Mitsubishi Electric PUMY-P200YKM1 Скачать руководство пользователя страница 40 | Manualshive

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OCH634C

8-1-2. Countermeasures for Error During Test Run

• If a problem occurs during test run, a code number will appear on the remote controller (or LED on the outdoor unit), and the

air conditioning system will automatically cease operating.

Determine the nature of the abnormality and apply corrective measures.

Check

code

(2 digits)

Check

code

(4 digits)

Trouble

Detected Unit

Remarks

Indoor

Outdoor

Remote

Controller

Ed

0403

Serial communication error

Outdoor unit Multi controller board–Power board

communication trouble

U2

1102

Compressor temperature trouble

Check delay code 1202

UE

1302

High pressure trouble

Check delay code 1402

U7

1500

Superheat due to low discharge temperature trouble

Check delay code 1600

U2

1501

Refrigerant shortage trouble

Check delay code 1601

Closed valve in cooling mode

Check delay code 1501

P6

1503

Indoor HEX freezing protection

EF

1508

4-way valve trouble in heating mode

Check delay code 1608

UF

4100

Compressor current interruption (locked compressor)

Check delay code 4350

Pb

4114

Fan trouble (Indoor)

UP

4210

Compressor overcurrent interruption

U9

4220

Voltage shortage/overvoltage/PAM error/L1open phase/primary

current sensor error/power synchronization signal error

Check delay code 4320

U5

4230

Heat sink temperature trouble

Check delay code 4330

U6

4250

Power module trouble

Check delay code 4350

U8

4400

Fan trouble (Outdoor unit)

Check delay code 4500

U3

5101

Compressor temperature thermistor (TH4) open / short

U4

5102

Suction pipe temperature thermistor (TH6) open / short

U4

5105

Outdoor liquid pipe temperature thermistor (TH3) open/short

Check delay code 1205

U4

5106

Ambient temperature thermistor (TH7) open/short

Check delay code 1221

U4

5109

HIC pipe temperature thermistor (TH2) open/short

Check delay code 1222

U4

5110

Heat sink temperature thermistor (TH8) open/short

Check delay code 1214

F5

5201

High pressure sensor (63HS) trouble

Check delay code 1402

F3

5202

Low pressure sensor (63LS) trouble

Check delay code 1400

UH

5300

Primary current error

Check delay code 4310

A0

6600

Duplex address error

Only M-NET Remote controller is detected.

A2

6602

Transmission processor hardware error

Only M-NET Remote controller is detected.

A3

6603

Transmission bus BUSY error

Only M-NET Remote controller is detected.

A6

6606

Signal communication error with transmission processor

Only M-NET Remote controller is detected.

A7

6607

No ACK error

Only M-NET Remote controller is detected.

A8

6608

No response frame error

Only M-NET Remote controller is detected.

E0/E4

6831

MA communication receive error

Only MA Remote controller is detected.

E3/E5

6832

MA communication send error

Only MA Remote controller is detected.

E3/E5

6833

MA communication send error

Only MA Remote controller is detected.

E0/E4

6834

MA communication receive error

Only MA Remote controller is detected.

EF

7100

Total capacity error

EF

7101

Capacity code error

EF

7102

Connecting excessive number of units and branch boxes

EF

7105

Address setting error

EF

7130

Incompatible unit combination

NOTES:
1. When the outdoor unit detects No ACK error/No response error, an object indoor unit is treated as a stop, and not assumed to be abnormal.
2. The check codes displayed on the units may be different between the error source and others. In that case, please refer to the check code of

error source by displayed attribute and address.

3. Refer to the service manual of indoor unit or remote controller for the detail of error detected in indoor unit or remote controller.

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Содержание PUMY-P200YKM1

Страница 1: ...FICATIONS 9 4 DATA 10 5 OUTLINES AND DIMENSIONS 18 6 WIRING DIAGRAM 19 7 NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION 20 8 TROUBLESHOOTING 38 9 ELECTRICAL WIRING 115 10 REFRIGERANT PIPING TASKS 121 11 DISASSEMBLY PROCEDURE 128 Note This service manual describes technical data of the outdoor units only No OCH634 REVISED EDITION C SPLIT TYPE HEAT PUMP AIR CONDITIONERS July 2019 Revision Some descrip...

Страница 2: ...e rant piping is clean and it has no contaminants such as sulfur oxides dirt shaving particles etc which are hazard to refrigerant cycle In addition use pipes with specified thickness Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc Store the piping indoors and keep both ends of the piping sealed until just before brazing Leave elbow joints etc in their packa...

Страница 3: ... sure to install the unit in a location where the salt will be washed away by rainwater If a sunshade is installed rainwater may not clean the panel 3 To ensure that water does not collect in the base of the outdoor unit make sure that the base is level not at angle Water collecting in the base of the outdoor unit could cause rust 4 If the unit is installed in a coastal area clean the unit with wa...

Страница 4: ...19 05 17 0 22 0 26 0 29 0 17 0 22 0 24 0 27 0 36 0 Nominal dimensions in Flare nut dimensions Outside diameter Dimension B mm R410A R22 mm Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermi...

Страница 5: ...Y P PLFY P PMFY P PEFY P PKFY P PCFY P PFFY P PFFY P PEFY P PDFY GUF 5 15 15VFM E1 15VMS1 L E 15VBM E 20 20VFM E1 20VBM E 20VLMD E 20VBM E 20VMS1 L E 20VMA L E 20VMR E L R 20VBM E 20VLEM E 20VKM E2 20VLRM E 20VLRMM E 20VM E 25 25VFM E1 25VBM E 25VLMD E 25VBM E 25VMS1 L E 25VMA L E 25VMR E L R 25VBM E 25VLEM E 25VKM E2 25VLRM E 25VLRMM E 25VM E 32 32VFM E1 32VBM E 32VLMD E 32VBM E 32VMS1 L E 32VMA ...

Страница 6: ...100 100JA L Q 100KAQ 100BA 100EA Branch box PAC MK51BC B PAC MK31BC B Note A maximum of 2 branch boxes can be connected to 1 outdoor unit Number of branches Indoor unit that can be connected 5 branches MAX 5 units 3 branches MAX 3 units Option Optional accessories of indoor units and outdoor units are available 2 branch pipe joint Optional parts In case of using 1 branch box No need In case of usi...

Страница 7: ...the units that can be connected to each branch box is 20 2 kW Branching pipe components CMY Y62 G E CMY Y64 G E CMY Y68 G E Branch box Number of branches PAC MK51BC B PAC MK31BC B Branch header 2 branches Branch header 4 branches Branch header 8 branches 5 branches MAX 5 units 3 branches MAX 3 units CITY MULTI indoor units 2 M series S series P series indoor units 2 MA remote controller MA remote ...

