Hitachi PC-LH3A Manual De Instalación Y Funcionamiento página 11

OPERATION & INSTALLATION MANUAL FOR PC-LH3A
4) Set the rotary switches (RSW) on the printed circuit boards in the electrical box of each indoor
unit as shown in the figure below.
No. 0 No. 1
Unit Unit
Rotary
switch
Setting
No. 8 No. 9 No. 10
Unit Unit
Rotary
switch
Setting
ATTENTION:
In case that the setting of the rotary switch is not performed correctly, an abnormal operation
(irregular run/stop) may occur when test running or actual operation.
5) Check the Number of Indoor Units Connected
Check the number of indoor units connected when test running.
* The 7-segment indication of the receiver part shows the number of the indoor units connected
in case that the test running is performed by the controller. However, the number can not be
indicated for some models. In such a case, check the number by the wired controller
PC-P1HE.
No. 2 No. 3 No. 4 No. 5
Unit Unit Unit Unit
No. 11 No. 12 No. 13
Unit Unit Unit Unit
7
No. 6 No. 7
Unit Unit
No. 14 No. 15
Unit Unit