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Mitsubishi Electric E Series Data Book page 70

Air cooled chilling unit
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5. Wiring Design
Setting the switches on the system leader unit
Make sure the address of the MAIN circuit on the
main module is set to "1" (labeled A in the figure
at right) and that the address of the SUB circuit on
the main module is set to "51" (labeled B in the
figure at right).
The address of each SUB circuit should equal the
sum of the MAIN circuit address on the same
module and 50.
Setting the switches on the group leader unit and the sub unit
MAIN circuit
(1) Set the MAIN circuit addresses with the rotary switches. (labeled A in the figure). Set the 10's digit with SWU1, and
set the 1's digit with SWU2. Assign sequential addresses to the MAIN circuit on all sub modules starting with 2.
SUB circuit
(2) Set the SUB circuit addresses with the rotary switches (labeled B in the figure). Set the 10's digit with SWU1, and
set the 1's digit with SWU2. Assign sequential addresses to the SUB circuit on all sub modules starting with 52.
(3) Set the M-NET power supply.
When connecting a system leader unit and a group leader unit to a multiple units connection system, the connector
connected to CN41 on the MAIN circuit board (Address 1) must be disconnected and then connected to CN40.
*Leave the connector connected to CN41 when using an AE-200 as the centralized controller.
CN41→CN40
ON
1
2
3
4
5
6
7
8
9 10
MEES19K040
MAIN circuit board
Address 1
Move the connector from CN41 to CN40.
CN41
The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF.
LED1
OFF ON
OFF ON
OFF ON
SWU1 SWU2
SWU3
1
1
1
2
2
2
3
3
3
4
4
4
UP
SWP1
5
5
5
6
6
6
7
7
7
SWP3
8
8
8
9
9
9
10
10
10
SWP2 ENTER
SW3
SW2
SW1
DOWN
A
All addresses other than Address 1
Leave the connector connected to CN41.
Connector
CN40
SUB circuit board
LED1
OFF ON
OFF ON
SWU1 SWU2
SWU3
1
1
2
2
3
3
4
4
UP
SWP1
5
5
6
6
7
7
SWP3
8
8
9
9
10
10
SWP2 ENTER
SW3
SW2
DOWN
B
Connector
CN41
CN40
OFF ON
1
2
3
4
5
6
7
8
9
10
SW1
69

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