Input Setting; Remote Control On/Off Function - Hitachi DXF-2.0A1 Operation Installation Maintenance Manual

6.4 Input Setting
The setting procedure is different depending on the wired controller type. Please refer to Technical Manual for
each wired controller before use.
6.4.1 Remote Control ON/OFF Function
This function provides a control to stop and start the system from a remote place. Four methods are available
by using each signal from a building management system.
The factory-setting is as follows; "Remote Control 1" Signal Input to
"Cancellation of Commands from Wired controller after Forced Stoppage" Signal Input to
In case of using other functions, change the contact setting.
(1) Remote Control ON/OFF Function 1 (Level signal Input) (Setting indication 03)
This is an ON/OFF function from a remote place by using level signal (or ON/OFF). The basic wiring,
time chart are shown below.
(In Case of "Remote Control 1" Signal Input to
Terminal board 2
Terminal block 2
COM
Signal to
Control by R.C.S
NOTE:
NOTE:
Operation priority is given to the remote
ON/OFF signal or wired controller signal
Operation priority is given to the remote ON/OFF signal or
wired controller signal which is given last.
which is given last.
NOTES:
1. Picking up signal is not available for 10 seconds after turning ON power supply due to initialization of
components.
Do not change the signal (RUN/STOP) in this period.
2. Wired controller is required for this function.
26
NOTE:
NOTE:
When the unit is started by the remote ON/OFF switch,
When the unit is started by the remote ON/OFF switch, the
the fan speed is subject to the mode memorized in
fan speed s subject to the mode memorized in the wired
the wired controller.
controller.
X1
Wiring diagram example of remote control 1
Wiring Diagram Example of Remote Control 1
ON
Signal to
OFF
Control by RCS
ON
Unit Operation
Unit operation
OFF
, and
)
SS3: remote control ON/OFF
SS3: Remote Control ON/OFF
SS3
X1
Control Circuit
Control circuit
Press the RUN/STOP switch.
Press the RUN/STOP switch
Time Chart
Time chart
.
Power
Power
Source
source
Time
Time
P5417151-rev.1