Mitsubishi Electric City Multi PUMY-P250YBM Installation Manual page 27

6. Electrical work
6.5. Address setting
Switch address setting
Unit
Outdoor
Address
Switch
tens ones
digit digit
SWU2 SWU1
range 51 - 100
• 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).
SW1
Branch address +
setting
Port
50
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.
Ex 1. Outdoor + Branch <1> (Indoor A, B, C, D, E) + Branch <2> (Indoor A, B, C) + Branch <3> (Indoor A, B, C)
Branch box <1>
address (01) *2
SW1-1, 2, 3, 4, 5 ON
Outdoor
address
(51) *1
Branch box <2>
address (06) *3
SW1-1, 2, 3 ON
SW1-4, 5
Branch box <3>
address (09) *4
SW1-1, 2, 3 ON
SW1-4, 5
Address
tens ones
digit digit
SW12 SW11
1 - 50
1 2 3 4 5
ON ON ON ON ON
A B C D E
01 (SW11, 12)
02 03 04 05 (sequential numbers)
(01) = A-port
M series Indoor
(02) = B-port
M series Indoor
(03) = C-port
M series Indoor
(04) = D-port
M series Indoor
(05) = E-port
M series Indoor
OFF
(06) = A-port
M series Indoor
(07) = B-port
M series Indoor
(08) = C-port
M series Indoor
OFF
(09) = A-port
M series Indoor
(10) = B-port
M series Indoor
(11) = C-port
M series Indoor
Branch box
Connection Setting
ON
OFF
1 2
SW1
• Specify whether indoor units are connected to
each port (A, B, C, D, and E).
SW1 Port
1 A disconnected
2 B disconnected
3 C disconnected
4 D disconnected
5 E disconnected
6 not use
*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> highest 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
*4 Branch box <3>
Branch box <3> start address
= Branch box <2> highest address + 1
= 08 + 1 = 09
A-port address = Start address = 09
B-port address = Start address + 1 = 10
C-port address = Start address + 2 = 11
Indoor
None
3 4 5 6
–
OFF ON
There are no ad-
connected
dress settings for
connected
the indoor units.
connected
connected
connected
–
en
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