can be searched in the same manner by bringing up the LOSSNAY address in the Interlocked unit address display window B Interlock setting search After performing step proceed as follows Bring up the address of the indoor unit to be searched on the display Select the address of the indoor unit to be searched by pre...

Page 79: ...temperature range setting on the simultaneous cooling heating type units that supports the automatic operation mode to save on energy consumption enable the Skip Auto Mode setting to make the automatic operation mode unselectable If the automatic operation mode is selected the energy saving function may not work properly When connected to the air conditioning units that do not support the automati...

Page 80: ...atic operation cannot be performed The automatic operation mode is skipped in the function selection mode sequence The left figure shows the display that appears when the current temperature range setting is between 19 C and 30 C in the Cool Dry mode and the lower limit temperature is selected to be set 2 Temperature range setting for heating 4 Switch between the Lower and Upper limit temperature ...

Page 81: ...address of the selected indoor unit and the interlocked LOSSNAY unit Registration completed The registered indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Registration error If the registration fails the indoor unit address and the LOSSNAY address will be displayed alternately Registration cannot be completed The selected unit address does not have a c...

Page 82: ...o search for the address of the LOSSNAY unit that is interlocked with the selected indoor unit Search completed With a LOSSNAY connection The indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Take the following steps to delete the interlock setting between a LOSSNAY unit and the interlocked indoor unit from the remote controller that is connected to the ...

Page 83: ... 74 IV Remote Controller GB HWE10130 ...

Page 84: ... 75 HWE10130 GB V Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Outdoor Unit 77 2 Electrical Wiring Diagram of Transmission Booster 78 ...

Page 85: ... 76 ...

Page 86: ...5 4 3 2 1 CNLVD blue 3 1 1 2 P 63H2 1 3 DCL M1 M2 SV1a Z3 2 1 M NET power supply circuit C5 LED3 CPU in operation LED1 Normal operation SC L1 SC L2 1 2 W U SC W 1 Z5 R1 R2 R3 C3 C2 F3 F2 F1 Z1 Z2 R4 D1 R5 R6 C11 DB1 C7 C8 C9 C10 C4 C1 C6 Power Source 3N 50 60Hz 380 400 415V N L3 L2 L1 TB1 N L3 L2 L1 L F4 AC250V 6 3A T black white red 3 1 CN3 green TB24 N TB23 L3 TB22 L2 TB21 L1 CN1B 4 1 3 1 CN1A U...

Page 87: ...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 ...

Page 88: ... 79 HWE10130 GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 81 2 Principal Parts and Functions 82 ...

Page 89: ... 80 ...

Page 90: ...AIR HEX REF ST1 ST2 ST3 ST5 CV1 CV4 CJ4 SV8 CJ3 CJ5 LEV2b TH4 TH7 TH3 TH6 CV2 CV3 SV3 CV6 SLEV ORIFICE ø1 7 SV1b 21S4b SV5b SV9 2 1 2 1 CP2 63H2 Oil Tank Mineral Oil Collection tank ACC 63LS 63HS2 TH5 LEV1 CV5 SV1a 21S4a O S COMP BV1 BV2 LEV2a BV3 63H1 63HS1 CJ1 CJ2 CP1 HEX AIR HEX REF ST1 ST2 ST3 ST5 CV1 CV4 CJ4 SV8 CJ3 CJ5 LEV2b TH4 TH7 TH3 TH6 CV2 CV3 SV3 CV6 SLEV ORIFICE SV1b 21S4b SV5b SV9 2 ...

Page 91: ...tects 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 63H2 1 Monitors intermediate pres sure 2 Provides intermediate pres sure protection 3 3MPa 479psi OFF setting Pressure 0 4 ...

Page 92: ...the 63HS1 and TH3 readings Degrees Celsius 0 C 32 F 15kohm 10 C 50 F 9 7kohm 20 C 68 F 6 4kohm 25 C 77 F 5 3kohm 30 C 86 F 4 3kohm 40 C 104 F 3 1kohm Resistance check TH7 Outdoor tem perature 1 Detects outdoor air tempera ture 2 Controls fan operation TH5 TH6 Controls LEV1 according to the TH3 TH5 and TH6 readings THHS Inverter heat sink tem perature Controls inverter cooling fan based on THHS tem...

Page 93: ...1 SC control Adjusts the amount of bypass flow from the liquid pipe on the outdoor unit during cooling DC12V Opening of a valve driven by a stepping motor 0 480 pulses direct driven type Same as in door LEV Theresistance value differs from that of the indoor LEV Refer to the section LEV Troubleshoot ing page 228 SLEV Refrigerant oil return Controls the amount of refrigerant oil that returns to the...

Page 94: ...Continuity between yellow brown and blue Thermis tor TH1 Suction air temperature Indoor unit control Thermo 0 C 32 F 15kohm 10 C 50 F 9 7kohm 20 C 68 F 6 4kohm 25 C 77 F 5 3kohm 30 C 86 F 4 3kohm 40 C 104 F 3 1kohm Resistance check TH2 Pipe temper ature 1 Indoor unit control Frost prevention Hot adjust 2 LEV control during heat ing operation subcool detection TH3 Gas pipe temperature LEV control d...

Page 95: ... VI Refrigerant Circuit 86 HWE10130 GB ...

Page 96: ... 87 HWE10130 GB VII Control 1 Functions and Factory Settings of the Dipswitches 89 2 Controlling the Outdoor Unit 95 3 Operation Flow Chart 107 ...

Page 97: ... 88 ...

Page 98: ... 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 e...

Page 99: ...t end temper ature Note 2 10 C 50 F 5 C 41 F Anytime after power on except during defrost operation B B 5 6 Temperature unit setting C F Note 4 Anytime after power on C C 7 8 9 Model setting Outdoor standard static pressure Outdoor high static pressure Before being energized C C 10 Model setting High static pressure 60Pa Highstaticpressure 30Pa Before being energized C C SW4 1 2 3 Refrigerant amou...

Page 100: ...CN6 short circuit connector is mated with the mating connector Leave the short circuit connector on the mating connector during normal operation to enable error detection and protect the equipment from damage Switch Function Function according to switch setting Switch setting timing Units that re quire switch setting Note 2 OFF ON OFF ON OC OS SW5 1 Model selection See the table below Note 4 Befor...

Page 101: ...ntroller Available During heating operation According to the SW1 7 setting Heat pump Always on while in the heating mode Fan speed setting for Heating Thermo OFF Very Low Low Preset speed Cooling only Enabled Enabled Disabled Disabled Enabled Enabled Not available Available Not available Available Not available Not available Available Not available Available Not available Available Downblow B C Ho...

Page 102: ...e MA remote controller PAR 21MAA does not have the switches listed above Refer to the installation manual for the func tion setting Remote controller Switching switch 1 ON 2 3 4 Switch 2 1 Function Remote controller main sub setting At power on of the remote controller Normal startup Timer mode startup 3 Cooling heating display set by automatic setting Displayed Not displayed 4 Suction temperature...

Page 103: ...s 108 Address setting range Setting method Main remote controller 101 150 Add 100 to the smallest address of all the indoor units in the same group Sub remote controller 151 200 Add 150 to the smallest address of all the indoor units in the same group Setting of rotary switch Address No 01 99 1 101 199 with the 100 s digit automatically being set to 1 2 00 200 1 At factory shipment the rotary swit...

Page 104: ...e 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 During the initial processing control processing of the operation signal is suspended The control processing is resumed after the initial processing is completed Initial processing involves data processing...

Page 105: ...ting at the minimum frequency SV1a turns off if the low pressure 63LS reaches 0 38 MPa or above Operation SV1b ON OFF At compressor startup ON for 4 minutes After the restoration of thermo or 3 minutes after restart ON for 4 minutes During cooling mode and when the com pressor is not in operation SV1b turns on for three minutes and turns on when the formula LPS LPS 0 2 MPa is satisfied During heat...

Page 106: ...cycle Periodic control is performed after the following time has passed 30 seconds after either compressor start up or the completion of defrost operation 30 seconds after frequency control based on discharge temperature or pressure limit The amount of frequency change The amount of frequency change is controlled to approximate the target value based on the evaporation temperature Te and condensin...

