Mitsubishi Electric PAC-MK50BC Installation Manual page 12

Air-conditioners indispensable optional parts branch box

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Technical and service manual (28 pages)

Table Of Contents

Table of Contents

8. Electrical work

8.3. Switch setting

Dip switch setting (Effective only before turning on the power)

SW1

OFF

1 2 3 4 5 6

SW4

Address switch (Effective only before turning on the power)

Actual indoor unit address setting varies in different systems. Refer to the installation manual for the outdoor unit for details on how to make the address setting.

OFF

Each address is set with a combination of the settings for the 10ths digit and 1s digit.

1 2 3 4 5 6

7 8 9 10

(Example)

• When setting the address to "3", set the 1s digit to 3, and the 10ths digit to 0.

• When setting the address to "5", set the 1s digit to 5, and the 10ths digit to .

(Example)

• When setting the address of the branch BOX to "3", an address is assigned to each indoor unit starting with Unit A as shown below no matter if each indoor unit is con-

nected. (SW1-1~5 ON)

Indoor Unit A

Address 3

Indoor Unit B

Address 4

Indoor Unit C

Address 5

Indoor Unit D

Address 6

Indoor Unit E

Address 7

• When the address is set to "5" and also 3 indoor units (Unit A, Unit C, and Unit E) are connected. (SW1-1, 1-3, 1-5 ON)