Hitachi FSG1 Series Technical Catalogue page 181

10.1.3. CANCELLATION OF COMMANDS FROM
REMOTE CONTROL SWITCH AFTER
FORCED STOPPAGE $
By using the signal from a building management system, the
air conditioners can be stopped and the individual
commands from the remote control switch are canceled.
The basic wiring and time chart are shown below. The
required parts are shown in item 10.1.1
(In case of "Cancellation of Commands from remote control
Switch after forced stoppage function 06" input to #2 and #3
of CN3).
Time Chart:
ON
Signal to 1
OFF
& 2 of CN3
Control by R.C.S
ON
Unit
OFF
Operation
?
NOTE:
Picking up signal within 10 seconds after power supply
is turned ON is not available due to initializing of
components.
At this function, the B contact can be used by the optional
setting of the remote control switch. The time chart when
using the B contact is shown below.
See item 10.3 Optional Function of RCS "Cb" for more
details of contacts A & B.
ON
Signal to 1
OFF
& 2 of CN3
Control by R.C.S
ON
Unit
OFF
Operation
?
NOTE:
Picking up signal within 10 seconds after power supply
is turned ON is not available due to initializing of
components.
$
$ $
Power
Source
Time
•
Time
AVAILABLE OPTIONAL FUNCTIONS
10.1.4. COOLING OR HEATING OPERATION
MODE SETTING %
By utilizing this function, the cooling or heating operation
mode can be changed by giving a contact signal from the
outside to the unit. The operation mode is followed by the
field-supplied switch or the remote control switch, which is
used last.
(In case of "Cooling or Heating Operation mode Setting
Change by External Input " Signal input to #1 and #2 of CN3
Time Chart:
Signal to 1 HEAT
COOL
& 2 of CN3
Control by R.C.S
(Heat
Control by R.C.S
(Cool)
HEAT
Unit
COOL
Operation
10
/5
%
% %
HEAT COOL
Power
Source
Time