Страница 8: ...Temperature W B Wet Bulb Temperature 10 to 52 C D B When connecting PKFY P15 P20 P25VBM PFFY P20 25 32VKM PFFY P20 25 32VLE R M PEFY P40 63VMA3 E and M series S series and P series type indoor unit Service Ref PUMY P200YKM1 PUMY P200YKM1 BS Capacity Cooling kW 22 4 Heating kW 25 0 Compressor kW 5 4 Cooling Heating Indoor side intake air temperature W B 15 to 24 C D B 15 to 27 C Outdoor side intake...

Страница 9: ...7 8 1 1 External dimension HxWxD mm 1338 1050 x 330 25 inch 52 11 16 41 11 32 13 1 Protection devices High pressure protection High pressure Switch Inverter circuit COMP FAN Overcurrent detection Overheat detection Heat sink thermistor Compressor Compressor thermistor Over current detection Fan motor Overheating Voltage protection Refrigerant Type original charge R410A 7 3 kg Control Electronic Ex...

Страница 10: ...sential load 18 0kW the maximum system capacity is 18 7 kW Proper outdoor units have been selected 8 Calculation of Maximum Indoor Unit Capacity of Each Room CTx CTo thus calculate by the calculation below Room1 Maximum Capacity Room1 Capacity after the Temperature Correction Room1 2 Total Capacity after the Temperature Correction 18 7 9 0 1 03 9 0 1 03 11 2 0 90 9 0 kW OK fulfills the load 8 0 kW...

Страница 11: ...rection 2ºC 1 0 Refer to Figure 5 Piping Length Correction 30 m 0 93 Refer to Figure 6 Defrost Correction 0 97 Refer to Table 1 Total Outdoor Unit Capacity CTo CTo Outdoor Unit Rating Outdoor Design Temperature Correction Piping Length Correction Defrost Correction 25 0 1 0 0 93 0 97 22 6 kW 6 Determination of Maximum System Capacity Comparison of Capacity between Total Indoor Units Capacity CTi a...

Страница 12: ...rature C D B Indoor Temperature 15 0 10 0 5 0 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 52 0 0 0 0 2 0 4 0 6 0 8 1 0 1 2 16 C W B 18 C W B 19 C W B 20 C W B 22 C W B 24 C W B CITY MULTI have varied capacity at different designing temperature Using the nominal cooling heating capacity value and the ratio below the capacity can be observed at various temperature Figure 7 Indoor unit tempe...

Страница 13: ...5 0 0 0 5 0 10 0 15 0 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 Ratio of power input Outdoor Temperature C W B Indoor Temperature 20 0 15 0 10 0 5 0 0 0 5 0 10 0 15 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 25 C D B 15 C D B 20 C D B Figure 9 Indoor unit temperature correction To be used to correct indoor unit capacity only Figure 10 Outdoor unit temperature correction To be used to correct outdoor unit capacity only H...

Страница 14: ...ooling 0 0 5 0 10 0 15 0 20 0 25 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 0 0 2 0 4 0 6 0 8 0 10 0 12 0 380V 400V 415V Capacity kW Total capacity of indoor units kW Total capacity of indoor unit...

Страница 15: ... 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 0 30 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 0 0 2 0 4 0 6 0 8 0 10 0 12 0 0 0 5 0 10 0 15 0 20 0 25 0 30 0 380V 400V 415V Capacity kW Total capacity of indoor units kW Total capacity of indoor units kW Input kW Current A Total capacity of indoor units kW ...

Страница 16: ...quivalent Piping Length Equivalent length for type P200 length of piping to farthest indoor unit 0 3 number of bends in the piping m 4 4 1 Correction of Heating Capacity for Frost and Defrosting If heating capacity has been reduced due to frost formation or defrosting multiply the capacity by the appropriate correction factor from the following table to obtain the actual heating capacity Correctio...

Страница 17: ... ture Indoor DB WB 27 C 19 C 20 C Outdoor 35 C 7 C 6 C Indoor unit No of connected units Unit 8 No of units in operation 8 Model 25 7 50 1 Piping Main pipe m 5 Branch pipe 2 5 Total pipe length 25 Fan speed Hi Amount of refrigerant kg 11 0 Outdoor unit Electric current A 10 03 9 89 Voltage V 230 400 Compressor frequency Hz 71 86 LEV opening Indoor unit Pulse 220 300 Pressure High pressure Low pres...

Страница 18: ...RING DIRECTIONS 3 FOUNDATION BOLTS 2 SERVICE SPACE 1 FREE SPACE Around the unit Please secure the unit firmly with 4 foundation M10 W3 8 bolts Bolts and washers must be purchased locally Dimensions of space needed for service access are shown in the below diagram The diagram below shows a basic example Explanation of particular details are given in the installation manuals etc Foundation bolt heig...

Страница 19: ...19 OCH634C 6 WIRING DIAGRAM PUMY P200YKM1 PUMY P200YKM1 BS ...

Страница 20: ...1 2 3 4 5 6 SW1 ON 1 2 3 4 5 6 CITY MULTI Indoor unit 009 CITY MULTI Indoor unit 010 MA remote controller CITY MULTI 001 050 For centralized management 061 Outdoor unit For Branch box CITY MULTI indoor unit 0 1 2 3 4 5 6 7 8 9 Address SW CITY MULTI Indoor unit 011 CITY MULTI Indoor unit 012 CITY MULTI Indoor unit 013 CITY MULTI Indoor unit 014 CITY MULTI Indoor unit 015 111 161 MA remote controlle...

Страница 21: ...ds Note The above steps are the same when making group settings A Changing to the linked operation unit address display state The display shown in Figure 4 will appear when the a button on the remote control is pressed Displaying the address of the Lossnay unit and linked indoor unit In this situation the indoor unit number will be the lowest address of the group The Lossnay unit will not operate ...

Страница 22: ...completing the check Simultaneously press the FILTER and k buttons on the remote controller and hold for 2 seconds to return to the normal mode 3 Clearing an address Refer to section 1 regarding the address entry and section 2 regarding checking addresses a In making group settings Turn off the remote controller The procedure is the same as described in a under 2 Address check Put in the indoor un...

Страница 23: ...efrigerant gas pipe Strainer Strainer Strainer Capillary tube LEV B Strainer Strainer Service port Refrigerant liquid pipe Stop valve Strainer Strainer Note When connecting the CONNECTION KIT PAC LV11M J and an M series indoor unit refer to the installation manual for the CONNECTION KIT Refrigerant piping specifications dimensions of flared connector Item Capacity Liquid piping Gas piping Indoor u...

Страница 24: ... indoor unit Indoor unit type kW 15 42 50 60 71 BTU 09 13 18 24 26 Pipe size ømm Liquid ø6 35 ø6 35 ø9 52 Gas ø9 52 ø12 7 ø15 88 ø15 88 Pipe size Branch box Indoor unit Case of P series indoor unit Indoor unit type kW 35 50 60 100 BTU 18 24 30 Pipe size ømm Liquid ø6 35 ø9 52 Gas ø12 7 ø15 88 Note When using 35 50 type indoor unit of P series use the flare nut attached to the indoor unit Do not us...