Page 107: ...erated at low frequency OFF Heating OFF Defrost OFF Refrigerant oil recovery in the heat ing mode with the compressor oper ated at low frequency ON When high pressure 63HS1 rises in the heating mode SV3 turns on if high pressure 63HS1 exceeds 2 98 MPa while the compressor is operated at the minimum frequency Condition 1 Condition 2 Condition 3 Outside temper ature TH7 5ºC 23ºF or above 5ºC 23ºF or...

Page 108: ...tion will be continued even if the indoor units stop or under the Thermo OFF conditions until it has run its course 11 Refrigerant Recovery Control Recovery of refrigerant is performed during heating operation to prevent the refrigerant from accumulating inside the unit while it is stopped unit in fan mode or inside the indoor unit that is in cooling mode or in heating mode with thermo off It is a...

Page 109: ...e TH2 of the subcool coil LEV opening is controlled based on the values of the inlet TH6 and the outlet TH3 temperatures of the subcool coil high pressure 63HS1 and discharge temperature TH4 In a single outdoor unit system 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...

Page 110: ...e integrated operation time of 90 minutes The compressor 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 2 3 2 The air conditioning load is too small for both the OC and the OS to ...

Page 111: ...ed The startup sequence of the OC OS1 and OS2 is changed The OC OS1 and OS2 stop The startup sequence of the OC OS1 and OS2 is rotated The startup sequence of the OC OS1 and OS2 is changed The OC OS1 and OS2 stop The startup sequence of the OC OS1 and OS2 is rotated The startup sequence of the OC OS1 and OS2 is changed 50 F 60Hz OS1 or F 50Hz OS1 Completed in the integrated operation time of 35 mi...

Page 112: ...protection Overload protection Overcurrent relay trip Heatsink temperature sensor failure THHS Current sensor circuit failure Subcool heat exchanger bypass outlet temperature sensor failure Pipe temperature sensor failure Discharge temperature sensor failure Accumulator inlet temperature sensor failure Subcool heat exchanger liquid outlet sensor failure Outside air temperature sensor failure Open ...

Page 113: ...re occurs or when some of the outdoor units are turned off 1 Starting the emergency operation When the OC is in trouble 1 When an error occurs the error source and the error code appear on the display on the remote controller 2 Reset the error via the remote controller to start an emergency operation Precautions before servicing the unit When the OC is in trouble the OS temporarily takes over the ...

Page 114: ...mode 2 Heating mode All indoor units in operation are in heating mode 3 Stopping mode All indoor units are in fan mode or stopping mode OC Cooling Heating OC failure pattern Trouble Normal Permitted Permitted Permitted Permitted Normal Trouble OS failure pattern OS Emergency operation Maximum total capacity of indoor units Note 1 Capacity that matches the total capacity of the operable outdoor uni...

Page 115: ... is set to ON the 4 step DEMAND control is enabled Eight step demand control is possible in the system with two outdoor units Twelve step demand control is possible in the system with three 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 25 ...

Page 116: ...or stop Error display Self holding of protection function Error command to outdoor unit Indoor unit LEV fully closed Refer to 2 1 Cooling operation Refer to 2 2 Heating operation Refer to 2 3 for dry operation Prohibition Prohibition Prohibition Dry display Heating display Cooling display Dry mode Heating mode Fan mode Fan display Fan operations Operation mode Cooling mode Operation command to out...

Page 117: ...to the operation mode commanded by the indoor unit However when the outdoor unit is running a cooling operation come of the operating indoor units will stop or the operation of these indoor units will be prohibited even when the indoor unit mode is switched from fan mode to heating mode This also applies when the outdoor unit is running a heating operation Start Breaker turned on Operation command...

Page 118: ... minute restart prevention Note 1 YES YES YES NO NO NO 4 way valve OFF 1 Inverter frequency control 2 Indoor unit LEV LEV1 control LEV2a LEV2b fully opened 3 Solenoid valve control 4 Outdoor unit fan control 5 72C control Normal operation During test run mode Unit in the stopped state Indoor unit fan operation 1 Inverter output 0Hz 2 Indoor unit LEV LEV1 LEV2a LEV2b rated opening 3 All solenoid va...

Page 119: ...nute restart prevention Note 1 2 Note 1 2 YES YES YES YES YES NO NO NO NO NO 1 Indoor outdoor unit fan control 2 Inverter frequency control 3 Indoor unit LEV LEV1 LEV2a LEV2b control 4 Solenoid valve control 5 72C control Normal operation Defrost operation 4 way valve ON During test run mode 1 Indoor unit fan operation at Very Low speed 2 Inverter output 0Hz 3 Indoor unit LEV LEV1 Fully closed LEV...

Page 120: ...FF 1 or 2 Note 1 When the indoor unit inlet temperature exceeds 18 C 64 F the outdoor unit compressor and the indoor unit fan start the intermittent operation simultaneously When the indoor unit inlet temperature becomes 18 C 64 F or less the fan always runs at low speed The outdoor unit the indoor unit and the solenoid valve operate in the same way as they do in the cooling operation when the com...

Page 121: ... 112 VII Control GB HWE10130 ...

Page 122: ... before a Test Run 115 2 Test Run Method 116 3 Operating Characteristic and Refrigerant Amount 117 4 Adjusting the Refrigerant Amount 117 5 Refrigerant Amount Adjust Mode 120 6 The following symptoms are normal 122 7 Standard Operation Data Reference Data 123 ...

Page 123: ... 114 ...

Page 124: ...pressor will evaporate and the insulation resistance will go up 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 transmi...

Page 125: ...on 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 controller or when the unit malfunctions 2 The O...

Page 126: ...t 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 ...

Page 127: ... the outdoor unit lbs oz 14 5 19 13 19 13 19 13 Amount of added refrigerant kg 0 39x L0 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 4 20x L0 3 12x L1 2 15 x L2 1 29 x L3 0 65 x L4 0 26 x L5 α L0 Length of ø22 2 7 8 liquid pipe m L1 Length of ø19 05 3 4 liquid pipe m L2 Length of ø15 88 5 8 liquid pipe m L3 Length of ø12 7 1 2 liquid pipe m L4 Length of ø9 52 3...

Page 128: ...ll be as follows Amount of refrigerant to be charged kg 0 2 X 40 0 12 X 20 0 06 X 44 0 024 X 10 5 18 25kg Amount of refrigerant to be charged 18 3kg 9 52 3 m 1m 20 m 10 m 10 m 44 m All the pipes in the figure are liquid pipes 3 4 98 ft 32 ft 130 ft 3 8 9 ft 65 ft 32 ft 32 ft 141 ft 1 4 32 ft According to the above formula The calculation result would be 693 03 oz and it is rounded up to the neares...

Page 129: ...ng the refrigerant charge by using the automatic refrigerant charging function in the heating mode the amount of refrigerant for the field piping except the amount for the indoor units should be charged through the designated port using the automatic refrigerant charge adjustment function on the outdoor unit If the amount of refrigerant to be charged is unknown operate the units in the refrigerant...

Page 130: ...Refrigerant charge adjustment is complete Extract 1 kg of refrigerant from the system The refrigerant charge adjustment mode was completed within 45 minutes and the units stopped operating Operation has continued for 45 minutes or longer 1 The operation mode will automatically be selected depending on the outside temperature 20 C or above Cooling Below 15 C Heating If the outside temperature is 15...

Page 131: ...When the main power is turned on the display shown on the right appears on the in door unit remote controller for 5 minutes HO or PLEASE WAIT icons blink on the display The system is starting up Wait until the blinking display of HO or PLEASE WAIT go off The drain pump keeps run ning after the unit has stopped Unlit The drain pump stays in operation for three minutes after the unit in the cooling ...

