Hitachi PC-ARF Technical Catalogue page 399

5 Centralised remote controls
PSC-A64S
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Setting target selection and monitoring operation status
The central station can control up to 64 groups by each group, each zone or simultaneously .
(The selected setting target can be operated and the unit operation status can be monitored.)
C A U T I O N
• When changing the zone Nº by depressing the "ZONE" switch, the zone, which is not set as group, is not indicated.
• The group number is changed by depressing the "GROUP" switch. The group without group setting is not indicated.
Preparation 1
Supply power to the unit.
C A U T I O N
A. Supply power to the unit more than 6 hours before unit operation for compressor protection.
B. Do not cut off power during the term of using air conditioner.
Preparation 2
After the preparation for air conditioner operation is completed, turn ON the power supply of
the central station.
1 Depress the "ZONE" switch.
Every time the "ZONE" switch is depressed, the zone and group Nº. to be controlled is
changed in the order as shown below:
When the zone is changed, the setting target group is AA (All Groups) initially. For exam-
ple, depressing "ZONE" switch when the setting target is 1-02, the indication is changed
to 2-AA.
2 Depress the "GROUP" switch.
Every time the "GROUP" switch is depressed, the zone and group Nº. to be controlled is
changed in the order as shown below. In case of "AA", all the units are controlled simul-
taneously.
383
TCGB0106 rev.0 - 12/2014
The setting target zone and
group Nº. Is indicated on the
liquid crystal display.
Zone Nº is changed. (ex. In
case of All group in Zone 3)
Only Zone Nº Already Set are
indicated.
Group Nº is changed.
(ex. In case of selecting
Zone 3, group 5)
Only Group Nos already set
are indicated.
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