Tsubaki SHOCK RELAY TSB2CT Series, Инструкция по эксплуатации

Страница: 10 / 12

9
11. Set up
1) When installing, set the start delay timer (START TIME knob) to the known motor run-up time or the
maximum if the time is not known.
2) Set the trip delay timer (SHOCK TIME knob) to the desired trip time.
3) Set the load current (CURRENT knob) at the rated full load or the desired value.
4) With connections made and control power on, depress the TEST button and hold.
Verify that the red LED illuminates and the internal relay should switch contacts after the sum of start
time and shock time.
5) Start the equipment and notice the run-up time, then slowly turn the CURRENT knob counter
clock-wise until the LED flashes, This indicates 100
％
of the load current.
Set the CURRENT knob to the desired trip setting. A setting of 110
％
of the running current is
commonly used.
6) Reset the START TIME knob to match the normal run-up time.
7) Periodic testing by using the TEST button is suggested to ensure the full protection through preventive
maintenance.
12. Troubleshooting
Symptom Check Result Treatment
Check the operation power supply
wiring.
（
between terminals A1 and A2
）
Incorrect wiring. Wire correctly
Not between 100
～
240VAC. Set the voltage between
100
～
240VAC.
“MON” lamp isn't
turned on.
Measure the voltage of the
operation power supply with a
tester.
（
between terminals A1 and A2
）
Between 100
～
240VAC.
Repair or replace.
Short Set a longer. Just after starting,
the relay begins
operating. Check the value of START TIME.
Long (It is obvious that relay
is operating within the set
time). Repair or replace.
Examine the Current level setting. The Current level setting is
inappropriate. Set to suitable level. The relay output
does not operate.
Examine the SHOCH TIME
setting.
Long. Set a shorter.