Page 132: ...98 30 98 Fan speed Hi Hi Amount of refrigerant kg lbs oz 11 6 26 14 3 32 Outdoor unit Electric current A 9 2 13 4 Voltage V 400 400 Compressor frequency Hz 54 65 LEV open ing Indoor unit Pulse 228 397 326 168 293 228 397 168 SC LEV1 279 287 LEV2 1267 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 95 0 98 2 78 0 86 428 142 403 125 Temp of each sec tion Outdoor unit ...

Page 133: ...refrigerant kg lbs oz 14 3 32 15 6 35 Outdoor unit Electric current A 16 6 19 9 Voltage V 400 400 Compressor frequency Hz 78 95 LEV open ing Indoor unit Pulse 293 228 397 168 336 345 397 235 SC LEV1 295 322 LEV2 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 86 0 84 2 95 0 82 415 122 428 119 Temp of each sec tion Outdoor unit Discharge TH4 C F 73 163 75 167 He...

Page 134: ...0 98 Fan speed Hi Hi Amount of refrigerant kg lbs oz 11 6 26 14 3 32 Outdoor unit Electric current A 9 2 12 7 Voltage V 400 400 Compressor frequency Hz 58 70 LEV open ing Indoor unit Pulse 246 432 354 184 315 246 432 184 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 60 0 72 2 79 0 73 377 104 405 106 Temp of each sec tion Outdoor unit Discharge TH4 C F 73 1...

Page 135: ...speed Hi Hi Amount of refrigerant kg lbs oz 14 3 32 15 6 35 Outdoor unit Electric current A 17 4 21 3 Voltage V 400 400 Compressor frequency Hz 84 101 LEV open ing Indoor unit Pulse 315 246 432 184 365 386 432 241 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 88 0 71 2 96 0 68 418 103 429 99 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 79 17...

Page 136: ...nt of refrigerant kg lbs oz 20 6 46 Outdoor unit Electric current A 19 3 Voltage V 400 Compressor frequency Hz 46 46 LEV open ing Indoor unit Pulse 292 293 397 235 SC LEV1 279 279 LEV2 1267 1267 Pressure High pressure after O S low pressure before accumulator MPa psi 2 95 0 98 2 95 0 98 428 142 428 142 Temp of each sec tion Outdoor unit Discharge TH4 C F 71 160 71 160 Heat exchanger out let TH3 43...

Page 137: ... lbs oz 23 1 51 Outdoor unit Electric current A 24 1 Voltage V 400 Compressor frequency Hz 56 56 LEV open ing Indoor unit Pulse 292 345 248 326 SC LEV1 287 279 LEV2 1400 1267 Pressure High pressure after O S low pressure before accumulator MPa psi 2 78 0 92 2 95 0 92 403 133 428 133 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 71 160 Heat exchanger out let TH3 45 113 43 109 Accumula...

Page 138: ... lbs oz 26 1 58 Outdoor unit Electric current A 29 0 Voltage V 400 Compressor frequency Hz 62 62 LEV open ing Indoor unit Pulse 349 345 293 235 SC LEV1 287 287 LEV2 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 78 0 86 2 78 0 86 403 125 403 125 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 76 169 Heat exchanger out let TH3 45 113 45 113 Accumula...

Page 139: ...kg lbs oz 27 0 60 Outdoor unit Electric current A 30 7 Voltage V 400 Compressor frequency Hz 78 65 LEV open ing Indoor unit Pulse 345 345 293 293 293 168 SC LEV1 295 287 LEV2 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 88 0 83 2 78 0 83 418 120 403 120 Temp of each sec tion Outdoor unit Discharge TH4 C F 78 172 76 169 Heat exchanger out let TH3 43 109 45 11...

Page 140: ...kg lbs oz 27 9 62 Outdoor unit Electric current A 32 0 Voltage V 400 Compressor frequency Hz 78 78 LEV open ing Indoor unit Pulse 345 345 293 293 293 326 SC LEV1 295 295 LEV2 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 86 0 84 2 86 0 84 415 122 415 122 Temp of each sec tion Outdoor unit Discharge TH4 C F 73 163 73 163 Heat exchanger out let TH3 43 109 43 10...

Page 141: ... kg lbs oz 29 0 64 Outdoor unit Electric current A 35 2 Voltage V 400 Compressor frequency Hz 87 86 LEV open ing Indoor unit Pulse 345 345 293 293 293 293 SC LEV1 322 295 LEV2 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 95 0 83 2 86 0 83 428 120 415 120 Temp of each sec tion Outdoor unit Discharge TH4 C F 75 167 73 163 Heat exchanger out let TH3 45 113 43 1...

Page 142: ... speed Hi Amount of refrigerant kg lbs oz 20 6 46 Outdoor unit Electric current A 18 4 Voltage V 400 Compressor frequency Hz 54 54 LEV open ing Indoor unit Pulse 315 315 432 241 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 60 0 72 2 60 0 72 377 104 377 104 Temp of each sec tion Outdoor unit Discharge TH4 C F 73 163 73 163 Heat exchanger out let TH3 12 54 ...

Page 143: ...Amount of refrigerant kg lbs oz 23 1 51 Outdoor unit Electric current A 21 8 Voltage V 400 Compressor frequency Hz 62 62 LEV open ing Indoor unit Pulse 315 386 266 354 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 70 0 73 2 70 0 72 392 106 392 104 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 76 169 Heat exchanger out let TH3 10 50 12 54 Accu...

Page 144: ... Amount of refrigerant kg lbs oz 26 1 58 Outdoor unit Electric current A 25 6 Voltage V 400 Compressor frequency Hz 70 70 LEV open ing Indoor unit Pulse 380 386 315 241 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 79 0 73 2 79 0 73 405 106 405 106 Temp of each sec tion Outdoor unit Discharge TH4 C F 79 174 79 174 Heat exchanger out let TH3 10 50 10 50 Acc...

Page 145: ... Amount of refrigerant kg lbs oz 27 0 60 Outdoor unit Electric current A 28 7 Voltage V 400 Compressor frequency Hz 83 71 LEV open ing Indoor unit Pulse 386 386 315 315 315 184 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 84 0 71 2 84 0 73 412 103 412 106 Temp of each sec tion Outdoor unit Discharge TH4 C F 78 172 78 172 Heat exchanger out let TH3 12 54 1...

Page 146: ... Amount of refrigerant kg lbs oz 27 9 62 Outdoor unit Electric current A 32 4 Voltage V 400 Compressor frequency Hz 84 84 LEV open ing Indoor unit Pulse 386 386 315 315 315 354 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 88 0 71 2 88 0 71 418 103 418 103 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 76 169 Heat exchanger out let TH3 12 54 1...

Page 147: ...i Amount of refrigerant kg lbs oz 29 0 64 Outdoor unit Electric current A 36 4 Voltage V 400 Compressor frequency Hz 93 92 LEV open ing Indoor unit Pulse 386 386 315 315 315 315 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 92 0 68 2 92 0 71 424 99 424 103 Temp of each sec tion Outdoor unit Discharge TH4 C F 78 172 78 172 Heat exchanger out let TH3 11 52 1...

Page 148: ...79 Outdoor unit Electric current A 34 7 Voltage V 400 Compressor frequency Hz 59 59 58 LEV open ing Indoor unit Pulse 345 345 345 345 345 293 SC LEV1 287 287 279 LEV2 1400 1400 1267 Pressure High pressure after O S low pressure before accumulator MPa psi 2 78 0 90 2 78 0 90 2 95 0 90 403 131 403 131 428 131 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 76 169 71 160 Heat exchanger ou...

Page 149: ...ric current A 34 7 Voltage V 400 Compressor frequency Hz 65 65 65 LEV open ing Indoor unit Pulse 345 345 345 345 345 345 SC LEV1 287 287 287 LEV2 1400 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 78 0 86 2 78 0 86 2 78 0 86 403 125 403 125 403 125 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 76 169 76 169 Heat exchanger out let TH3 45 113 45 1...

Page 150: ...ric current A 34 7 Voltage V 400 Compressor frequency Hz 75 65 65 LEV open ing Indoor unit Pulse 336 336 336 345 345 345 SC LEV1 295 287 287 LEV2 1400 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 88 0 84 2 78 0 84 2 78 0 84 418 122 403 122 403 122 Temp of each sec tion Outdoor unit Discharge TH4 C F 78 172 76 169 76 169 Heat exchanger out let TH3 43 109 45 1...

