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TECHNICAL & SERVICE MANUAL

OUTDOOR UNIT

HFC

utilized

R410A

April 2018

Note:

•

This service manual describes

technical data of the outdoor

units only.

<Outdoor unit>

[Model Name]

PARTS CATALOG (OCB668)

PUMY-SP112VKM

PUMY-SP112VKM.TH PUMY-SP112VKMR1.TH

PUMY-SP125VKM

PUMY-SP125VKM.TH PUMY-SP125VKMR1.TH

PUMY-SP140VKM

PUMY-SP140VKM.TH PUMY-SP140VKMR1.TH

PUMY-SP112YKM

PUMY-SP112YKM.TH PUMY-SP112YKMR1.TH

PUMY-SP125YKM

PUMY-SP125YKM.TH PUMY-SP125YKMR1.TH

PUMY-SP140YKM

PUMY-SP140YKM.TH PUMY-SP140YKMR1.TH

Salt proof model

[Service Ref.]

CONTENTS

  1. SAFETY PRECAUTION.................................... 2
  2. OVERVIEW OF UNITS...................................... 5
  3. SPECIFICATIONS............................................. 9
  4. DATA................................................................ 11
  5. OUTLINES AND DIMENSIONS...................... 26
  6. WIRING DIAGRAM......................................... 27
7. NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION..... 29
  8. TROUBLESHOOTING.................................... 47
9. ELECTRICAL WIRING...................................124
10. REFRIGERANT PIPING TASKS....................130
11. DISASSEMBLY PROCEDURE....................... 137

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

PUMY-SP112VKM-BS

PUMY-SP112VKM.TH-BS PUMY-SP112VKMR1.TH-BS

PUMY-SP125VKM-BS

PUMY-SP125VKM.TH-BS PUMY-SP125VKMR1.TH-BS

PUMY-SP140VKM-BS

PUMY-SP140VKM.TH-BS PUMY-SP140VKMR1.TH-BS

PUMY-SP112YKM-BS

PUMY-SP112YKM.TH-BS PUMY-SP112YKMR1.TH-BS

PUMY-SP125YKM-BS

PUMY-SP125YKM.TH-BS PUMY-SP125YKMR1.TH-BS

PUMY-SP140YKM-BS

PUMY-SP140YKM.TH-BS PUMY-SP140YKMR1.TH-BS

No. OCH668

REVISED EDITION-B

Revision:

• Added

PUMY-SP112VKMR1.TH,

PUMY-SP125VKMR1.TH,

PUMY-SP140VKMR1.TH,

PUMY-SP112YKMR1.TH,

PUMY-SP125YKMR1.TH and

PUMY-SP140YKMR1.TH

in REVISED EDITION-B.

• Some other descriptions have

been also modified.

OCH668 REVISED EDITION-A

is void.

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2
3
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Содержание PUMY- SP140VKMR1.TH-BS

Страница 1: ...6 WIRING DIAGRAM 27 7 NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION 29 8 TROUBLESHOOTING 47 9 ELECTRICAL WIRING 124 10 REFRIGERANT PIPING TASKS 130 11 DISASSEMBLY PROCEDURE 137 SPLIT TYPE HEAT PUMP AIR CONDITIONERS PUMY SP112VKM BS PUMY SP112VKM TH BS PUMY SP112VKMR1 TH BS PUMY SP125VKM BS PUMY SP125VKM TH BS PUMY SP125VKMR1 TH BS PUMY SP140VKM BS PUMY SP140VKM TH BS PUMY SP140VKMR1 TH BS PUMY SP11...

Страница 2: ...lectronic refrigerant charging scale Vacuum pump adaptor Size adjustment gauge Gauge manifold Torque wrench Gas leak detector Charge hose Tools for R410A Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If large amount of minera...

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: ...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 thermis tor vacuum gauge an...

Страница 5: ...140 Number of units 1 to 9 units 1 to 10 units 1 to 12 units Total system capacity range 50 to 130 of outdoor unit cap50 to 130 of outdoor unit capacity 1acity 250 to 130 of outdoor unit capacity 2 Branching pipe components Branch header 2 branches Branch header 4 branches Branch header 8 branches CMY Y62 G E CMY Y64 G E CMY Y68 G E M series remote controller Model Capacity Cassette Ceiling Ceilin...

Страница 6: ...icable indoor unit Capacity kW unit Type 15 to Type 100 Number of units 2 to 8 units Total system capacity range 50 to 130 of outdoor unit capacity 6 3 to 16 2 kW o 50 to 130 of outdoor unit capacity 7 1 to 18 2 kW o 50 to 130 of outdoor unit capacity 8 0 to 20 2 kW o Branch box that can be connected Number of units 1 to 2 units Model capacity kW type Wall Mounted 1 way ceiling cassette 4 way ceil...

Страница 7: ...ti indoor units are 3 connecting 8 indoor units via branch box connectable citymulti indoor units are 2 2 Refer to 2 1 UNIT CONSTRUCTION or 2 2 UNIT CONSTRUCTION BRANCH BOX SYSTEM for more detail PAC MK3 BC 3 branches MAX 3 units 2 3 UNIT CONSTRUCTION MIXED SYSTEM Outdoor unit 4 5HP 5HP 6HP PUMY SP112VKM R1 TH BS PUMY SP112YKM R1 TH BS PUMY SP125VKM R1 TH BS PUMY SP125YKM R1 TH BS PUMY SP140VKM R1...

