Mitsubishi Electric AE-200A-50A Instruction Book page 17

Air conditioning control system
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4-2-4. Advanced Setting
4-2-4-1. Time Master/Sub
In the [Time Master] section, select [Master] or [Sub]. The default setting is [Master].
This setting is required to change only for a system with multiple AE-200 controllers. Set to [Master] on only
one of the AE-200 controllers in a system, and set to [Sub] on the rest of the AE-200 controllers. The date and
time synchronization is performed from the AE-200 whose [Time Master] setting is set to [Master] to the AE-200
whose [Time Master] setting is set to [Sub].
Note: When only one AE-200 controller is connected to the system, leave the default setting [Master] as it is.
Note: When multiple AE-50 controllers are connected to the system, leave the default setting [Master] as it is on all AE-50
controllers.
4-2-4-2. Schedule: Season setting
In the [Schedule: Season setting] section, select [Available] to enable the seasonal settings of the weekly
schedules and [Not Available] to disable. Unless otherwise specified, leave the default setting [Available] as it is.
Note: The settings made on this screen on the AE-200 will be reflected on this screen on the AE-50.
4-2-4-3. Hold type
In the [Hold type] section, select [Normal] or [Forced].
The Hold function is a function to disable the operations that were scheduled for air conditioning unit groups.
If the setting for [Hold] is set to [ON] on the Condition List screen of the Web Browser for System Maintenance
Engineer and the [Hold type] on the screen above is set to [Forced], the [Hold] setting can be cancelled only from
the AE-200/AE-50. If the [Hold type] is set to [Normal], the [Hold] setting can be cancelled from AE-200/AE-50,
other system controllers, or remote controllers.
Note: The Hold function can be used on the AE-200A/AE-50A, but not on the AE-200E/AE-50E.
Note: The Hold function cannot be used on general equipments.
Note: The setting [Forced] will not be effective on Air To Water (PWFY) unit groups, LOSSNAY unit groups, and air conditioning
unit groups that do not support the Hold function (i.e., Mr. Slim M-Series/P-Series indoor units).
If the setting for [Hold] is set to [ON] on those unit groups on the Condition List screen and the [Hold type] on the screen
above is set to [Forced], the setting [Normal] will be effective.
4-2-4-4. Old model compatibility mode
In the [Old model compatibility mode] section, select [ON] or [OFF].
When [ON] is selected, the Dual set point function and Prohibit Remote Controller function (Timer, Air Direction,
Fan Speed) cannot be used.
Note: If the setting is changed, the controller will reboot.
WT07138X01
17

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