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No. Part to be replaced Work procedure Remarks 6 2-way valve coils Pressure sensors locations MAP0804 MAP1004 MAP1204 Rear Liquid tank SV3B SV3A SV3C SV3E SV3D Accumulator SV41 SV42 SV2 Oil separator PD sensor Compressor 1 Compressor 2 PS sensor SV5 Inverter assembly Front MAP1404 MAP1604 Rear SV3B SV3C SV3A Liquid tank SV3F Accumulator SV41 SV42 SV43 SV3D SV6 SV3E Oil separator SV2 PD sensor Compressor 1 Compressor 2 PS sensor Compressor 3 Inverter assembly Front 269
No. Part to be replaced Work procedure Remarks 7 Temperature sensors - locations and identification colors MAP0804 MAP1004 MAP1204 Product Front View TD1 sensor (yellow) TD2 sensor (red) Accumulator Compressor 1 Compressor 2 Product Rear View TS1 sensor (gray) TK4 sensor (white) TK1 sensor (black) - One closer to you TK5 sensor (green) Oil separator TL sensor (white) TK2 sensor (blue) - One farther from you Accumulator Liquid tank 270
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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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Page 223 and 224: (C) Heating operation Does heating
Page 227 and 228: (1)Display of System Information (D
Page 229 and 230: (3)Display of Outdoor Cycle Data (D
Page 231 and 232: (5)Display of Indoor Unit Informati
Page 233 and 234: 8-8. Leakage/Clogging of Refrigerat
Page 235 and 236: List of Check Codes Generated upon
Page 237 and 238: 8-9. Sensor Characteristics Outdoor
Page 239 and 240: Indoor TC1 sensor 200 150 Resistanc
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
Page 249 and 250: 10OUTDOOR UNIT REFRIGERANT RECOVERY
Page 251 and 252: [Setup of failed outdoor unit] (13)
Page 253 and 254: [Setup of outdoor units other than
Page 255 and 256: 10-3.Work procedure after Repair Wh
Page 257 and 258: 11-2.Replacement of Compressors
Page 259 and 260: [When replacing normal as well as f
Page 261 and 262: 11-3.Check Procedure to Search Caus
Page 263 and 264: Check items and procedures to follo
Page 265 and 266: No. Part to be replaced Work proced
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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 and 284: CODE No. list (Example) CODE No. (D
Page 285 and 286: 13-2-3.Interface board (MCC-1606) r
Page 287 and 288: (6) Set the dip switch (SW800) sett
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
Page 301 and 302: SMMS-i INV SERVICE PARTS LIST MMY-M
Page 303 and 304: SMMS-i OUTDOOR UNIT MMY-MAP0804T8(Z
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Page 311 and 312: SMMS-i INV SERVICE PARTS LIST MMY-M
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Page 317 and 318: SMMS-i OUTDOOR UNIT MMY-MAP1404HT8(
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Ref. No. Part No. Description MAP08
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SMMS-i INV SERVICE PARTS LIST MMY-M
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SMMS-i OUTDOOR UNIT MMY-MAP0804T8(Z
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REFRIGERATION CIRCUIT DIAGRAM M MOT
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SMMS-i OUTDOOR UNIT MMY-MAP1404HT8(
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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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