Страница 8: ...h air type indoor unit air type indoor Capacity of Fresh Cooling Heating Indoor side and Outdoor side P80 D B 21 to 43 2 W B 15 5 to 35 intake air temperature P140 D B 21 to 43 2 W B 15 5 to 35 D B 10 to 20 3 D B 5 to 20 3 1 Thermo OFF FAN mode automatically starts if the outdoor temp is lower than 21 D B Outdoor unit PUMY SP112VKM TH BS PUMY SP112YKM TH BS PUMY SP112VKMR1 TH BS PUMY SP112YKMR1 TH...

Страница 9: ...00 Motor output kW 3 1 3 5 3 7 Case heater kW 0 Lubricant FV50S 1 4litter External finish Galvanized Steel Sheet Munsell No 3Y 7 8 1 1 External dimension H W D mm 981 1 050 330 40 inch 38 5 8 41 3 8 13 1 37 64 Protection devices High pressure protection High pressure Switch Inverter circuit COMP FAN Overcurrent detection Overheat detection Heat sink thermistor Compressor Compressor thermistor Over...

Страница 10: ... 3 1 3 5 3 7 Case heater kW 0 Lubricant FV50S 1 4litter External finish Galvanized Steel Sheet Munsell No 3Y 7 8 1 1 External dimension H W D mm 981 1 050 330 40 inch 38 5 8 41 3 8 13 1 37 64 Protection devices High pressure protection High pressure Switch Inverter circuit COMP FAN Overcurrent detection Overheat detection Heat sink thermistor Compressor Compressor thermistor Overcurrent detection ...

Страница 11: ...Refer to Figure 1 CTi Σ Indoor Unit Rating Indoor Design Temperature Correction 4 5 1 03 5 6 0 94 9 9 kW 5 Outdoor Unit Correction Calculation Outdoor Design Dry Bulb Temperature Correction 44 7ºC 0 88 Refer to Figure 2 Piping Length Correction 60 m 0 88 Refer to Figure 3 Total Outdoor Unit Capacity CTo Total Indoor Units Capacity CTi CTo Outdoor Rating Outdoor Design Temperature Correction Piping...

Страница 12: ...nit Capacity CTo Total Indoor Units Capacity CTi CTo Outdoor Unit Rating Outdoor Design Temperature Correction Piping Length Correction Defrost Correction 14 0 1 0 0 94 0 89 11 7 kW 6 Determination of Maximum System Capacity Comparison of Capacity between Total Indoor Units Capacity CTi and Total Outdoor Unit Capacity CTo CTi 10 3 CTo 11 7 thus select CTi CTx CTi 10 3 kW 7 Comparison with Essentia...

Страница 13: ... 3 19 C W B CITY MULTI could have varied capacity at different designing temperature Using the nominal cooling capacity value and the ratio below the capacity can be observed at various temperature PUMY SP V Y KM TH BS 112 125 140 Nominal cooling capacity kW 12 5 14 0 15 5 BTU h 42 700 47 800 52 900 Input kW 3 10 3 84 4 70 Figure 7 Indoor unit temperature correction To be used to correct indoor un...

Страница 14: ...MY SP112YKMR1 TH BS PUMY SP125VKM TH BS PUMY SP125YKM TH BS PUMY SP125VKMR1 TH BS PUMY SP125YKMR1 TH BS Ratio of power input Outdoor Temperature C D B Indoor Temperature 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 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 24 C W B 22 C W B 20 C W B PUMY SP140VKM TH BS PUMY SP140YKM TH BS PUMY SP140VKMR1 TH BS PUMY SP140YKMR1 TH BS Figure 9 Outdoor unit ...

Страница 15: ...Temperature C W B 20 C D B 20 0 15 0 10 0 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 15 10 5 0 5 10 15 0 2 0 4 0 6 0 8 1 0 1 2 25 C D B 15 C D B 20 C D B 27 C D B 1 4 Figure 10 Indoor unit temperature correction To be used to correct indoor unit capacity only PUMY SP V Y KM TH BS 112 125 140 Nominal heating capacity kW...

Страница 16: ...e 2 5 2 5 2 5 Total pipe length 15 15 15 Fan speed Hi Hi Hi Amount of refrigerant kg 6 5 6 5 6 5 Outdoor unit Electric current A 15 69 14 88 18 78 18 38 22 27 19 62 Voltage V 230 230 230 230 230 230 Compressor frequency Hz 57 74 65 84 73 88 LEV opening Indoor unit Pulse 226 396 264 335 262 358 Pressure High pressure Low pressure MPaG 2 96 1 08 1 93 0 63 3 12 1 02 2 06 0 60 3 25 0 99 2 08 0 60 Temp...

Страница 17: ... 0 10 0 15 0 20 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 1 0 2 0 3 0 4 0 5 0 6 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 V Type 220V 230V 240V 380V 400V 415V Y Type 4 4 1 PUMY SP112VKM TH BS PUMY SP112YKM TH BS cooling PUMY SP112VKMR1 TH BS PUMY SP112YKMR1 TH BS Before calculating the sum of total capacity of indoor units please convert the value into the k...

Страница 18: ...16 0 18 0 20 0 0 5 0 10 0 15 0 20 0 Y Type Current A Total capacity of indoor units kW Current A Input kW V Type 220V 230V 240V 380V 400V 415V 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 Capacity kW Total capacity of indoor units kW 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 Total capacity of indoor units kW Total capacity of ind...

Страница 19: ...0 10 0 12 0 14 0 16 0 18 0 20 0 0 0 5 0 10 0 15 0 20 0 Current A Capacity kW Total capacity of indoor units kW Total capacity of indoor units kW Total capacity of indoor units kW Total capacity of indoor units kW Current A Input kW 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 2 0 4 0...

