Logitech OB450 REVISED EDITION-B Manual Do Utilizador

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7
SERVICE FUNCTIONS
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 :
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.
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.
NOTE : For modification, take out 
the batteries and press 
the OPERATE/STOP(ON/
OFF)button twice or 3 
times at first.
 
After finish modification, 
put back the batteries then 
press the RESET button.
J2
J1
MSZ-A09NA   MSZ-A12NA   MSZ-A15NA  MSZ-A17NA   MSZ-A24NA 
MSY-A15NA   MSY-A17NA   MSY-A24NA
Table 1
1 unit operation
2 units operation
3 units operation
4 units operation
No. 1 unit
No modifi cation
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