Hitachi PC-ARF Technical Catalogue page 397

5 Centralised remote controls
PSC-A64S
Procedure of slave unit setting
a. Screen Change for slave 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. When "1" (master unit setting mode) is
turns ON at the 7-segment indicator for checking, depress the "CHECK" switch again,
and then the checking indication is changed to "2" (slave unit setting mode).
b. 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.
C A U T I O N
A. Ref. Nº with no indoor unit connected and I.U. Add. not connected are not indicated.
B. When the selected unit is already set as slave unit, the zone and the group Nº indication "" of the unit and "SET" indication appear.
C. The indoor unit already set as the master unit is not indicated.
c. Select of Zone to be set.
Depress the "ZONE" switch, and the flickering indication of zone Nº is changed in
order as shown below.
i. * The zone, in which there is no group with the master unit already set, is not
indicated.
d. Select of Group to be set
Depress the "GROUP"  switch, and the flickering indication of group Nº is
changed in order as shown below.
i. * The group, in which the master unit is not set, is not indicated.
e. Setting Procedure
Depress the "RUN/STOP" switch after selecting zone and group, the slave unit is
set.
The "SET" indicator and the "" indicator of group turn ON.
f. Perform the slave unit setting procedure "b" to "e" for each group and zone.
g. After completion of the slave unit setting, change the mode to the standard state by
depressing "RESET" switch
C A U T I O N
• Up to 15 slave units can be set in one group (Max. 16 units (including the master unit) in one group).
• For changing the setting of slave unit to another group, cancel the present slave unit setting and perform the setting for another group.
• In case that all the units are set as the master unit, the central station can not be changed to the slave unit setting mode.
• When there is any group in operation (with "RUN" indicator ON), the "CHECK" mode is not available.
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TCGB0106 rev.0 - 12/2014
The above figure shows the
case of selecting Ref. Nº. "1"
and I. U. Add. "2".
The above figure shows the
case of selecting Zone "2".
The above figure shows the
case of selecting Zone "2"
and group "2"
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