Table of Contents
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Definition of Qualified Installer or Qualified Service Person....................... 4
Warning Indications on the Air Conditioner Unit .......................................... 6
Precaution for Safety ....................................................................................... 7
Refrigerant (R32 or R410A) ............................................................................ 14
1. SPECIFICATION ...................................................................................... 16
2. FAN CHARACTERISTICS ......................................................................... 19
3. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ...................................... 20
4. WIRING DIAGRAM ................................................................................... 22
5. PARTS RATING ........................................................................................ 23
6. CONTROL BLOCK DIAGRAM................................................................. 24
6- 1. Indoor Controller Block Diagram .................................................................... 24
6- 2. Control Specifications ...................................................................................... 27
6-3. Indoor Print Circuit Design Board ................................................................... 36
7. TROUBLESHOOTING .............................................................................. 40
7- 1. Summary of Troubleshooting ......................................................................... 40
7- 2. Check Code List (Indoor) ................................................................................. 45
7- 3. Diagnostic Procedure for Each Check Code (Indoor Unit) ........................... 50
8. REPLACEMENT OF SERVICE P.C. BOARD .......................................... 63
8-1. Indoor control P.C. Board ............................................................................... 63
8- 2. Fan IPDU P.C. Board (MMC-1610) ................................................................... 68
9. SETUP AT LOCAL SITE AND OTHERS ................................................ 69
9- 1. Indoor Unit......................................................................................................... 69
9- 2. Setup at Local Site / Others ............................................................................. 79
9- 3. How to Set up Central Control Address Number ........................................... 81
10. ADDRESS SETUP.................................................................................... 83
10 - 1. Address Setup ................................................................................................ 83
10 - 2. Address Setup & Group Control.................................................................... 84
10 - 3. Address Setup (Manual Setting from Remote Controller) ........................... 86
10 - 4. Confirmation of indoor unit No. position...................................................... 87
11. DETACHMENTS ..................................................................................... 88
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