EDUS39-605
Control Devices
Controls
45
2.
Switch for Setting Each Address (DS1)
The following switches are used to set group control address:
Group Numbers 1-00 through 1-15 are in the same control group when the unit is shipped from the factory.
After setting, attach the number seal applicable to respective control range of the attached switch display sticker, as
shown in the diagram below.
Example:
In The Case of 1-00 to 1-15, Attach
N
.
3. MAIN/SUB Changeover Switch Setting
With two unified ON/OFF controllers, centralized control for indoor units is possible from different locations. In this
kind of setup, it is necessary to set the MAIN/SUB changeover switch.
One of the two unified ON/OFF controllers (1) is set to MAIN while the other (2) is set to SUB.
4. Setting of the Sequential Operation Function
The unified ON/OFF controller is equipped with a sequential operation function that sequentially turns indoor units on
in 2-second intervals during unified operation. Sequential operation is factory set to
ON
. To switch sequential
operation
ON
or
OFF
, set as shown in the following diagram:
Note:
The sequential operation function is designed to reduce the load on the power supply equipment, but does not guarantee
that compressors will not be started simultaneously. You cannot count on a capacity reduction when selecting equipment
breakers.
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