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13-2-5.Fan IPDU P.C. Board (MCC-1610) Replacement Procedure Replacement steps: (1) Turn off the power supply of the outdoor unit and allow at least one minute for the capacitor to discharge. Confirm that the light of the LED (D640) fades away. (2) Remove all the connectors and the fast-on terminals (1) connected to the FAN IPDU. (Remove the connectors and fast-on terminals by pulling the connector body. Do 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). 3 LED (D640) Screw 2 2 Fast-on terminal 1 RED lead wire Fast-on terminal 1 WHITE lead wire Fast-on terminal 1 BLACK lead wire FAN IPDU (MCC-1610) 3 2 2 2 PCB Mounts 3 Push this part to the direction of the arrow. And remove the PCB. (5) Confirm that no dirt or damage is on the sub heat sink. As it can reduce the heat transfer efficiency, and cause a breakdown. Remove the PCB IC701 DB510 Heat Sink Sub Heat Sink Q590 DB509 (6) Align the PCB mount holes on the PCB with the PCB mounts, and fix the FAN IPDU to the outdoor control unit by clipping the PCB into the PCB mounts (3). (7) Screw the FAN IPDU to the heat sink by the five screws that were removed in step (3). If the screws are loose, the effected component will generate heat, and cause in to breakdown. Do not use an electric driver or an air driver, as it can cause component damage. The torque of 5 screws (IC701, DB509, DB510 and Q590) is “0.55Nm”. (8) Re-connect the connectors and fast-on terminals(1). Be sure that all the connectors and the fast-on terminals are connected correctly and securely inserted. (9) If the components on the PCB were bent during this procedure, straighten them so they do not to touch other parts. (10)Install the cover, then turn on the supply. Check the operation. 287
13-2-6.Noise Filter P.C. Board (MCC-1608 A, B) Replacement Procedure All P.C. boards of this type leave the factory with default settings that are common to all applicable models. When replacing a P.C. board assembly on site, follow the procedure described below. (1) Turn off the power to the outdoor unit. (2) Remove the terminal block sub-assembly (1). Remove the screws on the power supply terminal block (4) and the screws (3) securing the terminal block subassembly (1). • The screws will be reused during the installation of the service P.C. board, so keep them in a safe place. Example: MMY-MAP1004HT8∗(Z)(ZG) Noise filter P.C. board (MCC-1608) 9 Line filter Card edge spacer 7 Noise filter P.C. board (431 6V 440) 3 8 8 Screw-on terminal 8 5 Screw Remove terminal block sub-assembly (1). 2 Lead (white) 2 Lead (red) 2 Screw Lead (black) Noise filter P.C. board (A) (MMC-1608) 2 Lead (gray) 4 3 Power supply terminal block Screw 8 8 7 7 8 7 7 3 Noise filter P.C. board (B) (MMC-1608) 3 3 6 Screw 7 288
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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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8-8. Leakage/Clogging of Refrigerat
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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)
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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 and 284: CODE No. list (Example) CODE No. (D
Page 285 and 286: 13-2-3.Interface board (MCC-1606) r
Page 287: (6) Set the dip switch (SW800) sett
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
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SMMS-i OUTDOOR UNIT MMY-MAP1404HT8(
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REFRIGERATION CIRCUIT DIAGRAM M MOT
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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-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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