Maintenance and Inspection
8-15
How to Remove or Install the Control-Circuit Terminal Board
The control-circuit terminal board can be removed and installed without disconnecting the cables.
Removal
1. Remove the digital operator and the front cover. The main cover does not need to be removed.
2. Remove the connectors and the lines connected to the FE and NC pins on the control-circuit terminal
board.
Always make sure that the charge indicator LED is completely out before removing or installing the control-
circuit terminal board.
Digital operator
Front cover
Terminal cover
Main cover
FE NC
Terminal board for
control circuit
r2
s2
t2
p1
n1
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
(1)
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