Wiring; Grounding - Toshiba LF620 B Series Instruction Manual

5.4 Wiring

 Do not wire cables and replace parts when
power is supplied.
DON'T

5.4.1 Grounding

(1) Grounding the LF620*B type
Ground as shown in Figure 5.3. Make the grounding wire as short as possible. Use grounding wire
LF620*B
material of IV wire 5.5mm
grounding current may flow. (An independent grounding is preferable.)
• If the piping material is conductive, connect
the grounding wires to the both ends of the
piping flange.
CAUTION
Wiring work and replacing
parts in the power-on state
may cause electric shock.
2
or more. Do not share grounding wire with other instruments where
Grounding terminal
Grounding wire
• If the piping material is non-conductive, perform
grounding resistance 100Ω or less.
Figure 5.3 Grounding the LF620*B Type
－ 26 －
 Do not work on piping and wiring with wet hands.
Wet hands may result in electric
shock.
DON'T
6 F 8 A 0 9 9 7
Piping of non-conductive material
Example: Resin or metal piping whose
inside is resin-lined, etc.