Hitachi P-G23WA2 - Dip Switch Settings; Capacity Code Setting (DSW3); Unit Number Setting (RSW)

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ELECTRICAL WIRING
5.3. SETTINGS OF DIP SWITCHES
 Quantity and Position of Dip Switches
Dips switches position is the following:
 CAUTION:
Before setting dips switches, firstly turn off power
source and set the position of the dips switches. If the
switches are set without turning off the power source,
the contents of the setting are invalid.

RSW: Unit No. Setting
Setting is required. Set the unit No. of all indoor units
respectively and serially, by following setting position
shown in the table below. Numbering must start from “1” for
every indoor unit.
Main Unit 1 st. unit 2 nd. unit 3 rd. unit
4 th. unit 5 th. unit 6 th. unit 7 th. unit
8 th. unit 9 th. unit 10 th. unit 11 th. unit
12 th. unit 13 th. unit 14 th. unit 15 th. unit
 DSW3: Capacity Code Setting
No setting is required, due to setting before shipment. This
dip switch is utilized for setting the capacity code which
corresponds to the Horse Power of the indoor unit.
HP 0.8 1.0 1.3 1.5
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
1.8 2 2.3 2.5
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
2.8 3 3.5 4
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
5 6
Setting Position
ON
1 2 3 4
ON
1 2 3 4
 DSW5: Refrigerant Cycle No. Setting
Setting is required. Setting position before shipment is all
OFF (Refrigerant cycle No. 0)
HP 0 1 2 3
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
4 5 6 7
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
8 9 10 11
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
12 13 14 15
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
 DSW7: Fuse Recover
No setting is required, due to setting before shipment.
Setting position before shipment is all OFF.
In case of applying high voltage to the terminal
1,2 of TB2, the fuse (0.5) on the PCB1(M) is cut.
In such a case, firstly correct the wiring to TB2
and then turn ON #1 (as showing beside)
ON
1 2
 DSW8: (Not used)
No setting is required, due to setting before shipment.
Setting position before shipment is all OFF.
NOTE:
- The mark ““ indicates position of dips switches.
Figures show setting before shipment or after
selection.
Setting position
Set by inserting a
screwdriver into the
groove.
RSW
DSW7 DSW3 DSW5
DSW8