Hitachi RCI-1.0FSN3 Service Manual page 227

6 Optional functions
• Difference of over 1.5 degrees.
• Do not use a mercury thermostat.
• The remote control must remain connected to the unit. When the power supply is reconnected, start the unit by pressing
the on button. The compressor will then run under the control of the field-supplied thermostat. All other functions are
controlled in the normal manner via the remote control.
Function 1: remote on/off of the unit
On-screen display: 03.
This is an optional on/off signal that uses the signal levels ON and OFF. Connect the wiring and use the materials as
indicated in Available ports.
N O T E
When the unit is started using the remote ON/OFF switch, the fan speed depends on the mode stored in the remote
control.
N O T E
• The collection of signals during the first 10 seconds after
connecting the power supply is not available due to com-
ponent initialisation.
• Operation priority is given to the remote on/off signal or to
the remote control, whichever is transmitted last.
Function 2: remote switching on of the unit (pulse signal input)
On-screen display: 04.
This is an optional remote on/off signal that uses the pulse signal.
Connect the wiring and use the materials as indicated in Available ports.
Function 2: remote switching off of the unit (pulse signal input)
On-screen display: 05.
This is an optional remote off signal that uses the pulse signal.
Connect the wiring and use the materials as indicated in Available ports.
A time chart with the uses of functions 04/05 is shown below.
N O T E
The collection of signals during the first 10 seconds after
connecting the power supply is not available due to compo-
nent initialisation.
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SMGB0077 rev.0 - 01/2013
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