Страница 25: ...ge or even a pipe extraction may occur 2 branch joint CMY Y62 G E 4 branch header CMY Y64 G E 8 branch header CMY Y68 G E Different diameter joint optional parts Model name Connected pipes diameter Diameter A Diameter B mm mm mm MAC A454JP ø9 52 ø12 7 ø9 52 ø12 7 MAC A455JP ø12 7 ø9 52 ø12 7 ø9 52 MAC A456JP ø12 7 ø15 88 ø12 7 ø15 88 PAC 493PI ø6 35 ø9 52 ø6 35 ø9 52 PAC SG76RJ E ø9 52 ø15 88 ø9 5...

Страница 26: ...it IC Outdoor unit OC Range 001 to 050 051 to 100 101 to 150 151 to 200 Setting Method Use the smallest address of all the indoor units plus 50 Indoor unit address plus 100 Indoor unit address plus 150 a Same as above a b Connect terminals M1 and M2 on transmission cable terminal block TB5 of the IC main unit with the most recent address within the same indoor unit IC group to terminal block TB6 o...

Страница 27: ... unit The remote controller address is the indoor unit main address plus 100 In this case it should be 101 M NET remote controller RC and MA remote controller MA cannot be used together Do not connect anything with TB15 of indoor unit IC Name Symbol Maximum units for connection Outdoor unit OC Indoor unit IC 1 OC unit can be connected to 1 to 12 IC units M NET remote controller RC Maximum 2 RC for...

Страница 28: ...ermi nal S on the power supply unit with the earth g Set the address setting switch as follows h The group setting operations among the multiple indoor units is done by the remote controller RC after the electrical power has been turned on Unit Range Setting Method IC Main 01 to 00 Use the smallest address within the same group of indoor units IC Sub 01 to 50 Use an address other than the IC Main ...

Страница 29: ...ether the terminal blocks TB5 for transmission wires for indoor units IC that have been connected to different outdoor units OC Set all addresses to ensure that they are not overlapped M NET remote controller and MA remote controller cannot be connected with the indoor unit of the same group wiring together A B C E D IC 51 TB5 01 IC TB5 03 IC TB5 02 IC TB5 04 IC TB5 05 IC TB5 07 IC TB5 06 101 105 ...

Страница 30: ...controllers connect terminals 1 and 2 on transmission cable terminal block TB15 for each indoor unit with the terminal block for 2 remote controllers Set either one of the MA remote controllers to sub remote controller Refer to the installation manual of MA remote con troller a The same as above a b The same as above b c Connect terminals 1 and 2 on transmission cable terminal block TB15 of each i...

Страница 31: ...t be used together with the indoor unit of the same group 3 MA remote controllers or more cannot be connected with the indoor unit of the same group The second MA remote controller is connected with the terminal block TB15 for the MA remote controller of the same indoor unit IC as the first remote control NO MA RC 00 IC 00 OC MA RC 00 IC TB5 1 2 TB15 A B M1M2 TB3 S TB7 TB5 TB15 M1M2 S M1M2 S 1 2 M...

Страница 32: ...one by the remote controller RC after the electri cal power has been turned on i When connecting PWFY unit For PWFY series do not set up group connection with other indoor units LOSSNAY is not available for use with PWFY series Use a WMA remote controller for operation of PWFY series For more details refer to the service manual for PWFY series Unit Range Setting Method IC Main 01 to 00 Use the sma...

Страница 33: ...2 L6 L7 500 m 1 25 E more Longest transmission cable length M NET cable L1 and L3 L4 and L2 L6 and L7 200 m 1 25 E or more Remote controller cable length m1 and m1 m2 m3 and m1 m2 m3 m4 200 m 0 3 to 1 25 E A Group B Group C Group D Shielded Wire E Sub Remote Controller Address example A B C E IC 51 TB5 TB15 TB15 TB15 TB15 MA RC 01 IC TB5 03 IC TB5 02 IC TB5 04 IC 05 IC TB5 07 IC 06 MA RC OC 53 OC ...

Страница 34: ... supply unit to the earth g Set the address setting switch as follows Unit Range Setting Method A IC 01 to 50 According to the set address of connected Branch Box set the A IC addresses sequentially by SW1 on Branch Box For example when setting the Branch Box address to 01 A IC addresses set 02 03 04 and 05 Branch Box 01 to 50 Use a number within the range 1 50 but it should not make the highest a...

Страница 35: ...TB3 M1M2 S M1M2 S M1M2 TB3A A IC 01 02 03 04 MA RC WL RC WL RC WL RC M NET RC 101 05 06 07 08 S1 S2 S3 TB S1 S2 TB5 TB15 1 2 A B A B A B A A B B 1 2 1 2 1 2 1 2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB3B S1 S2 S3 TB3C S1 S2 S3 TB3D S1 S2 S3 TB3E S1 S2 S3 TB3A S1 S2 S3 TB3B S1 S2 S3 TB3C S1 S2 S3 M1 M2 S TB5 M1 M2 S TB5 L 01 06 2 Branch Box A A Branc...

Страница 36: ...r supply unit to the earth g Set the address setting switch as follows Unit Range Setting Method M IC 01 to 50 A IC 01 to 50 According to the set address of connected Branch Box set the A IC addresses sequentially by SW1 SW11 SW12 on Branch Box For example when the Branch Box address is set to 01 set the A IC addresses to 01 02 03 04 and 05 Branch Box 01 to 50 Use a number within the range 1 50 bu...

Страница 37: ... MA RC WL RC WL RC 05 A IC 06 A IC 07 A IC 08 S1 S2 S3 TB S1 S2 TB5 TB15 1 2 A B A B A B A B 1 2 1 2 1 2 1 2 MA RC A B 1 2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB S1 S2 S3 TB3B S1 S2 S3 TB3C S1 S2 S3 TB3D S1 S2 S3 TB3E S1 S2 S3 TB3A S1 S2 S3 TB3B S1 S2 S3 TB3C S1 S2 S3 M1 M2 S TB5 M1 M2 S TB5 L2 A A A M IC 09 M IC 10 TB5 M1 M2 1 2 1 2 S TB5 M1 M2 S L3 L4 Power...

Страница 38: ...ntrol systems into remote controller s Never touch the on off switch of the remote controller s Refer to 7 2 Special Function Operation and Settings for M NET Remote Controller as for settings In MA remote controller s this registration is unnecessary 4 More than 12 hours later from power supply to the outdoor unit turn all power switch to on for the test run Perform test run according to the Oper...

Страница 39: ...l mode Check the cold air blow off Heat mode Check the heat blow off Press the F1 button to go through the operation modes in the order of Cool and Heat Check the auto vane with the F1 F2 buttons Press the button to return to Test run operation Press the button When the test run is completed the Test run menu screen will appear The test run will stop automatically after 2 hours The function is ava...