Page 151: ...ctric current A 34 7 Voltage V 400 Compressor frequency Hz 78 78 65 LEV open ing Indoor unit Pulse 336 336 336 336 336 336 SC LEV1 295 295 287 LEV2 1400 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 88 0 83 2 88 0 83 2 78 0 83 418 120 418 120 403 120 Temp of each sec tion Outdoor unit Discharge TH4 C F 77 171 77 171 76 169 Heat exchanger out let TH3 43 109 43...

Page 152: ...ctric current A 34 7 Voltage V 400 Compressor frequency Hz 78 78 78 LEV open ing Indoor unit Pulse 345 345 345 345 293 293 293 293 SC LEV1 295 295 295 LEV2 1400 1400 1400 Pressure High pressure after O S low pressure before accumulator MPa psi 2 86 0 84 2 86 0 84 2 86 0 84 415 122 415 122 415 122 Temp of each sec tion Outdoor unit Discharge TH4 C F 73 163 73 163 73 163 Heat exchanger out let TH3 4...

Page 153: ...igerant kg lbs oz 35 5 79 Outdoor unit Electric current A 34 9 Voltage V 400 Compressor frequency Hz 65 65 65 LEV open ing Indoor unit Pulse 386 386 386 386 386 315 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 73 0 73 2 73 0 73 2 73 0 72 396 106 396 106 396 104 Temp of each sec tion Outdoor unit Discharge TH4 C F 77 171 77 171 77 171 Heat exchanger out le...

Page 154: ... lbs oz 40 0 89 Outdoor unit Electric current A 38 6 Voltage V 400 Compressor frequency Hz 70 70 70 LEV open ing Indoor unit Pulse 386 386 386 386 386 386 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 79 0 73 2 79 0 73 2 79 0 73 405 106 405 106 405 106 Temp of each sec tion Outdoor unit Discharge TH4 C F 79 174 79 174 79 174 Heat exchanger out let TH3 10 5...

Page 155: ... lbs oz 40 0 89 Outdoor unit Electric current A 41 2 Voltage V 400 Compressor frequency Hz 72 71 71 LEV open ing Indoor unit Pulse 365 365 365 386 386 386 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 82 0 71 2 82 0 73 2 82 0 73 409 103 409 106 409 106 Temp of each sec tion Outdoor unit Discharge TH4 C F 78 172 78 172 78 172 Heat exchanger out let TH3 12 5...

Page 156: ... lbs oz 41 0 91 Outdoor unit Electric current A 45 2 Voltage V 400 Compressor frequency Hz 84 83 71 LEV open ing Indoor unit Pulse 365 365 365 365 365 365 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 85 0 71 2 85 0 71 2 85 0 73 413 103 413 103 413 106 Temp of each sec tion Outdoor unit Discharge TH4 C F 77 171 77 171 77 171 Heat exchanger out let TH3 12 5...

Page 157: ... lbs oz 42 0 93 Outdoor unit Electric current A 47 8 Voltage V 400 Compressor frequency Hz 84 84 84 LEV open ing Indoor unit Pulse 315 315 315 315 386 386 386 386 SC LEV1 LEV2 Pressure High pressure after O S low pressure before accumulator MPa psi 2 88 0 71 2 88 0 71 2 88 0 71 418 103 418 103 418 103 Temp of each sec tion Outdoor unit Discharge TH4 C F 76 169 76 169 76 169 Heat exchanger out let ...

Page 158: ...ding to Error Display on the Remote Controller 154 3 Investigation of Transmission Wave Shape Noise 221 4 Troubleshooting Principal Parts 224 5 Refrigerant Leak 244 6 Compressor Replacement Instructions 246 7 Troubleshooting Using the Outdoor Unit LED Error Display 249 ...

Page 159: ... 150 ...

Page 160: ... O 4115 Power supply signal sync error O 4116 RPM error Motor error O O 4220 4225 Note 4320 4325 Note 108 Abnormal bus voltage drop O 109 Abnormal bus voltage rise O 110 VDC error Hardware detection 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 102 ACCT overcurrent relay tr...

Page 161: ... 5107 1221 Temperature sensor fault Outside temperature TH7 O 5110 1214 01 Temperature sensor fault Heatsink temperature THHS O 5201 1402 High pressure sensor fault 63HS1 63HS2 O 5301 4300 115 ACCT sensor fault O 116 DCCT sensor fault O 117 ACCT sensor circuit fault O 118 DCCT sensor circuit fault O 119 Open circuited IPM Loose ACCT connector O 120 Faulty ACCT wiring O 5701 Loose float switch conn...

Page 162: ...ion error O O 6833 MA remote controller signal transmission error Hardware error O O 6834 MA controller signal reception error Start bit de tection error O O 7100 Total capacity error O 7101 Capacity code setting error O O O 7102 Wrong number of connected units O 7105 Address setting error O 7106 Attribute setting error O 7110 Connection information signal transmission recep tion error O 7111 Remo...

Page 163: ...ontrol 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...

Page 164: ...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 117 2 Overload operation Check operating conditions and operation status of indoor outdoor units 3 LEV failure on the indoor unit Perform a cooling...

Page 165: ...t 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 225 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 pressur...

Page 166: ...EV2a b actuation failure Cooling Indoor unit LEV actuation failure Heating Perform a cooling or heating operation to check the oper ation Cooling Indoor unit LEV2a b Heating Indoor unit LEV Refer to the section on troubleshooting the LEV page 228 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 ...

Page 167: ...it the same se quence as Item 1 above first detection is followed 4 For 30 minutes after the stop of the outdoor unit preliminary errors will be displayed on the LED display 3 Cause check method and remedy 1302 Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the page on the troubleshooting of the high pressure sensor page 224 2 Pressure sensor failure 3 Shorted circui...

Page 168: ...age is cancelled when the following conditions are met One hour after the preliminary water leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry The liquid pipe temperature minus the inlet temperature is 10 C 18 F or less 3 Cause check method and remedy 2500 Cause Check method and remedy 1 Drain water drainage problem Clogged dra...

Page 169: ...ter leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry The liquid pipe temperature minus the inlet temperature is 10 C 18 F or less 3 Cause check method and remedy Reference 2500 Cause Check method and remedy 1 Drain water drainage problem Clogged drain pump Clogged drain piping Backflow of drain water from other units Check fo...

Page 170: ...an Fan or Stop to an error stop 2502 appears on the monitor of the units that came to an error stop 6 Forced stoppage of the outdoor unit Detection timing The error is detected whether the unit is in operation or stopped 7 Ending criteria for the forced stoppage of outdoor unit Power reset the indoor unit that was identified as the error source and the outdoor unit that is connected to the same re...

Page 171: ...ngs the outdoor unit in the same refrigerant circuit to an error stop compressor operation prohibited and the outdoor unit brings all the indoor units in the same refrigerant circuit that are in any mode other than Fan or Stop to an error stop 6 Forced stoppage of the outdoor unit Detection timing The error is detected whether the unit is in operation or stopped This error is detected whether the ...

Page 172: ...ure thermistor or suction temperature thermistor or short or open circuited Drain pump is in operation One hour has elapsed since the drain sensor went off Short 90 C 194 F or above Open 20 C 4 F or below 3 Cause check method and remedy 2503 Cause Check method and remedy 1 Faulty connector CN31 insertion 1 Check for connector connection failure Reinsert the connector restart the operation and chec...

Page 173: ...tecting water leakage and the ones on the humidifier drain pump 2600 Cause Check method and remedy 1 Water leakage through the solenoid valve for the humidifier Check the solenoid valve for leakage with the humidifier being stopped 2 Drain water drainage problem Clogged drain pump Clogged drain piping Backflow of drain water from other units Check for proper drainage Stuck float switch Check for s...

Page 174: ... is empty Check the amount of supply water Check for the solenoid valve and for the connection 2 The solenoid valve for humidification is OFF Check the connector 3 Disconnected float switch Check the connecting part 4 Poor operation of float switch Check for the float switch 5 Frozen water tank Turn off the power source of the water tank to defrost and turn it on again ...

