5.1 Overall sound level ................................................................................................................................... 86

5.1.1 Outdoor unit ................................................................................................................................................... 87

5.1.2 Indoor unit ..................................................................................................................................................... 89

6. Working range .............................................................................................................. 91

6.1 Temperature range ................................................................................................................................... 92

6.1.1 Heating mode ................................................................................................................................................ 92

6.1.2 Cooling mode ................................................................................................................................................ 93

7. General dimensions ..................................................................................................... 95

7.1 Dimensions ...............................................................................................................................................96

7.1.1 Indoor unit ..................................................................................................................................................... 96

7.1.2 Outdoor unit ................................................................................................................................................... 98

7.1.3 Domestic Hot Water Tank ............................................................................................................................ 102

7.2 Service space ......................................................................................................................................... 104

7.2.1 Indoor unit ................................................................................................................................................... 104

7.2.2 Outdoor unit ................................................................................................................................................. 104

8. Refrigerant cycle ........................................................................................................ 105

8.1 RAS-2HVRN2 + RWM-2.0(H)FSN3E combination ................................................................................. 106

8.2 RAS-3HVRNME-AF + RWM-3.0(H)FSN3E combination ....................................................................... 107

8.3 RAS-(4-6)H(V)RNME-AF + RWM-(4.0-6.0)(H)FSN3E combination ....................................................... 108

8.4 RAS-(8/10)HRNME-AF + RWM-(8.0/10.0)(H)FSN3E combination ........................................................ 109

9. Piping work and refrigerant charge .......................................................................... 111

9.1 Refrigerant piping ................................................................................................................................... 112

9.1.1 Refrigerant piping length ..............................................................................................................................112

9.1.2 Refrigerant piping size ..................................................................................................................................112

9.2 Copper pipes, measurements and connection ....................................................................................... 113

9.2.1 Copper pipes and measurements ................................................................................................................113

9.2.2 Pipe connection ............................................................................................................................................114

9.3 Refrigerant charge amount ..................................................................................................................... 114

9.4 Precautions in the event of gas refrigerant leaks.................................................................................... 115

9.4.1 Maximum permitted concentration of HFCs .................................................................................................115

9.4.2 Calculation of refrigerant concentration ........................................................................................................115

9.4.3 Countermeasure in the event of refrigerant leakage ....................................................................................116

VII

TCGB0070 rev.3 - 04/2012

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