Hitachi YUTAKI S80 Series Technical Catalogue page 123

10. Electrical wiring
DSW4/RSW1: Refrigerant cycle setting (No change)
Setting for tens
(second digit)
Rotary switches' positions (RSW1) are set by inserting a screw driver into the groove.
DSW5: Transmission setting of end terminal resistance
Before shipment, No. 1 pin of DSW5 is set at ON.
Setting before shipment
DSW6: Power source setting/individual operation

Jumpers
Jumper lead setting (JP1~6)
Setting before shipment:

LED's indication
LED1
LED2
LED3
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TCGB0075 rev.0 - 11/2012
Setting position (DSW4)
Function
Function
230V
(setting before shipment)
400V
(setting before shipment)
JP1 JP2 JP3
1 0 0
0 = Open; 1 = Short circuit
LED Indication
This LED indicates the transmission status between the
Red
indoor unit and the RCS
This LED indicates the transmission status between the
Yellow
indoor unit and the outdoor unit
Green Power source for the PCB
Setting position (RSW1)
Setting for units
(first digit)
Setting position
Setting position
(4/5/6)HP
JP4 JP5 JP6
1 1 1
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