Страница 20: ... 5 10 15 20 Y Type Current A Total capacity of indoor units kW Current A Input kW V Type 220V 230V 240V 380V 400V 415V 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 Capacity kW Total capacity of indoor units kW 2 4 6 8 10 12 14 16 18 20 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 Total capacity of indoor units kW Total capacity of indoor units kW ...

Страница 21: ...0 16 0 18 0 20 0 22 0 0 0 5 0 10 0 15 0 20 0 25 0 Current A Capacity kW Total capacity of indoor units kW Total capacity of indoor units kW Total capacity of indoor units kW Total capacity of indoor units kW Current A Input kW 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 1 0 2 0 3 0 4 0 5 0 6 0 7...

Страница 22: ...1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 Current A Total capacity of indoor units kW Current A Input kW Y Type 380V 400V 415V V Type 220V 230V 240V 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 Capacity kW Total capacity of indoor units kW 2 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 Total capacity of indoor un...

Страница 23: ... TEMPERATURE to obtain the actual capacity 1 Capacity Correction Curve Figure 12 PUMY SP112VKM TH BS PUMY SP112YKM TH BS Cooling PUMY SP112VKMR1 TH BS PUMY SP112YKMR1 TH BS 0 20 40 60 80 0 50 0 55 0 60 0 65 0 70 0 75 0 80 0 85 0 90 0 95 1 00 9 4 6 3 12 5 16 3 Capacity ratio Piping equivalent length m Total capacity of indoor unit Figure 13 PUMY SP125VKM TH BS PUMY SP125YKM TH BS Cooling PUMY SP125...

Страница 24: ... unit type SP112 SP140 70 m 4 5 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 Correction factor diagram Figure 15 PUMY SP112 125 140VKM BS PUMY SP112 125 140VKMR1 BS Heating PUMY SP112 125 140...

Страница 25: ...RESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUMY SP125VKM TH BS PUMY SP125VKMR1 TH BS PUMY SP125YKM TH BS PUMY SP125YKMR1 TH BS COOLING MODE SILENT Cooling 53 SPL dB 50 47 43 LINE SUPER SILENT 1 Cooling SUPER SILENT 2 Cooling HEATING 56 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000...

Страница 26: ...SP112VKM R1 TH PUMY SP125VKM R1 TH PUMY SP140VKM R1 TH PUMY SP112YKM R1 TH PUMY SP125YKM R1 TH PUMY SP140YKM R1 TH PUMY SP112VKM R1 TH BS PUMY SP125VKM R1 TH BS PUMY SP140VKM R1 TH BS PUMY SP112YKM R1 TH BS PUMY SP125YKM R1 TH BS PUMY SP140YKM R1 TH BS ...

Страница 27: ...nector Connection for Option CN3D CNS1 Connector Centralized Control Transmission Line CNS2 Connector Connection for Option CN3S Connector Connection for Option CN3N Connector Connection for Option CN51 Relay M NET P B M NET Power Circuit Board TB1 Connector Indoor Outdoor Branch Box Outdoor Transmission Line Connection Terminal Electrical Parts Box Connection Terminal Electrical Parts Box RD RD Y...

Страница 28: ...re Sensor 63LS Low Pressure Sensor Terminal Block Centralized Control Transmission Line Terminal Block Indoor Outdoor Branch Box Outdoor Transmission Line EI E2 E3 N F Connection Terminal L1 L2 L3 Power Supply Noise Filter Circuit Board LI1 LI2 LI3 NI Connection Terminal L1 L2 L3 Power Supply LO1 LO2 LO3 SYMBOL NAME LEV A LEV B Linear Expansion Valve RS Rush Current Protect Resistor ACL4 Reactor D...

Страница 29: ... 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 Address SW 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 Address SW SW1 ON 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 Ci...

Страница 30: ... controller simultaneously and hold for 2 seconds Note The above steps are the same as 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 addre...

Страница 31: ...ter 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 indoo...

Страница 32: ...0 Capacity Item Liquid piping Gas piping P15 P20 P25 P32 P40 P50 P63 P80 P100 P125 P140 SP112 SP125 SP140 City multi indoor unit Outdoor unit 9 52 3 8 9 52 3 8 12 7 1 2 15 88 5 8 15 88 5 8 Unit mm inch The farthest piping length from the first joint 30 m 6 35 1 4 The farthest piping length from the first joint 30 m 9 52 3 8 Refrigerant flow in cooling Main Refrigerant flow in heating Main Refriger...

Страница 33: ...nser evaporator temperature thermistor TH5 or RT12 Pipe temperature thermistor liquid TH2 or RT13 Strainer 100 Indoor units Branch box Outdoor unit Thermistor TH A E Gas pipe temperature LEV A E Linear expansion valve Room temperature thermistor TH1 or RT11 E D C B A 4 0 o 3 0 o L130 o 5 PAC MK31 33BC B Branch box Capillary tube behind LEV in cooling mode 4 0 o 3 0 o L130 o 3 Unit mm PAC MK51 53BC...

Страница 34: ...alve size for outdoor unit 2 Valve size for branch unit 6 35 mm 9 52 mm 12 7 mm 15 88 mm 19 05 mm Conversion formula 1 4 inch 3 8 inch 1 2 inch 5 8 inch 3 4 inch Different diameter joint optional parts Fig 7 1 MAC A454JP MAC A455JP MAC A456JP PAC 493PI PAC SG76RJ E 9 52 12 7 12 7 9 52 12 7 15 88 6 35 9 52 9 52 15 88 9 52 12 7 12 7 6 35 9 52 12 7 9 52 15 88 9 52 15 88 Connected pipes diameter mm Di...

