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Mitsubishi Electric E Series Data Book page 78

Air cooled chilling unit
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5. Wiring Design
(D) System leader unit, Group leader unit and Sub unit (2 groups, 3 units in each group)
A
(1) Setting address 1
1) Turn off the power.
2) System leader unit (Address 1 SW2-2, 2-3: ON)
3) Turn the power back on.
Address 1 → LED display [EEEE]
Address 51 → LED display [9999]
4) Setting the number of units for each group
SWU3: 1
Press ENTER once.
SW1: 1, 2, 3, 4, 8, 10 ON
Address 1 → LED display [1]
Press UP twice.
Address 1 → LED display [3]
Press ENTER once.
SW1 OFF
*The default setting for the number of units in a group is 1.
The maximum number of units per group is 6.
5) Setting the number of groups
SWU3: 1
Press ENTER once.
SW1: 5, 8, 10 ON
Address 1 → LED display [1]
Press UP twice.
Address 1 → LED display [2]
Press ENTER once.
SW1 OFF
*The default setting for the number of units in a group is 1.
The maximum number of units per group is 24.
MEES19K040
Address [1/51]
System leader unit
B
RA
RB
Remote
controller
Address [4/54]
Group leader unit
A
B
Address [2/52]
Sub unit
M1
M2
M1
Address [5/55]
Sub unit
M1
M2
M1
(2) Setting address 4
6) Turn off the power.
7) Group leader unit (SW2-2: ON)
8) Turn the power back on.
Address 4 → LED display [EEEE]
Address 54 → LED display [9999]
9) Setting the number of units for each group
SWU3: 1
Press ENTER once.
SW1: 1, 2, 3, 4, 8, 10 ON
Address 4 → LED display [1]
Press UP twice.
Address 4 → LED display [3]
Press ENTER once.
SW1 OFF
*No group number settings are required for address 4 (Group leader unit).
10) SWU3: Press and hold F and ENTER for 5 seconds.
(Initializes the system)
Address 4 → LED display [9999]
Address 54 → LED display [9999]
Start-up process complete
Address 4 → LED display [9999]
Address 54 → LED display [____||_|]
(3) Setting address 1 (second time)
11) SWU3: Press and hold F and ENTER for 5 seconds.
(Initializes the system. System leader unit initialized last)
Address 1 → LED display [9999]
Address 51 → LED display [9999]
Start-up process complete
Address 1 → LED display [____||_|]
Address 51 → LED display [____||_|]
12) SWU3: 0
*No settings are required for any address other than for addresses 1 and 4.
Address [3/53]
Sub unit
M2
M1
M2
Address [6/56]
Sub unit
M2
M1
M2
77

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