Hitachi RCI-1.0FSN3 Service Manual page 224

6 Optional functions
Optional output signals (PC-ART example)
N O T E
If an input signal is set, the on-screen display on the remote control automatically changes to the following.
Indication Output signal
Not set
00
Operation signal
01
Alarm signal
02
Cooling signal
03
Thermo-ON signal during
04
cooling
212
SMGB0077 rev.0 - 01/2013
Application Remote control screen (input signal)
Not set
This signal permanently
controls the status of the
unit.
N O T E
It is extremely useful
for centralised applica-
tions.
This signal enables devices
that protect and indicate
any faults in the unit.
N O T E
It is extremely useful
for rooms in which air
conditioning must re-
main on at all times.
This signal controls the
status of the compressor.
N O T E
It is extremely useful
for controlling the ther-
mostat switched off on
indoor units.
It is extremely useful for
controlling requests by the
indoor unit to enable the
compressor.
Port
• CN7 or
CN8
• Only CN7
for RPK
units
• CN7 or
CN8
• Only CN7
for RPK
units
• CN7 or
CN8
• Only CN7
for RPK
units
• CN7 or
CN8
• Only CN7
for RPK
units
• CN7 or
CN8
• Only CN7
for RPK
units