Carrier MMY-MAP0724FT6UL Service Manual Download | Manualshive

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AIR CONDITIONER (MULTI TYPE)

SERVICE MANUAL

Outdoor Unit

< SUPER HEAT RECOVERY MULTI-i >
Model name:

MMY-MAP0724FT9UL

MMY-MAP0964FT9UL

MMY-MAP1204FT9UL
MMY-MAP0724FT6UL

MMY-MAP0964FT6UL

MMY-MAP1204FT6UL

Flow Selector Unit (FS unit)
Model name:

RBM-Y0383FUL

RBM-Y0613FUL

RBM-Y0963FUL

This service manual provides relevant explanations about new outdoor unit (SHRM-i).

Please refer to the following service manuals for each indoor units.

PRINTED IN JAPAN, Jun, 2013, TOMO

FILE No. A13-002

<4-Way Cassette Type> ........................
<Compact 4-Way Cassette Type> ........
<Ceiling Type> .......................................
<High Wall Type> ...................................

<Medium Static Ducted Type> ..................

<Slim Ducted Type> ..............................
<High Static Ducted Type> ...................

A10-019

A11-011

A11-020

Revision 1 : Jun., 2013
Revision 2 : Jul., 2013
Revision 3 : Dec., 2013
Revision 4 : Sep., 2014

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Summary of Contents for MMY-MAP0724FT6UL

Page 1: ...L RBM Y0963FUL This service manual provides relevant explanations about new outdoor unit SHRM i Please refer to the following service manuals for each indoor units PRINTED IN JAPAN Jun 2013 TOMO FILE...

Page 2: ...MCC 1625 A B C For 460V model MMY MAP 4FT6UL 46 4 REFRIGERANT PIPING SYSTEMATIC DRAWING 47 5 SYSTEM REFRIGEERANT PIPING SCHEMATIC DIAGRAMS 51 5 1 All Cooling mode Operation of cooling only when outsi...

Page 3: ...although there is indoor unit that is not accepting operation from the indoor remote controller 104 8 5 4 In checking the number of connected outdoor units and connected indoor units after address se...

Page 4: ...r Replacement Procedure Outline 216 12 2 Replacement of Compressors 217 12 3 Check Procedure to Search Cause of Compressor Oil Shortage 221 13 OUTDOOR UNIT PARTS REPLACEMENT METHODS 223 14 P C BOARD E...

Page 5: ...anation DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates pos...

Page 6: ...CTRICAL SHOCK HAZARD RISQUE D LECTROCUTION ATTENTION RISQUE DE D CHARGE LECTRIQUE POUVANT CAUSER DES BLESSURES OU LA MORT D CONNECTER TOUTES LES ALIMENTATIONS LECTRIQUES AVANT L ENTRETIEN This product...

Page 7: ...e OFF position and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service...

Page 8: ...at insulating shoes and clothing to provide protection from electric shocks Failure to wear this protective gear may result in electric shocks Electrical wiring work shall be conducted according to la...

Page 9: ...connection was done a disaster such as a leak or fire is caused at user fs side Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use...

Page 10: ...cians Tighten the flare nut with a torque wrench in the specified manner Excessive tighten of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leaka...

Page 11: ...manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room tak...

Page 12: ...rectangular holes for handling as shown below To lift up the unit insert a rope capable of bearing the weight of the unit into the rectangular holes shown below Tie the unit from 4 sides Apply paddin...

Page 13: ...size M8 M8 M4 4 1 to 4 8 5 5 to 6 6 4 1 to 4 8 5 5 to 6 6 0 9 to 1 0 1 2 to 1 4 Power supply terminal Ground screw Control wire terminal Tightening torque ft lbs N m MAP0964FT9UL MAP1204FT9UL 23 2 590...

Page 14: ...lbs ft Ly 0 037 lbs ft Lz 0 071 lbs ft 1 3 27 5 lbs a2 d2 0 017 lbs L3 a1 b1 c1 d1 b2 c2 0 037 lbs L1 L2 0 071 lbs 1 3 27 5 lbs 30 0 017 lbs 150 0 037 lbs 135 0 071 lbs 1 3 27 5 lbs 47 84 lbs Lx Actu...

Page 15: ...others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas...

Page 16: ...meter 3 Insulation resistance tester 4 Electroscope Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a c...

Page 17: ...inal capacity 1 108 81 kBtu h kBtu h 135 Nominal capacity Cooling Heating 1 Soft Start A Starting Current 76 3 76 3 76 3 In Height Dimension 788 616 788 lbs Packed Total Weight Silky shade Munsell 1Y8...

Page 18: ...pacity Cooling Heating 1 Soft Start A Starting Current 76 3 76 3 76 3 In Height Dimension 788 616 788 lbs Packed Total Weight Silky shade Munsell 1Y8 5 0 5 Color Hermetic twin rotary compressor Type C...

Page 19: ...Propeller fan Fan 1 0 1 0 1 0 1 0 1 0 1 0 kW Motor output Fan unit 7 060 5 120 7 620 7 060 5 120 5 120 cfm Air volume OFF 420 ON 540 High pressure switch psi 0 16 0 16 0 20 In WG 2 Maximum external s...

Page 20: ...opeller fan Fan 1 0 1 0 1 0 1 0 1 0 1 0 kW Motor output Fan unit 7 060 5 120 7 060 7 060 5 120 5 120 cfm Air volume OFF 420 ON 540 High pressure switch psi 0 16 0 16 0 20 In WG 2 Maximum external stat...

Page 21: ...pacity 1 108 81 kBtu h kBtu h 135 Nominal capacity Cooling Heating 1 Soft Start A Starting Current 76 3 76 3 76 3 In Height Dimension 863 691 863 lbs Packed Total Weight Silky shade Munsell 1Y8 5 0 5...

Page 22: ...city Cooling Heating 1 Soft Start A Starting Current 76 3 76 3 76 3 In Height Dimension 863 691 863 lbs Packed Total Weight Silky shade Munsell 1Y8 5 0 5 Color Hermetic twin rotary compressor Type Com...

Page 23: ...ropeller fan Fan 1 0 1 0 1 0 1 0 1 0 1 0 kW Motor output Fan unit 7 060 5 120 7 060 7 060 5 120 5 120 cfm Air volume OFF 420 ON 540 High pressure switch psi 0 16 0 16 0 20 In WG 2 Maximum external sta...

Page 24: ...eller fan Fan 1 0 1 0 1 0 1 0 1 0 1 0 kW Motor output Fan unit 7 060 5 120 7 060 7 060 5 120 5 120 cfm Air volume OFF 420 ON 540 High pressure switch psi 0 16 0 16 0 20 In WG 2 Maximum external static...

Page 25: ...LACK GRY GRAY PNK PINK ORN ORANGE BRN BROWN GRN GREEN 5 L FM CN510 BLU CN511 W 1 BLU RED CN535 2 GRN CN532 YEL CN534 3 1 3 WHI CN500 1 CN513 CN31 CN30 D600 BLU SWRT Service CN800 OFF 1 SW09 ON 4 OFF O...

Page 26: ...1 1 4 3 3 PD TD1 TD2 TS1 TO TE1 TL1 TK1 BLK WHI CN531 CN523 2 1 3 1 YEL WHI CN520 CN507 CN505 2 GRN 2 1 1 1 PNK WHI CN502 CN503 3 1 3 2 3 4 3 PS Parts layout MCC 1610 SW01 SW02 SW03 SW06 SW07 SW09 SW1...

Page 27: ...ional P C board BLU WHI GRN BLK SW12 SW07 4 4 3 2 1 SW11 SW06 1 OFF 23 ON SW13 SW09 3 OFF 1 2 ON 4 OFF 1 ON CN510 CN509 CN511 BLU GRN CN31 CN32 34 CN30 SW04SW05 CN513 CN514 CN501 CN500 RED WHI CN503 3...