Page 175: ...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...

Page 176: ... 4 Check method and remedy Check the items in IX 4 7 2 Troubleshooting transmission power circuit of outdoor unit on all outdoor units in the same refrigerant circuit page 243 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 ...

Page 177: ...se Check method and remedy 1 Power supply error Check the voltage of the power supply terminal block TB1 2 Noise filter problem Coil problem Circuit board failure Check the coil connections Check for coil burnout Confirm that the voltage at the CN3 connector is 198 V or above 3 Faulty wiring Check fuse F01 on the control board 4 Wiring failure Between noise filter CN3 and noise filter CN2 and con ...

Page 178: ... 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...

Page 179: ... INV board In the case of 4220 INV board In the case of 4225 Fan board Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 234 1 Error Code VDC error Detail code 110 2 Error definition and error detection method Bus voltage abnormality If Vdc 400V or Vdc 160V is detected H W detection 3 Cause check method and remedy Same as detail c...

Page 180: ...s 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 Principal Parts for error codes related to the inverter page 234 4220 4225 Cause Check method and remedy 1 External noise 2 INV board failure Refer to IX 4 6 2 1 page 236 Cause Check method and remedy 1 External noise 2 Fan board failure Refer to IX 4 6 2 6 pa...

Page 181: ...ins 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 234 4220 4225 4230 Cause Check method and remedy 1 Fan board failure Refer to IX 4 6 2 6 page 238 2 Outdoor unit fan failure Check the outdoor unit fan operation If any problem is found with the fan operation c...

Page 182: ...55 Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 234 4240 Model Imax Arms RP200 19 RP250 RP350 27 Cause Check method and remedy 1 Air passage blockage Check that the heat sink cooling air passage is not blocked 2 Power supply environment Power supply voltage is 342 V or above 3 Inverter failure Refer to IX 4 6 page 234 4 Compr...

Page 183: ...nition and error detection method When IPM IGBT short damage or grounding on the load side is detected just before starting the inverter 3 Cause check method and remedy In the case of 4250 In the case of 4255 Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 234 4250 Cause Check method and remedy 1 Inverter output related Refer to...

Page 184: ... Parts for error codes related to the inverter page 234 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 IX 4 6 2 2 ...

Page 185: ...for 3 minutes When the error is not restored after 3 minutes if restored the outdoor unit runs normally the outdoor unit makes an error stop Short detectable at 90 C 194 F or higher Open detectable at 40 C 40 F or lower Sensor error at gas side cannot be detected under the following conditions During heating operation During cooling operation for 3 minutes after the compressor turns on 3 Cause che...

Page 186: ... 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...

Page 187: ...Pa 14psi or more If the high pressure sensor or intermediate pressure sensor detects 0 098MPa 14psi or less just before the restart the out door 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 af...

Page 188: ... is detected at startup 6Hz 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 234 5301 Cause Check method and remedy 1 Inverter open output phase Check the output wiring connections 2 Compressor failure Refer to IX 4 6 2 2 page 236 3 INV board failure Refer to IX 4 6 2 1 3 4 page 236 5301 Cause Chec...

Page 189: ...etected 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 234 5301 Cause Check method and remedy 1 INV board failure Refer to IX 4 6 2 1 3 4 page 236 2 Compressor failure Refer to IX 4 6 2 2 page 236 ...

Page 190: ...emedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 234 5301 Cause Check method and remedy 1 Contact failure Check for good contact of the INV board connector CNCT and the connec tor on the DCCT side 2 INV board failure Refer to IX 4 6 2 1 page 236 3 DCCT sensor failure Replace the DCCT sensor 4 Compressor failure Refer to IX ...

Page 191: ...re 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 234 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 board...

Page 192: ... fault nonvolatile memory error 2 Error definition and error detection method This error is detected when the data cannot be read out from the built in nonvolatile memory on the remote controller 3 Cause check method and remedy 1 Remote controller failure Replace the remote controller 1 Error Code Remote controller board fault clock IC error 2 Error definition and error detection method This error...

Page 193: ...al due to electrical noise Check the signal waveform and check for electrical noise interference on the transmission cable See the section Investigation of Transmission Wave Shape Noise for how to check them 3 Units were reset due to electrical noise 4 M NET transmission cable connection failure Check the M NET transmission cable for proper connec tion 6600 Cause Check method and remedy 1 Two or m...

Page 194: ...uish the polarities of the M NET transmission line 3 Cause check method and remedy 6601 Cause Check method and remedy 1 No voltage is applied to the M NET transmission line that G B 50A is connected to Check if power is supplied to the M NET transmission line of the G B 50A and correct any problem found 2 M NET transmission line to which G B 50A is con nected is short circuited ...

Page 195: ...ts 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 wor...

Page 196: ... 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 ...

Page 197: ...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...

Page 198: ...sources of the outdoor and indoor units for 5 or more minutes and turn them on again If the error is accidental the will run normal ly If not check the cause 2 2 Disconnection or short circuit of the transmission line for the outdoor unit on the termi nal block for centralized con trol line connection TB7 2 Check the causes of 1 5 If the cause is found correct it If no cause is found check 3 3 Whe...

Page 199: ... 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 c...

Page 200: ...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...

Page 201: ...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...

Page 202: ... 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 ...

Page 203: ...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...

Page 204: ...me 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 address in formation using the manual set ting function of ME remote c...

Page 205: ... 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...

Page 206: ...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 ...

Page 207: ...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...

Page 208: ...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...

Page 209: ...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 ...

Page 210: ... unit connected turn off the power source of the outdoor and the indoor units and change the setting of the model name ca pacity code 2 The model selection switches SW5 1 5 4 on the outdoor unit are set incorrectly Check the setting for the model selection switch on the outdoor unit Dipswitches SW5 1 5 4 on the outdoor unit control board 3 The outdoor unit and the auxiliary unit OS that is connect...

Page 211: ...y 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 4 on th...

Page 212: ...r 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 set to OFF Normally set to ON 4 Check the set...

Page 213: ...00 Check that the address of OC unit is set to 51 100 Reset the address if it stays out of the range while shutting the power source off 7106 Error source Cause Check method and remedy A remote controller for use with indoor units such as the MA remote controller is connected to the OA processing unit whose attribute is FU To operate the OA processing unit directly via a re mote controller for use...

Page 214: ...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...

Page 215: ...contact failure 2 Check the compatibility of the circuit board and replace it with a correct one if necessary 3 Incompatibility between the control board and INV board Replacement of the circuit board with the wrong one 3 Check the model selection switch on the outdoor unit Dipswitch SW5 7 on the control board 7116 Error source Cause Check method and remedy Outdoor unit Refrigerant pipe cleaning h...

Page 216: ...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...

Page 217: ...tion 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 pol...

Page 218: ...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...

Page 219: ...rt circuited wire for the MA remote controller Disconnected wire for the MA remote controller No 2 and disconnected line to the terminal block Reversed daisy chain connection between groups Incorrect wiring for the MA remote controller to the terminal block for transmission line connection TB5 on the indoor unit The M NET transmission line is connected incorrectly to the terminal block TB13 for th...

Page 220: ... Check 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 b...

Page 221: ...cted 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 IX 7 Troubleshooting Using the Outdoor Unit LED Error Display page 249 2 Check method and remedy 1 Check voltage of the transmissi...

Page 222: ...indoor 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 th...

Page 223: ...ol TB7 of 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 HO display on the remote controller will disappear when the indoor unit and the local remote con troller ME remote co...

Page 224: ...re grouped 6 The power of the outdoor unit to be confirmed has been cut off 6 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 7 Check that the transmission line for centralized control TB7 of the outdoor unit is not disconnect ed 8 When...

Page 225: ... 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 155 At high pressure Refer to 1302 page 157 2 Indoor unit LEV malfunction Refer to the page of LEV troubleshooting 4 5 page 228 Insufficient refrigerant flows due to LE...

