Grounding - Toshiba LF654 Instruction Manual

4.4 Grounding

Do not wire cables and replace parts
when power is supplied.
Wiring work and replacing
parts in the power-on state
DON'T may cause electric shock.
(1) Grounding of the LF654/LF620F type
Ground as shown in Figure 4.11. Make the grounding wire as short as possible. Use grounding
LF620F
wire material of IV wire 5.5mm
instruments where grounding current may flow. (An independent grounding is preferable.)
Grounding terminal
• If the piping material is conductive, connect
the grounding wires to the both ends of the
piping flange.
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CAUTION
2
Conductive material pipe
Example: Metal, etc.
grounding resistance
100Ω or less
Figure 4.11 Grounding the LF654/LF620F Type
− ２３ −
Do not work on piping and wiring with wet hands.
Wet hands may result in electric shock.
DON'T
or more. Do not share a grounding wire with other
Piping of non-conductive material
Example: Resin or metal piping whose
inside is resin-lined, etc.
Grounding wire
• If the piping material is non-conductive, perform
grounding (grounding resistance 100Ω or less).
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