Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 141)

<2. Installation, Piping, and Wiring>
2-24
IM 11B08A01-01E
 Power supply line of the electronics section (A) (B) without the protection
system
N L
HEATER
N
HEATER ELECTRIC
CIRCUIT
L N L
L N L
ELECTRIC
CIRCUIT HEATER
N
Type 1, Type 2 (200 V)
Type 3, Type 2 (100 V)
*: Grounding is possible from any one of the three terminals.
Power supply for electric circuit
and heater
Power supply for heater
Power supply for electric circuit and heater
L N
ELECTRIC
CIRCUIT
L N
HEATER
L N
HEATER
*
L N
ELECTRIC
CIRCUIT
L N
HEATER
*
Figure 2.20
 Grounding (K)
CAUTION
Use independent grounding with a grounding resistance of 100 ohms or less.
Connect the earth terminal to the upper right of the control unit as shown in Figure 2.21.
2nd Edition : May 11, 2012-00