6
4 Caution in Operation
4-1 Caution in Operation
1) It is necessary to clean internal pump when stopped operation in order to maintain the pump
performance.
Have the pump to absorb clean air for 3 - 5 minutes and conduct idling operation.
2) Consult factory in case of special application usage.
4-2 When Thermal Protector Operated
1) When a thermal protector operated, at first turn off the pump power supply (push to
○ side) and
disconnect power cable. Contact ULVAC or local agent. Temperature of the pump is very high at
this time.
Do not touch the pump by hand definitely.
2)
The pump operates automatically when temperature drops. Shut-off the power supply, and
determine the cause of operation of the thermal protector.
3) When the cause of failure was corrected, start operation after confirming the motor temperature is
cooled down.
See "Danger" (1) (2) on P. 04.
See "Warning" (8) (14) (15) (16) on P. 04. 05.
See "Attention" (3) (4) (5) (6) (7) (8) on P 06.07.
See "Caution" (4) (5) (6) (7) (8) on P. 05. 06.
DANGER
WARNING
CAUTION
ATTENTION
See "Caution" (6) on P. 06.
CAUTION
