Hitachi RCI-1.0FSN3 Installation & Maintenance Manual page 33

(d) Connecting to Wall Type Indoor Unit with Receiver
The transition siring is required when the wall type indoor unit (with receiver) is connected.
Main
(3) The address of indoor unit can not be changed from the remote control switch.
(4) This indoor unit is adopted four (4) steps of fan speed (HIGH 2, HIGH, MED and LOW). When it is
installed with three (3) steps of fan speed type, connect the remote control switch to four (4) steps of
fan speed type. If not, "HIGH 2" will not be indicated and can not be selected.
The remote control switch PC-ARF must be used.
(5) In the case of connecting the centralized controller, the followings are limited.
If they are utilized without following limitations, the operation is not run correctly.
Name
Central Station
Centralized ON/OFF Controller
Centralized Station (EZ)
Centralized Station (DX)
HARC70-P1
HARC-BX
NOTES:
1.The centralized controllers can not be used together.
2."HIGH 2" is not available to be set from the centralized controller.
No Limitation
1
However, for the indoor unit without remote control switch, when the condition is checked on the
centralized controller, the indication is always "Prohibiting Operation by Remote Control Switch" (for
all items).
The indoor unit with remote control switch is required to be set as the main unit in the group.
2
If the setting is wrong, the centralized controller can not control the indoor units in the group.
The transition wiring is required because the centralized controller can not recognize the indoor
3
units without remote control switch.
P5414946-rev.1
TC-12001
Wall Type
Sub
Incorrect
Model
PSC-A64S
PSC-5S
PSC-A16RS
PSC-A64GT
PSC-A128WX
HARC70-P1
HARC-BX
Main
Limited Item
2
1
2
1
3
When the indoor unit which is not connected to the
remote control switch is checked the condition on the
centralized station, the indication is always "Prohibiting
Operation by Remote Control Switch" for all items.
4-WAY CASSETTE
Wall Type
Sub
Correct
29
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