Instruction Manual

<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
LN
ELECTRIC
CIRCUIT
LN
HEATER
LN
HEATER
*
LN
ELECTRIC
CIRCUIT
LN
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