-13-
Danger of dust
Be sure site is free from dust.
Sucking in of dust can cause failure.
Av o i d d u s t
Danger of unbalance
Be sure to install on solid and level floor (less than 5° inclination).
Uneven installation can cause failure and movement of vacuum pump. If installation
floor is unstable, fix pump base with 4-
φ
11 holes of pump leg (ISP-250C) or 4-M10 tap
section pump base (ISP-500C).
I n s t a l l o n a
s o l i d , l e v e l f l o o r
Danger of overheating
Install where equipment is not exposed to direct sunlight.
Vacuum pump exposed to direct sunlight can overheat, resulting in failure.
Av o i d d i r e c t
s u n l i g h t
Important
When building vacuum pump into vacuum system, pay attention to space for maintenance,
ambient temperature and piping.
If you have any questions, contact the dealer who sold it to you or us.
3.1 Wiring
WARNING
Danger of short-circuit and electric shock
Ask a qualified electrician to perform electric wiring.
If not, short-circuit or electric shock can cause fire or bodily injury.
Ask qualified
electrician
Danger of electric shock and entanglement
Be sure to turn off electric source on building site before wiring.
If not, it can cause electric shock or bodily injury due to turning objects.
Turn off electric
source
Danger of accident, fire and failure
Be sure to install protective device to protect circuitry. We recommend
overcurrent protective device (rated 15A for ISP-250C and rated 15A for ISP-500C
(rated 20A 100/115V/1phase)) to protect branch circuit.
If equipment is not stopped in an emergency, it can cause accident, fire or failure.
Install overcurrent
protective device
Danger of accident, fire or failure
Be sure to install an electric source emergency stop switch (or protective device
that can urgently stop).
If equipment is not stopped in an emergency, it can cause accident, fire or failure.
Install emergency
stop switch
Danger of fire and electric shock
Install short circuit protective device.
If not, it can cause bodily injury due to fire or electric shock.
Install short circuit
protective device
less than 5°
inclination
M10 tap section