Hitachi FS3 Series, Service Manual

Page: 227 / 240

4
OPTIONAL FUNCTION
27
4.6.2.
SYSTEM
&
CAUTION:
The following functions by the Central Station are not
available. Therefore, special attention to the following is
required when designing your systems.
1. Fan speed setting of each indoor unit is not available.
2. Setting of the automatic swing louver is not available
(only for indoor units with the automatic swing louver).
3. Resetting of “FILTER” of each remote control switch is
not available.
4. The Central Station does not indicate alarm codes.
5. No “FILTER” indication on the Central Station is available
6. No checking function on systems is available.
7. Unit number setting of each indoor unit is not available.
n
System of up to 16 units
st
n
Setting of Rotary Switches
Set the unit number of all the units using the rotary switch
(DSW1) of indoor unit PCB.
$
WARNING:
Do not set the same indoor unit number in the same
refrigeration cycle.
If the same number exists, an alarm code of 35
appears.
Always start from no. 1 for the main indoor unit
Unit nº 0 Unit nº 1 Unit nº 2 Unit nº 3
Unit nº 4 Unit nº 5 Unit nº 6 Unit nº 7
Unit nº 8 Unit nº 9 Unit nº 10 Unit nº 11
Unit nº 12 Unit nº 13 Unit nº 14 Unit nº 15
Note: The above setting is same with the setting when the
remote control switch (PC-2H2) is used.
Remote Control Switch Cable
Central Station
(PSC-3S1)
Connector
Number
Control Cables
(2 Wires)
DSW1
2
nd
Unit
16
nd
Unit
No. 1
No. 2
No. 0
1
st
Unit