Mitsubishi Electronics PAC-YG31CDA User Manual download pdf (Page 7)

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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Mitsubishi Electronics PAC-YG31CDA User Manual Page 7