Page 226: ...the foreign object may clog the pipe Remove the foreign object inside the pipe 8 The indoor unit inlet temperature is excessively Less than 15 C 59 F WB Check the inlet air temperature and for short cy cling Change the environment where the indoor unit is used 9 Compressor failure The amount of circulating refrigerant decreases due to refrigerant leak in the compressor Check the discharge temperat...

Page 227: ...ck 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...

Page 228: ...hange the pipe 7 Piping size is not proper thin 8 Clogging by foreign object Check the temperature difference between the up stream and the downstream of the pipe section that is blocked Since blockage in the extended section is difficult to locate operate the unit in the cooling cycle and follow the same procedures that are used to locate the blockage of pipe during cooling operation Remove the b...

Page 229: ...y 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 prevent...

Page 230: ...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 ...

Page 231: ...n 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 vari...

Page 232: ...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...

Page 233: ...igh pressure sensor has a problem 3 Disconnect the high pressure intermediate pressure sensor from the control board and check the pressure dis played on 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 ...

Page 234: ...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...

Page 235: ...o check whether the valve has no faults and the electricity runs between where and where Do not touch the pipe when checking the temperature as the pipe on the oil separator side will be hot Do not give an impact from outside as the outer hull will be deformed leading to the malfunction of the inner valve 2 21S4b 4 way switching valve About this 4 way valve When not powered Conducts electricity be...

Page 236: ...hen SW4 3 is set to ON The valve s status can be checked on the LED The valve position can be determined by checking to see if the refrigerant cylinder connected to the automatic refrigerant charging port becomes lighter during refrigerant oil re covery operation or refrigerant charge adjustment operation while the unit is energized 6 SV5b solenoid valve This valve is a shutoff valve that opens wh...

Page 237: ... 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 Output state Output phase number 1 2 3 4 1 ON OFF OFF ON 2 ON ON OFF OFF 3 OFF ON ON OFF 4 OFF OFF ON ON Output pulses change in the following orders when the Valve is closed 1 2 3 4 1 Valve is open 4 3 2 1 4 1 When the LEV opening angle does not change all the output phases will be off 2 When ...

Page 238: ... 2 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...

Page 239: ...e using a tester They are normal if resistance is 150ohm 10 Replace the LEV coils Indoor Outdoor LEV2a LEV2b Measure resistance between the coils red white red orange brown yellow brown blue using a tester They are normal if resistance is 46ohm 3 Replace the LEV coils Outdoor LEV1 SLEV Incomple sealing leak from the valve When checking the refrigerant leak from the indoor LEV run the target indoor...

Page 240: ...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...

Page 241: ... not use motors if dropped 3 Do not remove the cap until immediately before the procedure 4 Do not wipe off any molybdenum 5 Do not remove the packing 6 Do not apply any other than specified liquid such as screw lock agent grease and etc Motor Driver Locknut Valve assembling Valve body side Orifice Bellows Refrigerant Circuit Motor Packing Cap Molybdenum ...

Page 242: ...tick precisely Apply screw lock agent to whole part of the screw Do not introduce screw lock agent into the motor Use new motors if problems are found on the motor during the replacement 7 After rotating the locknut 2 3 times by hands hold the valve body with the spanner and tighten the locknut with the specified torque with a torque wrench Apply the tightening torque of 15N m 150kgf cm administra...

Page 243: ...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...

Page 244: ...or is in operation page 238 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...

Page 245: ...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...

Page 246: ... items 1 through 3 for problems b Check that high and low pressures are balanced c Check that no liquid refrig erant is present in the compressor Go to d when the problem persists after compressor startup was repeated several times If normal operation is re stored check the crank case heater for problems d Check that there is a pres sure difference between high and low pressures af ter compressor ...

Page 247: ... Check the connector CN VDC connection Cnnector contact failure Connect the connector 3 Check the FAN board failure 1 The voltage imbalance among each motor wiring during operation The voltage imbalance is greater than the larger of the values repre sented by 5 or 5V Replace the FAN board 2 The same error occurs even after the operation is restarted Items to be checked Phenomena Remedy ...

Page 248: ...edures for individual components of main inverter circuit page 240 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 e...

Page 249: ...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...

Page 250: ... 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 ...

Page 251: ...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...

Page 252: ...horted 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 amo...

Page 253: ...elf 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 units and st...

Page 254: ... the indoor units are stopped 3 Close the service 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 cas...

Page 255: ...e 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 ...

Page 256: ... material Suction piping Protection for the compressor cover 6 Place protective materials on the insulation lining of the compressor cover and on the sealing material on the compressor suction pipe to protect them from the torch flame debraze the pipe and replace the compressor Belt heater Compressor covers right and left The inside of the compressor cover is lined with sound insulation material ...

Page 257: ...te heat exchanger ASSY Mount the Plate heat exchanger ASSY replacement to the unit with care not to damage heat exchanger fins and peripheral piping devices Replace the attachment valve and fix valve BV1 BV2 and check joint CJ3 Braze A E parts total 5 places Mount the solenoid valve coil cover solenoid valve coil SV3 SV5b SV8 SV9 linear expansion valve LEV1 SLEV pressure switch 63H2 and peripheral...

Page 258: ...sconnected 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 cab...

Page 259: ... 250 IX Troubleshooting GB HWE10130 ...

Page 260: ... 251 HWE10130 GB X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 253 ...

Page 261: ... 252 ...

Page 262: ...s 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 pre...

Page 263: ...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...

Page 264: ...0000 to 9999 Address and error codes highlighted B If no errors are detected appears on the dis play 3 1100000000 Relay out put display 2 Top 21S4a CH11 SV1a SV1b A A Bottom SV3 21S4b SV5b SV8 4 0010000000 Relay out put display 3 Top SV9 Power sup ply for indoor transmis sion line A A Bottom 5 1010000000 6 0110000000 7 1110000000 Special control Retry opera tion Emergency operation Refrigerant rec...

Page 265: ...nit No 23 Unit No 24 Bottom Unit No 25 Unit No 26 Unit No 27 Unit No 28 Unit No 29 Unit No 30 Unit No 31 Unit No 32 18 0100100000 Top Unit No 33 Unit No 34 Unit No 35 Unit No 36 Unit No 37 Unit No 38 Unit No 39 Unit No 40 Bottom Unit No 41 Unit No 42 Unit No 43 Unit No 44 Unit No 45 Unit No 46 Unit No47 Unit No 48 19 1100100000 Top Unit No 49 Unit No 50 Bottom 20 0010100000 Indoor unit Operation m...

Page 266: ...Bottom Unit No 41 Unit No 42 Unit No 43 Unit No 44 Unit No 45 Unit No 46 Unit No47 Unit No 48 27 1101100000 Top Unit No 49 Unit No 50 Bottom 28 0011100000 29 1011100000 30 0111100000 31 1111100000 32 0000010000 33 1000010000 34 0100010000 35 1100010000 36 0010010000 37 1010010000 38 0110010000 39 1110010000 Outdoor unit Operation mode Permissible stop Standby Cooling Heating B 40 0001010000 41 100...

Page 267: ... A The 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 Intermediate pressure sensor data 99 9 to 999 9 A A 61 1011110000 62 0111110000 63 1111110000 64 0000001000 65 1000001000 66 0100001000 67 1100001000 68 0010001000 69 1010001000 70 0110001000 Current data No SW1 Item Di...

Page 268: ...Total frequencies OC OS 0000 to 9999 B Control data Hz 87 1110101000 Total frequency of each unit 0000 to 9999 A A 88 0001101000 COMP frequency 0000 to 9999 A A 89 1001101000 90 0101101000 91 1101101000 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 ...

Page 269: ...ly open 480 104 0001011000 LEV2 60 to 1400 A A Outdoor LEV opening Fully open 1400 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 C...

Page 270: ...COMP number of start stop 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 133 101...

Page 271: ...100 151 1110100100 152 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 c...

Page 272: ...100 171 1101010100 172 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 ...

