Operation Procedure; Setting Target Selection And Monitoring Operation Status - Hitachi PSC-A64S Installation And Operation Manual

OPERATION PROCEDURE

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9.
OPERATION PROCEDURE

9.1. 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.)
•
ATTENTION:
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.
•
ATTENTION:
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 example, 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
simultaneously.
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)
os
Only Group N already set are indicated.