Page 28: ...OFF 4 3 2 3 1 2 4 OFF 1 SW09 SW13 ON 4 OFF ON 4 23 GRN CN511 SW10 3 SW14 1 2 4 BLU CN512 D603 SW03 SW02 SW01 D601 D602 D604 SW05 CN32 SW04 GRN CN514 SW15 RED CN501 1 4 3 3 PD TD1 TD2 TO TE2 TL1 TK1 BL...

Page 29: ...96 or less Connectable indoor units 5 8 8 Height in 7 49 7 49 7 88 Width in Dimension 9 77 9 77 15 8 Depth in 6 3 6 3 7 88 Total Weight lbs 11 13 20 Liquid side in Connecting port dia Indoor unit side...

Page 30: ...94 100 or more 9 85 250 or more 9 85 250 or more 9 85 250 or more 19 7 500 or more 6 89 175 7 09 180 Electrical control box cover 17 7 17 7 450x450 Check parts Hanging bracket or more 15 8 400 or mor...

Page 31: ...73MPa ON 420psi 2 9MPa 13 Pressure sensor For high pressure NSK BC038F U22 0 5 4 3V 0 540psi 3 73MPa 14 Pressure sensor For low pressure NSK BC010F U22 0 5 3 5V 0 142psi 0 98MPa SV2 SV3A SV3B SV3C 2...

Page 32: ...F 540psi 3 73MPa ON 420psi 2 9MPa 13 Pressure sensor For high pressure NSK BC038F U22 0 5 4 3V 0 540psi 3 73MPa 14 Pressure sensor For low pressure NSK BC010F U22 0 5 3 5V 0 142psi 0 98MPa SV2 SV3A SV...

Page 33: ...P C board I F board MCC 1606 11 P C board IPDU for comp MCC 1595 14 P C board IPDU for fan MCC 1610 12 Fuse MCC 1595 CES15 30AF924 30A AC250V P C board 15 Fuse MCC 1610 CES15 15AF924 15A AC250V P C bo...

Page 34: ...rd 11 Comp motor drive IPM MCC 1596 PS22A76 25A DC1200V P C board 14 Fan motor drive IPM MCC 1610 FSBB20CH60C 20A DC600V P C board 12 P C board IPDU for fan MCC 1610 15 Magnet contactor FC 1SUL AC220...

Page 35: ...35 3 5 Parts Layout in Outdoor Unit 072 type Model MMY MAP0724FT...

Page 36: ...36 096 120 type Model MMY MAP0964FT MAP1204FT...

Page 37: ...37 3 6 Parts Layout in Inverter Assembly 208 230V model MMY MAP0724FT9UL...

Page 38: ...38 208 230V model MMY MAP0964FT9UL MMY MAP1204FT9UL...

Page 39: ...39 460V model MMY MAP0724FT6UL...

Page 40: ...40 460V model MMY MAP0964FT6UL MMY MAP1204FT6UL...

Page 41: ...41 3 7 Outdoor Inverter print circuit board 3 7 1 Interface P C board MCC 1606...

Page 42: ...42 3 7 2 Inverter P C board for compressor MCC 1595 A3 IPDU For 208 230V model MMY MAP 4FT9UL...

Page 43: ...43 3 7 3 Inverter P C board for compressor MCC 1596 A3 IPDU For 460V model MMY MAP 4FT6UL...

Page 44: ...44 3 7 4 Inverter P C board for fan motor MCC 1610 FAN IPDU...

Page 45: ...45 3 7 5 Noise Filter P C board MCC 1608 A B For 208 230V model MMY MAP 4FT9UL...

Page 46: ...46 3 7 6 Noise Filter P C board MCC 1625 A B C For 460V model MMY MAP 4FT6UL...

Page 47: ...lug FP SV 14 TK 1 SV 3E TK 5 Oil header SV 3A Solenoid valve Capillary tube Check valve Check joint Tempe sensor Distributor Strainer Balance pipe service valve Suction gas side service valve Dischage...

Page 48: ...TK 1 TK 2 TK 3 SV 3E TK 5 Oil header SV 3A Solenoid valve Capillary tube Check valve Check joint Tempe sensor Distributor Strainer Balance pipe service valve Suction gas side service valve Dischage g...

Page 49: ...block the liquid line SV2 Connector CN311 White Hot gas bypass 1 Low pressure release function 2 High pressure release function 3 Gas balance function during stop time High pressure sensor Connector C...

Page 50: ...apillary Capillary Capillary Capillary Capillary Capillary Capillary Capillary Capillary Suction gas pipe Suction gas pipe Liquid pipe Discharge gas pipe Suction gas pipe To indoor liquid side To indo...

Page 51: ...xchange unit Operation standard SVD High pressure circuit valve SVDD Pressure valve For delay SVS Low pressure circuit valve SVSS Regulator valve For delay Note In the table status of 4 way valve is i...

Page 52: ...p 1 High pressure SW High pressure SW High pressure SW High pressure SW High pressure SW Inverter Comp 1 Inverter Comp 2 Comp 3 Inverter Comp 2 Inverter Inverter SV3C SV SV3C Accumulator Accumulator T...

Page 53: ...ssure SW High pressure SW Inverter Comp 1 Inverter Comp 2 Comp 3 Inverter Comp 2 Inverter Inverter SV3C SV TK4 SV3C Accumulator Accumulator TS2 Low pressure sensor TS1 4 way valve SVD SVD SVD SVS SVS...

Page 54: ...omp 2 Inverter Inverter SV3C SV SV3C Accumulator Accumulator TS2 TS2 Low pressure sensor w pressure sensor TS1 TS1 4 way valve 4 way valve SVD SVD SVD SVS SVS SVS SVDD SVDD SVDD SVSS SVSS SVSS PMV PMV...

Page 55: ...nce pipe Liquid pipe Dischage gas pipe Suction gas pipe TK5 TK3 TK2 TK1 TK2 TK1 SV3E SV3A SV3B SV SV SV3A SV3B Oil header SV TK5 SV3E Oil header SV3F SV14 Check joint Liquid pipe SV3C SV SV3C SV43 Acc...

Page 56: ...K3 TK2 TK1 TK2 TK1 SV3E SV3A SV3B SV SV SV3A SV3B Oil header SV TK5 SV3E Oil header SV3F SV14 Check joint Liquid pipe SV3C SV SV3C SV43 Accumulator TS2 Check joint Low pressure Low pressure sensor TS1...

Page 57: ...Oil header SV3F SV14 Check joint Liquid pipe SV3C SV43 SV SV SV SV SV41 SV42 Comp 1 Inverter Inverter Comp 3 Inverter TD2 TD1 TD3 SV3C SV43 Accumulator TS2 Check joint Low pressure Low pressure sensor...

Page 58: ...pressure sensor TS1 4 way valve FP TC2 TCJ TC1 PMV TC2 TCJ TC1 PMV TC2 TCJ TC1 Stop Stop Heating PMV TC2 TCJ TC1 Heating Indoor unit FS unit When PMV leaked service valve at liquid side Close fully Tr...

Page 59: ...1 TK2 TK1 SV3E SV3A SV3B SV SV SV3A SV3B Oil header SV TK5 SV3E Oil header SV3F SV14 SV3C SV43 SV SV SV41 Comp 1 Inverter Comp 2 Inverter TK4 TD1 TD2 SV3C Accumulator TS2 Low pressure sensor TS1 TL SV...

Page 60: ...to an abnormality During all heating collective heating PMV control may be provided with PMV1 alone operated at 45 pulses minimum with PMV2 turned off PMV 1 PMV 2 1000 550 500 90 45 Minimum Maximum O...

Page 61: ...be turned off However this condition is the same as normal thermo OFF so that fan operation will be restarted 3 For a specified period after air conditioner startup and during defrosting this control...

Page 62: ...erformed by the header unit and each follower unit individually 2 In concrete terms judgment is based on the relationship between the temperature measurements provided by TK1 TK2 or TK3 on the one han...

Page 63: ...always happen depending on outside air temperature conditions 2 Control details All compressors currently in operation are operated at the minimum speed with those currently not in operation turned o...