Page 273: ...rter Error details of inverter 0001 0120 A A 188 0011110100 Error history 6 0000 to 9999 B B 189 1011110100 Error details of inverter Error details of inverter 0001 0120 A A 190 0111110100 Error history 7 0000 to 9999 B B 191 1111110100 Error details of inverter Error details of inverter 0001 0120 A A 192 0000001100 Error history 8 0000 to 9999 B B 193 1000001100 Error details of inverter Error de...

Page 274: ...ooling Heating B 206 0111001100 207 1111001100 208 0000101100 Outdoor unit control mode Stop Thermo OFF Abnormal stop Scheduled control Initial start up Defrost Oil balance Low fre quency oil recovery A A 209 1000101100 Refrigerant recovery A A 210 0100101100 211 1100101100 Relay output display 1 Lighting Comp in op eration 72C OC Always lit A A 212 0010101100 Relay out put display 2 Lighting Top ...

Page 275: ...A A The unit 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 Intermediate sensor data 99 9 to 999 9 A A 232 0001011100 233 1001011100 234 0101011100 235 1101011100 236 0011011100 237 1011011100 238 0111011100 239 1111011100 240 0000111100 241 1000111100 Data before error No ...

Page 276: ...00010 257 1000000010 Total frequencies OC OS 0000 to 9999 B Control data Hz 258 0100000010 Total frequency of each unit 0000 to 9999 A A 259 1100000010 COMP frequency 0000 to 9999 A A 260 0010000010 261 1010000010 262 0110000010 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 ...

Page 277: ...1010100010 278 0110100010 279 1110100010 280 0001100010 281 1001100010 282 0101100010 COMP bus voltage 00 0 to 999 9 A A The unit is V 283 1101100010 284 0011100010 285 1011100010 286 0111100010 287 1111100010 288 0000010010 COMP Operation time Upper 4 digits 0000 to 9999 A A The unit is h 289 1000010010 COMP Operation time Lower 4 digits 0000 to 9999 A A 290 0100010010 291 1100010010 Data before ...

Page 278: ...art stop events Lower 4 digits 0000 to 9999 A A 296 0001010010 297 1001010010 298 0101010010 299 1101010010 300 0011010010 Integrated operation time of compressor for rotation purpose 0000 to 9999 B The unit is h 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...

Page 279: ...0 304 0000110010 305 1000110010 306 0100110010 307 1100110010 308 0010110010 309 1010110010 310 0110110010 311 1110110010 312 0001110010 313 1001110010 314 0101110010 315 1101110010 316 0011110010 317 1011110010 318 0111110010 319 1111110010 320 0000001010 321 1000001010 322 0100001010 323 1100001010 324 0010001010 325 1010001010 326 0110001010 327 1110001010 1 A The condition of either OC or OS i...

Page 280: ... 0100101010 339 1100101010 340 0010101010 341 1010101010 342 0110101010 343 1110101010 344 0001101010 345 1001101010 346 0101101010 347 1101101010 348 0011101010 349 1011101010 350 0111101010 Current data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the entire refrigerant sy...

Page 281: ...ss capacity code 0000 to 9999 0000 to 9999 358 0110011010 IC8 Address capacity code 0000 to 9999 0000 to 9999 359 1110011010 IC9 Address capacity code 0000 to 9999 0000 to 9999 360 0001011010 IC10 Address capacity code 0000 to 9999 0000 to 9999 361 1001011010 IC11 Address capacity code 0000 to 9999 0000 to 9999 362 0101011010 IC12 Address capacity code 0000 to 9999 0000 to 9999 363 1101011010 IC13...

Page 282: ...y code 0000 to 9999 0000 to 9999 382 0111111010 IC32 Address capacity code 0000 to 9999 0000 to 9999 383 1111111010 IC33 Address capacity code 0000 to 9999 0000 to 9999 384 0000000110 IC34 Address capacity code 0000 to 9999 0000 to 9999 385 1000000110 IC35 Address capacity code 0000 to 9999 0000 to 9999 386 0100000110 IC36 Address capacity code 0000 to 9999 0000 to 9999 387 1100000110 IC37 Address...

Page 283: ...city code 0000 to 9999 0000 to 9999 401 1000100110 402 0100100110 403 1100100110 404 0010100110 405 1010100110 406 0110100110 407 1110100110 408 0001100110 IC1 Suction temperature 99 9 to 999 9 B The unit is C 409 1001100110 IC2 Suction temperature 99 9 to 999 9 410 0101100110 IC3 Suction temperature 99 9 to 999 9 411 1101100110 IC4 Suction temperature 99 9 to 999 9 Data on indoor unit system No S...

Page 284: ...ure 99 9 to 999 9 424 0001010110 IC17 Suction temperature 99 9 to 999 9 425 1001010110 IC18 Suction temperature 99 9 to 999 9 426 0101010110 IC19 Suction temperature 99 9 to 999 9 427 1101010110 IC20 Suction temperature 99 9 to 999 9 428 0011010110 IC21 Suction temperature 99 9 to 999 9 429 1011010110 IC22 Suction temperature 99 9 to 999 9 430 0111010110 IC23 Suction temperature 99 9 to 999 9 431 ...

Page 285: ...9 9 450 0100001110 IC43 Suction temperature 99 9 to 999 9 451 1100001110 IC44 Suction temperature 99 9 to 999 9 452 0010001110 IC45 Suction temperature 99 9 to 999 9 453 1010001110 IC46 Suction temperature 99 9 to 999 9 454 0110001110 IC47 Suction temperature 99 9 to 999 9 455 1110001110 IC48 Suction temperature 99 9 to 999 9 456 0001001110 IC49Suction temperature 99 9 to 999 9 457 1001001110 IC50...

Page 286: ...ture 99 9 to 999 9 478 0111101110 IC21 Liquid pipe temperature 99 9 to 999 9 479 1111101110 IC22 Liquid pipe temperature 99 9 to 999 9 480 0000011110 IC23 Liquid pipe temperature 99 9 to 999 9 481 1000011110 IC24 Liquid pipe temperature 99 9 to 999 9 482 0100011110 IC25 Liquid pipe temperature 99 9 to 999 9 483 1100011110 IC26 Liquid pipe temperature 99 9 to 999 9 484 0010011110 IC27 Liquid pipe t...

Page 287: ...1110 IC43 Liquid pipe temperature 99 9 to 999 9 501 1010111110 IC44 Liquid pipe temperature 99 9 to 999 9 502 0110111110 IC45 Liquid pipe temperature 99 9 to 999 9 503 1110111110 IC46 Liquid pipe temperature 99 9 to 999 9 504 0001111110 IC47 Liquid pipe temperature 99 9 to 999 9 505 1001111110 IC48 Liquid pipe temperature 99 9 to 999 9 506 0101111110 IC49 Liquid pipe temperature 99 9 to 999 9 507 ...

Page 288: ...dress Count up display of number of connected units B 515 1100000001 BC BS TU address Count up display of number of connected units 516 0010000001 OS address Count up display of number of connected units B 517 1010000001 Version Capacity S W version Refrigerant type Model and capacity Communication address A A 518 0110000001 OC address OC address display B 519 1110000001 520 0001000001 521 1001000...

Page 289: ...0100001 IC12 Gas pipe temperature 99 9 to 999 9 535 1110100001 IC13 Gas pipe temperature 99 9 to 999 9 536 0001100001 IC14 Gas pipe temperature 99 9 to 999 9 537 1001100001 IC15 Gas pipe temperature 99 9 to 999 9 538 0101100001 IC16 Gas pipe temperature 99 9 to 999 9 539 1101100001 IC17 Gas pipe temperature 99 9 to 999 9 540 0011100001 IC18 Gas pipe temperature 99 9 to 999 9 541 1011100001 IC19 Ga...

Page 290: ... 1111010001 IC37 Gas pipe temperature 99 9 to 999 9 560 0000110001 IC38 Gas pipe temperature 99 9 to 999 9 561 1000110001 IC39 Gas pipe temperature 99 9 to 999 9 562 0100110001 IC40 Gas pipe temperature 99 9 to 999 9 563 1100110001 IC41 Gas pipe temperature 99 9 to 999 9 564 0010110001 IC42 Gas pipe temperature 99 9 to 999 9 565 1010110001 IC43 Gas pipe temperature 99 9 to 999 9 566 0110110001 IC4...

