SERVICE MANUAL - Toshiba

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2 Parts Rating2-1. Outdoor Unit (50Hz model: MMY-MAP4HT8-E,MAP4HT8-TR, MAP4HT8, MAP4T8-SG)Name Model SpecificationMMY-MAP0804MMY-MAP1004MMY-MAP1204MMY-MAP1404MMY-MAP16041 Compressor DA421A3FB-29M Output: 2.3kW×2 O1 Compressor DA421A3FB-29M Output: 3.1kW×2 O1 Compressor DA421A3FB-29M Output: 4.2kW×2 O1 Compressor DA421A3FB-29M Output: 3.0kW×3 O1 Compressor DA421A3FB-29M Output: 3.6kW×3 O2 4-way valve coil STF AC220-240V 50Hz O O O O O3 Pulse motor valve coil HAM-MD12TF-6 DC12V O O O O O452-way valve coil VPV AC220-240V 50HzSV2,SV3A,SV3B,SV3C,SV3D,SV3E2-way valve coil FQ-G593 AC220-240V 50HzSV41,SV42,SV5AC220-240V 50HzSV2,SV3A,SV3B,SV3C,SV3D,SV3E,SV3F,SV6AC220-240V 50HzSV41,SV42,SV43O O OO O O6 High-pressure SW ACB-4UB32W OFF:3.73MPa ON:2.9MPa O O O O O7 Pressure sensor (For high pressure) NSK-BC038F-067 0.5~4.3V/0~3.73MPa O O O O O8 Pressure sensor (For low pressure) NSK-BC010F-067 0.5~3.5V/0~0.98MPa O O O O O9 Fan motor STF-340A1000-1 DC280V/1kW O O O O O10 Case heater (For comp.) AC240V/29W O O O O O11 Case heater (For accum.) AC240V/55W O O O O O12 Fusible plug 73°C O O O O OOOOO43
2-2. Outdoor Unit (60Hz model: MMY-MAP4HT7)Name Model SpecificationMMY-MAP0804MMY-MAP1004MMY-MAP1204MMY-MAP1404MMY-MAP16041 Compressor DA421A3FB-29M Output: 2.3kW×2 O1 Compressor DA421A3FB-29M Output: 3.1kW×2 O1 Compressor DA421A3FB-29M Output: 4.2kW×2 O1 Compressor DA421A3FB-29M Output: 3.0kW×3 O1 Compressor DA421A3FB-29M Output: 3.6kW×3 O2 4-way valve coil STF AC208-230V 60Hz O O O O O3 Pulse motor valve coil HAM-MD12TF-6 DC12V O O O O O452-way valve coil VPV AC208-230V 60HzSV2,SV3A,SV3B,SV3C,SV3D,SV3E2-way valve coil FQ-D640 AC208-230V 60HzSV41,SV42,SV5AC208-230V 60HzSV2,SV3A,SV3B,SV3C,SV3D,SV3E,SV3F,SV6AC208-230V 60HzSV41,SV42,SV43O O OO O O6 High-pressure SW ACB-4UB32W OFF:3.73MPa ON:2.9MPa O O O O O7 Pressure sensor (For high pressure) NSK-BC038F-067 0.5~4.3V/0~3.73MPa O O O O O8 Pressure sensor (For low pressure) NSK-BC010F-067 0.5~3.5V/0~0.98MPa O O O O O9 Fan motor STF-340A1000-1 DC280V/1kW O O O O O10 Case heater (For comp.) AC240V/29W O O O O O11 Case heater (For accum.) AC240V/55W O O O O O12 Fusible plug 73°C O O O O OOOOO44
Page 1 and 2: FILE No. A10-005AIR CONDITIONER (MU
Page 3 and 4: 4-1. Normal Operation (COOL Mode /
Page 5 and 6: 9-4. Cooling-Season Outdoor Unit Ba
Page 7 and 8: Definition of Protective GearWhen t
Page 9 and 10: Precautions for SafetyThe manufactu
Page 11 and 12: Use specifiedparts.When any of the
Page 13 and 14: Only a qualified installer (*1) or
Page 15 and 16: SpecificationsModelMMY-MAP0804HT8-E
Page 17 and 18: Carrying in the Outdoor UnitCAUTION
Page 19 and 20: Selection of Pipe SizeCoupling size
Page 21 and 22: Table 2Standard typeHigh Efficiency
Page 23 and 24: 4. Tools(1) Required Tools for R410
Page 25 and 26: Models: MMY-MAP1404 and MAP160424
Page 27 and 28: 1-2-2. Compact 4-way Cassette TypeM
Page 29 and 30: 1-2-4. 1-way Air Discharge Cassette
Page 31 and 32: 1-2-6. 2-way Air Discharge Cassette
Page 33 and 34: 1-2-8. Concealed Duct High Static P
Page 35 and 36: 1-2-9. Slim Duct TypeModels: MMD-AP
Page 37 and 38: 1-2-11.High Wall Type 2 seriesModel
Page 39 and 40: 1-2-13.Floor Standing Cabinet TypeM
Page 41 and 42: 1-2-15.Floor Standing TypeModels: M
Page 43: Models: MMD-AP0721HFE and MMD-AP096
Page 47 and 48: 2-4. Outdoor Inverter (60Hz model:
Page 49 and 50: 2-way Air Discharge Cassette TypeMo
