Hitachi UTOPIA RAS-4HVRP2E - Page 12

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SMGB0136 rev.0 - 07/2021
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11.4 Service and maintenance record using the 7-segment display ...........................................................328
11.4.1 Information of Indoor unit ........................................................................................................................... 330
11.4.2 Information of cause code of alarm ........................................................................................................... 330
11.4.3 Information of cause code of alarm record ................................................................................................ 330
11.5 Service and maintenance table through the remote control switch .....................................................331
11.5.1 RAS-3HVRC2 ............................................................................................................................................ 331
11.5.2 RAS-(4-6)(V)(R/N)(C/P)2E ........................................................................................................................ 333
11.6 Refrigerant collection method..............................................................................................................334
11.6.1 Refrigerant collection method when replacing the parts of outdoor unit .................................................... 334
11.6.2 Refrigerant collection method when replacing indoor unit ......................................................................... 336