Cancellation Of Commands From Rcs After Forced Stoppage (3); Remote Cooling / Heating Mode Change Over (4) - Hitachi FSG1 Series Technical Catalogue

AVAILABLE OPTIONAL FUNCTIONS
10
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10.2.2. CANCELLATION OF COMMANDS FROM
RCS AFTER FORCED STOPPAGE (3).
This function provides a control to stop the system and lock
Remote Control Switch automatically from a remote place
by using level signal.
?
NOTE:
The previous indications and specifications on
required components shown in the above subchapter
are applied to this device too.
This option cannot be used with "Remote Control 1"
and "Remote Cooling/Heating Mode Change Over"
functions.
After switch off 1&2 of CN4, unit is maintained stopped
and remote control switch is available.
The basic wiring and the time chart are shown below.
Turn off the power source before cut the jumper JP2 of
Indoor Unit PCB
JP1
Indoor Unit PCB
3P
Connector
Time Chart:
ON
Signal to
OFF
2 & 3 of CN4
Control by R.C.S
ON
Unit
OFF
Operation
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NOTE:
Picking up signal within 10 seconds after power supply
is turned ON is not available due to initializing of
components.
JP2
SS3: Forced Stoppage Sw.
Power
Source
Control Circuit
Time
10.2.3. REMOTE COOLING / HEATING MODE
CHANGE OVER (4)
The operation Mode of the unit can be changed from
Heating to Cooling and back by using a Remote Position.
The operation mode is followed by the field supplied switch
or the remote control switch, which is used last.
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NOTE:
This option is only available for Heat Pump models
Previous indications and specifications on required
components showed in the above subchapter are
applied to this device too.
This function cannot be used together with "Remote
Control 2" and "Cancellation of commands from RCS
after forced Stoppage".
Wiring Diagram Example of Remote Control 3:
Indoor Unit PCB
3P Connector
Time Chart:
Signal to 1 & 2
Heat
of CN4 Cool
Control by R.C.S (Heat)
Control by R.C.S (Cool)
Operation mode Heat
Cool
of Unit
?
NOTE:
Picking up signal within 10 seconds after power supply
is turned ON is not available due to initializing of
components.
HEAT COOL
Power
Source
Control Circuit
Time