Страница 35: ...block TB6 on the M NET remote controller c Set the address setting switch on outdoor unit P C B as shown below d Use the M NET control indoor unit M IC within the group with the most functions as the M IC Main unit Combinations of 1 through 3 above are possible TB5 TB15 01 101 M IC Main TB3 TB7 51 OC TB5 TB15 02 M IC Sub M NET RC 1 2 A B M1M2 S M1M2 S M1M2 S 1 2 M1M2 S Group A TB5 TB15 01 101 M NE...

Страница 36: ...ess is the M NET control indoor unit main address plus 100 In this case it should be 101 M NET remote controller M NET RC and MA remote controller MA RC cannot be used together Do not connect anything with TB15 of M NET control indoor unit M IC Name Symbol Maximum units for connection Outdoor unit OC M NET control Indoor unit M IC 1 OC unit can be connected to 1 to 9 SP112 1 to 10 SP125 1 to 12 SP...

Страница 37: ...e power supply unit with the earth g Set the address setting switch as follows h The group setting operations among the multiple M NET control indoor units is done by the M NET remote controller M NET RC after the electrical power has been turned on Unit Range Setting Method M IC Main 01 to 50 Use the smallest address within the same group of M NET control indoor units M IC Sub 01 to 50 Use an add...

Страница 38: ...ocks TB5 for transmission wires for M NET control indoor units M 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 M NET control indoor unit of the same group wiring together A B C E D M IC 51 TB5 M NET RC 01 TB5 03 M IC TB5 02 TB5 04 M IC TB5 05 TB5 07 M I...

Страница 39: ...sing 2 remote controllers connect terminals 1 and 2 on transmission cable terminal block TB15 for each indoor unit with the terminal block for 2 MA 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 blo...

Страница 40: ...indoor unit of the same group 3 MA remote controllers or more cannot be connected with the M NET control indoor unit of the same group The second MA remote controller is con nected with the terminal block TB15 for the MA remote controller of the same M NET control indoor unit M IC as the first MA remote control NO MA RC 00 M IC 00 OC MA RC 00 M IC TB5 1 2 TB15 A B M1M2 TB3 S TB7 TB5 TB15 M1M2 S M1...

Страница 41: ...upply unit with the earth g Set the address setting switch as follows h The group setting operations among the multiple M NET control indoor units is done by the M NET remote controller M NET RC after the electrical power has been turned on Unit Range Setting Method M IC Main 01 to 50 Use the smallest address within the same group of indoor units M IC Sub 01 to 50 Use an address other than the M I...

Страница 42: ...d L1 L2 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 MA 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 MA Remote Controller Address example A B C E M IC 51 TB5 TB15 TB15 TB15 TB15 MA RC 01 M IC TB5 03 M IC TB5 02 M IC TB5 04 M IC 05 M IC TB5 ...

Страница 43: ...ower 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 highe...

Страница 44: ...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 Branch Bo...

Страница 45: ...er 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 b...

Страница 46: ...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 Supply...

Страница 47: ...ch 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 Operation procedure table of the bottom of this page...

Страница 48: ... mode Check the cold air blows out Heat mode Check the heat blows out 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 Check the operation of the outdoor unit fan also 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 st...

Страница 49: ... 4500 U3 5101 Air inlet thermistor TH21 open short Compressor temperature thermistor TH4 open short Check delay code 1202 U4 5102 Liquid pipe temperature thermistor TH22 open short Suction pipe temperature thermistor TH6 open short Check delay code 1211 U4 5103 Gas pipe temperature thermistor TH23 open short U4 5105 Outdoor liquid pipe temperature thermistor TH3 open short Check delay code 1205 U4...

Страница 50: ... to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 0403 Ed Serial communication error No Yes Are they connected normally Check the connection of the communication line CN2 and CN4 between the outdoor multi controller circuit board and power circuit board Connect the CN2 and CN4 properly Replace them in case of a breakage The communication cir...

Страница 51: ...sor while indoor unit is OFF thermo OFF Diagnosis of defectives Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 1102 U2 Compressor temperature trouble Yes Yes No Yes Yes No No No Is 5101 displayed when restarted Is the outdoor stop valve liquid gas fully open Is there a refrigerant leak Is there any abnormality on connectors wires...

Страница 52: ...lue Is it free from any trace of over heating or burning Is there a resistance detected Is there a resistance detected Check the voltage and appearance of the outdoor multi controller circuit board Disconnect the thermistor wiring to check the resistance Disconnect the indoor LEV wiring and check the resistance Replace the outdoor multi controller circuit board Replace the thermistor Replace the i...

Страница 53: ...ow clogged 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 multi c...

Страница 54: ...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 Continue to the ...

Страница 55: ... 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 For the voltage refer to 8 6 HOW TO CHECK THE COMPONENTS No No Yes Yes Yes Continued from the previous page Is there a resistance detected Is there a resistance detected Replace the TH7 Replace the indoor LEV Disconnect the indoor LEV wiring to check...

Страница 56: ...ntinued from the previous page Is there a voltage detected Replace the SV1 Replace the 63HS Replace the outdoor multi controller circuit board Yes Is the connector for outdoor multi controller circuit board 63H disconnected or loose Reconnect the connector or connect it tightly Check the 63HS voltage Is there a resistance detected Yes No 56 OCH668B For the voltage refer to 8 6 HOW TO CHECK THE COM...

