Switch Setting - Mitsubishi Electric PAC-MK50BC Installationshandbuch

8. Electrical work

8.3. Switch setting

Dip switch setting (Effective only before turning on the power)
SW1
ON
OFF
1 2 3 4 5 6
SW4
Address switch (Effective only before turning on the power)
ON
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)
Indoor Unit A Address 5
Indoor Unit C Address 6
Indoor Unit E Address 7
1
SW4 SW12 SW11
Address setting
Address setting
1s DIGIT
10ths DIGIT
Indoor Unit A
Indoor Unit B
Indoor Unit C
Indoor Unit D
Indoor Unit E
Unassigned
SW1
Switch OFF
SW1-1 No
SW1- No
SW1-3 No
SW1-4 No
SW1-5 No
SW1-6
ON
Yes
Yes
Yes
Yes
Yes