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Contents
1. Precautions ................................................................................................................................................................................... 1-1
1-1. Precautions for the Service............................................................................................................................................................... 1-1
1-2. Precautions for the Static Electricity and PL .............................................................................................................................. 1-1
1-3. Precautions for the Safety ................................................................................................................................................................ 1-1
2. Product Specifications .............................................................................................................................................................. 2-1
2-1. Product Specifications ...................................................................................................................................................................... 2-1
2-2. Specifications of optional items .................................................................................................................................................... 2-4
2-2-1. Accessories .............................................................................................................................................................................. 2-4
3. Disassembly and reassembly ................................................................................................................................................ 3-1
Necessary tools ............................................................................................................................................................................................ 3-1
3-1. Fan Coil Unit ......................................................................................................................................................................................... 3-2
3-1-1. 1-Way Cassette Type ............................................................................................................................................................ 3-2
■ AG026/032MN1DEH/EU
..................................................................................................................................................... 3-2
■ AG042MN1DEH/EU
.............................................................................................................................................................. 3-11
3-1-3. Circular Cassette Type ......................................................................................................................................................... 3-18
■AG041/060/072/090/105MN4DKH/EU
........................................................................................................................ 3-18
3-1-3. Circular Cassette Type ......................................................................................................................................................... 3-24
■ AG060/072/090/105MN4PKH/EU
................................................................................................................................. 3-24
4. Troubleshooting ......................................................................................................................................................................... 4-1
4-1. Set fan coil unit address and installation options .................................................................................................................... 4-1
4-1-1. Option setting procedure and setting method (Normal remote controller) ................................................... 4-1
4-1-2. Option setting procedure and setting method (360 cassette remote controller only)
................................
4-5
4-1-3. Fan Coil Unit Address (MAIN/RMC) Setting
................................................................................................................
4-10
4-1-4. Fan Coil Unit Installation Option Setting (setting option to suit installation site conditions)
.................... 4-11
4-1-5. Option code per model
....................................................................................................................................................... 4-14
4-2. What to check before diagnosis ..........................................................................................................................................
4-15
4-2-1. Lamp combination expression method DISPLAY
.....................................................................................................
4-15
4-2-2. Number expression method DISPLAY (fan coil unit, cable remote control, etc.)
...........................................
4-19
4-3. Appropriate Measures for Different Symptoms
............................................................................................................
4-20
4-3-1. Fan coil unit ROOM sensor error (OPEN/SHORT)
.....................................................................................................
4-20
4-3-2. Fan coil unit EVAP IN sensor error (OPEN/SHORT)
.................................................................................................. 4-21
4-3-3. Fan coil unit EVAP OUT sensor error (OPEN/SHORT)
.............................................................................................. 4-22
4-3-4. Water temperature increase prevention error ......................................................................................................... 4-23
4-3-5. E153 : Floating Switch detection of fan coil unit Drain Pump
............................................................................... 4-24
4-3-6. Fan coil unit Fan operation error
....................................................................................................................................
4-25
4-3-7. EEPROM error
.......................................................................................................................................................................
4-26
4-3-8. Fan coil unit remote control option error ....................................................................................................................
4-27
4-3-9. Error due to confusion between use of Fahrenheit and Celsius
.......................................................................... 4-28