Страница 57: ...nnection of TH4 Defective holder of TH4 Disconnection of LEV coil Disconnection of LEV connector LEV performance failure Diagnosis of defectives Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy Chart 1 of 2 No Yes No Yes No Yes Is the TH4 wiring disconnected Is the resistance normal Is there any abnormality such as a half disconnec...

Страница 58: ...to 8 6 HOW TO CHECK THE COMPONENTS Is there a resistance detected Replace the indoor LEV No No Yes Yes No Yes Continued from the previous page Is the voltage normal Is it free from any trace of over heating or burning Is there a voltage detected Replace the indoor controller board Replace the 63HS Replace the outdoor multi controller circuit board Check the voltage and appearance of the indoor con...

Страница 59: ...efective outdoor multi controller circuit board Indoor LEV performance failure Gas leakage or shortage Defective 63HS TH3 Thermistor Outdoor liquid pipe TH7 Thermistor Ambient LEV Linear expansion valve 63HS High pressure sensor Diagnosis of defectives 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 Ye...

Страница 60: ...he previous page Is there a voltage detected Is the voltage normal value Is it free from any trace of over heating or burning Is there a resistance detected Replace the outdoor multi controller circuit 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 multi controller circuit board Disconnect the...

Страница 61: ...closed 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 Indoor gas pipe temperature thermistor TH A to E LEV Linear expansion valve Diagnosis of defectives Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy v Is the outdoor ...

Страница 62: ...n branch box or indoor unit Diagnosis of defectives Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 1503 P6 Freeze protection of branch box or indoor unit No Yes Connect the piping and wiring to the same port No Is there a resistance detected Connect the LEV wiring to the intended port properly Disconnect the LEV wiring of branch ...

Страница 63: ... RT11 or TH1 TH22 Indoor liquid pipe temperature thermistor RT13 or TH2 TH23 Indoor gas pipe temperature thermistor TH A to E Diagnosis of defectives 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 or loose Reconnect the connector or conne...

Страница 64: ...eplacing boards Diagnosis Remedy 4100 UF Compressor current interruption Locked compressor Chart 1 of 2 Yes Yes Yes No No No 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 looseness disconnection or breakage of compressor wiring Ensure power supply from the facility Check for power supply open phase Se...

Страница 65: ...s Remedy Chart 2 of 2 Yes Yes No No Are they connected properly Is the compressor faulty grounded Connect the compressor wiring U V and W phase properly then turn the power back ON Replace the outdoor power circuit board Defective outdoor power circuit board Replace the compressor Defective compressor Check whether the compressor is faulty grounded or not Continued from the previous page 65 OCH668...

Страница 66: ...rn 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 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 looseness disconnection or breakage of compressor wiring Ensure power supply ...

Страница 67: ... 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 circuit board Complete Check the operation of indoor outdoor fan motors Check for indoor outdoor short cycle Disconnect the compressor wiring from the outdoor power circuit board then check ...

Страница 68: ... square indicates a switch position Chart 1 of 2 No No No No No Yes Yes Yes Yes Yes 6 3 7 8 Is there any abnormality on wirings Which sub code is displayed Does a DC bus voltage raise to approx 380 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 supply circuit on the ou...

Страница 69: ...wer supply normal Is the bus voltage normal The difference of the voltage between the one read by the LED1 and 2 and the one at the test points listed above is large Replace the noise filter circuit board Replace the outdoor power circuit board Defective outdoor power circuit board Decrease of power supply voltage L1 open phase Replace the outdoor power circuit board Defective outdoor power circui...

Страница 70: ...0 U5 Heat sink temperature trouble No Yes No No Yes Yes No No Yes Yes 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 a disconnection looseness or breakage Is the resistance normal Refer to the diagnosis of check code 5110 Refer to the diagnosis of check code 4400 Re...

Страница 71: ...y connectors or replacing boards Diagnosis Remedy 4250 U6 Power module trouble or Overcurrent trouble Yes Yes No No Are they connected properly Is the check code 4250 still displayed Connect the compressor wiring U V and W phase properly then turn the power back ON Replace the outdoor power circuit board or the outdoor multi controller circuit board Defective outdoor power circuit board Replace th...

Страница 72: ... fan motor Connect the wiring connector properly Replace it in case of a breakage Replace the outdoor multi controller circuit board Replace the fan motor Check the fuse on the outdoor multi controller circuit board Check the fan motor connector CNF1 for a disconnection or looseness 1 While the breaker is OFF disconnect the compressor wirings U V W from the outdoor power circuit board 2 While the ...

Страница 73: ...mperature thermistor TH4 open short The black square indicates a switch position Detected in outdoor unit No Yes Yes Yes No No Is there any abnormality such as a 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 a breakage Replace the thermistor Replace the outdoor multi co...

Страница 74: ...on pipe temperature thermistor TH6 open short The black square indicates a switch position Detected in outdoor unit No Yes Yes Yes No No Is there any abnormality such as a disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of a breakage Replace the thermistor Replace the outdoor multi con...

Страница 75: ...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 Is there any abnormality such as a disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of...

Страница 76: ... 5 6 7 8 3 No Yes Yes Yes No No Is there any abnormality such as a disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of a breakage Replace the thermistor Replace the outdoor multi controller circuit board Malfunction of thermistor circuit No abnormality A connector contact failure is sus...

Страница 77: ...ition No Yes Yes Yes No No Is there any abnormality such as a disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of a breakage Replace the thermistor Replace the outdoor multi controller circuit board Malfunction of thermistor circuit No abnormality A connector contact failure is suspecte...