Page 64: ...to outdoor unit 2 Details of defrosting control 1 All compressors currently in operation are operated at the minimum speed 2 When a specified amount of time passes from the time the compressors reache...

Page 65: ...SV2 low pressure release control This control function is aimed at preventing a rapid fall in pressure during transient operation It is individually performed by the header outdoor unit and each follo...

Page 66: ...compressor case heater and an accumulator case heater This control function is aimed at preventing the accumulation of refrigerant in those cases and is performed by all outdoor units If the power su...

Page 67: ...he highest mode at a rate of one step 5 seconds 3 After step 2 the normal fan mode is restored when TH falls to 176 F 80 C 4 When TH 221 F 105 C compressors are shut down 5 Compressors are restarted 2...

Page 68: ...ot under any circumstances keep the actuator separated It may damage the valve by causing it to close and exposing it to pressure from sealed liquid 4 When reattaching the actuator after its removal p...

Page 69: ...n 0 06 InWG 15 Pa is to be used enable this function The maximum external static pressures of base units are shown below Table 1 In the case of combined use of multiple outdoor units set all the units...

Page 70: ...rol forced choice CN510 white J01 9 Header unit 2 Power peak cut Control Enhanced Functions CN513 blue SW07 1 2 9 Header unit 5 Night operation sound reduction Control CN508 red Compressor Operation O...

Page 71: ...N OFF 1 2 3 4 ON OFF Connection cable Locally procured OPERATION L1 Display lamp suring power peak cut control Optional PCB Header outdoor unit J16 Cut Shield wire Shield wire Outdoor unit interface P...

Page 72: ...cut control signals Indication lamp Note 1 Specifications of display relay contact The terminal for display output Operation terminal must satisfy the following electrical rating When connecting a co...

Page 73: ...connected to the header outdoor unit U1 7 3 4 External master ON OFF Control TCB PCMO4UL SW1 Operation input switch SW2 Stop input switch CN512 PJ17 TB1 SW1 SW2 COM HEAT COOL Locally procured Optional...

Page 74: ...rovides a rough guide to this capacity reduction Position of noise measuring device 3 3 ft 1 m from the front face of the set and 4 9 ft 1 5 m above ground Measured in anechoic room SW1 Night time sig...

Page 75: ...ided on the interface P C board of the header outdoor unit Jumper wire Description of intervention J01 connected factory default All indoor units operating in a mode different from the selected operat...

Page 76: ...cal rating When connecting a conductive load e g relay coil to loads K1 K2 and K3 insert a surge killer CR for an AC power supply or a diode for preventing back electromotive force for a DC power supp...

Page 77: ...or an AC power supply or a diode for preventing back electromotive force for a DC power supply on the bypass circuit OUTPUT1 CN514 PJ20 OUTPUT2 OUTPUT3 TB1 1 2 5 6 4 3 C2 K1 K2 K3 1 2 3 4 ON OFF SW16...

Page 78: ...ting back electromotive force for a DC power supply on the bypass circuit OUTPUT1 CN514 PJ20 OUTPUT2 OUTPUT3 TB1 1 2 5 6 4 3 C2 K1 K2 K3 1 2 3 4 ON OFF SW16 MONITOR Optional PCB Locally procured See N...

Page 79: ...in power supply is turned on Check basic items mainly the installation work Be sure to enter the check results in checklist 1 and 2 This check is done after the power has been turned on Check that the...

Page 80: ...1 Are the indoor and outdoor communication lines of the header unit connected to the U1 U2 terminals 2 Is the relay connector between the U1 U2 terminal and the U3 U4 terminal removed Set up at shipme...

Page 81: ...line of the central control system connected to the header unit U3 U4 terminals of each refrigerant line The communication line of the central control system may be connected to the communication lin...

Page 82: ...U2 A B Cooling Heating FS unit NOTE The above figure does not described all the electric wiring For details refer to the Installation Manual of FS unit Main check items Check 1 Is the indoor outdoor c...

Page 83: ...r units supplied collectively Is it grounded to earth Is the resistance sufficient 10 M or higher M or higher Is the main power voltage sufficient within FT9 208 230V 10 FT6 460V 10 V Is the diameter...

Page 84: ...the final additional Additional amount of refrigerant Additional refrigerant charge amount lb Actual length of liquid pipe Additional refrigerant charge amount per liquid pipe 1 ft Adjustment amount...

Page 85: ...oller in the case of a wired remote controller Check that a frame as shown in the following figure at left is displayed on the LC display section of the remote controller If no frame is displayed as s...

Page 86: ...t Confirm the items in 8 4 3 Address Setup Procedure and then set up the address according to the operation procedure Be careful to note that the setup operation may differ in group control and centra...

Page 87: ...n the display When the flashing stops and U 1 U 1 light emain lit on the display the setting is complete Interface P C board on the header outdoor unit Example Without central control single refrigera...

Page 88: ...do not change setup Line address Line address Address setting procedure 2 1 Set a system address for each system using SW 13 and 14 on the interface P C board on the header outdoor unit of each system...

Page 89: ...to 3 After the indication U 1 U 1 flash starts flashing on the display When the flashing stops and U 1 U 1 light remains lit on the display the setting is complete 7 Repeat steps 4 to 6 for other refr...

Page 90: ...al address setup from the remote controller in the next to the following page and after SW15 SW04 1 2 SW13 SW30 SW14 SW01 SW02 SW03 D600 D601 D602 D603 D604 SW05 7 segment display Header unit interfac...

Page 91: ...1 1 2 2 3 Indoor unit address 1 2 1 2 1 Group address 0 0 1 2 0 A U1 U2 U3 U4 U3 U4 U3 U4 U3 U4 U3 U4 U5 U6 U1 U2 U5 U6 U1 U2 U5 U6 U1 U2 U5 U6 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U5 U6 B A B A B A B...

Page 92: ...the power 3 Push the buttons simultaneously for 4 seconds or more LCD begins blinking Refrigerant line address 4 Using the buttons set the DN code to 12 12 12 12 12 5 Using the buttons set up the lin...

Page 93: ...erant line After that set up the central control address For central control address setup refer to the installation manual of the central control devices Confirming the indoor unit addresses and the...

Page 94: ...e fan and louvers of the indicated indoor unit are activated 3 Push the button to finish the procedure All the indoor units in the group stop To check all the indoor unit addresses using an arbitrary...

Page 95: ...ddresses of the line 6 Push the button to finish the procedure Changing the indoor unit address using a remote controller To change an indoor unit address using a wired remote controller The method to...

Page 96: ...addresses of indoor units in each refrigerant line using an arbitrary wired remote controller Enter the address check change mode and change the addresses If no number appears on UNIT No no outdoor u...

Page 97: ...the procedure Resetting the address Resetting to the factory default address undecided Method 1 Clearing each address separately using a wired remote controller Set the system address indoor unit addr...

Page 98: ...may still connected with other refrigerant lines Check the connection of the relay connectors between U1 U2 and U3 U4 NOTE Take care to carry out the procedure above correctly otherwise addresses in o...

Page 99: ...ady been set up as they are Set up an address only for the unit where the address is undefined Addresses are allocated from lower numbers Setup procedure Set up the outdoor header units in the refrige...

Page 100: ...s 1 Line address 2 Central remote controller Follower unit B Outdoor unit Indoor unit Remote controller Remote controller Remote controller Main check items Check Relay connector 1 Is the relay connec...

Page 101: ...up the CODE No after setup of address When connecting the multiple indoor units to a single FS unit only group control is available For the indoor unit a remote controller cannot be individually conne...

Page 102: ...ry pushing UNIT LOUVER button left side of the button the indoor unit No in the group control is displayed successively Select an indoor unit of which setting is to be changed In this time the positio...

Page 103: ...board failure Replace the interface PC board E06 After address setup communication from all the indoor units is interrupted under the condition that a normal operation can be performed Check and corre...

