MITSUBISHI ELECTRIC P500YMF-C - Manual (Page 37)

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(2) Attribute display of unit
• At the group registration and the confirmation/deletion of registration/connection information, the type (attribute) of the
unit is displayed with two English characters.
Display Type (Attribute) of unit/controller
Indoor unit connectable to remote controller
Outdoor unit
BC controller (Master)
BC controller (Slave)
Local remote controller
System controller (MJ)
[Description of registration/deletion/retrieval]
• The items of operation to be performed by the remote controller are given below. Please see the relating paragraph for
detail.
1 Group registration of indoor unit
• The group of the indoor units and operating remote controller is registered.
• It is usually used for the group operation of indoor units with different refrigerant system.
2 Retrieval/identification of group registration information of indoor units
• The address of the registered indoor units in group is retrieved (identified).
3 Retrieval/identification of registration information
• The connection information of any unit (indoor/outdoor units, remote controller or the like) is retrieved (identified).
4 Deletion of group registration information of indoor units
• The registration of the indoor units under group registration is released (deleted).
5 Deletion of the address not existing
• This operation is to be conducted when “6607” error (No ACK error) is displayed on the remote controller caused by
the miss setting at test run, or due to the old memory remained at the alteration/modification of the group composi-
tion.
Caution:
When MELANS (MJ-103MTRA for example) is being connected, do not conduct the group/pair registration using
the remote controller. The group/pair registration should be conducted by MELANS. (For detail, refer to the instruc-
tion exclusively prepared for MELANS.)