Hitachi PC-ARF Technical Catalogue page 74

4 Individual remote controls
4.2.7. Maintenance and repair ........................................................................................................................... 145
4.2.7.1. Abnormal transmission between the remote control and indoor unit .................................... 145
4.2.7.2. Troubleshooting procedure for units connected to the remote control .................................. 145
4.2.7.3. Troubleshooting on check mode ........................................................................................... 146
4.2.7.4. Checking procedure for each main component ..................................................................... 154
4.2.7.5. Remote control self-checking procedure ............................................................................... 157
4.3. PC-ARH............................................................................................................................................... 159
4.3.1. Safety summary ...................................................................................................................................... 159
4.3.2. Installation ............................................................................................................................................... 160
4.3.2.1. Installation site selection ....................................................................................................... 160
4.3.2.2. Components list ..................................................................................................................... 160
4.3.2.3. Description of the parts ......................................................................................................... 160
4.3.2.4. Dimension data ..................................................................................................................... 161
4.3.2.5. Installation space ................................................................................................................... 161
4.3.2.6. Installation procedure ............................................................................................................ 161
4.3.3. Electrical wiring ........................................................................................................................................ 164
4.3.3.1. Standard electrical connection .............................................................................................. 164
4.3.3.2. Electrical connection for multiple units .................................................................................. 164
4.3.4. Checking procedure ................................................................................................................................ 165
4.3.5. Operation ................................................................................................................................................. 166
4.3.6. Optional Functions ................................................................................................................................... 166
4.3.6.1. Command functions .............................................................................................................. 166
4.3.6.2.
4.3.6.3. Remote Control Optional Functions ...................................................................................... 168
4.3.7. Alarm indication ....................................................................................................................................... 170
4.4. PC-LH3(A/B) ....................................................................................................................................... 171
4.4.1. Safety summary ...................................................................................................................................... 171
4.4.2. Installation ............................................................................................................................................... 171
4.4.2.1. Components list ..................................................................................................................... 171
4.4.2.2. Description of the parts ......................................................................................................... 172
4.4.2.3. Dimension data ..................................................................................................................... 173
4.4.2.4. Installation space ................................................................................................................... 173
4.4.2.5. Batteries setting ..................................................................................................................... 173
4.4.2.6. Installation procedure ............................................................................................................ 174
4.4.3. Checking procedure ................................................................................................................................ 174
4.4.4. Operation ................................................................................................................................................. 176
4.4.4.1. Basic operation ...................................................................................................................... 176
4.4.4.2. Operation Mode (Cooling, Heating, Dry, Automatic Cooling/Heating and Fan Operation) .... 177
4.4.4.3. Setting method ...................................................................................................................... 178
4.4.4.4. Automatic Cooling/Heating Operation ................................................................................... 180
4.4.4.5. Timer Setting Method ............................................................................................................ 181
4.4.4.6. Sending commands from remote controller .......................................................................... 182
4.4.4.7. Identifying of indoor units installed side by side .................................................................... 183
4.4.4.8. Simultaneous operation of multiple indoor units .................................................................... 184
58
TCGB0106 rev.0 - 12/2014
Optional functions list ........................................................................................................... 167