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Option Setting; Changing To Option Setting Mode - Hitachi PSC-A64S Installation And Operation Manual

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5. Setting Procedure
Depress the "RUN/STOP" switch and the selected
group is set with demand control, and the " " and
"DEMAND" indications appear.
In the case where there is one or more group with
demand setting in the zone, the " " indication of
zone turns ON.
(Every time the "RUN/STOP" switch is depressed,
the demand control is set and canceled alternately.)
6.

OPTION SETTING

6.1. CHANGING TO OPTION SETTING MODE

Changing to Option Setting Mode
1. Depress the "CHECK" switch for more than 3 seconds while all the groups are stopped. The
central station is changed to the option setting mode and the "CHECK" indication appears, and
"1" (Master Unit Setting Mode) is indicated on the 7-segment for check.
ATTENTION:
When there is a group in operation, the central station can not be changed to the check
mode.
2. Depress the "CHECK" switch and change the indication of the 7-segment.
7-Segment
A
b
c
d
E
3. Depress the "RESET" switch and the central station is changed to the normal mode.
OPTION SETTING
" " and "SET" Indications: ON
(The demand control is set.)
Function
Fixing Operation Mode
Fixing Setting Temperature
Fixing Cooling Only
Fixing Air Flow
Auto COOL / HEAT
17

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