Hitachi PC-ARF Technical Catalogue page 367

5 Centralised remote controls
PSC-A32MN

Group register
N O T E
This function is detailed in section "Test run" since it is a required item when performing the Test run procedure.

Optional Function Setting
This function is used for setting and changing the selection of air conditioner and central station functions listed in the
following table. Set by Monitor
Function
Set "Fixing Operation Mode" to "Enable" to fix the present operation mode.
Fixing Opera-
The operation mode is fixed to the present settings, which cannot be changed from the remote control switch or
tion Mode
from the central station.
Fixing Tempera-
Set "Fixing Temperature Setting" to "Enable" to fix the present set temperature.
ture
The setting temperature is fixed to the present settings, which cannot be changed from the remote control switch
or from the central station.
Setting
Set "Cooling Only" to "Enable" to fix the operation mode to cooling. This function is used when setting heat pump
models to restricted operation in cooling only.
Cooling Only
Operation modes "HEAT" and "AUTO" cannot be selected from the remote control switch or from the central sta-
tion.
Set "Auto" to "Enable" to use the cooling/heating automatic operation. It is possible to set this mode from the re-
mote control switch and from the central station.
Auto However, "AUTO" cannot be selected in the following cases:
* When connected to a cooling-only model.
* When the "Cooling Only" function is enabled.
Set "Fixing Fan Speed" to "Enable" to fix the fan speed.
Fixing Fan
The fan speed is fixed to the present settings, which cannot be changed from the remote control switch or from
Speed
the central station.
This function is used for switching the control mode of the central station between "Normal" and "Run/Stop Only"
*Normal:
The settings of each group are displayed when tapping its button. This is the control mode by default.
Control Mode
*Run/Stop Only:
The control mode at "Monitor 1" and "Monitor 2" is changed to "Run and Stop" for each group only. Tapping the
button of each groups has the effect of switching its operation on and off, without changing any of the settings.
This function allows to switch the colour of the RUN lamp between green and red. When an error occurs, the
RUN Indicator
indicator flashes on and off regardless of the colour setting.
All Groups Auto- Set to "Enable" in order to begin operation from All Groups display. If a central station is not operated for a given
matic Switching time, the screen returns automatically from Block display to All Groups display.
Set to "Enable" in order to set the prohibition of all remote control operation (all the items) together with a stop
order to the remote control at the OFF time of the schedule function of the controller.
OFF time Re-
In this case, the prohibition of all remote control operation (all the items) is cancelled at the ON time, but there is
mote control
no operation order.
prohibition
This function cannot be set when there is a prohibition of remote control operation (for individual items). Set this
function to "Disab." in such cases.
Display graph
Set to "Disable" in order to display the graphs for operation time or Thermo ON time without numeric values.
values
Thermo ON
Set to "Enable" in order to display Thermo ON time in the operation time display.
time display
N O T E
• When setting optional functions (Air conditioner or remote control settings), please set the same optional functions at the remote con-
trol of the group which has been set. Also, in case of setting optional functions at the remote control which can also be set from the
controller (** fixed, automatic cooling/heating), please set the same optional functions from the controller as well.
• For groups in which operation mode has been fixed by optional function settings and the demand of external input/output settings has
been set to operation mode shift, demand signal ON results in stop regardless of the operation mode.
351
TCGB0106 rev.0 - 12/2014
Menu Service Menu Optional Function Setting.
Description
5