4. OPTIONAL FUNCTION .............................................................................................................................. 4-1
4.1 Indoor Unit
(For RPF(I)-FSG(E), RPK-FSGM(6), RPC-FSG1 (Before Alteration) and RPI (8, 10HP) Series) .... 4-1
4.1.1 Remote Control ON/OFF Function ............................................................................................... 4-1
4.1.2 Power Supply ON/OFF 1 (Automatic Operation When Power Supply ON).................................. 4-5
4.1.3 Power Supply ON/OFF 2 (Restarting Function After Power Failure) ............................................ 4-5
4.1.4 Control by Field-Supplied Room Thermostat ............................................................................... 4-6
4.1.5 Operation Control by Remote Temperature Sensor (Except for RPK-FSGM Series) .................. 4-7
4.1.6 Cooling or Heating Operation Mode Setting Change by External Input (Level Signal Input) ....... 4-7
4.1.7 Picking Up Operation Signal......................................................................................................... 4-8
4.2 Indoor Unit (For RPI (0.8 to 5.0HP), RCI, RCD, RPC (After Alteration) and KPI Series) ................... 4-11
4.2.1 Input and Output Setting of Indoor PCB Connector ..................................................................... 4-11
4.2.2 Remote Control Thermistor Function............................................................................................ 4-13
4.2.3 Remote Control ON/OFF Function ............................................................................................... 4-14
4.2.4 Power Supply ON/OFF 1 (Automatic Operation When Power Supply ON).................................. 4-18
4.2.5 Power Supply ON/OFF 2 (Restarting Function After Power Failure) ............................................ 4-18
4.2.6 Control by Field-Supplied Room Thermostat (Except for KPI Series) .......................................... 4-19
4.2.7 Operation Control by Remote Temperature Sensor (Except for KPI Series) ................................ 4-20
4.2.8 Cooling or Heating Operation Mode Setting Change by External Input (Except for KPI Series).. 4-20
4.2.9 Precooling/Preheating Operation (KPI Series Only)..................................................................... 4-21
4.2.10 Picking Up Operation Signal ......................................................................................................... 4-21
4.3 Outdoor Unit....................................................................................................................................... 4-25
4.3.1 Demand ........................................................................................................................................ 4-27
4.3.2 Forced Stoppage .......................................................................................................................... 4-27
4.3.3 Demand Current Control (Only for 24 and 30HP) ........................................................................ 4-28
4.3.4 Fixing Operation Mode ................................................................................................................. 4-28
4.3.5 Snow Sensor ................................................................................................................................ 4-29
4.3.6 Defrosting Condition Changeover ................................................................................................ 4-30
4.3.7 Indoor Fan Control during Thermo-OFF at Heating ..................................................................... 4-30
4.3.8 All Season Heating Operation ...................................................................................................... 4-31
4.3.9 All Season Cooling Operation ...................................................................................................... 4-31
4.3.10 Night Shift (Low Sound) Operation ................................................................................................ 4-32
4.3.11 Picking Up Signals from Outdoor Unit Printed Circuit Board ........................................................ 4-33
4.4 Remote Control Switch, PC-P1H and PC-2H2 .................................................................................. 4-35
4.4.1 Name of Part ................................................................................................................................ 4-35
4.4.2 Simultaneous Operation ............................................................................................................... 4-36
4.4.3 Operation System with Two Remote Control Switches ................................................................ 4-38
4.4.4 Optional Function Setting ............................................................................................................. 4-40
4.4.5 Optional Functions of Remote Control Switch .............................................................................. 4-43
4.4.6 Indication of Address (ADDS) and Refrigerant Cycle Number (RN) ............................................. 4-47
4.5 Wireless Remote Control Switch, PC-LH3......................................................................................... 4-48
4.5.1 Name of Part ................................................................................................................................ 4-48
4.5.2 Identifying of Indoor Units Installed Side By Side ......................................................................... 4-49
4.5.3 Simultaneous Operation ............................................................................................................... 4-50
4.5.4 Emergency Operation................................................................................................................... 4-52
4.5.5 Optional Function Setting (In Case of PC-RLH4, PC-RLH5 and PC-RLH7) ................................ 4-53
4.5.6 Optional Functions of Wireless Remote Control Switch ............................................................... 4-54
4.6 7-Day Timer, PSC-5T ......................................................................................................................... 4-55
4.7 Central Station, PSC-5S .................................................................................................................... 4-56
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