Page 104: ...ion line between outdoor units Fig 3 Correct wiring Address setup is performed under the condition of connecting multiple refrigerant lines Fig 3 Correct wiring ON 1 2 SW30 Indoorremote controller sta...

Page 105: ...ion of wiring set up the addresses again and check the number of connected indoor units The number of outdoor units connected to a group is too few in group operation from an indoor remote controller...

Page 106: ...U1 U2 U1 U2 U1 U2 Header unit Header unit U1 U2 Header unit U1 U2 U1 U2 U5 U6 U1 U2 U5 U6 Follower unit U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U5 U6 U1 U2 U1 U2 U1 U2 Line 1 U1 U2 Header unit Foll...

Page 107: ...urn Is air discharged from the discharge port of the indoor unit Is the sound normal When a check code has been displayed on the remote controller remove the cause of the error referring to Check code...

Page 108: ...uring test operation Error is detected as usual Push the button 4 When the test operation has finished push the button to stop the operation The same display as in procedure 1 appears in the display s...

Page 109: ...ion Test heating operation Set the temperature to 64 4 F 18 C using the Temperature setting button Set the temperature to 86 F 30 C using the Temperature setting button After checking for the receivin...

Page 110: ...e a test operation using Start Stop Function of the Indoor Unit from Outdoor Unit in the Service Support Function section Check power voltage of the main power supply Check the cable size of the power...

Page 111: ...or The value of the compressor frequency rps measured with a clamp meter at the compressor lead line is two times the rotation count rps of the compressor Each compressor may have a different frequenc...

Page 112: ...F Section B F 4 Batch start Starts all the connected indoor units collectively Note The contents follow to the setup of remote controller Setup Set SW01 SW02 SW03 to 2 7 1 and push SW04 for 2 seconds...

Page 113: ...n on power at the indoor side before power ON of outdoor unit Set SW01 SW02 SW03 on the interface P C board of the header unit to 2 5 1 C is displayed on 7 segment display A Test run is displayed on t...

Page 114: ...he same board for 2 seconds or more Test run is displayed on the remote controller of the indoor unit to be operated Check that H is displayed on 7 segment display B on the interface P C board of the...

Page 115: ...SW4 for 2 seconds or more on the P C board Test run is displayed on the remote controller of the indoor unit to be operated Check that 7 segment display B on the interface P C board of the header uni...

Page 116: ...this case operation ready or operation mode controlled is displayed on the remote controller If the discharge temperature does not change though COOL or HEAT has been set up from the remote controlle...

Page 117: ...ame board for 2 seconds or more If pushed continuously for 10 seconds or more the operation changes to the individual test operation Match the rotary switches on the interface P C board of the header...

Page 118: ...uttons simultaneously for 4 seconds or more 2 Using buttons set CODE No to FF 3 The display in Section A in the following figure is counted with interval of 5 seconds as 0005 0004 0003 0002 0001 0000...

Page 119: ...ction is performed again Method 1 Be sure to reset power of both the outdoor and the indoor units 2 Turn on the power of the indoor unit prior to the power of the outdoor unit If the power is turned o...

Page 120: ...to turn on the power of the indoor unit prior to the power of the outdoor unit Set the display select switches on the interface P C board of the header unit as follows Set SW01 SW02 SW03 to 2 4 1 Push...

Page 121: ...matically returns to the normal opening 8 7 5 Pulse Motor Valve PMV Forced Open Fully Close fully Function in Outdoor Unit This function is provided to forcedly open or close fully P M V PMV1 PMV2 PMV...

Page 122: ...r hand the solenoid valve output is exchanged when SW02 has been kept with the same number for 5 seconds or more NOTE 2 The mark O in the table indicates that the corresponding solenoid valve is force...

Page 123: ...ode operation 4 After that by changing the setup number of the switches SW02 and SW03 7 segment display B and the fan mode are changed Mode output pattern of the fan is as follows SW02 SW03 7 segment...

Page 124: ...nds or more 3 E 1 is displayed on 7 segment display A 4 The fan of the outdoor unit in which error occurred starts operation within approx 10 seconds after E 1 was displayed In case to operate the fan...

Page 125: ...r more The mode changes to the TO sensor value fix manual mode 3 As shown in the following table TO sensor value can be fixed by setting the rotary switch SW02 on the interface P C board Clear Return...

Page 126: ...id valve forced open close function 1 16 4 7 2 F d Fan forced operation function 15 2 t o Outside temperature sensor manual adjustment function 6 H Heating test operation function 7 C H Indoor collect...

Page 127: ...usly for 4 seconds or more to call up the service monitor mode The service monitor goes on and temperature of the CODE No 00 is firstly displayed 2 Push the temperature setup buttons to select the COD...

Page 128: ...0 10 1 1 1 1 1 1 1 1 1 1 10 10 10 10 psi psi F F F F F F F F pls pls A A A A 4350 435 psi 0080 80 F 0500 500pls 0135 13 5A CODE No Data name Display format Unit Remote controller display example U2 U1...

Page 129: ...3 minute delay period 3 minutes after compressor shutdown Could it just be the air conditioner having gone thermo OFF Could it just be the air conditioner operating in fan mode or put on the timer Cou...

Page 130: ...07 SIM F29 SIM P C board or other indoor error Address setting has not been performed for one or more indoor units also detected at outdoor unit end L08 SIM Indoor group address not set L08 Indoor AC...

Page 131: ...controller E09 Both remote controllers have been set as master remote controller in two remote controller control alarm and shutdown for header unit and continued operation for follower unit Check cod...

Page 132: ...er power supply was reset E31 IPDU communication error Sub MCU communication error E31 E20 E20 01 Connection of outdoor unit from other refrigerant line 02 Connection of indoor unit from other refrige...

Page 133: ...been connected SIM L28 There are insufficient number of IPDUs P C boards in inverter box L29 Error in number of IPDUs SIM L29 Old model outdoor unit prior to 3 series has been connected Outdoor model...

Page 134: ...central control or main remote controller display Indicator light block Sub code Flash Ready Timer Operation F13 Error in temperature sensor built into indoor IGBT TH ALT F13 01 Compressor 1 02 Compr...

Page 135: ...essed regardless of whether the air conditioner is in operation or shut down Procedure To be performed when system at rest 1 Invoke the SERVICE CHECK mode by pushing the buttons simultaneously and hol...

Page 136: ...fault group follower unit error P07 Outdoor heat sink overheating error Poor cooling of electrical component IGBT of outdoor unit P05 Open phase power failure Inverter DC voltage Vdc error MG CTT erro...

Page 137: ...mperature sensor TD2 H16 Oil level detection circuit error Error in outdoor unit TK1 TK2 TK3 TK4 or TK5 circuit L03 Duplicated indoor group header unit L05 Duplicated priority indoor unit as displayed...

Page 138: ...Check code Cause of fault Test run in progress Timer Ready Operation Synchronized blinking Setting incompatibility automatic cooling heating setting for model incapable of it and heating setting for...

Page 139: ...signed same address Check indoor addresses Check for any change made to remote controller connection group individual since indoor address setting Duplicated indoor address I F E07 All stop Signal can...

Page 140: ...n of indoor unit from other line E20 E20 Equipment from other line is found to have been connected when indoor automatic address setting is in progress Disconnect inter line tie cable in accordance wi...

Page 141: ...TC1 sensor error I F F04 F04 All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check resistance characteristics of TD1 sensor Check for defect...

Page 142: ...ck for outdoor P C board I F error Outdoor temperature sensor wiring error TE1 TL I F F16 F16 All stop Readings of high pressure Pd sensor and lowpressure Ps sensor are switched Output voltages of bot...

Page 143: ...compressor having been shut turned off Check current detection circuit wiring Check defect in outdoor P C board A3 IPDU Current detection circuit error I F H05 H05 All stop Discharge temperature of co...

Page 144: ...Check connection of TK1 sensor connector Check resistance characteristics of TK1 sensor Check for defect in outdoor P C board I F Error in temperature sensor for oil level detection I F All stop Disch...