Страница 78: ... 7 8 3 No Yes Yes Yes No No Yes No Is there any abnormality such as a disconnection looseness or breakage Is the detected resistance normal Is the detected temperature normal Connect the wiring connector properly Replace it in case of a breakage Replace the thermistor Replace the outdoor multi controller circuit board Malfunction of thermistor circuit No abnormality A connector contact failure is ...

Страница 79: ...sis of defectives 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 4 1 2 5 6 7 8 3 For the voltage refer to 8 6 HOW TO CHECK THE COMPONENTS No Yes Yes No No Is there any abnormality such as a disconnecti...

Страница 80: ... OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy The black square indicates a switch position 63LS Low pressure sensor No Yes Yes No No Is there any abnormality such as a disconnection looseness or breakage Is the detected internal pressure normal Is the detected pressure normal Connect the wiring connector properly Replace it in case of a breakage Check the...

Страница 81: ...osis Remedy 10 consecutive second detection One time detection 34 A 38 A Three phase Yes Yes No No Yes No Is the power supply single phase Is there any abnormality such as a disconnection looseness or breakage The power supply voltage might be decreased or abnormal Check the power supply facility Connect the compressor wiring properly Replace the outdoor power circuit board Malfunction of current ...

Страница 82: ...nectors or replacing boards Diagnosis Remedy 6600 A0 Duplex address error No Yes Yes No 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 no abn...

Страница 83: ...osis of defectives 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 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 simultaneously...

Страница 84: ...nect disconnect transmission from to control system and centralized control system Diagnosis of defectives 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 Is the transmission line miswired Is the transmission line miswired Does it operate normally Correct the wiring then tur...

Страница 85: ...tives Make 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 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 86: ...tion 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 remote c...

Страница 87: ...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 88: ... the procedure 1 Connect the transmission line properly then perform the procedure 1 Is the abnormality reproduced 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 transmission li...

Страница 89: ...er board which the displayed address attribute belongs to Continued from the previous page Defective outdoor multi controller circuit board repeater circuit on the outdoor unit is suspected Replace the outdoor multi controller circuit 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 syst...

Страница 90: ...g boards Diagnosis Remedy No response frame error Yes Yes Yes Yes No No No No 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 the tolerance Repl...

Страница 91: ...r transmitting error caused by noise interference Diagnosis of defectives 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 to ERC66 displayed No abnormality It mig...

Страница 92: ...ceive 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 92 OCH668B ...

Страница 93: ...s 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 is ...

Страница 94: ...nd 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 94 OCH668B ...

Страница 95: ...e to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 7100 EF Total capacity error No Yes Yes No No Yes Is it set properly Is it set properly Is the total under 130 of outdoor unit capacity Check the capacity code switch SW2 on the indoor controller board on the connected indoor unit Check the model selection switch SW4 on the outdoor multi con...

Страница 96: ... 3 to 28 When connecting via branch box P15 to P100 model code 3 to 20 Diagnosis of defectives Make sure to turn the power OFF before connecting disconnecting any connectors or replacing boards Diagnosis Remedy 7101 EF Capacity code error Yes No 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 t...

Страница 97: ...iagnosis of defectives 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 Is an indoor unit connected Does it exceed the limit Connect indoor unit Connect less number of units than the limit The model code of the connected indoor unit can be displayed by an o...

Страница 98: ...ace 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 bra...

Страница 99: ...er 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 t...

Страница 100: ...r OFF before 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 selectio...

Страница 101: ...nward blow in cooling in cause the downward blow operation has been continued for 1 hour At defrosting in heating hot adjusting and thermostat OFF it automatically changes over to horizontal blow Ultra low speed operation is commenced at thermostat OFF Light air automatically change over to set value by time or piping temperature at thermostat ON The fan is to stop during defrosting Fan is to run ...

Страница 102: ... data Normal OFF to ON any time after the power is turned on To delete an error history 4 Pump down Run adjustment mode Normal During compressor running To facilitate outdoor unit the pumping down operation Frequency Fixed to 65 Hz Indoor Electronic expansion valve Fully open Outdoor fan step Fixed to 10 Please refer to a section referring to the pumping down on outdoor units Installation Manuals ...

Страница 103: ...ion and causing the units refrigerant shortage Results in less capacity and increase of discharge temperature SW6 function switch 1 Initial settings 2 3 4 Change of defrosting control Enable For high humidity Normal Can be set when OFF or during operation To shorten the defrosting prohibition time in high humidity or heavy snow region in order to reduce malfunctions caused by frost The performance...

Страница 104: ...ation To reduce dew condensation on the indoor unit by lowering the frequency The performance might be insufficient 5 6 Manual defrost Manual defrost Normal During compressor running in HEAT mode Turn ON when it is necessary to perform the defrosting operation forcedly Effective only at startup or 10 minutes after the last defrosting operation It performs the defrosting operation forcedly HEAT ope...

Страница 105: ...SW2 Function Demand control OFF 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 10 m A Remote control panel B Relay circuit C External...

Страница 106: ...inals with a tester Winding temperature 20 C W V U Normal 0 015 Abnormal Open or short PUMY SP VKM PUMY SP YKM 0 466 Normal Red White Red Orange Red Yellow Red Blue Abnormal 46 4 Open or short Thermistor TH2 HIC pipe 1 2 3 4 5 M Red Blue Orange Yellow White Linear expansion Valve LEV B 1 1 0 05 M 40 4 k 220 22 k Open Normal Red Blue Brown Blue Orange Blue White Blue Abnormal Red Blue Brown Orange ...

