Hitachi RAS-(4-12)HNP(1)(E) - Optional External Input and Output Signals (by 7-Segment Display); Available Ports

6 Optional functions
162
SMGB0087 rev.0 - 12/2013
6.1 Optionalexternalinputandoutputsignals(By7-segmentdisplay)
The system has several input and output signals, which can be selected using the following connectors of the outdoor unit’s
PCB:
- Input connectors CN1 and CN2, which have two and one ports respectively to congure three optional input signals.
- Output connector CN1, which has two ports to congure two optional output signals.
The selection of these input and output signals represent the selection of some optional functions programmed in the PCB
of the outdoor unit.
6.1.1 Available ports
The system has the following input and output ports.
Content
Settingoftheportinthe
PCBoftheindoorunit
Remarks Outlet
Inputs
i1
1-2 of CN1 Contact
i2
2-3 of CN1 Contact
i3
1-2 of CN2 Contact
Outputs
o1
1-2 of CN7 DC 12V
o2
1-3 of CN7 DC 12V

Connection
The system has the following connections:
Inputconnections Outputconnections
Indication Connections Indication Connections
i1
CN1
o1
CN7
i2
CN1
o2
CN7
i3
CN2