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Outdoor Unit 13-2.Replacement of Outdoor P.C. Boards 13-2-1.List of service P.C. boards Part code Description Applicable model P.C. board type code Product code 431 6V 420 Interface P.C. board MMY-MAP0804 MCC-1606 ASM-PCB(I/F) 431 6V 441 Comp-IPDU P.C. board MMY-MAP1004 MCC-1596 ASM-PCB(A3IPDU) MMY-MAP1204 431 6V 422 Fan IPDU P.C. board MMY-MAP1404 MCC-1610 ASM-PCB(FANIPDU) 431 6V 440 Noise filter P.C. board MMY-MAP1604 MCC-1608-A,B ASM-PCB(N/F) 13-2-2.Configuration of inverter assembly MMY-MAP1204∗ MMY-MAP1004∗ MMY-MAP0804∗ MMY-MAP1404∗ MMY-MAP1604∗ Inverter P.C. 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 fan [Fan IPDU] (MCC-1610) Interface P.C. board [Outdoor control P.C. board] (MCC-1606) Power supply terminal block Communication terminal block Magnet switch Inverter P.C. Board for Compressor 1 [A3 IPDU] (MCC-1596) Inverter P.C. Board for Compressor 2 [A3 IPDU] (MCC-1596) Magnet switch Communication terminal block Inverter P.C. board for Compressor 1 (MCC-1596) Inverter P.C. board for Compressor 2 (MCC-1596) Inverter P.C. board for Compressor 3 (MCC-1596) 283
13-2-3.Interface board (MCC-1606) replacement method This Interface board is commonly installed in different models before shipment. When the board assembly is to be replaced, check the displayed inspection contents below and replace the board in accordance with the 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 connectors and fast-on terminals by pulling the connector body. Do not pull the wire). (3) Remove the interface board from the six PCB mounts (1). (4) Cut the jumper wires of the service board, as instructed in the table below. The jumper setting differs from original supplied PCB, therefore be sure to configure the Jumpers as in the table below. If the model is not specified, inspection code “L10” is displayed and the equipment will not operate. Model name J02 J12 J11 J10 J09 J22 Service P.C. Board Yes Yes Yes Yes Yes Yes MMY-MAP1204HT8(Z)(ZG) * MMY-MAP1204HT7(Z)(ZG) * — — — — Cut Cut MMY-MAP1004HT8(Z)(ZG) * MMY-MAP1004HT7(Z)(ZG) * — — — Cut — Cut MMY-MAP0804HT8(Z)(ZG) * MMY-MAP0804HT7(Z)(ZG) * — — — Cut Cut Cut MMY-MAP1604HT8(Z)(ZG) * MMY-MAP1604HT7(Z)(ZG) * — Cut Cut Cut — Cut MMY-MAP1404HT8(Z)(ZG) * MMY-MAP1404HT7(Z)(ZG) * — Cut Cut Cut Cut Cut MMY-MAP1204T8(Z)(ZG) * Cut — — — Cut Cut MMY-MAP1004T8(Z)(ZG) * Cut — — Cut — Cut MMY-MAP0804T8(Z)(ZG) * Cut — — Cut Cut Cut MMY-MAP1604T8(Z)(ZG) * Cut Cut Cut Cut — Cut MMY-MAP1404T8(Z)(ZG) * Cut Cut Cut Cut Cut Cut MMY-MAP1204HT5(Z)(ZG) — — — — Cut — MMY-MAP1004HT5(Z)(ZG) — — — Cut — — MMY-MAP0804HT5(Z)(ZG) — — — Cut Cut — MMY-MAP1604HT5(Z)(ZG) — Cut Cut Cut — — MMY-MAP1404HT5(Z)(ZG) — Cut Cut Cut Cut — * The following characters can be attached to the end of model name in according with the destination; -E, -TR, TR, -SG, -C, -K. Interface P.C.Board (431-6V-420) 1 1 PCB Mounts Dip Switches SW06 SW11 SW07 SW12 SW09 SW13 SW10 SW14 1 Push this part to the direction of the arrow. And remove the PCB. SW16 SW17 Jumpers 1 1 PCB Mounts 1 1 (5) Set the dip switch settings of the service board to match the switch settings of the PCB being replaced. (6) Install the service board to the outdoor control unit (Confirm that it is securely fixed to the PCB Mounts). (7) Connect the connectors and fast-on terminals (Confirm that they are correctly and securely inserted). (8) If a component on the board is bent during board replacement, adjust it manually ensuring that it is not short or contact other parts. (9) Install the cover, then turn on the power supply. Check the operation. 284
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AIR CONDITIONER (MULTI TYPE) SERVIC
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4-1. Normal Operation (COOL Mode /
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9-4. Cooling-Season Outdoor Unit Ba
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Definition of Protective Gear When
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Precautions for Safety The manufact
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Use specified parts. When any of th
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Only a qualified installer (*1) or
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Specifications Model MMY-MAP0804HT8
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Carrying in the Outdoor Unit CAUTIO
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Selection of Pipe Size Coupling siz
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Table 2 Standard type High Efficien
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4. Tools (1) Required Tools for R41
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Models: MMY-MAP1404* and MAP1604 *
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1-2-2. Compact 4-way Cassette Type
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1-2-4. 1-way Air Discharge Cassette
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1-2-6. 2-way Air Discharge Cassette
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1-2-8. Concealed Duct High Static P
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1-2-9. Slim Duct Type Models: MMD-A
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1-2-11.High Wall Type 2 series Mode
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1-2-13.Floor Standing Cabinet Type
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1-2-15.Floor Standing Type Models:
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Models: MMD-AP0721HFE and MMD-AP096
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2-2. Outdoor Unit (60Hz model: MMY-
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2-4. Outdoor Inverter (60Hz model:
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2-way Air Discharge Cassette Type M
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Concealed Duct High Static Pressure
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Floor Standing Type Model MMF-AP 01
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14, 16HP Model: MMY-MAP1404* , MAP1
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Outdoor Unit (14, 16HP) Model: MMY-
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2-8-2. Inverter P.C. board for comp
