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16
7. Electrical work
7.7. Address setting
Switch address setting
Unit
Address
Outdoor
Branch Box
Indoor
Address Connection Setting
Switch
Port A B C D E –
ON
OFF 1 2 3 4 5 6
*
None
ON: Indoor connect
OFF: No connection
tens
digit
ones
digit
tens
digit
ones
digit
SWU2 SWU1 SW12 SW11 SW1 *SW1-6 not use
range 51 - 100 1 - 50 – –
setting
Branch address +
50
• According to the set address (for example, 01), the ad-
dresses for the connected indoor units are set sequentially
(for example, 02, 03, 04, and 05).
• Specify whether indoor units are connected to each
port (A, B, C, D, and E).
There are no ad-
dress settings for
the indoor units.
SW1 1 2 3 4 5
ON ON ON ON ON
Port A B C D E
Address 01 (SW11, 12)
02 03 04 05 (sequential numbers)
SW1 1 2 3 4 5 (6)
Port A B C D E (not use)
Indoor units are connected ON
Indoor units are not connected OFF
Note: 1. Branch box address
When setting the address, use a number within the range 1–50.
Ex. The set address is (47) and there are 5 indoor units (A, B, C, D, and E).
If A: (47), B: (48), C: (49), D: (50), and E: (51), E is incorrect because it exceeds 50.
Ex1. Outdoor + Branch <1> (Indoor A, B, C, D, E) + Branch <2> (Indoor A)
Outdoor
address
(51) *1
*1 Outdoor address
Branch Box <1> start address + 50 = 01 + 50 = 51
*2 Branch Box <1>
A-port address = Start address = 01
B-port address = Start address + 1 = 02
C-port address = Start address + 2 = 03
D-port address = Start address + 3 = 04
E-port address = Start address + 4 = 05
*3 Branch-Box <2>
Branch Box <2> start address
= Branch Box <1> oldest start address + 1
= 05 + 1 = 06
A-port address = Start address = 06
Ex2. Outdoor + Branch <1> (Indoor A, C, E) + Branch <2> (Indoor A, C, E)
Outdoor
address
(51) *1
*1 Outdoor address
Branch Box <1> start address + 50 = 01 + 50 = 51
*2 Branch-Box <1>
A-port address = Start address = 01
B-port address no connection
C-port address = Start address + 1 = 02
D-port address no connection
E-port address = Start address + 2 = 03
*3 Branch-Box <2>
Branch Box <2> start address
= Branch Box <1> oldest start address + 1
= 03 + 1 = 04
A-port address = Start address = 04
B-port address no connection
C-port address = Start address + 1 = 05
D-port address no connection
E-port address = Start address + 2 = 06
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
(01) = A-port
(02) = B-port
(03) = C-port
(04) = D-port
(05) = E-port
(06) = A-port
(01) = A-port
non B-port
(02) = C-port
non D-port
(03) = E-port
(04) = A-port
non B-port
(05) = C-port
non D-port
(06) = E-port
Branch-Box <1>
address (01) *
2
SW1 1, 3, 5 ON
SW1 2, 4 OFF
Branch-Box <2>
address (04) *
3
SW1 1, 3, 5 ON
SW1 2, 4 OFF
Branch-Box <2>
address (06) *
3
SW1 1 ON
SW1 2, 3, 4, 5 OFF
Branch-Box <1>
address (01) *
2
SW1 1, 2, 3, 4, 5 ON
BH79D391L03_EN.indd 16 7/17/2015 1:08:21 PM
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