Page 145: ...rror involving TD1 TD2 TD3 TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve C...

Page 146: ...model setting of P C board for servicing outdoor I F P C board Outdoor capacity not set L20 Indoor unit All stop There is duplication in central control address setting Check central control addresses...

Page 147: ...ure SW is activated Check connection of highpressure SW connector Check for defect in Pd pressure sensor Check outdoor service valves discharge gas side suction gas side liquid side to confirm full op...

Page 148: ...ing cooling operation When system is in cooling operation high pressure is detected in follower unit that has been turned off During heating operation When system is in heating operation outdoor PMV 1...

Page 149: ...ging Check resistance characteristics of TD2 sensor Check for defect in 4 way valve Check SV4 circuit for leakage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 Check...

Page 150: ...ispiping of discharge gas suction gas Check wiring between FS unit and indoor unit connection of connectors Check miswiring of SVS SVD valve Discharge temperature TD3 error P19 P19 I F All stop Abnorm...

Page 151: ...tten Check SV5 valve circuit Check for refrigerant overcharging Activation of high pressure protection P22 P22 IPDU All stop Sub code 0 Fan IPDU overcurrent protective circuit A status that the curren...

Page 152: ...or 7 segment display Main remote controller Check code Sub code C05 TCC LINK Continued operation Central control device is unable to transmit signal Check for defect in central control device Check fo...

Page 153: ...ighten it with a pair of pliers etc before connecting the lead How to Check Resistance of Compressor Winding 1 Turn off the power supply 2 Remove compressor leads from the compressors 3 With each comp...

Page 154: ...e controller and indoor units is connected properly Is there no disconnection or connector contact error on harness out of terminal block of indoor unit Is a group control operation Is power of each i...

Page 155: ...normal Is connector connection from U1 U2 terminals of indoor outdoor inter unit wire normal Is the end terminal resistance setup of outdoor unit normal Is power applied to fuse F03 on indoor P C boar...

Page 156: ...correct Is inter unit wire U1 U2 between indoor and outdoor shortcircuited Is connection of inter unit wire between indoor and outdoor correct Is there no error on power wire to outdoor unit Is there...

Page 157: ...Set up address again after resetting power supply Is there any trouble on power line Are U1 U2 U3 and U4 connectors connected Set up one controller as the header and the other follower Remote control...

Page 158: ...cted indoor units within 125 of outdoor units Check outdoor interface P C board 1 To deactivate the capacity over detection Turn SW09 Bit 2 on I F P C board of header outdoor unit to ON Usually OFF Se...

Page 159: ...e source etc Is the end terminal resistance between outdoor units turned on SW30 Bit 1 Connect communication line between indoor and outdoor to one unit per 1 system Correct communication line Turn on...

Page 160: ...D Is main power of follower unit turned on Is communication linebetween outdoor units connected normally Is communication connector CN03 between follower outdoor units connected Clear the error and th...

Page 161: ...ce Check indoor P C board Defect Replace Check indoor main P C board Defect Replace See Indoor unit temperature sensor characteristics on 9 9 Sensor Characteristics See Indoor unit temperature sensor...

Page 162: ...ns detection of Open Short of TS1 sensor Check disconnection of circuit for connection of connector TS1 sensor CN505 White and characteristics of sensor resistance value See Outdoor unit temperature s...

Page 163: ...tion on outdoor I F P C board Pd SW01 02 03 1 1 2 Ps SW01 02 03 1 2 2 No No No Yes Yes Yes Yes No F23 Connector CN500 White F24 Ps sensor error Output voltage error of Ps sensor Pd sensor error Output...

Page 164: ...ompressor starts Is winding resistance between phases of corresponding compressor normal Note 1 Is not it an abnormal overload Is connection of wiring or connection of connector on A3 IPDU P C board n...

Page 165: ...of overload Correct refrigerant stagnation in compressor shell Operation starts Check case heater Compressor error Check A3 IPDU P C board 3 Check the following items mainly 1 Existence of abnormal s...

Page 166: ...No No No stagnation No Error No No leakage or clogging No clogging No clogging Stagnation No error Clogging Clogging Clogging H07 Oil level down detection protection 1 Valves of balance pipes closed...

Page 167: ...SW02 10 and turn on SV3A SV3B SV3C valves 7 segment display Hr 3 While outdoor units are operating check temperature change at secondary side of SV3B valve 4 in the figure If temperature does not rise...

Page 168: ...check for oil equalization circuit Drive the outdoor unit Drive all compressors in the unit After driving for 10 minutes or more check whether temperature of TK1 TK2 and TK3 sensors and temperature of...

Page 169: ...emp or temperature has little change a clogging of strainer of oil equalization circuit clogging of capillary tube or malfunction of check valve is considered Note 1 Refer to the article of the check...

Page 170: ...See Outdoor unit temperature sensor characteristics on 9 9 Sensor Characteristics TK3 Capillary tube Strainer Comp 3 inverter Check valve Yes Yes Yes No Check the clogging of SV3E valve No No No erro...

Page 171: ...code H07 L02 Check code Cause Check code name Outdoor units model disagreed error 1 Not corresponds to Air to Air Heat Exchanger type 2 When outdoor unit is connected Yes Yes L03 L04 No No Check code...

Page 172: ...th two or more units is not available As only one indoor unit with priority is valid change the setup Two or more prior indoor units exist L08 No No Yes Yes L09 L10 Check code Cause Check code name Ch...

Page 173: ...2 Connection error of communication line between outdoor units 3 Outdoor I F P C board error L29 No Yes Yes Yes Yes Yes No No No No Sub code 01 02 03 04 05 06 07 08 09 1 2 A3 IPDU 3 0A 0B 0C 0D 0E 0F...

Page 174: ...ard Open service valve fully Repair outdoor PMV Replace TD1 sensor Check 4 way valve Correct installation of valve coil Replace SV41 valve 1 Service valve of outdoor unit closed 2 Outdoor PMV error 3...

Page 175: ...I F P C board ABNORMAL ABNORMAL ABNORMAL NORMAL NORMAL NORMAL Yes No Is circuit cabling normal Check and correct cabling Is Cooling Heating FS unit normal Repair Cooling Heating FS unit Check incorrec...

Page 176: ...f the cooling duct for the heat sink 5 A3 IPDU P C board error Is power voltage normal Is wiring of A3 IPDU normal Is indoor fan normal Are screws fixing A3 IPDU and heat sink loosened Is there no clo...

Page 177: ...and 1 3 5 Should be 10M or more 2 3 Yes Yes Yes Yes Yes Check fan motor position detective signal Measure voltage with tester between 1 and 5 of CN334 on indoor P C board MCC 1402 MCC 1570 under cond...

Page 178: ...o normal piping Check incorrect piping of discharge gas suction gas main pipes Repair FS unit Is FS unit normal Yes Yes Yes Yes Yes No No No No No P15 Check code Cause Check code name Gas leak detecti...

Page 179: ...ping of discharge gas suction gas main pipes Repair Cooling Heating FS unit Is Cooling Heating FS unit normal P17 Check code Cause Check code name Discharge temperature TD3 error 1 Outdoor unit servic...

Page 180: ...r Outside temp 68 F 20 C or lower TS1 sensor Normal if TS is 122 F 50 C or less in the seasons except summer Outside temp 68 F 20 C or lower See Outdoor unit temperature sensor characteristics on 9 9...

Page 181: ...s Yes Yes Yes Yes No No ABNORMAL ABNORMAL NORMAL NORMAL No No C No No All heating operation Does heating indoor fan normally operate Is indoor PMV normal Is check valve of main discharge pipe normal I...

Page 182: ...there no problem such as stuffing or blast blowing to discharge port of outdoor fan Correct wire connector connection Replace motor Replace fan IPDU Clear the cause of overload Check fan IPDU Yes Yes...