Page 51 and 52: Concealed Duct High Static Pressure
Page 53 and 54: Floor Standing TypeModel MMF-AP 015
Page 55 and 56: 14, 16HPModel: MMY-MAP1404, MAP1604
Page 57 and 58: Outdoor Unit (14, 16HP)Model: MMY-M
Page 59 and 60: 2-8-2. Inverter P.C. board for comp
Page 61 and 62: 3 Refrigerant Piping Systematic Dra
Page 63 and 64: Explanation of Functional PartsFunc
Page 65 and 66: 4 Combined Refrigerant Piping Syste
Page 67 and 68: 4-3. Normal Operation (HEAT Mode)He
Page 69 and 70: 4-5. Emergency Operation (Heating O
Page 71 and 72: 5 Control Outline Indoor UnitContro
Page 73 and 74: NO. Item Specification outline Rema
Page 75 and 76: NO. Item Specification outline Rema
Page 77 and 78: Outdoor UnitItem Description of ope
Page 79 and 80: Item Description of operation, nume
Page 85 and 86: 1 Cooling operation under low outsi
Page 87 and 88: Centralcontrolremotecontroller(opti
Page 89 and 90: 6-1-2. When Wireless Remote Control
Page 91 and 92: Centralcontrolremotecontroller(opti
Page 93 and 94: XYDC5VPower supply circuitMain (sub
Page 95 and 96:
6-2. Indoor Printed Circuit BoardMC
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MCC-1403 Power supplyPower supplytr
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6-4. Test Operation of Indoor Unit
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Function CODE No. (DN Code) Table (
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TypeDN code “10”Value Type Mode
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▼ Ventilating fan control from re
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6-7. Applied control for Outdoor Un
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(2) Indoor unit setup method for pr
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6-8-1. Power peak-cut Control (Stan
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6-8-3. Snowfall Fan ControlHeader o
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6-8-6. Operation Mode Selection Con
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6-8-8. Compressor Operation OutputO
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7 TEST OPERATION7-1. Procedure and
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(2) In the case that a central cont
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• Check the additional amount of
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7-4. Address SetupThis product requ
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(Example)Controlling 2 or more refr
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10 Set the central control address.
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Manual address setup from the remot
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To find an indoor unit’s position
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4 Push the TIME / buttons repeatedl
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2) Turn on dip switch 2 of SW30 on
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7-4-4. Check after Address Setup wh
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7-5-2. Operation from the indoor re
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Miswiring exampleFigureRemotecontro
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7-6-2. Cooling/Heating Test Operati
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(2) Test operationSTARTTest operati
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7-7. Service Support Function7-7-1.
