7 SERVICE FUNCTIONS

MSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NA MSZ-A24NA

MSY-A15NA MSY-A17NA MSY-A24NA

7-1. TIMER SHORT MODE

For service, set time can be shortened by short circuit of JPG and JPS the indoor electronic control P.C. board. The time will be shortened as follows. (Refer to 8-7.)

Set time : 1-minute 1-second

Set time : 3-minute 3-second (It takes 3 minutes for the compressor to start operation. However, the starting time is shortened by short circuit-of JPG and JPS.)

7-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION

A maximum of 4 indoor units with wireless remote controllers can be used in a room.

In this case, to operate each indoor unit individually by each remote controller, P.C. boards of remote controller must be modified according to the number of the indoor unit.

How to modify the remote controller P.C. board

Remove batteries before modification.

The board has a print as shown below :

 

NOTE : For modification, take out

 

the batteries and press

 

the OPERATE/STOP(ON/

 

OFF)button twice or 3

 

times at first.

 

After finish modification,

J1 J2

put back the batteries then

press the RESET button.

The P.C. board has the print “J1” and “J2”. Solder “J1” and “J2” according to the number of indoor unit as shown in Table 1. After modification, press the RESET button.

Table 1

 

1 unit operation

2 units operation

3 units operation

4 units operation

No. 1 unit

No modification

Same as at left

Same as at left

Same as at left

No. 2 unit

—

Solder J1

Same as at left

Same as at left

No. 3 unit

—

—

Solder J2

Same as at left

No. 4 unit

—

—

—

Solder both J1 and J2

How to set the remote controller exclusively for particular indoor unit

After you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remote controller for the indoor unit.

The indoor unit will only accept the signal from the remote controller that has been assigned to the indoor unit once they are set.

The setting will be cancelled if the breaker has turned off, or the power supply has shut down. Please conduct the above setting once again after the power has restored.

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Logitech OB450 REVISED EDITION-B Service Functions, Timer Short Mode, P.C. Board Modification for Individual Operation
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MSZ-A09NA, OB450 REVISED EDITION-B specifications

The Logitech MSZ-A09NA, OB450 Revised Edition-B stands as a testament to professional-grade technology, designed for both home and office productivity. This advanced device combines functionality with sleek design, making it an essential tool for users demanding efficiency and performance.

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In summary, the Logitech MSZ-A09NA, OB450 Revised Edition-B excels in providing a blend of comfort, customization, and connectivity. Its thoughtful design and advanced technology make it an exceptional choice for anyone looking to enhance their computing experience. Whether for professional work, gaming, or everyday tasks, this mouse is equipped to meet the demands of modern users, offering both reliability and style.
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