Miyachi Unitek ISA Series, Руководство оператора

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CHAPTER 1: SYSTEM DESCRIPTION
ISA-4001CR INVERTER POWER SUPPLY
990-364 1-3
CONTROL AND MONITOR UNIT CONNECTOR
–
Used to connect the MA-627A Program Unit and the
MA-628
Monitor Unit
to the Power Supply.
WELD POWER
– Red indicator that lights when power is supplied to the unit.
READY
– Green indicator that lights when system is ready to start welding. For this status to exist, the
following conditions must be met:
x
The
WELD ON/OFF
button must be pressed to ON (The
WELD ON/OFF
indicator is lit).
x
The
WELD ON/OFF
setting of the Program Unit must be On, and
x
The External
WELD ON/OFF
signal must be ON.
START
– Green indicator that lights when Start signal is received.
WELD
– Green indicator that lights when weld current is flowing.
TROUBLE
– Red indicator that lights when trouble is detected. When this condition occurs, the unit
operation is interrupted.
RESET
– This button resets a trouble condition only if the trouble has been corrected . If the trouble is
not removed, the operation will again be interrupted and the
TROUBLE
indicator will again light. After
the RESET button is pressed, the START signal must be re-sent to the Power Supply for welding to
begin.
WELD ON/OFF
– This push-push button enables the unit to weld. When
ON
, the green indicator lights.
When operating the button, the switch needs to be held until the green LED lights (or goes out). This is
one of three conditions required to place the unit in the Ready condition; see "READY," above.
CIRCUIT BREAKER PANEL
– Complete operation of the circuit breaker is described in the separate
circuit breaker manual included inside the ISA-4001CR cabinet.
Internal Components
WARNING
Before opening the doors, disconnect all power to the unit order to prevent electrical shock or
DEATH
. Power is
not
turned OFF when the handle is turned and the door opened. Remove power
from the ISA and wait at least 5 minutes for the capacitors to discharge. Be sure capacitors
are discharged before removing internal protective plastic panel.
To open the cabinet doors, insert the silver key into the lock on the right door and turn to unlock. The
left door is unlocked with a handle inside the door.