Hitachi RCIM-0.4FSRE Installations- Und Betriebshandbuch Seite 57

ELECTRICAL WIRING
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DSW6 and RSW2: Unit number setting
The indoor unit number of all indoor units are not required. The
indoor unit number are set by the auto-address function. If the
indoor unit number setting is required, set the unit number of
all indoor units respectively and serially by following setting
position. It is recommended to assign a number to each indoor
unit from "1". Though maximum 64 indoor units per refrigerant
cycle can be connected to H-LINK ll System, available numbers
range from 0 to 63. Therefore, the applicable number for the
64th indoor unit shall be "0".
For the centralized control, this setting is required.
Indication
0
DSW6 (tens digit)
ON
1 2 3 4 5 6
Before shipment, DSW6 and RSW2 are set at "0".
In case of using H-LINK II: Max. 64 cycles (Number 0~63)
In case of using H-LINK I: Max. 16 cycles (Number 0~15)
Example setting number 16
DSW6
1 2 3 4 5 6
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DSW3: Capacity code setting
No setting is required, due to setting before shipment. This
switch is utilized for setting the capacity code which corresponds
to the horse power of the indoor unit.
HP 0.4
ON
Setting position
1 2 3 4 5 6
HP 0.8
ON
Setting position
1 2 3 4 5 6
HP 1.5
ON
Setting position
1 2 3 4 5 6
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DSW4: Unit model code setting
No setting is required. This switch is utilized for setting the
model code which corresponds to the indoor unit type.
Indoor unit model
RCIM
21 PMML0550 rev.0 - 12/2020
Use flathead driver
RSW2 (units digit)
0
RSW2
0
0.6
ON
1 2 3 4 5 6
1.0
ON
1 2 3 4 5 6
2.0 2.5
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
DSW4 setting
ON
1 2 3 4
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DSW5 and RSW1: Refrigerant cycle number
setting
Setting is required. Setting position before shipment is all OFF.
DSW5 (tens digit)
ON
1 2 3 4 5 6
Before shipment, DSW5 and RSW1 are set at "0".
In case of using H-LINK II: Max. 64 cycles (Number 0~63)
In case of using H-LINK I: Max. 16 cycles (Number 0~15)
Example setting number 5
DSW5
1 2 3 4 5 6
All pins are OFF
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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 and 2 of TB2, the fuse (0.5A) on the PCB is
cut. In such a case, firstly reconnect the wirings
correctly to TB2 and then turn on number 1 pin.
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DSW9: Optional function setting
No setting is required.
Setting positions before shipment are all OFF
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N O T E
• The mark " " indicates position of dips switches. Figures show
setting before shipment or after selection.
• Turn OFF all the power supply of the indoor unit and the outdoor unit
before dip switch setting. If not, the setting is invalid.
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Recording unit number and refrigerant cycle
number
After unit number setting (DSW6 & RSW2) and refrigerant
cycle number setting (DSW5 & RSW1), make sure to record
each setting on the label attached to the electrical box cover.
Recording these information is useful for maintenance.
RSW1 (units digit)
0
RSW1
0
Fix to 5
ON
1 2
ON
1 2