Page 291: ...99 9 583 1110001001 IC11SH 99 9 to 999 9 584 0001001001 IC12SH 99 9 to 999 9 585 1001001001 IC13SH 99 9 to 999 9 586 0101001001 IC14SH 99 9 to 999 9 587 1101001001 IC15SH 99 9 to 999 9 588 0011001001 IC16SH 99 9 to 999 9 589 1011001001 IC17SH 99 9 to 999 9 590 0111001001 IC18SH 99 9 to 999 9 591 1111001001 IC19SH 99 9 to 999 9 592 0000101001 IC20SH 99 9 to 999 9 593 1000101001 IC21SH 99 9 to 999 9...

Page 292: ...9 611 1100011001 IC39SH 99 9 to 999 9 612 0010011001 IC40SH 99 9 to 999 9 613 1010011001 IC41SH 99 9 to 999 9 614 0110011001 IC42SH 99 9 to 999 9 615 1110011001 IC43SH 99 9 to 999 9 616 0001011001 IC44SH 99 9 to 999 9 617 1001011001 IC45SH 99 9 to 999 9 618 0101011001 IC46SH 99 9 to 999 9 619 1101011001 IC47SH 99 9 to 999 9 620 0011011001 IC48SH 99 9 to 999 9 621 1011011001 IC49SH 99 9 to 999 9 62...

Page 293: ...99 9 633 1001111001 IC11SC 99 9 to 999 9 634 0101111001 IC12SC 99 9 to 999 9 635 1101111001 IC13SC 99 9 to 999 9 636 0011111001 IC14SC 99 9 to 999 9 637 1011111001 IC15SC 99 9 to 999 9 638 0111111001 IC16SC 99 9 to 999 9 639 1111111001 IC17SC 99 9 to 999 9 640 0000000101 IC18SC 99 9 to 999 9 641 1000000101 IC19SC 99 9 to 999 9 642 0100000101 IC20SC 99 9 to 999 9 643 1100000101 IC21SC 99 9 to 999 9...

Page 294: ...C 99 9 to 999 9 662 0110100101 IC40SC 99 9 to 999 9 663 1110100101 IC41SC 99 9 to 999 9 664 0001100101 IC42SC 99 9 to 999 9 665 1001100101 IC43SC 99 9 to 999 9 666 0101100101 IC44SC 99 9 to 999 9 667 1101100101 IC45SC 99 9 to 999 9 668 0011100101 IC46SC 99 9 to 999 9 669 1011100101 IC47SC 99 9 to 999 9 670 0111100101 IC48SC 99 9 to 999 9 671 1111100101 IC49SC 99 9 to 999 9 672 0000010101 IC50SC 99...

Page 295: ...0101 INV board S W version 0 00 to 99 99 A A 677 1010010101 678 0110010101 679 1110010101 Fan board S W version 0 00 to 99 99 A A 680 0001010101 681 1001010101 682 0101010101 683 1101010101 684 0011010101 685 1011010101 686 0111010101 687 1111010101 1 A The condition of either OC or OS is displayed individually B The condition of the entire refrigerant system is displayed ...

Page 296: ...01 Time of error detection 3 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 696 0001110101 Time of error detection 4 00 00 to 23 59 Hour minute 697 1001110101 Time of error detection 4 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 698 0101110101 Time of error detection 5 00 00 to 23 59 Hour minute 699 1101110101 Time of error detection 5 2 00 00 to 99 12 1 ...

Page 297: ... detection 9 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 708 0010001101 Time of error detection 10 00 00 to 23 59 Hour minute 709 1010001101 Time of error detection 10 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 710 0110001101 Time of last data backup be fore error 00 00 to 23 59 Hour minute 711 1110001101 Time of last data backup be fore error 2 00 00...

Page 298: ...ening 0000 to 9999 725 1010101101 IC12 LEV opening 0000 to 9999 726 0110101101 IC13 LEV opening 0000 to 9999 727 1110101101 IC14 LEV opening 0000 to 9999 728 0001101101 IC15 LEV opening 0000 to 9999 729 1001101101 IC16 LEV opening 0000 to 9999 730 0101101101 IC17 LEV opening 0000 to 9999 731 1101101101 IC18 LEV opening 0000 to 9999 732 0011101101 IC19 LEV opening 0000 to 9999 733 1011101101 IC20 L...

Page 299: ...ing 0000 to 9999 755 1100111101 IC42 LEV opening 0000 to 9999 756 0010111101 IC43 LEV opening 0000 to 9999 757 1010111101 IC44 LEV opening 0000 to 9999 758 0110111101 IC45 LEV opening 0000 to 9999 759 1110111101 IC46 LEV opening 0000 to 9999 760 0001111101 IC47 LEV opening 0000 to 9999 761 1001111101 IC48 LEV opening 0000 to 9999 762 0101111101 IC49 LEV opening 0000 to 9999 763 1101111101 IC50 LEV...

Page 300: ...n mode 782 0111000011 IC19 Operation mode 783 1111000011 IC20 Operation mode 784 0000100011 IC21 Operation mode 785 1000100011 IC22 Operation mode 786 0100100011 IC23 Operation mode 787 1100100011 IC24 Operation mode 788 0010100011 IC25 Operation mode 789 1010100011 IC26 Operation mode 790 0110100011 IC27 Operation mode 791 1110100011 IC28 Operation mode 792 0001100011 IC29 Operation mode 793 1001...

Page 301: ...ode 811 1101010011 IC48 Operation mode 812 0011010011 IC49 Operation mode 813 1011010011 IC50 Operation mode 814 0111010011 IC1 filter 0000 to 9999 B Hours since last mainte nance h 815 1111010011 IC2 filter 0000 to 9999 816 0000110011 IC3 filter 0000 to 9999 817 1000110011 IC4 filter 0000 to 9999 818 0100110011 IC5 filter 0000 to 9999 819 1100110011 IC6 filter 0000 to 9999 820 0010110011 IC7 filt...

Page 302: ...011 IC25 filter 0000 to 9999 839 1110001011 IC26 filter 0000 to 9999 840 0001001011 IC27 filter 0000 to 9999 841 1001001011 IC28 filter 0000 to 9999 842 0101001011 IC29 filter 0000 to 9999 843 1101001011 IC30 filter 0000 to 9999 844 0011001011 IC31 filter 0000 to 9999 845 1011001011 IC32 filter 0000 to 9999 846 0111001001 IC33 filter 0000 to 9999 847 1111001011 IC34 filter 0000 to 9999 848 0000101...

Page 303: ... to 9999 858 0101101011 IC45 filter 0000 to 9999 859 1101101011 IC46 filter 0000 to 9999 860 0011101011 IC47 filter 0000 to 9999 861 1011101011 IC48 filter 0000 to 9999 862 0111101011 IC49 filter 0000 to 9999 863 1111101011 IC50 filter 0000 to 9999 Data on indoor unit system No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS...

Page 304: ...ent effec tive value 1 99 9 to 999 9 A A 873 1001011011 Power factor phase an gle 1 99 9 to 999 9 A A The unit is deg 874 0101011011 875 1101011011 876 0011011011 877 1011011011 878 0111011011 879 1111011011 880 0000111011 Control board Reset counter 0 to 254 A A The unit is time 881 1000111011 INV board Reset counter 0 to 254 A A 882 0100111011 883 1100111011 884 0010111011 Fan board Reset counte...

Page 305: ...00111 899 1100000111 900 0010000111 901 1010000111 902 0110000111 903 1110000111 904 0001000111 905 1001000111 906 0101000111 907 1101000111 1020 0011111111 1021 1011111111 1022 0111111111 1023 1111111111 Other types of data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the e...

Page 306: ... RP400 RP450 RP500 RP550 RP600 RP650YSJM B PUHY RP700 RP750 RP800 RP850 RP900YSJM B Service Handbook Service Handbook Model Issued in Feb 2011 HWE10130 Printed in Japan New publication effective Feb 2011 Specifications subject to change without notice ...

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