Mitsubishi Electric MXZ-8C48NAHZ Mode D'emploi page 15

7. Electrical work
7.6. Address setting
Switch address setting
Unit
Outdoor
Address
Switch
SWU2 SWU1
range 51 - 100
• According to the set address (for example, 01), the ad-
SW1
setting Branch address + 50
Port
Address
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, B, C)
Branch-Box <1>
address (01) *
SW1 1, 2, 3, 4, 5 ON
Outdoor
address
(51) *1
Branch-Box <2>
address (06) *
SW1 1, 2, 3 ON
SW1 4, 5
Ex2. Outdoor + Branch <1> (Indoor A, C, E) + Branch <2> (Indoor A, C, E)
Branch-Box <1>
address (01) *
SW1 1, 3, 5 ON
Outdoor
SW1 2, 4
address
(51) *1
Branch-Box <2>
address (04) *
SW1 1, 3, 5 ON
SW1 2, 4
Address
SW12 SW11
1 - 50
dresses for the connected indoor units are set sequentially
(for example, 02, 03, 04, and 05).
1 2 3 4 5
ON ON ON ON ON
A B C D E
01
02 03 04 05
2
(01) = A-port
Indoor
(02) = B-port
Indoor
(03) = C-port
Indoor
(04) = D-port
Indoor
(05) = E-port
Indoor
3
OFF
(06) = A-port
Indoor
(07) = B-port
Indoor
(08) = C-port
Indoor
2
OFF
(01) = A-port
Indoor
non B-port
(02) = C-port
Indoor
non D-port
(03) = E-port
Indoor
3
OFF
(04) = A-port
Indoor
non B-port
(05) = C-port
Indoor
non D-port
(06) = E-port
Indoor
Branch Box
Port A
ON
OFF 1
• Specify whether indoor units are connected to each
port (A, B, C, D, and E).
SW1
Port
Indoor units are connected ON
(SW11, 12)
Indoor units are not connected OFF
(sequential numbers)
*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
B-port address = Start address + 1 = 07
C-port address = Start address + 2 = 08
*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
Connection Setting
B C D E –
ON: Indoor connect
OFF: No connection
2 3 4 5 6
*
SW1 *SW1-6 not use
–
1 2 3 4 5 (6)
A B C D E (not use)
Indoor
None
–
There are no ad-
dress settings for
the indoor units.
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