䠉㻌
13
㻌 䠉
14. Reset procedure for trip operation
(1)
Confirm content indication on LED when trip occurs.(Refer to page 8)
(2)
Confirm if machine, connection and power supply have any abnormal.
(3)
If there is anything abnormal, remove its roots and set to right situation.
(4)
In case holding relay output, push Check/Reset button or turn off Shock
relay.
(5)
After confirming (1), (2), (3) and (4), restart the machine.
15.
In the case of the maintenance, the check work
Maintenance and check must be performed in accordance with the following
matters.
(1)In the external circuit withstand voltage test, do not apply test voltage on
Shock Relay.
(2)To prevent an accident, keep the surrounding area clean and safe.
(3)Power off before the installation / connection of Shock Relay
(4)Comply with the 2-1-1 General Standard of “Ordinance on Labor Safety and
Hygiene “.
16
䠊
䠊
Daily check
LED lights when Shock Relay is power on.
17
. Periodic check
䠄䠍䠅
Check whether there is any looseness in the installation of the Shock Relay and current
transformer. (Every six months)
䠄䠎䠅
Check relay output function by pressing the TEST button until it trips. (Every six
months)
䠄䠏䠅
Check relay output function by dialing CURRENT knob counterclockwise during motor
operation. (Every six months)
䠄䠐䠅
In the megger test, DC500V needs to be applied on the earth connection and circuit.
䠄䠑䠅
In the external circuit withstand voltage test, do not apply test voltage on Shock Relay.
Same is with CT.
䠄䠒䠅
The typical life span of electrolytic capacitor is about 10 years at an average ambient
temperature of 30
Υ
. It is recommended to overhaul or exchange for a new one before
trouble occurs.
Perform the periodic inspection during trial operation, and when the equipment was moved,
and when the wiring was changed.
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Summary of Contents for TSB020ED
Page 5: ...4 5 Specifications...