Страница 40: ... thermistor TH7 open short Check delay code 1221 U4 5109 HIC pipe temperature thermistor TH2 open short Check delay code 1222 U4 5110 Heat sink temperature thermistor TH8 open short Check delay code 1214 F5 5201 High pressure sensor 63HS trouble Check delay code 1402 F3 5202 Low pressure sensor 63LS trouble Check delay code 1400 UH 5300 Primary current error Check delay code 4310 A0 6600 Duplex ad...

Страница 41: ...F before connecting disconnecting any connectors or replacing boards Diagnosis Remedy Serial communication error 0403 Ed No Yes 41 OCH634C 8 1 3 SELF DIAGNOSIS ACTION BY FLOWCHART Are they connected normally Check the connection of the communication line CN2 and CN4 between the outdoor controller board and power board Connect the CN2 and CN4 properly Replace them in case of a breakage The communic...

Страница 42: ...rant shortage while in heating operation Refrigerant liquid accumulation in compressor while indoor unit is OFF thermo OFF Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy ed 1102 U2 Compressor temperature trouble Yes Yes No Yes Yes No No No 42 OCH634C Is 5101 displayed when restarted Is the outdoor stop valve ...

Страница 43: ...age Is the voltage normal value Is it free from any trace of over heating or burning Is the resistance detected Is the resistance detected Check the voltage and appearance of the outdoor controller board Disconnect the thermistor wiring to check the resistance Disconnect the indoor LEV wiring and check the resistance Replace the outdoor controller board Replace the thermistor Replace the indoor LE...

Страница 44: ...ed filter or dirt on indoor unit Malfunction or locked indoor fan motor Decreased airflow caused by defective inspection of outdoor temperature thermistor It detects lower temperature than actual temperature Indoor LEV performance failure Malfunction of fan driving circuit SV1 performance failure Defective high pressure sensor Defective high pressure sensor input circuit on outdoor controller boar...

Страница 45: ...ed Clean the filter Clogged filter No clog Continued from the previous page Is there dirt on the indoor heat exchanger Is the outdoor unit short cycled Is there dirt on the outdoor heat exchanger Are the pipes clogged or broken Wash the indoor heat exchanger Solve the short cycle Wash the outdoor heat exchanger Correct defective pipes dirty dirty short cycled no dirt no dirt no short cycle Continu...

Страница 46: ...om any trace of over heating or burning Replace the indoor controller board Check the voltage and appearance of the indoor controller board Check the resistance of SV1 Chart 3 of 4 No No Yes Yes Yes 46 OCH634C Continued from the previous page Is the resistance detected Is the resistance detected Replace the TH7 Replace the indoor LEV Disconnect the indoor LEV wiring to check the resistance Continu...

Страница 47: ...of 4 No No Yes 47 OCH634C For the voltage refer to 8 8 HOW TO CHECK THE COMPONENTS Continued from the previous page Is the voltage detected Replace the SV1 Replace the 63HS Replace the outdoor controller board Yes No Is the connector for outdoor controller board 63H disconnected or loose Reconnect the connector or connect it tightly Check the 63HS voltage Is the resistance detected Yes ...

Страница 48: ...H4 Defective holder of TH4 Disconnection of LEV coil Disconnection of LEV connector LEV performance failure Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy Chart 1 of 2 0 32 F 700 k 10 50 F 410 k 20 68 F 250 k 30 86 F 160 k 40 104 F 104 k No Yes No Yes No Yes 48 OCH634C Is the TH4 wiring disconnected Is the re...

Страница 49: ...ance detected Replace the indoor LEV No No Yes Yes No Yes 49 OCH634C Continued from the previous page Is the voltage normal Is it free from any trace of over heating or burning Is the voltage detected Replace the indoor controller board Replace the 63HS Replace the outdoor controller board Check the voltage and appearance of the indoor controller board Check the 63HS voltage For the voltage refer ...

Страница 50: ...rmistor Defective outdoor controller board Indoor LEV performance failure Gas leakage or shortage Defective 63HS TH3 Thermistor Outdoor liquid pipe TH7 Thermistor Ambient LEV Electronic expansion valve 63HS High pressure sensor Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy Chart 1 of 2 Yes No No No No Yes Ye...

Страница 51: ...o 51 OCH634C Continued from the previous page Is the voltage detected Is the voltage normal value Is it free from any trace of over heating or burning Is the resistance detected Replace the outdoor controller board Replace the 63HS Replace the indoor LEV Replace the indoor controller board Check the 63HS voltage Check the voltage and appearance of the outdoor controller board Disconnect the indoor...

Страница 52: ... Malfunction of outdoor LEV LEV A blockage TH21 Indoor intake temperature thermistor RT11 or TH1 TH22 Indoor liquid pipe temperature thermistor RT13 or TH2 TH23 Branch box gas pipe temperature thermistor TH A to E LEV Electronic expansion valve Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy v Is the outdoor s...

Страница 53: ...it and branch box Miswiring between indoor unit and branch box Miswiring of LEV in branch box Malfunction of LEV in branch box Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 1503 P6 Indoor HEX freezing protection No Yes Connect the piping and wiring to the same port No Is the resistance detected Connect the L...

Страница 54: ...21 Indoor intake temperature thermistor RT11 or TH1 TH22 Indoor liquid pipe temperature thermistor RT13 or TH2 TH23 Branch box gas pipe temperature thermistor TH A to E Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy Is the connector for outdoor multi controller circuit board or 4 way valve coil disconnected o...

Страница 55: ...necting disconnecting any connectors or replacing boards Diagnosis Remedy 4100 UF Compressor current interruption Locked compressor Chart 1 of 2 Yes Yes Yes No No No 55 OCH634C Is the stop valve liquid gas fully open Is the power supply voltage normal Is it connected properly Open the stop valve liquid gas fully Ensure power supply from the facility Connect the wiring properly then turn the power ...

Страница 56: ...lacing boards Diagnosis Remedy Chart 2 of 2 Yes Yes No No 56 OCH634C Are they set properly Is the compressor faultily grounded Set the model selection switch correctly then restart Replace the compressor Defective compressor Replace the outdoor power board Defective outdoor power board Check whether the compressor is faultily grounded or not Continued from the previous page ...

Страница 57: ...board Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 4210 UP Compressor overcurrent interruption Chart 1 of 2 Yes Yes Yes No No No 57 OCH634C Is the stop valve liquid gas fully open Is the power supply voltage normal Are they set properly Open the stop valve liquid gas fully Check the power supply facility ch...

Страница 58: ...normally Are those units short cycled Are the voltage among the phases U V V W and W U different Does it operate normally Check the DC fan motor Remove factor s causing the short cycle Replace the compressor Replace the outdoor power board Complete Check the operation of indoor outdoor fan motors Check for indoor outdoor short cycle Disconnect the compressor wiring from the outdoor power board the...

