Optional Signal Configuration - Hitachi RCI-1.0FSN3 Service Manual

6 Optional functions

6.1.2 Optional signal configuration

The following tables describe the optional signals available on indoor units. Optional signals are configured using the
remote control, except for RPK-(0.8-4.0)FSN3M units in which they are configured using the DIP switches.
Optional input 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 Input signal
Not set
00
Control by
01
room thermostat (cooling)
Control by
02
room thermostat (heating)
Function 1: remote on/off of
03
the unit (by contact)
Function 2: unit on (by
04
pulse)
210
SMGB0077 rev.0 - 01/2013
Application
Not set
This signal controls the
unit through an external
thermostat.
field-supplied
N O T E
It can reduce summer
cooling problems in
certain applications
This signal controls the
unit through an external
thermostat.
field-supplied
N O T E
It can reduce problems
caused by indoor air
stratification.
This signal controls the
starting and stopping of
the system from a remote
location.
N O T E
It is extremely practical
in hotels and offices
to control the indoor
units from the building
management system.
This signal controls the
starting of the system from
a remote location.
N O T E
It is extremely practical
in hotels and offices
to control the indoor
units from the building
management system.
Remote control screen (input signal) Port
CN3
CN3
CN3
CN3
CN3