Input/Output Function - Hitachi PSC-5S Installation And Operation Manual

2. Changing to Demand Setting Mode
Depress the "CHECK" switch and change the 7-segment indication for check to "5" (Demand
Setting Mode). The LCD indication of the central station is as shown below.
"5" shows the demand setting mode.
Only the group with the master unit
already set is indicated. The group to be
set is flickered.
3. Selection of Group To Be Set
Select the group to be set by depressing the "GROUP" switch. The flickering indication of group
number is moved every time the "GROUP" switch is depressed.
The Ref. No. and I.U. Add. of the indoor unit set as main unit of the selected group to be set are
indicated. The " " indication appears at the group already set with demand control, and the
"DEMAND" indication appears.
4. Setting Procedure
Depress the "RUN/STOP" switch and the selected group is set with demand control, and the " "
and "DEMAND" indications appear.
(Every time the "RUN/STOP" switch is depressed, the demand control is set and canceled
alternately.)

INPUT/OUTPUT FUNCTION

Ref. No. of Indoor Unit Set as
Master Unit of Group To Be Set
The group already set with demand control is
indicated.
( is ON: Demand is set. / is OFF: Demand
is not set.)
The flickering indication of group number is
moved (ex. When selecting group No.3).
" " and "SET" Indications: ON
(The demand control is set.)
Address of Indoor Unit Set as Master
Unit of Group To Be Set
When the "CHECK" indication
appears, the central station is in the
check mode.
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