Страница 107: ...connector 280 340 V DC when PFC module stops 380 V DC when PFC module is operating V TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 V DC TEST POINT 3 VCC between 6 and 4 of the fan connector VCC 0 6 5 V DC No Fail Fail Wiring contact check Contact of fan motor connector CNF1 Fuse check Check the fuse F500 on outdoor multi controller circuit board Recover wiring Replace the outdoor mu...

Страница 108: ...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 109: ...iagnosis LED1 2 1 When the pressure displayed on self diagnosis LED1 2 is between 0 and 0 098 MPaG 14 PSIG the high pressure sensor 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 connectors 63HS to check the ...

Страница 110: ...circuit between the pin 2 and pin 3 connectors 63LS to check the pressure with the self diagnosis LED1 2 1 When the pressure displayed on the self diagnosis LED1 2 exceeds 1 7 MPaG 247 PSIG the low pressure sensor has a problem 2 If other than 1 the control board has a problem 5 Remove the high pressure sensor 63HS from the control board and insert it into the connector for the low pres sure senso...

Страница 111: ...ct to fan motor 1 4 310 340 V DC Y 310 380 V DC V 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 Y 310 380 V DC V Same as CNF1 1 4 VFG TEST POINT4 Voltage between pin3 and pin4 of PC511 or PC512 Correspond to CNF1 7 4 TH4 Thermistor Compressor TH7 TH6 Thermistor Ambient Suction pipe 63HS High pressure sens...

Страница 112: ...er circuit board CN4 U V W Connect to the com pressor MC Voltage amang phases 10 180V AC NI LI Voltage of 230 V AC is input Connect to the terminal block TB1 CNDC 280 380 V DC 1 3 Connect to the out door controller circuit board CNDC CN6 Thermistor TB1A TB2A TB3A TB1B TB2B TB3B Connect to DCL Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measur...

Страница 113: ...e 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 5 1 2 6 7 TB U TB V TB W Connect to the compressor MC Voltage among phases 10 400 V AC Diode module U P2 V W N2 L3 N1 L1 P1 L...

Страница 114: ...uit board CNAC1 Y Connect to the outdoor power circuit board CNAC1 V 1 3 230V AC TB1 Connect to the electrical parts box PUMY SP112VKM R1 TH PUMY SP125VKM R1 TH PUMY SP140VKM R1 TH PUMY SP112YKM R1 TH PUMY SP125YKM R1 TH PUMY SP140YKM R1 TH PUMY SP112VKM R1 TH BS PUMY SP125VKM R1 TH BS PUMY SP140VKM R1 TH BS PUMY SP112YKM R1 TH BS PUMY SP125YKM R1 TH BS PUMY SP140YKM R1 TH BS ...

Страница 115: ... to the terminal block TB1 EI Connect to the elec trical parts box CNAC1 CNAC2 230 V AC Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 400 V AC OUTPUT Connect to the outdoor power circuit board TB L1 L2 L3 CNCT Primary current Connect to the outdoor power circuit board CN5 CNL Connect t...

Страница 116: ...r fan 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 dela...

Страница 117: ...decrease prevention Minimum Sj correction depends on Td Minimum 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 ...

Страница 118: ...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 119: ... 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 120: ... High pressure sensor all thermistors and SC SH at time of abnormality delay 137 10010001 TH4 Compressor sensor data at time of abnormality delay 99 9 999 9 138 01010001 TH6 Suction pipe sensor data at time of abnormality delay 139 11010001 TH3 Outdoor liquid pipe sensor data at time of abnormality delay 140 00110001 TH8 Heat sink sensor data at time of abnormality delay 141 10110001 OC SC cooling...

Страница 121: ...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 11010101 ROM type Display of ROM type 172 00110101 Check sum mode 0000 FFFF Display of check...

Страница 122: ...11 TH8 Heat sink sensor data at time of abnormality 205 10110011 OC SC cooling at time of abnormality 99 9 999 9 During heating subcool SC During cooling superheat SH Fixed to 0 during cooling operation Display of indoor SC SH data at time of abnormality 206 01110011 IC1 SC SH at time of abnormality 207 11110011 IC2 SC SH at time of abnormality 208 00001011 IC3 SC SH at time of abnormality 209 100...

Страница 123: ...pening pulse abnormality delay 237 10110111 IC8 LEV opening pulse abnormality delay 238 01110111 IC6 SC SH at time of abnormality delay 99 9 999 9 During heating subcool SC During cooling superheat SH Fixed to 0 during cooling operation Display of indoor SC SH data at time of abnormality delay 239 11110111 IC7 SC SH at time of abnormality delay 240 00001111 IC8 SC SH at time of abnormality delay 2...

Страница 124: ...irmly 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 correct capacit...

Страница 125: ... S3 C L N S1 S2 S3 S1 S2 S3 S1 S2 S3 C D E L N NO 3N 380 400 415V 50 Hz A B A B D L N S1 S2 S3 S1 S2 S3 S1 S2 S3 C D Grounded PUMY SP YKM series Grounded Grounded Schematic Drawing of Wiring When using a Branch Box and M NET control indoor unit example E L N N 220 230 240V 50 Hz N 220 V 60 Hz Note The M NET control indoor unit cannot receive power supplied from an outdoor unit so provide it with p...

Страница 126: ...en con necting the branch box and PEFY VMA to a single breaker with a wire that is 100 m long in total and 2 5 mm in diameter G1 2 4 3 3 1 6 48 0 02 3 56 0 1 20 28 G1 Current sensitivity 30 or less 30 mA 0 1 seconds or less 100 or less 100 mA 0 1 seconds or less 6000 600 60 10 Tripping Time s 1 0 1 0 01 1 2 Rated Tripping current x 3 4 6 8 C 10 20 Sample chart Sample Outdoor unit When power is sup...

