7. INITIAL SETTING
7-1
Settings in the field
Follow the instructions below to set the DIP switches as necessary.
WARNING
Electric shock hazard! Before performing work, be sure to disconnect any power source con-
nected to the unit.
Procedure
1. Disconnect the power source.
2. Set the DIP switches (DS1, DS2) for the corresponding branch ports based on the following table.
3.
Once work is complete, be sure to close the control box cover.
ON
OFF
ON
OFF
1
A1P
A3P
2 3 4
1 2
DS1
DS2
3 4
A B C D
I
J K L
..................
..........
.......... ..........
A
B
C
D
I
J
K
L
Piping branch port number
Terminal No. to which to
connect transmission
wiring
DIP switch
<Setting>
1. Setting for branch ports to which no indoor unit is connected
Setting
Setting for branch ports to which no indoor unit is connected
(Example 1)
(Example 1)
When not connecting the
indoor unit to the A and B
branch circuits
ON
OFF 1 2
DS1 (A1P)
3 4
DIP switch setting
ON (Not connected)
OFF (Factory default)
DIP switch No.
DS1
(A1P)
DS1
(A2P)
DS1
(A3P)
1
2
3
4
1
2
3
4
1
2
3
4
BS4Q54TVJ
Target branch port
Unit A
Unit B
Unit C
Unit D
BS6Q54TVJ
Unit E
Unit F
BS8Q54TVJ
Unit G
Unit H
BS10Q54TVJ
Unit I
Unit J
BS12Q54TVJ
Unit K
Unit L
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3P405106-9 English
01_EN_3P405106-9.indb 17
3/27/2015 1:53:13 PM