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3 restrictions – MITSUBISHI ELECTRIC PAC-YG31CDA User Manual

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2.3 Restrictions

The following restrictions apply to the BACnet IF program.

(1) System configuration limits

Number of units

Note

G-50A

Max. 10 units

G-50A Ver. 2.50 or higher

Indoor unit

Max. 50 units/G-50A

Max. 500 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

Checking the G-50A version

Check the centralized controller G-50A version. Update if it is not the applicable version.


Method 1: Using the initialization tool

The version can be monitored from the Basic Setting window.

Method 2: Using the G-50A main unit

Press

the

[↑][↓] buttons for two seconds or longer to open the Initialization Mode

Menu window. Then[ ]button to open the second menu window. The version will
appear at the lower right.

* If the integrated centralized control software TG-2000A has already been installed, the
G-50A version can be confirmed with Operation Manual TG-2000A.


Updating the G-50A

Update by the Update Program CD (for G-50A).

(2) Correspondence at the time of abnormalities

For the period under reboot of PC, failure of G-50A, etc., neither each control nor a function may operate

normally.



(3) Operation at the time of a power failure

If a power failure occurs, the power supply of a PC will also fall.

When the power restores, it is necessary to turn on and start a power switch again.
Use of UPS is recommended in the place where a power supply state is unstable.


(4) Function

description

The function/specifications may partially change and improvements may be made without any

notice.


Note:

The BACnet license number must be registered in each central controller G-50A to use this software
BACnet IF.

Make sure that the license number corresponding to use is registered in the central controller G-50A.

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