Страница 127: ...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 control cable Sheathed 2 core cable unshielded CVV Cable diameter 0 3 to 1 25 mm2 0 75 to 1 25 mm2 Remarks Within 200 m Connected with simple remote controller 9 4 2 ...

Страница 128: ...em when using a Branch Box Example of system when using a M NET controller When power is supplied separately N 220 230 240V 50 Hz N 220 V 60 Hz Transmission cable M NET control indoor unit M NET control indoor unit MA RC M NET RC M NET RC M NET RC MA RC M NET control indoor unit MA RC Branch Box A control indoor unit MA RC A control indoor unit MA RC A control indoor unit MA RC 0 3 1 25 mm2 0 75 1...

Страница 129: ...llowing 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 a CITY 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 obtain...

Страница 130: ...rvice 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 liquid pipe size and length of the extended piping and total capacity of connected indoor units Calculate the additional refrigerant charge usin...

Страница 131: ...when the unit is shipped from the factory 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 Calcula...

Страница 132: ...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 liquid pipe size and length of the extended piping and total capacity of connected indoor units Calculate the additional refrigerant charge using the procedure shown to the right and charge with the additional refrigerant F...

Страница 133: ...ulation of additional refrigerant charge Calculate the additional charge using the liquid pipe size and length of the extended piping and total capacity of connected indoor units Calculate the additional refrigerant charge using the procedure shown to the right and charge with the additional refrigerant For amounts less than 0 1 kg round up the calculated additional refrigerant charge For example ...

Страница 134: ...pes Select Each Section of Refrigerant Piping Selecting the Refrigerant Branch Kit Select the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor Unit to Branch box or Branch header Out door Unit Piping Diameter 1 Section From Outdoor Unit to Branch box or Branch header A to E 2 Sections From Branch box or Branch header to Indoor Unit a to j 2 Refrigerant Piping ...

Страница 135: ...elect the size from the table to the right 1 Refrigerant Piping Diameter In Section From Outdoor Unit to Branch box or Branch header Out door Unit Piping Diameter 1 Section From Outdoor Unit to Branch box or Branch header A to E 2 Sections From Branch box or Branch header to Indoor Unit a to k 2 Refrigerant Piping Diameter In Section From Branch box or Branch header to Indoor Unit Indoor Unit Pipi...

Страница 136: ...s m3 and find the room with the smallest volume The part with represents the room with the smallest volume If the calculation results do not exceed the maximum con centration perform the same calculations for the larger sec ond and third room etc until it has been determined that nowhere the maximum concentration will be exceeded Indoor unit All refrigerant of this system will leak out to this roo...

Страница 137: ... LEV LEV B LEV 21S4 4 way valve coil 63HS Pressure sensor SV1 Solenoid valve coil 63H Pressure switch 63LS Pressure sensor 5 Disconnect the pipe side connections of the following parts Thermistor HIC TH2 Thermistor Compressor TH4 Thermistor Liquid TH3 Thermistor Suction TH6 Thermistor Ambient TH7 6 Remove the comp felt top 7 Remove a nut from the terminal cover to remove the cover and disconnect t...

Страница 138: ...s on the noise filter circuit board See Photo 8 6 Remove 9 supports on the noise filter circuit board See Photo 8 7 Remove the noise filter circuit board See Photo 8 8 Remove the noise filter plate fixing screws See Photo 8 9 Disconnect the connectors of reactor on the bottom plate of the electrical parts box See Photo 9 10 Remove 4 screws 2 on the bottom plate of the electrical parts box See Phot...

Страница 139: ...emoving the thermistor Liquid TH3 the thermistor Suction TH6 and thermistor Ambient TH7 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the side panel R by removing the following screws Electrical parts box fixing screws 4 10 2 pieces Valve bed fixing screws 5 12 2 pieces Side panel fixing screw on the right side of the panel 5 12 1 piece Side panel fixing screw ...

Страница 140: ...emoving LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box Refer to procedure 3 4 Remove the LEV coil Refer to procedure 8 5 Recover refrigerant 6 Remove the welded part of LEV Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing th...

Страница 141: ...el See Photo 1 3 Remove the electrical parts box Refer to procedure 3 4 Remove 3 valve bed fixing screws 5 12 and 4 stop valve fixing screws 5 16 and then remove the valve bed See Photo 4 5 Remove 4 right side panel fixing screw 5 12 in the rear of the unit and then remove the right side panel 6 Remove the 4 way valve coil See Photo 15 7 Recover refrigerant 8 Remove the welded part of 4 way valve ...

Страница 142: ...ut spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch and high pressure sensor cover them with a wet cloth to prevent them from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized 14 Removing the low pressure sensor 63LS and the high pressure sensor 63HS 1 Remove t...

Страница 143: ...r refrigerant 12 Remove the welded pipe of compressor inlet and outlet 13 Remove 3 compressor fixing nuts Note 1 Recover refrigerant without spreading it in the air Note 2 When reconnecting the compressor wirings ensure that the connection is correct Check the color of the wiring and the label on the terminal block and connect properly Photo 18 16 Removing the accumulator 1 Remove the service pane...

Страница 144: ...ed Apr 2018 No OCH668 REVISED EDITION B Issued Dec 2017 No OCH668 REVISED EDITION A Published Sep 2017 No OCH668 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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