Identifying Of Indoor Units Installed Side By Side - Hitachi PC-ARF Technical Catalogue

4 Individual remote controls
PC-LH3(A/B)

4.4.4.7 Identifying of indoor units installed side by side

C A U T I O N
Turn OFF the power source completely before performing the dip switch setting for receiver kit. If not, it may cause an electric shock.
In the case that two indoor units are installed side by side, the commands from the wireless remote control switch may be
received by both indoor units. The function, "Identifying of indoor units installed side by side" enables to operate the indi-
vidual unit correctly without interfering other unit's operation. As shown in the right figure, the indoor units of A and B are
set side by side. In this case, the unit B is set as "Identifying indoor units installed side by side".
N O T E
This function must be set at the receiver side. It shall be set according to the installation manual of the receiver kit or the indoor unit.
Setting of identifying of indoor units installed side by side
1 Receiver kit setting: Set number 2 pin of the receiver kit dip switch (DSW1) at the indoor unit B ("Identified" unit) "ON"
side.
2 Press and hold "ON TIME" switch and "OFF TIME" switch of the wireless remote control switch simultaneously for 3
seconds. The "b" is indicated on the liquid crystal display for 3 seconds.
3 When the above procedure (1) is performed, only the identified indoor unit (B unit) operation is available. The indoor
unit A does not correspond to the commands from the identified wireless remote controller.
Cancellation of identifying of indoor units installed side by side
1 Receiver kit setting: Set number 2 pin of the receiver kit dip switch (DSW1) "OFF" side for cancellation.
2 Press the "ON TIME" switch and the "OFF TIME" switch simultaneously for more than 3 seconds. The "A" is indicated
on the liquid crystal display for 3 seconds.
N O T E
This function is required to cancel at the receiver side. It shall be cancelled according to the installation manual of the receiver kit or the
indoor unit.
183
TCGB0106 rev.0 - 12/2014
Indoor
unit A
Receiver
Kit A
"A"
Setting of identified indoor unit
Setting of Identified
Indoor Unit
Cancellation of identified indoor unit
Cancellation of Identified
Indoor Unit
"Identified" Indoor unit
Indoor
unit B
Receiver
Kit B
"b"
"Identified" Wireless remote
control switch
4