Страница 59: ...he black square indicates a switch position Chart 1 of 2 No No No No No Yes Yes Yes Yes Yes 6 3 7 8 59 OCH634C Is there any abnormality on wirings Which sub code is displayed Does a DC bus voltage raise to approx 350 V at PAM driving Is there any abnormality on PAM wirings Is there any abnormality at the PAM circuit on the outdoor power circuit board Is there any abnormality at the PAM power suppl...

Страница 60: ...Is the bus voltage normal The difference of the voltage between the one read by the LED1 and 2 and the one at the testpoints listed above is large Decrease of power supply voltage L1 open phase Replace the outdoor power circuit board Defective outdoor power circuit board Replace the outdoor power circuit board Trouble of an input current detection circuit is suspected Check the power supply facili...

Страница 61: ... temperature trouble 0 32 F 180 kΩ 25 77 F 50 kΩ 50 122 F 17 kΩ 70 158 F 8 kΩ 90 194 F 4 kΩ No Yes No No Yes Yes No No Yes Yes 61 OCH634C Is 5110 displayed when restarted Does the fan rotate during compressor operation Is there any obstacle which blocks an airflow around the heat sink Is there any abnormality such as disconnection looseness or breakage Is the resistance normal Refer to the diagnos...

Страница 62: ...ors or replacing boards Diagnosis Remedy 4250 U6 Power module trouble Yes Yes Yes Yes Yes No No No No 62 OCH634C Is the stop valve liquid gas fully open Is the power supply voltage normal Are the wirings normal Does it operate normally Open the stop valve liquid gas fully Ensure power supply from facility Connect the compressor wiring U V and W phase properly then turn the power back ON Replace th...

Страница 63: ...r 8 7 No No Yes Yes Yes No 63 OCH634C Has the fuse melted Is there any abnormality such as disconnection looseness or breakage Is the voltage normal Replace the outdoor multi controller circuit board Replace the defective fan motor Connect the wiring connector properly Replace it in case of breakage Replace the outdoor multi controller circuit board Replace the defective fan motor Check the fuse o...

Страница 64: ...erature thermistor TH4 open short The black square indicates a switch position Detected in outdoor unit No Yes Yes Yes No No 64 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace the connector in case of breakage Replace the thermistor Replace the outdoor mul...

Страница 65: ...e temperature thermistor TH6 open short The black square indicates a switch position Detected in outdoor unit 5102 U4 No Yes Yes Yes No No 65 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of breakage Replace the thermistor Replace the outdoor ...

Страница 66: ...y 5105 U4 Outdoor liquid pipe temperature thermistor TH3 open short The black square indicates a switch position SW1 Setting ON OFF Display on LED1 2 Unit 99 9 999 9 4 1 2 5 6 7 8 3 No Yes Yes Yes No No 66 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it...

Страница 67: ...9 9 4 1 2 5 6 7 8 3 No Yes Yes Yes No No 67 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of breakage Replace the thermistor Replace the outdoor multi controller circuit board Malfunction of thermistor circuit No abnormality A connector contac...

Страница 68: ...position No Yes Yes Yes No No 68 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of breakage Replace the thermistor Replace the outdoor multi controller circuit board Malfunction of thermistor circuit No abnormality A connector contact failure i...

Страница 69: ... 999 9 No Yes Yes Yes No No Yes No 69 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of breakage Replace the thermistor Replace the outdoor multi controller circuit board Malfunction of thermistor circuit No abnormality A connector contact fail...

Страница 70: ...n outdoor multi controller circuit board Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy The black square indicates a switch position 63HS High pressure sensor SW1 Setting ON OFF Display on LED1 2 Unit 99 9 999 9 kgf F PSIG 4 1 2 5 6 7 8 3 No Yes Yes No No 70 OCH634C Is there any abnormality such as disconnect...

Страница 71: ...turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy h The black square indicates a switch position 63LS Low pressure sensor No Yes Yes No No 71 OCH634C Is there any abnormality such as disconnection looseness or breakage Is the detected internal pressure normal Is the detected pressure normal Connect the wiring connector properly Replace it in cas...

Страница 72: ...FF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy No No Yes Yes 72 OCH634C Does it satisfy the condition 1 in the lower right Is there any abnormality such as disconnection or looseness The power supply voltage is decreased or abnormal Check the power supply facility Connect the compressor wiring properly Replace the outdoor power circuit board Malfunction of c...

Страница 73: ...s or replacing boards Diagnosis Remedy 6600 A0 Duplex address error No Yes Yes No 73 OCH634C Is there any unit with the same address Does it operate normally Correct the address and turn the power OFF of indoor outdoor unit Fresh Master or Lossnay simultaneously for 2 minutes or more then turn the power back ON Malfunction of sending receiving circuit on indoor outdoor unit is suspected There is n...

Страница 74: ...s of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 6602 A2 Transmission processor hardware error Yes Yes No No 74 OCH634C A wiring work was performed while the power OFF Does it operate normally If the wiring work was performed while the power ON turn the power OFF of indoor outdoor unit Fresh Master or Lossnay simultane...

Страница 75: ...ansmission from to control system and centralized control system Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 6603 A3 Transmission bus BUSY error No Yes Yes Yes No No 75 OCH634C Is the transmission line miswired Is the transmission line miswired Does it operate normally Correct the wiring then turn the powe...

Страница 76: ...sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 6606 A6 Signal communication error with transmission processor Yes No 76 OCH634C Does it operate normally Replace the controller Defect of error source controller There is no abnormality on the AC unit It might be caused by an external noise so check the transmission line to remove the fa...

Страница 77: ...t Malfunction of sending receiving circuit on indoor outdoor unit The cause of displayed address and attribute is on the indoor unit side An abnormality detected by the remote controller if receiving no ACK when sending data from the remote controller to the indoor unit While operating with multi refrigerant system indoor units an abnormality is detected when the indoor unit transmit signal to the...

Страница 78: ...abnormality detected by the indoor unit if receiving no ACK when the indoor unit transmit signal to the Lossnay An abnormality is detected when the indoor unit transmits signal to Lossnay while the Lossnay is turned OFF While the indoor unit is operating with the other refrigerant Lossnay an abnormality is detected when the indoor unit transmits signal to the Lossnay while the outdoor unit with th...

Страница 79: ...hen perform the procedure 1 Connect the transmission line properly then perform the procedure 1 Is the abnormality replicated Is it set properly There is no abnormality on the AC unit It might be caused by an external noise so check the transmission line to remove the factor s Set the address properly then perform the procedure 1 Check the address switch on the source of abnormality Check the tran...

Страница 80: ...ion Replace the controller board which the displayed address attribute belongs to Continued from the previous page Defective outdoor controller board repeater circuit on the outdoor unit is suspected Replace the outdoor controller board one by one then check for normal operation Delete the unnecessary address using a manual setting function on the remote controller Only for operating in a system w...

Страница 81: ...lacing boards Diagnosis Remedy No response frame error Yes Yes Yes Yes No No No No 81 OCH634C Does it operate normally The transmission line is connected properly It is not exceeding the tolerance Is correct kind of transmission line used Replace the controller board Defect of the controller which the displayed address attribute belong to Connect the transmission line properly Correct it within th...

