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Procedure Of Master Unit Setting - Hitachi PSC-A64S Installation And Operation Manual

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4.2.2. PROCEDURE OF MASTER UNIT SETTING

a. Screen change for Master Unit Setting keep
depressing the "CHECK" switch for 3 seconds
during all the indoor unit is stopped (with
"RUN" indicator OFF). The "CHECK" indicator
turns ON, and it shows the state is changed to
the CHECK mode. In addition, "1" (master unit
setting mode) is turns ON at the 7-segment
indicator for checking.
b. Select Zone to be set depress the "ZONE"
switch, and the flickering indication of zone Nº
is changed in order as shown below.
c. Select of Group Nº. to be set select the group
to be set by depressing the "GROUP"
switch.The flickering indication of group Nº is
moved in order as shown below every time
the "GROUP" switch depressed.
When the main unit of the selected group is
already set, the Ref. Nº and I.U. Add. of the
main unit already set are indicated and the
"SET" indication appears.
d. Selection of Indoor Unit to be set select the
refrigerant system address and indoor unit
address to set. The refrigerant system
address is changed by depressing " "
(TEMP) switch and the indoor unit address is
changed by depressing " " (TEMP) switch in
order as shown below. In this case, the switch
is kept depressing, and the indication of the
refrigerant system address or the indoor unit
address is fast-forwarded.
GROUP SETTING
The above figure shows the case of selecting Zone "2".
The above figure shows the case of selecting
Zone "2" and group "5".
The above figure shows the case of
selecting Ref. Nº. "3" and I. U. Add. "6".
9

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