Technical Information

Contens
TCGB0079 rev.0 - 01/2013
vi
9.3.2 Pipe connection ........................................................................................................................................... 120
9.3.3 Insulation ..................................................................................................................................................... 120
9.4 Refrigerant charge amount..................................................................................................................121
9.4.1 Refrigerant charge before shipment (W0 (kg)) ............................................................................................ 121
9.4.2 Calculation method for the additional refrigerant charge ............................................................................. 121
9.5 Caution in case of refrigerant leakage.................................................................................................124
9.5.1 Maximum permitted concentration of hydrouorocarbon (HFC) ................................................................. 124
9.5.2 Calculation of refrigerant concentration ....................................................................................................... 124
9.5.3 Countermeasure for refrigerant leakage ..................................................................................................... 124
9.6 Compatibility with the piping of current where R22 or R407C is used. ............................................... 125
9.6.1 Installation procedure for existing pipes ...................................................................................................... 125
9.6.2 When existing Air-Conditioner is a product of another manufacturer .......................................................... 125
9.6.3 Permissible range for existing Air-Conditioning Pipes
(Pipe length in the case of “without cleaning process”. ......................................................................................... 126
9.6.4 Renewal kit selection model ........................................................................................................................ 127
10. Electrical wiring ..................................................................................................... 131
10.1 General information .............................................................................................................................132
10.1.1 General notes ............................................................................................................................................ 132
10.1.2 General verications .................................................................................................................................. 132
10.2 DIP and RSW switches settings .........................................................................................................134
10.3 Common wiring ...................................................................................................................................138
10.3.1 Electrical wiring between outdoor and indoor unit ..................................................................................... 138
10.3.2 Wire size .................................................................................................................................................... 139
10.4 H-LINK II system .................................................................................................................................140
10.4.1 Features .................................................................................................................................................... 140
10.4.2 Specications ............................................................................................................................................ 140
10.4.3 DIP Switch setting for 2, 3 and 4 indoor units systems ............................................................................. 141
10.4.4 Examples of the system of connection between H-LINK and H-LINK II units ........................................... 142
10.4.5 Examples of H-LINK II system .................................................................................................................. 143
10.5 System Control ....................................................................................................................................145
10.5.1 Individual Operation .................................................................................................................................. 145
10.5.2 Simultaneous Operation ............................................................................................................................ 146
11. Troubleshooting ..................................................................................................... 147
11.1 On-screen displays during abnormal operation...................................................................................148
11.1.1 PC-ARF Troubleshooting help menu ......................................................................................................... 148
11.2 Alarm codes ........................................................................................................................................150
TCGB0079_rev0_11-2012.indb 6 29/01/2013 14:26:27