Page 183: ...sor 2 03 Compressor 3 Are connector connection and wiring normal Is the unit grounded Is not winding shorted Is winding resistance 0 1 to 0 4 Is not winding opened Check and correct circuit and cables...

Page 184: ...t hand section of the 7 segment display B U1 OOO OOO Check code To check the check code set the rotary switches SW01 SW02 SW03 to 1 1 1 If there is a sub code the display alternates between the check...

Page 185: ...Value displayed in hexadecimal format B A 9 Oil equalization request Displayed through LED segment lighting pattern If element F shown on sketch at right turned on Header unit oil equalization request...

Page 186: ...SV5 OFF SV6 ON 3 1 0 0 0 SV3A ON SV3B OFF SV3C OFF SV3D OFF 3 0 1 0 0 SV3A OFF SV3B ON SV3C OFF SV3D OFF 3 0 0 1 0 SV3A OFF SV3B OFF SV3C ON SV3D OFF 3 0 0 0 1 SV3A OFF SV3B OFF SV3C OFF SV3D ON 4 1...

Page 187: ...alternately for 1 second and display for 3 seconds respectively Data with negative value is displayed as Letter symbol Data 5 t d 2 Letter symbol Data 6 t d 3 Letter symbol Data 7 t S 1 Letter symbol...

Page 188: ...play of Outdoor Cycle Data Displayed at Header Unit This method is used when displaying follower unit information on the 7 segment display of the header unit B 4 Indoor BUS communication signal receiv...

Page 189: ...onds after setting SW01 to 03 as shown in the table below 7 Segment Display Set SW01 SW02 SW03 to 1 1 16 and push SW04 and hold for at least 5 seconds The latest error code of the header unit U1 will...

Page 190: ...g is completed revert the SW01 SW02 SW03 setting to 1 1 1 2 Oil Level Judgment Results Display example 1 Start operation 3 2 4 Interface P C board of outdoor unit for which oil level judgment results...

Page 191: ...3 bit 2 OFF SW11 DIP SW 4 bit bit 4 Operation switching when indoor water overflow error detected OFF Entire system stops ON System operation continues Room which trouble occurred only stops OFF SW16...

Page 192: ...ction operation switching Indoor unit at not selected side is kept with waiting status J16 O O Demand control 1 Standard specification Corresponds to 2 core wire Normal 3 core wire Successive MAKE sig...

Page 193: ...W16 ON 1 2 SW30 ON 1 3 4 2 SW17 ON 1 3 4 2 SW11 ON 1 3 4 2 SW12 ON 1 3 4 2 SW13 ON 1 3 4 2 SW14 ON 1 3 4 2 SW06 ON 1 3 4 2 SW07 ON 1 3 4 2 SW09 CN30 CN31 CN32 Interface P C board ON 1 3 4 2 SW10 ON J0...

Page 194: ...X Oil level low SV3C bypass capillary Corresponding unit K Oil level detection circuit error H16 04 Oil circuit error SV3A valve Corresponding unit E Oil level low detection and protection H07 XX Oil...

Page 195: ...195...

Page 196: ...nd protection H07 XX Oil level low SV3F valve Corresponding unit J Oil level low detection and protection H07 XX Oil level low Oil return distributor Corresponding unit K Oil level low detection and p...

Page 197: ...197...

Page 198: ...of coil SVD SVS O SVDD circuit O All cooling SV11 ON Mainly cooling Room cooling Mainly heating Room cooling O SVDD circuit O All heating Mainly cooling Room heating Mainly heating Room heating Refrig...

Page 199: ...ant i mpact sound is heard at defrost time z Indoor unit flow selector unit O O SVSS circuit All heating Mainly cooling Indoor heating Mainly heating Indoor heating Refrigerant sound may be heard from...

Page 200: ...1 ON SVS ON SVSS SVDD Suction gas pipe Discharge gas pipe Liquid pipe Suction gas pipe Discharge gas pipe Liquid pipe Suction gas pipe Discharge gas pipe Liquid pipe Suction gas pipe Discharge gas pip...

Page 201: ...ormal operation Cooling thermo OFF 3 Cooling operation OFF ON OFF OFF Cooling mode is not applied to the indoor unit B Fan status H06 An error Low pressure protective operation may occur 2 Heat is set...

Page 202: ...0 221 105 230 110 239 115 248 120 159 2 124 5 98 1 77 8 62 1 49 9 40 3 32 7 26 7 21 9 18 1 15 0 12 5 10 4 8 8 7 4 6 3 5 3 4 5 3 9 3 4 2 9 2 5 2 2 1 9 Resistance k Temperature F C Outdoor TS1 TS2 and T...

Page 203: ...Input output name Input output name 0 5 4 3V 0 54 psi 0 3 73MPa 0 5 3 5V 0 141 psi 0 0 98 MPa 0 540 4 41 740 5 1 0 5 4 3 5 0 142 0 98 213 1 47 740 5 1 0 5 3 5 5 541 3 73 High pressure side output volt...

Page 204: ...re F C 4 20 5 15 14 10 23 5 32 0 41 5 50 10 59 15 68 20 77 25 86 30 95 35 104 40 113 45 122 50 131 55 140 60 149 65 158 70 167 75 176 80 102 9 76 6 57 7 44 0 38 8 26 1 20 4 16 0 12 6 10 0 8 0 6 4 5 2...

Page 205: ...2 87 2 89 2 91 2 93 2 95 2 97 1 46 1 48 1 50 1 52 1 54 1 56 1 58 1 60 1 62 1 64 1 66 1 67 1 69 1 71 1 73 1 75 1 77 1 79 1 81 1 83 1 85 1 87 1 89 1 90 1 92 1 94 1 96 1 98 2 00 2 02 2 04 2 06 2 08 2 10...

Page 206: ...97 0 49 0 49 0 50 0 51 0 51 0 52 0 53 0 53 0 54 0 55 0 55 0 56 0 56 0 57 0 58 0 58 0 59 0 60 0 60 0 61 0 62 0 62 0 63 0 64 0 64 0 65 0 65 0 66 0 67 0 67 0 68 0 69 0 69 0 70 0 71 0 71 0 72 0 72 0 73 0...

Page 207: ...Note 2 It is prohibited to combine compressor backup operation and outdoor unit backup operation Note 3 With a two outdoor unit system containing an MMY MAP120 or MAP096 and an MMY MAP072 do not pref...

Page 208: ...to all the units connected to the system This is the end of compressor backup operation setting Three compressor model SW06 SW06 Bit 1 Bit 2 Bit 3 Bit 4 Bit 1 Bit 2 Bit 3 Bit 4 Factory default settin...

Page 209: ...door unit The following work is common to the header unit and follower units in the system 2 Set the DIP switches of SW06 provided on the interface P C board of the outdoor unit with the faulty compre...

Page 210: ...the fault involves poor insulation of a compressor motor remove the motor leads before the power is turned on Setup of failed outdoor unit 1 Connect the check joint of liquid pipe and the low pressure...

Page 211: ...Turn off the power supply to all the outdoor units and recover the residual refrigerant in the outdoor unit using a refrigerant recovery device Be sure to measure the amount of recovered refrigerant T...

Page 212: ...ing in the test cooling operation mode 5 Set SW01 02 03 on the interface P C board of the header outdoor unit to 1 2 2 to have the low pressure sensor output psi MPa displayed on the 7 segment display...

Page 213: ...hen manifold gauge pressure of failed outdoor unit falls below 0 10 MPa fully close balance pipe packed valve Push SW05 to finish test cooling operation Header unit outdoor unit selected as such Faile...

Page 214: ...ant to be removed according to the capacity of the failed outdoor unit See the table below Example If a 096 type outdoor unit is under repair in a 216 type system Amount of refrigerant required by sys...

Page 215: ...to fully close To maintain fully open state turn off the power switch of the outdoor unit within 2 minutes of the short circuiting of the CN30 pins 2 Be sure to perform vacuuming in from the three ch...

