To set the schedule operation "available" or "not available" by the signal from the control timer in
case of connection with the control timer (PSC-A1T; Option).
The schedule operation can be set "available" or "not available" individually for each unit, however,
the operation schedule is all the same.
1. Depress the "ZONE" switch and the "GROUP"
switch and select the setting target.
(Refer to item 2 of "A. Setting Target Selection and
Monitoring Unit Operation Status" in page 18.)
2. Depress the "TIMER" switch. Every time the
"TIMER" switch is depressed, the "TIMER"
indication is turned ON and OFF alternately. The
group with timer setting is operated according to
setting schedule by the signal from the control
The above indications show the case of setting operation mode for "ZONE 3, GROUP 6"
The same setting procedure shall be performed for other groups.
9.5. OTHER LCD INDICATIONS
Indication in Normal Conditions
The "EMERGENCY" is indicated when the emergency
stop signal is input by the outside input function.
During the emergency stoppage, indoor units are
stopped and the operation by the remote control switch
is not available.
Contact your distributor or dealer of HITACHI for
The above figure shows the case of selecting
"ZONE 3, GROUP 6".
The above figure shows the case of "ZONE 3,
GROUP 6" setting timer operation.