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2.3 Restrictions
The following restrictions apply to the TG-2000A application.
(1) System configuration limits
Number of units Notes
G-50A Max. 40 units G-50A Ver. 2.10 or higher
Indoor unit Max. 50 units/G-50A Max. 2000 units (including all IC, KIC, AIC, LC, and FU)
[Symbol]IC: Indoor unit, LC: LOSSNAY, FU: OA processing unit, AIC: “A” controller,
KIC: “K” controller
(2) Group setting restrictions
Item Restrictions Note
Remote controls 2 per group * Other remote controls besides M-NET
type will not work
Number of indoor units
connected to a group
1 to 16 * IC, AIC, KIC, or LC cannot be used
within the same group. It is not pos-
sible for group settings to span G-50A
Number of SC and RC
connected to a group
4 per group * The number of G-50A is not included
Groups per floor Max. 50 groups per floor Up to 50A groups can be displayed on
one floor of the whole building window.
*1 The ME remote controller and MA remote controller cannot be used together for the same group.
*2 Set the same function unit for the group.
[Symbol]SC: System controller, RC: Remote controller
(3) Block setting
• The block comes in two types, operation block and charge block.
• The operation block is an aggregate of groups, and it is possible to set a different model group
for the same operation block.
• The charge block consists of an aggregate of operation blocks.
(4) Notes on using K control models
When using a K transmission converter (model name: PAC-SC25KA, PAC-SC25KAA(-E)) to manage K
control models, take note of the following. See the documentation provided with the K transmission
converter for more detail.
• The address of the K transmission converter will be the smallest address of the K control model +
200.
• Set the K control model addresses so that they are larger than the M transmission model
addresses.
• When setting a group containing K control models, make the group number the same as the
smallest unit address in the group.
(5) Notes on using A control mode
• Use the A/M NET Adapter (model name: PAC-SF48MA(-E)). Set the group to “Group with only
A control”.
(6) Countermeasure when an error occurs
• Note that each control or function may not operate properly when rebooting (*1) or when a fault
occurs in the centralized Controller G-50A. Since each error is displayed when it occurs, it is
recommended to solve the faults quickly.
*1 Indicates that the system is restarting.
Group
Block for operation
Block for charging