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3 Refrigerant Piping Systematic Dra
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Explanation of Functional Parts Fun
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4 Combined Refrigerant Piping Syste
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4-3. Normal Operation (HEAT Mode) H
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4-5. Emergency Operation (Heating O
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5 Control Outline Indoor Unit Cont
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NO. Item Specification outline Rema
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NO. Item Specification outline Rema
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Outdoor Unit Item Description of op
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Item Description of operation, nume
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1 Cooling operation under low outsi
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Central control remote controller (
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6-1-2. When Wireless Remote Control
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Central control remote controller (
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X Y DC5V Power supply circuit Main
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6-2. Indoor Printed Circuit Board M
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MCC-1403 Power supply Power supply
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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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Type DN code “10” Value Type Mo
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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 Control Header
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6-8-6. Operation Mode Selection Con
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6-8-8. Compressor Operation Output
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7 TEST OPERATION 7-1. 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 Setup This product req
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(Example) Controlling 2 or more ref
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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 example Figure Remote con
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7-6-2. Cooling/Heating Test Operati
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(2) Test operation START Test opera
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7-7. Service Support Function 7-7-1
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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 TROUBLESHOOTING 8-1. Overview (1)
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(Error detected by main remote cont
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F12 - F12 ALT F15 - F15 ALT F16 - F
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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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Main remote controller Check code O
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Main remote controller P04 P05 P07
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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 Cause Ch
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Check code Check code name Cause [E
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Check code Check code name Cause [E
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Check code Check code name Cause [F
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Check code Check code name Cause [H
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(*3) Check for solenoid valve of al
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Check code Check code name Cause [L
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Check code Check code name Cause [P
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(C) Heating operation Does heating
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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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Page 235 and 236: List of Check Codes Generated upon
Page 237 and 238: 8-9. Sensor Characteristics Outdoor
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Page 241 and 242: 240 Outdoor Unit ▼ Ps sensor char
Page 243 and 244: 9-2. Compressor Backup Operation Se
Page 245 and 246: (6) Turn on the power supply to all
Page 247 and 248: (8) Set Bits 1 and 2 of SW30 on the
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Page 251 and 252: [Setup of failed outdoor unit] (13)
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Page 257 and 258: 11-2.Replacement of Compressors
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Page 261 and 262: 11-3.Check Procedure to Search Caus
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Page 277 and 278: 13P.C. BOARD EXCHANGE PROCEDURES I
Page 279 and 280: Procedure 1: Reading Setting Data f
Page 281 and 282: Procedure 3: Writing Setting Data i
Page 283: CODE No. list (Example) CODE No. (D
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Page 289 and 290: 13-2-6.Noise Filter P.C. Board (MCC
Page 291 and 292: (7) Install the service P.C. boards
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Page 295 and 296: SMMS-i OUTDOOR UNIT MMY-MAP1404HT8(
Page 297 and 298: REFRIGERATION CIRCUIT DIAGRAM M MOT
Page 299 and 300: Ref. No. Part No. Description MAP08
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Ref. No. Part No. Description MAP08
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SMMS-i OUTDOOR UNIT MMY-MAP1404HT8(
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REFRIGERATION CIRCUIT DIAGRAM M MOT
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SMMS-i INV SERVICE PARTS LIST MMY-M
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SMMS-i OUTDOOR UNIT MMY-MAP0804HT7(
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SMMS-i OUTDOOR UNIT MMY-MAP1404T8-S
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WARNINGS ON REFRIGERANT LEAKAGE Che
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