Hitachi CENTRAL STATION PSC-A32MN Installations- Und Betriebshandbuch Seite 74

Operation
5.4.1 Group register
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N O T E
This function is detailed in section "5.1 Test run" since it is a required item when performing the Test run procedure.
5.4.2 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 Menu
Function
Set "Fixing Operation Mode" to "Enable" to fix the present operation mode.
Fixing Operation Mode The operation mode is fixed to the present settings, which cannot be changed from the remote control switch or from
the central station.
Set "Fixing Setting Temperature" to "Enable" to fix the present set temperature.
Fixing Setting Temperature The setting temperature is fixed to the present settings, which cannot be changed from the remote control switch or
from the central station.
Set "Cooling Only" to "Enable" to fix the operation mode to cooling. This function is used when setting heat pump
Cooling Only models to restricted operation in cooling only.
Operation modes "HEAT" and "AUTO" cannot be selected from the remote control switch or from the central station.
Set "Auto" to "Enable" to use the cooling/heating automatic operation. It is possible to set this mode from the remote
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 Speed
The fan speed is fixed to the present settings, which cannot be changed from the remote control switch or from 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:
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 Automatic Set to "Enable" in order to begin operation from All Groups display. If a central station is not operated for a given
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 Remote control In this case, the prohibition of all remote control operation (all the items) is cancelled at the ON time, but there is no
prohibition operation order.
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 values Set to "Disable" in order to display the graphs for operation time or Thermo ON time without numeric values.
Thermo ON time display Set to "Enable" in order to display Thermo ON time in the operation time display.
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N O T E
• When setting optional functions (Air conditioner or remote control settings), please set the same optional functions at the remote control 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.
• When the Power ON/OFF (d1, d3) of the optional function is set, DO NOT set the prohibition of the remote control operation. In the case that the
operation of the local remote control is not restricted when using the Power ON/OFF, DO NOT use the lock function of the local remote control.
66 PMML0332A rev.0 - 05/2015
Service Menu Optional Function Setting.
The control mode at "Monitor 1" and "Monitor 2" is changed to "Run and Stop" for each group only. Tapping the
Description