2. Installation, Piping, and Wiring
79
TI 11B08A01-01E
l 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 5 (200 V)
Type 2 (100 V), Type 3, Type 4, Type 5 (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 2.22
CAUTION
Use heat-resistant cables with maximum allowable temperature of 80°C or above.
l 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 2.23.
Sep. 07, 2017-00
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