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7-7-2. Function to Start/Stop (ON/O
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(2) Heating test operation function
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(4) Individual start/stop (ON/OFF)
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(2)Clearing error by using switches
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7-7-5. Pulse Motor Valve (PMV) Forc
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7-7-8. Fan Operation Check in Outdo
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7-7-10.Manual Adjustment Function o
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7-7-11.Monitor Function of Remote C
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8 TROUBLESHOOTING8-1. Overview(1) B
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(Error detected by main remote cont
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F12 - F12 ALTF15 - F15 ALTF16 - F16
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(Errors detected by IPDU featuring
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Using TCC-LINK central control remo
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Light block Check code Cause of fau
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8-4. Check Codes Displayed on Remot
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MainremotecontrollerCheck codeOutdo
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MainremotecontrollerP04P05P07P10Che
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Errors Detected by TCC-LINK Central
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8-5. Diagnosis procedure for each c
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Check code Check code name CauseChe
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Check code Check code nameCause[E18
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Check code Check code nameCause[E31
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Check code Check code nameCause[F15
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Check code Check code nameCause[H01
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(*3) Check for solenoid valve of al
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Check code Check code nameCause[L17
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Check code Check code nameCause[P04
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(C)Heating operationDoes heatingind
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(1)Display of System Information (D
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(3)Display of Outdoor Cycle Data (D
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(5)Display of Indoor Unit Informati
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8-8. Leakage/Clogging of Refrigerat
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List of Check Codes Generated upon
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8-9. Sensor CharacteristicsOutdoor
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Indoor TC1 sensor200150Resistance[k
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240Outdoor Unit▼ Ps sensor charac
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9-2. Compressor Backup Operation Se
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(6) Turn on the power supply to all
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(8) Set Bits 1 and 2 of SW30 on the
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10OUTDOOR UNIT REFRIGERANTRECOVERY
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[Setup of failed outdoor unit](13)W
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[Setup of outdoor units other than
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10-3.Work procedure after RepairWhe
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11-2.Replacement of Compressors•
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[When replacing normal as well as f
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11-3.Check Procedure to Search Caus
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Check items and procedures to follo
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No. Part to be replaced Work proced
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13P.C. BOARD EXCHANGE PROCEDURES In
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Procedure 1: Reading Setting Data f
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Procedure 3: Writing Setting Data i
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CODE No. list (Example)CODE No. (DN
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13-2-3.Interface board (MCC-1606) r
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(6) Set the dip switch (SW800) sett
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13-2-6.Noise Filter P.C. Board (MCC
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(7) Install the service P.C. boards
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040010033046050078045 046 078044 04
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SMMS-i OUTDOOR UNITMMY-MAP1404HT8(Z
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REFRIGERATION CIRCUIT DIAGRAMMMOTOR
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Ref.No.Part No.DescriptionMAP0804HT
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NSW08ONOFFSW10ONSW09ONSW07ONSW06ONB
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SMMS-i OUTDOOR UNITMMY-MAP0804T8(Z)
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032010026 027(SV41)046 050 078031 (
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Ref.No.Part No.DescriptionMAP0804T8
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NONOFFONONONON3 4211BLKWHIONONONONB
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040010033046050078045 046 078044 04
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SMMS-i OUTDOOR UNITMMY-MAP0804T8(Z)
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032010026 027(SV41)046 050 078031 (
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040010033046050078045 046 078044 04
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032010026 027(SV41)046 050 078046 0
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040010033046050078045 046 078044 04
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SMMS-i OUTDOOR UNITMMY-MAP1404T8-SG
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WARNINGS ON REFRIGERANT LEAKAGEChec
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SERVICE MANUAL - Toshiba

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