Страница 82: ...troller transmitting error caused by noise interference Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy Check the remote controller for main sub setting Conduct the Remote Controller Diagnosis 2 or more times Is RC NG displayed Turn the power back ON No Is RC 6832 or ERC01 ERC66 displayed No abnormality It mig...

Страница 83: ...receive error Chart 2 of 2 No abnormality It might be caused by an external noise so check the transmission line to remove the factor s No Yes 83 OCH634C Is the wiring connected properly meeting the condition Connect the wiring properly as specified in the chapter Electrical Work in the indoor unit Installation Manual Refer to the chapter Electrical Work Continued from the previous page ...

Страница 84: ...nosis more than 2 times No No Is the check code 6832 or 6833 still displayed Is there only 1 remote controller set as the main controller Set one remote controller to main remote controller and the other to sub Disconnect and reconnect the connector CN3A then turn the power back ON Note It takes 6 seconds at maximum until the result is displayed No abnormality A connector or wiring contact failure...

Страница 85: ... send error Chart 2 of 2 No abnormality It might be caused by an external noise so check the transmission line to remove the factor s No Yes Is the wiring connected properly meeting the condition Connect the wiring properly as specified in the chapter Electrical Work in the indoor unit Installation Manual Refer to the chapter Electrical Work Continued from the previous page 85 OCH634C ...

Страница 86: ...power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 7100 EF Total capacity error No Yes Yes No No Yes 86 OCH634C Is it set properly Is it set properly Is the total under 130 of the number of outdoor unit model name Check the capacity code switch SW2 on the indoor controller board on the connected indoor unit Check the model selection switch SW4 on the outd...

Страница 87: ...40 When connecting via branch box P15 to P100 model code 3 to 20 Diagnosis of defects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 7101 EF Capacity code error Yes No 87 OCH634C Is it set properly Set the switch properly The model code of the connected indoor unit can be displayed by an operation of SW1 on the outdoor unit Check...

Страница 88: ...fects Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 7102 EF Connecting excessive number of units and branch boxes Yes No No Yes 88 OCH634C Is an indoor unit connected Does it exceed the limit Connect indoor unit Connect less number of units and branch boxes than the limit The model code of the connected indoor unit can be displa...

Страница 89: ...e the indoor controller board Check whether the indoor unit address is set in 00 or in the range of 01 to 50 Branch box Yes No Is the address setting correct Set the address properly then turn the power OFF of indoor outdoor unit Fresh Master Lossnay and remote controller simultaneously for 2 minutes or more and turn the power back ON Replace the branch box controller board Check whether the branc...

Страница 90: ...r Lossnay and remote controller simultaneously for 2 minutes or more and turn the power back ON Replace the M NET RC sub Check whether the M NET RC sub address is set in 000 or in the range of 151 to 200 Yes No Is the address setting correct Set the address properly then turn the power OFF of indoor outdoor unit Fresh Master Lossnay and remote controller simultaneously for 2 minutes or more and tu...

Страница 91: ...connecting disconnecting any connectors or replacing boards Diagnosis Remedy 7130 EF Incompatible unit combination error No Is the indoor unit authorized to connect with the outdoor unit Replace the indoor unit s to the connectable one Refer to the service manual of the outdoor unit or the connected indoor unit for the authorized combination Yes No Yes Check whether the model selection switch is s...

Страница 92: ...ller s transmitting receiv ing circuit is defective The remote controller must be replaced with a new one Where the remote controller is not defective but cannot be operated Error display 2 E3 6833 or 6832 flashes Transmissionisnotpossible There might be noise or interference on the transmission path or the indoor unit or other remote controllers are defective Check the transmission path and other...

Страница 93: ... appear on the remote controller display if the correct voltage 8 5 12 V DC is not supplied to the remote control ler If this is the case check the remote controller wiring and indoor units OK No problems are found with the remote controller Check other parts for problems E3 6832 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmissio...

Страница 94: ...hod and solution Though the content of operation is displayed on the remote controller some indoor units do not operate is not displayed on the remote controller MA remote controller is not fed PLEASE WAIT keeps being dis played or it is displayed periodically PLEASE WAIT is usually dis played about 3 minutes after the power supply of the outdoor unit is on The remote controller does not operate t...

Страница 95: ...ure at thermostat ON Fan stops during heating operation Defrost The fan stops during defrosting Fan does not stop while operation has been stopped Light out Fan runs for 1 minute after stopping to exhaust residual heat only in heating No setting of fan while start SW has been turned on STAND BY Ultra low speed operation for 5 minutes after SW ON or until piping temperature reaches 35 C Then low sp...

Страница 96: ... open Outdoor fan step Fixed to 10 Please refer to a section referring to the pumping down on outdoor units Installation Manuals It might not be possible to collect all the refrigerant if the amount is excessive 5 6 SW3 Trial operation 1 ON OFF from outdoor unit ON OFF Any time after the power is turned ON Initial settings 1 ON OFF 2 2 Mode setting Heating Cooling SW4 SW8 Model Switch 1 6 MODEL SE...

Страница 97: ... PDm higher during HEAT operation Power consumption is raised due to a higher frequency The performance would not be raise at the maximum operating frequency 7 Switching 1 the target evaporation temperature ETm Enable Normal To raise reduce the performance by changing the target ETm during COOL operation Switch to raise the performance raises the performance Switch to reduce the performance preven...

Страница 98: ...t mode operation Outdoor controller board SW9 2 SW1 SW2 Function Demand control OFF ON ON OFF ON OFF OFF ON OFF ON ON 100 75 50 0 Normal Stop A Distant control board B Relay circuit C External output adapter PAC SA88HA E D Outdoor unit control board A Remote control panel B Relay circuit C External input adapter PAC SC36NA E D Outdoor unit control board E Relay power supply F Procure locally G Max...

Страница 99: ... with a tester At the ambient temperature 20 Normal 1182 5 83 Abnormal Open or short Solenoid valve coil Bypass valve SV1 Refer to the next page Fan motor MF1 MF2 Measure the resistance between the terminals with a tester Winding temperature 20 W V U TH8 is internal thermistor of power module Normal 1725 172 5 Abnormal Open or short Normal Abnormal Open or short 0 305 0 015 Normal Gray Black Gray ...

Страница 100: ...340 V DC TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 V DC No Fail Fail Wiring contact check Contact of fan motor connector CNF1 2 Fuse check Check the fuse F500 on outdoor multi controller circuit board Correct the wiring Replace the outdoor multi controller circuit board Replace the outdoor multi controller circuit board MULTI B C B and the defective fan motor Replace the outdoor...

Страница 101: ...k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 20 250 k 30 160 k 40 104 k 50 70 k 60 48 k 70 34 k 80 24 k 90 17 5 k 100 13 0 k 110 9 8 k High temperature thermistor Thermistor Compressor TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 500 400 300 200 100 0 25 50 75 100 120 Temperature Resistance k 0 180 k 25 50 k 50 17 k 70 8 k 90 4 k Thermistor R50 17 k 2 B constant 417...