Page 216: ...12 1 Compressor Replacement Procedure Outline WARNING In situations such as indoor unit relocation and repairs it is not possible to recover all the refrigerant held by the system in the outdoor units...

Page 217: ...low 1 Amount of oil in faulty compressor A gal cc 0 A 0 264gal 1000cc 1 Adjust the amount of oil in the new compressor to 0 264gal 1000cc Lay the new compressor down and draw 0 238gal 900cc of oil via...

Page 218: ...llowing the steps below 1 Combined amount of oil in faulty and normal compressors A B gal cc 0 A B 0 528 2000 1 Adjust the amount of oil in the two new compressors to 0 264gal 1000cc each total 0 528g...

Page 219: ...Combined amount of oil in faulty compressor and two normal compressors A B C gal cc 0 A B C 0 793 3000 1 Adjust the amount of oil in the three new compressors to 0 264gal 1000cc each total 0 739gal 3...

Page 220: ...4 If they are closed the heat exchangers of the outdoor unit cannot be vacuum pumped Connect a vacuum pump consecutively to the check joints placed in the liquid and discharge pipes and on the high pr...

Page 221: ...ted to the same refrigerant line fully open Are the characteristics of the TK1 TK2 TK3 TK4 or TK5 sensors of the unit that has replaced compressor correct To next page No No No Yes Yes Yes With the co...

Page 222: ...k from the check valve of discharge pipe E Replace the part Leakage of check valve in oil equalization circuit F 5 With pressure applied to the check joint of with nitrogen if gas escapes from the oil...

Page 223: ...emove the screws for the lower cabinet Front and rear M5 0 4 10 mm 7 pcs for front and 6 pcs for rear 4 Remove the screws for the service panel M5 0 4 10 mm 2 pcs 5 Remove the screws for the suction c...

Page 224: ...tition plate 2 locations 8 Protective plate side 8 Remove the hook of the protective plate side from the hole of the middle partition plate 2 locations Hook Service panel 2 Attachment Carry out instal...

Page 225: ...harge cabinet side covers 4 Remove the flange nut securing the fan motor and propeller fan To loosen the nut turn it clockwise 5 Remove the square washer 6 Remove the propeller fan CAUTION Lift it str...

Page 226: ...it may cause the fan to melt and fall off due to friction heat 2 Be sure to put the square washer in place Otherwise unusual noises and vibrations may result 3 Tighten the flange nut at a torque of 1...

Page 227: ...or plates Left and right M5 0 4 10 mm 2 pcs 2 3 Remove the upper partition plate M5 0 4 10 mm 12 pcs 4 Remove the screws for the support post M5 0 4 10 mm 3 pcs 2 sets 5 Remove the screws for the Heat...

Page 228: ...g the box M4 0 4 10 mm 1 pc Detach the reactor leads 6 terminal block bolts and 2 faston connectors In the case of a 096 type 120 type M5 0 4 10 mm 1 pc for top and 2 pcs for bottom 5 Remove the wire...

Page 229: ...by following the dismantling procedure in reverse 8 1 Before pushing the lower part in pull the reactor leads out Take care so that the wiring does not get caught in the way Reconnect all the wiring B...

Page 230: ...er 2 Remove the screws that fix the heat sink radiation plate 1 M4 x 0 6 15 mm 2 pcs M3 x 0 8 20 mm 3 pcs 3 Remove the comp lead U V W 2 4 Remove the board from the card edge spacer of the corner 1Scr...

Page 231: ...actor box remove the screws at the top and bottom M5 0 4 10 mm and unlock the box by sliding the stopper to the right Before pulling the reactor box tilt it back to free the bottom For 096 and 120 onl...

Page 232: ...board and within the board Tightening torque of board fixing heat sink screws Tightening torque of M4 screws 0 7 0 07 ft lbs 0 98 0 1 N m Tightening torque of M3 screws 0 4 0 07 ft lbs 0 55 0 1 N m 4...

Page 233: ...he upper and lower screws M5 x 0 4 10 mm slide the claw to the right and then remove the reactor box Swing the reactor box upwards slip it downwards and then pull it out For 096 and 120 remove the sep...

Page 234: ...42 SV2 SV3D SV41 Accumulator Front Rear Front SV14 SV3F SV3E SV3D SV11 SV11 SV3B SV3A SV2 SV5 SV6 SV3C Liquid tank Accumulator SV41 SV42 SV43 PS sensor PD sensor Oil separator 2 way valve coils Pressu...

Page 235: ...TS2 sensor black TK1 sensor black One closer to you TK2 sensor blue One farther from you TK5 sensor green Accumulator Liquid tank TL sensor white Oil separator TK4 sensor white Temperature sensors lo...

Page 236: ...o you TK2 sensor blue One farther from you TK3 sensor yellow TK4 sensor white TS2 sensor black Accumulator TL sensor white TK5 sensor green Liquid tank Oil separator TS1 sensor gray Rear side Temperat...

Page 237: ...10 locations 096 type 120 type SV2 valve Discharge pipe 6 35 15 88 SV42 valve Suction pipe 8 0 19 05 SV41 valve Suction pipe 8 0 19 05 Rear side Front side Oil header Liquid pipe 25 4 12 7 Valve circu...

Page 238: ...cides with the slit side of the rubber The band can be placed the other way around but only at the expense of work efficiency 3 Place the SUS band tightly around the pipe fixing rubber so that there i...

Page 239: ...the lower pipe of 4 way valve 9 Take off the pipe remained when pipe was cut off in item 6 10 Move the bypass assembly removed from the old 4 way valve to a new 4 way valve 11 Mount a new 4 way valve...

Page 240: ...Provide adequate cover for the PMV proper to protect it from overheating 5 Take off screws 2 pcs which are fixing the valve of the discharge gas valve assembly at the front side of 4 way valve and als...

Page 241: ...o not attempt to modify the transformer 1 Disassembly procedure 1 Stop operation of the outdoor unit and turn off the breaker 2 Remove the anchor plate screws M5 x 0 4 10mm 4pcs 3 Remove the screws th...

Page 242: ...ansformer housing back screws and then remove the housing M4 x 0 2 6mm 4 pcs 11 Remove the screws that secure the base plate and transformer and then replace the transformer M6 x 0 47 12mm 4 pcs 2 Re...

Page 243: ...compressor MCC 1596 ASM PCB A3 IPDU 14 2 Configuration of inverter assembly Inverter P C board for fan FAN IPDU MCC 1610 Interface P C board Outdoor control P C board MCC 1606 Power supply terminal b...

Page 244: ...board for fan FAN IPDU MCC 1610 Interface P C board Outdoor control P C board MCC 1606 Power supply terminal block Inverter P C board for Compressor 2 A3 IPDU MCC 1596 Inverter P C board for Compress...

Page 245: ...e model following the below procedure Replacement steps 1 Turn off the power supply of the outdoor unit 2 Remove all of the connectors and fast on terminals connected to the interface board Remove the...

Page 246: ...the 5 screws 2 which secures the Compressor IPDU to the Heat sink These screws are to be re used after procedure 4 Remove the Compressor IPDU from the four spacers 3 by pinching the top of the spacer...

Page 247: ...heet and the mounting holes on the PCB with the PCB mounts And fix the Compressor IPDU to the outdoor control unit by the spacers 3 8 Screw the Compressor IPDU to the heat sink by the 5 screws that we...

Page 248: ...pment Set the dip switch SW800 setting of the service board to the switch setting before replacement Replacement Steps 1 Turn off the power supply of the outdoor unit and allow at least 3 minute for t...

Page 249: ...IPDU Right Side For Compressor 3 Dip switch SW800 setting ON 1 2 3 4 OFF ON OFF OFF ON 1 2 3 4 ON OFF OFF OFF ON 1 2 3 4 OFF ON OFF OFF ON 1 2 3 4 ON ON OFF OFF 8 Screw the Compressor IPDU to the hea...

Page 250: ...o not pull the wire 3 Remove all the five screws 2 which secures the FAN IPDU to the Heat sink These screws are to be re used after procedure 4 Remove the Fan IPDU from the three PCB Mounts 3 5 Confir...

