Maintenance Notes - Hitachi RCI-1.0FSR Service Manual

9 Maintenance notes

Index
9.1 Regular equipment maintenance ........................................................................................................ 288
9.1.1 Necessary tools, equipment and consumable for regular maintenance ...................................................... 288
9.2 Indoor cleaning .................................................................................................................................... 289
9.2.1 Cleaning the built-in 4-way indoor unit RCI(M) ............................................................................................ 289
9.2.2 Cleaning the built-in 2-way indoor unit (RCD) ............................................................................................. 292
9.2.3 Cleaning of the wall-type indoor unit (RPK) ................................................................................................ 294
9.2.4 Cleaning the floor console and floor concealed console indoor unit RPF(I) ................................................ 295
9.2.5 Cleaning of the ceiling-type indoor unit (RPC) ............................................................................................ 296
9.3 Cleaning of KPI units ........................................................................................................................... 299
9.4 Econofresh kit...................................................................................................................................... 301
9.5 Collection of refrigerant to replace the indoor unit............................................................................... 301
9.6 Cleaning agents for heat exchanger ................................................................................................... 302
9.6.1 Recommended specifications of cleaning agents for aluminium fins .......................................................... 302
9.6.2 Particularities and benefits .......................................................................................................................... 302
9.6.3 To consider .................................................................................................................................................. 302
287 SMGB0137 rev.0 - 05/2021
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M a i n t e n a n c e n o t e s
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