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Electrical wiring
9.3 DIP SWITCH SETTINGS
9.3.1 Quantity and location of Dip Switches
Dips switches are located in printed circuit boards of control box, as it is shown below:
C A U T I O N
Before setting DIP 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.
PCB1 settings
DSW3: Capacity code setting
No setting is required. This DIP switch is used to set the capacity
code corresponding to the DX-Interface power (HP).
HP
2.0
Factory setting
1 2 3 4
HP
5.0
Factory setting
1 2 3 4
DSW4: Unit model code setting and optional setting
No setting is required.
Factory setting
Enabled EC fan motor alarm by tach input
(Set pin 4 to ON position)
DSW5 and RSW2: Refrigerant cycle no. setting
Setting is required. This switch is used to set the refrigerant cycle
number.
Refrigerant cycle
DSW5
number example
00
(Factory setting)
1 2 3 4 5 6
16
1 2 3 4 5 6
15
PMML0243A rev.3 - 12/2014
DX-Interface EXV-(2.0-10.0)E1: Control box
PCB1
2.5
3.0
4.0
1 2 3 4
1 2 3 4
1 2 3 4
6.0
8.0
10.0
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
RSW2
+
DSW6 and RSW1: Unit no. setting
Set DSW6 and RSW1 to modify the indoor unit address. The
setting must be made so that it does not overlap the setting of
other indoor units in the same refrigerant cycle. If the setting is not
made manually, the automatic address function will be enable.
Set to a value of up to 63.
Unit number
DSW6
example
00
(Factory setting)
1 2 3 4 5 6
06
1 2 3 4 5 6
DSW7 switch: Fuse recovery
No setting is required.
Factory setting
Fuse recovery (*1)
N O T E
•
(*1): In case of applying high voltage to the terminals 1 and 2
of control connection (items 17 and 18 of TB2) the fuse on the
PCB1 is cut. In such a case, firstly correct the wiring to TB1
and then turn ON the pin 1.
•
The mark indicates position of dips switches. Figures show
setting before shipment or after selection.
PCB2
RSW1
+
1 2
1 2
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