Page 251: ...ard type code Product code 4316V453 Noise filter P C board MMY MAP0724FT9UL MMY MAP0964FT9UL MMY MAP1204FT9UL MCC 1608 A B ASM PCB N F 1 Preparation model selection All P C boards of this type leave t...

Page 252: ...s leads both connected to the screw on terminals 8 of the just removed noise filter P C board A and reinstall them on the service P C board A by firmly connecting them to the screw on terminals 8 in t...

Page 253: ...damage 9 Connect the wiring using the connectors and fast on terminals removed in step 3 Make sure that the connectors and fast on terminals are connected correctly and securely 10 If any component on...

Page 254: ...allation of the service P C board so keep them in a safe place Parts code Description Applicable model P C board type code Product code 4316V497 Noise filter P C board MMY MAP0724FT6UL MMY MAP0964FT6U...

Page 255: ...ts leads both connected to the screw on terminals 8 of the just removed noise filter P C board A and reinstall them on the service P C board A by firmly connecting them to the screw on terminals 8 in...

Page 256: ...iring using the connectors and fast on terminals removed in step 3 Make sure that the connectors and fast on terminals are connected correctly and securely 10 If any component on the P C board becomes...

Page 257: ...257 15 EXPLODED DIAGRAM PARTS LIST Outdoor unit 15 1 MMY MAP0724FT9UL...

Page 258: ...258 15 1 MMY MAP0724FT9UL...

Page 259: ...SER RIGHT SIDE SV TD2 SV42 TK2 SV SV41 TK1 SV HIGH PRESSURE SV SV SV SV SV SV FP SV SV11 TS2 HIGH PRESSURE SENSOR 1 26 69 4 65 77 2 32 75 60 78 5 27 73 74 1 95 93 74 23 23 25 25 39 36 37 94 74 74 76 7...

Page 260: ...R ASSY HIGH PRESSURE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE CONDENSER ASSY THREE ROW...

Page 261: ...COMPRESSOR OWNER S MANUAL HOLDER SENSOR TS BAND TUBE CAPILLARY BYPASS TUBE CAPILLARY BYPASS 1 0X2 0X2000L TUBE CAPILLARY ID 1 2 ASM PMV 4 COIL SOLENOID AC200V GUARD WIRE PLATE PROTECTOR SIDE PLATE PRO...

Page 262: ...262 15 1 Inverter Assembly MMY MAP0724FT9UL...

Page 263: ...1 2 SUPPORTER ASSY SENSOR TD F6 TERMINAL BLOCK 3P 100A Power supply terminal block REACTOR Reactor For fan REACTOR Reactor For comp TERMINAL BLOCK 3P 60A Relay terminal block for power supply TERMINA...

Page 264: ...264 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...

Page 265: ...265 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...

Page 266: ...93 1 026 25 79 4 65 81 28 33 72 60 79 2 32 75 94 SV SV14 64 31 93 95 CONDENSER RIGHT SIDE SUB CONDENSER RIGHT SIDE CONDENSER LEFT SIDE SUB CONDENSER LEFT SIDE PULSE MOTOR VALVE 1 61 PULSE MOTOR VALVE...

Page 267: ...UPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE CONDENSER ASSY THREE ROW LEFT CONDENSER ASSY THREE ROW RIGHT COIL PMV VALVE...

Page 268: ...ARY BYPASS TUBE CAPILLARY BYPASS 1 0X2 0X2000L TUBE CAPILLARY ID 1 2 ASM PMV 4 COIL SOLENOID AC200V GUARD WIRE PLATE PROTECTOR SIDE PLATE PROTECTOR 4314N073 4314N075 43146739 43146676 4314N049 4314671...

Page 269: ...269 15 2 Inverter Assembly MMY MAP0964FT9UL MMY MAP1204FT9UL...

Page 270: ...R TD F6 TERMINAL BLOCK 3P 100A Power supply terminal block REACTOR Reactor For fan TERMINAL 6P Relay terminal block for reactor TERMINAL BLOCK 3P 60A Relay terminal block for power supply TERMINAL 6P...

Page 271: ...271 15 3 MMY MAP0724FT6UL...

Page 272: ...272 15 3 MMY MAP0724FT6UL...

Page 273: ...SER RIGHT SIDE SV TD2 SV42 TK2 SV SV41 TK1 SV HIGH PRESSURE SV SV SV SV SV SV FP SV SV11 TS2 HIGH PRESSURE SENSOR 1 26 69 4 65 77 2 32 75 60 78 5 27 73 74 1 95 93 74 23 23 25 25 39 36 37 94 074 74 76...

Page 274: ...R ASSY HIGH PRESSURE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE CONDENSER ASSY THREE ROW...

Page 275: ...SOR OWNER S MANUAL HOLDER SENSOR TS BAND TUBE CAPILLARY BYPASS TUBE CAPILLARY BYPASS 1 0X2 0X2000L TUBE CAPILLARY ID 1 2 ASM PMV 4 COIL SOLENOID AC200V GUARD WIRE PLATE PROTECTOR SIDE PLATE PROTECTOR...

Page 276: ...276 15 3 Inverter Assembly MMY MAP0724FT6UL...

Page 277: ...2 SUPPORTER ASSY SENSOR TD F6 TERMINAL BLOCK 3P 100A Power supply terminal block REACTOR Reactor For fan CONTACTOR MAGNETIC TERMINAL 6P Communication terminal block SUPORT SPACER SPACER EDGE P C BOAR...

Page 278: ...278 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...

Page 279: ...279 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...

Page 280: ...93 1 26 25 79 4 65 81 28 33 72 60 79 2 32 75 94 SV SV14 64 31 93 95 CONDENSER RIGHT SIDE SUB CONDENSER RIGHT SIDE CONDENSER LEFT SIDE SUB CONDENSER LEFT SIDE PULSE MOTOR VALVE 1 61 PULSE MOTOR VALVE 2...

Page 281: ...BBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE RUBBER SUPPORTER PIPE CONDENSER ASSY THREE ROW LEFT CONDENSER ASSY THR...

Page 282: ...ARY BYPASS TUBE CAPILLARY BYPASS 1 0X2 0X2000L TUBE CAPILLARY ID 1 2 ASM PMV 4 COIL SOLENOID AC200V GUARD WIRE PLATE PROTECTOR SIDE PLATE PROTECTOR 4314N073 4314N075 43146739 43146676 4314N049 4314671...

Page 283: ...283 15 4 Inverter Assembly MMY MAP0964FT6UL MMY MAP1204FT6UL...

Page 284: ...UPPORTER ASSY SENSOR TD F6 TERMINAL BLOCK 3P 100A Power supply terminal block REACTOR Reactor For fan TERMINAL 6P Relay terminal block for reactor CONTACTOR MAGNETIC TERMINAL 6P Communication terminal...

Page 285: ...tion RBM Y0383FUL RBM Y0613FUL 1 1 2 3 4 5 6 7 43149418 43149417 4316V338 43146716 4314N088 43F60029 43135013 43135017 BODY ASSY SERVICE BODY ASSY SERVICE PC BOARD ASSY MCC 1431 COIL SOLENOID VPV COIL...

Page 286: ...o Description RBM Y0963FUL 1 2 3 4 5 6 7 43149419 4316V338 43146716 4314N088 43F60029 43135013 43135017 BODY ASSY SERVICE PC BOARD ASSY MCC 1431 COIL SOLENOID VPV COIL SOLENOID SR53 FILTER NOISE CABLE...

Page 287: ...n combined with a gas leak detection device The concentration is as given below Concentration limit Compliance to the local applicable regulations and standards for the concentration limit is required...

Page 288: ...characteristics Page 111 Jul 2013 Revision 4 Warning label chenged Page 6 Sep 2014 Specifications changed Page 17 to 24 Revision 3 FS unit parts list added page 285 286 Dec 2013 Correction of Model n...

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