Страница 102: ...ressure on the self diagnosis LED1 2 1 When the pressure displayed on self diagnosis LED1 2 is between 0 and 0 098 MPaG 14 PSIG the high pressure sen sor has a problem 2 When the pressure displayed on self diagnosis LED1 2 is approximately 5 0 MPaG 725 PSIG the control board has a problem 4 Remove the high pressure sensor from the control board and short circuit between the pin 2 and pin 3 connect...

Страница 103: ... the self diagnosis LED1 2 is between 0 and 0 098 MPaG 14 PSIG the low pressure sensor has a problem 2 When the pressure displayed on self diagnosis LED1 2 is approximately 1 7 MPaG 247 PSIG the control board has a problem 4 Remove the low pressure sensor from the control board and short circuit between the pin 2 and pin 3 connectors 63LS to check the pressure with the self diagnosis LED1 2 1 When...

Страница 104: ... V DC Same as CNF1 2 5 4 VSP Voltage between pins of C515 and C516 0 V DC when stopped 1 6 5 V DC when operated Same as CNF1 2 6 4 CNF1 2 Connect to fan motors 1 4 310 340 V DC 5 4 15 V DC 6 4 0 6 5 V DC 7 4 15 V DC when stopped 0 15 V DC pulse when operated VDC TEST POINT1 Voltage between pins of C510 310 340 V DC Same as CNF1 2 1 4 VFG TEST POINT4 Voltage between pin3 and pin4 of PC511 or PC512 ...

Страница 105: ...ect to the outdoor noise filter circuit board CNCT CN4 Connect to the out door multi controller circuit board CN4 CN2 Connect to the outdoor multi controller circuit board CN2 1 5 Power circuit board Transmitting signal to the outdoor multi controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 Not used 6 5 16 V DC 7 5 16 V DC TB U TB V TB W Connect to the compressor MC Voltage among...

Страница 106: ...oard CN2 Connect to the outdoor multi controller circuit board 1 2 24 30 V DC 3 4 24 30 V DC CN1 Connect to the outdoor noise filter circuit board 1 3 220 240 V AC TB1 Connect to the electrical parts box PUMY P200YKM1 PUMY P200YKM1 BS ...

Страница 107: ...it board CNAC CNDC Connect to the outdoor multi controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 380 400 415 V AC OUTPUT Connect to the outdoor power circuit board and ACL TB L1 TB L2 TB L3 CNCT Primary current Connect to the outdoor power circuit board CN5 CNL Connect to the ACL4 CNAC1 220 230 240 V AC Connect to the outdoor M NET power circuit board CN1 GD3 Connect ...

Страница 108: ... rotation frequency abnormality delay TH7 abnormality delay TH8 abnormality delay Display all abnormalities remaining in abnormality delay 9 10010000 Abnormality delay history 2 Heat sink overheating delay Compressor over current interception delay Voltage abnormality delay Insufficient refrigerant amount abnormality delay Current sensor primary current abnormality delay 63LS abnormality delay 63H...

Страница 109: ...d decrease prevention Min Sj correction depends on Td Min Sj correction depends on Shd LEV opening correction depends on Pd LEV opening correction depends on Td Correction of high compression ratio prevention Display active LEV control 47 11110100 State of compressor frequency control 1 Condensing temperature limit control Compressor temperature control Discharge temp heating backup control Pd abn...

Страница 110: ...ency 0 255 Hz Display of actual operating frequency 65 10000010 Target frequency 0 255 Hz Display of target frequency 66 01000010 Outdoor fan control step number 0 15 Display of number of outdoor fan control steps target 69 10100010 IC1 LEV Opening pulse 0 2000 pulse Display of opening pulse of indoor LEV 70 01100010 IC2 LEV Opening pulse 71 11100010 IC3 LEV Opening pulse 72 00010010 IC4 LEV Openi...

Страница 111: ...t indoor SC SH IC1 SCm SHm 0 0 20 0 109 10110110 Target indoor SC SH IC2 110 01110110 Target indoor SC SH IC3 111 11110110 Target indoor SC SH IC4 112 00001110 Target indoor SC SH IC5 113 10001110 Indoor unit check status IC9 12 No 9 unit check No 10 unit check No 11 unit check No 12 unit check Light on at time of abnormality 114 01001110 Indoor unit operation mode IC9 12 No 9 unit mode No 10 unit...

Страница 112: ...ensor all thermistors and SC SH at time of abnormality delay 137 10010001 TH4 Compressor sensor data at time of abnormality delay C 99 9 999 9 C 138 01010001 TH6 Suction pipe sensor data at time of abnormality delay C 139 11010001 TH3 Outdoor liquid pipe sensor data at time of abnormality delay C 140 00110001 TH8 Heat sink sensor data at time of abnormality delay C 141 10110001 OC SC cooling at ti...

Страница 113: ...0101 IC10 Capacity code 161 10000101 IC11 Capacity code 162 01000101 IC12 Capacity code 163 11000101 IC9 SC SH 99 9 999 9 During heating subcool SC During cooling superheat SH Fixed to 0 during cooling operation Display of indoor SC SH data 164 00100101 IC10 SC SH 165 10100101 IC11 SC SH 166 01100101 IC12 SC SH 170 01010101 ROM version monitor 0 00 99 99 ver Display of version data of ROM 171 1101...

Страница 114: ...hermistors and SC SH at time of abnormality 201 10010011 TH4 Compressor sensor data at time of abnormality 99 9 999 9 C 202 01010011 TH6 Suction pipe sensor data at time of abnormality 203 11010011 TH3 Outdoor liquid pipe sensor data at time of abnormality 204 00110011 TH8 Heat sink sensor data at time of abnormality 205 10110011 OC SC cooling at time of abnormality 99 9 999 9 During heating subco...

Страница 115: ... not fixed firmly it may cause heating or fire Be sure to use the appropriate type of overcurrent protection switch Note that generated overcurrent may include some amount of direct current Caution Some installation site may require attachment of an earth leakage breaker If no earth leakage breaker is installed it may cause an electric shock Do not use anything other than breaker and fuse with cor...

Страница 116: ...D L N S1 S2 S3 S1 S2 S3 S1 S2 S3 C L N S1 S2 S3 S1 S2 S3 S1 S2 S3 C D E L N NO N 220 230 240 V 50 Hz A B A B D L N S1 S2 S3 S1 S2 S3 S1 S2 S3 C D Grounded When power is supplied from the outdoor unit When power is supplied separately Grounded Grounded Schematic Drawing of Wiring When using a Branch Box and M NET control indoor unit example E L N Note The M NET control indoor unit cannot receive po...

