External factors ............................................................................................................................................................... 192

5.3.1

Checking procedures ...................................................................................................................................... 192

6 Maintenance

6.1

To clean the outdoor unit heat exchanger..................................................................................................................... 193

6.2

To clean the indoor unit heat exchanger ....................................................................................................................... 193

6.3

To clean the indoor unit heat exchanger in extreme condition .................................................................................... 194

6.4

To clean the indoor unit and wireless remote control .................................................................................................. 194

6.5

To clean the front panel ................................................................................................................................................. 195

6.6

To clean the air filters ..................................................................................................................................................... 195

6.7

To clean the titanium apatite deodorising filter and the silver particle filter (Ag-ion filter)......................................... 196

6.8

To replace the titanium apatite deodorising filter and the silver particle filter (Ag-ion filter) ..................................... 197

7 Technical data

7.1

Detailed information setting mode ................................................................................................................................ 198

7.1.1

Detailed information setting mode: Indoor unit ........................................................................................... 198

7.1.2

Detailed information setting mode: Outdoor unit ........................................................................................ 198

7.1.3

Detailed information setting mode: Remote controller................................................................................ 198

7.2

Wiring diagram................................................................................................................................................................ 199

7.2.1

Wiring diagram: Indoor unit........................................................................................................................... 199

7.2.2

Wiring diagram: Outdoor unit........................................................................................................................ 203

7.3

Piping diagram ................................................................................................................................................................ 207

7.3.1

Piping diagram: Indoor unit............................................................................................................................ 207

7.3.2

Piping diagram: Outdoor unit......................................................................................................................... 209

7.4

Component overview...................................................................................................................................................... 211

7.4.1

Component overview: Outdoor unit.............................................................................................................. 211

7.4.2

Component overview: Indoor unit................................................................................................................. 213

7.5

Field information report ................................................................................................................................................. 214

7.6

Service tools .................................................................................................................................................................... 217

7.7

Field settings ................................................................................................................................................................... 218

7.7.1

Field settings: Indoor unit .............................................................................................................................. 218

7.7.2

Field settings: Outdoor unit ........................................................................................................................... 221

193

198

RXJ20~50A + FTXJ-A(W)(S)(B)

Split Emura 3 R32

ESIE22-04B - 2022.08

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