Setting Of Dip Switches - Hitachi air Core 700 Operation Installation Maintenance Manual

10. Common
•
Use a shielded cable for the transmitting circuit and connect it to ground.
•
In the case that power cables are connected in series, add each unit maximum current and select
wires below.
※ 1 In the case that current exceeds 63A, do not connect cables in series.

10.2 Setting of Dip Switches

(1) Position of Dip Switches
(2) The PCB in the indoor unit is equipped with 1 rotary switch and 6 dip switches. Before testing the
unit, set these dip switches according to the following instructions. These dip switches need to be set
in order to operate the unit.
(a) Unit No. Setting, Low Air Volume Setting (DSW6)
Setting is required.
(b) Regional Identification(DSW6(4th digit), RWS1)
(c) Unit Mode Code Setting (DSW4)
No setting is required.
Setting the model code of
the indoor unit.
Current i (A)
i≤6
6<i≤10
10<i≤16
16<i≤25
25<i≤32
32<i≤40
40<i≤63
63<i
DSW4
DSW9
DSW5 DSW6 DSW3
DSW6 (1st , 2nd digit) Unit number setting
Set the position
Set the position
Before delivery, the 1st and 2nd digit of
DSW6 are set to "0".
No.1 Unit
No.2 Unit
DSW6 (4th digit)
Set the position
1 2 3 4 5 6
Before delivery, DSW6 and RSW1 are set according to the
regional requirement. When the a er-sales replacing
PCBs, DSW6 and RSW1 should be set according to the
regional requirement.
-20-
2
Wire Size (mm )
2.5
2.5
2.5
4
6
10
16
※1
DSW7
ON
OFF
1 2 3 4 5 6
No.4 Unit
No.3 Unit
RSW1 (units digit)
Insert a flat head screw
driver into the set
Set the position
position in the trench
ON
OFF
air volume setting
DSW6 (6th digit) Low
Set the position
ON
OFF
1 2 3 4 5 6
Before delivery, the 6th digit of DSW6 is
set to "0". Set the 6th digit of DSW6 to"1"
when setting low air volume.
ANZ
DSW6
1 2 3 4 5 6
Set No. 4 to OFF
RSW1
Set to "0"
ON
OFF