Страница 117: ... MSZ SF VA MSZ SF VE MSZ EF VE MSZ FH VE 6 8 Type 9 Connection kit PAC LV11M J 3 5 Indoor unit V1 V2 Type 10 PEFY VMA L E PEFY VMA3 E 38 0 1 6 Type 11 PMFY VBM E PLFY VBM E PLFY VFM E1 PEFY VMS1 L E PCFY VKM E PKFY VHM E PKFY VKM E PFFY VKM E2 PFFY VLRMM E 19 8 2 4 Type 12 PEFY VMHS E 13 8 4 8 Type 13 PKFY VBM E 3 5 2 4 Type 14 PLFY VLMD E PEFY VMR E L R PDFY VM E PEFY VMH E PEFY VMH E F PFFY VLEM...

Страница 118: ...ssion cables Shielding wire 2 core CVVS CPEVS or MVVS Cable diameter More than 1 25 mm2 Maximum wiring length Within 200 m 2 M NET Remote control cables Kind of remote control cable Shielding wire 2 core CVVS CPEVS or MVVS Cable diameter 0 5 to 1 25 mm2 Remarks When 10 m is exceeded use a cable with the same specifications as transmission line wiring 3 MA Remote control cables Kind of remote contr...

Страница 119: ...ker for Wiring and Current Leakage Breaker for Wiring and Current Leakage 1 25 mm2 or more Shield cable 3N 380 400 415 V 50 Hz Example of system when using a Branch Box Example of system when using a M NET controller When power is supplied separately N 220 230 240 V 50 Hz N 220 V 60 Hz Transmission cable M NET control indoor unit M NET control indoor unit MA RC M NET control indoor unit MA RC Bran...

Страница 120: ...the following formulas to calculate the electrical characteristics before applying for a capacity agreement with the local electric power company 9 7 1 Obtaining the electrical characteristics of the MULTI S series system 1 Procedure for obtaining total power consumption The power consumption of the outdoor unit will vary depending on the total capacity of the selected indoor units 2 Method of obt...

Страница 121: ...ctory Therefore charge each refrigerant piping system with additional refrigerant at the installation site In addition in order to carry out service enter the size and length of each liquid pipe and additional refrigerant charge amounts in the spaces provided on the Refrigerant amount plate on the outdoor unit Calculation of additional refrigerant charge Calculate the additional charge using the l...

Страница 122: ...h header 8 branches CMY Y64 G E CMY Y68 G E Select Each Section of Refrigerant Piping 1 Section From Outdoor Unit to First Branch A Each Section of Piping 2 Sections From Branch to Indoor Unit a b c d Select the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor Unit to First Branch Out door Unit Piping Diameter Note When connecting the CONNECTION KIT PAC LV11M ...

Страница 123: ...Each Section of Piping 2 Sections From Branch to Indoor Unit a b c d e 3 Section From Branch to Branch B C Select the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor Unit to First Branch Out door Unit Piping Diameter Model Piping Diameter mm PUMY P200 Liquid Line ø9 52 Gas Line ø19 05 3 Refrigerant Piping Diameter In Section From Branch to Branch 2 Refrigeran...

Страница 124: ...units Select Each Section of Refrigerant Piping 1 Section From Outdoor Unit to Branch box A B C Each Section of Piping 2 Sections From Branch box to Indoor Unit a to h Select the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor Unit to First Branch Out door Unit Piping Diameter L The farthest piping length from the outdoor unit to an indoor unit 2 Refrigerant ...

Страница 125: ...ipes and for use with gas pipes Branch header 4 branches Branch header 8 branches CMY Y64 G E CMY Y68 G E Select Each Section of Refrigerant Piping 1 Section From Outdoor Unit to Branch box or Branch header A to E Each Section of Piping 2 Sections From Branch box or Branch header to Indoor Unit a to j Select the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor...

Страница 126: ...om Outdoor Unit to Branch box or Branch header A to E Each Section of Piping 2 Sections From Branch box or Branch header to Indoor Unit a to k Select the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor Unit to Branch box or Branch header Outdoor Unit Piping Diameter L1 The farthest piping length from the outdoor unit to an indoor unit L2 The farthest piping l...

Страница 127: ...s of calculations 1 and 2 to calculate the refrigerant concentration If the calculation results do not exceed the maximum concentration perform the same calculations for the larger second and third room etc until it has been determined that nowhere the maximum concentration will be exceed Indoor unit All refrigerant of this system will leak out to this room if there is leakage at this indoor unit ...

Страница 128: ...tdoor multi controller circuit board Diagram symbol in the connector housing Fan motor CNF1 CNF2 Thermistor HIC pipe TH2 Thermistor Outdoor liquid pipe TH3 Thermistor Compressor TH4 Thermistor Suction pipe Ambient Outdoor TH6 7 High pressure switch 63H High pressure sensor 63HS Low pressure sensor 63LS 4 way valve 21S4 Bypass valve SV1 Linear expansion valve CNLVA CNLVB Pull out the disconnected w...

Страница 129: ...l parts box 4 Pull out the thermistor Suction pipe TH6 from the sen sor holder Note When replacing thermistor Suction pipe TH6 replace it together with thermistor Ambient TH7 since they are combined together Refer to procedure No 5 below to remove thermistor Ambient TH7 Electrical parts box Clamps 5 Removing the thermistor Ambient TH7 1 Remove the service panel See Photo 1 2 Remove the top panel S...

Страница 130: ...oor multi controller circuit board in the electrical parts box 4 way valve OPERATING PROCEDURE PHOTOS FIGURES Photo 9 1 4 way valve coil fixing screw 8 Removing the 4 way valve 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 5 4 Remove 3 valve bed fixing screws 4 10 and 4 ball valve and stop valve fixing screws 5 16 and then rem...

Страница 131: ...r panel fixing screws 5 12 and remove the back cover panel 5 Remove 3 right side panel fixing screws 5 o 12 in the rear of the unit and remove the right side panel 6 Remove the electrical expansion valve coil See Photo 12 7 Remove the electrical parts box See Photo 5 8 Recover refrigerant 9 Remove the welded part of electrical expansion valve High pressure sensor 63HS High pressure switch 63H Low ...

Страница 132: ...ctor DCL 1 Remove the service panel See Photo 1 2 Disconnect the lead wires from the reactor See Photo 13 3 Disconnect the connectors of reactor on the bottom plate of the electrical parts box See Photo 13 4 Remove 4 screws on the bottom plate of the electrical parts box See Photo 13 5 Remove the reactor Bottom plate of electrical parts box ...

Страница 133: ... compressor inlet and outlet and then remove the compressor Note Recover refrigerant without spreading it in the air Photo 14 Compressor MC Valve bed Valve bed fixing screw Valve bed fixing screws Compressor fixing nuts 15 Removing the accumulator 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover pan...

Страница 134: ...REVISED EDITION C Issued Nov 2018 No OCH634 REVISED EDITION B Issued Mar 2017 No OCH634 REVISED EDITION A Published Sep 2016 No OCH634 Made in Japan Specifications are subject to change without notice HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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